CN102439355A - Light source device and display device - Google Patents

Abstract

Disclosed are a light source device and a display device capable of preventing stress from occurring in, for example, connectors and a plurality of circuit boards connected by the connectors when the circuit boards are fixed to a supporting body using fasteners. Specifically disclosed is a light source device which comprises a plurality of circuit boards (2) each having light-emitting elements (1) that are mounted on a first surface (2a) thereof and being disposed so as to be remote from each other such that the surfaces thereof are parallel to each other, a supporting body (6) disposed on second surfaces of the plurality of circuit boards (2) so as to support the circuit boards, and connectors (5) electrically connecting two adjacent circuit boards (2). A plurality of insertion holes (2c, 2d) into which fasteners (8) for fixing the circuit boards (2) to the supporting body (6) are fitted are formed in each circuit board (2) so as to be remote from each other. The size of the insertion hole (2c) among the plurality of insertion holes (2c, 2d) is smaller than that of the insertion hole (2d).

Description

Light supply apparatus and display unit

Technical field

The present invention relates to the display unit that is provided with the light supply apparatus of light-emitting component and possesses this light supply apparatus.

Background technology

So-called slim liquid crystal indicator such as liquid crystal TV set comprise face side have display image display surface the display part that roughly is cuboid and be disposed at this display part rear side and to the light supply apparatus of display part irradiates light; Between this light supply apparatus and said display part, dispose optical sheets such as diffuser plate and prismatic lens.

Display part has the display panels that roughly is cuboid.Because display panels itself can not be luminous, therefore, need be used for video is shown in the lighting source of display surface, use backlight arrangement to be used as this lighting source.

Backlight arrangement is general to adopt following dual mode: promptly, the marginal ray mode, this marginal ray mode is disposed at the rear side of display part with LGP, lighting source is disposed at the edge side of LGP; And directly descending mode, this directly descends mode that diffuser plate is disposed at the rear side of display part, lighting source is disposed at the rear side of diffuser plate.

Marginal ray mode for backlight arrangement; Because the edge side at LGP disposes cold-cathode fluorescence lamp (CCFL); Thereby light one side leaded light in LGP of injecting from the edge of LGP is penetrated on one side from a face of LGP; Therefore, can in the less display unit of the area of display surface, improve light characteristic.Yet,, therefore, in the display unit such as TV that maximize day by day, use the straight backlight arrangement of mode down owing to be difficult in the bigger display unit of the area of display surface, make light characteristic all even on whole.

For the straight backlight arrangement of mode down; The following two types light source of general employing is used as lighting source: promptly; CCFL type lighting source; This CCFL type lighting source has electrode at both ends, disposes the many cold-cathode fluorescence lamps that are straight tube shape or roughly take the shape of the letter U (CCFL) (for example, with reference to patent documentation 1) side by side in the rear side of said diffuser plate; And LED type lighting source, this LED type lighting source disposes a plurality of light emitting diodes (LED) (for example, with reference to patent documentation 2 to 5) side by side in the rear side of said diffuser plate.

CCFL type backlight arrangement comprises: along many cold-cathode fluorescence lamps that separate up and down on the direction of the face of diffuser plate and be arranged side by side; Take in the support housing of this cold-cathode fluorescence lamp of supporting; Be used to the inverter circuit substrate that makes cold-cathode fluorescence lamp luminous; And the cover plate that covers this inverter circuit substrate.

Because CCFL type backlight arrangement need be used to the inverter circuit substrate that cold-cathode fluorescence lamp is discharged, the high voltage parts such as electrode that reach the cold-cathode fluorescence lamp two ends; Thereby need around this high voltage parts, guarantee long insulation distance; Therefore, said high voltage parts becomes the obstacle that hinders front and back thickness to shorten.Therefore, nearest display unit has the trend that adopts LED type backlight arrangement, and this LED type backlight arrangement does not have high voltage parts, also need not to guarantee long insulation distance, the thickness before and after more helping shortening than CCFL type backlight arrangement.

In addition, owing to cold-cathode fluorescence lamp has the length that the transverse ends portion across said diffuser plate disposes, therefore, can't lighting at meticulous scope inner control cold-cathode fluorescence lamp.In addition, compare with the LED type, it is relatively poor to be used to suppress the fuzzy high speed flicker control of dynamic image etc.In addition, in order to light a plurality of cold-cathode fluorescence lamps with high voltage, power consumption is bigger, thereby the caloric value when lighting cold-cathode fluorescence lamp is also bigger.Therefore, employing can easily in meticulous scope, control and can carry out at a high speed flicker control and can make power consumption and caloric value comparatively favourable less than the backlight arrangement of the LED type of CCFL type backlight arrangement.

LED type backlight arrangement comprises: the polylith light emitting diode base plate that a plurality of light emitting diodes are installed on face; The support housing of taking in this light emitting diode base plate and supporting; And the power supply board that is used to make lumination of light emitting diode.

Applicant of the present invention has developed a kind of LED type backlight arrangement, and this LED type backlight arrangement comprises: the polylith light emitting diode base plate, and this polylith light emitting diode base plate is rectangle and connects into row, and a plurality of light emitting diodes are installed on the one face; Support housing, this support housing are taken in the said light emitting diode base plate that multiple row separates up and down and are supported; Axis body, this axis body are rivets that the both ends of light emitting diode base plate are fixed etc.; Connector, this connector is connected to each other adjacent light emitting diode base plate; A plurality of lens, these a plurality of lens are installed on the face of light emitting diode base plate, and relative with said light emitting diode, the light that light emitting diode is sent spreads; Reflector plate, this reflector plate put on a face of light emitting diode base plate, and the light that lens are spread reflects; And fulcrum post, this fulcrum post is used to suppress the bending of said diffuser plate.

The operation of (1)～(5) below utilizing is assembled this LED type backlight arrangement.

(1) support housing is lain on the operating desk, make open sides up, in this support housing, horizontal adjacent polylith light emitting diode base plate is arranged side by side multiple row.

(2) with connector adjacent light emitting diode base plate is connected to each other, the end of distolateral light emitting diode base plate is connected with the connector of used for electric power connection.

(3) be fixed on the support housing with the both ends of axis bodies such as rivet the light emitting diode base plate that is arranged side by side.

(4) reflector plate is put on the face of light emitting diode base plate.

(5) from reflector plate one side a plurality of fulcrum posts are installed on the support housing.

Support housing is formed and is formed by metallic plate, has to be tetragonal flat board, to link to each other with the periphery of this board and the frame portion that a side is open and four eaves sheets that link to each other with the outward flange of this frame portion.On board, the position relative with the both ends of the light emitting diode base plate that is arranged side by side is provided with first installing hole, on the position of configuration fulcrum post, is provided with second installing hole.

Light emitting diode base plate is rectangle, and on a face, has circuit part, and light emitting diode and lens are installed on this face, and a face at both ends is provided with connecting portion, is provided with at both ends and the corresponding through hole of first installing hole.

Light emitting diode forms and makes the light that is sent is that benchmark concentrates in the predetermined angular with the optical axis from the positive extension of light emitting diode.

The top portion of lens and light emitting diode leaves and relatively, is thick circular plate type, has to be used to make the hemispherical concave depressions that spreads from the light court that this light emitting diode irradiates all around.

Reflector plate is corresponding with the board of support housing and be quadrangle; And has following structure: promptly, on the position relative, be provided with shape first hole bigger than these lens with lens; On the position relative with said connector; Be provided with shape second hole bigger than this connector, in the time of on reflector plate being put a face of light emitting diode base plate, with lens configuration in first hole; Connector is disposed in second hole, thereby can absorbs thermal expansion by the caused reflector plate of light emitting diode.

In patent documentation 2; Put down in writing a kind of backlight arrangement: promptly, the polylith circuit substrate is arranged at the bottom of the supporting mass of case shape, on the face of said circuit substrate a plurality of light emitting diodes is installed with following structure; And be provided with lens accordingly with each light emitting diode; Reflector plate is being put after face one side of this polylith circuit substrate, making screw insert the logical through hole that is arranged at reflector plate and circuit substrate, thereby reflector plate and circuit substrate are fixed on the supporting mass.

In patent documentation 3, put down in writing a kind of backlight arrangement: promptly,, utilize connector that circuit substrate is electrically connected to each other for the light emitting diode of polylith circuit substrate is supplied power with following structure.

In patent documentation 4; Though record is not backlight arrangement, has put down in writing a kind of rivet, this rivet comprises rivet body and pin; Said rivet body is inserted the through hole that is arranged at installation material and material installed; And having the head that can not insert logical this through hole, said pin embeds the head of this rivet body, with the diameter of the leading section that enlarges rivet body; At a position of the peripheral part of the pin that embeds rivet body or embed the position of interior perimembranous of the head of the rivet body that pin is arranged, be provided with breach.Use this rivet,, installation material is fixed in material installed, in addition, instruments such as screwdriver are inserted said breach, so that pin is extracted by force, thereby can remove fixing between installation material and the material installed through pin is embedded rivet body.

In patent documentation 5, put down in writing a kind of backlight arrangement, said backlight arrangement comprises: the polylith circuit substrate is equipped with a plurality of light emitting diodes on the face of this polylith circuit substrate, and is provided with lens accordingly with each light emitting diode; Supporting mass, this supporting mass is the case shape, and this circuit substrate is taken in and supported; And reflector plate, this reflector plate has the hole bigger than these lens on the position relative with said lens.

Patent documentation 1: Japanese Patent Laid is opened the 2008-116832 communique

Patent documentation 2: Japanese Patent Laid is opened the 2008-41546 communique

Patent documentation 3: Japanese Patent Laid is opened the 2008-235241 communique

Patent documentation 4: real the opening of Japan Patent put down the 6-40428 communique

Patent documentation 5: Japanese Patent Laid is opened the 2006-114863 communique

Summary of the invention

Yet; In LED type backlight arrangement; In order with connector adjacent circuit substrate to be electrically connected, and when through solder reflow etc. the electrode part of the end of each circuit substrate being engaged with the electrode part of connector, the link position of connector might depart from the appropriate position of each circuit substrate; If under the state of this dislocation, with connector adjacent circuit substrate is connected to each other, the position of then adjacent circuit substrate relation might be from appropriate position deviation.But; Owing to offer the installing hole etc. that is used for circuit substrate is installed on appropriate position on the supporting mass of circuit substrate being equipped with; Therefore; The polylith circuit substrate that will under the state of dislocation, connect as if fixtures such as utilizing rivet is fixed on the supporting mass, then has following problem: promptly, in each circuit substrate and connector etc., can produce stress.

In addition, in LED type backlight arrangement, suppose that the technology of the rivet that use patent documentation 4 is put down in writing is fixed to circuit substrate on the supporting mass; Under these circumstances; Owing to, therefore, may produce following problem: promptly having only a position to be provided with to be used to the breach that inserts instruments such as screwdriver on the rivet to remove fixing between supporting mass and the circuit substrate; The position of the breach when circuit substrate is fixed in supporting mass; Other objects such as lens may become barrier, thereby cause inserting instrument such as screwdriver, are difficult to remove fixing between supporting mass and the circuit substrate.

The present invention accomplishes in view of the above problems; Its purpose is; The display unit that a kind of light supply apparatus is provided and possesses this light supply apparatus; Said light supply apparatus is fixed under the situation on the supporting mass at the polylith circuit substrate that will connect through connector with fixture, can prevent that each circuit substrate and connector etc. from upward producing stress.

In addition, the objective of the invention is to, the display unit that a kind of light supply apparatus is provided and possesses this light supply apparatus, said light supply apparatus can be removed reliably and utilize fixing between supporting mass that rivet carries out and the circuit substrate.

Light supply apparatus involved in the present invention is characterised in that, comprising: the polylith circuit substrate, on the face of this polylith circuit substrate light-emitting component is installed, and this polylith circuit substrate is with the consistent mode configured separate of face direction; Supporting mass, this supporting mass are positioned at another face one side of said polylith circuit substrate, and said polylith circuit substrate is supported; And connector; This connector is with being electrically connected between the circuit substrate adjacent in the said polylith circuit substrate; On each circuit substrate, be formed with the patchhole that a plurality of confession fixtures insert discretely; Said fixture is used for each circuit substrate is fixed in said supporting mass, and the size of a patchhole among said a plurality of patchholes is littler than the size of other patchholes.

According to the present invention; Light-emitting component is installed and to be electrically connected through connector between the adjacent substrate in the polylith circuit substrate of the consistent mode configured separate of face direction on face; Fixture is inserted a plurality of patchholes that form discretely on each circuit substrate, thereby each circuit substrate is fixed on the supporting mass of another face one side that is positioned at this polylith circuit substrate.In this case; In order to utilize connector to connect adjacent circuit substrate, engage with the electrode part of connector through the electrode part with each circuit substrate such as solder reflow, at this moment; If the link position of connector departs from respect to the appropriate position of each circuit substrate; Then because adjacent circuit substrate is not connected to each other through connector on appropriate position, therefore, depart from the position between the maintaining part of the fixture of the patchhole of each circuit substrate and supporting mass one side; When fixture being inserted a less patchhole of size makes on its maintaining part that remains on supporting mass one side among a plurality of patchholes; Can depart from from the position of this patchhole with the position of the maintaining part of corresponding supporting mass one side of other patchholes, but because the size of other patchholes becomes big, thereby the dislocation when substrate connects absorbed; Therefore, can prevent that circuit substrate or connector etc. from upward producing stress.

Light supply apparatus involved in the present invention is preferably has following structure: promptly; Said circuit substrate is rectangular; Long side direction along circuit substrate has been arranged side by side a plurality of said light-emitting components; Said circuit substrate is connected with adjacent circuit substrate through said connector in the end of substrate long side direction, is provided with said patchhole at a plurality of positions of the long side direction of said circuit substrate, and the size of any patchhole that inserts in the hole at these a plurality of positions is littler than the size of other patchholes.

According to the present invention; Be arranged side by side along the length direction of circuit substrate that adjacent circuit substrate is electrically connected to each other through connector in the end of substrate long side direction in the circuit substrate of rectangle of a plurality of light-emitting components; Fixture is inserted each set patchhole of a plurality of positions of the long side direction of each circuit substrate, so that each circuit substrate is fixed in supporting mass.In this case; In order to utilize connector to connect the circuit substrate of adjacent rectangle, engage with the electrode part of connector through the electrode part with end one side of the long side direction of each circuit substrate such as solder reflow, at this moment; If the link position of connector departs from respect to the appropriate position of each circuit substrate; Then because the circuit substrate of adjacent rectangle is not connected to each other through connector on appropriate position, therefore, depart from the position between the maintaining part of the fixture of each patchhole at a plurality of positions of substrate long side direction and supporting mass one side; Less one of size inserts in the hole so that it is when remaining in supporting mass one side among the patchhole that fixture is inserted a plurality of positions; Can depart from from the position of said other patchholes with the position of the receiving hole of corresponding supporting mass one side of other patchholes etc., but because the size of other patchholes becomes big, connect departing from of producing thereby absorbed because of substrate; Therefore, can prevent that circuit substrate or connector etc. from upward producing stress.

Light supply apparatus involved in the present invention is preferably has following structure: promptly, distolaterally distolaterally be provided with said patchhole with another at one of the long side direction of said circuit substrate.

According to the present invention; Be arranged side by side along the length direction of circuit substrate that adjacent circuit substrate is electrically connected to each other through connector in the end of substrate long side direction in the circuit substrate of rectangle of a plurality of light-emitting components; Fixture is inserted distolateral and another distolateral each set patchhole of the long side direction of each circuit substrate, so that each circuit substrate is fixed in supporting mass.In this case; In order to utilize connector to connect the circuit substrate of adjacent rectangle; Engage with the electrode part of connector through the electrode part with end one side of the long side direction of each circuit substrate such as solder reflow; At this moment, if the link position of connector departs from respect to the appropriate position of each circuit substrate, then the circuit substrate owing to adjacent rectangle be not connected to each other through connector on appropriate position; Therefore; Depart from position between the maintaining part of the fixture of one distolateral and each patchhole that another is distolateral and supporting mass one side of substrate long side direction, less patchhole of size among distolateral and another each the distolateral patchhole that fixture is inserted the substrate long side direction so that its when remaining in supporting mass one side, can depart from from the position of said other patchholes with the position of the receiving hole of corresponding supporting mass one side of other patchholes etc.; But because the size of said other patchholes becomes big; Thereby absorbed because of substrate connects departing from of producing, therefore, can prevent that circuit substrate or connector etc. from upward producing stress.

Light supply apparatus involved in the present invention is preferably has following structure: promptly; The circuit substrate of the said rectangle of polylith is under the state adjacent with being provided with the end of said other patchholes of the end that is provided with a said patchhole or be provided with under the state adjacent one another are of the end of said other patchholes; Connect into a row shape along long side direction, this is the circuit substrate of the polylith rectangle of a row shape to be arranged side by side multiple row along the substrate width direction.

According to the present invention; Connect in the circuit substrate of polylith rectangle of a row shape at the long side direction that utilizes connector along substrate; Owing to be in the state that the end of the circuit substrate that is provided with the less patchhole of size must be adjacent with the end of other circuit substrates that are provided with larger-size patchhole; Or be in the end state adjacent one another are that is provided with larger-size patchhole, therefore, under the situation adjacent one another are of the end of the circuit substrate that is provided with the less patchhole of size; At the less patchhole of size that fixture is inserted each circuit substrate so that it is when remaining in supporting mass one side; At the less patchhole of this size with respect to the dislocation of the maintaining part of supporting mass one side than under the serious situation, existence can't absorb the possibility of this dislocation, but can avoid such situation rightly.

Light supply apparatus involved in the present invention is preferably has following structure: promptly; End at each adjacent circuit substrate is provided with connecting portion; Said connector comprises a connector portion and another connector portion; A said connector portion has the pin electrode that is connected with the connecting portion of a circuit substrate wherein; Said another connector portion has the metal fittings that are connected with the connecting portion of another piece circuit substrate; These metal fittings can supply said pin electrode to embed and contact with said pin electrode, and these two connector portion can be mounted to said pin electrode is contacted with metal fittings, a patchhole among said a plurality of patchholes with the direction of the embedding direction quadrature of said pin electrode on size than other patchholes with the direction of the embedding direction quadrature of said pin electrode on size little.

According to the present invention; Through following a connector portion and another connector portion are installed; A said connector portion have be arranged at the adjacent circuit substrate in the pin electrode that is connected of the connecting portion of end of a circuit substrate; Said another connector portion has the metal fittings that are connected with the connecting portion of the end that is arranged at another piece circuit substrate, thereby pin electrode is embedded metal fittings and it is contacted, so that adjacent circuit substrate is electrically connected.In this case; If the pin electrode of the connecting portion of each circuit substrate and connector direction of edge and the embedding direction quadrature of pin electrode when being connected misplaces; The connecting portion of each circuit substrate and the metal fittings of the connector direction of edge and the embedding direction quadrature of pin electrode when being connected misplaces; The adjacent circuit substrate that then is connected through connector is not in the proper place each other; Depart to the direction with the embedding direction quadrature of pin electrode position between the receiving hole of the fixture of each patchhole of each circuit substrate and supporting mass one side etc.; Fixture is being inserted less patchhole of size so that it is when remaining in supporting mass one side; Depart to the embedding direction of pin electrode from the position of these other patchholes with the position of the maintaining part of corresponding supporting mass one side of other patchholes, but since these other patchholes with the direction of the embedding direction quadrature of pin electrode on size become big, departing from thereby absorbed by what the caused substrate of connector connected; Therefore, can prevent that circuit substrate or connector etc. from upward producing stress.

Light supply apparatus involved in the present invention is preferably and adopts following structure: promptly; In said supporting mass, be formed with and the corresponding through hole of said patchhole; Said fixture is a rivet, and this rivet comprises barrel member and shaft component, and said barrel member has the external diameter that can insert logical said patchhole and through hole; One end is provided with the flange part that can not insert logical said patchhole and through hole; The internal diameter of the other end is littler than the internal diameter of an end, and said shaft component can insert an end of this barrel member, has diameter than the big axial region of the internal diameter of the other end and can not insert the head of logical said patchhole and through hole.

According to the present invention; The other end of the barrel member of rivet is inserted each patchhole of the polylith circuit substrate that is connected through connector between adjacent substrate; And then make this barrel member insert logical each through hole; Accept the flange part of an end of barrel member with circuit substrate, said each through hole is formed at the supporting mass of another face one side that is arranged in the polylith circuit substrate corresponding to each patchhole.Then, if the axial region of shaft component is inserted an end of barrel member, and come the head of bearing shaft member with the flange part of barrel member; Then because the diameter of this axial region is bigger than the internal diameter of the other end of barrel member; Therefore, the other end of barrel member is strutted by axial region and external diameter is increased, and becomes and can't insert the through hole of logical supporting mass; And the axial region of shaft component applied pressing force, thereby rivet is remained in the supporting mass.Head through extracting this shaft component or axial region craniad pushed to take off shaft component from barrel member, through from the through hole of supporting mass and the taking-up barrel member that inserts in the hole of circuit substrate, removes the supporting of supporting mass to each circuit substrate.

Display unit involved in the present invention is characterised in that, comprising: display part, and a side of this display part has display surface; And said light supply apparatus, this light supply apparatus is disposed at the opposite side of this display part.

According to the present invention, the light that light-emitting component sent that is installed on said light supply apparatus is injected display part, thereby display part is thrown light on, and said light supply apparatus is disposed at the opposite side that a side has the display part of display surface.

Light supply apparatus involved in the present invention comprises: circuit substrate is equipped with light-emitting component on the face of this circuit substrate; Supporting mass, this supporting mass are positioned at another face one side of said circuit substrate, and said circuit substrate is supported; And rivet, this rivet has head and axial region, and said head is positioned at a side of a said face of said circuit substrate; Can not insert and logical be arranged at the through hole on said circuit substrate and the said supporting mass, said axial region links to each other with said head, runs through said through hole; And its front is anti-disengageably to remain on the said supporting mass; It is characterized in that,, be provided with a plurality of recesses towards the peripheral part opening in said head and the relative side of a said face said circuit substrate.

According to the present invention; As if the position of the through hole that makes the circuit substrate that light-emitting component is installed on the face and the through hole aligned in position of the supporting mass of another face one side that is positioned at this circuit substrate; Make the axial region of rivet run through two through holes of circuit substrate and supporting mass from face one side of circuit substrate; And the front that makes axial region prevents disengageably remaining on the supporting mass; Then the head of rivet can't run through two through holes of circuit substrate and supporting mass, utilizes the head and the anti-front that disengageably remains in the axial region of supporting mass of rivet, and circuit substrate is fixed in supporting mass and supported by it.Then; Instruments such as screwdriver are inserted a plurality of recesses of the head of the rivet that is arranged at a side relative with a face of circuit substrate from the opening of peripheral part; Head is moved, to remove the anti-disengagement maintenance that supporting mass is carried out the front of the axial region of rivet, perhaps to the direction away from circuit substrate; Removing after anti-disengagement that supporting mass carries out the front of the axial region of rivet keeps; Instruments such as screwdriver are inserted said a plurality of recess, head is moved to the direction away from circuit substrate, thereby remove fixing between supporting mass and the circuit substrate.In this case owing to be provided with a plurality of recesses, therefore, though for example the opening of a recess by around barrier block and can't insert instrument the time, also can tackle with other recess.

Light supply apparatus involved in the present invention is preferably has following structure: promptly, have at least a recess to be positioned on the position of departing from following straight line among said a plurality of recesses, this straight line connects the center side position and other recesses of the said head that links to each other with said axial region.

According to the present invention; Owing to have at least a recess not to be positioned on the straight line at the center side position that connects other recesses and the head that links to each other with axial region among a plurality of recesses; Therefore; Can avoid this recess and other recesses to be positioned at simultaneously and can't insert the situation of the position of instruments such as screwdriver, thereby can instrument be inserted this recess or other recesses.

Light supply apparatus involved in the present invention is preferably has following structure: promptly, said recess is that the center side position of showing the said head that links to each other with said axial region greatly is the radial groove at center.

According to the present invention, the center side position of the head that links to each other with axial region is shown in the insertion of instruments such as screwdriver greatly from the opening of peripheral part is a plurality of radial groove at center, and this instrument is craniad moved away from the direction of circuit substrate.In this case, because therefore instrument butt with it in the center side position of head and the scope between the peripheral part, can make head move to the direction away from circuit substrate under stable status.

Light supply apparatus involved in the present invention is preferably has following structure: promptly, said groove is provided with two, roughly is 90 degree.

According to the present invention, though for example the opening that a groove is arranged because of around barrier can't insert instrument the time, also can instrument be inserted another groove that roughly be 90 degree with respect to this groove, thereby can tackle rightly.

Light supply apparatus involved in the present invention is preferably has following structure: promptly, said groove is provided with three, roughly is 120 degree each other.

According to the present invention, though for example the opening that a groove is arranged because of around barrier can't insert instrument the time, also can instrument be inserted with respect to this groove and roughly be any groove in other two grooves of 120 degree, thereby can tackle rightly.

Light supply apparatus involved in the present invention is preferably has following structure: promptly; Dispose the lens that the light to said light-emitting component spreads discretely with said circuit substrate; It is adjacent with these lens that said rivet is configured to, the position at place, the bottom of said recess than the position of the outer circumferential side end of the opposite face of the said lens relative with a said face of said circuit substrate more near said face one side of said circuit substrate.

According to the present invention; The light of light-emitting component is injected the lens with the circuit substrate configured separate; Penetrated by the lens diffusion; In this case, since the position at place, bottom of recess that is configured to the rivet adjacent and face head opposite circuit substrate with lens than the outer circumferential side end of the opposite face of the lens relative with a face of circuit substrate more near face one side of circuit substrate, therefore; Can not inject the recess of the head of rivet from the light that the outer circumferential side end of the opposite face of lens is penetrated, but become the illumination light that is equivalent to by the reflection of the head of rivet.

Light supply apparatus involved in the present invention is preferably has following structure: promptly; Said axial region comprises barrel member and shaft component, and said barrel member has the external diameter that can insert logical said through hole, and the one of which end has can not insert the flange part that passes to said through hole; The internal diameter of its other end is littler than the internal diameter of a said end; Said shaft component can insert a said end of this barrel member, and its diameter is bigger than the internal diameter of the said other end, and an end of this shaft component is provided with said head.

According to the present invention, make the other end of barrel member run through two through holes of circuit substrate and supporting mass, accept the flange part of an end of barrel member with circuit substrate.Then, if shaft component is inserted an end of barrel member, and accept the said head of an end that is arranged at shaft component with the flange part of barrel member; Then because the diameter of this axial region is bigger than the internal diameter of the other end of barrel member; Therefore, the other end of barrel member is strutted by shaft component and external diameter is increased, and becomes and can't insert the through hole of logical supporting mass; And shaft component applied pressing force, thereby disengageably remain in the supporting mass the front of shaft component is anti-.Head through extracting this shaft component or axial region craniad pushed to take off shaft component from barrel member, through from the through hole of supporting mass and circuit substrate, taking out barrel member, removes fixing between supporting mass and the circuit substrate.

Display unit involved in the present invention is characterised in that, comprising: display part, and a side of this display part has display surface; And said light supply apparatus, this light supply apparatus is disposed at the opposite side of this display part.

According to the present invention, the light that light-emitting component sent that is installed on said light supply apparatus is injected display part, thereby display part is thrown light on, and said light supply apparatus is disposed at the opposite side that a side has the display part of display surface.

According to light supply apparatus involved in the present invention; Owing to reduced to supply the size of a patchhole among the patchhole that fixture inserts, and increased the size of other patchholes, carry out substrate departing from when connecting thereby can absorb connector; Said fixture is used for the polylith circuit substrate that is connected through connector is fixed in supporting mass; Therefore, can utilize fixture each circuit substrate to be fixed under the situation of supporting mass, prevent that each circuit substrate and connector etc. from upward producing stress.

According to light supply apparatus involved in the present invention; Utilize connector the end of long side direction with the circuit substrate of polylith rectangle situation connected to one another under; Even link position is from appropriate position deviation, but owing to reduced to supply the size of a patchhole among the patchhole that fixture inserts, and increased the size of other patchholes; Thereby can absorb connector and carry out substrate departing from when connecting; Said fixture is used for the circuit substrate of each rectangle is fixed in supporting mass, and said patchhole is arranged at a plurality of positions of substrate long side direction, therefore; Also can the circuit substrate of each rectangle be fixed under the situation of supporting mass, prevent that each circuit substrate and connector etc. from going up to produce stress at the fixture that utilization is arranged at a plurality of positions of substrate long side direction.

According to light supply apparatus involved in the present invention; Utilize connector with the end of long side direction with the circuit substrate of polylith rectangle situation connected to one another under; Even link position is from appropriate position deviation, but owing to reduced to supply the size of a patchhole on the substrate width direction among the patchhole that fixture inserts, and increased the size of other patchholes on the substrate width direction; Thereby can absorb connector and carry out substrate departing from when connecting; Said fixture is used for the circuit substrate of each rectangle is fixed in supporting mass, and said patchhole is arranged at the distolateral with another is distolateral, therefore of substrate long side direction; One distolateral and another distolateral fixture that also can be arranged at the substrate long side direction in utilization is fixed in the circuit substrate of each rectangle under the situation of supporting mass, prevents that each circuit substrate and connector etc. from going up generation stress.

According to light supply apparatus involved in the present invention; Through to the piece number of the circuit substrate of the rectangle that connects into a row shape along long side direction and be arranged side by side this columns that connects into the polylith circuit substrate of a row shape along the substrate width direction and set; Can realize bigger illumination zone; And; Through setting following state: promptly; Be provided with state that the end of the circuit substrate of the less patchhole of size must be adjacent with the end of the circuit substrate that is provided with larger-size other patchholes, or be provided with the end state adjacent one another are of larger-size patchhole, can further absorb the position deviation that connects caused circuit substrate by connector reliably, thereby can avoid each circuit substrate and connector etc. to go up generation stress rightly.

According to light supply apparatus involved in the present invention; Tool is installed; The connector that utilization has following structure comes the connecting circuit substrate; This connector is to a connector portion with pin electrode and have and can supply this pin electrode to embed and install with another connector portion of the contacted metal fittings of this pin electrode, makes pin electrode embed metal fittings, in this case; With the direction of the embedding direction quadrature of pin electrode on departing from of being connected of substrate be absorbed, thereby can prevent that each circuit substrate and connector etc. from going up produces stress.

According to light supply apparatus involved in the present invention, use the rivet comprise barrel member and shaft component, can each circuit substrate be supported on the supporting mass with shirtsleeve operation, in addition, can remove supporting mass to supporting that each circuit substrate carried out.

According to display unit involved in the present invention, provide a kind of opposite side that is included in display part to dispose the display unit of the full run-down type light supply apparatus of light-emitting component.

According to light supply apparatus involved in the present invention; Owing to can instruments such as screwdriver be inserted the opening of peripheral part of a plurality of recesses of the side relative be arranged at rivet head with a said face of circuit substrate; So that the head of rivet moves to the direction away from circuit substrate; Therefore, can remove fixing between the supporting mass that undertaken by rivet and the circuit substrate reliably.

According to light supply apparatus involved in the present invention; Because depart from from the straight line at the center side position that connects other recesses and the head that links to each other with axial region the position at least one recess place among a plurality of recesses; Thereby can avoid this recess and other recesses to be positioned at simultaneously and can't insert the situation of the position of instruments such as screwdriver; Therefore; Can instrument be inserted this recess or other recesses and head is moved to the direction away from circuit substrate, thereby can remove fixing between supporting mass and the circuit substrate rightly.

According to light supply apparatus involved in the present invention; Instruments such as screwdriver are inserted in any groove in a plurality of radial groove that the center side position of showing the rivet head that links to each other with axial region greatly is the center; Can head be moved to the direction away from circuit substrate, thereby can remove fixing between supporting mass and the circuit substrate rightly.

According to light supply apparatus involved in the present invention; Owing to be three grooves that are provided with two grooves that roughly are 90 degree radially or roughly are 120 degree mutually; Therefore; Even have a groove because of around barrier when causing inserting instrument, also can instrument be inserted another groove that is 90 degree or be other two grooves of 120 degree.

According to light supply apparatus involved in the present invention, the recess that the light that penetrates from the outer circumferential side end of the opposite face of lens can not be set at rivet head absorbs, thereby can make it become illumination light effectively.

According to light supply apparatus involved in the present invention, use axial region by the rivet that barrel member and shaft component constituted, can circuit substrate be fixed in supporting mass with shirtsleeve operation, in addition, can remove fixing between supporting mass and the circuit substrate.

According to display unit involved in the present invention, provide a kind of whole face that is included in the opposite side of display part all to dispose the display unit of the full run-down type light supply apparatus of light-emitting component.

Description of drawings

Fig. 1 is the signal exploded perspective view of the structure of expression display unit involved in the present invention.

Fig. 2 is the resulting structure in back is omitted in expression to the shell of a display unit involved in the present invention exploded perspective view.

Fig. 3 is the local vertical profile side view of the structure of expression display unit involved in the present invention.

Fig. 4 is the schematic isometric of the structure of expression light supply apparatus involved in the present invention.

Fig. 5 is the front view of the structure of expression light supply apparatus involved in the present invention.

Fig. 6 is the local vertical profile vertical view of the structure of expression light supply apparatus involved in the present invention.

Fig. 7 is the schematic front view of the structure of expression substrate supporting body.

Fig. 8 is the diagrammatic rear view of the structure of expression light supply apparatus.

Fig. 9 is the stereogram of the structure of expression light emitting diode base plate.

Figure 10 is the schematic front view of the configuration structure of expression light emitting diode base plate.

Figure 11 is the enlarged front view of the structure of expression lens and axis body part.

Figure 12 is the curve map of expression according to the luminous quantity that lighting angle produced of the light that light emitting diode sent.

Figure 13 A is the view sub-anatomy of the structure of expression axis body.

Figure 13 B is the exploded perspective view of the structure of expression axis body.

Figure 14 A is the amplification view of the structure of expression axis body part.

Figure 14 B is the amplification view of the structure of expression axis body part.

Figure 15 is the XV-XV line amplification view of Figure 13 A.

Figure 16 is the front view of the structure of expression reflector plate.

Figure 17 is the expanded view of structure in the bight of expression reflector plate.

Figure 18 is the cutaway view of the structure of expression fulcrum post.

Figure 19 is the cutaway view of the structure of expression lead keeper part.

Figure 20 is the cutaway view of the state after the lid of lead keeper is decontroled in expression.

Figure 21 is the stereogram of the leadout hole structure partly of expression substrate supporting body.

Figure 22 is the partial enlarged drawing of the state after the lid of lead keeper is unloaded in expression.

Figure 23 is the expanded view of other structures in the bight of expression reflector plate.

Figure 24 is the front view of connector other structures relatively partly of expression reflector plate.

Figure 25 is the front view of other structures of expression light supply apparatus.

Figure 26 is the schematic front view of other structures of expression substrate supporting body.

Figure 27 is the schematic front view of other structures of expression reflector plate.

Figure 28 is the cutaway view of other relations between expression reflector plate and the axis body.

Figure 29 is the stereogram of structure of the light supply apparatus of expression embodiment 1.

Figure 30 is the vertical view of structure of the light supply apparatus of expression embodiment 1.

Figure 31 is the resulting structure in back is omitted in expression to the reflector plate of the light supply apparatus of embodiment 1 a vertical view.

Figure 32 amplifies the resulting cutaway view in back to the part of the structure of the light supply apparatus of expression embodiment 1.

Figure 33 is the vertical view of structure of the reflector plate that light supply apparatus possessed of expression embodiment 1.

Figure 34 is the enlarged front view that is illustrated in the structure of the major part when launching reflector plate.

Figure 35 is the enlarged front view of structure of the major part of expression reflector plate.

Figure 36 is the cross-sectional vertical view of amplification of the structure of expression reflector plate part.

Figure 37 is the cutaway view of structure of the display unit of the expression light supply apparatus that possesses embodiment 1.

Figure 38 is the expansion front view of other structures of major part of the reflector plate that light supply apparatus possessed of expression embodiment 1.

Figure 39 is the expansion front view of other structures of major part of the reflector plate that light supply apparatus possessed of expression embodiment 1.

Figure 40 is the enlarged front view of other structures of the major part of expression reflector plate.

Figure 41 A is the expansion front view of other structures of the major part of expression reflector plate.

Figure 41 B representes other structures of the major part of reflector plate, is the front view that becomes the state of hull shape.

Figure 42 is the vertical view of other structures of expression reflector plate.

Figure 43 is the vertical view of other structures of expression reflector plate.

Figure 44 amplifies the resulting cutaway view in back to the part of the structure of the light supply apparatus of expression embodiment 2.

Figure 45 omits the resulting vertical view in back to the part of the light supply apparatus of embodiment 2.

Figure 46 decomposes the resulting schematic isometric in back to the part of the light supply apparatus of embodiment 2.

