WO2013118345A1 - Appareil d'affichage et récepteur de télévision - Google Patents

Appareil d'affichage et récepteur de télévision Download PDF

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Publication number
WO2013118345A1
WO2013118345A1 PCT/JP2012/074621 JP2012074621W WO2013118345A1 WO 2013118345 A1 WO2013118345 A1 WO 2013118345A1 JP 2012074621 W JP2012074621 W JP 2012074621W WO 2013118345 A1 WO2013118345 A1 WO 2013118345A1
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WO
WIPO (PCT)
Prior art keywords
substrate
display device
light source
light
connector
Prior art date
Application number
PCT/JP2012/074621
Other languages
English (en)
Japanese (ja)
Inventor
鎌田　大介
Original Assignee
シャープ株式会社
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Filing date
Publication date
Application filed by シャープ株式会社 filed Critical シャープ株式会社
Publication of WO2013118345A1 publication Critical patent/WO2013118345A1/fr

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    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133612—Electrical details

Definitions

  • the present invention relates to a display device in which a light guide plate is disposed on the back side of a display panel and light is emitted from a light source facing an edge portion of the light guide plate, and a television receiver including the display device.
  • the liquid crystal display device includes a liquid crystal display panel provided in a cabinet having an opening, a light guide plate disposed on the back side of the display panel, and a light source unit provided to face an edge portion of the light guide plate. Is provided.
  • a light source unit as described in Patent Document 1 can be mounted on the display device.
  • the light source unit described in Patent Document 1 includes a rectangular elongated substrate, a plurality of light emitting diodes (LEDs) arranged in parallel along the longitudinal direction of the substrate on one surface of the substrate, the light emitting diodes, And a connector for connecting the drive circuit.
  • the connector is provided on the long side of the substrate and is not located on one surface of the substrate on which the light emitting diode is provided.
  • the light source unit is arranged so that the light emitting diode provided on one surface of the substrate faces the edge portion of the light guide plate.
  • the present invention has been made in view of such circumstances, and a display device capable of avoiding the generation of dark portions, manufacturing a light source unit in a short time, and reducing manufacturing costs, and a television including the display device.
  • the purpose is to provide a receiver.
  • a display device includes a display panel for displaying an image, a light guide plate facing the display panel, and extending along an edge portion of the light guide plate, and one side of the edge portion of the light guide plate.
  • An opposing substrate a plurality of light sources that are arranged side by side along the edge portion of the light guide plate on the one surface of the substrate, and that emit light toward the light guide plate; and a drive unit that drives the light source;
  • the connector is mounted on the one surface of the substrate along a direction intersecting the parallel arrangement direction of the light sources. Or is mounted on the other surface of the substrate.
  • a connector is mounted on the substrate together with a light source, and a light source unit having the light source, the connector, and the substrate is manufactured in a short time. Further, the connector is mounted on one surface of the board at a position outside the row of light sources arranged side by side or mounted on the other surface to prevent a dark portion from being generated on the display panel.
  • the display device is characterized in that the light sources are arranged side by side so as to be biased toward one edge of the substrate.
  • the light source is not disposed on the other edge side facing the one edge side of the substrate, the heat generated by the light source is released from the other edge portion, and the heat radiation efficiency is improved.
  • the display device according to the present invention is characterized in that the substrate has a rectangular shape, and the connectors are provided at both ends of the substrate.
  • the connector and the wiring are configured to be connected from one direction.
  • the connector and the wiring are connected from the direction perpendicular to the longitudinal direction of the board, and the connector is mounted only on one end of the board, the wiring located on the other end side of the board It must be routed to the side, and the work becomes complicated. Even if the positions of both ends of the substrate are changed, the connection direction of the connector is reversed, and wiring becomes very difficult.
  • the board extends in the left-right direction and the connector is provided only at the left end, and the connector is designed to connect wiring from the back side, the connector is placed at the right end when the board is placed with the left and right sides reversed. Although located, the connector must be connected to the wiring from the front side.
  • the display device includes a support plate on one side facing the light guide plate and supporting the drive unit on the other side, and an opening through which the connector is exposed is provided on the support plate. It is characterized by.
  • the connector arranged on one side of the support plate is exposed to the other side from the opening, and the drive unit supported on the other side of the support plate and the connector are easily connected via wiring. To do.
  • the display device includes a plurality of the substrates, and a plurality of connectors respectively mounted on the plurality of substrates are exposed from the openings.
