JP5569345B2 - Display device - Google Patents

Description

  The present invention relates to a display device in which a display panel is accommodated in a housing.

  For example, as a display device mounted on an electronic device such as a mobile phone or an electronic dictionary, a display panel having a terminal array portion and a flexible wiring board connected to the terminal array portion is used as a housing having a display panel housing portion. In some cases, the front surface is accommodated in the upper surface direction of the housing.

  In this display device, the flexible wiring board connected to the terminal array portion of the display panel is pulled out from the display panel housing portion of the housing to the outside of the housing, and as described in Patent Document 1, a U-shape is provided. And is locked to the lower surface of the housing by locking means. In other words, the flexible wiring board is arranged so that the inner surface of the U-curved portion faces the outer surface of the housing, and the portion drawn into the lower surface side of the housing is locked to the lower surface of the housing. .

ing.

JP 2000-235176 A

  However, in the conventional display device, for example, when mounted on an electronic device, a portion (a portion curved in a U shape) drawn out of the casing of the flexible wiring board is disposed in the device case or the case. When pressed against an obstacle such as the like, the bending portion is deformed by an external force applied to the bending portion from the obstacle.

  Since the flexible wiring board is connected to the terminal array portion of the display panel, the curved portion is deformed, and the display panel accommodated in the housing is lifted, and in an extreme case, it is detached from the housing. Sometimes.

  It is an object of the present invention to provide a display device that prevents the display panel from being lifted by an external force applied to a portion of the flexible wiring board that is pulled out of the casing, and that can maintain the state of accommodation of the display panel in the casing. It is intended.

The invention according to claim 1 is a display panel in which a terminal array portion is formed at an end portion, a flexible wiring board having one end connected to the terminal array portion of the display panel, and a storage portion in which the display panel is stored A display device comprising a housing having
The housing has a locking portion including a protrusion formed at a predetermined position on the outer surface,
The flexible wiring board is pulled out from the display panel housing portion of the housing to the outside of the housing and is bent along the outer surface of the housing, and a predetermined bending region along the outer surface of the housing is predetermined. It has a locked portion including a locked hole drilled in a location,
The locked portion is locked to the system locking portion by fitting the locked hole to the protrusion on the flexible wiring board,
The locked portion is formed so as to extend in a predetermined direction from the locked hole continuously with the locked hole, and has a slit that allows the locked hole to expand. It is characterized by.

The invention according to claim 2, tensioning in the display device according to claim 1, wherein the flexible wiring board, the absence of part of slack between the one end and the locked portion of the flexible wiring board The locking portion is provided so as to correspond to the position of the locked portion when it is made to move.

According to a third aspect of the present invention, in the display device according to the second aspect, the protrusion includes a column part protruding from an outer surface of the housing, and a head formed at the tip of the column part. The column portion is formed to have a thickness that fits into the locked hole, and the head portion is formed to have a size such that the peripheral portion of the head overlaps the peripheral edge of the locked hole. The locked hole is fitted over the column portion of the projection so as to get over the head of the projection.

According to a fourth aspect of the present invention, in the display device according to any one of the first to third aspects, the slit is formed with a width smaller than the thickness of the column portion of the protrusion. To do.

According to a fifth aspect of the present invention, in the display device according to any one of the first to fourth aspects, the slit is a direction orthogonal to the bending direction of the flexible wiring board from the locked hole. It is characterized by being formed by stretching.

According to a sixth aspect of the present invention, in the display device according to the fifth aspect , the locked hole is formed in a region adjacent to a side edge of the bent region, and the slit is It is formed from the locking hole toward the side edge of the bent region, and is open to the side edge.

According to a seventh aspect of the present invention, in the display device according to the fifth aspect , the slit has one direction along a direction perpendicular to the bending direction of the flexible wiring board from the locked hole and the slit. It is formed by extending in opposite directions.

The invention according to claim 8 is the display device according to claim 7 , wherein the locked hole is formed in a region adjacent to a side edge of the bent region, and the one slit is It is formed toward the side edge of the bent region from the locked hole, and is open to the side edge.

According to a ninth aspect of the present invention, in the display device according to any of the fourth to eighth aspects, the slit is a side of a center position of the locked hole in the bending direction of the flexible wiring board. It is characterized by being formed.

According to a tenth aspect of the present invention, in the display device according to any one of the fourth to eighth aspects, the slit is more flexible than a center of the locked hole in the bending direction of the flexible wiring board. It is formed in the side of the position near the one end of a wiring board.

According to an eleventh aspect of the present invention, in the display device according to the tenth aspect , the slit is a side closer to one end of the flexible wiring board among two sides along the extending direction of the slit. However, it is formed so that it may correspond to the part near the end of the said flexible wiring board among the edges of the said to-be-latched hole.

A twelfth aspect of the present invention is the display device according to any one of the first to eleventh aspects, wherein the locked portion includes an area adjacent to one side edge of the bent area and the other side edge. The locking portions are formed at two locations on the outer side surface of the housing so as to correspond to the locked portions, respectively.

A thirteenth aspect of the present invention is the display device according to any one of the first to twelfth aspects, wherein the display panel housing portion of the housing has a display panel support surface that supports the display panel from the rear side. The display panel is placed on the display panel support surface.

A fourteenth aspect of the present invention is the display device according to any one of the first to thirteenth aspects, wherein the display panel is a liquid crystal display panel, facing the liquid crystal display panel on the rear side of the liquid crystal display panel. A surface light source for irradiating illumination light is arranged so as to be integrated with a liquid crystal display panel.

The invention according to claim 15, in the display device according to any one of claims 1 to 14, wherein the bending region the other end portion than the flexible wiring board, taken along the lower surface of the casing It is arranged so that it may be arranged.

According to a sixteenth aspect of the present invention, in the display device according to any one of the first to fifteenth aspects, the other end of the flexible wiring board is connected to a display control means disposed on the rear side of the casing. It is characterized by.

  According to the present invention, it is possible to prevent the display panel from being lifted by an external force applied to a portion of the flexible wiring board drawn out of the casing, and to maintain the display panel in the casing.

1 is a perspective view of a display device showing a first embodiment of the present invention. The side view of the said display apparatus. The disassembled perspective view of the said display apparatus. The expanded sectional view along the IV-IV arrow line of FIG. The expanded sectional view along the VV arrow line of FIG. The front view of the to-be-latched part provided in the flexible wiring board. Sectional drawing of the state which formed the bending area | region of the said flexible wiring board in the housing | casing. The figure which shows the expansion state of the to-be-latched hole of the said to-be-latched part. FIG. 3 is a partial cross-sectional view showing a molding die of the casing. The front view of the to-be-latched part which shows the 2nd Example of this invention. The front view of the to-be-latched part which shows the 3rd Example of this invention. The front view of the to-be-latched part which shows 4th Example of this invention. The front view of the to-be-latched part which shows 5th Example of this invention. The front view of the to-be-latched part which shows 6th Example of this invention. The front view of the latching | locking part corresponding to the to-be-latched part of the said 4th Example thru | or 6th Example. The figure which shows the floating of the display panel in the display apparatus of a comparative example.

[First embodiment]
A first embodiment of the present invention will be described below with reference to FIGS. As shown in FIGS. 1 to 5, the display device of this embodiment includes a display panel 1 having a terminal array portion 3 a formed at an end thereof, and one end (display panel connection end) at the terminal array portion 3 a of the display panel 1. Are connected to the flexible wiring board 10 and the housing 40 having the accommodating portion 41 of the display panel 1.