Figure 47 is the vertical view that the light supply apparatus of expression embodiment 2 does not have the state of reflector plate.

Figure 48 is the stereogram of structure of the lensed light emitting diode base plate of installation of the light supply apparatus of expression embodiment 2.

Figure 49 is the stereogram of structure of connector of the light supply apparatus of expression embodiment 2.

Figure 50 has carried out the vertical view that amplifies to the part relative with connector of the reflector plate of the light supply apparatus of embodiment 2.

Figure 51 is that the part relative with connector of reflector plate of light supply apparatus of expression embodiment 2 is to the amplification stereogram of the state of thickness direction bias.

Figure 52 is the cutaway view of structure of the display unit of the expression light supply apparatus that possesses embodiment 2.

Figure 53 is the amplification plan view of other structures of notch of the reflector plate that light supply apparatus possessed of expression embodiment 2.

Figure 54 is the vertical view of other structures of notch of the reflector plate that light supply apparatus possessed of expression embodiment 2.

Figure 55 is the vertical view of other structures of notch of the reflector plate that light supply apparatus possessed of expression embodiment 2.

Figure 56 is the vertical view of other structures of notch of the reflector plate that light supply apparatus possessed of expression embodiment 2.

Figure 57 is the vertical view of other structures of notch of the reflector plate that light supply apparatus possessed involved in the present invention of expression embodiment 2.

Figure 58 is the stereogram of other structures of the reflector plate that light supply apparatus possessed of expression embodiment 2.

Figure 59 is the stereogram of other structures of the reflector plate that light supply apparatus possessed of expression embodiment 2.

Figure 60 is the stereogram of other structures of the reflector plate that light supply apparatus possessed of expression embodiment 2.

Figure 61 is the longitudinal sectional view of the display unit of schematic representation embodiment 3.

Figure 62 is the LED that is provided with reflector plate of schematic representation embodiment 3 and the front view of LED substrate.

Figure 63 is the cutaway view of I-I line rivet, Figure 62 of schematic representation embodiment 3.

Figure 64 is the cutaway view of II-II line quilting rivet, Figure 62 of schematic representation embodiment 3.

Figure 65 is the cutaway view of III-III line supporting rivet, Figure 62 of schematic representation embodiment 3.

Figure 66 A is the amplification view of other structures of the expression part that the LED substrate of embodiment 3 is fixed in support plate.

Figure 66 B is the amplification view of other structures of the expression part that the LED substrate of embodiment 3 is fixed in support plate.

Figure 67 is the cutaway view of major part of structure of the light supply apparatus of expression embodiment 4.

Figure 68 is the vertical view of a part of the light supply apparatus of embodiment 4.

Figure 69 decomposes the resulting vertical view in back to the part of the light supply apparatus of embodiment 4.

Figure 70 is the vertical view of a part of member of the light supply apparatus of embodiment 4.

Figure 71 amplifies the resulting vertical view in back to the part of the light supply apparatus of embodiment 4.

Figure 72 amplifies the resulting vertical view in back to the part of the light supply apparatus of embodiment 4.

Figure 73 is the stereogram of structure of the lensed light emitting diode base plate of installation of expression embodiment 4.

Figure 74 is the stereogram of structure of the lensed light emitting diode base plate of installation of expression embodiment 4.

Figure 75 is the cutaway view of an example of the fixture of expression embodiment 4.

Figure 76 is the cutaway view of structure of the display unit of the expression light supply apparatus that possesses embodiment 4.

Figure 77 is the vertical view of the part of the related light supply apparatus of other embodiments of embodiment 4.

Figure 78 decomposes the resulting vertical view in back to the part of the related light supply apparatus of second other embodiments of embodiment 4.

Figure 79 is the vertical view of a part of member of the related light supply apparatus of second other embodiments of embodiment 4.

Figure 80 is the longitudinal sectional view of the related display unit of schematic representation embodiment 5.

Figure 81 is the light emitting diode that is provided with reflector plate of schematic representation embodiment 5 and the front view of substrate.

Figure 82 is the curve map of expression according to the luminous quantity that lighting angle produced of the light that light emitting diode sent.

Figure 83 is the cutaway view of IV-IV line rivet, Figure 81 of schematic representation embodiment 5.

Figure 84 is the cutaway view of rivet of the variation of the related display unit of schematic representation embodiment 5.

Figure 85 is the cutaway view of the screw of the related display unit of schematic representation embodiment 5.

Figure 86 amplifies the resulting cutaway view in back to the part of the structure of the display unit of expression embodiment 6.

Figure 87 amplifies the resulting cutaway view in back to the part of the structure of the light source portion of expression embodiment 6.

Figure 88 is the abridged structure has been carried out in expression to the periphery of the light source portion of embodiment 6 a front view.

Figure 89 is that expression is to the periphery of the light source portion of embodiment 6 and the front view that light-reflecting sheet has carried out the abridged structure.

Figure 90 is the abridged structure has been carried out in expression to the periphery of the light-reflecting sheet of embodiment 6 a front view.

Figure 91 A is the vertical profile side view of the first axle body structure partly of expression embodiment 6.

Figure 91 B is the cross-sectional vertical view of the first axle body structure partly of expression embodiment 6.

Figure 92 A is the vertical profile side view of the second axle body structure partly of expression embodiment 6.

Figure 92 B is the cross-sectional vertical view of the second axle body structure partly of expression embodiment 6.

Figure 93 is the cross-sectional vertical view of the three-axis body structure partly of expression embodiment 6.

Figure 94 is the vertical profile side view of the first axle body other structures partly of expression embodiment 6.

Figure 95 is the vertical profile side view of the second axle body other structures partly of expression embodiment 6.

Figure 96 is expression prevent the to misplace cross-sectional vertical view of other structures of bore portion.

Figure 97 is the vertical profile side view of other structures of expression the first axle body and the second axle body part.

Figure 98 is the schematic isometric of other structures of expression light supply apparatus.

Figure 99 be the expression light-reflecting sheet prevent to misplace the front view of other structures of part.

Figure 100 is the cutaway view of major part of structure of the light supply apparatus of expression embodiment 7.

Figure 101 is the vertical view of a part of the light supply apparatus of embodiment 7.

Figure 102 decomposes the resulting vertical view in back to the part of the light supply apparatus of embodiment 7.

Figure 103 is the vertical view of a part of member of the light supply apparatus of embodiment 7.

Figure 104 amplifies the resulting vertical view in back to the part of the light supply apparatus of embodiment 7.

Figure 105 is the amplification stereogram of the connector of embodiment 7.

Figure 106 is the vertical view of structure that schematically shows the connector of embodiment 7.

Figure 107 is the vertical view of size relationship of the patchhole of expression embodiment 7.

Figure 108 is the stereogram of structure of the lensed light emitting diode base plate of installation of expression embodiment 7.

Figure 109 is the cutaway view of an example of the fixture of expression embodiment 7.

Figure 110 is the cutaway view of structure of the display unit of the expression light supply apparatus that possesses embodiment 7.

Figure 111 A is the stereogram of the structure of the related light emitting diode base plate of other embodiments of expression embodiment 7.

Figure 111 B is the stereogram of the structure of the related light emitting diode base plate of other embodiments of expression embodiment 7.

Figure 112 is the cutaway view of major part of structure of the light supply apparatus of expression embodiment 8.

Figure 113 is the vertical view of a part of the light supply apparatus of embodiment 8.

Figure 114 decomposes the resulting vertical view in back to the part of the light supply apparatus of embodiment 8.

Figure 115 is the vertical view of a part of member of the light supply apparatus of embodiment 8.

Figure 116 amplifies the resulting vertical view in back to the part of the light supply apparatus of embodiment 8.

Figure 117 is the stereogram of structure of the lensed light emitting diode base plate of installation of expression embodiment 8.

Figure 118 is the cutaway view of structure of the rivet of expression embodiment 8.

Figure 119 is the vertical view at the V-V line place of Figure 118.

Figure 120 is the rivet of expression embodiment 8 and the cutaway view of the relation of the position between the lens.

Figure 121 is the cutaway view of structure of the display unit of the expression light supply apparatus that possesses embodiment 8.

Figure 122 is the vertical view of rear side of head of rivet of the other light sources device of expression embodiment 8.

Figure 123 amplifies the resulting vertical view in back to the part of the other light sources device of embodiment 8.

Figure 124 is the vertical view of rear side of head of rivet of the second other light sources device of expression embodiment 8.

Figure 125 is the longitudinal sectional view of the part-structure of the expression display unit that possesses the related light supply apparatus of embodiment 9.

Figure 126 is the horizontal cross of the structure of the related circuit substrate that light supply apparatus the possessed coupling part each other of expression embodiment 9.

Figure 127 A is the front view of the structure of the related circuit substrate that light supply apparatus the possessed coupling part each other of expression embodiment 9.

Figure 127 B is the related circuit substrate that light supply apparatus possessed of expression embodiment 9 and the front view of the relation between the installation component.

Figure 128 is the stereogram that schematically shows the state that the embodiment 9 related circuit substrates that light supply apparatus possessed are arranged side by side.

Figure 129 is the vertical view of the related lighting device of embodiment 10.

Figure 130 is the vertical view of the related backlight chassis of embodiment 10.

Figure 131 is the stereogram of the outward appearance of the related LED substrate of expression embodiment 10.

Figure 132 is the amplification view of the mounting portion of the related LED substrate of expression embodiment 10.

Figure 133 is the amplification view of the mounting portion of the related LED substrate of expression embodiment 10.

Figure 134 is the cutaway view of the related liquid crystal indicator of embodiment 10.

Figure 135 is the cutaway view of other embodiments of the related liquid crystal indicator of expression embodiment 10.

Figure 136 is the cutaway view of a part of structure of the expression display unit that possesses the related backlight arrangement of embodiment 11.

Figure 137 amplifies the resulting cutaway view in back to the part of the structure of the related backlight arrangement of expression embodiment 11.

Figure 138 is the cutaway view of structure of the rivet of the related backlight arrangement of expression embodiment 11.

Figure 139 omits the resulting vertical view in back to the part of the related backlight arrangement of embodiment 11.

Figure 140 decomposes the resulting schematic isometric in back to the part of the related backlight arrangement of embodiment 11.

Figure 141 A amplifies the resulting vertical view in back to the part of the structure of the reflector plate of the related backlight arrangement of expression embodiment 11.

Figure 141 B amplifies the resulting vertical view in back to the part of the structure of the reflector plate of the related backlight arrangement of expression embodiment 11.

Figure 142 is the longitudinal sectional view of the related display unit of schematic representation embodiment 12.

Figure 143 is the concise and to the point rearview of embodiment 12 related support plates being observed from rear side.

Figure 144 is the stereogram that schematic representation is opened near the through hole the edge of the related support plate of embodiment 12.

Figure 145 is the vertical view that schematic representation is embedded in the protection tube in the through hole.

Figure 146 is the concise and to the point cutaway view at the VII-VII line place that puts down in writing of Figure 145.

Figure 147 is the concise and to the point cutaway view at the VIII-VIII line place that puts down in writing of Figure 145.

Figure 148 is the concise and to the point cutaway view at the IX-IX line place that puts down in writing of Figure 145.

Figure 149 is the vertical view of schematic representation cap.

Figure 150 is the concise and to the point side view that F 1 direction put down in writing from Figure 149 is observed.

Figure 151 is the concise and to the point side view that the F2 direction put down in writing from Figure 149 is observed.

Figure 152 is the concise and to the point cutaway view at the XI-XI line place that puts down in writing of Figure 149.

Figure 153 is the concise and to the point side view that the F3 direction put down in writing from Figure 149 is observed.

Figure 154 is that subtend protection tube is installed the key diagram that cap describes.

Figure 155 is that subtend protection tube is installed the key diagram that cap describes.

Figure 156 is that the protection tube of the related display unit of subtend embodiment 12 is installed the key diagram that cap describes.

Figure 157 is that the protection tube of the related display unit of subtend embodiment 12 is installed the key diagram that cap describes.

Figure 158 is to amplifying the also stereogram of schematic representation near the engaging axle.

The specific embodiment

Below, the accompanying drawing based on expression embodiment of the present invention is elaborated to the present invention.

Fig. 1 is the signal exploded perspective view of the structure of expression display unit of the present invention, and Fig. 2 representes the shell of display unit is omitted the resulting STRUCTURE DECOMPOSITION stereogram in back, and Fig. 3 is the local vertical profile side view of the structure of expression display unit; Fig. 4 is the schematic isometric of the structure of expression light supply apparatus; Fig. 5 is the front view of the structure of expression light supply apparatus, and Fig. 6 is the local vertical profile vertical view of the structure of expression light supply apparatus, and Fig. 7 is the schematic front view of the structure of expression substrate supporting body; Fig. 8 is the diagrammatic rear view of the structure of expression light supply apparatus; Fig. 9 is the stereogram of the structure of expression light emitting diode base plate, and Figure 10 is the schematic front view of the configuration structure of expression light emitting diode base plate, and Figure 11 is the enlarged front view of the structure of expression lens and axis body part; Figure 12 is the curve map of expression according to the luminous quantity that lighting angle produced of the light that light emitting diode sent; Figure 13 A is the view sub-anatomy of the structure of expression axis body, and Figure 13 B is the exploded perspective view of the structure of expression axis body, and Figure 14 A and Figure 14 B are the amplification views of the structure of expression axis body part; Figure 15 is the XV-XV line amplification view of Figure 13 A; Figure 16 is the front view of structure of expression reflector plate, and Figure 17 is the expanded view of structure in the bight of expression reflector plate, and Figure 18 is the cutaway view of the structure of expression fulcrum post; Figure 19 is the cutaway view of the structure of expression lead keeper part; Figure 20 is the cutaway view of the state after the lid of lead keeper is decontroled in expression, and Figure 21 is the stereogram of structure of the leadout hole part of expression substrate supporting body, the partial enlarged drawing of the state of Figure 22 after to be expression with the lid of lead keeper unload.

Fig. 1 extremely display unit shown in Figure 3 comprises: the front side has the display part A that roughly is cuboid of the display surface that shows television image; Be disposed at the light supply apparatus B that roughly is cuboid of the rear side of this display part A; Be disposed at the optical sheet C between light supply apparatus B and the display part A; And the shell D of rear side that covers periphery and the light supply apparatus B of display part A.

< structure of display part A >

To shown in Figure 3, display part A comprises: the display panels A1 that roughly is cuboid with display surface like Fig. 1; And the preceding maintenance framework A2 of the periphery of this display floater of front and back clamping A1 and back maintenance framework A3, keep framework A3 to combine with the back preceding maintenance framework A2 with a plurality of external screws, thereby the periphery of display floater A1 is carried out the front and back clamping.Preceding maintenance framework A1 in display part A keeps on the non-clamping part of framework A2 with the back, offers a plurality of being used for the periphery of display part A is installed to the hole on the light supply apparatus B.

< structure of light supply apparatus B >

To shown in Figure 6, light supply apparatus B comprises like Fig. 1: as a plurality of light emitting diode B1 of light source, be arranged side by side into latticed discretely along the both direction of quadrature; Be configured to the circuit substrate group of multiple row; This circuit substrate group comprises along the polylith light emitting diode base plate B3 that direction is arranged side by side, said light emitting diode B 1 and the lens B2 relative with the top of each light emitting diode B 1 is installed on the face of said light emitting diode base plate B3; A plurality of connector B4, these a plurality of connector B4 are connected to each other light emitting diode base plate B3 adjacent in the circuit substrate group; Reflector plate B5, the face of this reflector plate B5 and a said face and connector B4 is relative, and the light that lens B2 is spread reflects; Substrate supporting body B6 supports the multiple row circuit substrate group on the face of this substrate supporting body B6 abreast; Many axis body B7, these many axis body B7 are used for the both ends of each light emitting diode base plate B3 are fixed on substrate supporting body B6; A plurality of fulcrum post B8, these a plurality of fulcrum post B8 are used to suppress the bending of optical sheet C; Lead keeper B9, the multiple conducting wires B40 that this lead keeper B9 will be connected with light emitting diode base plate B3 draws in halfway and keeps; And polylith circuit substrate B10, this polylith circuit substrate B10 is disposed at the outer surface of substrate supporting body B6.

< structure of substrate supporting body B6 >

Substrate supporting body B6 is formed and is formed by metallic plate, comprising: roughly rectangular flat board B61 as Fig. 2 is extremely shown in Figure 4; Link to each other with the periphery of this board B61 and the B62 of frame portion that the front side is open; And four eaves sheet B63 that link to each other with the outer rim of the B62 of this frame portion, this substrate supporting body B6 is hull shape.

As shown in Figure 7, board B61 is provided with: a plurality of first installing hole B64, these a plurality of first installing hole B64 supply the axis body B7 that is used for the both ends of light emitting diode base plate B3 are fixed to embed; A plurality of second installing hole B65, these a plurality of second installing hole B65 are used for mounting support pin B8 or the inhibitory reflex sheet B5 axis body B7 to the direction bias of separating with light emitting diode base plate B3; A plurality of the 3rd installing hole B66, these a plurality of the 3rd installing hole B66 are used for additional zero parts such as circuit substrate B10 are installed on another face of board B61; A plurality of locating hole B67, these a plurality of locating hole B67 are used to navigate to the shaping dies that substrate supporting body B6 is shaped; A plurality of positioning convex portion B68, these a plurality of positioning convex portion B68 are used for light emitting diode base plate B3 is positioned; The first sign B69a and the second sign B69b, this first sign B69a and the second sign B69b are convex, are used to prevent that light emitting diode base plate B3 installation from makeing mistakes; And spline hole B60, this spline hole B60 be disposed at one first installing hole B64 around.

The first installing hole B64 is configured along a direction discretely, and a plurality of installing hole B64 of a direction constitute the hole row, and these hole row have been arranged side by side multiple row abreast.It is between two first installing hole B64 offering of a light emitting diode base plate B3, the B64 that the second installing hole B65 is opened in, and is disposed on a plurality of positions that are separated from each other, and its size is identical with the first installing hole B64.

It is on the position relative with light emitting diode base plate B3 between two installing hole B64 offering of a light emitting diode base plate B3, to block said the 3rd installing hole B66 with light emitting diode base plate B3 that the 3rd installing hole B66 is opened in.Towards said another face one side depression, make can not connect around the 3rd installing hole B66 with light emitting diode base plate B3 from the end that this another side one side embeds the shaft component of the 3rd installing hole B66.It is between two the first installing hole B64 offering of a light emitting diode base plate B3 that locating hole B67 is opened in; Said locating hole B67 and light emitting diode base plate B3 relatively are disposed at three places that are separated from each other, thereby block said locating hole B67 with light emitting diode base plate B3.Positioning convex portion B68 is shaped so that said face one side forms projection on the part of the position relative with the periphery of each light emitting diode base plate B3.The diameter of spline hole B60 is littler than the diameter of the first installing hole B64, and said spline hole B60 is opened on the position of separating slightly with the first installing hole B64 of the central portion that is disposed at board B61.

On the face of board B61, take in and be supported with the multiple row circuit substrate group; As shown in Figure 8; Sidepiece at the length direction of another face of board B61; The power circuit substrate B10a that is connected with a light emitting diode base plate B3 in each circuit substrate group through the second connector B41 is installed,, the control circuit substrate B10b that display part A is driven and controls is installed in the other side of length direction.

As shown in Figure 8; On a sidepiece of the length direction of board B61, offer leadout hole B61a; Said leadout hole B61a is used for the lead B40 that each second connector B41 is had is exported to the another side side of board B61, in the outside of this leadout hole B61a lead keeper B9 is installed.Shown in figure 21, be provided with a plurality of recess B61b in the inside edge of leadout hole B61a, around leadout hole B61a, be provided with the card-tight part B61c of concavity.

The length direction central portion downside of another face of board B61 is equipped with signal processing circuit substrate B10c, and the vision signal of the display surface that is shown in display part A is handled.In addition, has following structure: promptly, on a plurality of circumferential positions of eaves sheet B63, offer the corresponding installing hole in said hole with display part A,, display part A is combined with substrate supporting body B6 through the connection of external screw.

< structure of light emitting diode base plate B3 >

As shown in Figure 9; Light emitting diode base plate B3 is rectangle; Has circuit part on the one face; On this face, light emitting diode B1 and lens B2 are installed, a face of an end is provided with the connecting portion B31 of convex or matrix, and a face of another end is provided with the connecting portion B32 of matrix or convex.Light emitting diode base plate B3 adopts following structure: promptly; On both ends, offer and the corresponding through hole B33 of the first installing hole B64, B34; On two positions between through hole B33, the B34, offer and two the corresponding location of positioning convex portion B68 recess B35; Between location recess B35, B35, offer corresponding embedded hole B36 with the second installing hole B65; An end of length direction is provided with the first mark B37 with the corresponding concavity of the first sign B69a; Thereby the different light emitting diode base plate B3 of the connecting portion structure that can prevent both ends is along the direction configuration of mistake; In addition, the both sides of the width of an end of length direction are provided with the second mark B38 with the corresponding concavity of the second sign B69b, make mistakes thereby state two kinds of light emitting diode base plate B3 (first substrate, second substrate) configuration after preventing.A location recess B35 is arranged on the position relative with spline hole B60.Shown in figure 10, polylith light emitting diode base plate B3 length is identical or that length is different is arranged side by side along a direction, thus the forming circuit substrate in batch.For example like Fig. 5, shown in Figure 10; Adopt following structure: promptly; From the short bob optical diode substrate of length that 5 light emitting diode B 1 equally spaced are installed, equally spaced be equipped with 6 light emitting diode B1 moderate-length light emitting diode base plate and equally spaced be equipped with in these three kinds of light emitting diode base plates of long hair optical diode substrate of 7 or 8 light emitting diode B1 and select any light emitting diode base plate B3; And make up along a direction, thereby can form length different circuits substrate in batch.

Because the luminance deviation of light emitting diode B1 is bigger; Therefore; The circuit substrate group employing is with the light emitting diode B1 of high brightness and staggered being arranged side by side to alleviate the structure of brightness irregularities of light emitting diode B1 of low-light level; Light emitting diode base plate B3 comprises by first substrate of the arranged in order light emitting diode B1 of high brightness, low-light level and by second substrate of the arranged in order light emitting diode B1 of low-light level, high brightness; Distinguish this two kind of first substrate, second substrate with color, thereby at first sight just can discern.

The size of the through hole B33 that offers on the end of light emitting diode base plate B3 forms forr a short time than the through hole B34 that offers on the other end; The gap that makes undersized through hole B33 and embed between the axis body B7 wherein is minimum; Large-sized through hole B34 and the gap that embeds between the axis body B7 wherein are bigger; Thereby can make large-sized through hole B34 one side is that middle mind-set width moves with the axis body B7 that embeds undersized through hole B33, and the connector B4 that is connected with each other with the end that prevents the light emitting diode base plate B3 that will be arranged side by side along column direction applies overload.

Two the locational location recess B35, the size between the B35 that are arranged at a light emitting diode base plate B3 are according to the difference of the length of light emitting diode base plate B3 and difference; For bob optical diode substrate B3; Be of a size of small size between location recess B35, the B35; For middle light emitting diode base plate B3, be of a size of middle size between location recess B35, the B35, for long hair optical diode substrate B3; Be of a size of long size between location recess B35, the B35, thereby the light emitting diode base plate B3 configuration that can prevent different length makes mistakes.

Through being excised into concavity, the part of length direction one end forms the first mark B37; The configuration first sign B69a in this mark B37; The different light emitting diode base plate B3 of connecting portion structure at both ends is during along the direction configuration of mistake; The first sign B69a can be covered and can't discern by light emitting diode base plate B3, thereby the configuration direction that can confirm light emitting diode base plate B3 has gone out mistake.Through being excised into concavity, width both sides, an end of length direction form the second mark B38; The configuration second sign B69b in this mark B38; Configure at first substrate of light emitting diode base plate B3 and second substrate and to stagger the time; The second sign B69b can be covered and can't discern by light emitting diode base plate B3, thereby the kind that can confirm light emitting diode base plate B3 has gone out mistake.

< structure of lens B2 >

Like Fig. 6 and shown in Figure 11; The top portion of lens B2 and light emitting diode B1 leaves and is relative with it; Transmittance section B21 and three projection B22 with thick circular plate type; Said transmittance section B21 have be used to make light that this light emitting diode B1 sent to around the hemispherical concave depressions of diffusion; Said projection B22 B21's from this transmittance section is relative with light emitting diode B 1 outstanding towards light emitting diode base plate B3, with bonding agent the front end of this projection B22 is installed on light emitting diode B1 on the face of light emitting diode base plate B3 around.The luminous quantity that lighting angle produced of the light that Figure 12 representes to send according to light emitting diode.Locating of luminous quantity is and the be separated by position of 20mm of light emitting diode B1.Can know according to Figure 12, with respect to lighting angle zero degree (summit of light emitting diode B1) be 70 the degree more than the lighting angle place do not have luminous quantity.

< structure of axis body B7 >

The axis body B7 that embeds the first installing hole B64 and the both ends of light emitting diode base plate B3 are fixed, inhibitory reflex sheet B5 is common to the axis body B7 of the direction bias of separating with light emitting diode base plate B3 with embedding the second installing hole B65.Because the both ends of light emitting diode base plate B3 are provided with through hole B33, B34; Therefore; Employing embeds axis body B7 the structure of the first installing hole B64 from through hole B33, the B3 at these both ends; Even thereby be arranged side by side in the structure of polylith light emitting diode base plate B3 in that kind shown in figure 10, can not forget to embed axis body B7 or the wrong axis body B7 of embedding yet, and can fix the both ends of light emitting diode base plate B3 reliably.Shown in Figure 13 A, Figure 13 B, Figure 14 A, Figure 14 B, axis body B7 has plastic flexible tube B71 and the plastic pin B72 that embeds this flexible tube B71.The end of flexible tube B71 has the less head B71a of diameter; Its other end one side have along a plurality of otch B71b of axial length direction and to the inside the protuberance protrusion; Parts sheet between the otch B71b can be crooked to radially; Flexible tube B71 is embedded through hole B33 or the B34 and the first installing hole B64, head B71a is contacted with the face of light emitting diode base plate B3, light emitting diode base plate B3 is pushed to board B61.

Pin B72 is relative along the head B71a of axial length direction and flexible tube B71; The one of which end has the diameter head B72a bigger than this head B71a; Pin B72 is embedded in the flexible tube B71; Radial outside is crooked in the lateral of installing hole B64 thereby make parts sheet between the otch B71b of flexible tube B71, thereby can not extract from installing hole B64, between the face of the periphery inner surface of head B72a and light emitting diode base plate B3; Can produce the size space longer than the thickness of reflector plate B5; When thereby the heat that when light emitting diode B1 is luminous, is produced causes reflector plate B5 to produce thermal expansion, allow reflector plate B5 to stretch, produce fold to prevent reflector plate B5 because of this thermal expansion.Shown in Figure 14 A, Figure 14 B, having head B72a is oblong pin B72 for circular pin B72 and head B72a.Have on the pin B72 of oblong head B72a,, be formed with and embed spline hole B60 and a spline pin B73 who locatees among the recess B35 in length direction one side of head B72a.

As shown in Figure 6; Axis body B7 adopts following structure: promptly; Size till making from the face of light emitting diode base plate B3 to head B72a top forms shortlyer than the size till from the face of light emitting diode base plate B3 to lens B2 top; Thereby can reduce the interference of the head B72a of light that lens B2 spread and axis body B7, can prevent caused brightness irregularities by axis body B7.

Shown in figure 15, on head B72a and face interior surface opposing light emitting diode base plate B3, be provided with a plurality of recess B74, said recess B74 keeps the part that makes progress in week and to top one side depression, and opens to periphery.Utilize recess B74, between the face of recess B74 and light emitting diode base plate B3, produce the space of the point insertion that supplies instruments such as straight screwdriver, thereby can pull up pin B72 easily with instrument.Recess B74 such trisection ground shown in Figure 13 B is provided with, but in addition, also can be provided with on quartering ground, perhaps also can be one or two, to the not special restriction of its number.

< structure of reflector plate B5 >

The synthetic resin sheet material raw material that will have highly reflective forms; To form reflector plate B5; Like Fig. 5 and shown in Figure 16; Said reflector plate B5 comprises and roughly is tetragonal plat part B51 and at the framework part B52 of first fold line B5a place's bending of the periphery that is formed at this plat part B51, and when at the first fold line B5a place during bending, said reflector plate B5 forms hull shape.

On plat part B51, offer the first hole B53, the second hole B54 and the 3rd hole B55; The said first hole B53 is configured to latticed; Its inside is used for disposing each lens B2, embeds among the said second hole B54 to be used for axis body B7 that light emitting diode base plate B3 is fixed, embeds fulcrum post B8 among said the 3rd hole B55 or is used for the axis body B7 of inhibitory reflex sheet B5 to the direction bias of separating with light emitting diode base plate B3; On the position relative, offer paired otch B56 with each connector B4; This paired otch B56 separates and relative abreast to the direction along the sheet face, and when reflector plate B5 being put on the polylith light emitting diode base plate B3 that connects with connector B4, the part between the paired otch B56 is to the thickness direction bias; Thereby on the part relative, also can carry out the light reflection with reflector plate with connector B4; In addition, shown in figure 16, be provided with slotted hole B57; Said slotted hole B57 links to each other with one second hole B54 of center side, and across a location recess B35 and relative with spline hole B60.

Shown in figure 17; Between the bight B52a periphery of the bight of plat part B51 B51a and framework part B52; Be provided with three second fold line B5b to the bight of the B52 of frame portion B52a circumferential expansion from the bight B51a of plat part B51; Through in second fold line B5b place's bending, thereby can not produce gap and jump at the bight B52a of the B52 of frame portion.

Shown in figure 11; Form the diameter of the first hole B53 bigger slightly than the transmittance section B21 of lens B2; With transmittance section B21 be disposed at plat part B51 near optical sheet C one side; When thermal expansion takes place the light that is sent because of light emitting diode B1 at reflector plate B5, allow reflector plate B5 to stretch because of taking place in the gap of this thermal expansion between transmittance section B21 side face and the first hole B53.The second hole B54 has following structure: promptly little, and bigger than head B72a than the first hole B53, and link to each other with the side of the adjacent first hole B53, thereby can absorb by the thermal expansion of reflector plate B5 caused flexible.In addition, one of center side second hole B54, the second hole B54 that promptly links to each other with slotted hole B57 separate with the first hole B53.

The 3rd hole B55 forms forr a short time than the head B71a of the second hole B54 and flexible tube B71.Around the 3rd hole B55 that supplies fulcrum post B8 to embed, be provided with the identification part B55a of micro hole, but around the 3rd hole B55 that the axis body B7 that supplies inhibitory reflex sheet B5 to the direction bias of separating with light emitting diode base plate B3 embeds, identification part B55a be not set.Identification part B55a is disposed at diameter than on the big position of the head B72a of axis body B7, and with axis body B7 is wrong when embedding the 3rd hole B55 as fulcrum post B8, identification part B55a can expose, thereby can know mistake has taken place.

Shown in figure 16; Otch B56 separates along the direction (with the direction of row quadrature) that is arranged side by side that is arranged side by side into the circuit substrate group of multiple row; Make relative direction alternate; With the non-notch portion between the two ends of otch B56, B56 be starting point to the thickness direction bias, make bias part relative with each connector B4.In this structure; The reflector plate B5 that on the part relative, has highly reflective with each connector B4; With the non-notch portion between the two ends of otch B56, B56 is that bias takes place starting point; Therefore, the gradient till reducing from bias summit partly to said non-notch portion with respect to plat part B51.Thus; As shown in Figure 4, even, also can utilize the bias of the part relative to reduce gradient with each connector B4 being arranged side by side under the more situation of number of connector B4; Thereby can improve the light reflective of edge and the direction of sheet face quadrature, can further guarantee the appropriate brightness characteristic.

Shown in Figure 14 B; One second hole B54 of the center side that links to each other with slotted hole B57 adopts following structure: promptly; Its diameter is littler than flexible tube B71; With head B71a only with around one the second hole B54 of reflector plate B5 to the face pushing of light emitting diode base plate B3, thereby no matter whether stretch because of the thermal expansion of reflector plate B5, can both position reflector plate B5.Slotted hole B57 as the hole that prevents to misplace has the essentially identical width with spline pin B73; Be with direction that one second hole B54 of said center side separates on long hole; Contact with the side face of spline pin B73; Preventing reflector plate B5 along circumferentially misplacing, thereby can keep the position between the first hole B53 and the lens B2 to concern.

< structure of fulcrum post >

Shown in figure 18, fulcrum post B8 comprises plastic flexible tube B81, embed this flexible tube B81 plastic pin B82 and with the integrally formed cylindrical portion B83 of this pin B82.The end of flexible tube B81 has the less head B81a of diameter; Its other end one side have along a plurality of otch B81b of axial length direction and to the inside the protuberance protrusion; Parts sheet between the otch B81b can be crooked to radially; Flexible tube B81 is embedded the 3rd hole B55 and the second installing hole B65, head B81a is contacted with the face of light emitting diode base plate B3, thereby light emitting diode base plate B3 is pushed to board B61.

Pin B82 is relative along the head B81a of axial length direction and flexible tube B81; The one of which end has the diameter head B82a bigger than the head B72a of this head B81a and axis body B7; Pin B82 is embedded in the flexible tube B81; Radial outside is crooked in the lateral of the second installing hole B65 to make parts sheet between the otch B81b of flexible tube B81, thereby can not extract from installing hole B65, between the face of the periphery inner surface of head B82a and light emitting diode base plate B3; Can produce the size space longer than the thickness of reflector plate B5; Thereby when the photoconduction that light emitting diode B1 is sent causes reflector plate B5 generation thermal expansion, allow reflector plate B5 to stretch, produce fold to prevent reflector plate B5 because of this thermal expansion.Cylindrical portion B83 adopts following structure: promptly, B82a rises roughly taperedly from the head, and front end separates with optical sheet C and relatively slightly, and is bent to light emitting diode base plate B3 one lateral bending to suppress optical sheet C.Head B82a adopts following structure: promptly, form the size that when fulcrum post B8 is embedded the 3rd hole B55, covers the identification part B55a of reflector plate B5, thereby when mistake embedded the 3rd hole B55 with axis body B7, identification part B55a can expose to head B82a.

< structure of lead keeper >

Like Figure 19, Figure 20, shown in Figure 22, lead keeper B9 chimeric and be installed on leadout hole B61a around, comprise the lid B92 that roughly is tetragonal protection tube B91 and the open end of this protection B91 is sealed.Inboard at protection tube B91 is provided with recess B91a, and this recess B91a and board B61 are configured abreast, and link to each other with leadout hole B61a, thereby can draw the lead B40 that derives from leadout hole B61a in.The side open end of protection tube B91 is provided with the B91b of the portion that is stuck of convex; The said B91b of portion that is stuck inserts recess B61b; And be sticked in the edge part of leadout hole B61a through slip, the side of protection tube B91 is provided with pivot suspension protuberance B91c, the opposite side of protection tube B91 be provided be clamped in card-tight part B61c by card-tight part B91d; Utilization is stuck the B91b of portion and by card-tight part B91d, with protection tube B91 be installed on leadout hole B61a around.The opposite side opening portion of protection tube B91 is provided with the B91e of fastening portion of a plurality of concavities.

Lid B92 is tabular; One side of its periphery be provided with by pivot suspension protuberance B91c chucking by card-tight part B92a; Opposite side be provided with by the convex of B91e institute of fastening portion fastening by the B92b of fastening portion; Said lid B92 is when by card-tight part B92a to be fulcrum and when closing direction rotates the open end with close and protect tube B91, the lead B40 that draws in recess B91a being clamped between the recess B91a and lid B92 of protection tube B91.Thus, as shown in Figure 2, the lead B40 that can be at short notice the connector B2 that is connected with circuit substrate group be had draws in and remains in the recess B91a, thus can be easily to the lead B40 processing of connecting up.

< structure of optical sheet C >

Optical sheet C is the duplexer that is cascaded by thicker diffuser plate and thin synthetic resin sheet material; Wherein, Thicker diffuser plate spreads the light that the light emitting diode B1 as light source is sent; Thin synthetic resin sheet material comprises reflection Polarizer, prismatic lens and diffusion sheet etc., and the periphery of this optical sheet C is supported by the eaves sheet B63 of substrate supporting body B6.

< structure of shell D >

Split D2 after shell D has split D1 before the shell of the periphery front side that covers display part A and covers the shell of dark dish type of periphery and rear side of light supply apparatus B utilizes external screw that said shell D is installed on the eaves sheet B63 of substrate supporting body B6.

Assemble the display unit that adopts above structure operation (1)～(8) below utilizing.

(1) display floater A1 is put on the back maintenance framework A3 that lies on the operating desk, preceding maintenance framework A2 is put on this display floater A1, should precedingly keep framework A2 and back to keep framework A3 to combine with external screw, thus formation display part A.

