JP2011017856A - Case and display - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a case that is easily assembled without fastening with screws.SOLUTION: The case includes: a first case member 28 including a first major face 29 forming one face of a housing space for components, a first bent part 30 formed by bending an edge of the first major face 29 toward the housing space side, and a first folded part 31 formed by folding a top end of the first bent part 30 to the outer surface side of the first bent part 30; and a second case member 33 including a second major face 34 forming the other face of the housing space, a second bent part 35 formed by bending an edge of the second major face 34 toward the housing space side, and a second folded part 36 formed by folding a top end of the second bent part 35 to the outer surface side of the second bent part 35. The first case member 28 and the second case member 33 are assembled by fitting the second folded part 35 to the outside of the first bent part 30 and the first folded part 31, and butting the top end face of the first folded part 31 to the top end face of the second folded part 36.

Description

  The present invention relates to a case and a display device.

  For example, a case that accommodates components such as a liquid crystal display panel and a surface light source is conventionally configured by fastening a chassis and a case body with screws (see Patent Document 1).

JP 2006-195224 A

  However, the conventional case in which the chassis and the case body are fastened with screws is costly for drilling holes, manufacturing and managing the screws, and many man-hours such as screw insertion and tightening are required for assembling the case. Have the problem of requiring

  An object of the present invention is to provide a case that can be easily assembled without fastening with screws.

  Another object of the present invention is to provide a display device that can be easily manufactured at low cost.

The invention according to claim 1 is a case for housing parts,
A first main surface portion that forms one surface of the housing space for the component; a first bent portion formed by bending an edge of the first main surface portion toward the housing space; and the first fold. A first case member having a first folded portion formed by folding a distal end portion of a curved portion toward an outer surface side of the first folded portion toward the first main surface portion;
A second main surface portion forming the other surface of the accommodation space; a second bent portion formed by bending an edge of the second main surface portion toward the accommodation space; and the second bent portion. A second case member having a second folded portion formed by folding the tip of the second folded portion toward the inner surface of the second bent portion toward the second main surface portion,
The first case member and the second case member fit the second bent portion outside the first bent portion and the first folded portion, and the front end surface of the first folded portion and the It is characterized by being combined with the front end surface of the second folded portion.

  According to a second aspect of the present invention, in the case of the first aspect, the second bent portion of the second case member is a base of the second folded portion folded from the second bent portion. The second case member and the first case member are brought into contact with the base of the first folded portion folded from the first bent portion of the first case member, and the second main surface portion and the first By pressing the first main surface portion so as to be close to each other, the first bent portion is elastically deformed so as to be inclined toward the inner surface toward the tip, or the second bent portion is moved toward the tip. The second bent portion of the second case member is elastically deformed so as to be inclined in the direction, and the second bent portion is fitted to the outside of the first bent portion and the first bent portion, and the tip of the second bent portion is The first folded part and the second folded part when passing over the tip of the first folded part Parts there is a distal end surface of the distal end surface of the first folded portions elastically return the second folded portion, characterized in that the butted.

  According to a third aspect of the present invention, in the case of the second aspect, the housing space is disposed between the first main surface portion of the first case member and the second main surface portion of the second case member. A frame member that supports the component to be mounted is disposed, and the first main surface portion and the second main surface portion are supported from the inner surface side by the frame member at portions near their respective edges, and the tip of the first folded portion The front surface of the surface and the second folded portion has an edge outside the portion supported by the frame member of at least one of the first main surface portion and the second main surface portion. It is abutted by elastically deforming until it passes the tip of the first folded portion, and is held in the abutted state by an elastic return force of the main surface portion.

  The invention according to claim 4 is the case according to any one of claims 1 to 3, wherein the first bent portion of the first case member and the second bent portion of the second case member are Each of the first main surface portion and the second main surface portion is formed by bending the edge portion of the first main surface portion at a substantially right angle, and the first folded portion and the second folded portion are respectively formed by the first bent portion. The distal end portion and the distal end portion of the second bent portion are folded back substantially parallel to the first bent portion and the second bent portion.

  According to a fifth aspect of the present invention, in the case according to any one of the first to fourth aspects, the first folded portion of the first case member has a height smaller than the height of the first folded portion. The second folded portion of the second case member is formed at a height smaller than the height of the second bent portion.

  The invention according to claim 6 is the case according to any one of claims 1 to 5, wherein the first folded portion of the first case member is an inner surface of the second main surface portion of the second case member. It is formed in the height which penetrates between the front-end surface of the said 2nd folding | turning part, It is characterized by the above-mentioned.

  The invention according to claim 7 is the case according to any one of claims 1 to 6, wherein the first main surface portion of the first case member and the second main surface portion of the second case member are each square. The first bent portion and the first folded portion of the first case member, and the second bent portion and the second folded portion of the second case member are formed in the shape, the first main surface portion and the second folded portion, respectively. It is formed so as to correspond to at least two edges facing each other across at least the principal surface of each edge of the principal surface.

  The invention according to claim 8 is the case according to claim 7, wherein the first bent portion of the first case member and the second bent portion of the second case member are respectively the first main surface portion and the second bent portion. It is formed over substantially the entire length of at least the two edge portions of the second main surface portion, and the first folded portion and the second folded portion are arranged along the longitudinal direction of the first folded portion and the second folded portion. It is characterized by being formed.

  The invention according to claim 9 is the case according to any one of claims 1 to 8, wherein the first bent portion of the first case member and the second bent portion of the second case member are The first case member and the second case member are formed on a side edge portion of the first main surface portion of the first case member and a second main surface portion of the second case member. Between the side edge portion, the portion on the first main surface side of the first folded portion of the first folded portion, the portion on the distal end side of the second folded portion, and the second folded portion A region of a three-plate structure comprising: a portion on the tip side of the first bent portion, and the second main surface portion than the tips of the second folded portion of the first folded portion and the second folded portion. It is characterized by being combined by forming a side surface portion having a three-plate structure region composed of a side portion.

  The invention according to claim 10 is the case according to any one of claims 1 to 8, wherein the second bent portion of the second case member is the first bent portion of the first case member. The first case member and the second case member have portions on the distal end side of the second bent portion and the base portion side of the second folded portion in the first case. Projecting in the outer surface direction of the first main surface portion of the case member, and between the side edge portion of the first main surface portion and the side edge portion of the second main surface portion of the second case member, The first folded portion and the second folded portion of the second folded portion are combined to form a side surface portion of a three-plate structure composed of a portion closer to the second main surface portion than the second folded portion. .