  The display panel 1 has a plurality of pixels (not shown) arranged in a row direction and a column direction, and controls the light transmittance of each pixel by applying a voltage to each pixel. Is a liquid crystal display panel.

  The liquid crystal display panel 1 is arranged so as to face each other with a predetermined gap, and transparent front substrate 2 and rear substrate 3 joined via a frame-shaped sealing material 4 surrounding the screen area 1a, and these substrates 2, The liquid crystal layer 5 enclosed in the region surrounded by the sealing material 4 between the gaps 3, the front-side polarizing plate 6 disposed on the outer surface of the front substrate 2, and the outer surface of the rear substrate 3 are disposed. The rear polarizing plate 7 is used.

  The rear polarizing plate 7 is formed in a shape that is larger than the screen area 1a and smaller than the region other than the terminal array portion 3a of the rear substrate 3, and the terminal array portion 3a of the rear substrate 3 and each of the other portions. It is affixed to the area inside the edge.

  The liquid crystal display panel 1 is an active matrix liquid crystal display panel using TFTs (thin film transistors) as switching elements, for example. Although not shown in the drawing, the liquid crystal display panel 1 is arranged on the inner surface of the rear substrate 3, that is, on the surface facing the front substrate 2. A plurality of transparent pixel electrodes formed so as to be arranged in the direction and the column direction, a plurality of TFTs arranged corresponding to these pixel electrodes and connected to the corresponding pixel electrodes, and TFTs in each row, A plurality of scanning signal lines for supplying scanning signals for turning on / off the TFTs and a plurality of data signal lines for supplying data signals to the TFTs in each column are provided.

  On the other hand, on the inner surface of the front substrate 2, that is, the surface facing the rear substrate 3, a color filter composed of three color filters of red, green, and blue formed corresponding to each pixel electrode, A single film-like transparent common electrode is provided on the pixel electrode so as to face the array region of the pixel electrodes.

  The liquid crystal display panel 1 may be a TN type, STN type, vertical alignment type, non-twisted horizontal alignment type, or bend alignment type, or may be a ferroelectric or antiferroelectric liquid crystal display element.

  Furthermore, the liquid crystal display panel 1 is not limited to the electrodes provided on the front substrate 2 and the rear substrate 3, but the inner surface of the rear substrate 3 is associated with the plurality of pixels on the inner surface of the rear substrate 3. A shape having a plurality of elongate electrode portions provided on the liquid crystal layer side or the substrate side of one electrode with a second electrode formed so as to be insulated from the first electrode. It is also possible to form a horizontal electric field control type liquid crystal display panel in which a horizontal electric field (electric field in a direction along the substrate surface) is generated between the first electrode and the second electrode to change the alignment state of liquid crystal molecules.

  The liquid crystal display panel 1 has a terminal array portion 3a formed by extending an edge of one side of the rear substrate 3 to the outside of the front substrate 2, and each scanning signal line and data signal line is a terminal A plurality of scanning signal line terminals and data signal line terminals (both not shown) formed in the driver mounting area of the array unit 3a are connected to each other.

  Further, although not shown, a plurality of control signal input terminals arranged along the edge are formed at the projecting end of the terminal array portion 3a, and these control signal input terminals are provided in a predetermined area in the driver mounting area. Are connected to a plurality of driver connection terminals formed in the order of arrangement.

  In the driver mounting area of the terminal array unit 3a, driver elements 8 made of an LSI on which a scanning signal line driving circuit and a data signal line driving circuit are formed are arranged along the periphery of the main surface. Terminal electrodes (not shown) are mounted so as to be connected to the respective scanning signal line terminals, data signal line terminals and respective driver connection terminals.

  The flexible wiring board 10 is formed by forming a plurality of wirings (not shown) on a flexible resin film, and is a region having a predetermined length from one end (hereinafter referred to as a region on one end side). ) Is formed to be somewhat wider than the control signal input terminal array region formed at the projecting end of the terminal array portion 3a of the liquid crystal display panel 1, and the region on the other end side is a region on the one end side. It has a planar shape formed with a width smaller than the width. A plurality of wires (not shown) are formed by extending from one end of the flexible wiring board 10 to the other end, and are connected to an external circuit connecting connector 11 provided at the other end of the flexible wiring board 10.

  The flexible wiring board 10 has one end thereof disposed on the terminal arrangement portion 3a of the liquid crystal display panel 1 with the end portion of each wiring facing the control signal input terminal, and an anisotropic conductive adhesive (dispersing conductive particles). By bonding with the adhesive), the liquid crystal display panel 1 is connected to the terminal array portion 3a.

  The display device of this embodiment includes a surface light source 20 that is disposed so as to face the rear polarizing plate 7 of the liquid crystal display panel 1 and that irradiates illumination light toward the liquid crystal display panel 1.

  As shown in FIGS. 3 to 5, the surface light source 20 includes a light guide plate 21 and a plurality of light emitting elements 25. The light guide plate 21 is made of a rectangular plate-like transparent member having an area that is somewhat larger than the screen area 1a of the liquid crystal display panel 1, and one of its side surfaces is an incident end surface 22 through which light is incident. Among them, one plate surface on the side facing the liquid crystal display panel 1 is an emission surface 23 for emitting light incident from the incident end surface 22, and the other plate surface emits light incident from the incident end surface 22. It is set as the reflective surface 24 which reflects inward toward. A plurality of light emitting elements 25 are arranged to face the incident end face 22 of the light guide plate 21 so that light emitted from each light emitting element 25 enters the light guide plate 21 from the incident end face 22.

  In addition, a reflection plate 26 is disposed outside the reflection surface 24 of the light guide plate 21 so as to face the reflection surface 24. The light reflection plate 26 reflects light leaked to the light guide plate 21 without being internally reflected by the reflection surface 24 of the light guide plate 21 out of the light incident from the incident end surface 22 into the light guide plate 21, and again. 21. The reflecting plate 26 is formed in a shape in which an edge portion of the light guide plate 21 on the side where it overlaps the incident end face 22 protrudes below the arrangement region of the light emitting elements 25, and at least the screen area 1 a of the liquid crystal display panel 1. It is affixed on the reflective surface 24 of the light guide plate 21 so as to overlap the light emitting elements 25.

  Further, the surface light source 20 includes a diffusion layer 27 disposed on the emission surface 23 of the light guide plate 21, a first prism sheet 28 disposed on the diffusion layer 27, and the first prism sheet 28. And a second prism sheet 29 disposed on the prism sheet 28.

  In the figure, each of the first and second prism sheets 28 and 29 is shown as a single film. Of these prism sheets 28 and 28, the first prism sheet 28 has a predetermined direction, for example, A plurality of elongated prisms along the short direction of the light guide plate 21 are formed at a dense pitch, and the second prism sheet 29 is arranged in a direction intersecting the predetermined direction, for example, in the short direction of the light guide plate 21. On the other hand, a plurality of elongated prisms along a direction orthogonal to each other are formed at a dense pitch.

  The light emitting elements 25 are made of LEDs (light emitting diodes), and are arranged in a line at predetermined intervals on a light emitting element support substrate 30 on which connection wirings (not shown) of the respective light emitting elements 25 are formed. Yes. The light emitting element support substrate 30 has flexibility, and is extended outward from the edge to the edge opposite to the light emission direction from the light emitting element 25 among the respective edges. A strip-shaped lead portion 31 is integrally formed. The lead portion 31 is formed with lead wiring (not shown) for connecting each light emitting element 25 to a light source lighting circuit (not shown). The extended end of the lead part 31 is connected to a light source lighting circuit.