(2) the substrate supporting body B6 that circuit substrate B10 will be installed lies on another operating desk; Make open sides up; On the face of the board B61 of this substrate supporting body B6, that kind as shown in Figure 7 is arranged side by side the adjacent in one direction polylith light emitting diode base plate B3 of multiple row.At this moment; Adjacent in one direction light emitting diode base plate B3 is for example after being arranged side by side the bob optical diode substrate that multiple row is equipped with 5 light emitting diode B1; Be arranged side by side the middle light emitting diode base plate that multiple row is equipped with 6 light emitting diode B1; And then be arranged side by side the bob optical diode substrate that multiple row is equipped with 5 light emitting diode B1, thereby forming circuit substrate in batch.The bob optical diode substrate that is arranged side by side at first is connected with the second connector B41 in advance, and middle light emitting diode base plate is connected with connector B4, and the bob optical diode substrate that is arranged side by side at last is connected with short circuit connector.

Because board B61 is provided with positioning convex portion B68, the first sign B69a and the second sign B69b; Light emitting diode base plate B3 is provided with location recess B35, first mark 37 and second mark 38; Therefore; When the forming circuit substrate in batch, the location recess B35 of light emitting diode base plate B3 is engaged with positioning convex portion B68, thereby can be arranged side by side on suitable position by easily that length is different light emitting diode base plate B3; In addition; First mark 37 and the first sign B69a are complementary, second mark 38 and the second sign B69b are complementary, thereby can be easily the light emitting diode B1 of the connecting portion structure difference at both ends and high brightness and low-light level be arranged side by side in proper order that different light emitting diode base plate B3 is arranged side by side on suitable position.When the light emitting diode base plate that is connected with the second connector B41 is arranged side by side, the lead B40 of the second connector B41 is derived to the outside of substrate supporting body B6 from leadout hole B61a.

The both ends that (3) will be arranged side by side the light emitting diode base plate B3 in substrate supporting body B6 with axis body B7 are fixed on the board B61.At this moment, axis body B7 inserts logical through hole B33, the B34 that is opened in the both ends of each light emitting diode base plate B3 successively, this axis body B7 is embedded among the installing hole B64 of board B61, thereby each light emitting diode base plate B3 is fixed on the substrate supporting body B6.At this moment, in the through hole B33 that axis body B7 has been embedded an end that is opened in light emitting diode base plate B3 after, axis body B7 is embedded among the through hole B34 of another end be opened in light emitting diode base plate B3.Because it is littler than the through hole B34 that the back embeds axis body B7 to embed the through hole B33 of axis body B7 earlier; Therefore; Even under the situation that the through hole B34 that is opened in another end squints with respect to the position of installing hole B64 slightly; Also can absorb this offset and light emitting diode base plate B3 is fixed, thereby can prevent connector B4 is applied overload.In addition, utilize following operation, axis body B7 is embedded among the installing hole B64 of center side, this installing hole B64 is used for embedding the axis body B7 with spline pin B73.

(4) reflector plate B5 is put on the face of the light emitting diode base plate B3 on the board B61 that is fixed in substrate supporting body B6, the periphery of this reflector plate B5 is put on the eaves sheet B63 of substrate supporting body B6.At this moment, lens B2 is disposed in the first hole B53 of reflector plate B5.

(5) with fulcrum post B8 be used for the 3rd hole B55 that any side of inhibitory reflex sheet B5 among the axis body B7 of the direction bias of separating with light emitting diode base plate B3 inserts logical reflector plate B5 successively, this fulcrum post B8 or axis body B7 are embedded the embedded hole B36 and the second installing hole B65.At this moment, because the diameter of the head B72a of axis body B7 is bigger than the 3rd hole B55, relatively, therefore, can prevent that reflector plate B5 is to the direction bias of separating with light emitting diode base plate B3 around the 3rd hole B55 of the inner surface of this head B72a and reflector plate B5.

The flexible tube B71 that will have the axis body B7 of spline pin B73 embeds among one the second hole B54 of center side of reflector plate B5; Spline pin B73 is embedded among slotted hole B57, location recess B35 and the spline hole B60, thereby can prevent that reflector plate B5 is along circumferentially misplacing.

(6) optical sheet C is put on the periphery of reflector plate B5; Said reflector plate B5 puts on the eaves sheet B63 of substrate supporting body B6; Display part A is put on this optical sheet C, make external screw insert the logical inserting hole that is opened in the periphery of this display part A, this external screw is screwed in the installing hole that is opened on the eaves sheet B63; Thereby optical sheet C is clamped between display part A and the substrate supporting body B6, so that display part A is fixed on the substrate supporting body B6.At this moment, can utilize fulcrum post B8 to suppress optical sheet C bends.

(7) on operating desk, reverse, make display part A down, make substrate supporting body B6 up, polylith circuit substrate B10 is installed among the 3rd installing hole B66 of board B61, the lead B40 that draws the second connector B41 with lead keeper B9 in keeps.

(8) display part A and substrate supporting body B6 are put before the shell that lies on the operating desk on the split D1; Make display part A down; Make substrate supporting body B6 up; Split D2 behind the shell is put on the substrate supporting body B6, with external screw with shell after before eaves sheet B63 and the shell of perimeter sides, substrate supporting body B6 of split D2 the perimeter sides of split D1 combine, thereby form display unit.

< other structures of display unit >

Figure 23 is the expanded view of other structures in the bight of expression reflector plate; Figure 24 is the front view of connector other structures relatively partly of expression reflector plate; Figure 25 is the front view of other structures of expression light supply apparatus; Figure 26 is the schematic front view of other structures of expression substrate supporting body, and Figure 27 is the schematic front view of other structures of expression reflector plate, and Figure 28 is the cutaway view of other relations between expression reflector plate and the axis body.

< other structures of reflector plate B5 >

Shown in figure 23; Also can adopt following structure: promptly; Bight B52a at the framework part B52 of reflector plate B5 is provided with the roughly V-shaped B58 of excision portion; Four framework part B52 that will link to each other with four limits of plat part B51 at the first fold line B5a place be bent into be with respect to plat part B51 skewed after, two edge part B58a, the B58a of the B58 of excision portion lump together, and the state that keeps this to lump together with combination tools such as two-sided tapes.

Shown in figure 24; Also can adopt following structure: promptly; Offer two otch B59 that roughly take the shape of the letter U in the part relative of reflector plate B5 with connector B4; And be starting point with two bias starting points between otch B59, the B59; Make reflector plate B5 and sheet face that bias take place abreast, improving the bias property of its part relative with connector B4 to thickness direction, two minor faces of the side extension that said otch B59 shortens towards spacing distance by the long limit relative to separating along the direction of sheet face and by the two ends on this length limit form.

< other relations between axis body B7 and the reflector plate B5 >

Owing to the light reflective of the axis body B7 that the both ends of light emitting diode base plate B3 are fixed is poorer than reflector plate B5; Therefore; Shown in figure 25; The axis body B7 edge that to fix the end of the light emitting diode base plate B3 that is arranged side by side into multiple row is configured to staggered with the direction of column direction quadrature; It is staggered that the axis body B7 edge that will fix another end of light emitting diode base plate B3 and the direction of column direction quadrature are configured to, and makes it to become not obvious with diffusion by the occurrence positions of the caused brightness irregularities of axis body B7.

In this case, shown in figure 26, will with the direction of the column direction quadrature of light emitting diode base plate B3 on the adjacent first installing hole B64 and positioning convex portion B68 along the mutual bias of said column direction be configured to staggered.Light emitting diode base plate B3 comprise from two ends to short first light emitting diode base plate of the size of through hole B33, B34 and from two ends to second light emitting diode base plate of the longer dimension of through hole B33, B34; And with first light emitting diode base plate and the second light emitting diode base plate edge direction alternate configurations with the column direction quadrature; Thereby corresponding to being configured to the first staggered installing hole B64 through hole B33, B34 are configured to staggeredly, and then the direction of the axis body B7 edge that will embed through hole B33, B34 and column direction quadrature is configured to staggered.

Be used to prevent reflector plate B5 along the slotted hole B57 that dislocation circumferentially takes place except adopting with the structure that one second hole B54 of the center side that is disposed at reflector plate B5 links to each other, one the second hole B54 of perimeter sides that can also that kind shown in figure 28 will be disposed at reflector plate B5 is as slotted hole B57.In this case; Slotted hole B57 has the width of the head B71a same size of basic and axis body B7, be with direction that one the second hole B54 that is disposed at said center side separates on long hole, contact to prevent that reflector plate B5 edge from circumferentially misplacing with the side face of head B71a; In addition; In the second hole B54 of the center side that is disposed at reflector plate B5, embed axis body B7, to replace having the pin B72 of Long Circle head B72a with rounded nose B72a.In addition, slotted hole B57 can also adopt and the first hole B53 separated structures except the structure that kind shown in figure 28 adopts with the first hole B53 of reflector plate B5 links to each other.

Below, based on accompanying drawing, embodiment 1-1 of the present invention is described in detail to embodiment 12-2.In addition, to Fig. 1 to the corresponding parts of parts shown in Figure 28, with bracket come note to Fig. 1 to the label that parts marked shown in Figure 28, with clear and definite they with Fig. 1 extremely parts shown in Figure 28 be identical.

Embodiment 1-1

Figure 29 is the stereogram of the structure of expression light supply apparatus involved in the present invention; Figure 30 is the vertical view of the structure of expression light supply apparatus; Figure 31 is a vertical view of representing the reflector plate of light supply apparatus is omitted the resulting structure in back, and Figure 32 amplifies the resulting cutaway view in back to the part of the structure of expression light supply apparatus.

Illustrated light supply apparatus (B) is installed on the rear side of the said display part in the possess display part thin-type display device of (A); Said display part (A) roughly is cuboid; Its front side has display surface; Light supply apparatus (B) comprising: a plurality of light emitting diodes 1 (B1), and these a plurality of light emitting diodes 1 (B1) are arranged side by side into latticed as light source; Polylith light emitting diode base plate 2 (B3), this polylith light emitting diode base plate 2 (B3) is arranged side by side into multiple row, and said light emitting diode 1 is installed on the one face 2a; A plurality of connectors 3 (B4), these a plurality of connectors 3 (B4) are connected to each other adjacent light emitting diode base plate 2,2; A plurality of lens 4 (B2), these a plurality of lens 4 (B2) are installed on the face 2a of light emitting diode base plate 2, and are relative with the top of light emitting diode 1, the light generation scattering that this light emitting diode 1 is sent; Reflector plate 5 (B5), this reflector plate 5 (B5) have the through hole 5a (the first hole B53) that is used at the said lens 4 of internal configurations, and be relative with a face of a said face 2a and connector 3, and the light that lens 4 are spread is reflected; And support housing 6 (substrate supporting body B6), this support housing 6 (substrate supporting body B6) is taken in multiple row light emitting diode base plate 2 abreast and is supported.

Light emitting diode base plate 2 is a face 2a and has the rectangle of circuit part, on a face 6a of roughly rectangular support housing 6, has been arranged side by side the said light emitting diode base plate 2 of multiple row discretely with width along its length.Shown in figure 31, on light emitting diode base plate 2 a face 2a separately, a plurality of light emitting diodes 1 are installed discretely along its length, be provided with connecting portion 21,22 (B31, B32) at the length direction both ends of a face 2a.

Light emitting diode base plate 2 is arranged side by side into multiple row; Make an end of its length direction relative; In such light emitting diode base plate 2; Be connected to each other with adjacent two connecting portions 21,21 of connector 3, be connected with the back lip-deep power circuit substrate that is installed on support housing 6, the connecting portion 22 of another piece light emitting diode base plate 2 is connected with short circuit connector with the connecting portion 22 of second connector (B41) with a light emitting diode base plate 2 with each row light emitting diode base plate 2.

Support housing 6 is formed and is formed by metallic plate; Have the board 61 (B61) of roughly rectangular flat and link to each other with the periphery of this board 61 and frame portion 62 (B62) that the front side is open; On the front surface 6a of board 61, take in abreast with width along its length and supporting light emitting diode base plate 2.The frame sheet bending that will link to each other and form frame portion 62 with four limits of board 61.

On the back surface of board 61, power circuit substrate that is connected with the connecting portion 22 of light emitting diode base plate 2 through second connector and the polylith circuit substrates (B10) such as control circuit substrate that said display part is driven and controls are installed.

Figure 33 is the vertical view of the structure of expression reflector plate; The enlarged front view of the structure of the major part when Figure 34 is the expansion of expression reflector plate; Figure 35 is the enlarged front view of structure of the major part of expression reflector plate, and Figure 36 is the cross-sectional vertical view of amplification of the structure of expression reflector plate part.Reflector plate 5 (B5) has highly reflective and rectangular synthetic resin sheet material raw material by a slice and forms, and comprising: than the little plat part 51 (B51) of the board of support housing 6 61; And locate to link to each other and framework part 52 (B52) that can bending with the whole periphery of this plat part 51 at four first fold line 5b (B5a); Between the bight 52a of each bight of plat part 51 51a (B51a) and framework part 52 (B52a) periphery; Be provided with second fold line 53 (B5b) as perforation line; In the first fold line 5b and the second fold line 53 places bending, thereby form framework part 52 with respect to plat part 51 outward inclining and the open hull shape in front side.In addition, the first fold line 5b and second fold line 53 are perforation lines.

Second fold line 53 has three; From the bight 51a of plat part 51 to the bight of framework part 52 52a circumferential expansion; The fold line 53a of central authorities is converted into depression; The fold line 53b of both sides, 53b are converted into projection, thereby fold line 53b, the 53b of both sides are not lumped together with on thickness direction, having jump each other.The peripheral part of 52a is provided with and is excised roughly L shaped excision portion 54 in the bight of framework part 52.

Coincided and become tabular by bending part 53c, 53c three broken line 53a, 53a, the bending of 53b place two; Should be combined by bending part 53c, 53c with jointing tapes such as two-sided tape 55; Thereby keep the bending state of framework part 52, in other words, can keep the shape of framework part 52.

Be provided with bias portion at the relative position of the outer peripheral portion with connector 3 of plat part 51; This bias portion is through at relative a plurality of otch and can be to the thickness direction bias along separating on the direction of sheet face; In addition; Plat part 51 respectively with lens 4 corresponding positions on, offer the diameter through hole 5a bigger slightly (the first hole B53) than these lens 4, in the internal configurations of this through hole 5a lens 4 are arranged.

In addition, be provided with four eaves portions 56 integratedly with reflector plate 5, these four eaves portions 56 link to each other with four limits of the rectangular framework part 52 of periphery at the 3rd fold line 5c place, and extend out laterally abreast with plat part 51.

Relative two eaves portions 56,56 have the protuberance 56a that more gives prominence to the length direction of eaves portion 56,56 than excision portion 54 from the two ends of this eaves portion 56,56 on the length direction of reflector plate 5; When utilizing three second fold lines 53 that bight 52a is lumped together; The lateral edges of this protuberance 56a docks with the edges at two ends of remaining two eaves portions 56,56, makes between the two ends of each eaves portion 56 and does not produce the gap.

Shown in figure 31, along the length direction of light emitting diode base plate 2 for example 5 or 6 light emitting diodes 1 are installed discretely, will be respectively be installed on the face 2a with bonding agent with light emitting diode 1 corresponding 5 or 6 lens 4.

Lens 4 (B2) comprise transmittance section (B21) and three locator protrusions (B22); The top portion of said transmittance section (B21) and light emitting diode 1 from and relatively; And have be used to make light that this light emitting diode 1 sent to around the hemispherical concave depressions of diffusion; Said locator protrusions (B22) is relative with face 2a outstanding towards light emitting diode base plate 2 from this transmittance section; Said transmittance section is positioned with respect to light emitting diode base plate 2, be installed on the face 2a with the front end of bonding agent with this locator protrusions.Said locator protrusions is set, makes the distance between said transmittance section and the light emitting diode base plate 2 longer slightly, thereby can absorb the thermal expansion of reflector plate 5 than the thickness of reflector plate 5.

For adopting the light supply apparatus of structure as stated; Support housing 6 is put on the operating desk; Make open sides up, on the front surface of the board 61 of this support housing 6, be arranged side by side multiple row along adjacent two light emitting diode base plates 2,2 of column direction; Connector 3 is connected with connecting portion 21,21 on the adjacent end that is arranged at each row light emitting diode base plate 2,2, reflector plate 5 is put on the face 2a of each row light emitting diode base plate 2 and make them relative.Because reflector plate 5 is the open hull shape in front side; Therefore; The face 2a of plat part 51 and light emitting diode base plate 2 and the board 61 of support housing 6 are relative, and framework part 52 is relative with the frame portion 62 of support housing 6, and the whole faces in the support housing 6 all are reflectings surface.

Owing to plat part of reflector plate 5 51 and framework part 52 form a slice synthetic resin sheet material raw material at the first fold line 5b and the second fold line 53 places bending; Therefore; Can obtain the reflector plate 5 of hull shape easily and not produce the gap; In addition, even there is dust to invade in the support housing 6, can prevent that also the dust in this support housing 6 from invading the inboard of reflector plate 5.In addition; Because will be the bight 52a of framework part 52 of the reflector plate 5 of hull shape lumps together at three second fold line 53 places; Make and on thickness direction, do not produce jump; Therefore, can improve the light characteristic of the bight 52a of framework part 52, and can prevent that the bight 52a of framework part 52 from producing shade.In addition, because the outer edge part of 52a is provided with and is excised roughly L shaped excision portion 54 in the bight of framework part 52, therefore, can prevent to utilize second fold line 53 and the outer edge part of the bight 52a that lumps together is outstanding laterally.

Figure 37 is the cutaway view of structure that expression comprises the display unit of light supply apparatus involved in the present invention.This display unit comprises: display part 70 (A), and this display part 70 (A) roughly is cuboid, and its front side has the display surface that shows television image; Light supply apparatus A (B), this light supply apparatus A (B) is disposed at the rear side of this display part 70; And shell 71 (D), this shell 71 (D) covers the periphery of display part 70 and the rear side of light supply apparatus A.

Display part 70 (A) comprises display floater 72 (A1) with display surface and the optical sheet 73 (C) that is disposed at these display floater 72 rear sides.Supporting frame 74 (A2) and back supporting frame 75 (A3) before utilizing carry out front and back clamping to the periphery of display floater 72, with the formation panel assembly, with after supporting frame 75 be installed on the periphery of support housing 6.

Optical sheet 73 is the duplexers that cascaded by thicker diffuser plate and thin synthetic resin sheet material; Said thicker diffuser plate spreads the light that the light emitting diode 1 as light source is sent, and said thin synthetic resin sheet material comprises reflection Polarizer, prismatic lens and diffusion sheet etc.

The frame portion 62 that support housing 6 has board 61 and links to each other with the periphery of this board 61 is supported on the periphery of said diffuser plate in this frame portion 62.

Split 71b (D2) after shell 71 has split 71a (D1) before the shell of the periphery front side that covers display part 70 and covers the shell of dark dish type of periphery and rear side of light supply apparatus A utilizes external screw that said shell 71 is installed in the frame portion 62 of support housing 6.

Embodiment 1-2

Figure 38 is the expansion front view of other structures of the major part of the expression reflector plate that light supply apparatus possessed involved in the present invention.This light supply apparatus adopts following structure: promptly; 52a is provided with roughly V-shaped excision portion 57 in the bight of framework part 52; In the bight of the framework part 52 of reflector plate 5 (B5) three second fold lines 53 are set with replacement; Four framework parts 52 that will link to each other with four limits of plat part 51 at the first fold line 5b place are bent into when skewed with respect to plat part 51, two edge part 57a, 57a of excision portion 57 lumped together, and the state that utilizes two-sided tape 55 to keep this to lump together.

Have than the little plat part 51 of the board of support housing 6 61 and four framework parts 52 that link to each other with four limits of this plat part 51 at the first fold line 5b place by the formed reflector plate 5 of the rectangular synthetic resin sheet material raw material of a slice; By the first fold line 5b framework part 52 is bent into respectively with respect to plat part 51 and is skewed; Thereby form that frame divides with respect to plat part 51 outward inclining and the open hull shape in front side lumps together two edge part 57a, 57a of excision portion 57.In this state, two-sided tape 55 is pasted on the both ends outer surface of adjacent framework part 52, thereby can keeps hull shape.In addition, be set to one at the 4th fold line place with the curved tabs that an end of adjacent framework part 52 links to each other, thereby can easily combine with curved tabs with two-sided tape another end with adjacent framework part 52.

Because other structures and effect are identical with embodiment 1-1, therefore, to identical parts mark same numeral, the explanation of omitting its detailed description and action effect.

Embodiment 1 one 3

Figure 39 is the expansion front view of other structures of the major part of the expression reflector plate that light supply apparatus possessed involved in the present invention, and Figure 40 is the enlarged front view of other structures of the major part of expression reflector plate.This light supply apparatus adopts following structure: promptly; Second fold line 53 and an otch 58 that three bight 51a from the plat part 51 of reflector plate 5 extend to the periphery of framework part 52 are set; On the bight 52a of the framework part 52 of reflector plate 5, excision portion 57 is set with replacement; Utilize second fold line 53 to form the bight 52a of framework part 52, utilize otch 58 that the end of adjacent framework part 52 is lumped together each other, keep the state and the bight 52a that lump together with two-sided tape.

Otch 58 is arranged to respectively to extend along the relative both sides of this plat part 51 from the bight 51a of plat part 51; The both ends of two framework parts that link to each other with the relative both sides of plat part 51 have the protuberance a that gives prominence to the outside of bight 51a from the two ends of other two framework parts, and this protuberance is relative with other two ends of two frameworks parts.

On protuberance, be provided with three second fold lines that 51a expands to bight 52a periphery (bight of protuberance) from the bight.

In this embodiment; The framework part is played bending by broken line; Protuberance is played bending by three second fold lines, thereby form that frame divides with respect to plat part 51 outward inclining and the open hull shape in front side, utilize combination member such as two-sided tape that in the second fold line place bending two are combined by bending part; Utilize jointing tape such as two-sided tape that the edge part that is formed by otch of adjacent framework part is bonded to each other, with the maintenance hull shape.

Because other structures and effect are identical with embodiment 1-1, therefore, to identical parts mark same numeral, the explanation of omitting its detailed description and action effect.

Embodiment 1-4

Figure 41 A is the expansion front view of other structures of the major part of expression reflector plate, and Figure 41 B representes other structures of the major part of reflector plate, is the front view that is the state of hull shape.This light supply apparatus is provided with the chucking protuberance and tightens this chucking protuberance in the bight of framework part 52 chucking recess is to replace using two-sided tape to be used as the combination member that framework bight is partly combined.

52a is provided with roughly V-shaped excision portion 57 in the bight of framework part 52; Four framework parts 52 that will link to each other with four limits of plat part 51 at the first fold line 5b place are bent into when skewed with respect to plat part 51; Two edge part 57a, 57a of excision portion 57 are lumped together the state that utilizes chucking protuberance 59a and chucking recess 59b to keep this to lump together.

The front end of chucking protuberance 59a is provided with anti-card-tight part of throwing off usefulness.Chucking recess 59b is formed by otch, will tighten protuberance 59a and embed chucking recess 59b, thereby maintenance is with two states that edge part 57a, 57a lump together of excision portion 57 as Figure 40 A, Figure 40 B.

Because other structures and effect are identical with embodiment 1-1, therefore, to identical parts mark same numeral, the explanation of omitting its detailed description and action effect.

Embodiment 1-5

Figure 42, Figure 43 are the vertical views of other structures of the expression reflector plate that light supply apparatus possessed involved in the present invention.This light supply apparatus adopts following structure: promptly; Bight 52a in the framework part 52 of reflector plate 5 (B5) is provided with the roughly V-shaped excision portion 57 that 51a expands gradually from the bight; Four framework parts 52 that will link to each other with four limits of plat part 51 at the first fold line 5b place are bent into when skewed with respect to plat part 51, and two edge part 57b, 57b of excision portion 57 are overlapped along thickness direction.

In Figure 42; Edge part 57b, the 57b of short framework part 52b in four framework parts 52 coincides with the upside of long framework part 52c; In Figure 43; Marginal portion 57b, the 57b of long framework part 52c in four framework parts 52 coincides with the upside of short framework part 52b, and through above-mentioned coincidence, 52a can not produce the gap in the bight of framework part 52.

Because other structures and effect are identical with embodiment 1-1, therefore, to identical parts mark same numeral, the explanation of omitting its detailed description and action effect.

In addition, in embodiment 1 discussed above, use two-sided tape to be used as the combination member that the bight 52a with framework part 52 combines, but in addition, also can use the single face adhesive tape, in addition, also can use clip.In addition, also can utilize bonding agent that the bight 52a of framework part 52 is combined, to the not special restriction of associated methods.

Embodiment 2-1

Figure 44 amplifies the resulting cutaway view in back to the part of the structure of representing light supply apparatus involved in the present invention; Figure 45 omits the resulting vertical view in back to the part of light supply apparatus; Figure 46 decomposes the resulting schematic isometric in back to the part of light supply apparatus; Figure 47 is the vertical view of expression when not having reflector plate, and Figure 48 is the stereogram that the structure of lensed light emitting diode base plate is installed in expression, and Figure 49 is the stereogram of the structure of expression connector.

Illustrated light supply apparatus (B) is installed on the rear side of the display part in the possess display part thin-type display device of (A); Said display part (A) roughly is cuboid; Its front side has display surface; Comprise: a plurality of light emitting diodes 1 (B1), these a plurality of light emitting diodes 1 (B1) are arranged side by side into latticed as light source; Polylith light emitting diode base plate 2 (B3), this polylith light emitting diode base plate 2 (B3) is arranged side by side into multiple row, and said light emitting diode 1 is installed on the one face 2a; A plurality of connectors 3 (B4), these a plurality of connectors 3 (B4) are connected to each other adjacent light emitting diode base plate 2,2; A plurality of lens 4 (B2), these a plurality of lens 4 (B2) are installed on the face 2a of light emitting diode base plate 2, and relative with the top of light emitting diode 1, the light that this light emitting diode 1 is sent is dispersed; Reflector plate 5 (B5), this reflector plate 5 (B5) has the through hole 51 (B53) that is used at the said lens 4 of internal configurations, and said reflector plate 5 (B5) is relative with a face of a said face 2a and connector 3, and the light that lens 4 are dispersed reflects; And supporting mass 6 (B6), this supporting mass 6 (B6) supports multiple row light emitting diode base plate 2 abreast.

Light emitting diode base plate 2 is a face 2a and has the rectangle of circuit part, on a face 6a of roughly rectangular supporting mass 6, has been arranged side by side the said light emitting diode base plate 2 of multiple row discretely with width along its length.Shown in figure 47, on light emitting diode base plate 2 a face 2a separately, a plurality of light emitting diodes 1 are installed discretely along its length, be provided with connecting portion 21,22 at the length direction both ends of a face 2a.

Light emitting diode base plate 2 is arranged side by side into multiple row; Make an end of length direction relative; In such light emitting diode base plate 2; Be connected to each other with adjacent two connecting portions 21,21 of connector 3 each row light emitting diode base plate 2, with second connector (B41) with the connecting portion 22 of a light emitting diode base plate 2 with after the power circuit substrate stated be connected, the connecting portion 22 of another piece light emitting diode base plate 2 is connected with short circuit connector.

Connector 3 roughly is cuboid; Comprise plug 31 that is connected with a connecting portion 21 and the socket 32 that is connected with another connecting portion 21; When connector 3 is connected with connecting portion 21,21; A face of connector 3 is outstanding, and another face overlaps with a face 2a of light emitting diode base plate 2.

Reflector plate 5 has highly reflective by a slice and roughly rectangular synthetic resin sheet material forms corresponding to supporting mass 6; On the position relative with the outer edge part of connector 3; Offer to separating and relative two otch 52,52 (B56, B59) along the direction of sheet face, otch 52, forming between 52 can be to the bias part 53 of thickness direction bias.In addition, on reflector plate 5, offering through hole 51 respectively with on the lens 4 corresponding positions.

Figure 50 has carried out the vertical view that amplifies to the part relative with connector of reflector plate, and Figure 51 is the amplification stereogram of the part relative with connector of expression reflector plate to the state of thickness direction bias.Two minor face 52b, the 52b of the utilization long limit 52a relative, 52a and the side extension that the two ends of 52a, 52a shorten towards spacing distance from this length limit to separating along the direction of sheet face; Form two otch that roughly take the shape of the letter U 52,52 (B59); Non-notch 52c between otch 52,52 two ends separately, 52c link to each other with the bias part 53 of 52,52 at otch, and bias part 53 can be a bias starting point and to the thickness direction bias with non-notch 52c, 52c.

At two otch 52, between 52; Offer two second otch 54,54 that roughly take the shape of the letter U; The long limit 54a of the central portion of this second otch 54,54,54a separate with minor face 52b, 52b and relatively, and the minor face 54b at its both ends, 54b and long limit 52a, 52a separates and relatively.Non-notch 54c between the two ends of second otch 54,54,54c link to each other with central portion one side of long limit 52a, 52a, and bias part 53 can be a starting point and to the thickness direction bias with non-notch 54c, 54c.

At two second otch 54, between 54; Offer two three cutses that roughly take the shape of the letter U 55,55; The long limit 55a of the central portion of this three cuts 55,55,55a separate with minor face 54b, 54b and relatively, and the minor face 55b at its both ends, 55b and long limit 54a, 54a separates and relatively.Non-notch 55c between the two ends of three cuts 55,55,55c link to each other with central portion one side of long limit 54c, 54c, and bias part 53 can be a starting point and to the thickness direction bias with non-notch 55c, 55c.

Through hole 51 is diameter will big slightly circle than lens 4, and is latticed configuration, lens 4 is disposed at the inside of this through hole 51.

Shown in figure 48, along the length direction of light emitting diode base plate 2 for example 5 or 6 light emitting diodes 1 are installed discretely, will be respectively be installed on the face 2a with bonding agent with light emitting diode 1 corresponding 5 or 6 lens 4.

Lens 4 comprise transmittance section 41 and three locator protrusions 42; The top portion of said transmittance section 41 and light emitting diode 1 from and relatively; And have be used to make light that this light emitting diode 1 sent to around the hemispherical concave depressions of dispersing; Said locator protrusions 42 is relative with face 2a outstanding towards light emitting diode base plate 2 from this transmittance section 41, and transmittance section 41 is positioned with respect to light emitting diode base plate 2, and the front end of this locator protrusions 42 is installed on the face 2a through bonding agent.

Locator protrusions 42 is used for transmittance section 41 is disposed at the upside of reflector plate 5; In other words; Be used for reflector plate 5 is disposed at than transmittance section 41 more near light emitting diode base plate 2 one sides; Make the distance between transmittance section 41 and the light emitting diode base plate 2 longer slightly, produce some spaces, when thermal expansion takes place the heat that is produced when luminous because of light emitting diode 1 when reflector plate 5 thereby make between the face of lower surface and light emitting diode base plate 2 of transmittance section 41 than the thickness of reflector plate 5; Allow reflector plate 5 to stretch, produce fold to prevent reflector plate 5 because of this thermal expansion.

Supporting mass 6 is formed and is formed by metallic plate; The frame portion 62 that has roughly rectangular tabular board 61 and link to each other with the periphery of this board 61; On a face 6a of board 61, with width light emitting diode base plate 2 is taken in abreast and supported along its length.

Length direction one sidepiece at another face of board 61 is equipped with the power circuit substrate; This power circuit substrate is connected with the connecting portion 22 of light emitting diode base plate 2 through second connector, and the control circuit substrate that said display part is driven and controls is installed in the other side of length direction.In addition, at the length direction central portion of another face of board 61 signal processing circuit substrate is installed, said signal processing circuit substrate is handled the vision signal of the display surface that is shown in said display part.

For adopting the light supply apparatus of structure as stated; Supporting mass 6 is put on the operating desk; Make its open sides up, on a face 6a of the board 61 of this supporting mass 6, be arranged side by side multiple row along adjacent two light emitting diode base plates 2,2 of column direction; The connecting portion 21,21 of connector 3 with an adjacent end that is arranged at each row light emitting diode base plate 2,2 is connected, reflector plate 5 put on the face of each row light emitting diode base plate 2 and make them relative.The bias part 53 that the otch of reflector plate 5 is 52,52 is relative with another face of connector 3 and cover this connector 3, and lens 4 are embedded in each through hole 51 of reflector plates 5.

At this moment; Owing in each row, have connecting portion 21,22 on the face of adjacent light emitting diode base plate 2; The connector 3 that is connected with connecting portion 21 overlaps with a face 2a; Connector 3 is outstanding from a face 2a, therefore, the bias part 53 of the reflector plate 5 relative with a face of connector 3, is that the part of covering connector 3 is a starting point and to thickness direction bias gradually with non-notch 52c, 52c, non-notch 54c, 54c and non-notch 55c, 55c in other words.Like this; Because the parts relative with connector 3 of reflector plate 5 are bias gradually through otch 52,52, second otch 54,54 and three cuts 55,55; Therefore; The light reflective that the light that light emitting diode 1 is sent in the ability raising reflects to the direction with sheet face quadrature, thus can try hard to make brightness even.

Figure 52 is the cutaway view of structure that expression comprises the display unit of light supply apparatus involved in the present invention.This display unit comprises: display part 70 (A), the front side of this display part 70 (A) have the display surface that shows television image; Light supply apparatus A (B), this light supply apparatus A (B) is disposed at the rear side of this display part 70; And shell 71 (D), this shell 71 (D) covers the periphery of display part 70 and the rear side of light supply apparatus A.

Display part 70 comprises display floater 72 (A1) with display surface and the optical sheet 73 (C) that is disposed at these display floater 72 rear sides.Supporting frame 74 (A2) and back supporting frame 75 (A3) before utilizing carry out front and back clamping to the periphery of display floater 72, with the formation panel assembly, with after supporting frame 75 be installed on the periphery of supporting mass 6.

Optical sheet 73 is the duplexers that cascaded by thicker diffuser plate and thin synthetic resin sheet material; Said thicker diffuser plate spreads the light that the light emitting diode 1 as light source is sent, and said thin synthetic resin sheet material comprises reflection Polarizer, prismatic lens and diffusion sheet etc.

The frame portion 62 that supporting mass 6 has board 61 and links to each other with the periphery of this board 61 is supported on the periphery of said diffuser plate in this frame portion 62.

Split 71b (D2) after shell 71 has split 71a (D1) before the shell of the periphery front side that covers display part 70 and covers the shell of dark dish type of periphery and rear side of light supply apparatus A utilizes external screw that said shell 71 is installed in the frame portion 62 of supporting mass 6.

Embodiment 2-2

Figure 53 is the amplification plan view of other structures of the notch of the expression reflector plate that light supply apparatus possessed.This light supply apparatus is provided with roughly L-shaped otch 56,56; By to the long limit 56a that separates along the direction of sheet face, 56a, and two minor face 56b, the 56b of the side extension that the end of 56a, 56a shortens towards spacing distance from this length limit; To replace two otch that roughly take the shape of the letter U 52,52 of reflector plate 5; This otch 56,56 is relative, makes the long limit 56a of each bar, 56a and minor face 56b, 56b roughly be quadrangle each other.Non-notch 56c between otch 56,56 two ends separately, 56c link to each other with the bias part 53 of 56,56 at otch, and bias part 53 can be a starting point and to the thickness direction bias with non-notch 56c, 56c.

Between said two otch; Offer two relative otch 57,57; These two otch 57,57 are roughly L-shaped respectively; And separately long limit 57a, 57a and minor face 57b, 57b roughly are quadrangle each other, and make this two otch 57,57 bight separately relative with non-notch 56c, 56c between said otch 56,56 two ends separately respectively.Non-notch 57c between otch 57,57 two ends separately, 57c link to each other with central portion one side of otch 56,56, and bias part 53 can be a starting point and to the thickness direction bias with non-notch 57c, 57c.

In this embodiment, the bias part 53 of the reflector plate 5 relative with connector 3 is a starting point to thickness direction bias gradually with non-notch 56c, 56c and non-notch 57c, 57c.Like this; Because the parts relative with connector 3 of reflector plate 5 are bias through otch 56,56 and otch 57,57 and gradually; Therefore, can improve the light reflective that light that light emitting diode 1 is sent reflects to the direction with sheet face quadrature, thereby can try hard to make brightness even.

Because other structures and effect are identical with embodiment 2-1, therefore, to identical parts mark same numeral, the explanation of omitting its detailed description and action effect.