  • the number of openings is smaller than the number of connectors.
  • the support plate has a stepped portion protruding to the other surface side, and the opening is provided at a corner portion protruding to the other surface side of the stepped portion. It is characterized by.
  • an opening is provided in the corner portion protruding to the other surface side, so that the connector can be easily connected from the other surface side and the direction perpendicular to the other surface.
  • the display device is characterized in that the light source is a light emitting diode.
  • a light emitting diode and a connector are mounted on a substrate to realize a reduction in manufacturing cost.
  • a television receiver includes any one of the display devices described above and a reception unit that receives a television broadcast, and the display device includes the display device based on the television broadcast received by the reception unit. It is characterized by displaying video.
  • a television receiver is manufactured by any one of the display devices and the receiving unit described above.
  • the connector since the connector is mounted on the substrate together with the light source, the light source unit having the light source, the connector and the substrate can be manufactured in a short time. Also, the connector can be removed from the light source array and mounted on one side of the board or mounted on the other side to prevent dark areas from appearing on the display panel, thereby realizing both reduction of manufacturing costs and prevention of dark area generation. be able to.
  • FIG. 1 is a perspective view schematically showing a television receiver according to Embodiment 1.
  • FIG. It is a simplified rear view of the television receiver with the rear cabinet removed.
  • FIG. 3 is a schematic partially enlarged sectional view taken along line III-III shown in FIG. 2. It is a top view which briefly shows a light source unit.
  • FIG. 6 is an enlarged perspective view schematically showing the vicinity of the opening of the rear chassis.
  • FIG. 3 is a partially broken enlarged perspective view schematically showing a television receiver by breaking a part of the rear chassis.
  • It is a circuit diagram which briefly shows the circuit structure of a light source unit.
  • FIG. 3 is a circuit diagram schematically showing a configuration of an abnormality detection circuit.
  • 5 is a plan view schematically showing a light source unit according to Embodiment 2.
  • FIG. 6 is a side view schematically showing a light source unit according to Embodiment 3. It is a top view which briefly shows a light source unit.
  • FIG. 6 is a partial enlarged cross-sectional view schematically showing a television receiver according to a fourth embodiment.
  • FIG. 10 is a plan view schematically showing a light source unit of a television receiver according to a fifth embodiment.
  • FIG. 1 is a perspective view schematically showing a television receiver.
  • reference numeral 1 denotes a television receiver.
  • the television receiver 1 is disposed in the display device 100 for displaying an image and broadcast waves (TV) from an antenna (not shown). John broadcast) and a decoder 300 that is disposed in the display device 100 and decodes the encoded broadcast wave.
  • the television receiver 1 decodes the broadcast wave received by the tuner 200 by the decoder 300 and displays an image on the display device 100 based on the decoded information.
  • the tuner 200 and the decoder 300 may be provided outside the display device 100 and connected to the display device 100.
  • the display device 100 includes a rectangular display panel 10 having a liquid crystal, and the display panel 10 is configured to control the voltage applied to the liquid crystal to adjust the light transmittance.
  • the display panel 10 is accommodated vertically in the front cabinet 20 and the rear cabinet 30 arranged on the front side and the back side, respectively.
  • the front cabinet 20 has a rectangular frame shape, and has a rectangular opening 20a at the center thereof.
  • the front cabinet 20 is made of, for example, an aluminum member.
  • the rear cabinet 30 has a rectangular tray shape with the front side opened, and is made of, for example, an electrogalvanized steel sheet.
  • the dimensions of the front cabinet 20 and the rear cabinet 30 are substantially the same in two directions (horizontal direction and vertical direction) orthogonal to the front and back direction, and the peripheral portions of each other face each other.
  • the horizontal and vertical dimensions of the display panel 10 are slightly larger than the opening 20 a, and the peripheral portion of the display panel 10 faces the inner edge portion of the front cabinet 20.
  • FIG. 2 is a simplified rear view of the television receiver 1 with the rear cabinet removed
  • FIG. 3 is a partially enlarged sectional view taken along line III-III shown in FIG. 2, and FIG. FIG.
  • a rectangular light guide plate 11 is opposed to the back surface of the display panel 10.
  • a plurality of optical sheets 12, 12,..., 12 that collect light and diffuse light are superimposed on the front surface of the light guide plate 11.
  • the light guide plate 11 extends in the vertical direction (vertical direction) from the display panel 10 and the optical sheet 12.
  • three light source units 40 face each of the peripheral portions of the light guide plate 11 parallel to the horizontal direction.
  • the light source unit 40 is fixed to the L-shaped heat radiation plate 15 fixed to the front cabinet 20 with a plurality of screws (not shown).
  • the light source unit 40 includes an elongated rectangular substrate 41 made of an aluminum member, and a plurality of light emitting diodes 42, 42,... 42 are mounted on one surface of the substrate 41.