According to an eleventh aspect of the present invention, in the case according to any one of the first to eighth aspects, a second housing space is formed on the outer surface side of the first main surface portion of the first case member. A three-case member,
The third case member has a third main surface portion forming a surface opposite to the first case member side of the second storage space, and an edge portion of the third main surface portion on the second storage space side. A third bent portion formed by bending, and a third bent portion formed by folding back the tip of the third bent portion toward the inner surface of the third bent portion toward the third main surface portion. Having three folded portions,
The second case member has a reverse folded portion formed by folding a tip end portion of the second bent portion toward an outer surface side of the second bent portion toward the second main surface portion. ,
The second case member and the third case member fit the third bent portion outside the second bent portion and the reverse folded portion, and the tip surface of the reverse folded portion and the third It is characterized by being combined with the front end surface of the folded portion.

  According to a twelfth aspect of the present invention, in the case of the eleventh aspect, the third bent portion of the third case member is a base portion of the third folded portion that is folded from the third bent portion. The third case member and the second case member are brought into contact with the base of the reverse folded portion folded from the second bent portion of the second case member, and the third main surface portion and the second By pressing the main surface portion closer to each other, the second bent portion is elastically deformed so as to be inclined toward the inner surface toward the tip, or the third bent portion is directed toward the tip. The third folded portion of the third case member is fitted to the outside of the second folded portion and the reverse folded portion so that the tip of the third folded portion is the reverse. The second bent part and the third bent part when passing over the tip of the folded part There is characterized in that the distal end surface of the distal end surface of the reverse folded portions elastically return the third folded portion is butted.

  According to a thirteenth aspect of the present invention, in the case according to the twelfth aspect, the third case member is a component in which a portion near the edge of the third main surface portion is accommodated in the second accommodation space. The tip surface of the reverse folded portion and the tip surface of the third folded portion are supported by the first main surface portion of the first case member via a part of the third main surface portion supported by the component. The outer edge is abutted by elastic deformation until the tip of the third folded portion passes over the tip of the reverse folded portion, and is held in the butted state by the elastic return force of the third main surface portion. Features.

  The invention according to claim 14 is the case according to any one of claims 11 to 13, wherein the reverse folded portion of the second case member has a height smaller than the height of the second bent portion. The third folded portion of the third case member is formed at a height smaller than the height of the third folded portion.

  The invention according to claim 15 is the case according to any one of claims 11 to 14, wherein the reverse folded portion of the second case member is an inner surface of the third main surface portion of the third case member. It is formed in the height which penetrates between the front end surfaces of the said 3rd folding | turning part.

  The invention according to claim 16 is the case according to any one of claims 11 to 15, wherein the second bent portion of the second case member is the first bent portion of the first case member. The third bent portion of the third case member is formed at a height substantially equal to the height of the second bent portion of the second case member, The one case member, the second case member, and the third case member are disposed between a side edge portion of the first main surface portion of the first case member and a side edge portion of the third main surface portion of the third case member. A portion on the tip side of the first bent portion and a portion closer to the second main surface portion than a tip of the second folded portion and the reverse folded portion of the first folded portion and the second folded portion; A region of a five-plate structure consisting of a portion on the tip side of the third bent portion and the third folded portion, and a tip side of the second bent portion A side surface having a three-plate structure composed of a portion and the second folded portion or the reverse folded portion and a portion of the third folded portion that is closer to the third main surface portion than the tip of the third folded portion. It is characterized by forming a part and combining.

According to a seventeenth aspect of the present invention, there is provided a liquid crystal display panel that displays an image by controlling transmission of light, a surface light source that is disposed behind the liquid crystal display panel and that emits illumination light toward the liquid crystal display panel. In a display device comprising a case for housing the liquid crystal display panel and the surface light source,
The case is
A first main surface portion that forms one surface of an accommodation space for the liquid crystal display panel and the surface light source, and a first bent portion that is formed by bending an edge of the first main surface portion toward the accommodation space. And a first case member having a first folded portion formed by folding the front end portion of the first bent portion toward the first main surface portion on the outer surface side of the first bent portion;
A second main surface portion forming the other surface of the accommodation space; a second bent portion formed by bending an edge of the second main surface portion toward the accommodation space; and the second bent portion. A second case member having a second folded portion formed by folding the tip of the second folded portion toward the inner surface of the second bent portion toward the second main surface portion;
A display opening provided on either one of the first main surface portion of the first case member and the second main surface portion of the second case member,
Between the first main surface portion of the first case member and the second main surface portion of the second case member, the liquid crystal display panel and the surface light source cause the screen area of the liquid crystal display panel to face the display opening. Arranged,
The first case member and the second case member fit the second bent portion outside the first bent portion and the first folded portion, and the front end surface of the first folded portion and the It is combined with the front end surface of a 2nd folding | turning part, It is characterized by the above-mentioned.

  According to an eighteenth aspect of the present invention, in the display device according to the seventeenth aspect, the liquid crystal display panel and the surface light source are supported by a frame member, and the front end surface of the first folded portion of the first case member And the front end surface of the second folded portion of the second case member supports the first main surface portion and a portion near the edge of the second main surface portion from the inner surface side by the frame member, and the first main surface portion. And at least one of the second main surface portions is abutted by elastically deforming the outer edge of the portion supported by the frame member until the tip of the second folded portion passes the tip of the first folded portion. The abutting state is maintained by an elastic restoring force of the main surface portion.

According to a nineteenth aspect of the present invention, there is provided a liquid crystal display panel that displays an image by controlling transmission of light, a surface light source that is disposed behind the liquid crystal display panel and that emits illumination light toward the liquid crystal display panel; In a display device comprising a case for housing the surface light source,
The case is
A first main surface portion that forms one surface of the surface light source accommodation space; a first bent portion formed by bending an edge of the first main surface portion toward the surface light source accommodation space; and the first A first case member having a first folded portion formed by folding a distal end portion of the bent portion toward the outer surface of the first bent portion toward the first main surface portion;
A second main surface portion that forms the other surface of the surface light source accommodating space, a second bent portion formed by bending an edge of the second main surface portion toward the surface light source accommodating space, and the first A second case member having a second folded portion formed by folding the front end portion of the second folded portion toward the inner surface side of the second bent portion toward the second main surface portion;
An opening for illumination provided in any one of the first main surface portion of the first case member and the second main surface portion of the second case member,
Between the first main surface portion of the first case member and the second main surface portion of the second case member, the surface light source is disposed with its light exit surface facing the illumination opening,
The first case member and the second case member fit the second bent portion outside the first bent portion and the first folded portion, and the front end surface of the first folded portion and the While being combined with the front end surface of the second folded portion,
The liquid crystal display panel is disposed on the outer surface of the main surface portion of the first main surface portion and the second main surface portion where the illumination opening is provided, with the screen area facing the illumination opening. It is characterized by being.