  The surface light source 20 emits light emitted from a plurality of light emitting elements 25, enters the light guide plate 21 from the incident end face 22, is guided by the light guide plate 21, and is emitted from the entire emission surface 23, and the light is diffused into the diffusion layer. 27 and further refracted by the first prism sheet 28 and the second prism sheet 29 in a direction in which the angle with respect to the normal direction of the exit surface 23 of the light guide plate 21 becomes smaller, and exit in the normal direction, that is, the front direction. Illumination light having a high light intensity distribution is irradiated toward the liquid crystal display panel 1.

  The surface light source 20 has a liquid crystal display panel 1 formed by a double-sided adhesive film 32a in which the outer peripheral surface of the second prism sheet 29, that is, the peripheral portion of the surface facing the liquid crystal display panel 1 (illumination light irradiation surface) is formed in a frame shape. Is attached to the rear surface (the outer surface of the rear polarizing plate 7, that is, the surface facing the surface light source 20). Moreover, the opposing surfaces of the light emitting element support substrate 30 and the liquid crystal display panel 1 are attached to each other with a double-sided adhesive film 32b. Thereby, the surface light source 20 is integrated with the liquid crystal display panel 1. The double-sided adhesive film 32a for attaching the illumination light irradiation surface to the liquid crystal display panel 1 and the double-sided adhesive film 32b for attaching the light emitting element support substrate 30 to the liquid crystal display panel 1 may be a single continuous double-sided adhesive film. .

  The housing 40 has a rectangular planar shape whose planar shape is larger than the outer shape of the liquid crystal display panel 1, and an upper surface 40 a that is the front surface of the housing 40 and the housing 40 in a region inside the peripheral edge. It is made of a rectangular frame-shaped resin molded product in which a display panel housing portion 41 is formed which is a space opened in the lower surface 40b which is the rear surface. The upper surface 40a and the lower surface 40b of the housing 40 have an outer shape that fits within a predetermined rectangular planar shape, and are formed of surfaces parallel to each other. The outer surface 40c of each side of the housing 40 is It consists of a surface perpendicular to the upper surface 40a and the lower surface 40b.

  The display panel housing portion 41 of the housing 40 has a display panel support surface 42 that supports the liquid crystal display panel 1 from the rear side. The display panel support surface 42 is formed in a frame shape that supports the peripheral edge of the rear surface of the liquid crystal display panel 1. In this embodiment, the peripheral surface (inner peripheral surface of the rectangular frame) of the display panel accommodating portion 41 is formed in a shape in which a portion on the lower surface 40b side from a predetermined height protrudes inward from a portion on the upper surface 40a side. The upper surface of the protruding portion is used as the display panel support surface 42.

  The first region 42a of the display panel support surface 42 that faces each edge other than the terminal array portion 3a of the liquid crystal display panel 1 extends from the upper surface 40a of the housing 40 to the rear polarizing plate of the liquid crystal display panel 1. 7 is formed at a position that is the same as the thickness excluding 7 or slightly lower than that. Moreover, the 2nd area | region 42b facing the terminal arrangement | sequence part 3a of the liquid crystal display panel 1 among the display panel support surfaces 42 is affixed on the outer surface of the terminal arrangement | sequence part 3a of the liquid crystal display panel 1 rather than the said 1st area | region 42a. The light emitting element support substrate 30 and the double-sided adhesive film 32b are formed at a lower position by the sum of the thicknesses.

  The liquid crystal display panel 1 has one end of the flexible wiring board 10 bonded and connected to the terminal array portion 3a with an anisotropic conductive adhesive, and then connected to the front panel (front polarizing plate) on the display panel housing portion 41 of the housing 40. Of the surface light source 20 affixed to the rear surface of the liquid crystal display panel 1 in a region below the display panel support surface 42. It is accommodated and placed on the display panel support surface 42. That is, the surface light source 20 is housed in the display panel housing portion 41 of the housing 40 together with the liquid crystal display panel 1.

  The rear polarizing plate 7 of the liquid crystal display panel 1 is disposed so as not to overlap the display panel support surface 42, and the liquid crystal display panel 1 is provided on the outer surface of each edge other than the terminal array portion 3 a of the rear substrate 3. Is placed on the first region 42a of the display panel support surface 42 as shown in FIG. Further, the terminal array portion 3a of the liquid crystal display panel 1 is placed on the second region 42b of the display panel support surface 42 as shown in FIG. 4 via the light emitting element support substrate 30 attached to the outer surface thereof. Yes.

  In addition, the flexible wiring board 10 connected to the terminal array portion 3a of the liquid crystal display panel 1 is mounted on the side facing the terminal array portion 3a of the liquid crystal display panel 1 among the sides of the rectangular frame shape of the housing 40. A wiring board lead-out portion 43 for pulling out the body 40 and a lead lead-out portion 44 for pulling out the lead portion 31 of the light emitting element support substrate 30 of the surface light source 20 out of the housing 40 are provided on the outer surface from the display panel housing portion 41. 40c is provided.

  Each of the wiring board lead-out portion 43 and the lead lead-out portion 44 includes a cutout portion that opens to the upper surface 40 a of the housing 40, and the cutout portion that becomes the wiring board lead-out portion 43 is slightly smaller than the width of the flexible wiring board 10. And the bottom surface of the notch is at a height between the upper surface of the rear substrate 3 of the liquid crystal display panel 1 accommodated in the housing 40 and the support surface 42b corresponding to the terminal array portion 3a. It is formed in the shape to be located. In addition, the cutout portion that becomes the lead lead-out portion 44 is formed to be slightly wider than the width of the lead portion 31, and the bottom surface of the cutout portion is the upper surface of the light emitting element support substrate 30 (attached to the liquid crystal display panel 1). Surface) and the second region 42b of the display panel support surface 42.

  The flexible wiring board 10 having one end connected to the terminal array part 3a of the liquid crystal display panel 1 passes through the wiring board lead-out part 43 from the display panel housing part 41 of the casing 40 to the outside of the outer surface 40c of the casing 40. And bent in the direction from the upper surface 40a side to the lower surface 40b side of the housing 40 along the outer surface 40c of the housing 40, and in the bent region 10a along the outer surface 40c of the housing 40, the housing The outer surface 40c of the body 40 is locked.

  That is, the flexible wiring board 10 has a locked portion 12 including a hole or a notch formed at a predetermined position of the bent region 10a. It is latched by the latching | locking part 45 containing the protrusion formed in the predetermined position of the side surface.

  In this embodiment, the locked portion 12 has a circular locked hole 13 drilled in the flexible wiring board 10, and the locking portion 45 projects integrally with the outer side surface 40 c of the housing 40. It consists of a raised protrusion. Hereinafter, the locking portion 45 is referred to as a locking protrusion.

  The flexible wiring board 10 is locked to the outer surface of the housing 40 by fitting the locked holes 13 to the locking protrusions 45.