  • the light emitting diodes 42, 42,..., 42 are arranged in a line along the longitudinal direction at one long side portion of the substrate 41, and are biased toward the one long side.
  • the substrate 41 is wider in the direction perpendicular to the longitudinal direction than the conventional substrate 41, and a non-mounting portion where the light emitting diode 42 is not mounted is provided on the other long side facing the one long side. Exists.
  • the area of the non-mounting portion is substantially the same as or larger than the portion where the light emitting diode 42 is mounted.
  • a bar code for identifying the light source unit 40 is attached to the middle portion of the non-mounted portion. The heat generated in the light emitting diode 42 is conducted through the non-mounting portion and released.
  • female connectors 43 and 43 are mounted on both ends of the substrate 41, respectively.
  • the female connector 43 is arranged next to the row of light emitting diodes 42 arranged side by side, and is not in the same row as the light emitting diodes 42.
  • the female connector 43 is arranged next to the light emitting diode 42 along the direction intersecting the juxtaposed direction of the light emitting diodes 42, and the female connector 43 is not in the row of the light emitting diodes 42.
  • the plurality of screws are inserted through the non-mounting portion and screwed into the heat sink 15.
  • the substrate 41 wide, a large number of screws can be inserted into the substrate 41, the pitch between the screws can be narrowed, and the substrate 41 and the heat dissipation plate 15 can be securely adhered.
  • the substrate 41 is thermally expanded, separation of the substrate 41 from the heat dissipation plate 15 can be prevented.
  • screws are inserted into the non-mounting portion of the substrate 41, so that it is possible to avoid the occurrence of optical influences caused by a large number of screws.
  • the substrate 41 may replace with a screw
  • the female connector 43 is arranged on one surface of the substrate 41 so that the male connector 53 is connected from the other long side of the substrate 41, and is connected to a drive circuit 50 to be described later via a wiring 52. Yes.
  • a substrate 41 is arranged in the front cabinet 20.
  • the row of light emitting diodes 42, 42,..., 42 mounted on the substrate 41 faces the peripheral surface (edge portion) parallel to the lateral direction of the light guide plate 11.
  • a portion of the substrate 41 extending to the other long side is located on the back side.
  • the female connector 43 is not in the same row as the light emitting diodes 42, and the row of the light emitting diodes 42, 42,... 43 does not face the peripheral surface of the light guide plate 11.
  • the light guide plate 11 includes a reflecting plate 11a on the back side thereof, and the light of the light emitting diode 42 incident on the light guide plate 11 is diffused and reflected and emitted from the front.
  • a plate-like rear chassis 17 is provided on the back side of the light guide plate 11 and the light source unit 40.
  • the rear chassis 17 is screwed to the front cabinet 20.
  • the rear chassis 17 has a horizontally long rectangle.
  • the rear chassis 17 has step portions 17b on both long side portions.
  • the step portion 17b protrudes to the back side.
  • Two stepped portions 17a and 17a are provided in the center portion in the left-right direction in the step portion 17b of both long side portions.
  • the opening 17a is provided at a corner portion protruding to the back side of the stepped portion 17b, and the back side and the lower side of the opening 17a are open.
  • the opening 17a is opened at a position separated from both vertical edge portions of the rear chassis 17 parallel to the vertical direction by a distance of about 1/3 of the lateral dimension of the rear chassis 17.
  • the longitudinal dimension of the substrate 41 is approximately 1/3 of the lateral dimension of the rear chassis 17.
  • the three substrates 41 are arranged in a line along the lateral edge portion of the rear chassis 17 parallel to the lateral direction.
  • the light guide plate 11 includes the display panel 10 and the front cabinet 20 provided with a protruding portion 20b protruding toward the back side in the vicinity of the opening 20a. Along the lateral edge of the opening 20a.
  • the protruding portion 20 b is located between the substrate 41 and the upper and lower end portions of the display panel 10. The protrusion 20b is in contact with the front surface of the light guide plate 11 and is in close contact therewith.
  • FIG. 5 is an enlarged perspective view schematically showing the vicinity of the opening 17a of the rear chassis 17, and FIG. 6 is a partially broken enlarged perspective view schematically showing the television receiver 1 by partially cutting the rear chassis 17.
  • each female connector 43 mounted on the ends of two adjacent substrates 41 is located in the opening 17a and exposed to the back side through the opening 17a.
  • a drive circuit 50 that drives the light emitting diode 42, a liquid crystal controller 60 that drives the liquid crystal of the display panel 10, and a main board 70 that performs image processing are arranged in parallel.
  • Six pairs of wirings 52 extend from the drive circuit 50, and a male connector 53 is provided at the extended end of each wiring 52.
  • a pair of wirings 52 are collected by a male connector 53. As shown in FIGS. 5 and 6, each male connector 53 is connected to each of the female connectors 43 of the six light source units 40. Since the female connector 43 is exposed from the opening 17a, the operator can easily connect the male connector 53 to the female connector 43 and remove it from the female connector 43.