  According to a twentieth aspect of the present invention, in the display device according to the nineteenth aspect, the surface light source is supported by a frame member, and a front end surface of the first folded portion of the first case member and the second case. The front end surface of the second folded portion of the member supports the first main surface portion and a portion near the edge of the second main surface portion from the inner surface side by the frame member, and the first main surface portion and the second main surface portion. The edge of the surface part is abutted by elastically deforming the outer edge of the part supported by the frame member until the tip of the second folded part passes the tip of the first folded part. It is characterized by being held in the abutting state by an elastic restoring force.

  The invention according to claim 21 is the display device according to claim 19 or 20, wherein the illumination opening is provided in a first main surface portion of the first case member, and the second folding of the second case member is performed. The bent portion is formed at a height greater than the height of the first bent portion of the first case member, and the first case member and the second case member are on the distal end side of the second bent portion. And the base portion of the second folded portion is combined so as to protrude in the outer surface direction of the first main surface portion of the first case member, and the protrusion is disposed on the outer surface of the first main surface portion. A guard portion for protecting the liquid crystal display panel from the side is formed.

According to a twenty-second aspect of the present invention, there is provided a liquid crystal display panel that displays an image by controlling transmission of light, a surface light source that is disposed behind the liquid crystal display panel and that emits illumination light toward the liquid crystal display panel. In a display device comprising a case for housing the liquid crystal display panel and the surface light source,
The case is
A first main surface portion that forms one surface of the surface light source accommodation space; a first bent portion formed by bending an edge of the first main surface portion toward the surface light source accommodation space; and the first A first folded portion formed by folding the distal end portion of the bent portion toward the outer surface of the first bent portion in the direction of the first main surface portion, and an opening for illumination in the first main surface portion A first case member provided with:
A second main surface portion that forms the other surface of the surface light source accommodating space, a second bent portion formed by bending an edge of the second main surface portion toward the surface light source accommodating space, and the first A second folded portion formed by folding the distal end portion of the second folded portion toward the inner surface side of the second folded portion toward the second main surface portion, and the distal end portion of the second folded portion A second case member having a reverse folded portion formed by folding toward the direction of the second main surface portion on the outer surface side of the second bent portion;
A third main surface portion forming a surface opposite to the first case member side of the display panel housing space for forming a display panel housing space on the outer surface side of the first main surface portion of the first case member; A third bent portion formed by bending an edge portion of the third main surface portion toward the display panel housing space side, and a tip end portion of the third bent portion as an inner surface side of the third bent portion. And a third case member having a third folded portion formed by folding in the direction of the third principal surface portion, and a display opening provided in the third principal surface portion,
Between the first main surface portion of the first case member and the second main surface portion of the second case member, the surface light source is disposed with its light exit surface facing the illumination opening,
The first case member and the second case member fit the second bent portion outside the first bent portion and the first folded portion, and the front end surface of the first folded portion and the While being combined with the front end surface of the second folded portion,
On the outer surface of the first main surface portion, the liquid crystal display panel is disposed with its screen area facing the illumination opening,
The third case member is disposed with the display opening provided in the third main surface portion facing the screen area of the liquid crystal display panel, and the third case member and the second case member are The third bent portion is fitted to the outside of the second bent portion and the reverse folded portion, and the tip surface of the reverse folded portion and the tip surface of the third folded portion are abutted and combined. It is characterized by.

According to a twenty-third aspect of the present invention, in the display device according to the twenty-second aspect, the surface light source is supported by a frame member, and the front end surface of the first folded portion of the first case member and the second case The front end surface of the second folded portion of the member supports the first main surface portion and a portion near the edge of the second main surface portion from the inner surface side by the frame member, and the first main surface portion and the second main surface portion. The edge of the surface part is abutted by elastically deforming the outer edge of the part supported by the frame member until the tip of the second folded part passes the tip of the first folded part. Held in the butt state by elastic return force,
The third case member is supported by the first main surface portion of the first case member via the liquid crystal display panel at a portion near the edge of the third main surface portion, and the tip surface of the reverse folded portion The distal end surface of the third folded portion is elastic until the tip of the third folded portion passes through the edge of the third main surface portion outside the portion supported by the liquid crystal display panel until the distal end of the third folded portion passes the distal end of the reverse folded portion. It is abutted by being deformed, and is held in the abutted state by an elastic restoring force of the third main surface portion.

  According to one aspect of the present invention, the case can be easily assembled without fastening with screws.

  According to another aspect of the present invention, a display device can be easily manufactured at low cost.

The perspective view of the display apparatus of 1st Example of this invention. The expanded sectional view which followed the II-II arrow line of FIG. 1 of the display apparatus of 1st Example. The disassembled perspective view of the display apparatus of 1st Example. The perspective view of a part of 1st case member and 2nd case member in the display apparatus of 1st Example. Sectional drawing of the part corresponding to FIG. 2 which shows the assembly process of the case in manufacture of the display apparatus of 1st Example. The perspective view of a part of 1st case member and 2nd case member in the display apparatus of 2nd Example of this invention. The expanded sectional view of the part along the VII-VII arrow line of FIG. 6 of the display apparatus of 2nd Example. The perspective view of a part of 1st case member, 2nd case member, and 3rd case in the display apparatus of 3rd Example of this invention. The expanded sectional view of the part along the IX-IX arrow line of FIG. 8 of the display apparatus of 3rd Example. The expanded sectional view of the part along the XX arrow line of FIG. 8 of the display apparatus of 3rd Example.

[First embodiment]
As shown in FIGS. 1 to 4, the display device according to the first embodiment is arranged behind the liquid crystal display panel 1 that controls light transmission and displays an image, and the liquid crystal display panel 1. 1 is provided with a surface light source 11 that irradiates illumination light toward 1, and a case 27 that accommodates the liquid crystal display panel 1 and the surface light source 11. Hereinafter, the upper side in FIG. 2 (for example, the side opposite to the side where the surface light source 11 is disposed with respect to the liquid crystal display panel 1) is referred to as “observation side”, and the lower side in FIG. The side on which the light source 11 is disposed) is referred to as “back side”.