Embodiment 2-3

Figure 54 is the vertical view of other structures of the notch of the expression reflector plate that light supply apparatus possessed.This light supply apparatus is used along sheet face direction and is separated and parallel relative paired otch 58,58 (B56) replaces two otch that roughly take the shape of the letter U 52,52 of reflector plate 5 or roughly L-shaped otch 56,56; This paired otch 58,58 is arranged side by side into the direction (with the direction of row quadrature or the direction of intersecting) that is arranged side by side of the light emitting diode base plate 2 of multiple row to be separated to the edge, and relative direction is alternately changed.In other words; The part relative with the connector that is connected to a row light emitting diode base plate 23 separated and relatively along column direction; Make and separate with the direction of column direction quadrature with the connector 3 relative part edges of light emitting diode base plate 2 that are connected to adjacent row and relatively, with these along of be arranged side by side the at interval alternately configuration of the relative paired otch 58,58 of different directions with said multiple row.Along under the identical situation of the relative direction of the paired otch that is arranged side by side the direction configured separate 58,58 of light emitting diode base plate 2; Because paired otch 58,58 is arranged in parallel; Non-notch 58a between the two ends of otch 58,58,58a direction are identical; Therefore, can reduce the dispersiveness of reverberation in bias portion, but under with being arranged side by side the at interval alternately situation of configuration of paired otch 58,58 with said multiple row; The dispersiveness of reverberation in bias portion can be improved, thereby the appropriate brightness characteristic can be guaranteed.

Parallel relative two otch 58,58 are starting point and to the thickness direction bias with non-notch 58a, 58a between the two ends of otch 58,58.Adjacent two otch 58,58 are along the direction configuration that makes non-notch 58a, 58a quadrature.

In this embodiment; The light emitting diode base plate that is arranged side by side into multiple row 2 be arranged side by side the piece number, in other words be being arranged side by side under the more situation of number of connector 3; Can reduce the gradient that the bias because of the part relative with each connector 3 produces; The light reflective of edge and the direction of sheet face quadrature can be improved, thereby the appropriate brightness characteristic can be guaranteed.

Because other structures and effect are identical with embodiment 2-1, therefore, to identical parts mark same numeral, the explanation of omitting its detailed description and action effect.

Embodiment 2-4

Figure 55 is the vertical view of other structures of the notch of the expression reflector plate that light supply apparatus possessed.This light supply apparatus utilizes helical otch 59 to form bias part 53, to replace forming bias part 53 with separating relative otch.

Otch 59 adopts following structure: promptly, from starting point to terminal twist, when connecting with connector 3, integral body bias gradually between the two ends of otch 59.

Because other structures and effect are identical with embodiment 1, therefore, to identical parts mark same numeral, the explanation of omitting its detailed description and action effect.

Embodiment 2-5

Figure 56 is the vertical view of other structures of the notch of the expression reflector plate that light supply apparatus possessed.This light supply apparatus is roughly tetragonal spiral otch 50 and forms bias part 53 with being, to replace forming bias part 53 with rounded spiral otch 59.

Otch 50 adopts following structure: promptly, is from starting point to terminal and is roughly tetragonal spirality, and when connecting with connector 3, integral body bias gradually between the two ends of otch 50.

In this embodiment; Even the light emitting diode base plate that is arranged side by side into multiple row 2 be arranged side by side the piece number, in other words be being arranged side by side under the more situation of number of connector 3; Also can guarantee the spacing distance of otch 50, thereby can increase the number that is arranged side by side of otch 50.

Because other structures and effect are identical with embodiment 2-1, therefore, to identical parts mark same numeral, the explanation of omitting its detailed description and action effect.

Embodiment 2-6

Figure 57 is the vertical view of other structures of the notch of the expression reflector plate that light supply apparatus possessed.One of them otch that this light supply apparatus makes two otch 52,52 that roughly take the shape of the letter U is to the direction bias of intersecting with the relative direction of otch 52,52; Minor face 52b, the 52b edge at the both ends of each otch 52,52 are separated and relatively, to replace that the two ends of two otch 52,52 that roughly take the shape of the letter U are close and relative structure with the direction of said relative direction quadrature.

Two bights of the minor face 52b at the both ends of two otch 52,52,52b and each otch 52,52 are relative; Non-notch 52c, 52c between two bights of the two ends of two otch 52,52 and each otch 52,52 link to each other with the bias part 53 of 52,52 at otch, and bias part 53 can be a starting point and to the thickness direction bias with non-notch 52c, 52c.

In this embodiment; There is bias part 53 at 52,52 at the otch that roughly takes the shape of the letter U; The bias part 53 of the reflector plate 5 relative with connector 3 can make the distance between non-notch 52c, 52c become longer, is starting point and to thickness direction bias gradually thereby can make bias part 53 with non-notch 52c, 52c.Like this; Because part reflector plate 5 and that connector 3 is relative is bias gradually through the distance of growing between non-notch 52c, 52c; Therefore, can improve the light reflective that light that light emitting diode 1 is sent reflects to the direction with sheet face quadrature, thereby can try hard to make brightness even.

Because other structures and effect are identical with embodiment 2-1, therefore, to identical parts mark same numeral, the explanation of omitting its detailed description and action effect.

In addition, in embodiment 2-1 discussed above～embodiment 2-6, like Figure 45, shown in Figure 46; With being arranged side by side on the corresponding all positions of number of the light emitting diode base plate that is arranged side by side into multiple row 2; All dispose by formed bias parts 53 such as otch 52, but in addition, also can shown in Figure 58, Figure 60, that kind dispose bias part 53; In addition; Can adopt following structure: promptly, that kind is not provided with bias part 53 shown in Figure 59 yet, replaces bias part 53 but through hole is set.Figure 58 to Figure 60 is the stereogram of other structures of expression reflector plate.In Figure 58, only be provided with formed bias parts 53 such as otch 52 with the light emitting diode base plate that the is arranged side by side the direction two ends 2 corresponding positions of the light emitting diode base plate that is arranged side by side into multiple row 2.In Figure 59, only be provided with the through hole 59 bigger than connector with the light emitting diode base plate that the is arranged side by side the direction two ends 2 corresponding positions of the light emitting diode base plate that is arranged side by side into multiple row 2.In Figure 60; With the light emitting diode base plate that the is arranged side by side the direction two ends 2 corresponding positions of the light emitting diode base plate that is arranged side by side into multiple row 2 on; Be provided with the through hole 59 bigger than connector; On the light emitting diode base plate 2 pairing positions adjacent, be provided with by formed bias parts 53 such as said otch 52 with the light emitting diode base plate that is arranged side by side the direction two ends 2.In the mode of Figure 58 and Figure 60,, therefore, can position with respect to supporting mass 6, thereby can prevent that reflector plate 5 from misplacing reflector plate 5 owing in bias part 53, dispose connector.In the mode of Figure 59,, therefore, can position with respect to supporting mass 6, thereby can prevent that reflector plate 5 from misplacing reflector plate 5 owing in through hole 59, dispose connector.

Embodiment 3-1

Figure 61 is the longitudinal sectional view of schematic representation display unit.

In the drawings, label 1 is the display floater (A1) with rectangle of liquid crystal, and this display floater 1 has following structure: promptly, control puts on the voltage of liquid crystal, and adjustment optical transmission rate is with display video.Keep framework 2 (A2) and back to keep framework 3 (A3) before utilizing, grasp the periphery of display floater 1, and it is accommodated in the rectangular box-like front casing 4 (D1).Keep before this front casing 4 is disposed at framework 2 and back keep framework 3 around.Front casing 4 has the opening of rectangle, and the size of this opening is corresponding with the size of display floater 1.The rear side of display floater 1 is provided with a plurality of optical sheets 5 (C), said a plurality of optical sheets 5 (C) with after the light of the LED9 (light-emitting component) that states focus on to display floater 1.

The rear side of this optical sheet 5 (C) is provided with diffuser plate 6, and this diffuser plate 6 spreads the light of LED9 (B1) equably.Edge part with the support plate 7 (B6) of dark dish type assigns to support this diffuser plate 6.On the front surface of support plate 7 (B6), be arranged side by side polylith LED substrate 8 (B3); On the back surface of this LED substrate 8; Be formed with by thermal conductivity material, the formed membranaceous radiating pattern of for example metal (not shown); Thereby have following structure: promptly, the heat that LED substrate 8 is produced when coming through lighting LED9 spreads to support plate 7 from radiating pattern, to improve the thermal diffusivity of LED substrate 8.

On the front surface of this LED substrate 8, be equipped with a plurality of LED9,9 ..., 9 (B1), each LED9,9 ..., 9 front side dispose respectively the lens 10,10 that make light that diffusion take place ..., 10 (B2).At the periphery of these lens 10, along circumferentially being arranged side by side oriented LED substrate 8 one side-prominent three projection 10a, 10a, 10a (B22), the front end of this projection 10a is installed on the front surface of LED substrate 8 through bonding agent.

Be respectively arranged with the supporting station (not shown) that the reflector plate 11 (B5) to dark dish type supports about said support plate 7.On the bottom surface of this reflector plate 11, offer a plurality of sheet materials hole 11a (B53) that supplies said lens 10 to insert.Each lens 10 passes said sheet material hole 11a and is side-prominent forward.

The rear side of support plate 7 is provided with the rear casing 12 (D2) of dark dish type.The longitudinal size and the lateral dimension of the longitudinal size of this rear casing 12 and lateral dimension and front casing 4 are basic identical, and the marginal portion of the marginal portion of rear casing 12 and front casing 4 against each other.On the marginal portion of front casing 4 and rear casing 12, be respectively arranged with not shown engaging protuberance and engaging recessed part, make this engaging recessed part and engage the protuberance engaging, so that front casing 4 is fixed in rear casing 12.In addition; In rear casing 12, take in control circuit substrate that display floater 1 is driven and controls and the polylith circuit substrates (not shown) such as signal processing circuit substrate that the vision signal on the display surface that is shown in display floater 1 is handled; Output signal based on from this circuit substrate drives display floater 1.

Figure 62 is that schematic representation is provided with the LED9 of reflector plate and the front view of LED substrate 8, and Figure 63 is the cutaway view of the I-I line of schematic representation rivet, Figure 62.

On LED substrate 8 (B3), a plurality of substrate aperture 8a (B33, B34) equally spaced have been arranged side by side along the long side direction of LED substrate 8.Shown in Figure 63, on said support plate 7 (B6), with the corresponding position of said substrate aperture 8a on offer a plurality of through hole 7a (B64).The diameter of this through hole 7a and the diameter of substrate aperture 8a are basic identical.On reflector plate 11 (B5), with the corresponding position of substrate aperture 8a on offer inserting hole 11b (B54), this inserting hole 11b has the diameter bigger than substrate aperture 8a.

Shown in Figure 62, at said lens each other, be respectively arranged with plastic rivet 20 (B7), quilting rivet 30 and supporting rivet 40 (B8).

Also can adopt following structure: promptly; In substrate aperture 8a and through hole 7a, insert by the formed rivet 20 of carbon source materials; To replace plastic rivet 20, said rivet 20 for example also can be formed by metal, utilizes this rivet 20 that LED substrate 8 is fixed on the support plate 7.Plastic rivet 20 comprises to be accepted rivet 22 (B71), and inserts rivet 21 (B72).

Accept the 22a of fastening portion (B71a) that rivet 22 has the diameter ring-type bigger than the diameter of said substrate aperture 8a, the outer peripheral portion of the 22a of this fastening portion is positioned at the outside of substrate aperture 8a, the inboard of inserting hole 11b, and fastening is in the marginal portion of substrate aperture 8a.On the interior circumferential portion of the 22a of fastening portion, along circumferentially being arranged side by side a plurality of elastic portion 22b.This elastic portion 22b is axially outstanding along the 22a's of fastening portion, inserts logical substrate aperture 8a and through hole 7a.The axial dimension of elastic portion 22b is bigger than the axial dimension of substrate aperture 8a and through hole 7a, and stretch out from through hole 7a vertically the outstanding end of elastic portion 22b.

On the outstanding end of elastic portion 22b, be provided with the abutting part 22c that the radially inner side to the 22a of fastening portion stretches out with elastic portion 22b with being integral, between this abutting part 22c, 22c, be provided with gap (B71b).

The inboard of abutting part 22c with after the 21b of the foot butt stated, through the butt of the 21b of this foot, make elastic portion 22b crooked laterally, elastic portion 22b is contacted with the marginal portion of through hole 7a.Therefore, between 22a of fastening portion and elastic portion 22b, LED substrate 8 and support plate 7 in the front and back clamping.

Said insertion rivet 21 has the diameter head 21a (B72a) bigger than said inserting hole 11b, is provided with the rectangular columniform 21b of foot with head 21a at the central part of this head 21a.Fore-end at the 21b of this foot is formed with tapering 21ba, and the diameter forward end of the 21b of foot is diminished gradually.The size of the diameter of the 21b of foot the head 21a near and the internal diameter of the said fastening 22a of portion is basic identical, and the size when not inserting the 21b of foot between the said abutting part 22c is big.In addition, stretch out to the 21b of foot one side the marginal portion of head 21a, the marginal portion of head 21a stretch out width than the axial dimension of the said fastening 22a of portion, be that the gauge of the 22a of fastening portion is little.

The 21b of foot that inserts rivet 21 inserts the fastening 22a of portion, and the fore-end of the 21b of foot inserts in the gap between the abutting part 22c.On the fore-end of the 21b of foot, be formed with tapering 21ba, strut said gap through inserting the 21b of foot.Elastic portion 22b is crooked laterally, and connects with the marginal portion of through hole 7a.

Head 21a and the 22a of fastening portion connect, and head 21a does not contact with reflector plate 11.Between the marginal portion of the head 21a that stretches out to the 21b of foot one side and reflector plate 11, be provided with a little gap; When thermal expansion takes place because of light that LED9 sent in reflector plate 11; Allow reflector plate 11 to stretch, produce fold to prevent reflector plate 11 because of this thermal expansion.Utilize the edge part of head 21a to assign to keep reflector plate 11, to suppress this reflector plate 11 to the thickness direction bias.Utilize elastic portion 22b and the 22a of fastening portion, come clamping support plate 7 and LED substrate 8 with suitable pressure, thereby make LED substrate 8 be close to support plate 7.

Then, said quilting rivet 30 is described.Figure 64 is the cutaway view of the II-II line of schematic representation quilting rivet 30, Figure 62.On the suitable position of said support plate 7 and LED substrate 8, offer locating hole 7b, 8b (B60, B35) respectively, each locating hole is adjacent with substrate aperture 8a with through hole 7a respectively.Utilize support plate 7 and LED substrate 8, be configured to each locating hole coaxial.

Shown in Figure 62, on said reflector plate 11, offer the inserting hole 11c (B57) of the keyhole that a circular part stretches out laterally, through hole 7a and substrate aperture 8a are positioned at the circular portion of inserting hole 11c.Locating hole 7b, 8b are positioned at the part that inserting hole 11c stretches out.The width dimensions of the part that inserting hole 11c stretches out is bigger slightly than locating hole 7b, 8b.In said through hole 7a, substrate aperture 8a and locating hole 7b, 8b, be inserted with quilting rivet 30 (B7, B73).

Quilting rivet 30 comprises to be accepted rivet 22 (B71), and inserts rivet 31 (B72).In addition, quilting rivet 30 accept rivet 22 have with said rivet 21 accept the identical structure of rivet, mark identically with reference to label, omit its detailed description.

Insert rivet 31 and comprise the head 31a (B72a) that diameter is bigger than said inserting hole 11c, this head 31a ovalize.Be provided with the rectangular columniform 31b of foot with head 31a in the end of head 31a.Fore-end at the 31b of this foot is formed with tapering 31ba, and the diameter forward end of the 31b of foot is diminished gradually.The diameter of the 31b of the foot head 31a near and the internal diameter size of the said fastening 22a of portion are basic identical, and the size when not inserting the 31b of foot between said abutting part 22c is big.Be provided with and the rectangular columniform location division 31c of head 31a (B73) in another end of head 31a.The diameter of this location division 31c is slightly littler than the diameter of locating hole 7b, 8b.Size between size between location division 31c and the 31b of foot and through hole 7a and substrate aperture 8a and locating hole 7b, the 8b is basic identical.In addition, stretch out to the 31b of foot one side the marginal portion of head 31a, the marginal portion of head 31a stretch out width than the axial dimension of the said fastening 22a of portion, be that the gauge of the 22a of fastening portion is little.

Said location division 31c is inserted locating hole 7b, 8b; Reflector plate is moved along the width of the extension of inserting hole 11c, in this case, because the edge of the extension of location division 31c and inserting hole 11c connects; Therefore, can position reflector plate.

The 31b of foot that inserts rivet 31 is inserted the fastening 22a of portion, the fore-end of the 31b of foot is inserted in the gap between the abutting part 22c.Fore-end at the 31b of foot is formed with tapering 31ba, struts said gap through inserting the 31b of foot.Elastic portion 22b is crooked laterally, and connects with the marginal portion of through hole 7a.

Head 31a and the 22a of fastening portion connect; Head 31a does not contact with reflector plate 11; Between head 31a and reflector plate 11, be provided with a little gap; When thermal expansion takes place because of light that LED9 sent in reflector plate 11, allow reflector plate 11 to stretch because of this thermal expansion, produce folds to prevent reflector plate 11.Utilize the edge part of head 31a to assign to pin reflector plate 11.Utilize elastic portion 22b and the 22a of fastening portion, come clamping support plate 7 and LED substrate 8 with suitable pressure, thereby make LED substrate 8 be close to support plate 7.

Below, supporting rivet 40 is described.Figure 65 is the cutaway view of the III-III line of schematic representation supporting rivet 40, Figure 62.

Supporting rivet 40 (B8) comprises to be accepted rivet 22 (B81), and inserts rivet 41 (B82).In addition, supporting rivet 40 accept rivet 22 have with said rivet 21 or quilting rivet accept the identical structure of rivet, mark identically with reference to label, omit its detailed description.Shown in Figure 62, on reflector plate 11, with the corresponding position of substrate aperture 8a (B65) on offer inserting hole 11d (B55), this inserting hole 11d has than substrate aperture 8a (B65) and wants big diameter.

Insert rivet 41 and have the diameter head 41a (B82a) bigger, be provided with the rectangular columniform 41b of foot with head 41a at the central part of this head 41a than inserting hole 11d.Fore-end at the 41b of this foot is formed with tapering 41ba, and the diameter forward end of the 41b of foot is diminished gradually.The diameter of the 41b of the foot head 41a near and the internal diameter size of the said fastening 22a of portion are basic identical, and the size when not inserting the 41b of foot between said abutting part 22c is big.In addition, stretch out to the 41b of foot one side the marginal portion of head 41a, the marginal portion of head 41a stretch out width than the axial dimension of the said fastening 22a of portion, be that the gauge of the 22a of fastening portion is little.

Front end form curved conical support 41c (B83) vertically from the head the central part of the side opposite of 41a with the 22a of fastening portion stretch out.This support 41c supports said diffuser plate 6.

The 41b of foot that inserts rivet 41 is inserted the fastening 22a of portion, the fore-end of the 41b of foot is inserted in the gap between the abutting part 22c.Fore-end at the 41b of foot is formed with tapering 41ba, comes to strut gradually said gap through inserting the 41b of foot.Elastic portion 22b is crooked laterally, and connects with the marginal portion of through hole 7a.

Head 41a and the 22a of fastening portion connect; Head 41a does not contact with reflector plate 11; Between head 41a and reflector plate 11, be provided with a little gap; When thermal expansion takes place because of light that LED9 sent in reflector plate 11, allow reflector plate 11 to stretch because of this thermal expansion, produce folds to prevent reflector plate 11.Utilize the edge part of head 41a to assign to pin reflector plate 11.Utilize elastic portion 22b and the 22a of fastening portion, come clamping support plate 7 and LED substrate 8 with suitable pressure, thereby make LED substrate 8 be close to support plate 7.

In the related display unit of embodiment 3-1; Owing between a face of the head of rivet 20, quilting rivet 30 and supporting rivet 40 and LED substrate 8, dispose reflector plate 11; Between head and said reflector plate 11, be provided with the gap, therefore, under the situation that rapid thermal change takes place; Reflector plate 11 can stretch between head and said reflector plate 11, thereby can prevent that reflector plate 11 from producing fold.

In addition; The head and the 22a of fastening portion of rivet 20, quilting rivet 30 and supporting rivet 40 are connected; Thereby can under the state that is provided with a little gap between the marginal portion of head and the reflector plate 11, keep, thereby can prevent that reflector plate 11 from producing folds reflector plate 11.In addition; With the said fastening 22a of portion fastening under the state of the marginal portion of substrate aperture 8a; Elastic portion 22b is inserted substrate aperture 8a and through hole 7a, with the insertion fastening 22a of portion of foot of rivet 20, quilting rivet 30 or supporting rivet 40 and make it and abutting part 22c connects.At this moment, because elastic portion 22b is radially outwardly-bent through elastic deformation, crooked elastic portion 22b contacts with the marginal portion of through hole 7a, therefore, can utilize 22a of fastening portion and elastic portion 22b to grasp LED substrate 8 and support plate 7.

In addition, location division 31c is inserted said locating hole 7b, 8b, thereby under the situation that reflector plate 11 rotates, reflector plate 11 can connect, thereby can stop reflector plate 11 to rotate with location division 31c.Therefore, can position reflector plate 11 reliably.

In addition,, and utilize support 41c to support diffuser plate 6, therefore, can prevent that diffuser plate 6 from bending, and can reduce number of components and parts owing to 40 pairs of reflector plates 11 of supporting rivet keep.

In addition, in the related display unit of embodiment 3-1, on support plate 7 and LED substrate 8, offer locating hole 7b, 8b respectively, but also can only on LED substrate 8, offer locating hole 8b.Self-evident, in this case, the axial dimension of location division 31c is corresponding with the axial dimension of locating hole 8b.In addition, the related display unit of embodiment uses LED9 to be used as light-emitting component, but also can use LD (laser diode (Laser Diode)) etc.In addition, also can be at the last support 41c that further is provided with of head 31a, 41a that inserts rivet 21,31.

Embodiment 3-2

Figure 66 A, Figure 66 B are the amplification views of other structures that the part of support plate 7 is fixed in LED substrate 8 in expression.Figure 66 A has to replace having with single rivet 50 (B7) and accepts rivet 22 (B71) and the rivet 20 (B7) that inserts rivet 21 (B72) LED substrate 8 (B3) is fixed in the structure of support plate 7 (B6), and Figure 66 B has the structure that LED substrate 8 is fixed in support plate 7 with external screw 60 (B7) replacement rivet.

The rivet 50 (B7) of Figure 66 A comprises head 50a (B72a), stage portion 50b and a plurality of 50c of foot; The diameter of said head 50a is bigger than inserting hole 11b; Said stage portion 50b links to each other with the central part of this head 50a, and its diameter is bigger than substrate aperture 8a (B33a, B34a), and said a plurality of 50c of foot link to each other with the central part of this stage portion 50b; And being inserted into through hole 7a (B64), the front end of the 50c of this foot is provided with the claw 50d of the bore edges portion that is clamped in through hole 7a.

In this structure, the 50c of foot is inserted substrate aperture 8a, through hole 7a from inserting hole 11b, thereby make claw 50d be clamped in the bore edges portion of through hole 7a, the bore edges portion of stage portion 50b and substrate aperture 8a is connected, so that LED substrate 8 is fixed in support plate 7.Between the marginal portion of head 50a and reflector plate 11, be provided with a little gap, when reflector plate 11 because of light that LED9 sent thermal expansion takes place, allow reflector plate 11 to stretch, thereby reflector plate 11 can not produce fold because of this thermal expansion.

The external screw 60 (B7) of Figure 66 B comprises head 60a (B72a), stage portion 60b, stage portion 60c and screw axial region 60d; The diameter of said head 60a is bigger than inserting hole 11b; Said stage portion 60b links to each other with the central part of this head 60a; Its diameter is bigger than substrate aperture 8a (B33a, B34a), and said stage portion 60c links to each other with the central part of this stage portion 60b, and its diameter is bigger than through hole 7a (B64); Said screw axial region 60d links to each other with the central part of this stage portion 60c, and is screwed into through hole 7a.

In this structure; Screw axial region 60d one side of external screw 60 is inserted substrate aperture 8a from inserting hole 11b; 60d is screwed into through hole 7a with the screw axial region, thereby the bore edges portion of stage portion 60c and through hole 7a is connected, so that external screw 60 is fixed in support plate 7; And the bore edges portion of stage portion 60b and substrate aperture 8a is connected, so that LED substrate 8 is fixed in support plate 7.Between the marginal portion of head 60a and reflector plate 11, be provided with a little gap, when reflector plate 11 because of light that LED9 sent thermal expansion takes place, allow reflector plate 11 to stretch, thereby reflector plate 11 can not produce fold because of this thermal expansion.

Embodiment 4

Figure 67 is the cutaway view of major part of the structure of expression light supply apparatus involved in the present invention; Figure 68 is the vertical view of the part of said light supply apparatus; Figure 69 decomposes the resulting vertical view in back to the part of said light supply apparatus; Figure 70 is the vertical view of a part of member of said light supply apparatus; Figure 71 and Figure 72 amplify the resulting vertical view in back to the part of said light supply apparatus, and Figure 73 and Figure 74 are the stereograms that the structure of lensed light emitting diode base plate is installed in expression, and Figure 75 is the cutaway view of an example of expression fixture.

Light supply apparatus comprises: polylith light emitting diode base plate 2 (B3), and this polylith light emitting diode base plate 2 (B3) is separated from each other and is arranged side by side, and a plurality of light emitting diodes 1 (B1) are installed on a face 2a; A plurality of lens 3 (B2), these a plurality of lens 3 (B2) are installed on the face 2a of this light emitting diode base plate 2, and relative with the top of each light emitting diode 1, the light that this light emitting diode 1 is sent spreads; Reflector plate 4 (B5), this reflector plate 4 (B5) has the through hole 41 (B53) that is used at these lens 3 of internal configurations, puts on a face 2a of light emitting diode base plate 2, and the light that light emitting diode 1 is sent reflects; A plurality of connectors 5 (B4), these a plurality of connectors 5 (B4) are connected to each other adjacent light emitting diode base plate 2,2; And supporting mass 6 (B6), this supporting mass 6 (B6) is positioned at another face 2b one side of light emitting diode base plate 2, and polylith light emitting diode base plate 2 is supported.

Have circuit part on the face 2a of light emitting diode base plate 2 (B3), be long and the wide bigger rectangle (rectangle) of ratio.On light emitting diode base plate 2 a face 2a separately, with essentially identical interval a plurality of light emitting diodes 1 are installed with being separated from each other along long side direction.Light emitting diode base plate 2 is the single face substrates that only have conductive part face 2a one side.The long side direction of the light emitting diode base plate 2 of polylith rectangle is unified into equidirectional, they are arranged side by side on a face 6a of roughly rectangular supporting mass 6 along long side direction and width with being separated from each other.

In Figure 69; Show following example: promptly; The light emitting diode base plate that 6 light emitting diodes 1 are installed 2 is disposed at central authorities; Dispose the light emitting diode base plate 2 that 5 light emitting diodes 1 are installed in its both sides, three light emitting diode base plates 2 that are thus connected into a row shape are arranged side by side 8 row, and make the installation interval of the light emitting diode 1 on the light emitting diode base plate 2 basic identical on width.The edge is basic identical with the size of each light emitting diode base plate 2 on long side direction that the direction of the row quadrature of the light emitting diode base plate that is configured to a row shape 2 is arranged.And the light emitting diode 1 on all light emitting diode base plates 2 is configured with interval roughly the same on two dimension.

Long side direction both ends at a face 2a of light emitting diode base plate 2 are provided with connecting portion 21,22 (B31, B32).In being arranged side by side into three light emitting diode base plates 2 of a row shape, the connecting portion 21,21 of adjacent light emitting diode base plate 2 is connected through connector 5 (B4) each other.In addition, of the back, the connecting portion 22 of light emitting diode base plate 2 that is positioned at an end of row is connected with the power circuit substrate through connector (B41), and the connecting portion 22 of light emitting diode base plate 2 that is positioned at the other end of row is connected with short circuit connector.

Lens 3 (B2) comprise transmittance section 31 (B21) and three locator protrusions 32 (B22); The top portion of said transmittance section 31 (B21) and light emitting diode 1 from and relatively; And have be used to make light that this light emitting diode 1 sent to around the hemispherical concave depressions of diffusion; Said locator protrusions 32 (B22) is relative with face 2a outstanding towards light emitting diode base plate 2 from this transmittance section 31; Lens 3 are positioned with respect to light emitting diode base plate 2, and the front end of this locator protrusions 32 is installed on the face 2a through bonding agent.Transmittance section 31 forms slightly forr a short time than the through hole 41 of reflector plate 4.

Reflector plate 4 (B5) is by having light reflective and roughly rectangular a slice synthetic resin sheet material forms corresponding to supporting mass 6; Respectively with lens 3 corresponding positions on; Offer be circle that diameter will be big slightly than transmittance section 31, be configured to latticed through hole 41 (B53); With connector 5 corresponding positions on, offer roughly rectangular, can supply connector 5 to insert the second logical through holes 42.

In the light emitting diode base plate 2 of rectangle end and another end along long side direction, offer and supply rivet 8 (B7) to insert logical two inserting hole 2c, 2d (B33, B34), said rivet 8 (B7) is used for light emitting diode base plate 2 is supported on supporting mass 6.Each inserting hole 2c, 2d are between two adjacent lens 3.The size along the substrate long side direction of an inserting hole 2c (B33) among two inserting hole 2c, the 2d is littler than the size of another inserting hole 2d (B34).Particularly, an inserting hole 2c is a circular hole, and another inserting hole 2d is Long Circle long on the substrate long side direction.Dispose each light emitting diode base plate 2, make the less inserting hole 2c of size adjacent one another are on the end that the light emitting diode base plate that is arranged side by side into a row shape 2 is connected with larger-size inserting hole 2d.

Eight light emitting diode base plates 2 with the direction of the row quadrature of the light emitting diode base plate that is arranged side by side into a row shape 2 on adjacent; On said eight light emitting diode base plates 2; Eight inserting hole 2c interleaved shape configurations of end one side, eight inserting hole 2d interleaved shape configurations of another end one side.Particularly; Adopt following structure: promptly; The inserting hole 2c of end one side alternately is disposed on the position and the position near one of lenses near lens of two lens 3 that are arranged in end one side; Likewise; The inserting hole 2d of another end one side alternately is disposed on the position and the position near one of lenses near lens of two lens 3 that are arranged in another end one side; With insert led to inserting hole 2c with inserting hole 2d the rivet 8 that supporting mass 6 is fixed at the both ends of light emitting diode base plate 2 is configured to staggered, thereby can disperse influence by rivet 8 caused brightness declines, can suppress the brightness irregularities of illumination light.

Supporting mass 6 is formed and is formed by metallic plate; The frame portion 62 (B62) that has roughly rectangular flat board 61 (B61) and link to each other with the periphery of this board 61; On a face 6a of board 61, take in light emitting diode base plate 2 abreast and it is supported along long side direction and width.At the board 61 of supporting mass 6, be provided with through hole 61a (B64) accordingly with each inserting hole 2c of light emitting diode base plate 2, the position of 2d.

Shown in Figure 75; Rivet 8 (B7) comprising: barrel member 81 (B71); This barrel member 81 (B71) has and can inserting hole 2c, 2d and through hole 61a be inserted logical external diameter g1; The one of which end is provided with the flange part 81a (B71a) that can not run through inserting hole 2c, 2d and through hole 61a, and the internal diameter g3 of its other end is littler than the internal diameter g2 of an end; And shaft component 82 (B72), this shaft component 82 (B72) has the end that can insert this barrel member 81 and diameter than big axial region 82a of the internal diameter g3 of the other end and the head 82b (B72a) that can not run through inserting hole 2c, 2d and through hole 61a.Barrel member 81 is processed by the synthetic resin material with shaft component 82.

On reflector plate 4, offering the 3rd through hole 43 (B54) of the slotted hole shape that links to each other with through hole 41 with rivet 8 corresponding positions, the 3rd through hole 43 (B54) has the big diameter of diameter than the head 82b of shaft component 82, makes that to supply rivet 8 to insert logical.With the direction of the row quadrature of light emitting diode base plate 2 on adjacent the 3rd through hole 43 interleaved shapes configuration, the shape of slotted hole that links to each other with a through hole in the through hole 41 of both sides and the slotted hole that links to each other with another through hole alternately changes.

As stated; Rivet 8 for the 3rd through hole 43 of inserting each the inserting hole 2c, 2d and the reflector plate 4 that lead to light emitting diode base plate 2; With the direction of the row quadrature of light emitting diode base plate 2 on eight rivets, the 8 interleaved shapes configuration of end one side of adjacent eight light emitting diode base plates 2; Eight rivets, the 8 interleaved shapes configuration of another end one side, thus influence can be disperseed by rivet 8 caused brightness declines, can suppress the brightness irregularities of illumination light.

Then, the step that three light emitting diode base plates 2 that will connect into a row shape with rivet 8 is supported on the supporting mass 6 describes.At first; After position alignment with each through hole 61a of inserting hole 2c, 2d and the supporting mass 6 of each light emitting diode base plate 2; Make barrel member 81 insert logical less inserting hole 2c and the through hole 61a of size, and a face 2a of flange part 81a and light emitting diode base plate 2 is connected from face 2a one side of each light emitting diode base plate 2.Then, if insert the axial region 82a of shaft component 82, connect until the flange part 81a of its head 82b and barrel member 81, then the leading section of barrel member 81 can be strutted by the axial region 82a of shaft component 82 laterally.Because the leading section of the barrel member 81 that strutted is laterally pushed the axial region 82a of shaft component 82 to the inside and it is kept; And the leading section of the barrel member after the enlarged-diameter 81 can't be inserted the through hole 61a of logical supporting mass 6; Therefore, can utilize rivet 8 that each light emitting diode base plate 2 is fixed in supporting mass 6.

Such after less inserting hole 2c has installed rivet 8 to size as stated, similarly larger-size inserting hole 2d is installed rivet 8, thereby utilize rivet 8 to make each light emitting diode base plate 2 be fixed in supporting mass 6.At this moment, when utilizing connector 5 between adjacent light emitting diode base plate 2, to connect, the position of two substrates misplaces from the appropriate position along the substrate width direction; In this case; The through hole 61a of supporting mass 6 is not positioned at the central authorities of inserting hole 2d, but owing to increased the size along the substrate width direction of inserting hole 2d, therefore; Through hole 61a can not break away from the scope of inserting hole 2d, thereby can make rivet 8 insert inserting hole 2d and through hole 61a logical and install.

After in the inserting hole 2c that rivet 8 is installed on all light emitting diode base plates 2,2d; Through hole 41 is inserted logical by lens 3; Second through hole 42 is inserted logical by connector 5, the 3rd through hole 43 is inserted logical by each rivet 8, under such state; Reflector plate 4 is put on the light emitting diode base plate 2, make them relative.

Figure 76 is the cutaway view of structure that expression comprises the display unit of light supply apparatus involved in the present invention.This display unit comprises: display part 70 (A), and this display part 70 (A) roughly is cuboid, and its front side has display surface 72a; Light supply apparatus A (B), this light supply apparatus A (B) is disposed at the rear side of this display part 70; And shell 71 (D), this shell 71 (D) covers the periphery of display part 70 and the rear side of light supply apparatus A.

Display part 70 comprises display floater 72 (A1) with display surface 72a and the optical sheet 73 (C) that is disposed at these display floater 72 rear sides.Supporting frame 74 (A2) and back supporting frame 75 (A3) before utilizing carry out front and back clamping to the periphery of display floater 72, with the formation panel assembly, with after supporting frame 75 be installed on the periphery of supporting mass 6.

Optical sheet 73 is the duplexers that cascaded by thicker diffuser plate and thin synthetic resin sheet material; Said thicker diffuser plate spreads the light that the light emitting diode 1 as light source is sent, and said thin synthetic resin sheet material comprises reflection Polarizer, prismatic lens and diffusion sheet etc.Utilize the frame portion 62 of supporting mass 6 to keep the periphery of 75 pairs of optical sheets 73 of framework to carry out clamping with the back.

Split 71b (D2) after shell 71 has split 71a (D1) before the shell of the periphery front side that covers display part 70 and covers the shell of dark dish type of periphery and rear side of light supply apparatus A utilizes external screw that said shell 71 is installed in the frame portion 62 of supporting mass 6.

In addition; Though omitted diagram; But control circuit substrate that on another face 6b of board 61, the power circuit substrate that is connected with electrode part 22 through second connector and being connected of light emitting diode base plate 2 is installed, said display part is driven and controls and the polylith circuit substrates such as signal processing circuit substrate that the vision signal of the display surface that is shown in said display part is handled.

A plurality of fixtures (rivet 8) are configured to staggered concrete structure are not limited to above-mentioned embodiment 4.Figure 77 is the vertical view of the part of the related light supply apparatus of other embodiments of the present invention.In these other embodiments; Spacing distance L on the long side direction of light emitting diode base plate 2 establishes forr a short time than above-mentioned embodiment with interconnected rivet 8 (B7), and the 3rd through hole 43 (B54) that supplies rivet 8 to insert logical reflector plate 4 is the circular hole that separates with through hole 41 (B53).