  • FIG. 7 is a circuit diagram schematically showing the circuit configuration of the light source unit 40.
  • the wiring 52 includes an anode line 52a and a cathode line 52b.
  • the LEDs 42, 42, ..., 42 are connected in series.
  • the two female connectors 43 and 43 are connected in parallel to the anode side terminal and the cathode side terminal of the row of the LEDs 42.
  • the configuration of the two female connectors 43 and 43 is the same.
  • the worker may connect the male connector 53 to any of the female connectors 43.
  • the configurations of the two female connectors are different, it is necessary to use a male connector corresponding to each female connector. In this case, there is a risk that the operator erroneously inserts the male connector into the female connector that does not have a corresponding relationship.
  • the light source unit 40 has the same configuration of the two female connectors 43 and 43, and the female connectors 43 and 43 are connected in parallel to the row of the LEDs 42. The operator does not erroneously insert the male connector 53 into the female connector 43.
  • the number of openings can be reduced with respect to the number of connectors, and the processing cost for forming the openings 17a in the rear chassis 17 can be reduced.
  • the light source unit 40 located at the center has two female connectors 43 located at both ends thereof from the two openings 17a. Each is exposed, but the male connector 53 only needs to be connected to one of the female connectors 43. If the male connector 53 is connected to one of the female connectors 43, the drive circuit 50 can control the operation of the light emitting diode 42 mounted on the substrate 41. Therefore, the operator only has to connect the male connector 53 to the female connector 43 that can perform simpler connection according to the position of the drive circuit 50, and the efficiency of the connection work can be improved.
  • the drive circuit 50 can control the operation of the light emitting diode 42 independently for each light source unit 40.
  • the light emitting diode 42 mounted on the outermost portion of one substrate 41 and the light emitting diode 42 mounted on the outermost portion of the other substrate 41 are adjacent to each other.
  • the distance between the light emitting diodes 42 and 42 is substantially the same as the distance between the adjacent light emitting diodes 42 and 42 in the middle of the substrate 41. Therefore, the light source unit 40 can emit light to the light guide plate 11 with a substantially uniform light amount, and luminance unevenness hardly occurs in the display panel 10.
  • the female connector 43 is mounted on the substrate 41 together with the light emitting diode 42, the light source unit 40 can be manufactured in a short time.
  • the female connector 43 is removed from the row of the light emitting diodes 42 and mounted on one surface of the substrate 41, and light is emitted from the light source unit 40 with a substantially uniform light amount to prevent a dark portion from being generated on the display panel 10. it can. That is, it is possible to achieve both reduction in manufacturing cost and prevention of dark portion generation.
  • the wiring 52 may be connected to any one of the connectors, and the wiring 52 can be easily handled regardless of the position of the wiring 52. Further, it is sufficient to manufacture one type of substrate 41, and the manufacturing cost is reduced compared to the case of manufacturing two types of substrates 41.
  • the female connector 43 disposed on the front side of the rear chassis 17 is exposed to the rear side from the opening 17a, and the drive circuit 50 and the female connector 43 supported on the rear side of the rear chassis 17 are connected via the wiring 52. Connect easily.
  • the female connector 43 is not exposed from the opening 17a, it is necessary for the operator to connect the light source unit 40 and the drive circuit 50 by drawing the wiring 52 in a narrow space before the rear chassis 17 is attached. It takes a long time.
  • the female connector 43 since the female connector 43 is exposed through the opening 17a, the drive circuit 50 and the light source unit 40 can be connected easily and in a short time after the rear chassis 17 is attached.
  • the light emitting diode 42 and the female connector 43 are surface-mounted on the substrate 41, both can be mounted in the same reflow process, and the manufacturing cost can be reduced.
  • the barcode is attached
  • substrate 41 are provided.
  • An abnormality detection circuit that detects a connection abnormality of the circuit or the LED 42 may be mounted on the non-mounted portion.
  • FIG. 8 is a circuit diagram schematically showing the configuration of the abnormality detection circuit.
  • the wiring 52 includes an abnormality detection line 52c in addition to the anode line 52a and the cathode line 52b.
  • the female connector 43 has a detection terminal for connecting the abnormality detection line 52c.
  • the television receiver 1 includes a control unit (not shown) having a CPU, a ROM, a RAM, and the like.
  • An abnormality detection circuit 46 is mounted on the non-mounted portion of the substrate 41.
  • the abnormality detection circuit 46 includes a current detection resistor 46a and a calculation circuit 46b.
  • the current detection resistor 46 a is interposed between the cathode terminal of the female connector 43 and the cathode terminal of the LED 42 row.
  • the calculation circuit 46 b is connected to both ends of the current detection resistor 46 a and is connected to the detection terminal of the female connector 43.
  • the calculation circuit 46b detects the voltage applied to the current detection resistor 46a, and calculates the current based on the detected voltage and the resistance value of the current detection resistor 46a.