  As shown in FIGS. 2 and 3, the liquid crystal display panel 1 is disposed opposite to each other with a predetermined gap, and is connected to the observation side and the back side by a frame-shaped sealing material 4 surrounding the screen area 1a. A pair of transparent substrates 2 and 3, a liquid crystal layer 5 enclosed in a region surrounded by the sealing material 4 in a gap between the substrates 2 and 3, and an outer surface of the pair of substrates 2 and 3, respectively. It consists of the polarizing plate 6 and 7 of the observation side and back surface side which were arrange | positioned.

  The liquid crystal display panel 1 is, for example, an active matrix liquid crystal display panel using TFTs (thin film transistors) as active elements. Although not shown in the drawing, the inner surface of the substrate 3 on the back side (the liquid crystal layer 5 with respect to the substrate 3). A plurality of transparent pixel electrodes arranged in a matrix in the row direction and the column direction, and corresponding to these pixel electrodes, respectively, and connected to the corresponding pixel electrodes A plurality of TFTs, a plurality of scanning lines for supplying gate signals to the TFTs in each row, a plurality of signal lines for supplying data signals to the TFTs in each column, and a first alignment film formed so as to cover them. Provided on the inner surface of the observation-side substrate 2 (the side on which the liquid crystal layer 5 is disposed with respect to the substrate 2) is formed in correspondence with the color electrodes of three colors red, green, and blue respectively corresponding to the pixel electrodes. And a single transparent transparent electrode formed on the color filters so as to face the array region of the pixel electrodes, and a second alignment film formed so as to cover the counter electrode. Is provided.

  Further, the substrate 3 on the back surface side has a driver mounting portion 3a projecting outward from the substrate 2 on the observation side at one edge thereof, and each scanning line is provided on the driver mounting portion 3a. A driver element 8 for sequentially applying a gate signal to the signal line and applying a data signal to each signal line is mounted, and a control circuit for the driver element 8 and a surface light source lighting circuit are provided at the edge of the driver mounting portion 3a. , And a wiring film 9 provided with an electronic component unit 10 composed of an external circuit connector or the like is connected.

  The liquid crystal display panel 1 has a rectangular shape, for example, a rectangular outer shape, and the screen area 1a is formed in a region surrounded by the substrate bonding portion by the frame-shaped sealing material 4. .

  The liquid crystal display panel 1 includes a TN type in which liquid crystal molecules are twisted with a twist angle of substantially 90 °, an STN type in which liquid crystal molecules are twisted with a twist angle of 180 ° to 270 °, and liquid crystal molecules on a substrate surface. Vertical alignment type that is aligned substantially perpendicular to the liquid crystal, non-twisted horizontal alignment type in which the liquid crystal molecules are aligned in parallel with the substrate surface with the molecular long axis aligned in one direction, and the liquid crystal molecules are bend aligned It may be any of the bend alignment types, and may be a ferroelectric or antiferroelectric liquid crystal display element.

  Further, the liquid crystal display panel 1 is not limited to the electrodes provided on the pair of substrates 2 and 3 for forming a plurality of pixels, but a plurality of pixels are formed on the inner surface of the substrate 3 on the back surface side. And a second electrode having a plurality of elongated electrode portions formed on the liquid crystal layer 5 side or the substrate 3 side of the first electrode so as to be insulated from the first electrode. A lateral electric field control type liquid crystal display panel that changes the alignment state of liquid crystal molecules by generating a lateral electric field (an electric field in a direction along the substrate surface) between the electrodes may be used.

  The surface light source 11 is formed 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 an incident end face 13 that allows light to enter one of the two end faces in the longitudinal direction is formed. An exit surface 14 for emitting light incident from the entrance end surface is formed on one of the two plate surfaces, and the light incident from the entrance end surface 13 is internally reflected on the other plate surface toward the exit surface 14. On the light guide plate 12 on which the reflection surface 15 is formed, a plurality of light emitting elements 16 such as LEDs (light emitting diodes) disposed to face the incident end surface 13 of the light guide plate 12, and on the emission surface 14 of the light guide plate 12 And a diffusion layer 19 for diffusing light emitted from the emission surface 14 of the light guide plate 12 and two prism sheets 20 and 21 disposed on the diffusion layer 19 in a laminated manner. There.

  In the figure, each of the prism sheets 20 and 21 is shown as a single film, but the prism sheet 20 on the diffusion layer 19 side of the prism sheets 20 and 21 has a predetermined first. A plurality of elongate prisms along the width direction of the light guide plate 12 (direction parallel to the incident end face 13 and the exit face 14) are formed at a dense pitch, and the other prism sheet 21 has a predetermined value. A plurality of elongated prisms along the second direction, for example, the longitudinal direction of the light guide plate 12 (a direction perpendicular to the incident end face 13 and parallel to the exit face 14) are formed at a dense pitch.

  The plurality of light emitting elements 16 are arranged on a wiring board 17 on which connection wirings of these light emitting elements 16 are formed, and one side edge of the wiring board 17 is emitted from the light guide plate 12. The light guide plate 12 is disposed so as to face the incident end surface 13 by being attached to the end portion of the surface 14 on the incident end surface 13 side with a double-sided adhesive tape or the like.

  The electronic component unit 10 provided on the wiring film 9 connected to the driver mounting portion 3a of the liquid crystal display panel 1 is provided on the wiring substrate 17 on which the plurality of light emitting elements 16 are arranged. A lead wiring film 18 for connecting to the light source lighting circuit is connected.

  The surface light source 11 emits light emitted from the plurality of light emitting elements 16 and incident on the light guide plate 12 from the incident end face 13 from the entire exit surface 14 of the light guide plate 12, and the light is emitted from the light emitting plate 16. The light is diffused by the diffusion layer 19 and further refracted by the two prism sheets 20 and 21 in a direction in which the angle with respect to the normal direction of the light exit surface 14 of the light guide plate 12 is reduced. The illumination light having a high intensity distribution is emitted.

  Further, on the reflection surface 15 side of the light guide plate 12, the light leaked from the reflection surface 15 out of the light incident on the light guide plate 12 from the incident end surface 13 is reflected and returned into the light guide plate 12. The reflector 22 is arranged.

  The reflection plate 22 is formed in a rectangular shape having an area that is somewhat larger than the light guide plate 12, and is arranged with its peripheral portion protruding around the light guide plate 12, and the peripheral portion of the light guide plate 12. To the periphery of the light guide plate 12 by a double-sided adhesive tape 23 having a width extending from the periphery of the reflector 22 to the periphery of the light guide plate 12.

  Further, the display device includes a frame member 24 that supports the liquid crystal display panel 1 and the surface light source 11, and the liquid crystal display panel 1 has one surface that is substantially higher than an intermediate height in the frame member 24. The surface light source 11 is disposed in a region on the other surface side (hereinafter referred to as the lower side) in the frame member 24. Hereinafter, the length along the direction perpendicular to the upper and lower surfaces of the frame member 24 is referred to as height.