In said embodiment 4; Be provided with along the both ends of long side direction at the light emitting diode base plate 2 of rectangle and supply rivet 8 to insert logical two inserting hole 2c, 2d; But also can adopt following structure: promptly; At light emitting diode base plate 2 along on the inside line at the both ends of long side direction and both ends inserting hole being set respectively, make with the direction of the row quadrature of light emitting diode base plate 2 on each adjacent inserting hole interleaved shape configuration.

In above-mentioned embodiment 4; The light emitting diode base plate 2 of polylith rectangle is arranged side by side into a row shape along long side direction; And broad ways is arranged side by side the light emitting diode base plate 2 that multiple row is arranged side by side into a row shape like this, but the structure of light emitting diode base plate is not limited to above-mentioned embodiment 4.Figure 78 decomposes the resulting vertical view in back to the part of the related light supply apparatus of of the present invention second other embodiments, and Figure 79 is the vertical view of a part of member of the related light supply apparatus of said second other embodiments.In other embodiments; The size of the light emitting diode base plate 2A (B3) of rectangle is longer than the light emitting diode base plate 2 of above-mentioned embodiment; With with light emitting diode base plate 2A on the essentially identical interval of installation interval of light emitting diode 1, be arranged side by side eight this light emitting diode base plate 2A along the substrate width direction.Be provided with said connecting portion 22 (B32) at each light emitting diode base plate 2A along the both ends of long side direction, and the connecting portion 21 (B31) of said connector 5 is not set.

Offer along six positions of long side direction at each light emitting diode base plate 2A and to supply said rivet 8 to insert six logical inserting hole 2e1～2e6.Light emitting diode base plate 2A is the circular hole identical with the inserting hole 2c of above-mentioned embodiment along the inserting hole 2e1 of an end of long side direction, and five inserting hole 2e2～2e6 are slotted holes identical with the inserting hole 2d of above-mentioned embodiment in addition.Being arranged side by side on eight adjacent on direction light emitting diode base plate 2A of light emitting diode base plate 2A, locational each inserting hole 2e1 of each of six positions～2e6 interleaved shape configuration.Promptly; Eight inserting hole 2e1 interleaved shape configurations of the end of eight light emitting diode base plate 2A that are arranged side by side; Likewise, other locational eight inserting hole 2e2, eight inserting hole 2e3, eight inserting hole 2e4, eight inserting hole 2e5 and eight inserting hole 2e6 interleaved shape configurations respectively.On reflector plate 4A, be provided with the 3rd inserting hole 43 accordingly with the position of each inserting hole 2e1～2e6, and be not provided with and said connector 5 corresponding second inserting holes 42.

In above-mentioned embodiment 4; Use by barrel member 81 and the formed rivet 8 of shaft component 82 these two members to constitute fixture, but fixture also can be by the formed rivet of single member, in addition; Except rivet, also can wait to constitute fixture with screw, bolt and nut.

In addition; In above-mentioned embodiment 4, diameter three through hole 43 bigger than the diameter of the head 82b of rivet 8 is set, configuration header 82b in the 3rd through hole 43; Thereby can allow reflector plate 4 to stretch because of thermal expansion; But in addition, also can adopt following structure: promptly, establish the diameter of head 82b bigger than the diameter of the 3rd through hole 43; The peripheral part that makes this head 82b separates around the 3rd through hole 43 of thickness direction and reflector plate 4 and relatively, thereby can utilize head 82b to prevent that reflector plate 4 is to the direction bias of separating with light emitting diode base plate 2.

In above-mentioned embodiment 4, light supply apparatus involved in the present invention is applied to the illumination of the display floater of liquid crystal indicator, but also can be applicable to the illumination of display floater of the display unit of other light emitting-types except that liquid crystal indicator.

Embodiment 5-1

Figure 80 is the longitudinal sectional view of schematic representation display unit.

In the drawings, label 1 is the display floater (A1) with rectangle of liquid crystal, and this display floater 1 has following structure: promptly, control puts on the voltage of liquid crystal, and adjustment optical transmission rate is with display video.Keep framework 2 (A2) and back to keep framework 3 (A3) before utilizing, grasp the periphery of display floater 1, and it is accommodated in the rectangular box-like front casing 4 (D1).Keep before this front casing 4 is disposed at framework 2 and back keep framework 3 around.Front casing 4 has the opening of rectangle, and the size of this opening is corresponding with the size of display floater 1.The rear side of display floater 1 is provided with a plurality of optical sheets 5 (C), said a plurality of optical sheets 5 (C) with after the light of the light emitting diode 9 (light-emitting component) stated focus on to display floater 1.

The rear side of this optical sheet 5 is provided with diffuser plate 6, and this diffuser plate 6 spreads the light of light emitting diode 9 (B1) equably.Edge part with the support plate 7 (B6) of dark dish type assigns to support this diffuser plate 6.On the front surface of support plate 7, be arranged side by side polylith substrate 8 (B3), on the back surface of this substrate 8, be formed with by thermal conductivity material, the formed membranaceous radiating pattern of for example metal (not shown).

On the front surface of this substrate 8, be equipped with a plurality of light emitting diode 9,9 ..., 9.Light emitting diode 9 comprises flat part 9a on the front surface that is close to substrate 8 and the 9b of spindle portion that forwards gives prominence to from this flat part.Each light emitting diode 9,9 ..., 9 front side dispose respectively the lens 10,10 that make light that diffusion take place ..., 10 (A2).These lens 10 form forwards outstanding thicker curved surface shape, are formed with and the corresponding recess 10a of the shape of the 9b of spindle portion at the back surperficial central portion of lens 10.The 9b of spindle portion is accommodated in the inboard of recess 10a.At the periphery of these lens 10, along circumferentially being arranged side by side oriented substrate 8 one side-prominent three projection 10b, 10b, 10b (B22), the front end of this projection 10b is installed on the front surface of substrate 8 through bonding agent.

Be respectively arranged with the supporting station (not shown) that the reflector plate 11 (B5) to dark dish type supports about said support plate 7.On the bottom surface of this reflector plate 11, offer a plurality of sheet materials hole 11a (B53) that supplies said lens 10 to insert.Each lens 10 passes said sheet material hole 11a and is side-prominent forward.

The rear side of support plate 7 is provided with the rear casing 12 (D2) of dark dish type.The longitudinal size and the lateral dimension of the longitudinal size of this rear casing 12 and lateral dimension and front casing 4 (1) are basic identical, and the marginal portion of the marginal portion of rear casing 12 and front casing 4 relative to each other.Marginal portion at front casing 4 and rear casing 12 is respectively arranged with not shown engaging protuberance and engaging recessed part, makes this engaging recessed part and engages the protuberance engaging, so that said front casing 4 is fixed in rear casing 12.In addition; Between support plate 7 and rear casing 12, control circuit substrate that dispose the power circuit substrate that is connected with electrode part through connector and being connected of substrate 8, display floater 1 is driven and controls and the polylith circuit substrates such as signal processing circuit substrate that the vision signal of the display surface that is shown in display floater 1 is handled.

Figure 81 is that schematic representation is provided with the light emitting diode 9 of reflector plate 11 and the front view of substrate 8; Figure 82 is the curve map of the luminous quantity that lighting angle produced of the light that sent according to light emitting diode 9 of expression, and Figure 83 is the cutaway view of the IV-IV line of schematic representation rivet, Figure 81.

On substrate 8, along the long side direction of substrate 8 be arranged side by side a plurality of first through hole 8a, 8a ..., 8a (B33, B34).On said support plate 7, with the first through hole 8a, 8a ..., on the corresponding position of 8a, offer a plurality of second through hole 7a, 7a ..., 7a (B64).The diameter of this second through hole 7a and the diameter of the first through hole 8a are basic identical.On reflector plate 11, with the corresponding position of the first through hole 8a on offer porose 11b (B54), this hole 11b has the big diameter than the first through hole 8a.In addition, shown in Figure 81, on the appropriate location of reflector plate 11, offer with shown in the sheet material hole 11a oval-shaped inserting hole 11c that links to each other and stretch out along the long side direction of substrate 8.The minor axis diameter of this inserting hole 11c and major diameter all than after the diameter of head of the rivet 20 stated big.

Shown in Figure 81, at lens 10 each other, in the 11b of hole, be provided with rivet 20.With the corresponding first through hole 8a of hole 11b and the second through hole 7a in for example be inserted with by metal or the formed rivet 20 of carbon source materials (B7), utilize this rivet 20 that substrate 8 is fixed on the support plate 7.Rivet 20 comprises to be accepted rivet 22 (B71), and inserts rivet 21 (B72).

Accept the 22a of fastening portion (B71a) that rivet 22 has the diameter ring-type bigger than the diameter of the said first through hole 8a, the outer peripheral portion of the 22a of this fastening portion is positioned at the outside of the first through hole 8a, the inboard of hole 11b, and fastening is in the marginal portion of the first through hole 8a.On the interior circumferential portion of the 22a of fastening portion, along circumferentially being arranged side by side a plurality of elastic portion 22b.This elastic portion 22b is axially outstanding along the 22a's of fastening portion, inserts the logical first through hole 8a and the second through hole 7a.The axial dimension of elastic portion 22b is bigger than the axial dimension of the first through hole 8a and the second through hole 7a, and stretch out from the second through hole 7a vertically the outstanding end of elastic portion 22b.

On the outstanding end of elastic portion 22b, be provided with the abutting part 22c that the radially inner side to the 22a of fastening portion stretches out with elastic portion 22b with being integral, between this abutting part 22c, 22c, be provided with the gap.

The inboard of abutting part 22c with after the 21b of the foot butt stated, through the butt of the 21b of this foot, make elastic portion 22b crooked laterally, elastic portion 22b is contacted with the marginal portion of the second through hole 7a.Therefore, between 22a of fastening portion and elastic portion 22b, substrate 8 and support plate 7 in the front and back clamping.

Said insertion rivet 21 has the diameter head 21a (B72a) bigger than said hole 11b, at the central part of this head 21a, is provided with the rectangular columniform 21b of foot with head 21a.Fore-end at the 21b of this foot is formed with tapering 21ba, and the diameter forward end of the 21b of foot is diminished gradually.The size of the diameter of the 21b of foot the head 21a near and the internal diameter of the said fastening 22a of portion is basic identical, and the size when not inserting the 21b of foot between the said abutting part 22c is big.In addition, stretch out to the 21b of foot one side the marginal portion of head 21a, the marginal portion of head 21a stretch out width than the axial dimension of the said fastening 22a of portion, be that the gauge of the 22a of fastening portion is little.

The 21b of foot that inserts rivet 21 inserts among the fastening 22a of portion, and the fore-end of the 21b of foot inserts in the gap between the abutting part 22c.Fore-end at the 21b of foot is formed with tapering 21ba, struts said gap through inserting the 21b of foot.Elastic portion 22b is crooked laterally, and connects with the marginal portion of the second through hole 7a.

Head 21a and the 22a of fastening portion connect, and head 21a does not contact with reflector plate 11.Between the marginal portion of the head 21a that stretches out to the 21b of foot one side and reflector plate 11, be provided with a little gap; When thermal expansion takes place in the light that is sent because of light emitting diode 9 at reflector plate 11; Allow reflector plate 11 to stretch, produce fold to prevent reflector plate 11 because of this thermal expansion.Utilize the edge part of head 21a to assign to maintain reflector plate 11.Utilize elastic portion 22b and the 22a of fastening portion, come clamping support plate 7 and substrate 8 with suitable pressure, thereby make substrate 8 be close to support plate 7.

The gauge of head 21a and the 22a of fastening portion is shorter than the front and back size of said light emitting diode 9, and the top of head 21a is positioned at the rear side at top of the 9b of spindle portion of light emitting diode 9.

Shown in Figure 81, at lens 10 each other, in inserting hole 11c, be provided with rivet 20.Because the minor axis diameter of the inserting hole 11c of ovalize and the major diameter all diameter than the head (head 21a) of rivet 20 are big, therefore, head 21a is positioned at the inboard of inserting hole 11c.Shown in Figure 83, identical with rivet 20 in being arranged at hole 11b, utilize elastic portion 22b and the 22a of fastening portion, grasp support plate 7 and substrate 8 with suitable pressure, so that substrate 8 is close to support plate 7.In addition, the gauge of head 21a and the 22a of fastening portion is shorter than the front and back size of said light emitting diode 9, and the top of head 21a is positioned at the rear side at top of the 9b of spindle portion of light emitting diode 9.

In the related display unit of embodiment 5-1; Range of scatter according to the light that spreads by lens 10; Size till making size till the top from substrate 8 to head 21a than 10 the top from substrate 8 to lens is short, is blocked by head 21a with the light of avoiding having carried out diffusion.The luminous quantity that lighting angle produced of the light that Figure 82 representes to be sent according to light emitting diode 9.Locating of luminous quantity is and the be separated by position of 20mm of light emitting diode 9.Can know according to Figure 82, with respect to lighting angle zero degree (summit of light emitting diode 9) be 70 the degree more than the lighting angle place do not have luminous quantity.Therefore; Make along the direction of the front surface of substrate 8 and short with the size of size till till top insertion rivet 21, of lens 10 configured separate of the front surface that is installed on substrate 8 than 10 top from substrate 8 to lens from substrate 8 to head 21a; The light that can avoid utilizing lens 10 to carry out diffusion is blocked by head 21a, can prevent to cause display quality to descend because of brightness irregularities takes place display floater 1.

In addition; Consider that the light that irradiates from light emitting diode 9 is diffused into the situation of wide-angle when seeing through lens 10; Size till making size till the top from substrate 8 to head 21a than 9 the top from substrate 8 to light emitting diode is short; Thereby can avoid reliably being blocked by head 21a, can prevent reliably that display floater 1 from brightness irregularities taking place from the light that light emitting diode 9 irradiates.

In addition; Utilize rivet 20 that substrate 8 is fixed in support plate 7, and utilize head 21a that reflector plate 11 is kept, can avoid reflector plate 11 to peel off from support plate 7; And can cut down the employed number of components and parts of display unit, thereby can shorten the manufacturing time of display unit.In addition, can cut down the manufacturing cost of display unit.In addition, owing between head 21a and reflector plate 11, be provided with the gap, therefore, even reflector plate 11 stretches because of rapid thermal change, reflector plate 11 can not produce fold yet.

In addition, owing to use rivet 20 that substrate 8 is fixed on the support plate 7, thereby can therefore, can shorten the manufacturing time of display unit, and can cut down the manufacturing cost of display unit with substrate 8 rapidly and be fixed in reliably on the support plate 7.

In addition,, can suppress caloric value through using light emitting diode 9 as light-emitting component, and the control of easily glimmering.

In addition; Rivet is not limited to form by inserting rivet 21 and accepting 22 in rivet; Also can adopt following structure: promptly, do not use and accept rivet 22, and circumference is provided with a plurality of 21b of foot in head 21a upper edge; Fore-end at a plurality of 21b of foot is provided with outwards outstanding card-tight part respectively, and support plate 7 and substrate 8 are clamped between this card-tight part and the head 21a.In the related display unit of embodiment, head 21a is positioned at the rear side of the 9b of spindle portion, but the top that also can make head 21a is between the top of the top of lens 10 and the 9b of spindle portion.In addition, the related display unit of embodiment uses light emitting diode 9 to be used as light-emitting component, but also can use LD (laser diode (Laser Diode)) etc.

(variation)

Below, based on shown in accompanying drawing, the variation of the related display unit of embodiment 5-1 is described in detail.Figure 84 is the cutaway view of the rivet 20 of schematic representation variation.

Shown in Figure 84, in variation, the front side of light emitting diode 9 (B1) is not provided with lens 10, and light directly shines to diffuser plate 6 from light emitting diode 9.The range of exposures of the light that irradiates from light emitting diode 9 is wide-angle, and the light that irradiates from light emitting diode 9 is fully spread by diffuser plate 6, and illuminated to display floater 1.In variation, the gauge of head 21a and the 22a of fastening portion is also short than the front and back size of said light emitting diode 9, and the top of head 21a also is positioned at the rear side at top of the 9b of spindle portion of light emitting diode 9.

Therefore; Range of exposures according to the light that irradiates from light emitting diode 9; Size till making size till the top from substrate 8 to head 21a than 9 the top from substrate 8 to light emitting diode is short; Thereby can avoid reliably being blocked by head 21a, can prevent reliably that display floater 1 from brightness irregularities taking place from the light that light emitting diode 9 irradiates.

Embodiment 5-2

Figure 85 is the cutaway view of the screw of schematic representation display unit.

In this display unit, replace rivet 20 (B7) that substrate 8 is fixed in support plate 7 with screw 30.On said support plate 7, with the first through hole 8a, 8a ..., on the corresponding position of 8a (B64), offer a plurality of second through hole 7b, 7b ..., 7b.Inboard at this second through hole 7b is formed with internal thread, and the diameter of the second through hole 7b equates with the diameter of the first through hole 8a basically.In the first through hole 8a, insert logical screw 30, and with its stubborn being combined among the second through hole 7b.

Screw 30 comprises head 30a that the diameter that is discoideus is bigger and from outstanding columned axial region (foot) 30b of the major part of this head 30a.The diameter of head 30a is bigger slightly than the diameter of said hole 11b.Have external screw thread on the axial region 30b, be inserted in the packing ring 31.The internal diameter of packing ring 31 is bigger slightly than axial region 30b, and is basic identical with the first through hole 8a.In that axial region 30b is inserted under the state of packing ring 31, axial region 30b is inserted the first through hole 8a from substrate 8 one sides, and with its stubborn being combined among the second through hole 7b.Therefore, packing ring 31 is between the marginal portion of the periphery of head 30a and the first through hole 8a.

The axial dimension of packing ring 31, be that the gauge of packing ring 31 is more longer than the thickness outline of reflector plate 11, shown in Figure 85, between head 30a and reflector plate 11, be provided with a little gap.In addition, the gauge of packing ring 31 and head 30a is shorter than the front and back size of said light emitting diode 9, and the top of head 30a is positioned at the rear side at top of the 9b of spindle portion of light emitting diode 9.

In addition, for hole 11b, because the diameter of head 30a is bigger slightly than the diameter of said hole 11b, therefore, the marginal portion of the periphery of head 30a and hole 11b separates a little interval and relative, thereby utilizes the periphery of head 30a to come reflector plate 11 is kept.Close screw 30 through twisting, substrate 8 is clamped between packing ring 31 and the support plate 7, and it is close to and is fixed in support plate 7.

In the related display unit of embodiment 5-2; Range of scatter according to the light that spreads by lens 10; Size till making size till the top from substrate 8 to head 30a than 10 the top from substrate 8 to lens is short, is blocked by head 30a with the light of avoiding having carried out diffusion.Therefore, can prevent to cause display quality to descend because of display floater 1 produces brightness irregularities.

In addition; Range of exposures according to the light that irradiates from light emitting diode 9; Size till making size till the top from substrate 8 to head 30a than 9 the top from substrate 8 to light emitting diode is short; Thereby can avoid reliably being blocked by head 30a, can prevent reliably that display floater 1 from brightness irregularities taking place from the light that light emitting diode 9 irradiates.

In addition, owing to utilize screw 30 that substrate 8 is firmly fixed at support plate 7, therefore, can avoid substrate 8 to break away from reliably from support plate 7.

In addition, also can make the range of exposures of the light that irradiates from light emitting diode 9 be wide-angle, and unload lens 10.In this case; Range of exposures according to the light that irradiates from light emitting diode 9; Size till making size till the top from substrate 8 to head 30a than 9 the top from substrate 8 to light emitting diode is short; Thereby can avoid reliably being blocked by head 30a, can prevent reliably that display floater 1 from brightness irregularities taking place from the light that light emitting diode 9 irradiates.

Within the structure of the display unit that embodiment 5-2 is related, the identical identical label of structure mark of display unit for related with embodiment 5-1 omits its detailed description.

Embodiment 6-1

Figure 86 amplifies the resulting cutaway view in back to the part of the structure of representing display unit involved in the present invention; Figure 87 amplifies the resulting cutaway view in back to the part of the structure of expression light source portion; Figure 88 is the front view of the structure after expression is omitted the periphery of light source portion; The front view of the structure of Figure 89 after to be expression to the periphery of light source portion and light-reflecting sheet omit; Figure 90 is the front view of the structure after the periphery of expression light reflex sheet omits; Figure 91 A is the vertical profile side view of the structure of expression the first axle body part, and Figure 91 B is the cross-sectional vertical view of the structure of expression the first axle body part, and Figure 92 A is the vertical profile side view of the structure of expression the second axle body part; Figure 92 B is the cross-sectional vertical view of the structure of expression the second axle body part, and Figure 93 is the cross-sectional vertical view of the structure of expression three-axis body part.

Illustrated display unit is the liquid crystal TV set that comprises display part A, light source portion (light supply apparatus) B and shell C (D); In other words, be liquid crystal indicator, said display part A roughly is cuboid; Its front side (side) has the display surface that shows television image; Said light source portion (light supply apparatus) B roughly is cuboid, is disposed at the rear side (opposite side) of this display part A, and said shell C (D) covers the periphery of display part A and the rear side of light source portion B.

Display part A comprises display floater 1 (A1) with display surface and the optical sheet 2 (C) that is disposed at this display floater 1 rear side.Keep framework 11 (A2) and back to keep framework 12 (A3) before utilizing, the periphery of display floater 1 is carried out the front and back clamping, with the formation panel assembly.

Optical sheet 2 is the duplexers that cascaded by thicker diffuser plate and thin synthetic resin sheet material; Said thicker diffuser plate spreads the light that the light emitting diode 3 (B1) as light source is sent, and said thin synthetic resin sheet material comprises reflection Polarizer, prismatic lens, diffusion sheet etc.

Light source portion B comprises: a plurality of light emitting diodes 3, and these a plurality of light emitting diodes 3 are arranged side by side into latticed as light source; Polylith light emitting diode base plate 4 (B3), this polylith light emitting diode base plate 4 (B3) is arranged side by side into multiple row, and this light emitting diode 3 is installed on the one face 4a; A plurality of connectors 5 (B4), these a plurality of connectors 5 (B4) are connected to each other adjacent light emitting diode base plate 4,4; A plurality of lens 6 (B2), these a plurality of lens 6 (B2) are installed on the face 4a of light emitting diode base plate 4, and relative with the top of light emitting diode 3, the light that this light emitting diode 3 is sent spreads; Light-reflecting sheet 7 (B5), this light-reflecting sheet 7 (B5) have and be used in the hole 73 of these lens 6 of internal configurations (B53), and be relative with a face of a said face 4a and connector 5, and the light that lens 6 are spread is reflected; Supporting mass 8 (B6), this supporting mass 8 (B6) supports multiple row light emitting diode base plate 4 abreast; The first axle body 9 and the second axle body 10, this first axle body 9 is set with respect to the position of supporting mass 8 with the second axle body 10 light reflex sheets 7; And three-axis body 20, this three-axis body 20 is installed on the both ends of light emitting diode base plate 4 on the supporting mass 8, is used to suppress light-reflecting sheet 7 to the thickness direction bias.The second axle body 10 and three-axis body 20 are public parts.

Light emitting diode base plate 4 is a face 4a and has circuit part, both ends have the rectangle of inserting hole 4b, 4b (B33, B34); On a face 8a of roughly rectangular supporting mass 8; Separate with width along its length and be provided with the said light emitting diode base plate 4 of multiple row abreast; Utilize three-axis body 20 (B7) that supporting mass 8 is fixed at the both ends of each light emitting diode base plate 4; Said three-axis body 20 (B7) is inserted inserting hole 4b, 4b logical, and can move with respect to inserting hole 4b, 4b.Shown in Figure 89, on light emitting diode base plate 4 a face 4a separately, a plurality of light emitting diodes 3 are installed discretely along its length, be provided with connecting portion 41,41 at the length direction both ends of a face 4a.

Light emitting diode base plate 4 is arranged side by side into multiple row; Make an end of length direction relative; In such light emitting diode base plate 4; Be connected to each other with adjacent two connecting portions 41,41 of connector 5 each row light emitting diode base plate 4, with second connector (B41) with the connecting portion of the light emitting diode base plate 4 of column direction one side with after the power circuit substrate stated be connected, the connecting portion 22 of the light emitting diode base plate 4 of column direction opposite side is connected with short circuit connector.

Supporting mass 8 is formed and is formed by metallic plate, and four the eaves portions 83 (B63) that have roughly rectangular flat board 81 (B61), the frame portion 82 (B62) that links to each other with the periphery of this board 81 and link to each other with the outward flange of this frame portion 82 are hull shape.Central portion at board 81 offers primary importance setting hole 84; Offering second place setting hole 85 from primary importance setting hole 84 to periphery one side of separating along the direction of sheet face; Board 81 circumferentially offer a plurality of embedded holes 86 discretely with upper edge, the corresponding position of inserting hole 4b, on a face 8a of board 81, take in light emitting diode base plate 4 abreast with width along its length and support.In addition, in eaves portion 83, along circumferentially offering a plurality of installing holes that are used to install the periphery of display part A discretely.

Length direction one sidepiece at another face of board 81 is equipped with the power circuit substrate; This power circuit substrate is connected with light emitting diode base plate 4 through second connector (B41), and the control circuit substrate that display part A is driven and controls is installed in length direction the other side.In addition, at the length direction central portion of another face of board 81 signal processing circuit substrate is installed, said signal processing circuit substrate is handled the vision signal of the display surface that is shown in display part A.

Light-reflecting sheet 7 is by having light reflective and forming with display floater 1 and supporting mass 8 corresponding and roughly rectangular a slice synthetic resin sheet materials; Comprise than slightly little plat part 71 (B51) of board 81 and the angle frame portion 72 (B52) that links to each other with four limits of this plat part 71 at the fold line place, rise with respect to plat part 71 outward inclining, thereby form hull shape.

The central portion of plat part 71 offer be used to prevent light-reflecting sheet 7 with respect to board 81 to the through hole 74 that dislocation takes place along the direction of sheet face; From this through hole 74 on the position that a peripheral side is separated, offer be used to prevent light-reflecting sheet 7 with respect to board 81 along the slotted hole 75 (B57) that dislocation circumferentially takes place.Through hole 74 is circular holes, is opened in primary importance to set on the 84 corresponding positions, hole.Slotted hole 75 with direction that through hole 74 separates on longer, narrower with the width of the direction of detaching direction quadrature, be opened in the second place and set on the 85 corresponding positions, hole.The width of slotted hole 75 equates with the diameter of through hole 74 basically.In addition, plat part 71 with embedded hole 86 corresponding positions on offer a plurality of second holes 76, one of this second hole 76 is exactly a slotted hole 75, this slotted hole 75 links to each other with hole 73.

Plat part 71 with lens 6 corresponding positions on; Offer the diameter hole 73 (B53) bigger slightly than these lens 6; Utilize otch (B56, B59), plat part 71 with connector 5 corresponding positions on be provided with because of connecting to the bias portion of thickness direction bias with connector 5.

The first axle body 9 (B7) has flexible tube 91 (B71) and embeds the pin 92 (B72) of this flexible tube 91.One end of flexible tube 91 has the 91a of eaves portion (B71a); The a plurality of otch 91c (B71b) that its other end has the setting axial region 91b that links to each other with the 91a of eaves portion, extend along the axial length direction and the protrusion of protuberance to the inside; Parts sheet between the otch 91c can be crooked to radially, flexible tube 91 embedded through hole 74 set in the hole 84 with primary importance.The diameter of setting axial region 91b is slightly littler than through hole 74, and has following structure: promptly, should set axial region 91b and embed in the through hole 74, thereby can prevent that light-reflecting sheet 7 from misplacing to the direction along the sheet face.

Pin 92 adopts following structure: promptly; One end of said pin 92 has the diameter eaves portion 92a (B72a) bigger than the 91a of eaves portion of flexible tube 91; Pin 92 is embedded in the flexible tube 91; Thereby itself and flexible tube 91 inboard protrusions are connected, make parts sheet between the otch 91c radially set the outside curve in hole 84, to prevent the parts sheet generation elastic recovery between the otch 91c towards primary importance; Prevent that said pin 92 breaks away from from board 81, thereby can utilize the set positions state that axial region 91b keeps light-reflecting sheet 7 of setting.

The pin 10b that the second axle body 10 has flexible tube 10a and embeds this flexible tube 10a.The end of flexible tube 10a has the 10c of eaves portion; Its other end one side has along a plurality of otch 10d of axial length direction extension and the protrusion that swells to the inside; Parts sheet between the otch 10d can be radially crooked, flexible tube 10a embedded slotted hole 75 set hole 85 with the second place.Diameter as the 10c of eaves portion of set positions portion is slightly littler than the width of slotted hole 75, and has following structure: promptly, the 10c of this eaves portion is embedded slotted hole 75, thereby can prevent that light-reflecting sheet 7 from being center and along circumferentially misplacing with the first axle body 9.

Pin 10b adopts following structure: promptly; The end of said pin 10b has the diameter eaves portion 10e bigger than the 10c of eaves portion of flexible tube 10a; Pin 10b is embedded in the flexible tube 10a, thereby itself and the inboard protrusion of flexible tube 10a are connected, make parts sheet between the otch 10d radially towards the outside curve in second place setting hole 85; To prevent the parts sheet generation elastic recovery between the otch 10d, prevent that said pin 10b breaks away from from board 81.

The pin 20b that three-axis body 20 has flexible tube 20a and embeds this flexible tube 20a.The end of flexible tube 20a has the 20c of eaves portion, and its other end one side has along a plurality of otch 20d of axial length direction extension and the protrusion that swells to the inside, and the parts sheet between the otch 20d can be radially crooked, and flexible tube 20a is embedded embedded hole 86.Pin 20b adopts following structure: promptly; The end of said pin 20b has diameter than the 20c of eaves portion of flexible tube 20a and the big 20e of eaves portion in second hole 76; Pin 20b is embedded in the flexible tube 20a, thereby its protrusion with flexible tube 20a inboard is connected, make parts sheet between the otch 20d radially towards the outside curve of embedded hole 86; To prevent the parts sheet generation elastic recovery between the otch 20d, prevent that said pin 20b breaks away from from board 81.In addition; Between the sheet face of the medial surface of the 20e of eaves portion and light-reflecting sheet 7, there is a little gap; Thereby can stretch to what sheet face direction was produced because of thermal expansion by absorbing light reflector plate 7; In addition, have following structure: promptly, with the 20e of eaves portion come inhibitory reflex sheet 7 with respect to light emitting diode base plate 4 to the thickness direction bias.

Split 22 (D2) after shell C has split 21 (D1) before the shell of the periphery front side that covers display part A and covers the shell of dark dish type of periphery and rear side of light source portion B utilizes external screw that said shell C is installed in the frame portion 82 of supporting mass 8.

For adopting the display unit of structure as stated; Supporting mass 8 is put on operating desk; Make its open sides up; On a face 8a of the board 81 of this supporting mass 8; The two piece light emitting diode base plates 4,4 adjacent along column direction are arranged side by side multiple row, and the connecting portion of connector 5 with an adjacent end that is arranged at each row light emitting diode base plate 4,4 is connected, and the flexible tube 20a of three-axis body 20 is embedded embedded hole 86 from inserting hole 4b, the 4b at the both ends that are arranged at each row light emitting diode base plate 4.

After the light emitting diode base plate 4 of each row of packing into, light-reflecting sheet 7 is put on the face of each row light emitting diode base plate 4, make them relative, lens 6 are embedded in each hole 73 of light-reflecting sheet 7, make bias portion covering connector 5.

The flexible tube 91 of the first axle body 9 is embedded the primary importance setting hole 84 of board 81 from the through hole 74 of light-reflecting sheet 7; Pin 92 is embedded this flexible tube 91; Thereby can set along the position on the direction of sheet face with respect to board 81 by light reflex sheet 7; In addition, the flexible tube 10a of the second axle body 10 is set hole 85 from the second place that the slotted hole 75 of light-reflecting sheet 7 embeds boards 81, pin 10b is embedded this flexible tube 10a; Thereby can set with respect to the circumferential position of board 81 by light reflex sheet 7, and light-reflecting sheet 7 can be moved with respect to slotted hole 75 parts.In addition; Pin 20b is embedded the flexible tube 20b of three-axis body 20 from second hole 76 of light-reflecting sheet 7; Thereby light-reflecting sheet 7 is installed on board 81, it can be moved relative to board 81, with utilize the 20e of eaves portion come inhibitory reflex sheet 7 with respect to light emitting diode base plate 4 to the thickness direction bias.

After the light-reflecting sheet 7 of packing into, optical sheet 2 is put on light-reflecting sheet 7, display part A is put on this optical sheet 2, with many external screws the periphery of this display part A is installed on the periphery of supporting mass 8, and shell C is installed.

As stated; Come light reflex sheet 7 to set owing to utilize through hole 74, the first axle body 9 and primary importance to set hole 84 along the position of the direction of sheet face; And utilizing slotted hole 75, the second axle body 10 and the second place to set hole 85 comes light reflex sheet 7 to set along circumferential position; Slotted hole 75 parts and the mounting portion that is mounted on the supporting mass 8 can be relatively moved, therefore, thermal expansion, this light-reflecting sheet 7 take place under the situation that the direction along the sheet face takes place to stretch at light-reflecting sheet 7; Can utilize the slotted hole 75 and second hole 76 to absorb this stretches; In addition, can utilize slotted hole 75 and the second axle body 10 to prevent that light-reflecting sheet 7 from being center and along circumferentially misplacing with the first axle body 9, thereby can guarantee that light-reflecting sheet 7 is positioned at suitable position with respect to supporting mass 8.Therefore; Can make the lens 6 that are installed on the light emitting diode base plate 4 and be opened in the suitable position relation of maintenance between the hole 73 on the light-reflecting sheet 7; Gap length between lens 6 and the hole 73 is kept evenly; The bore edges portion that can prevent hole 73 produces shade, thereby can keep the appropriate brightness characteristic.

Figure 94 is the vertical profile side view of other structures of expression the first axle body part, and Figure 95 is the vertical profile side view of other structures of expression the second axle body part.In embodiment discussed above, the first axle body 9, the second axle body 10, and three-axis body 20 be rivet, but in addition, the first axle body 9, the second axle body 10, to reach three-axis body 20 also can be external screw.

At the first axle body 9 is under the situation of external screw, shown in Figure 94, the first axle body 9 comprise diameter than the big head 9a of through hole 74 and with this head 9a links to each other and diameter will be slightly little than through hole 74 screw division 9b.Screw division 9b constitutes the setting axial region.In this embodiment, screw division 9b inserts in the logical through hole 74, and is screwed in the primary importance setting hole 84, thereby can prevent that light-reflecting sheet 7 from misplacing to the direction along the sheet face.

At the second axle body 10 is under the situation of external screw; Shown in Figure 95, the second axle body 10 comprises the diameter head 10f bigger than the width of slotted hole 75, link to each other with this head 10f and middle footpath axial region 10g that diameter will be slightly little than the width of slotted hole 75 and with this in footpath axial region 10g link to each other and diameter than in the little screw division 10h of axial region 10g directly.Middle footpath axial region 10g constitutes set positions portion.In this embodiment, screw division 10h inserts elongated hole 75, and is screwed in the second place setting hole 85, thereby can middle footpath axial region 10g be embedded in the slotted hole 75, be that the center is along circumferentially misplacing to prevent light-reflecting sheet 7 with the first axle body 9.

At three-axis body 20 is under the situation of external screw, because three-axis body 20 is identical with the second axle body 10 shown in Figure 95, comprises head, middle footpath axial region and screw division, therefore, omits its detailed description and accompanying drawing.

Embodiment 6-2

Figure 96 is expression prevent the to misplace cross-sectional vertical view of other structures of bore portion.This display unit one of will be from second hole 76 that through hole 74 is provided with to the position that a peripheral side is separated as slotted hole 75, and slotted hole 75 is disposed on the position of separating with hole 73, with the structure that replaces this slotted hole 75 is linked to each other with hole 73.

In this structure,, therefore,, also can easily keep the flat form of plat part 71 even apply when loading at edge to slotted hole 75 owing to can improve the rigidity of plat part 71 around slotted hole 75.In addition, under the situation of embodiment 6-2, except with one of second hole 76 as the slotted hole 75, also can be along disposing slotted hole 75 discretely from second hole 76 towards the direction of through hole 74.

Embodiment 6-3

Figure 97 is the vertical profile side view of other structures of expression the first axle body 9 and the second axle body 10 parts.This display unit is configured to slotted hole 75 to link to each other with the edge of through hole 74, to replace to the position that a peripheral side is separated slotted hole 75 being set from through hole 74.

The primary importance of board 81 set hole 84 around, offer a second place and set hole 85.Around an inserting hole 4b of light emitting diode base plate 4, offer and the second place is set the hole 85 corresponding second inserting hole 4c.

The 92a of eaves portion of the first axle body 9 is Long Circle, is provided with the second axle body 10 integratedly in the length direction end of the 92a of this eaves portion.The second axle body 10 is diameter pins littler than the width of slotted hole 75, it is arranged to parallel with the first axle body 9.