  • the calculation circuit 46 b compares the calculated current value with the set value, and outputs the comparison result to the detection terminal of the female connector 43. For example, when the calculated current value is the same as the set value or within a predetermined range from the set value, a comparison result indicating normality is output, and if not, a comparison result indicating abnormality is output.
  • the comparison result is input from the detection terminal to the control unit via the abnormality detection line 52c.
  • the control unit can determine whether there is an abnormality in the light source unit 40 based on the comparison result.
  • a desired circuit can be easily mounted by making the substrate 41 wide.
  • the rear cabinet 30 covers the entire rear chassis 17, but the rear cabinet 30 may be configured not to cover the upper half.
  • the connection of the wiring 52 is made to pass through a center angle (reinforcing body) provided along the vertical direction in the rear chassis 17, and the connection portion between the female connector 43 and the wiring 52 is a minimum. It is conceivable to provide a cover that covers the size. By adopting such a configuration, the upper part of the television receiver 1 becomes thinner due to the absence of the rear cabinet 30, so that the appearance design can be improved and the weight can be reduced, and the manufacturing cost can be reduced by reducing the material cost. Reduction can be realized.
  • the number of the light source units 40 facing the one edge portion of the light guide plate 11 is not limited to three, and may be two or less or four or more.
  • the light source unit 40 of the television receiver 1 is shared and used as one type, but may be shared with television receivers of other sizes.
  • the light source unit 40 of the television receiver 1 is shared and used as one type, but may be shared with television receivers of other sizes.
  • the light source unit 40 of the television receiver 1 is shared and used as one type, but may be shared with television receivers of other sizes.
  • the light source unit 40 of the television receiver 1 is shared and used as one type, but may be shared with television receivers of other sizes.
  • the light source unit 40 of the television receiver 1 is shared and used as one type, but may be shared with television receivers of other sizes.
  • the kind of light source unit can be reduced.
  • FIG. 9 is a plan view schematically showing the light source unit 40.
  • the substrate 41 includes projecting portions 41 a and 41 a projecting in directions perpendicular to the direction in which the light emitting diodes 42 are arranged, at both ends thereof.
  • a female connector 43 is mounted on each protrusion 41a.
  • the light source unit 40 is disposed in the front cabinet 20 so that the female connector 43 is exposed from the opening 17a.
  • the portion of the board 41 on which the female connector 43 is mounted protrudes, so that the female connector 43 can be easily exposed from the opening 17a. Further, since the portion where the female connector 43 is not mounted does not protrude, an increase in manufacturing cost of the substrate 41 can be suppressed.
  • FIG. 10 is a side view schematically showing the light source unit 40
  • FIG. 11 is a plan view schematically showing the light source unit 40.
  • female connectors 43 are mounted on the other surface (the surface on which the light emitting diode 42 is not mounted) at both ends of the substrate 41. Since the female connector 43 is mounted on the other surface of the substrate 41, it is possible to avoid the amount of light emitted from the light source unit 40 from becoming non-uniform by the female connector 43, and with a substantially uniform light amount. Light can be emitted from the light source unit 40 to prevent a dark portion from occurring in the display panel 10.
  • the female connector 43 is mounted on both ends of the substrate 41, but may be mounted in the middle of the substrate 41. In this case, the middle portion of the substrate 41 may be protruded or the opening 17a may be provided in the rear chassis 17 in correspondence with the position of the female connector 43.
  • the light emitting diode 42 other light sources such as LD (Laser Diode), EL (EledtroLuminescence) may be mounted.
  • FIG. 12 is a partially enlarged cross-sectional view schematically showing the television receiver 1.
  • FIG. 12 corresponds to FIG.
  • the female connector 43 is mounted vertically on one surface of the substrate 41.
  • a male connector 53 is connected to the female connector 43 along a direction (vertical direction) perpendicular to the substrate 41.
  • the female connector 43 protrudes in the vertical direction. The operator can easily connect the male connector 53 to the female connector 43 along the vertical direction through the opening 17 a and can remove it from the female connector 43.
  • FIG. 13 is a plan view schematically showing the light source unit 40.
  • the substrate 41 includes a protruding portion 41 b that protrudes in a direction perpendicular to the direction in which the light emitting diodes 42 are arranged at the center in the longitudinal direction.
  • a female connector 43 is mounted on the protrusion 41b.
  • the light source unit 40 is disposed in the front cabinet 20.
  • the rear chassis 17 is provided with an opening 17a at a position facing the protruding portion 41b, and the female connector 43 is exposed from the opening 17a.
  • the protrusion 41b is formed at the center in the longitudinal direction of the substrate 41, and the single female connector 43 is mounted on the protrusion 41b.
  • the female connector 43 can be reduced, and the light source unit 40 can be simplified.