  The frame member 24 is formed of a resin molded product formed in a quadrangular shape, for example, a rectangular shape, surrounding the liquid crystal display panel 1 and the surface light source 11, and the outer peripheral surface of the frame member 24 has a height direction. Is formed in a linear surface substantially perpendicular to the upper and lower surfaces of the frame member 24, and the inner peripheral surface extends from the substantially central portion to the lower portion from the substantially central portion in the height direction. A protrusion 24a having a height that extends slightly above the lower surface of the frame member 24 is provided, and the inner peripheral surface of the portion above the protrusion 24a and the inner peripheral surface of the protrusion 24a are Each is formed in a shape formed on a linear surface parallel to the outer peripheral surface.

  A space above the projecting portion 24 a in the frame member 24 is a housing portion for the liquid crystal display panel 1, and the display panel housing portion has a planar shape slightly smaller than the outer shape of the liquid crystal display panel 1. The height (the height from the upper surface of the projecting portion 24a to the upper surface of the frame member 24) is substantially the same as the thickness of the liquid crystal display panel 1.

  In addition, a lower space surrounded by the projecting portion 24 a in the frame member 24 is a housing portion for the surface light source 11, and the planar light source housing portion has a planar shape that is the outer shape of the surface light source 11. The height (height of the protrusion 24a) is slightly larger than the thickness of the surface light source 11 (the total thickness of the light guide plate 12, the diffusion layer 19, and the prism sheets 20, 21). Is formed.

  The liquid crystal display panel 1 among the liquid crystal display panel 1 and the surface light source 11 which are components of the display device is arranged on the observation side surface (observation side polarizing plate) in the upper display panel housing portion in the frame member 24. 6 (the outer surface on the observation side) is directed toward the upper surface direction of the frame member 24, and the peripheral edge outside the screen area 1a of the rear surface (the outer surface on the rear surface of the rear polarizing plate 7) is The surface on the observation side is supported on the protrusion 24 a substantially flush with the upper surface of the frame member 24 by sticking to the upper surface of the protrusion 24 a of the frame member 24 with the double-sided adhesive tape 26.

  Further, the surface light source 11 is disposed in a lower surface light source housing portion in the frame member 24 with an emission light emitting surface (an outer surface on the observation side of the prism sheet 21) facing the liquid crystal display panel 1. The peripheral edge of the double-sided pressure-sensitive adhesive tape 23 that sticks the reflecting plate 22 to the reflecting surface 15 of the light guide plate 12 is pasted to the lower surface of the protruding portion 24 a of the frame member 24. Thus, the protrusion 24a is supported. Note that the lower surface of the protruding portion 24a is positioned higher than the lower surface of the protruding portion 24a by a height that is greater than the total thickness of the double-sided adhesive tape 23 and the reflecting plate 22, and is reflected from the light guide plate 12. The double-sided pressure-sensitive adhesive tape 23 and the reflection plate 22 attached to the surface 15 are accommodated in the frame member 24 so as not to protrude to the lower surface side of the frame member 24.

  Note that a wiring film lead-out portion 25 formed by removing a portion on the upper end side of the protruding portion 24a is provided on a side portion on one end side in the longitudinal direction of the frame member 24, and the liquid crystal display panel The wiring film 9 connected to one driver mounting portion 3a and the lead wiring film 18 connected to the wiring substrate 17 of the surface light source 11 are drawn out of the frame member 24 from the wiring film drawing portion 25, and the frame member 24, the lead wiring film 18 is connected to a light source lighting circuit of the electronic component unit 10 provided on the wiring film 9.

  On the other hand, the case 27 includes a first main surface portion 29 that forms one surface of an accommodation space for the liquid crystal display panel 1 and the surface light source 11 that are components of the display device, and an edge portion of the first main surface portion 29. Of the first main surface portion 29 on the outer surface side of the first bent portion 30 and a first bent portion 30 formed by bending the first bent portion 30 on the housing space side. A first case member 28 having a first folded portion 31 that is folded back in the direction, a second main surface portion 34 that forms the other surface of the housing space, and an edge of the second main surface portion 34. A second bent portion 35 formed by bending the first bent portion 35 toward the housing space side, and a tip end portion of the second bent portion 35 on the inner surface side of the second bent portion 35. A second case member 33 having a second folded portion 36 formed by folding back in the direction; One of the first main surface portion 29 of the case member 28 and the second main surface portion 34 of the second case member 33, for example, a display opening 38 provided in the second main surface portion 34 of the second case member 33; It is made up of.

  The first case member 28 and the second case member 33 are each made of a press-formed product of a metal plate such as an aluminum plate, and the first bent portion 30 and the second case member of the first case member 28. 33, the second bent portion 35 is formed by bending the edge of the first main surface portion 29 and the edge of the second main surface portion 34 substantially at right angles, and the first bent portion 31 and the second The two folded portions 36 are formed by folding the distal end portion of the first folded portion 30 and the distal end portion of the second folded portion 35 substantially in parallel with the first folded portion 30 and the second folded portion 35, respectively. ing.

  Further, the first main surface portion 29 of the first case member 28 and the second main surface portion 34 of the second case member 33 are each formed in a quadrangular shape (in this embodiment, a rectangular shape) corresponding to the outer shape of the frame member 24. The first folded portion 30 and the first folded portion 31 of the first case member 28 and the second folded portion 35 and the second folded portion 36 of the second case member 33 are respectively connected to the first main surface portion 29. And at least two of the edges of the second main surface portion 34 that are opposed to each other with the main surface portions 29 and 34 interposed therebetween.

  The first main surface portion 29 of the first case member 28 is formed in a rectangular shape slightly larger than the outer shape of the frame member 24, and the second main surface portion 34 of the second case member 33 is formed of the first main surface portion 29. It is formed in a rectangular shape that is about twice as thick as the thickness of the metal plate than the outer shape of the first main surface portion 29 of the case member 28.

  In addition, the first bent portion 30 of the first case member 28 and the second bent portion 30 of the second case member 33 are formed at substantially the same height, and the first folded portion of the first case member 28 is formed. The portion 31 is formed at a height smaller than the height of the first bent portion 30, and the second folded portion 36 of the second case member 33 has a height smaller than the height of the second bent portion 35. Is formed.