Slotted hole 75 with the direction that separates at the center of through hole 74 on longer, with the direction of detaching direction quadrature on width narrower.The width of slotted hole 75 equates with the diameter of the second axle body 10 basically.

In this embodiment, owing to can insert logical primary importances when setting holes 84, the second axle body 10 is inserted the logical second places set holes 85 at the first axle body 9, therefore, can avoid forgetting the second axle body 10 is installed.In addition, owing to can cut down erector's ordinal number of the second axle body 10, therefore, can improve assemble workability.

Embodiment 6-4

Figure 98 is the schematic isometric of other structures of expression light supply apparatus, Figure 99 be the expression light-reflecting sheet prevent to misplace the front view of other structures of part.In this light supply apparatus; Central portion at plat part 71 offers through hole 74; The outward flange of angle frame portion 72 (B52) is provided with four the thinner eaves sheets 77 of width that are attached thereto at fold line 7a place; Offer slotted hole 78 at eaves sheet 77 both ends separately, in the eaves portion 83 in the bight of supporting mass 8, be provided with the set positions protuberance 87 that is inserted in the slotted hole 78.

Eaves sheet 77 comprises long eaves sheet 77a that links to each other with the long limit of roughly rectangular plat part 71 and the short eaves sheet 77b that links to each other with the minor face of plat part 71; Be provided with slotted hole 78 long on the length direction of this long eaves sheet 77a at the both ends of long eaves sheet 77a, be provided with slotted hole 78 long on the length direction of this weak point eaves sheet 77b at the both ends of short eaves sheet 77b.

Set positions protuberance 87 is littler than slotted hole 78, set positions protuberance 87 shown in forming through a part of cutting eaves portion 83.Adopt following structure: promptly; A periphery part and the side edge of slotted hole 78 of set positions protuberance 87 are touched; Misplace to prevent that light-reflecting sheet 7 edges from circumferentially sending out, thereby can utilize the gap between set positions protuberance 87 and the slotted hole 78 to come absorbing light reflector plate 7 to stretch because of what thermal expansion produced.

In the present invention; Because the eaves sheet 77 that has nothing to do with the light reflection between the periphery that is disposed at display part A and the periphery of supporting mass 8 is provided with slotted hole 78; Therefore; Can prevent that light reflective from descending because of the slotted hole 78 as the hole that prevents to misplace, thereby can obtain the light-reflecting sheet that light reflective further is improved.

In addition; In embodiment discussed above, offer through hole 74 at the central portion of plat part 71, but in addition; Also can offer this through hole 74 discretely to a peripheral side, to the not special restriction of the position relation of through hole 74 and slotted hole 75,78 from the central portion of plat part 71.

In addition; In embodiment discussed above; The hole that will prevent to misplace is made as slotted hole; But in addition, as long as the hole that prevents to misplace has and can absorb by the caused contraction of the thermal expansion of light-reflecting sheet, can prevent that light-reflecting sheet 7 along the shape that dislocation circumferentially takes place, be not limited to slotted hole through engaging with second place configuration part again.

In addition; In embodiment discussed above; The three-axis body 20 that is used for fixing light emitting diode base plate 4 has the structure that double as is a second axle body 10, but in addition, and the first axle body 9, the second axle body 10, three-axis body 20 also can be shaft components independently separately.

In addition; In embodiment discussed above; With the first axle body 9 as the primary importance configuration part; As second place configuration part, but in addition, primary importance configuration part and second place configuration part also can be to be installed on the shaft component of board 81 or to be installed in the shaft component on the light emitting diode base plate that is fixed on the board 81 with the second axle body 10.

Embodiment 7

Figure 100 is the cutaway view of major part of structure of the light supply apparatus of expression embodiment 7; Figure 101 is the vertical view of the part of said light supply apparatus; Figure 102 decomposes the resulting vertical view in back to the part of said light supply apparatus; Figure 103 is the vertical view of a part of member of said light supply apparatus, and Figure 104 amplifies the resulting vertical view in back to the part of said light supply apparatus, and Figure 105 is the amplification stereogram of connector; Figure 106 is the vertical view that schematically shows the structure of connector; Figure 107 is the vertical view of the size relationship of expression patchhole, and Figure 108 is the stereogram that the structure of lensed light emitting diode base plate is installed in expression, and Figure 109 is the cutaway view of an example of expression fixture.

Light supply apparatus comprises: polylith light emitting diode base plate 2 (B3), and this polylith light emitting diode base plate 2 (B3) is separated from each other and is arranged side by side, and a plurality of light emitting diodes 1 (B1) are installed on their the face 2a; A plurality of lens 3 (B2), these a plurality of lens 3 (B2) are installed on the face 2a of this light emitting diode base plate 2, and relative with the top of each light emitting diode 1, the light that this light emitting diode 1 is sent spreads; Reflector plate 4 (B5), this reflector plate 4 (B5) has the through hole 41 (B53) that is used at these lens 3 of internal configurations, puts on a face 2a of light emitting diode base plate 2, and the light that light emitting diode 1 is sent reflects; A plurality of connectors 5 (B4), these a plurality of connectors 5 (B4) are connected to each other adjacent light emitting diode base plate 2,2; And supporting mass 6 (B6), this supporting mass 6 (B6) is positioned at another face 2b one side of light emitting diode base plate 2, and polylith light emitting diode base plate 2 is supported.

Have circuit part on the face 2a of light emitting diode base plate 2 (B3), be long and the wide bigger rectangle (rectangle) of ratio.On light emitting diode base plate 2 a face 2a separately, with essentially identical interval a plurality of light emitting diodes 1 are installed with being separated from each other along long side direction.Light emitting diode base plate 2 is the single face substrates that only have conductive part face 2a one side.The long side direction of the light emitting diode base plate 2 of polylith rectangle is unified into equidirectional, they are arranged side by side on a face 6a of roughly rectangular supporting mass 6 along long side direction and width with being separated from each other.In Figure 102; Show following example: promptly; The light emitting diode base plate that 6 light emitting diodes 1 are installed 2 is disposed at central authorities; Dispose the light emitting diode base plate 2 that 5 light emitting diodes 1 are installed in its both sides, three light emitting diode base plate 2 broad ways that are thus connected into a row shape are arranged side by side 8 row, and make the installation interval of the light emitting diode 1 on the light emitting diode base plate 2 basic identical.And the light emitting diode 1 on all light emitting diode base plates 2 is configured with interval roughly the same on two dimension.

Be provided with connecting portion 21,22 (B31, B32) at a face 2a of light emitting diode base plate 2 along the both ends of long side direction.In being arranged side by side into three light emitting diode base plates 2 of a row shape, the connecting portion 21,21 of adjacent light emitting diode base plate 2 is connected through connector 5 each other.In addition, of the back, the connecting portion 22 of light emitting diode base plate 2 that is positioned at an end of row is connected with the power circuit substrate through connector, and the connecting portion 22 of light emitting diode base plate 2 that is positioned at the other end of row is connected with short circuit connector.

Connector 5 (B4) comprises plug 51 that is connected with a connecting portion 21 and the socket 52 that is connected with another connecting portion 21, and this connector 5 (B4) roughly is cuboid.On socket 52, be provided with the pin electrode 52a of a plurality of long side directions towards light emitting diode base plate 2, on plug 51, be provided with the metal fittings 51a that each pin electrode 52a of a plurality of confession sockets 52 embeds.Handle through solder reflow, the metal fittings 51a of plug 51 is connected with a connecting portion 21, and through the solder reflow processing, the pin electrode 52a of socket 52 is connected with another connecting portion 21.Plug 51 is installed on socket 52, makes each pin electrode 52a of socket 52 embed each metal fittings 51a of plug 51, thereby two adjacent light emitting diode base plates 2 are electrically connected.

Lens 3 (B2) comprise transmittance section 31 (B21) and three locator protrusions 32 (B22); The top portion of said transmittance section 31 (B21) and light emitting diode 1 from and relatively; And have be used to make light that this light emitting diode 1 sent to around the hemispherical concave depressions of diffusion; Said locator protrusions 32 (B22) is relative with face 2a outstanding towards light emitting diode base plate 2 from this transmittance section 31; Lens 3 are positioned with respect to light emitting diode base plate 2, and the front end of this locator protrusions 32 is installed on the face 2a through bonding agent.Transmittance section 31 forms slightly forr a short time than the through hole 41 of reflector plate 4.

Reflector plate 4 (B5) is by having light reflective and forming with supporting mass 6 corresponding and roughly rectangular a slice synthetic resin sheet materials; Respectively with lens 3 corresponding positions on; Offer be that diameter will be big slightly than transmittance section 31 circular and be configured to latticed through hole 41; With connector 5 corresponding positions on, offer roughly rectangular and can supply connector 5 to insert the second logical through holes 42.

Supporting mass 6 (B6) is formed and is formed by metallic plate; The frame portion 62 (B62) that has roughly rectangular flat board 61 (B61) and link to each other with the periphery of this board 61; On a face 6a of board 61, take in light emitting diode base plate 2 abreast and support along long side direction and width.

In the light emitting diode base plate 2 of rectangle end and another end along long side direction, offer the patchhole 2c, the 2d (B33, B34) that supply rivet 8 (B7) to insert, said rivet 8 (B7) is used for light emitting diode base plate 2 is supported on supporting mass 6.The size of a patchhole 2c (B33) among two patchhole 2c, the 2d is littler than the size of another patchhole 2d (B34).Particularly; A patchhole 2c is that diameter is the circular hole of 2c1; Another patchhole 2d is a Long Circle long on the substrate long side direction along the size 2d1 of the substrate width direction big given size of diameter 2c1 (for example about 0.2mm～0.3mm) than patchhole 2c.Dispose each light emitting diode base plate 2, make the less patchhole 2c of size adjacent one another are on the end that light emitting diode base plate 2 is connected with larger-size patchhole 2d.

On the board 61 of supporting mass 6, be provided with through hole 61a (B64) accordingly with the position of each patchhole 2c, 2d, between the center of two patchhole 2c, 2d apart from k equal and each patchhole 2c, corresponding two the through hole 61a of 2d between the interval.Promptly; Light emitting diode base plate 2 is alignd with supporting mass 6; Make the hole site of less patchhole 2c of size and corresponding with it through hole 61a consistent, at this moment, corresponding through hole 61a is positioned at the center of larger-size patchhole 2d; Thereby the position relation between the patchhole 2c of each light emitting diode base plate 2,2d and each the through hole 61a is able to confirm.

Shown in Figure 109; Rivet 8 (B7) comprising: barrel member 81 (B71); This barrel member 81 (B71) has the external diameter g1 that can insert logical patchhole 2c, 2d and through hole 61a; The one of which end is provided with the flange part 81a (B71a) that can not run through patchhole 2c, 2d and through hole 61a, and the internal diameter g3 of its other end is littler than the internal diameter g2 of an end; And shaft component 82 (B72), this shaft component 82 (B72) has the end that can insert this barrel member 81 and diameter than the big axial region 82a of the internal diameter g3 of the other end and can not run through the head 82b (B82a) of patchhole 2c, 2d and through hole 61a.Barrel member 81 is processed by the synthetic resin material with shaft component 82.

On reflector plate 4 (B5), offering the 3rd through hole 43 (B54) of the slotted hole shape that links to each other with through hole 41 with rivet 8 corresponding positions, the 3rd through hole 43 (B54) has the big diameter of diameter than the head 82b of shaft component 82.

Then, the step that three light emitting diode base plates 2 that will connect into a row shape with rivet 8 is supported on the supporting mass 6 describes.At first; After patchhole 2c, 2d with each light emitting diode base plate 2 aim at each through hole 61a of supporting mass 6; Make barrel member 81 insert logical less patchhole 2c and the through hole 61a of size, and a face 2a of flange part 81a and light emitting diode base plate 2 is connected from face 2a one side of each light emitting diode base plate 2.Then, if insert the axial region 82a of shaft component 82, connect until the flange part 81a of its head 82b and barrel member 81, then the leading section of barrel member 81 can be strutted by the axial region 82a of shaft component 82 laterally.The leading section of the barrel member 81 that is strutted is laterally pushed the axial region 82a of shaft component 82 to the inside and it is kept; And the leading section of this barrel member 81 can't be inserted the through hole 61a of logical supporting mass 6, thereby can utilize rivet 8 that each light emitting diode base plate 2 is fixed on the supporting mass 6.

After such patchhole 2c less to size installs rivet 8 as stated, similarly larger-size patchhole 2d is installed rivet 8, utilize rivet 8, each light emitting diode base plate 2 is fixed on the supporting mass 6.At this moment; When utilizing connector 5 between adjacent light emitting diode base plate 2, to connect, the position of two substrates is along under the situation of substrate width deviation in driction appropriate location, and the through hole 61a of supporting mass 6 is not positioned at the central authorities of patchhole 2d; But owing to increased the size of patchhole 2d along the substrate width direction; Therefore, through hole 61a can not break away from the scope of patchhole 2d, thereby can rivet 8 inserted logical patchhole 2d and through hole 61a and installs.

After in the patchhole 2c of all light emitting diode base plates 2,2d, rivet 8 being installed; Through hole 41 is inserted logical by lens 3; Second through hole 42 is inserted logical by connector 5, the 3rd through hole 43 is inserted logical by each rivet 8, under such state; Reflector plate 4 is put on the light emitting diode base plate 2, make them relative.

Figure 110 is the cutaway view of structure that expression comprises the display unit of light supply apparatus involved in the present invention.This display unit comprises: display part 70 (A), and this display part 70 (A) roughly is cuboid, and its front side has display surface 72a; Light supply apparatus A (B), this light supply apparatus A (B) is disposed at the rear side of this display part 70; And shell 71 (D), this shell 71 (D) covers the periphery of display part 70 and the rear side of light supply apparatus A.

Display part 70 comprises display floater 72 (A1) with display surface 72a and the optical sheet 73 (C) that is disposed at these display floater 72 rear sides.Supporting frame 74 (A2) and back supporting frame 75 (A3) before utilizing carry out front and back clamping to the periphery of display floater 72, with the formation panel assembly, with after supporting frame 75 be installed on the periphery of supporting mass 6.

Optical sheet 73 is the duplexers that cascaded by thicker diffuser plate and thin synthetic resin sheet material; Said thicker diffuser plate spreads the light that the light emitting diode 1 as light source is sent, and said thin synthetic resin sheet material comprises reflection Polarizer, prismatic lens and diffusion sheet etc.Utilize the frame portion 62 of supporting mass 6 to keep the periphery of 75 pairs of optical sheets 73 of framework to carry out clamping with the back.

Split 71b (D2) after shell 71 (D) has split 71a (D1) before the shell of the periphery front side that covers display part 70 and covers the shell of dark dish type of periphery and rear side of light supply apparatus A utilizes external screw that said shell 71 (D) is installed in the frame portion 62 of supporting mass 6.

In addition; Though omitted diagram; But long side direction one sidepiece at board 61 another face 6b is equipped with the power circuit substrate; This power circuit substrate is connected with being connected with electrode part 22 of light emitting diode base plate 2 through second connector (B41), and the control circuit substrate that said display part is driven and controls is installed in length direction the other side.In addition, the length direction central portion of another face on board 61 is equipped with signal processing circuit substrate, and said signal processing circuit substrate is handled the vision signal of the display surface that is shown in said display part.

In above-mentioned embodiment 7; Use by barrel member 81 and the formed rivet 8 of shaft component 82 these two members to constitute fixture, but fixture also can be by the formed rivet of single member, in addition; Except rivet, also can wait to constitute fixture with screw, bolt and nut.

In addition; In above-mentioned embodiment 7; Adopted diameter three through hole 43 bigger than the diameter of the head 82b of rivet 8 is set, thus the structure that configuration header 82b can allow reflector plate 4 to stretch because of thermal expansion in the 3rd through hole 43, but in addition; Also can adopt following structure: promptly; Establish the diameter of head 82b bigger than the diameter of the 3rd through hole 43, the peripheral part that makes this head 82b separates around the 3rd through hole 43 of thickness direction and reflector plate 4 and relatively, thereby can prevent reflector plate 4 82b of excuse portion and to the direction bias of separating with light emitting diode base plate 2.

In said embodiment 7; Both ends at the long side direction of the light emitting diode base plate 2 of rectangle; Be provided with two patchhole 2c, 2d, but like Figure 111 A, Figure 111 B institute illustration, also can patchhole 2c, 2d more than three be set at a plurality of positions of the long side direction of light emitting diode base plate 2.In Figure 111 A; Show following situation: promptly, that size is not less patchhole 2c is arranged at the end of the long side direction of light emitting diode base plate 2, and it is arranged at the inside line of the long side direction of light emitting diode base plate 2; And larger-size patchhole 2d is arranged at the both ends of long side direction; In Figure 111 B, show following situation: promptly, that size is not less patchhole 2c is arranged at the end of the long side direction of light emitting diode base plate 2; And it is arranged at the inside line of the long side direction of light emitting diode base plate 2, and larger-size patchhole 2d is arranged at other three positions at the both ends that comprise long side direction.In addition, though omitted diagram, on reflector plate 4, offer the diameter big through hole of diameter accordingly than the head 82b of the shaft component 82 of rivet 8 with the position of each patchhole 2c, 2d.In this embodiment; Connect under the situation of a row shape at light emitting diode base plate 2 the polylith rectangle; The end of the light emitting diode base plate that is provided with larger-size patchhole 2d 2 is arranged to adjacent one another are, is further absorbed light emitting diode base plate 2 dislocation each other reliably thereby can utilize connector to connect to come.

In above-mentioned embodiment 7, light supply apparatus involved in the present invention is applied to the illumination of the display floater of liquid crystal indicator, but also can be applicable to the illumination of display floater of the display unit of other light emitting-types except that liquid crystal indicator.

Embodiment 8

Figure 112 is the cutaway view of major part of structure of the light supply apparatus of expression embodiment 8; Figure 113 is the vertical view of the part of said light supply apparatus; Figure 114 decomposes the resulting vertical view in back to the part of said light supply apparatus, and Figure 115 is the vertical view of a part of member of said light supply apparatus, and Figure 116 amplifies the resulting vertical view in back to the part of said light supply apparatus; Figure 117 is the stereogram that the structure of lensed light emitting diode base plate is installed in expression; Figure 118 is the cutaway view of the structure of expression rivet, and Figure 119 is the vertical view at the V-V line place of Figure 118, and Figure 120 is the cutaway view of the position relation between expression rivet and the lens.

Light supply apparatus comprises: polylith light emitting diode base plate 2 (B3), and this polylith light emitting diode base plate 2 (B3) is separated from each other and is arranged side by side, and a plurality of light emitting diodes 1 (B1) are installed on their the face 2a; A plurality of lens 3 (B2), these a plurality of lens 3 (B2) are installed on the face 2a of this light emitting diode base plate 2, and relative with the top of each light emitting diode 1, the light that this light emitting diode 1 is sent spreads; Reflector plate 4 (B5), this reflector plate 4 (B5) has the through hole 41 (B53) that is used at these lens 3 of internal configurations, puts on a face 2a of light emitting diode base plate 2, and the light that light emitting diode 1 is sent reflects; And supporting mass 6 (B6), this supporting mass 6 (B6) is positioned at another face 2b one side of light emitting diode base plate 2, and polylith light emitting diode base plate 2 is supported.

Have circuit part on the face 2a of light emitting diode base plate 2 (B3), be long and the wide bigger rectangle (rectangle) of ratio.On light emitting diode base plate 2 a face 2a separately, with essentially identical interval a plurality of light emitting diodes 1 are installed with being separated from each other along long side direction.Light emitting diode base plate 2 is the single face substrates that only have conductive part face 2a one side.The long side direction of the light emitting diode base plate 2 of polylith rectangle is unified into equidirectional, they are arranged side by side on a face 6a of roughly rectangular supporting mass 6 along long side direction and width with being separated from each other.In Figure 114; Show following example: promptly; The light emitting diode base plate that 6 light emitting diodes 1 are installed 2 is disposed at central authorities; Dispose the light emitting diode base plate 2 that 5 light emitting diodes 1 are installed in its both sides, three light emitting diode base plate 2 broad ways that are thus connected into a row shape are arranged side by side 8 row, and make the installation interval of the light emitting diode 1 on the light emitting diode base plate 2 basic identical.Then, the light emitting diode 1 on all light emitting diode base plate 2 is configured with interval roughly the same on two dimension.

Be provided with connecting portion 21,22 (B31, B32) at a face 2a of light emitting diode base plate 2 along the both ends of long side direction.In being arranged side by side into three light emitting diode base plates 2 of a row shape, the connecting portion 21,21 of adjacent light emitting diode base plate 2 is connected through connector 5 (B4) each other.In addition, of the back, the connecting portion 22 of light emitting diode base plate 2 that is positioned at an end of row is connected with the power circuit substrate through connector, and the connecting portion 22 of light emitting diode base plate 2 that is positioned at the other end of row is connected with short circuit connector.

Lens 3 (B2) comprising: transmittance section 31 (B21); A face 2a configured separate of this transmittance section 31 (B21) and light emitting diode base plate 2; With the top portion of light emitting diode 1 from and relatively, and have be used to make the light that sent by this light emitting diode 1 to around the hemispherical concave depressions 31a of diffusion; And three locator protrusions 32 (B22); These three locator protrusions 32 (B22) are outstanding to light emitting diode base plate 2 from the opposite face 31b of this transmittance section 31 relative with a face 2a of light emitting diode base plate 2; Lens 3 are positioned with respect to light emitting diode base plate 2, and the front end of this locator protrusions 32 is installed on the face 2a of light emitting diode base plate 2 through bonding agent.

Reflector plate 4 (B5) is by having light reflective and forming with supporting mass 6 corresponding and roughly rectangular a slice synthetic resin sheet materials; Respectively with lens 3 corresponding positions on; Offer be that diameter will be big slightly than transmittance section 31 circular and be configured to latticed through hole 41, offering roughly rectangular with connector 5 corresponding positions and can supply connector 5 to insert the second logical through holes 42.Through hole 41 forms greatlyyer slightly than the transmittance section 31 of lens 3.

Supporting mass 6 (B6) is formed and is formed by metallic plate; The frame portion 62 (B62) that has roughly rectangular flat board 61 (B61) and link to each other with the periphery of this board 61; On a face 6a of board 61, take in light emitting diode base plate 2 side by side and support along long side direction and width.

In the light emitting diode base plate 2 of rectangle end and another end along long side direction, offer the through hole 2c, the 2d (B33, B34) that supply rivet 8 (B7) to insert, said rivet 8 (B7) is used for light emitting diode base plate 2 is bearing in supporting mass 6.Through hole 2c (B33) among two through hole 2c, the 2d is a circular hole, and another through hole 2d (B34) is along the long Long Circle of substrate long side direction.On the board 61 of supporting mass 6, be provided with through hole 61a (B64) accordingly with the position of each through hole 2c, 2d.

Rivet 8 (B7) comprising: barrel member 81 (B71); This barrel member 81 (B71) has the external diameter g1 of the through hole 61a of through hole 2c, 2d and the supporting mass 6 that can insert logical light emitting diode base plate 2; The one of which end is provided with the flange part 81a (B71a) that can not run through this through hole 2c, 2d and through hole 61a, and the internal diameter g3 of its other end is littler than the internal diameter g2 of an end; And shaft component 82 (B72), this shaft component 82 (B72) can insert an end of this barrel member 81, and its diameter is bigger than the internal diameter g3 of the other end, is provided with the head 82a (B72a) that can not run through through hole 2c, 2d and through hole 61a at an end of this shaft component 82.Head 82a is at outer circumferential side and has discoideus to the side-prominent annular convex of shaft component 82 1.Barrel member 81 is processed by the synthetic resin material with shaft component 82.

At the head 82a of rivet 8,, be provided with a plurality of groove 82b (B74) towards the peripheral part opening in a side relative with a face 2a of light emitting diode base plate 2.Particularly, be provided with three groove 82b in said annular convex, it is radial that these three groove 82b are with the center side position 82 of the head 82a that links to each other with shaft component 82 that the center is, and roughly be 120 degree each other.Each groove 82b has the width of regulation.

The bottom of said groove 82b is positioned at than the position of the outer circumferential side end of the opposite face 31b of the transmittance section 31 of the lens 3 relative with a face 2a of light emitting diode base plate 2 more near the side of a face 2a of light emitting diode base plate 2.In Figure 120, the bottom that shows groove 82b is positioned at the example of face 2a one side, and the distance between the position of the outer circumferential side end of the bottom of this groove 82b and the opposite face 31b of transmittance section 31 is k.Thus, the light that 31 peripheral part penetrates from the transmittance section can not injected the inside of groove 82b, but is reflected by the outer surface of the head 82a of rivet 8, or be not reflected through becoming illumination light.

On reflector plate 4, offer the 3rd through hole 43 (B54) of the slotted hole shape that links to each other with second through hole 42 with rivet 8 corresponding positions, the 3rd through hole 43 (B54) has the diameter bigger than the diameter of head 82a.

Then, the step that three light emitting diode base plates 2 that will connect into a row shape with rivet 8 is supported on the supporting mass 6 describes.At first; After position alignment with each through hole 61a of through hole 2c, 2d and the supporting mass 6 of each light emitting diode base plate 2; Make barrel member 81 insert logical through hole 2c and through hole 61a, and a face 2a of flange part 81a and light emitting diode base plate 2 is connected from face 2a one side of each light emitting diode base plate 2.Then, if insert shaft component 82, connect until the flange part 81a of its head 82a and barrel member 81, then the leading section of barrel member 81 can be strutted by the front of shaft component 82 laterally.Because the leading section of the barrel member 81 that is strutted is laterally pushed the front of shaft component 82 to the inside and it is kept; And head 82a can't insert the through hole 61a of logical supporting mass 6; Therefore, can utilize rivet 8 that each light emitting diode base plate 2 is fixed in supporting mass 6.After that kind has been installed rivet 8 to the through hole 2c that is circular hole as stated, similarly the through hole 2d that is slotted hole is installed rivet 8, thereby utilize rivet 8, make each light emitting diode base plate 2 be fixed in supporting mass 6.

After in the through hole 2c of all light emitting diode base plates 2,2d, rivet 8 being installed; Through hole 41 is inserted logical by lens 3, second through hole 42 is inserted logical by connector 5, and the 3rd through hole 43 is inserted logical by each rivet 8; Under such state; Reflector plate 4 is put on the light emitting diode base plate 2, make them relative, thereby accomplish light supply apparatus.

Then, describe through the step that rivet 8 is fixed in the state on the supporting mass 6 removing each light emitting diode base plate 2.For example, shown in Figure 116, be positioned at a side adjacent with lens 3 owing to be arranged at a groove 82b among three groove 82b of head 82a, therefore, lens 3 can become barrier, thereby can't screwdriver be inserted this groove 82b.Yet; For with this groove 82b be 120 the degree locational two groove 82b; Lens 3 can not become barrier, therefore, if screwdriver is inserted any one groove among these two groove 82b; And make head 82a by force to a side shifting that breaks away from light emitting diode base plate 2; The leading section of the barrel member 81 that is then strutted laterally can revert back to original diameter, and this barrel member 81 can be inserted the through hole 61a of logical supporting mass 6 and through hole 2c, the 2d of light emitting diode base plate 2, thereby removes the stationary state between light emitting diode base plate 2 and the supporting mass 6.

Figure 121 is the cutaway view of structure of the display unit of the expression light supply apparatus that comprises embodiment 8.This display unit comprises: display part 70 (A), and this display part 70 (A) roughly is cuboid, and its front side has display surface 72a; Light supply apparatus A (B), this light supply apparatus A (B) is disposed at the rear side of this display part 70; And shell 71 (D), this shell 71 (D) covers the periphery of display part 70 and the rear side of light supply apparatus A.

Display part 70 comprises display floater 72 (A1) with display surface 72a and the optical sheet 73 (C) that is disposed at these display floater 72 rear sides.Supporting frame 74 (A2) and back supporting frame 75 (A3) before utilizing carry out front and back clamping to the periphery of display floater 72, with the formation panel assembly, with after supporting frame 75 be installed on the periphery of supporting mass 6.

Optical sheet 73 is the duplexers that cascaded by thicker diffuser plate and thin synthetic resin sheet material; Said thicker diffuser plate spreads the light that the light emitting diode 1 as light source is sent, and said thin synthetic resin sheet material comprises reflection Polarizer, prismatic lens and diffusion sheet etc.Utilize the frame portion 62 of supporting mass 6 to keep the periphery of 75 pairs of optical sheets 73 of framework to carry out clamping with the back.

Split 71b (D2) after shell 71 (D) has split 71a (D1) before the shell of the periphery front side that covers display part 70 and covers the shell of dark dish type of periphery and rear side of light supply apparatus A utilizes external screw that said shell 71 (D) is installed in the frame portion 62 of supporting mass 6.

In addition; Though omitted diagram; But length direction one sidepiece at board 61 another face 6b is equipped with the power circuit substrate; This power circuit substrate is connected with being connected with electrode part 22 of light emitting diode base plate 2 through connector (B41), and the control circuit substrate that said display part is driven and controls is installed in the other side of length direction.In addition, the length direction central portion of another face 6b on board 61 is equipped with signal processing circuit substrate, and said signal processing circuit substrate is handled the vision signal of the display surface that is shown in said display part.

Then, other embodiments to said rivet 8 describe.Figure 122 is the vertical view of rear side of head of rivet of the other light sources device of expression embodiment 8, and Figure 123 amplifies the resulting vertical view in back to the part of said other light sources device.In these other embodiments, the annular convex of the head 82a of said rivet 8 (B7) is provided with two groove 82c, and it is radial that these two groove 82c are with the center side position 82 of the head 82a that links to each other with shaft component 82 that the center is, and roughly is 90 degree each other.Shown in Figure 123; A groove 82c among two groove 82c (B74) is positioned at a side adjacent with lens 3; Lens 3 (B2) can become barrier and can't screwdriver be inserted this groove 82c, even but under these circumstances, for another groove 82c; Lens 3 can not become barrier, thereby can screwdriver be inserted this another groove 82c yet.

Then, second other embodiments to said rivet 8 describe.Figure 124 is the vertical view of rear side of head of rivet of the second other light sources device of expression embodiment 8.In these second other embodiments; The annular convex of the head 82a of said rivet 8 (B7) is provided with two groove 82d; It is radial that these two groove 82d are with the center side position 82 of the head 82a that links to each other with shaft component 82 that the center is, and roughly is 60 degree each other, identical with above-mentioned other embodiments; A groove 82d among two groove 82d is positioned at a side adjacent with lens 3; Thereby can't screwdriver be inserted this groove 82d, even but under these circumstances, also can screwdriver be inserted another groove 82d.In addition, about a plurality of groove angulations, also can be made as except that 120 degree, 90 degree and the angle arbitrarily 60 degree.In this case, become the state that can't insert screwdriver simultaneously, must have at least a groove to be positioned in a plurality of grooves and depart from the position of the center side position of the head 82a that will link to each other and the straight line that other grooves couple together with axial region 82 for fear of a plurality of grooves.

In above-mentioned embodiment 8; Be provided with diameter three through hole 43 bigger than the diameter of the head 82a of rivet 8; Configuration header 82a in the 3rd through hole 43, thus can allow reflector plate 4 to stretch because of thermal expansion, but in addition; Also can adopt following structure: promptly; Establish the diameter of head 82a bigger than the diameter of the 3rd through hole 43, the peripheral part that makes this head 82a separates around the 3rd through hole 43 of thickness direction and reflector plate 4 and relatively, thereby can prevent reflector plate 4 82b of excuse portion and to the direction bias of separating with light emitting diode base plate 2.

In addition, in above-mentioned embodiment 8, light supply apparatus involved in the present invention is applied to the illumination of the display floater of liquid crystal indicator, but also can be applicable to the illumination of display floater of the display unit of other light emitting-types except that liquid crystal indicator.

Embodiment 9

Figure 125 is the longitudinal sectional view of part-structure that expression possesses the display unit 7 of the related light supply apparatus of embodiment of the present invention 1.The left and right directions of Figure 125 is identical with the fore-and-aft direction of display unit 7, and then identical with the fore-and-aft direction of light supply apparatus 1.

Figure 126 and Figure 127 A are the horizontal cross and the front views of the structure of circuit substrate 2,2 coupling part each other that possessed of expression light supply apparatus 1, and Figure 127 B is the circuit substrate 2,2 that possessed of expression light supply apparatus 1 and the front view of the relation between the installation component 6.The above-below direction of Figure 126 is identical with the fore-and-aft direction of display unit 7, and then identical with the fore-and-aft direction of light supply apparatus 1 (B).In addition, Figure 126 is equivalent to the cutaway view of the VI-VI line among Figure 127 A.

Figure 128 be schematically show circuit substrate 2,2 ... the stereogram of the state that is arranged side by side, expression is installed on the state before the installation component 6 with reflector plate 4.

Shown in Figure 125, display unit 7 comprises display part 70 (A), shell 71 (D), preceding side frame body 72 (A2), back side frame body 73 (A3) and light supply apparatus 1 (B).

Below, at first the structure to light supply apparatus 1 describes.

Shown in Figure 125～Figure 128, light supply apparatus 1 (B) comprise polylith circuit substrate 2,2 ... (B3), reflector plate 4 (B5) and installation component 6 (B6).

Each circuit substrate 2 (B3) is rectangular plate shape comparatively elongated on left and right directions; First connecting portion (for example being the convex connecting portion) 21 is installed in the right part of positive 2a; Second connecting portion (in this case, being the matrix connecting portion) 22 is installed in the left part of positive 2a.That is, first connecting portion 21 is a left and right directions with the direction that second connecting portion 22 separates.

In addition, on first connecting portion 21 (B31) and the upper surface 2a between second connecting portion 22 (B32) on the circuit substrate 2, along long side direction be equipped with at interval suitable length a plurality of (being five in Figure 128) illuminating part 23,23 ... (B1).

In addition, on circuit substrate 2, be equipped with the driven for emitting lights portion 23,23 that is used for ... not shown driver.

Here, each illuminating part 23 (B1) uses light emitting diode.

In addition, on the positive 2a of each circuit substrate 2, with illuminating part 23,23 ... be provided with correspondingly a plurality of lens 24,24 ... (B2).Each lens 24 is rounded, relatively is configured with the top of illuminating part 23.Lens 24 make 23 of illuminating parts send light to spread.

Installation component 6 (B6) forms through metallic plate is formed, and is rectangular tabular, has the flat part 61 (B61) of rectangular flat shape and the frame portion 62 (B62) that links to each other with the periphery of flat part 61.The long side direction of flat part 61 (or short side direction) is identical with left and right directions (or above-below direction).

On the positive 6a of flat part 61, with the state that is arranged side by side into rectangular be equipped with circuit substrate 2,2 ....Consequently, illuminating part 23,23 ... (B1) be configured to rectangular.In Figure 128, example show along left and right directions be arranged side by side two and be arranged side by side along the vertical direction five circuit substrates 2,2 ... state.

In addition, be equipped with in the left part, the back side of installation component 6 respectively to circuit substrate 2,2 ... the driver not shown power circuit substrate (B10a) of supplying power.In addition, in the right part, the back side of installation component 6 the control circuit substrate that display part 70 is driven and controls is installed.

On the circuit substrate adjacent 2,2 along left and right directions; First connecting portion 21 of circuit substrate 2 that is disposed at the left side is electrically connected with second connecting portion 22 of the circuit substrate that is disposed at the right side 2 via first connector 25 (B4) that first connecting portion 21 and second connecting portion 22 is carried out bridge joint.

In addition, be installed on the high order end of flat part 61 circuit substrate 2,2 ... on second connecting portion 22,22 ... via not shown second connector (B41), be electrically connected respectively with the power circuit substrate.

In addition, be installed on the low order end of flat part 61 circuit substrate 2,2 ... on second connecting portion 22,22 ... be connected with short circuit connector respectively.

Reflector plate 4 (B5) is formed by synthetic resin sheet material, and the front of reflector plate 4 has highly reflective at least, be used to make illuminating part 23,23 ... the light that is sent reflects.In addition, reflector plate 4 is and the corresponding rectangle of the shape of installation component 6, is installed on the face side of installation component 6.

On reflector plate 4 with lens 24,24 ... the corresponding position of allocation position on, be formed with circular through hole 41,41 ... (B53).In addition, on reflector plate 4 with first connector 25,25 ... the corresponding position of allocation position on, be formed with rectangle through hole 42,42 ....

Through hole 41,41 ... internal configurations have lens 24,24 ...; Through hole 42,42 ... internal configurations have first connector 25,25 ...; Under such state, with reflector plate 4 be laminated in respectively circuit substrate 2,2 ... positive 2a, 2a ... on.

Then, the structure to the display unit shown in Figure 125 7 describes.

Light supply apparatus 1 (B) is used for display part 70 (A) is thrown light on, and it is disposed at the rear side of display part 70.

Display part 70 is rectangular, comprises display floater 701 (A1) and optical sheet 702 (C).