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Planar Illumination Modules (AREA)
  • Liquid Crystal (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Transforming Electric Information Into Light Information (AREA)

Abstract

L'invention concerne un appareil d'affichage qui permet d'éliminer la génération de partie sombre, qui comprend une unité de source de lumière fabriquée en peu de temps et qui permet de réduire les coûts de fabrication, ainsi qu'un récepteur de télévision qui comprend cet appareil d'affichage. L'appareil d'affichage possède une configuration dans laquelle l'unité de source de lumière (40) est fabriquée en peu de temps en montant des connecteurs femelles (43) sur un substrat (41) comprenant des LED (42), lesquels connecteurs femelles (43) sont montés sur une surface du substrat (41) de sorte qu'ils dépassent des rangées de LED (42), la lumière étant émise depuis l'unité de source de lumière (40) selon une quantité de lumière essentiellement uniforme, tandis que l'on empêche la formation d'une partie sombre dans le panneau d'affichage (10).
PCT/JP2012/074621 2012-02-08 2012-09-26 Appareil d'affichage et récepteur de télévision WO2013118345A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2012-025427 2012-02-08
JP2012025427 2012-02-08
JP2012-199708 2012-09-11
JP2012199708A JP2013179027A (ja) 2012-02-08 2012-09-11 表示装置及びテレビジョン受信機

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WO2013118345A1 true WO2013118345A1 (fr) 2013-08-15

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WO (1) WO2013118345A1 (fr)

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Publication number Priority date Publication date Assignee Title
JP6806659B2 (ja) 2017-10-31 2021-01-06 ファナック株式会社 表示器

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011086760A1 (fr) * 2010-01-12 2011-07-21 シャープ株式会社 Substrat de diodes électroluminescentes, unité de rétro-éclairage et dispositif d'affichage à cristaux liquides
JP2011228205A (ja) * 2010-04-22 2011-11-10 Funai Electric Co Ltd 表示装置
WO2011148733A1 (fr) * 2010-05-26 2011-12-01 シャープ株式会社 Dispositif d'éclairage, dispositif d'affichage et dispositif de réception de télévision

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011086760A1 (fr) * 2010-01-12 2011-07-21 シャープ株式会社 Substrat de diodes électroluminescentes, unité de rétro-éclairage et dispositif d'affichage à cristaux liquides
JP2011228205A (ja) * 2010-04-22 2011-11-10 Funai Electric Co Ltd 表示装置
WO2011148733A1 (fr) * 2010-05-26 2011-12-01 シャープ株式会社 Dispositif d'éclairage, dispositif d'affichage et dispositif de réception de télévision

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