  The first bent portion 30 of the first case member 28 and the second bent portion 35 of the second case member 33 are at least the two of the first main surface portion 29 and the second main surface portion 34, respectively. The first folded portion 31, the second folded portion 36, the first folded portion 30, and the second folded portion 35 are formed over substantially the entire length of the edge portion, and the first case member 28 and the second folded portion 35 are formed. 2 in the longitudinal direction of the case member 33 (of the first case member 28 and the second case member 33, a pair of end surfaces disposed from the end surface on the side where the wiring film lead-out portion 25 is provided to the end surface facing it) And the first main surface portion 29 and the second main surface portion 34).

  In this embodiment, the first bent portion 30 of the first case member 28 is formed on the entire peripheral edge of the first main surface portion 29, of which the first main surface portion 29 extends in the longitudinal direction. A first bent portion 30 formed on the edge on one end side is connected to a first bent portion 30 for drawing the wiring film 9 and the lead wiring film 18 drawn out from the wiring film drawing portion 25 of the frame member 24 out of the case 27. The notch 32 is formed by notching a portion on the tip side with respect to a position between the substantially middle height of the first bent portion 30 and the base.

  Further, the second bent portion 35 of the second case member 33 is formed on an edge portion of substantially the entire circumference excluding a portion corresponding to the first cutout portion 32 on one end side in the longitudinal direction of the second main surface portion 34. A second notch 37 for drawing the wiring film 9 and the lead wiring film 18 out of the case 27 is formed at a portion corresponding to the first notch 32.

  The first cutout portion 32 and the second cutout portion 37 are overlapped with each other by the combination of the first case member 28 and the second case member 33 to form one wiring film lead-out port.

  In this embodiment, the first bent portion 31 formed at the two edge portions along the longitudinal direction of the rectangular shape among the edge portions of the first main surface portion 29 of the first case member 28 is provided. The first folded portion 31 is formed over the entire length of the region excluding both end portions, and two of the edges of the second main surface portion 34 of the second case member 33 are along the longitudinal direction of the rectangular shape. Each of the second bent portions 35 formed on one edge portion is formed with the second folded portion 36 over the entire length of the region excluding both end portions thereof.

  Further, the height from the inner surface of the first main surface portion 29 of the first case member 28 to the tip of the first bent portion 30 and the second bent portion from the inner surface of the second main surface portion 34 of the second case member 33. The height to the tip of 35 is set to be slightly smaller than the height of the frame member 24, and the first folded part 31 and the second folded part 36 are respectively the first folded part 30 and the first folded part 30. The second bent portion 30 is formed to have a height that is about ½ of the height of the second bent portion 30. And when the said 1st case member 28 and the said 2nd case member are combined, the part where the said 1st bending part 30 and the said 2nd bending part 30 overlap is said 1st folding | returning part 31 and The second folded portion 36 is formed to have the same height as the total height.

  Further, the first folded portion 31 of the first case member 28 is formed at a height that enters between the inner surface of the second main surface portion 34 of the second case member 33 and the front end surface of the second folded portion 36. ing.

  In the display device of this embodiment, the liquid crystal display panel 1 supported by the frame member 24 between the first main surface portion 29 of the first case member 28 and the second main surface portion 34 of the second case member 33. And the surface light source 11 are arranged so that the screen area 1a of the liquid crystal display panel 1 faces the display opening 38 provided in the second main surface portion 34 of the second case member 33, and the first case member 28 is disposed. And the second case member 33, the second bent portion 35 is fitted to the outside of the first bent portion 30 and the first bent portion 31, and the front end surface of the first bent portion 31 and the The case 27 is assembled and configured by abutting and combining the front end surface of the second folded portion 36. In this embodiment, the frame member 24 that supports the liquid crystal display panel 1 and the surface light source 11 is assembled with the first main surface portion 29 of the first case member 28 and the second case member by assembling the case 27. It is sandwiched between the second main surface portion 34 of 33 and fixed in the case 27.

  In the manufacture of this display device, the combination of the first case member 28 and the second case member 33 includes a frame member 24 that supports the liquid crystal display panel 1 and the surface light source 11 in the first case member 28. The second folded portion 36 is folded from the second bent portion 35 of the second case member 33 to the inner surface side after being disposed on the inner surface of the first main surface portion 29 of the first case member 28. A base portion (first main surface portion) of a first folded portion 31 in which a base portion (an end portion opposite to the second main surface portion 34 side) is folded from the first bent portion 30 of the first case member 28 to the outer surface side thereof. The second case member 33 is pressed in the direction of the first case member 33 in contact with the end portion on the opposite side to the 29th side.

  FIG. 5A shows a state in which the base portion of the second folded portion 36 of the second case member 33 is in contact with the base portion of the first folded portion 31 of the first case member 28. When the second case member 33 is pressed in the direction of the first case member 28, as shown in FIG. 5B, the outer side of the first folded portion 31 folded back to the outer surface side of the first folded portion 30. Further, the second folded portion 36 folded back to the inner surface side of the second bent portion 35 slips, and the second bent portion 35 tilts the first bent portion 30 toward the tip toward the inner surface. At the same time, the second bent portion 35 is elastically deformed by an elastic repulsive force from the first bent portion 30 such that the second bent portion 35 is inclined toward the outer surface toward the tip thereof. 35 fits outside the first bent portion 30 and the first folded portion 31.

  The second bent portion 35 is located outside the first bent portion 30 and the first turned portion 31, and the tip of the second turned portion 36 reaches a position near the tip of the first turned portion 31. Until the second main surface portion 34 of the second case member 33 comes into contact with the frame member 24, the first main surface portion 29 of the first case member 28 and the second main surface portion of the second case member 33. 34 are supported from the inner surface side by the frame member 24 at portions near the respective edges.

  Thereafter, the peripheral portion of the second main surface portion 34 of the second case member 33 is further pressed in the direction of the first case member 28, or the peripheral portion of the first main surface portion 29 of the first case member 28 is pressed. By pressing the portion in the direction of the second case member 33, the outer edge portion of the first main surface portion 29 and the second main surface portion 34 outside the portion supported by the frame member 24, The second folded portion 36 is elastically deformed until the tip of the second folded portion 31 passes the tip of the first folded portion 31, and then the pressing is released.

  In this way, when at least one edge of the first main surface portion 29 and the second main surface portion 34 is elastically deformed, the point when the tip of the second folded portion 36 passes over the tip of the first folded portion 31. Thus, the first bent portion 30 and the second bent portion 35 are elastically restored so that the second folded portion 36 enters the lower side of the second folded portion 31, and the front end surface of the first folded portion 31 2 and the front end surface of the second folded portion 36 are abutted as shown in FIG. 2, and the abutting state is held by the elastic return force of the main surface portions 29 and 34.