  Further, as shown in FIG. 6, in this embodiment, the locking protrusion 45 includes a column part 45 a that protrudes perpendicularly from the outer surface 40 c of the housing 40, and a head part 45 b that is formed at the tip of the column part 45 a. The column portion 45a is formed with a thickness that fits into the locked hole 13, and the head portion 45b is a flexible wiring whose peripheral portion of the head portion 45b is the peripheral edge of the locked hole 13. It is formed in a size that overlaps the plate 10. In this embodiment, the column portion 45a is formed in a columnar shape, and the head portion 45b is formed in a disc shape concentric with the column portion 45a.

  The locked portion 12 provided in the bent region 10a of the flexible wiring board 10 is formed so as to extend from the locked hole 13 in a predetermined direction so as to be continuous with the locked hole 13. A slit 14 that allows the locking hole 13 to expand is provided.

  The slit 14 has two sides parallel to each other in the extending direction, and the distance between the two sides (the width of the slit 14) is smaller than the thickness of the column portion 45a of the locking projection 45. Is formed. The slit 14 has a locked hole 13 when the direction perpendicular to the bending direction of the flexible wiring board 10 (the direction from the upper surface 40a side to the lower surface 40b side of the housing 40) is the short direction. To the direction along the short direction.

  In this embodiment, the slit 14 is formed on the side of the center position of the locked hole 13 in the bending direction of the flexible wiring board 10. That is, if a line parallel to the short side direction of the flexible wiring board 10 and passing through the center between the two sides of the slit 14 is a slit center line L, the slit 14 is formed on the flexible wiring board 10 in the locked hole 13. It arrange | positions so that the center P in a bending direction may be located on the slit centerline L. FIG.

  Furthermore, the locked hole 13 is formed in a region adjacent to the side edge of the bent region 10a, and the slit 14 is formed from the locked hole 13 toward the side edge of the bent region 10a. Open to the side edge. In addition, the locked portion 12 is formed in a region adjacent to one side edge of the bent region 10a and a region adjacent to the other side edge, and includes a locking protrusion 45. The portions are formed at two locations on the outer surface of the housing 40 so as to correspond to the locked portions 12 and 12, respectively.

  Then, the bent region 10a bent along the outer surface 40c of the housing 40 of the flexible wiring board 10 has a locked hole 13 of the locked portion 12 provided in the bent region 10a. By being engaged with the column portion 45 a of the locking protrusion 45 protruding from the outer surface 40 c of the body 40, the body 40 is locked to the outer surface 40 c of the housing 40 via the locking protrusion 45. FIG. 7 shows a state where the bent region 10 a of the flexible wiring board 10 is locked to the outer side surface 40 c of the housing 40.

  The engagement of the engagement hole 13 with the column portion 45 a of the engagement protrusion 45 is performed by aligning the engagement hole 13 with the head 45 b of the engagement protrusion 45 and covering the bent region 10 a of the flexible wiring board 10. This is performed by pressing a portion around the locking portion 12 against the outer surface 40 c side of the housing 40.

  The head 45b of the locking projection 45 is formed to have a diameter larger than the diameter of the locked hole 13 so that the peripheral edge of the head 45b overlaps the peripheral edge of the locked hole 13. The locked portion 12 of the bent region 10 a of the flexible wiring board 10 has a slit 14 formed so as to extend from the locked hole 13 so as to be continuous with the locked hole 13. Therefore, when the peripheral portion of the locked portion 12 is pressed against the outer surface 40c of the housing 40, the locked hole 13 spreads as shown in FIG. 8 and gets over the head 45b of the locking protrusion 45, and the head 45b. After getting over, it returns to the original hole diameter and fits into the pillar portion 45a of the locking projection 45.

  Therefore, even if the diameter of the head 45b of the locking projection 45 is larger than the diameter of the locked hole 13, the locked hole 13 is expanded without difficulty so as to get over the head 45b of the locking projection 45. It can be fitted to the column part 45 a of the stop protrusion 45.

  Further, in this embodiment, since the slit 14 is formed to be opened at the side edge of the bent region 10a of the flexible wiring board 10, the locked hole 13 is further expanded more easily and the locking projection 45 is formed. The head 45b can be overcome.

  Further, the engagement of the locked hole 13 with the column portion 45 a of the locking protrusion 45 is performed by using a portion around the locked portion 12 in the bent region 10 a of the flexible wiring board 10 as an outer surface of the housing 40. This can be done with a simple operation by simply pressing it to the 40c side.

  Then, when the locked hole 13 is moved over the head 45b of the locking projection 45 and fitted into the column portion 45a of the locking projection 45, the peripheral portion of the head 45b of the locking projection 45 is locked. It overlaps with the periphery of the hole 13 from the outer surface side of the bent region 10a. Therefore, the locked portion 12 is locked so as not to be detached from the locking protrusion 45.

  On the other hand, the portion on the other end side of the flexible wiring board 10, that is, the portion between the bent region 10 a and the other end of the flexible wiring board 10 is the lower surface 40 b of the housing 40 as shown in FIGS. 1, 2, and 4. It is bent along. The other end of the flexible wiring board 10 is connected to the display control means 50 arranged on the lower surface 40b side of the housing as shown in FIG.

  The display control means 50 includes a circuit that supplies a control signal, pixel data, and the like to the driver elements 8 mounted on the terminal array portion 3a of the liquid crystal display panel 1, and is a reflection member that is the rearmost member of the surface light source 20. It is affixed on the outer surface of the plate 26 with a double-sided adhesive tape (not shown) or the like. The flexible wiring board 10 is connected to the display control means 50 by inserting the external circuit connection connector 11 provided at the other end into a connector receiver (not shown) provided in the display control means 50.

  The light source lighting circuit may be formed in the display control means 50 disposed on the lower surface 40b side of the housing. In that case, a connection wiring to the light source lighting circuit is formed in a region between the bent region 10a of the flexible wiring board 10 connected to the terminal array portion 3a of the liquid crystal display panel 1 and the other end of the flexible wiring board 10. After that, the portion of the lead portion 31 of the light emitting element support substrate 30 drawn out of the housing 40 is bent along the outer surface of the housing 40 in the same manner as the flexible wiring board 10, and the lead portion 31. It is preferable that the other end of the flexible wiring board is connected to a connection wiring to the light source lighting circuit in the region between the flexible wiring board 10 and the other end of the flexible wiring board 10.

  In the display device of this embodiment, the liquid crystal display panel 1 in which one end of the flexible wiring board 10 is connected to the terminal arrangement portion 3a is accommodated in the display panel accommodating portion 41 of the casing 40, and the flexible wiring board 10 is accommodated in the casing. The display panel housing portion 41 is pulled out to the outside of the outer surface 40 c of the housing 40. Then, the flexible wiring board 10 drawn out of the housing 40 is bent along the outer side surface 40c of the housing 40 in the direction from the upper surface 40a side of the housing 40 to the lower surface 40b side, The bent region 10a along the side surface 40c is locked to the outer side surface 40c of the housing 40. Therefore, the liquid crystal display panel 1 can be prevented from being lifted by an external force applied to a portion of the flexible wiring board 10 drawn out of the housing 40, and the liquid crystal display panel 1 can be stably accommodated in the housing 40.

  FIG. 16 shows the floating of the liquid crystal display panel 1 in the display device of the comparative example. In the display device of this comparative example, the liquid crystal display panel 1 is the same as that of the above-described embodiment, and therefore, duplicate description is omitted by attaching the same reference numerals to the drawings.