Display floater 701 for example is a display panels, and the front of display floater 701 constitutes the display surface 7a of display image.

Optical sheet 702 is relative with the back side of display floater 701, be disposed at display floater 701 and lens 24,24 ... between, make illuminating part 23,23 ... the light that is sent spreads.Optical sheet 702 is with Polarizer, prismatic lens or diffusion sheet etc. are formed to carry out range upon range of and duplexer that form than thin synthetic resin sheet material with reflecting with thicker diffuser plate.

For display floater 701, the periphery of display floater 701 is by preceding side frame body 72 and back side frame body 73 front and back clampings, thus the formation panel assembly.

Back side frame body 73 is installed on the frame portion 62 of installation component 6, and optical sheet 702 is by back side frame body 73 and framework 62 front and back clampings.

Shell 71 (D) has been taken in panel assembly, optical sheet 702 and light supply apparatus 1 display surface 7a being exposed from front openings and covering under the state of the part except that display surface 7a.

On the left and right directions central portion at the back side of the flat part 61 of installation component 6 (B6), the signal processing circuit substrate that the vision signal of the display surface that is shown in display floater 701 is handled is installed.

Under the situation of such light supply apparatus 1 of making display unit 7 as stated, the producer with circuit substrate 2,2 ... (B3) be installed on the flat part 61 (B61) of installation component 6 (B6).When each circuit substrate 2 is installed; On each circuit substrate 2; Be formed with the mark 31,32,33 (B38, B35) shown in Figure 126～Figure 128, make the producer can be easily and correctly confirm each circuit substrate 2 left and right directions towards (following only be called circuit substrate 2 towards).

Mark the 31,32, the 33rd, indication circuit substrate 2 towards the mark of each concavity.

With mark 31,32 (B38) be disposed at first connecting portion 21 near.Mark 31 is the rectangular excision shape parts that are through to the back side in the upper end of circuit substrate 2 from the positive 2a of circuit substrate 2.Likewise, mark 32 is the rectangular excision shape parts in the bottom of circuit substrate 2.

With mark 33 (B35) be disposed at second connecting portion 22 near.Mark 33 is the rounded holes that on the above-below direction central portion of circuit substrate 2, are through to the back side from the positive 2a of circuit substrate 2.

The internal diameter of mark 33 is bigger than the inside dimensions of mark 31,32.

Aforesaid mark 31,32 and mark 33 are formed at respectively on the right part and left part (in other words, being a side and the opposite side of the left and right directions of circuit substrate 2) of circuit substrate 2, their number, size, and shape have nothing in common with each other.

Therefore, the operator can be easily and a side that is formed with mark 31,32 of the circuit substrate 2 that judges rightly out be that the side that is formed with mark 33 of right side, circuit substrate 2 is left sides.

In addition, mark 31,32 also can have identical size and/or shape with mark 33.In addition, under size and/or variform situation, the number of mark that is formed at the right side of circuit substrate 2 also can be identical with the number of mark that is formed at the left side.

On the other hand, on installation component 6 (B6), all be formed with sign 51,52,53 (B69b, B68) in each installation site of circuit substrate 2.

Sign the 51,52, the 53rd, the sign of each convex of the installation site of indication circuit substrate 2, said sign 51,52,53 are outstanding respectively to be arranged on the positive 6a of flat part 61.Sign 51,52,53 can form in flat part 61 integratedly, also can be the member that was arranged in 6 minutes with installation component is fixed on that positive 6a goes up and the sign that forms.

To identify 51,52 (B69b) is disposed near the allocation position of first connecting portion 21.Sign 53 is disposed near the allocation position of second connecting portion 22. Sign 51,52,53 spacing distance each other is corresponding with mark 31,32,33 spacing distance each other.

Sign 51 (or identifying 52) are four prism type, will identify 51 (or identifying 52) and embed in the mark 31 (or mark 32), thereby engage with it.Identify 53 cylindrically, will identify 53 and embed in the marks 33, thereby engage with it.That is, sign 51,52,53 has with the mark that will engage 31,32,33 corresponding numbers, size, reaches shape.

The operator is through observing mark 31,32,33 and making finger contact mark 31,32,33, the direction of the circuit substrate 2 of avoiding misdeeming.In addition, observe sign 51,52,53, and make sign 51,52,53 contact the installation site that also correctly to grasp circuit substrate 2 easily with finger or circuit substrate 2 through direct observation sign 51,52,53 or through mark 31,32,33.

In addition, the operator contacts with installation component 6 through making circuit substrate 2, embeds in the marks 31,32,33 will identify 51,52,53, can be easily, correct and uniquely circuit substrate 2 is positioned.

Therefore, the operator can be installed on installation component 6 with the circuit substrate 2 that is disposed at the tram towards correct direction.In this case, the operator for example utilizes not shown a plurality of rivets (B7), and circuit substrate 2 is fixed in flat part 61.

At this moment, can prevent wrong circuit substrate 2 to be installed reversed left to rightly.Its reason is, the number of the left side of circuit substrate 2 and the mark on right side 31,32,33 and mark 51,52,53, size, and shape different.

In addition, under the situation that does not form mark 33 and sign 53, also can be different through the outward flange shape that makes circuit substrate 2 right parts and left part, the direction of coming indication circuit substrate 2, and see this as mark 31,32.In this case, the operator can be easily and a side that is formed with mark 31,32 of the circuit substrate 2 that judges rightly out are right sides, a side that is not formed with mark 31,32 of circuit substrate 2 is left sides.

In addition, the operator contacts with flat part 61 through making circuit substrate 2, embeds in the marks 31,32 will identify 51,52, can be easily, correct and uniquely circuit substrate 2 is positioned.

In this embodiment 9, example shows the structure that on circuit substrate 2 and installation component 6, forms a plurality of marks sign identical with number, but is not limited thereto.For example, also can adopt a mark that only is formed with in the mark 31,32,33 and identify any one and the structure of the corresponding sign of this mark in 51,52,53.In this case, can easily and correctly judge, and can position circuit substrate 2 to the direction of circuit substrate 2.

The mark that is formed at circuit substrate 2 also can adopt the structure that can only be used to confirm the direction of circuit substrate 2 and can not be used to locate.In this case, need not on installation component 6, to form the sign that engages with mark.In addition, mark also can be a convex.Perhaps, mark also can adopt the bight of the right part that makes circuit substrate 2 to form rectangular-shaped and make the bight of right part form circular-arc structure, or on the right side of circuit substrate 2, forms concavo-convex and make structure that the left side forms smoothly etc.

In the manufacturing operation of aforesaid light supply apparatus 1 and then in the manufacturing operation of display unit 7, circuit substrate 2,2 ... the efficient of fitting operation be improved.

Yet, also can come circuit substrate 2 is positioned through on circuit substrate 2 and installation component 6, printing the location respectively with sign.But; In this case; Cover if be printed on the circuit substrate 2 that the sign on the installation component 6 prepared to install, then need circuit substrate 2 be separated from the installation site singly, to observe the printing position that whether is printed with sign and/or sign on the installation component 6 etc.

That is, on installation component 6, form and easily to utilize sense of touch to grasp it to have or not and/or to form the method for sign 51,52,53 of convex of position etc. more favourable for the raising operability.

Generally, the color of circuit substrate 2, installation component 6 and first connector 25 etc. be respectively can reflect illuminating part 23,23 ... the color of the light that is sent (for example white) or be not easy to absorb illuminating part 23,23 ... the color of the light that is sent (for example cream-colored).

The periphery of the mark 31,32,33 in this embodiment is identical with the color of circuit substrate 2 and installation component 6 with the color that identifies 51,52,53; But in order to improve its visuality separately, the periphery of mark 31,32,33 and/or identify the color of leading section of 51,52,53 etc. also can be inequality with the color of circuit substrate 2 and installation component 6.But, this color only limit to reflect illuminating part 23,23 ... the color of the light that is sent or be not easy to absorb illuminating part 23,23 ... the color of the light that is sent.In addition, with mark 31,32,33 with identify 51,52,53 and be disposed under the locational situation that the sheet 4 that can be reflected covered, can these colors not limited yet.

In addition; In embodiment 9; With circuit substrate 2,2 ... be arranged side by side into multiple row equally spacedly, but in addition, also can to circuit substrate 2,2 ... dispose as follows: promptly; Make the size of space that is arranged side by side the direction center side shorter, and make the size of space that is arranged side by side the direction both sides longer.

The embodiment 9 that should think here to be disclosed all is expression for example in all respects, rather than restrictive.Scope of the present invention and not only have above-mentioned meaning also should comprise and the impartial meaning of the scope of claim and all changes in the claim scope.For example, circuit substrate 2 towards be not limited to left and right directions towards, also can be above-below direction towards.That is, first connecting portion 21,22 also can be employed in the structure of configured separate on the above-below direction.

In addition, as long as have effect of the present invention, in light supply apparatus 1 or display unit 7, also can comprise 9 inscapes that do not disclose of embodiment.

Embodiment 10

Figure 129 is the vertical view of lighting device involved in the present invention.Illustrated lighting device constitutes the backlight arrangement of the behind that is disposed at display panels; Be used for the whole face of this display panels irradiates light equably; Have and flat shape as the corresponding rectangle of display panels of shone thing; Comprise the backlight chassis 1 (B6) that is configured as shallow under casing shape, on whole of the inner base plate 10 (B61) of this backlight chassis 1, dispose a plurality of LED (light emitting diode) 2,2...... (B1) in length and breadth as light source.

Shown in Figure 129, LED2,2...... (B1) are unit with a plurality of (being 5 or 8 in the drawings), are installed on LED substrate 20, the 20...... (B3).LED substrate 20 (B3) has the rectangular shape of the long size of little width, and a plurality of LED2,2...... are installed on the width central portion of a face of LED substrate 20 with separating equal intervals along long side direction.

LED2 on the base plate 10 of backlight chassis 1, the configuration of 2...... are for example shown in Figure 129; Arrange along its length through LED substrate 20 that five LED2,2...... will be installed and the LED substrate 20 that eight LED2,2...... are installed, and they are arranged in multiple row (being nine row in the drawings) with separating equal intervals.In addition, the quantity of LED substrate 20,20...... and their configurations on base plate 10 are not limited to illustrated mode, can come suitably to set according to the size and the shape of backlight chassis 1.In addition, be installed on the LED2 of each LED substrate 20, the quantity of 2...... also is not limited to illustrated five or eight, can set suitable quantity for.

Figure 130 is the vertical view of backlight chassis 1, and the state before LED substrate 20, the 20...... is installed in expression.As shown in the drawing, on the base plate 10 of backlight chassis 1, positive and negative each a plurality of fixing hole 11,11...... (B64), locating hole 12,12...... (B67) and parts installing hole 13, the 13...... (B66) of being formed through.

Fixing hole 11,11...... (B64) are the holes that is used for fixing LED substrate 20,20......; Corresponding to the LED substrate 20 shown in Figure 129, the configuration of 20......; Four fixing holes to arrange along the length direction of base plate 10 are one group, equally spaced are disposed with nine row fixing holes along the width of base plate 10.In Figure 130, represent the position of LED substrate 20,20...... with double dot dash line.Four fixing holes 11,11...... of each row are positioned at the width central portion with two the LED substrates 20,20 that list, and lay respectively near the both ends of LED substrate 20,20.......

When utilizing drawing to make backlight chassis 1; Through locating hole 12,12...... (B67) are engaged with the projection that is arranged at molding die; Raw material plate is positioned with respect to this mould, for this reason, be provided with locating hole 12,12...... (B67).In the drawings, have in the face of base plate 10 three places be formed with locating hole 12,12 ....In order in the face of mould, to position, form three places above locating hole 12,12......, as shown in the figure, hope that it forms the position is to be set in equably in the face of base plate 10.

For the formation parts of liquid crystal indicator that cooling fan, power circuit, various stube cables etc. and backlight arrangement and this backlight arrangement of use are installed parts installing hole 13,13...... (B66) are set, these parts installing holes 13,13...... run through the relevant position that makes on the base plate 10 respectively to the rear side depression and the recess 14 that forms, the bottom of 14.......Can come suitably quantity and the configuration of parts installing hole 13,13...... to be set according to formation number of components and parts and the position that will install.In the drawings, four parts installing holes 13,13...... are disposed in the face of base plate 10 randomly.

In lighting device involved in the present invention; As stated; Locating hole 12,12...... and parts installing hole 13,13...... are arranged on the straight line that two fixing holes 11,11 that each LED substrate 20 is set are coupled together, make them at these fixing holes 11, between 11.

Figure 131 is the stereogram of the outward appearance of expression LED substrate 20.Figure 132 is the cutaway view at XII-XII line place that the mounting portion of LED substrate 20 is amplified Figure 129 of expression, and Figure 133 is also identical, is the cutaway view at the XIII-XIII line place of expression Figure 129.

Shown in these figure, lens 3,3...... (B2) that the top that is installed on LED2, the 2...... of LED substrate 20 is installed in the light diffusion usefulness of LED substrate 20 respectively cover.Lens 3 have circular flat shape, and shown in Figure 132, Figure 133, are to have the convex lens that face is smooth, another face bends to the cross sectional shape of convex shown in Figure 131.Central authorities at the smooth face of lens 3 are provided with recess 30 (B21), at the periphery of this recess 30, and outstanding integratedly many support foots 31, the 31...... (B22) of being provided with.Shown in Figure 132, Figure 133; In the lens 3 that adopt such structure; Make tabular surface down, LED2 is housed in the recess 30 of central authorities, thereby it is positioned; With three support foots 31,31...... respectively with LED substrate 20 carry out bonding, thereby lens 3 are fixing and be supported on the position of the surperficial suitable length that leaves LED substrate 20.

Shown in Figure 131, be provided with the outside portion of terminal 22,23 (B31, B32) that connects usefulness at the both ends of LED substrate 20.In addition, near the both ends of LED substrate 20, particularly be LED2,2 and the LED2 adjacent, between 2, be provided with the positive and negative through hole 21,21 (B33, B34) that runs through the center of width with them at two ends.The position of the fixing hole 11,11 on these through holes 21,21 and the such base plate 10 that is formed at backlight chassis 1 as stated is corresponding.LED substrate 20,20...... are disposed on the base plate 10; Make the position of each through hole 21,21 and each fixing hole 11,11 consistent; Shown in Figure 129; Substrate holder 6 (B7) is inserted the matching part of these through holes 21 and fixing hole 11, thereby LED substrate 20,20...... are fixed in backlight chassis 1.

Shown in Figure 132; Substrate holder 6 (B7) comprises from the outstanding fixed claw 61 of a face that is discoideus pressing plate 60; Make this fixed claw 61 pass the through hole 21 of LED substrate 20 and the fixing hole 11 of base plate 10; Engage with the periphery of the rear side of this fixing hole 11, thereby LED substrate 20 is clamped and fastened between pressing plate 60 and the support plate 1.In addition, said clamping is that the reflector plate 5 that is provided with across covering whole of base plate 10 carries out.Reflector plate 5 (B5) is the resinous sheet material that Merlon etc. has good light reflective.On the upper surface of LED substrate 20, also be coated with reflector plate 5, make the lens 3 (B2) of the installation site that covers LED2 each through hole 51 (B53), expose to the surface of this reflector plate 5 via the correspondence position that is formed at reflector plate 5.In addition, in Figure 129, omitted the diagram of reflector plate 5.

In addition, substrate holder 6 comprises the support projection 62 (B83) on another face that vertically is arranged at pressing plate 60.Of the back, this support projection 62 is set is for from the relative diffuser plate of the base plate of rear support and backlight chassis 1 10.Except adopting all substrate holders 6 all to have the structure of support projection 62, also can adopt a part of substrate holder 6 to have the structure of support projection 62.

Shown in Figure 129, connect with connector 4 (B4) and to be positioned at relative locational each portion of terminal 22,22, thereby two LED substrates 20,20 of arranging continuously along its length on the base plate 10 of backlight chassis 1 are connected mutually.The portion of terminal 23,23 of the other end is used for being connected with external power source, is installed on LED substrate 20, last LED2, the 2...... of 20...... is used to carry out luminous from the power supply of external power source.Utilization is by each lens 3, caused diffusion of 3...... and the effect that is multiplied each other by reflector plate 5 caused reflections; Evenly disperse in the face of the luminous base plate 10 at backlight chassis 1 that makes each LED2,2......, and shine and base plate 10 relatively on the shone things of configuration.

In lighting device involved in the present invention, on the base plate 10 of backlight chassis 1, have positive and negative locating hole 12,12...... (B67) and parts installing hole 13, the 13...... (B66) that runs through this base plate 10.These locating holes 12,12...... and parts installing hole 13,13...... have above-mentioned position relation with respect to the fixing hole that is used for fixing LED substrate 20 11,11......, and these locating holes 12,12...... and parts installing hole 13,13...... are in and as above-mentioned, are installed on the LED substrate 20 of these fixing holes 11,11......, the state that 20...... blocked.In addition, parts installing hole 13,13...... are arranged at and make base plate 10 depression and the recess 14 that is provided with, the inside of 14......, but LED substrate 20,20...... are blocked all these recesses 14,14.......

Therefore; Under user mode; Dust can not get into the inside of backlight chassis 1 through locating hole 12,12...... and parts installing hole 13,13......, thereby can prevent to cause taking place irradiates light optical problem such as illumination deficiency inhomogeneous etc., irradiates light because of surface that these dusts adhere to the surface that is piled up in LED2,2...... and lens 3,3...... and reflector plate 5.In addition, also can prevent to cause being formed on the last LED2 of LED substrate 20,20......, the drive circuit generation electric fault of 2...... because of surface that the dust with electric conductivity is attached to LED substrate 20,20.......

In addition; Can be via not escaped to the outside by light that LED2,2...... sent by locating hole 12,12...... and parts installing hole 13 that LED substrate 20,20...... blocked, 13......, thus the possibility of bringing uneasy sensation to the user who sees the light that spills also can be eliminated.

When backlight chassis 1 is designed; Suitably locating hole 12,12...... and parts installing hole 13,13...... are positioned with respect to fixing hole 11, the 11...... of LED substrate 20,20......, thereby can realize utilizing LED substrate 20,20...... to seal locating hole 12,12...... and parts installing hole 13,13.......

As implement shown in the mode 10; Use rectangular LED substrate 20 (B3) and utilizing near the fixing hole 11,11 the both ends that this LED substrate 20 is fixed under the situation of base plate 10; Locating hole 12 and parts installing hole 13 are formed on the straight line that is connected these fixing holes 11,11; Make them at two fixing holes 11, between 11, thereby can seal locating hole 12 and parts installing hole 13 reliably.LED substrate 20 has suitable elasticity; Only near utilizing 6 pairs of both ends of said substrate holder, fix; LED substrate 20 is close on the base plate 10 well; Thereby block locating hole 12,12...... and parts installing hole 13,13...... reliably, but, also can use bonding other fixing means that waits in the lump in order to ensure the reliability of this shutoff.Except locating hole 12,12...... and parts installing hole 13,13...... being disposed on the straight line that is connected two fixing holes 11,11; Make they at these fixing holes 11, between 11 beyond; Also can they be disposed at from the straight line that connects two fixing holes 11,11 on the position of the width bias of LED substrate 20, so long as can be got final product by the position that LED substrate 20 is sealed.

Recess 14 around the parts installing hole 13 is in order to guarantee the space in the rear side of the LED substrate 20 of blocking parts installing hole 13, parts is installed on parts installing hole 13 is provided with thereby can wait through fastening, banding.LED substrate 20, the through hole that 20...... blocked are not limited to said locating hole 12,12...... and parts installing hole 13,13......, also can be the holes that forms for other purposes.

In addition; The shape of LED substrate 20,20...... is not limited to rectangle; Also can be made as suitable shapes such as rectangle, positive direction or circle, in this case, in the design phase of backlight chassis 1; Also can realize reliable shutoff through suitably set the position of locating hole 12,12...... and parts installing hole 13,13...... with respect to the fixed position of LED substrate 20,20.......Yet; Because through LED substrate 20,20...... are made as rectangle, LED substrate 20,20...... that can a plurality of width are narrower be arranged side by side into multiple row discretely, therefore; Can reduce the gross area of LED substrate 20,20......; The cost of LED substrate 20,20...... can be reduced, and then the cost of lighting device can be reduced, and; No matter whether be arranged side by side discretely, can both seal locating hole 12,12...... and parts installing hole 13,13...... with LED substrate 20,20.......

Figure 134 comprises lighting device with structure as stated cutaway view as the liquid crystal indicator involved in the present invention of backlight arrangement.Liquid crystal indicator comprises the display panels 8 (A1) as image displaying part.In display panels 8; With multi-disc optical sheet 81,81...... (diffuser plate, reflection Polarizer, prismatic lens, diffusion sheet etc.) (C) carry out range upon range of; Keep framework 82 (A2) and back to keep framework 83 (A3) to grasp the periphery of these optical sheets integratedly before utilizing, thereby constitute Liquid crystal module.

The inside of the backlight chassis 1 (B6) that forms in that frame portion 15 (B62) is erected in the periphery of base plate 10 (B61); That kind is arranged side by side LED substrate 20,20...... (B3) as previously mentioned; Utilize reflector plate 5 to cover the top of these LED substrates; Thereby constitute backlight arrangement (B); Be fixed in the back side that the back keeps framework 83 through periphery, the LED2, the 2...... that are arranged on the base plate 10 are installed, make them across optical sheet 81,81...... and relative as the back side of the display panels 8 of shone thing with frame portion 15.

Substrate holder 6 is clamped to LED substrate 20,20...... and reflector plate 5 between itself and the base plate 10, and said substrate holder 6 comprises support projection 62.As shown in the figure, the front end of this support projection 62 and optical sheet 81 connect, and limit with the bending to this optical sheet 81, and suitably keep the LED2 on this optical sheet 81 and the base plate 10, the interval between the 2.......

Liquid crystal indicator adopts following structure: promptly; Keep framework 83 to be fixed on the shell 80a of front across preceding maintenance framework 82 and back Liquid crystal module and backlight arrangement; Keep framework 82 and back to keep the periphery of 83 pairs of Liquid crystal modules of framework and backlight arrangement to carry out clamping before said, utilize back side shell 80b to cover the back side of this front shell 80a.In the liquid crystal indicator that adopts such structure; Being arranged in the light that LED2,2...... sent on the base plate 10 of backlight chassis 1 shines on whole of the Liquid crystal module that relatively disposes with this base plate 10 equably; And see through optical sheet 81,81...... and display panels 8, on the display surface of the display panels 8 of the front surface opening that is exposed to front shell 80a, show desirable image.

In addition, aforesaid liquid crystal indicator is an application examples of lighting device involved in the present invention, and is self-evident, and lighting device involved in the present invention can be applicable to need be to the whole face of the planar shone thing various uses of irradiates light equably.

In above embodiment, used base 1, but base 1 also can be a tabular with base plate 10 and frame portion 15 incorporate box-shapeds.Figure 135 is the cutaway view of other embodiments of expression liquid crystal indicator involved in the present invention.Illustrated liquid crystal indicator comprises flat base 1.

Periphery at base 1 is fixed with framework 16, and this framework 16 is erected on the face (being arranged side by side the face of LED substrate 20,20......).Utilize rivet 17 to fix illustrated framework 16, but also can realize this and fix with bolt, appropriate method such as bonding.In the base 1 that adopts such structure; Be fixed in the back side that the back keeps framework 83 through periphery with framework 16; Said LED2, the 2...... that is arranged on the said face is installed, makes them across optical sheet 81,81...... and relative as the back side of the display panels 8 of shone thing.

Other structures of liquid crystal indicator shown in Figure 135 are identical with the liquid crystal indicator shown in Figure 134 with action, to corresponding composition member mark and Figure 134 common with reference to label, the explanation of elliptical structure and action.

Embodiment 11

Below, the accompanying drawing based on the related display unit of expression embodiment is elaborated to the present invention.

Figure 136 is the cutaway view of a part of structure that expression possesses the display unit of backlight arrangement involved in the present invention; Figure 137 amplifies the resulting cutaway view in back to the part of the structure of representing backlight arrangement involved in the present invention; Figure 138 is the cutaway view of structure of the rivet of expression backlight arrangement involved in the present invention; Figure 139 omits the resulting vertical view in back to the part of backlight arrangement involved in the present invention; Figure 140 decomposes the resulting schematic isometric in back to the part of backlight arrangement involved in the present invention, and Figure 141 A and Figure 141 B amplify the resulting vertical view in back to the part of the structure of the reflector plate of representing backlight arrangement involved in the present invention.

Shown in Figure 136, display unit comprises: display part 10 (A), and this display part 10 (A) roughly is cuboid, and its front side has the display surface of display image; Light supply apparatus A (B), this light supply apparatus A (B) is disposed at the rear side of this display part 10; And shell 11 (D), this shell 11 (D) covers the periphery of display part 10 and the rear side of light supply apparatus A.In addition; In shell 11; Terminal circuit substrate of taking in power circuit substrate that said display part 10 is supplied power, the image that is shown in said display part 10 being handled and polylith circuit substrates (not shown) such as control circuit substrate that said display part 10 is controlled are (B10); Based on output from these circuit substrates, to after LED1 (B1) and the display floater 12 (A1) stated drive.

Display part 10 (A) comprises display floater 12 (A1) with display surface and the optical sheet 13 (C) that is disposed at these display floater 12 rear sides.Keep framework 14 (A2) and back to keep framework 15 (A3) before utilizing, the periphery of display floater 12 is carried out the front and back clamping, with the formation panel assembly.Keep framework 15 to be installed on the periphery of supporting member 7 (B6) back.

Optical sheet 13 (C) is the duplexer that is cascaded by thicker diffuser plate and thin resin sheet; Said thicker diffuser plate is that the light that light-emitting component sends spreads equably to the LED1 as light source, and said thin resin sheet comprises reflection Polarizer, prismatic lens and diffusion sheet etc.

The frame portion 72 (B62) that supporting member 7 (B6) has board 71 (B61) and links to each other with the periphery of this board 71 is supported on the periphery of said diffuser plate in this frame portion 72.

Backlight arrangement A (B) involved in the present invention comprising: a plurality of LED1 (B1), and these a plurality of LED1 (B1) are arranged in rectangular, with as light source; Polylith LED substrate 2 (B3) is gone up this LED1 of installation at a face 2a of this polylith LED substrate 2 (B3), and edge both direction in length and breadth is arranged side by side; A plurality of connectors 3 (B4), these a plurality of connectors 3 (B4) are connected to each other adjacent LED substrate 2,2; Fulcrum post 4 (B8), this fulcrum post 4 (B8) supports optical sheet 13; A plurality of lens 5 (B2), these a plurality of lens 5 (B2) are installed on the face 2a of LED substrate 2, and relative with the top of LED1, the light that this LED1 is sent is dispersed; Reflector plate 6 (B5), this reflector plate 6 (B5) is relative with a face 2a of said LED substrate 2, and the light that lens 5 are dispersed reflects; Supporting member 7 (B6), this supporting member 7 (B6) supports LED substrate 2; And many rivets 8 (B7), with these many rivets 8 (B7) reflector plate 6 is fixed in said supporting member 7, float to prevent this reflector plate 6.

LED substrate 2 (B3) is a face 2a and has the rectangle of circuit part, and direction disposes the said LED substrate 2 of multiple row (B3) in length and breadth in a face upper edge of roughly rectangular supporting member 7.As shown in the figure, on LED substrate 2 a face 2a separately, a plurality of LED1 closely are installed each other along long side direction, be provided with connecting portion 21,22 (B31, B32) with terminal at the long side direction both ends of a face 2a.

Shown in Figure 139, along the long side direction of LED substrate 2 for example 5 or 6 LED1 (B1) are installed discretely, will be respectively be installed on the face 2a with bonding agent with LED1 corresponding 5 or 6 lens 5.

In the LED substrate 2 (B3) that is arranged side by side; Adjacent two connecting portions 21,21 (B31, B32) that are listed as LED substrate 2 along one of long side direction are connected to each other through connector 3 (B4); The connecting portion 22 of a LED substrate 2 is connected with the power circuit substrate through second connector (B41), and the connecting portion 22 of another piece LED substrate 2 is connected with short circuit connector.On LED substrate 2, offer fulcrum post patchhole 23 (B36), offering rivet patchhole 24 (B36) with rivet 8 corresponding positions with fulcrum post 4 corresponding positions.

Connector 3 (B4) roughly is cuboid, is provided with at the length direction both ends of one face and connecting portion 21,21 corresponding terminals, and when being connected with connecting portion 21,21, said connector 3 (B4) overlaps with a face 2a of LED substrate 2.

Lens 5 (B2) comprise transmittance section 51 (B21) and three locator protrusions 52 (B22); The top portion of said transmittance section 51 (B21) and LED1 from and relatively; And have be used to make light that this LED1 sends to around the hemispherical concave depressions of dispersing; Said locator protrusions 52 (B22) is relative with face 2a outstanding towards LED substrate 2 from this transmittance section 51, and transmittance section 51 is positioned with respect to LED substrate 2, is installed on the face 2a with the front end of bonding agent with this locator protrusions 52.

Locator protrusions 52 is set, makes the distance between transmittance section 51 and the LED substrate 2 longer slightly, thereby can absorb the thermal expansion of reflector plate 6 than the thickness of reflector plate 6.

Reflector plate 6 (B5) is by having forming with supporting member 7 corresponding and roughly rectangular a slice synthetic resin sheet materials of highly reflective; Offering through hole 61 (B53) with lens 5 corresponding positions respectively; Offering through hole 62 with connector 3 corresponding positions; Offering supporting pin-and-hole 63 (B55) i.e. first through hole, offering rivet hole 64 (B55) i.e. second through hole with rivet 8 corresponding positions with fulcrum post 4 corresponding positions.In addition, supporting pin-and-hole 63 has the diameter bigger than said fulcrum post patchhole 23, and rivet hole 64 has the diameter bigger than said rivet patchhole 24.Shown in Figure 141, be provided with aperture 65 (B55a) at the periphery that supports pin-and-hole 63, to use sign as identification.

Through hole 61 is diameter will big slightly circle than the transmittance section 51 (B21) of lens 5, is configured to rectangular.The transmittance section 51 of lens 5 is disposed in the through hole 61.Through hole 62 is roughly rectangular, and wherein embedding has connector 3.In addition, supporting pin-and-hole 63 is the circle bigger and littler than eaves portion 42 than the installation portion of fulcrum post 4 43, and it is logical to supply installation portion 43 to insert, and rivet hole 64 is the big and circle littler than head 81a of elastic portion 82b than rivet 8, and it is logical to supply elastic portion 82b to insert.

Supporting member 7 (B6) is formed and is formed by metallic plate; The frame portion 72 (B62) that has roughly rectangular flat board 71 (B61) and link to each other with the periphery of this board 71; On a face of board 71, take in LED substrate 2 abreast and support along long side direction and width.

Offering a plurality of through holes 73 (B65) on the supporting member 7 with on the said fulcrum post patchhole 23 corresponding positions.The diameter of the diameter of this through hole 74 and rivet patchhole 24 is basic identical.

Fulcrum post 4 (B8) comprising: cylindrical portion 41 (B83), and this cylindrical portion 41 (B83) is stretched out to a said face 2a direction from LED substrate 2, and its front end contacts with said optical sheet 13, limits with the bending to this optical sheet 13; Eaves portion 42, this eaves portion 42 stretches out to the horizontal direction outside from the perimeter sides of the cardinal extremity of cylindrical portion 41; And installation portion (foot) 43, this installation portion (foot) 43 is given prominence to from eaves portion 42 edges and cylindrical portion 41 opposite directions, and inserts fulcrum post patchhole 23 and through hole 73.

It is conical that cylindrical portion 41 roughly is, and is configured as one with eaves portion 42.Installation portion 43 comprises linking part 43a and two claw 43b, and said linking part 43a is column, and towards the direction opposite with cylindrical portion 41, said two claw 43b link to each other with the front end of this linking part 43a, and are clamped in the bore edges portion of through hole 74 from eaves portion 42.Installation portion 43 is inserted patchhole 23, thereby fulcrum post 4 is installed on LED substrate 2 and supporting member 7.Fulcrum post 4 is on the position relative with optical sheet 13; Distance with a contacted degree of face of the front end that only makes cylindrical portion 41 and optical sheet 13 is relative with optical sheet 13; Thereby the bending to optical sheet 13 limits, and is impartial to guarantee the distance between optical sheet 13 and the LED substrate 2.

Be installed under the situation on LED substrate 2 and the supporting member 7 at fulcrum post 4, the outer peripheral portion of eaves portion 42 extends to aperture 65 in the outside that is opened in the supporting pin-and-hole 63 on the said reflective sheet 6.Eaves portion 42 does not contact with reflector plate 6, is provided with a little gap between the two.Thus, under the situation that fulcrum post 4 has been installed, be aperture 65 that can't see the outside that is opened in supporting pin-and-hole 63.

In addition, shown in Figure 138, on the supporting member 7 with said rivet patchhole 24 corresponding positions on, offer a plurality of through holes 74 (B65).The diameter of this through hole 74 equates with the diameter of rivet patchhole 24 basically.

Rivet 8 (B7) is for example formed by metal or carbon source materials, is inserted into rivet patchhole 24 and through hole 74.Utilize this rivet 8, LED substrate 2 is fixed in supporting member 7.Rivet 8 comprises to be accepted rivet 82 (B71), and inserts rivet 81 (B72).

Accept the 82a of fastening portion (B71a) in the form of a ring that rivet 82 (B71) comprises that diameter is more bigger than the diameter of said rivet patchhole 24; The outer peripheral portion of the 82a of this fastening portion is in the outside of rivet patchhole 24 and be opened in the inboard of the rivet hole 64 on the said reflector plate 6, and fastening is in the marginal portion of rivet patchhole 24.Interior circumferential portion edge at the 82a of fastening portion circumferentially has been arranged side by side a plurality of elastic portion 82b.This elastic portion 82b is axially outstanding along the 82a's of fastening portion, inserts logical rivet patchhole 24 and through hole 74.The axial dimension of elastic portion 82b is bigger than the axial dimension of rivet patchhole 84 and through hole 74, and stretch out from through hole 74 vertically the outstanding end of elastic portion 82b.In the outstanding end of elastic portion 82b, be provided with the abutting part 82c that the radially inner side to the 82a of fastening portion stretches out with elastic portion 82b with being integral, between this abutting part 82c, 82c, be provided with the gap.

The inboard of abutting part 82c with after the 81b of foot that states connect, through the butt of the 81b of this foot, make elastic portion 82b crooked laterally, elastic portion 82b is contacted with the marginal portion of through hole 74.Therefore, between 82a of fastening portion and elastic portion 82b, LED substrate 2 and supporting member 7 in the front and back clamping.

Said insertion rivet 81 (B72) has the diameter head 81a (B72a) bigger than said inserting hole 11b, is provided with the rectangular columniform 81b of foot with head 81a at the central part of this head 81a.Fore-end at the 81b of this foot is formed with tapering 81ba, and the diameter forward end of the 81b of foot is diminished gradually.The diameter of the 81b of the foot head 81a near and the internal diameter size of the said fastening 82a of portion are basic identical, and the size when not inserting the 81b of foot between said abutting part 82c is big.In addition, stretch out to the 81b of foot one side the marginal portion of head 81a, the marginal portion of head 81a to stretch out width littler than the axial dimension of the said fastening 82a of portion.In addition, the diameter of head 81a is littler than the diameter of the eaves portion 42 of said fulcrum post 4.

The 81b of foot that inserts rivet 81 inserts the fastening 82a of portion, and the fore-end of the 81b of foot inserts in the gap between the abutting part 82c.Fore-end at the 81b of foot is formed with tapering 81ba, struts said gap through inserting the 81b of foot.Elastic portion 82b is crooked laterally, and connects with the marginal portion of through hole 74.Utilize elastic portion 82b and the 82a of fastening portion, come clamping supporting member 7 and LED substrate 2 with suitable pressure, thereby make LED substrate 2 be close to supporting member 7.

Head 81a and the 82a of fastening portion connect, and do not contact with reflector plate 6.Between the marginal portion and reflector plate 6 of the head 81a that extend out to the 81b of foot one side, be provided with a little gap.Utilize the edge part of head 81a to assign to maintain reflector plate 6.Thus, can prevent that reflector plate 6 from floating with respect to LED substrate 2.

In having the backlight arrangement of structure as stated, supporting member 7 is being put on operating desk, make under the open sides state up; A plurality of LED1 are installed on the face 2a; The LED substrate 2 that the lens 5 relative with this LED1 top separately are installed is disposed on the face of board 72 of supporting member 7, makes said LED substrate 2 approaching each other in the horizontal, be separated from each other in the vertical; And utilize connector 3, will link each other along horizontal adjacent LED substrate 2.Then, reflector plate 6 is put on the face 2a of each LED substrate 2, make them relative.