  The frame member 24 combines the first case member 28 and the second case member 33 without accommodating the frame member 24, and the front end surface of the first folded portion 31 and the second folded portion 36. A height slightly larger (about 0.2 to 0.5 mm) than the distance between the inner surfaces of the first main surface portion 29 and the second main surface portion 34 when they are brought into contact with each other. Therefore, after the first main surface portion 29 of the first case member 28 and the portion near the edge of the second main surface portion 34 of the second case member 33 are supported by the frame member 24 from the inner surface side, At least one edge of the first main surface portion 29 and the second main surface portion 34 is elastically deformed with a very slight pressing force until the tip of the second folded portion 36 passes over the tip of the first folded portion 31. The first folded portion 31 and the second fold A distal end surface of the to portion 36 can be aligned collision.

  The liquid crystal display panel 1 is supported by the frame member 24 so that the observation side surface is substantially flush with the upper surface of the frame member 24, and the second main surface portion 34 of the second case member 33 is Since the inner surface is brought into contact with the frame member 24 and supported from the inner surface side, the liquid crystal display panel 1 has a peripheral portion on the outer side of the screen area 1a on the observation side surface with the second main surface portion 34. The display opening 38 is pressed and fixed by the peripheral edge portion.

  The first bent portion 30 of the first case member 28 and the second bent portion 35 of the second case member 33 are formed at substantially the same height, and the first bent portion 31 of the first case member 28 is formed. Is formed at a height that enters between the inner surface of the second main surface portion 34 of the second case member 33 and the front end surface of the second folded portion 36, so that the first case member 28 and the second case member 28 are formed. As shown in FIG. 2, the case member 33 is disposed between the side edge portion of the first main surface portion 29 of the first case member 28 and the side edge portion of the second main surface portion 34 of the second case member 33. Three of the first bent portion 30, which includes a portion closer to the first main surface portion 29 than the tip of the first folded portion 31, a tip side of the second bent portion 36, and the second folded portion 35. The region of the plate structure, the tip side portion of the first bent portion 30 and the first folded portion 31 and the above They are combined to form a side portion and a region of the three single plate structure in which the two bent portions 35 than the tip of the second folded portion 36 consisting of the second main surface 34 side of the part.

  The case 27 is configured such that the first case member 28 and the second case member 33 are engaged with the second bent portion 35 outside the first bent portion 30 and the first folded portion 31, Since the tip end surface of the first folded portion 31 and the tip end surface of the second folded portion 36 are assembled to face each other, the second folded portion of the second case member 33 can be assembled without fastening with screws. The base portion of 36 is brought into contact with the base portion of the first folded portion 31 of the first case member 28 and the second case member 33 can be easily assembled by pressing the second case member 33 in the direction of the first case member 28. it can.

  In the case 27, the first bent surface 30 of the first case member 28 and the second bent portion 35 of the second case member 33 are respectively connected to the first main surface portion 29 and the second main surface portion 34. The first folded portion 31 and the second folded portion 36 are formed along the longitudinal direction of the first case member 28 and the second case member 33. Therefore, the length of the abutting portion between the tip surface of the first folded portion 31 and the tip surface of the second folded portion 36 is sufficiently secured, and the first case member 28 and the second case member 33 It is possible to reliably hold the combined state.

  Moreover, in the said Example, while forming the 1st bending part 30 of the said 1st case member 28 in the edge of the perimeter of the said 1st main surface part 29, the 2nd bending part of the said 2nd case member 33 35 is formed on an edge of substantially the entire circumference of the second main surface portion 34, and the side surface portion other than the wiring film outlet port formed by the first notch portion 32 and the second notch portion 37 is formed over the entire circumference. Since it is closed, it is possible to prevent foreign matters such as dust from entering the case 27 formed by combining the first case member 28 and the second case member 33.

  Further, the first case member 28 and the second case member 33 include a side edge portion of the first main surface portion 29 of the first case member 28 and a side edge portion of the second main surface portion 34 of the second case member 33. In between, the part of the 1st main part 29 side rather than the tip of the 1st return part 31 of the 1st bent part 30, the part of the tip side of the 2nd bent part 36, and the 2nd return part 35, a region of a three-plate structure, a portion on the distal end side of the first bent portion 30, and the distal end of the second folded portion 36 of the first folded portion 31 and the second folded portion 35. In order to combine and form a side surface portion having a three-plate structure region composed of a portion on the second main surface portion 34 side, the two side portions along the longitudinal direction of the case 27 have a height direction. In addition, a sufficient strength against a load or an impact from the side surface direction can be provided.

  In addition, the liquid crystal display panel 1 and the surface light source 11 which are the component parts are housed in the case 27 that can be easily assembled without fastening with screws, so that the display device is low in cost. Moreover, it can be easily manufactured.

  In the above embodiment, the frame member 24 provided with the display opening 38 in the second main surface portion 34 of the second case member 33 and supporting the liquid crystal display panel 1 and the surface light source 11 is used as the liquid crystal display panel. The first observation-side surface is arranged to face the second main surface portion 34 of the second case member 33, but conversely, the display opening is formed in the first main surface portion 29 of the first case member 28. 38, and the frame member 24 supporting the liquid crystal display panel 1 and the surface light source 11 is disposed so that the observation side surface of the liquid crystal display panel 1 faces the first main surface portion 29 of the first case member 28. You may arrange.

[Second Embodiment]
The display device of the second embodiment shown in FIGS. 6 and 7 includes a liquid crystal display panel 1, a surface light source 11, and a case 40 that accommodates the surface light source 11. The surface light source 11 includes: The liquid crystal display panel 1 is disposed outside the case 40 while being supported by the frame member 39 and accommodated in the case 40. Since the liquid crystal display panel 1 and the surface light source 11 are the same as those in the first embodiment, the description thereof will be omitted with the same reference numerals.

  The frame member 39 is made of a resin molded product formed in a rectangular shape, for example, a rectangular shape, surrounding the surface light source 11, and the frame member 39 is a protruding portion of the frame member 24 in the first embodiment. It is formed in the same shape as the lower part from the upper surface of 24a.

  The surface light source 11 is disposed in the frame member 39 with the illumination light emission surface (the outer surface on the observation side of the prism sheet 21) facing the upper surface side of the frame member 39. 15 is a recess formed on the lower surface of the frame member 39 excluding the outer peripheral portion of the peripheral portion of the double-sided pressure-sensitive adhesive tape 23 on which the reflecting plate 22 is pasted on the periphery of the light guide plate 12. The lead wiring film 18 (see FIG. 3) that is attached to the surface and connected to the wiring substrate 17 of the surface light source 11 is drawn out from the upper surface side of the frame member 39.