  In the display device of this comparative example, the liquid crystal display panel 1 in which one end of the flexible wiring board 110 is connected to the terminal array portion 3a is formed in the display panel housing portion 141 of the housing 140 in the display panel housing portion 141. The flexible wiring board 110 that is placed on and accommodated on the display panel support surface 142 and connected to the terminal array portion 3a of the liquid crystal display panel 1 is connected to the housing 140 from the display panel housing portion 141 of the housing 140. The outer surface of the housing 140 is drawn out, bent into a U shape, is turned to the lower surface side of the housing 140, and is locked to the lower surface of the housing 140 by the locking means 150.

  In the display device of this comparative example, for example, when mounted on an electronic device, a portion that is drawn out of the casing 140 of the flexible wiring board 110 and curved in a U shape is a device case or an electronic component that is disposed in the case. When pressed against the obstacle, an external force F is applied from the obstacle to the bending portion so as to force the bending portion against the housing 140 side.

  The portion of the flexible wiring board 110 that is turned to the lower surface side of the housing 140 is locked to the housing 140, whereas the liquid crystal display panel 1 to which one end of the flexible wiring board 110 is connected is It is light in weight and is only placed on the display panel support surface 142 of the housing 140. Therefore, when an external force F is applied to the curved portion of the flexible wiring board 110, one end side connected to the liquid crystal display panel 1 is expanded while the curved portion expands so that the radius of curvature increases as indicated by a two-dot chain line in the figure. The liquid crystal display panel 1 that is deformed so as to be displaced upward may float from the display panel support surface 142 of the housing 140 in some cases.

  In the display device of the comparative example, an external force that pushes upward may be applied to the curved portion of the flexible wiring board 110. In this case, the liquid crystal display panel 1 is lifted from the display panel support surface 142 of the housing 140. It may be letting you.

  On the other hand, in the display device of the above embodiment, the flexible wiring board 10 drawn out of the housing 40 is directed along the outer surface 40c of the housing 40 from the upper surface 40a side to the lower surface 40b side of the housing 40. The bent region 10a is locked to the outer surface 40c of the housing 40 in the bent region 10a along the outer surface 40c of the housing 40. Therefore, even if an external force is applied to the bent region 10a, the bent region 10a is There is no slippage.

  Therefore, even if the liquid crystal display panel 1 is merely placed on the display panel support surface 42 of the housing 40, the display panel support of the liquid crystal display panel 1 due to an external force applied to the bending region 10 a of the flexible wiring board 10. Lifting from the surface 42 can be prevented.

  As described above, the display device is connected to the terminal array portion 3a of the liquid crystal display panel 1 and connected to the terminal array portion 3a. The display device is pulled out of the outer surface 40c of the housing 40 from the display panel housing portion 41 of the housing 40. The wiring board 10 is locked to the outer surface 40c of the housing 40 so that the force applied to the flexible wiring board 10 from the outside does not act to lift the liquid crystal display panel 1 accommodated in the housing 40. Therefore, it is possible to prevent the liquid crystal display panel 1 from being lifted from the display panel support surface 42 due to an external force applied to the bent region 10a of the flexible wiring board 10.

  Since the flexible wiring board 10 is pulled out of the housing 40 and bent in a direction along the outer surface 40c of the housing 40, the flexible wiring board 10 tries to return to its original state by an elastic repulsion force. However, if the lifting force of the liquid crystal display panel 1 due to this elastic repulsive force is smaller than the weight of the liquid crystal display panel 1, the elastic repulsive force of the flexible wiring board 10 will not lift the display panel support surface 42 of the liquid crystal display panel 1. .

  In addition, in this embodiment, the surface light source 20 is integrated with the liquid crystal display panel on the rear side of the liquid crystal display panel 1, so that the weight of the liquid crystal display panel 1 is equal to the weight of the surface light source 20. The liquid crystal display panel 1 can be prevented from being lifted by the elastic repulsive force of the flexible wiring board 10 more reliably.

  In this display device, the flexible wiring board 10 drawn out of the housing 40 is bent so as to be in contact with the outer surface 40a along the outer surface 40a of the housing 40, and the bent region 10a is bent into the flexible wiring board. 10 is preferably locked to the outer surface 40a of the housing 40 so that no slack occurs in a portion between one end (the end connected to the liquid crystal display panel 1) and the locked portion 12. For this reason, in this embodiment, the locking projection 45 is made to correspond to the position of the locked portion 12 when the portion between the one end of the flexible wiring board 10 and the locked portion 12 is tensioned in a slack-free state. Is provided.

  In this embodiment, the flexible wiring board 10 is locked to the locked portion 12 as follows. First, the flexible wiring board 10 drawn out of the housing 40 is bent along the outer surface 40a of the housing 40 so as to be in contact with the outer surface 40a, and the bent region 10a is directed to the lower surface 40b side of the housing 40. By pulling in the direction of the direction, the position of the center P of the hole 13 to be locked approximately matches the center position of the locking protrusion 45. As described above, when the bent region 10 a of the flexible wiring board 10 is pulled toward the rear side of the housing 40, the gap between the one end of the flexible wiring board 10 connected to the liquid crystal display panel 1 and the locked portion 12. The part is tense so that there is no slack.

  Next, while maintaining the tension state of the flexible wiring board 10, the portion around the locked portion 12 in the bent region 10 a is pressed against the outer surface 40 c side of the housing 40, thereby engaging the locked hole 13. It fits in the column part 45a of the stop protrusion 45, and the tension | pulling of the flexible wiring board 10 is cancelled | released after that.

  When the tension of the flexible wiring board 10 is released, the bending region 10a of the flexible wiring board 10 is displaced in the direction toward the upper surface 40a side of the housing 40 due to the elastic repulsive force of the flexible wiring board 10 itself. As described above, the edge closest to the other end of the flexible wiring board 10 in the periphery of the locked hole 13 is the lowermost side of the peripheral surface of the column portion 45a of the locking protrusion 45 (the lower surface of the housing 40). 40b side). Note that the amount of displacement of the bent region 10a due to the elastic repulsive force of the flexible wiring board 10 itself is very small corresponding to the difference between the radius of the locked hole 13 and the radius of the column portion 45a of the locking protrusion 45. Amount.

  When the edge closest to the other end of the flexible wiring board 10 in the periphery of the hole 13 to be locked is in contact with the lowermost part of the peripheral surface of the column 45a of the locking protrusion 45, Since further deviation of the bent area 10a is prevented, the bent area 10a of the flexible wiring board 10 is not loosened at a portion between one end of the flexible wiring board 10 and the locked portion 12. Locked.

  The head 45 b of the locking projection 45 has an edge closest to the other end of the flexible wiring board 10 in the periphery of the locked hole 13, of the peripheral surface of the column portion 45 a of the locking projection 45. Even when it comes into contact with the lowermost portion, the edge of the entire circumference of the head 45 b has a diameter that overlaps the edge of the entire circumference of the locked hole 13. Therefore, even if the locked hole 13 is locked to the column portion 45a of the locking protrusion 45 in an eccentric state in which the respective center positions are shifted, the locked hole 13 can easily come off from the locking protrusion 45. There is no.

  In this way, the bent region 10a of the flexible wiring board 10 is formed so that no slack occurs in the portion between the one end connected to the liquid crystal display panel 1 of the flexible wiring board 10 and the locked portion 12. Since the portion on the liquid crystal display panel 1 side with respect to the locked portion 12 of the flexible wiring board 10 can be prevented from shifting and being locked, the liquid crystal display panel 1 can be further lifted. Can be effectively prevented.