At this moment, each through hole 61 of reflector plate 6 is passed in the transmittance section 51 of lens 5, and connector 3 passes each through hole 62.In addition; Each fulcrum post patchhole 23 that respectively supports pin-and-hole 63, LED substrate 2 of reflector plate 6 and each through hole 73 of supporting member 7 are carried out location matches, each rivet hole 64 of reflector plate 6, each rivet patchhole 24 of LED substrate 2 and each through hole 74 of supporting member 7 are carried out location matches.

After the reflector plate 6 of packing into, mounting support pin 4 and rivet 8.Particularly, the installation portion 43 of fulcrum post 4 is passed supporting pin-and-hole 63 and the fulcrum post patchhole 23 of embedding LED substrate 2 and the through hole 73 and the chucking of supporting member 7 of reflector plate 6, thereby fulcrum post 4 is fixed in supporting member 7.Accepting after the through hole 74 of rivet patchhole 24 and supporting member 7 that rivet hole 64 that rivet 82 passes reflector plate 6 inserts LED substrates 2 with rivet 8; The 81b of foot that inserts rivet 81 is inserted the 82a of fastening portion that accepts rivet 82; The fore-end of the 81b of foot is inserted in the gap between abutting part 82c, thereby rivet 8 is fixed in supporting member 7.

Shown in Figure 140; The difference of the appearance and size between supporting pin-and-hole 63 and the rivet hole 64 is less; From being difficult to identification in appearance, be difficult to differentiate, but through utilizing aperture 65 to form identification marking at the periphery of supporting pin-and-hole 63; Can discern with naked eyes, thereby mistake can not take place in the installation between fulcrum post 4 and the rivet 8.

In addition, shown in Figure 141 A, in backlight arrangement involved in the present invention, the diameter of the head 81a of rivet 8 is littler than the diameter of the eaves portion 42 of fulcrum post 4.In addition, the aperture 65 of identification usefulness of the periphery that is opened in supporting pin-and-hole 63 is arranged at not can be covered by rivet 8 but can be supported on the position that pin 4 covers.Aperture 65 is set, makes fulcrum post 4 is being inserted under the situation of supporting pin-and-hole 63 that the eaves portion 42 that this aperture 65 can be supported pin 4 covers, and rivet 8 is being inserted under the situation of supporting pin-and-hole 63, can see at least a portion of this aperture 65.Thus,,, therefore, just can know and make mistakes at once owing to can see aperture 65 when mistake is installed on supporting during pin-and-hole 63 with rivet 8, thus mounting support pin 4 reliably.In addition, on the contrary, when mistake is installed on rivet hole 64 with fulcrum post 4,, thereby can support optical sheet 13 more reliably, in addition, can also keep, therefore, not have what special problem reflector plate because the radical of fulcrum post 4 can increase.

In addition, in the related backlight arrangement of this embodiment 11, utilize aperture 65 (B55a) to be used as identification marking.Can when forming supporting pin-and-hole 63, on reflector plate 6, form aperture 65.Therefore, can add reliably to go up to discern and use mark, and need not to expend special operation/process number with mark in order to add identification.In addition, identification marking is not limited at the aperture that is opened in reflector plate 6 65, as long as can when mounting support pin 4 and rivet 8, with the naked eye differentiate with rivet hole 64 supporting pin-and-hole 63.

In addition, in the related backlight arrangement of this embodiment 11, fulcrum post 4 is inserted supporting pin-and-holes 63 and is fixed in LED substrate 2 and supporting member 7, rivet 8 is inserted rivet holes 64 and is fixed in LED substrate 2 and supporting member 7, but be not limited thereto.For example, also can fulcrum post 4 and 8 in rivet be fixed in LED substrate 2.In addition, also can offer supporting pin-and-hole 63 and rivet hole 64, fulcrum post 4 and rivet 8 are inserted supporting pin-and-hole 63 and rivet hole 64 respectively and be fixed in supporting member 7 at the position that does not form LED substrate 2 of reflector plate 6.

In addition; In the related backlight arrangement of this embodiment 11, the aperture 65 that identification usefulness is set on reflector plate 6 is illustrated with the situation that prevents misloading rivet 8, but in addition; Also can adopt following structure: promptly; From the resist of a face 2a covering LED substrate 2, remove the resist that supplies around the rivet hole 64 that rivet 8 inserts, so that substrate is exposed.In this structure, owing to can when rivet 8 inserts rivet hole 64, cover the substrate around the hole, and can when rivet 8 not being inserted rivet hole 64, see the substrate around the hole, therefore, can easily find to have forgotten installation rivet 8.

More than based on accompanying drawing embodiment of the present invention is described in detail, but the present invention is not limited to said embodiment, in the scope of main points of the present invention, can carry out various distortion and implement.

Embodiment 12-1

Below, based on shown in accompanying drawing, the display unit related to embodiment 12-1 is described in detail.Figure 142 is the longitudinal sectional view of schematic representation display unit.

In the drawings, label 1 is the display floater with rectangle of liquid crystal, and this display floater 1 (A1) has following structure: promptly, control puts on the voltage of liquid crystal, and adjustment optical transmission rate is with display video.Keep framework 2 (A2) and back to keep framework 3 (A3) before utilizing, grasp the periphery of display floater 1, and it is accommodated in the rectangular box-like front casing 4 (D1).Keep before this front casing 4 is disposed at framework 2 and back keep framework 3 around.Front casing 4 has the opening of rectangle, and the size of this opening is corresponding with the size of display floater 1.The rear side of display floater 1 is provided with a plurality of optical sheets 5 (C), said a plurality of optical sheets 5 (C) with after the light of the LED as light source (light emitting diode (Light Emitting Diode)) 9 that states focus on to display floater 1.

The rear side of this optical sheet 5 is provided with diffuser plate 6, and this diffuser plate 6 spreads the light of LED9 equably.Use by the edge part of the support plate 7 of the formed dark dish type of metal and assign to support this diffuser plate 6.On the front surface of support plate 7 (B6), be arranged side by side polylith LED substrate 8 (B3), on the back surface of this LED substrate 8, be formed with by thermal conductivity material, the formed membranaceous radiating pattern 8a of for example metal.

On the front surface of this LED substrate 8 (B3), be equipped with a plurality of LED9,9 ..., 9 (B1), each LED9,9 ..., 9 front side dispose respectively the lens 10,10 that make light that diffusion take place ..., 10 (B2).On the periphery of these lens 10, along circumferentially being arranged side by side oriented LED substrate 8 one side-prominent three projection 10a, 10a, 10a (B22), the front end of this projection 10a through glue be engaged on the front surface of LED substrate 8.

Be respectively arranged with the supporting station (not shown) that the reflector plate 11 (B5) to dark dish type supports about said support plate 7.Offer a plurality of hole 11a (B53) that supply said lens 10 to insert in the bottom surface of this reflector plate 11.Each lens 10 passes said hole 11a and is side-prominent forward.

The rear side of support plate 7 is provided with the rear casing 12 (D2) of dark dish type.The longitudinal size and the lateral dimension of the longitudinal size of this rear casing 12 and lateral dimension and front casing 4 are basic identical, and the marginal portion of the marginal portion of rear casing 12 and front casing 4 against each other.Marginal portion at front casing 4 and rear casing 12 is respectively arranged with not shown engaging protuberance and engaging recessed part, makes this engaging recessed part and engages the protuberance engaging, so that said front casing 4 is fixed in rear casing 12.

Figure 143 is the simple rearview of support plate 7 being observed from rear side, and Figure 144 is the stereogram that schematic representation is opened near the through hole the edge of support plate.

Near the edge of support plate 7 (B6), has the side-prominent backward 7a of pyramid portion (protuberance) that forms of a part that makes support plate 7 through extrusion stretching processing.The through hole 7c (B61a) of the rectangle that before and after the top part 7b of the 7a of this pyramid portion offers, connects in this through hole 7c each marginal portion along long side direction, separates suitable length and is formed with two breach (engaging recessed part) 7d, 7d (B61b).It is different with size between the breach 7d that is formed at another marginal portion, 7d to be formed at the breach 7d, the size between 7d of a marginal portion.The outside at the end margin of along its length through hole 7c offers chucking hole 7e (B61c) at said top part 7b.After the chucking projection 41 (B91d) stated be clamped in this chucking hole 7e.

Shown in Figure 143; On the back surface of support plate 7, control circuit substrate 21 (B10b) that be provided with power circuit substrate 20 (B10a) that display floater 1 and LED substrate 8 grades are supplied power, display floater 1 is driven and controls and the signal processing circuit substrate 22 (B10c) that the vision signal of the display surface that is shown in display floater 1 is handled.On power circuit substrate 20, be connected with the conductor 25 (B40) of many wire, this conductor 25 is inserted logical said through hole 7c and is connected with LED substrate 8.Between power circuit substrate 20 and through hole 7c, utilize band 26 to tie up many conductors 25.In addition, conductor 25 insulated bodys cover.

In said through hole 7c, the chimeric protection tube 30 (B91) that has protection conductor 25 to leave the marginal portion of through hole 7c.The axial dimension of this protection tube 30 is shorter, and is corresponding and rectangular with the cross section and the through hole 7c of the protection tube 30 of axial quadrature.On protection tube 30, cap 50 (B92) is installed.On protection tube 30, the recess 30b (B91a) that states after being formed with under the situation that cap 50 is installed on protection tube 30, inserts between logical recess 30b and the cap 50 conductor 25.

Figure 145 is the vertical view that schematic representation is entrenched in the protection tube 30 among the through hole 7c; Figure 146 is the concise and to the point cutaway view at the VII-VII line place that puts down in writing of Figure 145; Figure 147 is the concise and to the point cutaway view at the VIII-VIII line place that puts down in writing of Figure 145, and Figure 148 is the concise and to the point cutaway view at the IX-IX line place that puts down in writing of Figure 145.

Shown in Figure 146 and Figure 147; One side in long side direction one end; Protection tube 30 along the two sides of long side direction in that to be the axial width of prismatic protection tube 30 narrower; The said width of pars intermedia is expanded to an axial end (below among Figure 146 and Figure 147) gradually, the said wider width of the other end one side.

Shown in Figure 145, long side direction one open-ended of protection tube 30 is provided with the web 30a that links to each other with the two sides along long side direction of protecting tube 30 in this end.30a is more smooth for this web, shown in Figure 145 and Figure 148, utilizes this web 30a and said two sides to form recess 30b (B91a).With the marginal portion of the recess 30b of the opposite side in a said end, be provided with hang plate 30c, this hang plate 30c links to each other with the pars intermedia that the axial width of above-mentioned protection tube 30 is expanded gradually.Between long side direction the other end of hang plate 30c and protection tube 30, the reinforcement plate 30d narrower with the axial rectangular width of protection tube 30 stretches out suitable length from the inner peripheral surface of protecting tube 30.On the reinforcement plate 30d that links to each other in the long side direction the other end with protection tube 30, protection tins 30 offers otch 30e.

Protection tube 30 (B91) size on long side direction and width is shorter slightly than the through hole 7c of rectangle, will protect tube 30 (B91) to be entrenched among the through hole 7c.Shown in Figure 146 and Figure 147, the part that is entrenched in part that the above-mentioned axial widths in the protection tube 30 among the through hole 7c expand gradually and said wider width is arranged between the front surface of a face (lower surface of Figure 146 and Figure 147) and support plate 7 of top part 7b of the 7a of pyramid portion.

Shown in Figure 146, protection tube 30 along on the side of long side direction, be arranged side by side two location-plates 31,31 (location division) along long side direction, these two location-plates 31,31 (location division) are outstanding from this side, and with the radial parallel of through hole 7c.This location division 31,31 is arranged in another face one side (upside of Figure 146) of said top part 7b.In addition, protection tube 30 along on the side of long side direction, be arranged side by side two tabular snap-latch pieces (engaging protuberance), 32,32 (B91b) along long side direction, the radial parallel of these two snap-latch pieces (engaging protuberance) 32,32 (B91b) and through hole 7c.On long side direction, this snap- latch piece 32,32 and said location- plate 31,31 alternate configurations are arranged in face one side (downside of Figure 146) of the top part 7b of the 7a of pyramid portion.Location- plate 31,31 and snap-latch piece 32, the size between 32 are longer slightly than the gauge of the top part 7b of the 7a of pyramid portion.

In addition, on a said side of protection tube 30, be provided with outwards outstanding claw 33, this claw 33 separates suitable length along long side direction and location- plate 31,31, is positioned at another face one side of said top part 7b.In addition, in a said side of protection tube 30, be positioned at the angle part of another face one side of said top part 7b, be provided with along this angle part the outwards outstanding L-shaped abutting part 34 (B91c) of seeing from the side in said long side direction one end side.This abutting part 34 with after state bend 55 (B92a) and connect.

On the other hand, shown in Figure 147, protection tube 30 along on another side of long side direction, be arranged side by side two location-plates 35,35 along its length, the radial parallel of these two location-plates 35,35 and through hole 7c.This location division 35,35 is arranged in another face one side (upside of Figure 147) of top part 7b.In addition, protection tube 30 along on another side of long side direction, be arranged side by side two tabular snap-latch pieces 36,36 (B91b) along long side direction, the radial parallel of these two snap-latch pieces 32,32 (B91b) and through hole 7c.On long side direction, this snap-latch piece 36,36 and said location-plate 35,35 alternate configurations are arranged in face one side (downside of Figure 147) of the top part 7b of the 7a of pyramid portion.This snap-latch piece 36,36 and be arranged on the width of protection tube 30, being disposed on the asymmetric position of protection tube 30 along the said snap-latch piece 32,32 on the said side of long side direction.Snap-latch piece 36, the size between 36 are longer than said snap-latch piece 32, size between 32.In addition, under the situation that cap 50 is installed on protection tube 30, the position of snap-latch piece 32,32 and snap-latch piece 36,36 is corresponding with four said breach 7d.

In addition, on said another side of protection tube 30, be provided with outwards outstanding claw 37, this claw 37 separates suitable length along long side direction and location- plate 35,35, is arranged in another face one side (upside of Figure 147) of said top part 7b.This claw 37 and be arranged on the width of protection tube 30, being disposed on the position of symmetry of protection tube 30 along the said claw 33 on the said side of long side direction.Said location- plate 35,35 and snap-latch piece 36, the size between 36 are longer slightly than the gauge of the top part 7b of the 7a of pyramid portion.In addition, in said another side of protection tube 30, be positioned at the angle part of another face one side of said top part 7b, be provided with along this angle part the outwards outstanding L-shaped abutting part 38 (B91c) of seeing from the side in said long side direction one end side.This abutting part 38 with after state bend 55 (B92a) and connect.

Shown in Figure 146 and Figure 147, on said web 30a, be provided with the card-tight part 39 that stretches out to a said axial end from web 30a.This card-tight part 39 is clamped in the marginal portion of the through hole 7c of broad ways.On the lateral surface of long side direction the other end of protecting tube 30, be provided with the extension 40 of the ligule that stretches out to long side direction.This extension 40 is positioned at face one side of said top part 7b, in the end of stretching out of extension 40, is provided with accordingly to the side-prominent chucking projection 41 (B91d) of another face one with said chucking hole 7e (B61c).This chucking projection 41 is clamped in the chucking hole 7e that offers on the said top part 7b, thereby upwards protection tube 30 is positioned in the footpath of said through hole 7c.

Two angle parts in long side direction the other end of protection tube 30 are provided with the location-plate (location division) 42,42 that stretches out from along the side of the side of long side direction and broad ways.The perforation direction quadrature of this location- plate 42,42 and through hole 7c is positioned at face one side of said top part 7b.This location- plate 42,42 be positioned on the said perforation direction with above-mentioned location- plate 31,35 essentially identical positions on.Therefore, each location- plate 31,35,42 and said snap- latch piece 32,36 are disposed at the both sides of the end face of the 7a of pyramid portion, thereby protection tube 30 are positioned along the perforation direction of through hole 7c.

In addition; With each snap- latch piece 32,36 be disposed at each corresponding position of breach 7d on, it is chimeric that protection tube 30 and through hole 7c are carried out, in this case; Each snap- latch piece 32,36 is engaged with each breach 7d, thereby make each snap- latch piece 32,36 be positioned at face one side of top part 7b.Then; Make under location- plate 31,35,42 and the contacted state of top part 7b; Make protection tube 30 break away moving to length direction the other end one; Thereby said chucking projection 41 is clamped in said chucking hole 7e, and each location- plate 31,35,42 and said snap- latch piece 32,36 are disposed at the two sides side of top part 7b respectively.At this moment; Shown in Figure 146 and Figure 147; Location- plate 31,35,42 contacts with top part 7b, and the part that is entrenched in part that the above-mentioned axial widths in the protection tube 30 among the through hole 7c expand gradually and said wider width is positioned at the rear side of the front surface of support plate 7.

On the part of the side-prominent protection tube 30 of another face of top part 7b one, dispose said cap 50.Figure 149 is the vertical view of schematic representation cap 50; Figure 150 is the concise and to the point side view that the F1 direction put down in writing from Figure 149 is observed; Figure 151 is the concise and to the point side view that the F2 direction put down in writing from Figure 149 is observed; Figure 152 is the concise and to the point cutaway view at the XI-XI line place that puts down in writing of Figure 149, and Figure 153 is the concise and to the point side view that the F3 direction put down in writing from Figure 149 is observed.

Cap 50 (B92) comprises the sealing board 51 that puts the rectangle on protection tube 30, on long side direction, stride across pars intermedia from an end and side surface part 53 that the side surface part 52,52 that links to each other with the marginal portion of sealing board 51 and broad ways link to each other with the marginal portion of sealing board 51.Shown in Figure 149, on two angle parts of long side direction one end of sealing board 51, be formed with breach 54,54.This breach 54,54 is provided with bend 55,55 (B92a), and this bend 55,55 (B92a) links to each other with said side surface part 52,52, and is bent to L shapedly, makes breach 54 1 sides depressions.This bend 55 stretches out to long side direction one end of sealing board 51, forms the space by bend 55 and breach 54.Shown in Figure 153, on sealing board 51, at breach 54,54 each other, be provided with the elastic component 70 that extends to bend 55 1 side-prominent broad ways.

Long side direction the other end of sealing board 51 is narrower slightly than pars intermedia.On long side direction the other end of sealing board 51, be provided with the fastening portion 56,56 (B91e) of hook-type in marginal portion along long side direction, this fastening portion 56,56 (B91e) is to giving prominence to (with reference to Figure 151) with said elastic component 70 identical directions.Shown in Figure 150 and Figure 152, offer fastening hole 56a, 56a in the part of sealing board 51 1 sides of fastening portion 56,56.

Then, subtend protection tube 30 installation caps 50 describe.Figure 154 and Figure 155 are that subtend protection tube 30 is installed the key diagram that cap 50 describes.In addition, in Figure 154, omit record to conductor 25.

Shown in Figure 154, installing under the situation of caps 50 to protection tube 30, at first make many conductors 25 insert logical protection tube 30 and be disposed in the recess 30b.Then, shown in Figure 154, cap 50 is set as the posture that relative top part 7b tilts, abutting part 34,38 is inserted by in bend 55 and the breach 54 formed spaces, the medial angle of abutting part 34,38 and bend 55,55 is partly connected.Then, be fulcrum with abutting part 34,38, make cap 50 near protection tube 30, fastening portion 56,56 and claw 33,37 are connected and make its generation elastic deformation.Then, make cap 50 more near protection tube 30, make claw 33,37 fastenings in the fastening hole 56a, 56a.At this moment, shown in Figure 155, conductor 25 is clamped in recess 30b between elastic component 70 and the web 30a.Web 30a is more smooth, and many conductors 25 closely are arranged in the recess 30b regularly.

In the related display unit of embodiment 12-1; Because will insert the many conductors 25 that led to through hole 7c is disposed in the recess 30b, therefore, under the situation of blocking protection tube 30 with cap 50; Clamping has many conductors 25 in the said recess 30b; Thereby can at short notice conductor 25 be come together in the recess 30b, in addition, can prevent that dust from getting into from through hole 7c.

In addition; Because conductor 25 is clamped between elastic component 70 and the web 30a, utilizes the elastic force of elastic component 70 that conductor 25 is closely compiled, and fill up the gap in the recess 30b; Therefore; Can at short notice conductor 25 be come together in the recess 30b, in addition, can prevent reliably that dust from getting into from through hole 7c.

In addition, owing to can utilize smooth web 30a easily conductor 25 to be arranged in the recess 30b regularly, thus conveniently closely compile, therefore, can reliably conductor 25 be banded in the recess 30b.

As previously mentioned; It is different with size between the breach 7d that is formed at another marginal portion, 7d to be formed at the breach 7d, the size between 7d of a marginal portion; Corresponding to this different size, the size that snap-latch piece is 36,36 is longer than the size of 32,32 of said snap-latch pieces.Therefore, only will protect tube 30 to be disposed under the situation in the through hole 7c towards prescribed direction ground, the snap- latch piece 32,36 that is formed at the outer peripheral portion of protection tins 30 could engage with the breach 7d of the marginal portion that is formed at through hole 7c.Thus, can avoid the operator assembling misdeem during display unit protection tube 30 towards, and will protect tins 30 to be installed among the through hole 7c, thus can be rapidly and assemble display unit reliably.

In addition; Because protection tube 30 is entrenched in the through hole 7c that is arranged at the 7a of pyramid portion; Thereby location- plate 31,35,42 contacts with top part 7b; The part that is entrenched in part that the above-mentioned axial widths in the protection tube 30 among the through hole 7c expand gradually and said wider width is positioned at the rear side of the front surface of support plate 7; Therefore, protection tube 30 can not connect with the parts of the front surface that is arranged on support plate 7 one side, thereby can not be entrenched in the assembling that hinders display unit in the through hole 7c because of making protection tube 30.

In addition, owing to protecting chucking hole 7e and chucking projection 41 are set on the tube 30,, therefore, can reliably protection tube 30 be installed among the through hole 7c with radially protection tube 30 being positioned of the said through hole 7c in edge at said support plate 7.

In addition, owing to utilize location- plate 31,35,42 said protection tube 30 to be positioned, therefore, can reliably protection tube 30 be fixed in through hole 7c along the perforation direction of through hole 7c.

In addition; Under the situation that cap 50 is installed on protection tube 30; Because the angle of the inboard of abutting part 34,38 and bend 55,55 is connected, and be that fulcrum makes cap 50 to 30 rotations of protection tube, therefore with abutting part 34,38; The operator can easily be installed to cap 50 on the protection tube 30, thereby can make display unit at short notice efficiently.

In addition and since make claw 33,37 fastenings in the fastening hole 56a, 56a, thereby cap 50 is fixed in protection tube 30, therefore, can prevent that the cap of being installed 50 breaks away from from protection tube 30.

In addition, owing to support plate 7 is not implemented to be used to make conductor 25 to insert logical complicated shape, the shaping of for example flute profile injury-freely, therefore, can make support plate 7 at short notice.In addition, can utilize protection tube 30 to prevent that conductor 25 from sustaining damage because of the edge of through hole 7c.

In the related display unit of embodiment 12-1; In through hole 7c, be formed with breach 7d; In protection tube 30, be provided with snap- latch piece 32,36, but also can in through hole 7c, snap-latch piece be set, the engaging recessed part 30b that supplies said snap-latch piece to engage is set in the periphery of protecting tube 30.In addition, extension 40 is provided with the fastening projection, and top part 7b is provided with fastening hole 7e, but also can the fastening projection be set on top part 7b, and fastening hole 7e is set on extension 40.In addition,, also can on cap 50, form recess 30b, in addition, also can form recess 30b respect to one another with protecting on tube 30 these two parts at cap 50 though only on protection tube 30, be formed with recess 30b.

In addition, the related display unit of embodiment 12-1 uses LED9 to be used as light source, but also can use fluorescent tube to be used as light source.In this case, fluorescent tube is installed on the support plate 7 via tube stand.In addition, also can adopt following structure: promptly, do not use light sources such as LED or fluorescent tube, and the irradiative panel of use itself, for example organic EL panel are used as display floater, and control signal is inputed to this display floater from signal processing circuit 21.

Embodiment 12-2

Below, based on shown in accompanying drawing, the display unit related to embodiment 12-2 is described in detail.Figure 156 and Figure 157 are that the protection tube 30 of subtend display unit is installed the key diagram that cap 50 describes, and Figure 158 is to amplifying the also stereogram of schematic representation near the engaging axle.In addition, in Figure 156, omit record to conductor 25.

Shown in Figure 156, along on the two sides of long side direction, be respectively arranged with two claws 80,80 at said protection tube 30, this claw 80,80 is positioned at another face one side of top part 7b.Be respectively arranged with the side surface part 58 that strides across pars intermedia from the other end and form along two marginal portions of long side direction at sealing board 51, on this side surface part 58, offer two with said claw 80,80 corresponding fastening hole 58a, 58a.The other end of sealing board 51 becomes thin elasticity board 51a, is provided with in two angle parts of this elasticity board 51a to width outstanding butt axle (abutting part) 51b, 51b.End one side at protection tube 30 is provided with along the two sides outwardly directed L shaped bend 45,45 of long side direction from protection tube 30.

Installing under the situation of caps 50 to protection tube 30, at first making many conductors 25 insert logical protection tube 30 and be disposed in the recess 30b.Then, shown in Figure 156, cap 50 is set as the posture that relative top part 7b tilts, shown in Figure 158, the medial angle of butt axle 51b and bend 45,45 is partly connected.Then, be fulcrum with abutting part 51b, make cap 50 near protection tube 30, side surface part 58 and claw 80,80 are connected and make it that elastic deformation take place.Make cap 50 more near protection tube 30, make claw 80,80 fastenings in the fastening hole 58a, 58a.At this moment, shown in Figure 157, conductor 25 is clamped in recess 30b between elasticity board 51a and the web 30a.Web 30a is more smooth, many conductors 25 regularly dense arrangement in recess 30b.In addition, also can on elasticity board 51a, elastic component 70 be set, conductor 25 is clamped between this elastic component 70 and the web 30a.

Within the structure of the display unit that embodiment 12-2 is related, the identical label of structure mark for identical with embodiment 12-1 omits its detailed description.

Label declaration

(embodiment 1-1 is to embodiment 1-5)

1 light emitting diode (light source)

2 light emitting diode base plates (circuit substrate)

5 reflector plates

51 plat parts

The 51a bight

52 framework parts

The 52a bight

53 (53a, 53b), second fold line

53c is by bending part

54 excision portions

55 two-sided tapes (combination member)

56 eaves portions

57 excision portions

58 otch

6 support housings

70 display parts

The A light supply apparatus

(embodiment 2-1 is to embodiment 2-6)

1 light emitting diode (light source)

2 light emitting diode base plates (circuit substrate)

21 connecting portions

3 connectors

5 reflector plates

52 otch

The long limit of 52a

The 52b minor face

54 second otch

The long limit of 54a

The 54b minor face

55 three cutses

The long limit of 55a

The 55b minor face

56 otch

The long limit of 56a

The 56b minor face

57 the 4th otch

The long limit of 57a

The 57b minor face

50,58,59 otch

70 display parts

The A light supply apparatus

(embodiment 3-1 is to embodiment 3-2)

1 display floater

6 diffuser plates

7 support plates

The 7a through hole

7b, 8b locating hole

8 LED substrates (substrate)

The 8a substrate aperture

9 LED (light-emitting component)

11 reflector plates

11a sheet material hole

11b, 11c, 11d inserting hole

20 rivets

21,31,41 insert rivet

21a, 31a, 41a head

21b, 31b, 41b foot

22 accept rivet

22a fastening portion

The 22b elastic portion

The 22c abutting part

30 quilting rivets

The 31c location division

40 supporting rivets

The 41c support

(embodiment 4)

1 light emitting diode (light-emitting component)

2 light emitting diode base plates (circuit substrate)

2A light emitting diode base plate (circuit substrate)

Face of 2a

Another face of 2b

The 2c inserting hole

The 2d inserting hole

The 2e1 inserting hole

The 2e2 inserting hole

The 2e3 inserting hole

The 2e4 inserting hole

The 2e5 inserting hole

The 2e6 inserting hole

4 reflector plates (reflecting member)

4A reflector plate (reflecting member)

43 the 3rd through holes (opening)

6 supporting masses

The 61a through hole

8 rivets (fixture)

81 barrel members

The 81a flange part

82 shaft components

The 82a head

70 display parts

The 72a display surface

The A light supply apparatus

(embodiment 5-1 and embodiment 5-2)

1 display floater

7 support plates

7a second through hole (through hole)

8 substrates

8a first through hole (through hole)

9 light emitting diodes (light-emitting component)

10 lens

11 reflector plates

11a sheet material hole

The 11b hole

The 11c inserting hole

20 rivets (fixed component)

21 insert rivet

The 21a head

21b foot

22 accept rivet

30 screws

The 30a head

30b axial region (foot)

31 packing rings

(embodiment 6-1 is to embodiment 6-4)

The A display part

The B light source portion

3 light emitting diodes (light source)

4 light emitting diode base plates (circuit substrate)

7 light-reflecting sheets

71 plat parts

74 through holes

75,78 slotted holes

76 second holes

8 supporting masses

84 primary importances are set the hole

85 second places are set the hole

9 the first axle bodies (primary importance configuration part)

91b sets axial region

9b screw division (setting axial region)

10 the second axle bodies (second place configuration part)

10c eaves portion (setting axial region)

Footpath axial region (setting axial region) among the 10g

(embodiment 7)

1 light emitting diode (light-emitting component)

2 light emitting diode base plates (circuit substrate)

Face of 2a

Another face of 2b

2c, 2d patchhole

21 connecting portions

5 connectors

51 plugs (connector portion)

The 51a metal fittings

52 sockets (connector portion)

The 52a pin electrode

6 supporting masses

The 61a through hole

8 rivets (fixture)

81 barrel members

The 81a flange part

82 shaft components

The 82a head

70 display parts

The 72a display surface

The A light supply apparatus

(embodiment 8)

1 light emitting diode (light-emitting component)

2 light emitting diode base plates (circuit substrate)

Face of 2a

Another face of 2b

2c, 2d through hole

3 lens

The 31b opposite face

6 supporting masses

The 61a through hole

8 rivets

81 barrel members (axial region)

The 81a flange part

82 shaft components (axial region)

The 82a head

82b, 82c, 82d groove (recess)

70 display parts

The 72a display surface

The A light supply apparatus

(embodiment 9)

1 light supply apparatus

2 circuit substrates

21 first connecting portions

22 second connecting portions

23 illuminating parts

31,32,33 marks

51,52,53 signs

6 installation components

7 display unit

The 7a display surface

70 display parts

(embodiment 10)

1 backlight chassis (base)

2 LED (solid-state light emitting element)

3 lens

8 display panels

10 base plates

11 fixing holes

12 locating holes (through hole)

13 parts installing holes (through hole)

14 recesses

20 LED substrates

(embodiment 11)

The A backlight arrangement

1 LED (light-emitting component)

2 LED substrates

4 fulcrum posts

41 cylindrical portion

42 eaves portions

43 installation portions

6 reflector plates

63 supporting pin-and-holes (first through hole)

64 rivet holes (second through hole)

65 apertures

7 supporting members

8 rivets

The 81a head

81b foot

13 optical sheets

(embodiment 12-1 and embodiment 12-2)

1 display floater

9 LED (light source)

7 support plates

7a pyramid portion (protuberance)

The 7c through hole

7d breach (engaging recessed part)

7e tightens the hole

20 power supply boards

21 signal processing substrates (circuit substrate)

22 control substrates

25 conductors

30 protection tubes

The 30b recess

31,42 location-plates (location-plate)

32 snap-latch pieces (engaging protuberance)

33,80 claws

34,38 abutting parts

41 chucking projections

45,55 bends

50 caps

51b butt axle (abutting part)

56a, 58a fastening hole

70 elastic components

Claims (15)

1. light supply apparatus comprises: the polylith circuit substrate, on the face of this polylith circuit substrate light-emitting component is installed, and this polylith circuit substrate is with the consistent mode configured separate of face direction; Supporting mass, this supporting mass are positioned at another face one side of said polylith circuit substrate, and said polylith circuit substrate is supported; And connector; This connector is formed with the patchhole that a plurality of confession fixtures insert discretely with being electrically connected between the circuit substrate adjacent in the said polylith circuit substrate on each circuit substrate, said fixture is used for each circuit substrate is fixed in said supporting mass; It is characterized in that

The size of a patchhole among said a plurality of patchhole is littler than the size of other patchholes.

2. light supply apparatus as claimed in claim 1 is characterized in that,

Said circuit substrate is rectangular, has been arranged side by side a plurality of said light-emitting components along the long side direction of circuit substrate, and said circuit substrate is connected with adjacent circuit substrate through said connector in the end of substrate long side direction,

A plurality of positions at the long side direction of said circuit substrate are provided with said patchhole, and the size of any patchhole that inserts in the hole at these a plurality of positions is littler than the size of other patchholes.

3. light supply apparatus as claimed in claim 2 is characterized in that,

Distolaterally distolaterally be provided with said patchhole at one of the long side direction of said circuit substrate with another.

4. light supply apparatus as claimed in claim 2 is characterized in that,

The circuit substrate of the said rectangle of polylith is under the state adjacent with being provided with the end of said other patchholes of the end that is provided with a said patchhole or be provided with under the state adjacent one another are of the end of said other patchholes; Connect into a row shape along long side direction, be arranged side by side the said circuit substrate that is the polylith rectangle of a row shape of multiple row along the substrate width direction.

5. like each described light supply apparatus of claim 1 to 4, it is characterized in that,

End at each adjacent circuit substrate is provided with connecting portion; Said connector comprises a connector portion and another connector portion; A said connector portion has the pin electrode that is connected with the connecting portion of a circuit substrate wherein; Said another connector portion has the metal fittings that are connected with the connecting portion of another piece circuit substrate; These metal fittings can supply said pin electrode to embed and contact with said pin electrode, and these two connector portion can be mounted to said pin electrode is contacted with metal fittings

A patchhole among said a plurality of patchhole with the direction of the embedding direction quadrature of said pin electrode on size than other patchholes with the direction of the embedding direction quadrature of said pin electrode on size little.

6. like each described light supply apparatus of claim 1 to 5, it is characterized in that,

In said supporting mass, be formed with and the corresponding through hole of said patchhole,

Said fixture is a rivet; This rivet comprises barrel member and shaft component; Said barrel member has the external diameter that can insert logical said patchhole and through hole, and an end is provided with the flange part that can not insert logical said patchhole and through hole, and the internal diameter of the other end is littler than the internal diameter of an end; Said shaft component can insert an end of said barrel member, has diameter than the big axial region of the internal diameter of the other end and can not insert the head of logical said patchhole and through hole.

7. a display unit is characterized in that,

Comprise: display part, a side of this display part has display surface; And like each described light supply apparatus of claim 1 to 6, this light supply apparatus is disposed at the opposite side of said display part.

8. light supply apparatus, comprising: circuit substrate is equipped with light-emitting component on the face of this circuit substrate; Supporting mass, this supporting mass are positioned at another face one side of said circuit substrate, and said circuit substrate is supported; And rivet, this rivet has head and axial region, and said head is positioned at a side of a said face of said circuit substrate; Can not insert the logical through hole on said circuit substrate and the said supporting mass that is arranged at; Said axial region links to each other with said head, runs through said through hole, and its front prevents disengageably remaining on the said supporting mass; It is characterized in that

In said head and the relative side of a said face said circuit substrate, be provided with a plurality of recesses towards the peripheral part opening.

9. light supply apparatus as claimed in claim 8 is characterized in that,

Have at least a recess to be positioned on the position of departing from following straight line among said a plurality of recess, this straight line connects the center side position and other recesses of the said head that links to each other with said axial region.

10. like claim 8 or 9 described light supply apparatuses, it is characterized in that,

Said recess is that the center side position of showing the said head that links to each other with said axial region greatly is the radial groove at center.

11. light supply apparatus as claimed in claim 10 is characterized in that,

Said groove is provided with two, roughly is 90 degree.

12. light supply apparatus as claimed in claim 10 is characterized in that,

Said groove is provided with three, roughly is 120 degree each other.

13. each the described light supply apparatus like claim 8 to 12 is characterized in that,

Dispose the lens that the light to said light-emitting component spreads discretely with said circuit substrate, it is adjacent with said lens that said rivet is configured to,

The position at place, the bottom of said recess than the position of the outer circumferential side end of the opposite face of the said lens relative with a said face of said circuit substrate more near said face one side of said circuit substrate.

14. each the described light supply apparatus like claim 8 to 13 is characterized in that,

Said axial region comprises barrel member and shaft component; Said barrel member has the external diameter that can insert logical said through hole; The one of which end has the flange part that can not insert logical said through hole, and the internal diameter of its other end is littler than the internal diameter of a said end, and said shaft component can insert a said end of said barrel member; Its diameter is bigger than the internal diameter of the said other end, and an end of this shaft component is provided with said head.

15. a display unit is characterized in that,

Comprise: display part, a side of this display part has display surface; And like each described light supply apparatus of claim 8 to 14, this light supply apparatus is disposed at the opposite side of this display part.

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