  In addition, in this display device, the bent region 10 a is placed on the lower surface 40 b of the housing 40 at a portion on the other end side from the bent region 10 a of the flexible wiring board 10 that is locked to the outer surface 40 c of the housing 40. Bent. Therefore, there is no overhang of the flexible wiring board 10 to the outside of the housing 40. Further, since the other end of the flexible wiring board 10 bent along the lower surface 40b of the housing 40 is connected to the display control means 50 disposed on the lower surface 40b side of the housing 40, a display device for an electronic device is provided. Can be easily implemented.

  In addition, this display device forms a locked portion 12 having a locked hole 13 at a predetermined location in the bent region 10 a of the flexible wiring board 10, and the locked portion 12 is connected to the outside of the housing 40. Since it is locked to the locking portion formed by the locking protrusion 45 formed at a predetermined position on the side surface 40c, the bent area 10a of the flexible wiring board 10 is prevented from shifting to the outer side surface 40c of the housing 40. Can be locked.

  Further, the locking projection 45 includes a column part 45a protruding from the outer surface 40c of the housing 40 and a head part 45b formed at the tip of the column part 45a. The head 45 b is formed in a thickness that fits into the locked hole 13 of the plate 10, and the head 45 b has a size such that the peripheral edge of the head 45 b overlaps the peripheral edge of the locked hole 13. Therefore, the locked hole 13 is prevented from being detached from the locking projection 45 by getting over the head 45 b of the locking projection 45 and fitting it into the column portion 45 a of the locking projection 45. Can be locked.

  In addition, when the locked hole 13 is moved over the head 45 b of the locking projection 45 and fitted into the column portion 45 a of the locking projection 45, the head 45 b of the locking projection 45 is bent of the flexible wiring board 10. Since it protrudes to the outer surface side of the region 10a, the head 45b functions as a guard that prevents the bent region 10a of the flexible wiring board 110 from being pressed against an obstacle when mounted on an electronic device.

  Therefore, the bent region 10a of the flexible wiring board 110 is only pressed against the obstacle in a region other than the portion guarded by the head 45b of the locking projection 45, and therefore, the obstacle is bent from the obstacle to the bent region 10a. This prevents excessive external force from being applied.

  The locked portion 12 is formed so as to extend from the locked hole 13 in a predetermined direction continuously with the locked hole 13, and has a slit 14 that allows the locked hole 13 to expand. Therefore, the locked hole 13 can be easily widened to get over the head 45b of the locking projection 45 and fit into the column portion 45a of the locking projection 45.

  Further, in the above embodiment, since the slit 14 is formed to be opened at the side edge of the bent region 10a of the flexible wiring board 10, the hole 13 to be locked is further widened and the locking projection 45 is formed. The head 45b can be overcome.

  In addition, since the slit 14 is formed to have a width smaller than the thickness of the column portion 45 a of the locking projection 45, the locked hole 13 is fitted into the column portion 45 a of the locking projection 45 so that the housing 40 The bent region 10 a of the flexible wiring board 10 locked to the outer side surface 40 c does not move in the direction along the slit 14.

  However, if a strong force is applied to the bent region 10a of the flexible wiring board 10 such that the end of the slit 14 on the locked hole 13 side is pressed against the column 45a of the locking projection 45, the slit 14 is engaged. A direction in which the bent region 10a is expanded by the column portion 45a of the locking projection 45 and the column portion 45a of the locking projection 45 enters the slit 14 from the locked hole 13 (slit 14 from the locked hole 13). In the direction opposite to the stretching direction).

  For example, if the slit 14 is formed by extending from the locked hole 13 in the longitudinal direction of the bent region 10a, the slit 14 is directed downward (in the direction toward the lower surface 40b of the housing 40) or upward. When a force (in a direction toward the upper surface 40a side of the housing 40) is applied, the bending region 10a moves in the longitudinal direction.

  That is, when the extending direction of the slit 14 is toward the one end side of the flexible wiring board 10, when the strong downward force is applied to the bending area 10 a, the bending area 10 a is formed on the outer surface 40 a of the housing 40. And a force that causes the flexible wiring board 10 to peel from the terminal array portion 3 a of the liquid crystal display panel 1 may act on the flexible wiring board 10.

  In addition, when the extending direction of the slit 14 is the direction toward the other end side of the flexible wiring board 10, when an upward force is applied to the bending region 10 a, the bending region 10 a becomes the outer surface 40 a of the housing 40. , And may be slackened in a portion between the locked portion 12 of the flexible wiring board 10 and one end connected to the liquid crystal display panel 1.

  Therefore, in the above embodiment, the slit 14 is formed by extending from the locked hole 13 in the short direction of the flexible wiring board 10. Thus, if the extending direction of the slit 14 is the short direction of the flexible wiring board 10, even if a strong downward or upward force is applied to the bending area 10a, the bending area 10a is displaced in the longitudinal direction. Therefore, a force that causes the flexible wiring board 10 to be peeled off from the terminal arrangement portion 3a of the liquid crystal display panel 1 acts on the flexible wiring board 10, or one end connected to the locked portion 12 of the flexible wiring board 10 and the liquid crystal display panel 1. There will be no slack in the area between.

  Furthermore, in the said Example, the to-be-latched part 12 was formed in the one edge part side of the bending area | region 10a of the flexible wiring board 10, and the other edge part side, respectively, and this each to-be-latched part 12 and 12 was carried out. The housing 40 is latched by latching protrusions 45, 45 formed at two locations on the outer side surface 40 c.

  The extending direction of the slit 14 from the locked hole 13 of the one locked part 12 and the extending direction of the slit 14 from the locked hole 13 of the other locked part 12 are opposite to each other. Therefore, even if a strong lateral force along the short direction of the flexible wiring board 10 is applied to the bent region 10a, the side opposite to the slit 14 of the locked hole 13 of one of the locked portions 12 is provided. The hole edge is received by the column portion 45 a of the locking projection 45. Therefore, even if a strong lateral force along the short direction of the flexible wiring board 10 is applied to the bending region 10a, the bending region 10a does not move in the short direction.

  In addition, a locked portion 12 is formed on one edge side and the other edge side of the bent region 10 a of the flexible wiring board 10, and each engaged portion is provided at two locations on the outer side surface 40 c of the housing 40. Since the locking projections 45 and 45 are formed corresponding to the stoppers 12 and 12, respectively, the bent region 10a of the flexible wiring board 10 is securely attached to the outer surface 40c of the housing 40 with a stronger locking force. Can be locked.

  Further, the housing 40 has a locking projection 45 integrally protruding on the outer side surface 40c. The locking projection 45 is a column portion 45a protruding perpendicularly from the outer side surface 40c of the casing 40. And a head 45b formed at the tip of the pillar 45a. The head 45b has a pair of flat surfaces parallel to the outer surface 40c of the housing 40, and has a shape sandwiched between the pair of flat surfaces. Therefore, the housing 40 can be formed by two-part molds 61 and 62 that are vertically divided at a position passing through the center of the portion where the locking projection 45 is formed as shown in FIG.

[Second Example]
In the second embodiment shown in FIG. 10, the locked portion 12 provided in the bending region 10 a of the flexible wiring board 10 has one direction along the short direction of the flexible wiring board 10 from the locked hole 13. The slits 14 and 14 are formed by extending in the opposite direction to the other direction, and the other configurations are the same as those of the display device of the first embodiment. In the second embodiment, one slit 14 is formed from the locked hole 13 toward the side edge of the bent region 10a and is open to the side edge.

  The locked portion 12 of the second embodiment is extended from the locked hole 13 in the one direction and the other direction of the bent region 10a to form two slits 14 and 14, respectively. Therefore, the spread of the locked hole 13 can be allowed more effectively than in the first embodiment. In addition, since one slit 14 is formed open to the side edge of the bent region 10 a of the flexible wiring board 10, the spread of the locked hole 13 can be more effectively allowed. Therefore, the locked hole 13 can be easily widened to get over the head 45 b of the locking protrusion 45 and fit into the column portion 45 a of the locking protrusion 45.

[Third embodiment]
In the second embodiment, one slit 14 is opened to the side edge of the bent area 10a of the flexible wiring board 10, but the slit 14 is not necessarily opened to the side edge of the bent area 10a. Also good. In the third embodiment shown in FIG. 11, both slits 14 and 14 are formed to have the same length and neither slit 14 opens to the side edge of the bent region 10a.

  Also in the locked portion 12 of the third embodiment, the locked holes 12 are extended in the one direction and the other direction of the bent region 10a by two slits 14 and 14, respectively. Since the expansion of the stop hole 13 can be effectively allowed, the locked hole 13 is easily expanded to get over the head 45b of the locking protrusion 45 and fit into the column part 45a of the locking protrusion 45. be able to.

[Fourth embodiment]
In the fourth embodiment shown in FIG. 12, the slits 14 are formed so as to be symmetric with respect to the straight line L parallel to the short side direction of the flexible wiring board 10 as the symmetry axis. The center P is formed at a position closer to the other end of the bent region 10a than the parallel straight line. Other configurations are the same as those of the display device of the first embodiment.

  In this fourth embodiment, the slit 14 has a side closer to one end of the flexible wiring board 10, of two sides along the short direction of the flexible wiring board 10, of the edge of the locked hole 13. Of these, the display panel is formed so as to coincide with a portion closest to one end.

  Further, the fourth embodiment is formed by extending the slit 14 from the locked hole 13 in one direction along the short direction of the flexible wiring board 10, and the slit 14 is locked. The hole 13 is formed to extend toward the side edge of the bent region 10a, and is open to the side edge.

  The locked portion 12 of the fourth embodiment has the slit 14 at a position offset from the center P of the locked hole 13 toward one end side of the flexible wiring board 10 (connection side to the liquid crystal display panel 1). Since the center line L is formed so as to be positioned, the bent area 10a of the flexible wiring board 10 is placed above the bent area 10a (in the direction toward the upper surface 40a of the housing 40) or the flexible wiring board 10 is short. When a force that shifts in the hand direction is applied, the hole 13 other than the portion where the slit 14 is connected is received by the pillar 45 a of the locking protrusion 45.

  Therefore, it is ensured that the bent area 10a of the flexible wiring board 10 is shifted upward, and the portion of the flexible wiring board 10 between the locked portion 12 and one end of the display panel 1 is slackened. In addition, it is possible to prevent the bent region 10a from shifting in the short direction more reliably than in the first embodiment.

  Also in this embodiment, the locked portion when the portion between the one end of the flexible wiring board 10 (the end portion connected to the liquid crystal display panel 1) and the locked portion 12 is tensioned in a slack-free state. 12 is provided so as to correspond to the position 12, and the bent region 10a of the flexible wiring board 10 drawn out of the housing 40 is pulled in a direction toward the lower surface 40b of the housing 40, thereby The position of the center P of the hole 13 is substantially matched with the center position of the locking projection 45 so that the locked hole 13 is fitted to the column portion 45 a of the locking projection 45.

  Therefore, also in this embodiment, when the tension of the flexible wiring board 10 is released, the direction in which the bent region 10a of the flexible wiring board 10 faces the upper surface 40a side of the housing 40 due to the elastic repulsive force of the flexible wiring board 10 itself. The edge closest to the other end of the flexible wiring board 10 on the periphery of the hole 13 to be locked is the lowermost side of the peripheral surface of the column part 45a of the locking protrusion 45 (the lower surface of the housing 40). 40b side).

  When the edge closest to the other end of the flexible wiring board 10 in the periphery of the hole 13 to be locked is in contact with the lowermost part of the peripheral surface of the column 45a of the locking protrusion 45, Since further deviation of the bent area 10a is prevented, the bent area 10a of the flexible wiring board 10 is not loosened at a portion between one end of the flexible wiring board 10 and the locked portion 12. Locked.

  In this embodiment, the position of the center P of the hole 13 to be locked is located on the other end side of the flexible wiring board 10 with respect to the slit center line L, and the column portion 45a of the locking protrusion 45 in the locked state. Is located on the other end side of the flexible wiring board 10 with respect to the slit center line L, and the center position of the column portion 45a of the locking projection 45 is more flexible than the center P of the locked hole 13. It will be located in the other end side.

  Also in this embodiment, the head 45 b of the locking projection 45 has an edge closest to the other end of the flexible wiring board 10 in the periphery of the locked hole 13 of the column portion 45 a of the locking projection 45. Even when it comes into contact with the lowermost portion of the peripheral surface, the entire peripheral edge of the head 45 b has a diameter that overlaps the entire peripheral edge of the locked hole 13.

  Therefore, the positional relationship between the center P and the slit center line L of the locked hole 13 and the center position of the column portion 45 a of the locking protrusion 45, and the head 45 b of the locking protrusion 45 are flatter than the locked hole 13. Due to the large shape, once the locked portion 12 is locked to the locking protrusion 45, it is possible to further prevent them from coming off.

[Fifth Example]
In the fifth embodiment shown in FIG. 13, the locked portion 12 of the fourth embodiment is arranged such that the one direction and the other direction along the short direction of the flexible wiring board 10 from the locked hole 13. And one slit 14 is formed from the locked hole 13 toward the side edge of the bent region 10a, and is formed on the side edge. It is open.

  The locked portion 12 of the fifth embodiment extends from the locked hole 13 in the one direction and the other direction of the bent region 10a to form two slits 14 and 14, respectively. Therefore, the spread of the locked hole 13 can be allowed effectively.

  In addition, since one slit 14 is formed open to the side edge of the bent region 10 a of the flexible wiring board 10, the spread of the locked hole 13 can be more effectively allowed. Therefore, the locked hole 13 can be easily widened to get over the head 45 b of the locking protrusion 45 and fit into the column portion 45 a of the locking protrusion 45.

[Sixth embodiment]
In the fifth embodiment, one slit 14 is opened to the side edge of the bent area 10a of the flexible wiring board 10, but the slit 14 is not necessarily opened to the side edge of the bent area 10a. Also good. In the sixth embodiment shown in FIG. 14, both slits 14 and 14 are formed to have the same length and neither slit 14 opens to the side edge of the bent region 10a.

  Further, in any of the second to sixth embodiments, the locked portion 12 is formed on one edge and the other edge of the two edges along the longitudinal direction of the bent region 10a. It is preferable that the locking portions formed by the locking protrusions 45 are formed at two locations on the outer surface of the housing 40 so as to correspond to the locked portions 12 and 12 respectively.

[Modification of locking part]
When the locked portion 12 of the flexible wiring board 10 is formed in the shape of the fourth to sixth embodiments, the locking protrusion 45 of the housing 40 is preferably formed as shown in FIG. That is, a portion of the head 45b of the locking projection 45 located on the front side of the display panel 1 is linear, and the flexible wiring board 10 is elastic while the locked portion 12 is locked to the locking projection 45. In a state in which the portion at the other end side of the edge of the locked hole 13 of the locked portion 12 is deformed by the restoring force and the rearmost portion of the side surface of the column portion 45a of the locking protrusion 45 is in contact. In some cases, it is desirable that the front edge of the head 45 b is formed so as to overlap the flexible wiring board 10.

  By forming the head portion 45 b of the locking projection 45 in such a shape, the locked portion 12 can be locked to the locking projection 45 so as not to be easily detached. Although the locked portion 12 shown in FIG. 15 is that of the sixth embodiment, the locked portion 12 is also locked in the locked portion 12 of the fourth embodiment or the fifth embodiment. The protrusion 45 can be locked so as not to be detached.

[Other embodiments]
In each of the above embodiments, the flexible wiring board 10 drawn out of the outer surface 40c of the housing 40 is bent along the outer surface 40a of the housing 40. 7, that is, the side of the flexible wiring board 10 that is pulled out of the housing 40 may be bent in advance so as to be bent along the outer surface 40 c of the housing 40.

  In that case, the flexible wiring board 10 is bent by, for example, bending the flexible wiring board 10 by heating the flexible wiring board 10 to a softening temperature and lowering the temperature while maintaining the bent state. It can be done by the method of attaching.

  If the flexible wiring board 10 is previously bent into a shape as shown in FIG. 7, the flexible wiring board 10 is elastically repelled as if the flexible wiring board 10 drawn out of the housing 40 is bent. The lifting force of the liquid crystal display panel 1 due to the force can be eliminated.

  Moreover, the locked part provided in the bending area | region 10a of a flexible wiring board is not restricted to the to-be-latched hole 13 of the said Example, For example, the notch etc. which were formed in the side edge part of the bending area | region 10a may be sufficient. . Furthermore, the locking portion provided on the outer surface 40c of the housing 40 is not limited to the locking protrusion 45, and any locking portion that can lock the locked portion provided in the bent region 10a of the flexible wiring board may be used.

  Then, the locked portion provided in the bent area 10a of the flexible wiring board is locked to the locking portion provided on the outer side surface 40c of the casing 40, thereby being pulled out of the casing 40 of the flexible wiring board 10. It is possible to prevent the liquid crystal display panel 1 from being lifted by an external force applied to the part, and to maintain the liquid crystal display panel 1 in the housing 40.

  Further, the display device of each of the above embodiments is the one in which the liquid crystal display panel 1 and the surface light source 20 are accommodated in the casing 40. However, in the present invention, the liquid crystal display panel 1 is accommodated in the casing 40. The present invention can also be applied to a display device in which the surface light source 20 is arranged on the lower surface 40b side.

  Further, the present invention is not limited to the case where the liquid crystal display panel 1 is housed in the housing 40, but a display in which a self-luminous display panel such as an organic EL (electroluminescence) display panel or a plasma display panel is housed in the housing 40. It can also be applied to devices.

  DESCRIPTION OF SYMBOLS 1 ... Liquid crystal display panel, 1a ... Screen area, 3a ... Terminal arrangement part, 10 ... Flexible wiring, 10a ... Bending area | region, 12 ... Locked part, 13 ... Locked hole, 14 ... Slit, 20 ... Surface light source 40 ... casing 40a ... upper surface 40b ... lower surface 40c outer surface 41 ... display panel housing portion 42 ... display panel support surface 45 ... locking projection (locking portion) 45a ... pillar portion 45b ... Head, 50 ... Display control means

Claims (16)

A display panel having a terminal array portion formed at an end thereof, a flexible wiring board having one end connected to the terminal array portion of the display panel, and a housing having a storage portion in which the display panel is stored A device,
The housing has a locking portion including a protrusion formed at a predetermined position on the outer surface,
The flexible wiring board is pulled out from the display panel housing portion of the housing to the outside of the housing and is bent along the outer surface of the housing, and a predetermined bending region along the outer surface of the housing is predetermined. It has a locked portion including a locked hole drilled in a location,
In the locked portion, the flexible wiring board is locked to the locking portion by fitting the locked hole into the protrusion,
The locked portion is formed so as to extend in a predetermined direction from the locked hole continuously with the locked hole, and has a slit that allows the locked hole to expand. A display device. The flexible wiring board has the locking portion corresponding to the position of the locked portion when a portion between the one end of the flexible wiring board and the locked portion is tensioned in a slack-free state. The display device according to claim 1 , wherein the display device is provided. The protrusion includes a column portion protruding from the outer surface of the housing and a head portion formed at the tip of the column portion, and the column portion is formed to have a thickness that fits into the locked hole. The head is formed in a size such that the peripheral edge of the head overlaps the peripheral edge of the locked hole, and the locked hole passes over the head of the protrusion to The display device according to claim 1 , wherein the display device is fitted to a column portion. The slit is a display device according to any one of claims 1 to 3, characterized in that it is formed to a smaller width than the thickness of the pillar portion of the projection. The slit is displayed according the to the object to be locked holes, one of 4 from claim 1, characterized in that it is formed by stretching in a direction orthogonal to the bending direction of the flexible wiring board apparatus. The locked hole is formed in a region adjacent to a side edge of the bent region, and the slit is formed from the locked hole toward a side edge of the bent region, and the side edge The display device according to claim 5 , wherein the display device is open. The slit claim, characterized in that the formed respectively by stretching in one direction along a direction orthogonal to the bending direction of the flexible wiring board from the engaged hole and its opposite 5 The display device described in 1. The locked hole is formed in a region adjacent to the side edge of the bent region, and the one slit is formed from the locked hole toward the side edge of the bent region, The display device according to claim 7 , wherein the display device is open to a side edge. 9. The display device according to claim 5 , wherein the slit is formed on a side of a center position in the bending direction of the flexible wiring board of the locked hole. The slit claim 5, characterized in that said formed at a side of a position closer to one end of the flexible wiring board than the center in the bending direction of the flexible wiring board of the engagement hole 8 The display apparatus in any one of. Of the two sides along the extending direction of the slit, the side closer to one end of the flexible wiring board is closer to one end of the flexible wiring board than the edge of the locked hole. The display device according to claim 10 , wherein the display device is formed to match the portion. The locked portion is formed in a region adjacent to one side edge of the bent region and a region adjacent to the other side edge, respectively, and the locking portion is formed on an outer surface of the housing. The display device according to any one of claims 1 to 11 , wherein the display device is formed at two locations corresponding to each of the locked portions. The display panel housing portion of the housing has a display panel support surface that supports the display panel from the rear side, and the display panel is placed on the display panel support surface. display device according to any one of claims 1 to 12 to. The display panel is a liquid crystal display panel, and a surface light source for irradiating illumination light toward the liquid crystal display panel is disposed on the rear side of the liquid crystal display panel so as to be integrated with the liquid crystal display panel. display device according to any one of claims 1 to 13 to. The display device according to any one of claims 1 to 14 , wherein a portion of the flexible wiring board on the other end side with respect to the bent region is disposed along the lower surface of the casing. The other end of the flexible wiring board, a display device according to any one of 15 claims 1, characterized in that it is connected to the display control means arranged on the rear side of the casing.

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