  The case 40 includes a first main surface portion 42 that forms one surface of the storage space of the surface light source 11 and a first main surface portion 42 that is formed by bending an edge of the first main surface portion 42 toward the storage space. A bent portion 43, and a first folded portion 44 formed by folding the distal end portion of the first bent portion 43 toward the first main surface portion 42 on the outer surface side of the first bent portion 43; A first case member 41 having a second main surface portion 48 that forms the other surface of the storage space, and a second main surface portion 48 that is formed by bending an edge of the second main surface portion 48 toward the storage space. A bent portion 49, and a second folded portion 50 formed by folding the distal end portion of the second bent portion 49 toward the second main surface portion 48 on the inner surface side of the second bent portion 49; A second case member 47 having the first main surface portion 42 of the first case member 41 and the second case portion. Either the second main surface 48 of 47, for example, made from the illumination opening 46 provided in the first main surface portion 42 of the first casing member 41.

  Each of the first case member 41 and the second case member 47 is made of a press-formed product of a metal plate such as an aluminum plate, and the first bent portion 43 of the first case member 41 and the second case member. 47, the second bent portion 49 is formed by bending the edge portion of the first main surface portion 42 and the edge portion of the second main surface portion 48 substantially at right angles. The two folded portions 50 are formed by folding the distal end portion of the first folded portion 43 and the distal end portion of the second folded portion 49 substantially in parallel with the first folded portion 43 and the second folded portion 49, respectively. ing.

  The first main surface portion 42 of the first case member 41 and the second main surface portion 48 of the second case member 47 are each formed in a quadrangular shape (rectangular shape in this embodiment) corresponding to the outer shape of the frame member 39. The first folded portion 43 and the first folded portion 44 of the first case member 41 and the second folded portion 49 and the second folded portion 50 of the second case member 47 are the first main surface portion 42. And at least two of the edges of the second main surface portion 48 that are opposed to each other across the main surface portions 42 and 48.

  The first main surface portion 42 of the first case member 41 is formed in a rectangular shape that is slightly larger than the outer shape of the frame member 39, and the second main surface portion 48 of the second case member 47 is the first main surface portion 48. The outer shape of the first main surface portion 42 of the case member 41 is formed in a rectangular shape that is approximately twice as large as the thickness of the metal plate.

  Further, the second bent portion 49 of the second case member 47 is formed at a height larger than the height of the first bent portion 43 of the first case member 41, and The first folded portion 44 is formed at a height smaller than the height of the first bent portion 43, and the second folded portion 50 of the second case member 47 is higher than the height of the second bent portion 49. It is formed at a small height.

  The first bent portion 43 of the first case member 41 and the second bent portion 49 of the second case member 47 are respectively at least the two of the first main surface portion 42 and the second main surface portion 48. The first folded portion 44, the second folded portion 50, the first folded portion 43, and the second folded portion 49 are formed over substantially the entire length of the edge portion. 2 Longitudinal direction of the case member 47 (of the first case member 41 and the second case member 47, the end surface facing the first notch portion 45 and the second notch portion 51, which will be described later) The first main surface portion 42 and the second main surface portion 48 are parallel to the pair of end surfaces and the first main surface portion 42 and the second main surface portion 48.

  In this embodiment, the first bent portion 43 of the first case member 41 is formed on the substantially entire peripheral edge of the first main surface portion 42, and the longitudinal direction of the first main surface portion 42 among them is formed. In order to draw out the lead wiring film 18 drawn out of the frame member 39 from the upper surface side of the frame member 39 to a part of the first bent portion 43 formed at the edge portion on one end side of the frame member 39. One notch 45 is formed.

  In addition, the second bent portion 49 of the second case member 47 is formed on an edge of the entire circumference of the second main surface portion 48, of which one end side in the longitudinal direction of the second main surface portion 48 is formed. The lead wiring film 18 and the wiring film 9 (see FIG. 3) connected to the driver mounting portion 3a of the liquid crystal display panel 1 are drawn out from the case 40 to the second bent portion 49 formed at the edge. A second notch 51 is formed by cutting away a portion closer to the tip than the position between the substantially middle height of the second bent portion 49 and the base.

  In this embodiment, the first bent portion 43 formed on the two edge portions along the longitudinal direction of the rectangular shape among the edge portions of the first main surface portion 42 of the first case member 41. The first folded portion 44 is formed over the entire length of the region excluding both end portions, and two of the edges of the second main surface portion 48 of the second case member 47 are along the longitudinal direction of the rectangular shape. Each of the second bent portions 49 formed at one edge portion is formed with the second folded portion 50 over the entire length of the region excluding both ends thereof.

  The height from the inner surface of the first main surface portion 42 of the first case member 41 to the tip of the first bent portion 43 is set slightly smaller than the height of the frame member 39, and the first folded portion 44 is The second bent portion 49 is formed from the inner surface of the second main surface portion 48 of the second case member 47 to a height of about 2/3 to 3/4 of the height of the first bent portion 43. The height up to the tip of the frame member 39 is greater than the height of the frame member 39, the height of the frame member 39, the thickness of the first main surface portion 42 of the first case member 41, and the back surface of the liquid crystal display panel 1. It is set slightly smaller than the value obtained by adding the thickness excluding the side polarizing plate 7, and the second folded portion 50 is formed at a height of about ½ of the height of the second bent portion 49. Yes.

  Further, the first folded portion 44 of the first case member 41 is formed at a height that enters between the inner surface of the second main surface portion 48 of the second case member 47 and the front end surface of the second folded portion 50. ing. In this case, the height of the second folded portion 49 is formed to be approximately the same as the total height of the first folded portion 44 and the second folded portion 50.

  The display device of the second embodiment is a surface light source supported by the frame member 39 between the first main surface portion 42 of the first case member 41 and the second main surface portion 48 of the second case member 47. 11 is arranged with the light emitting surface of the surface light source 11 opposed to the illumination opening 46 provided in the first main surface portion 42 of the first case member 41, and the first case member 41 and the second case The member 47 is fitted to the second bent portion 49 on the outside of the first bent portion 43 and the first bent portion 44, and the front end surface of the first bent portion 44 and the second bent portion 50 are fitted. The case 40 is assembled by abutting and combining the front end surfaces of the liquid crystal display panel 1 and the liquid crystal display panel 1 on the outer surface of the first main surface portion 42 of the first case member 41. 3) is provided in the first main surface portion 42 for illumination. It is constructed by arranging to face the 6. In this embodiment, the frame member 39 that supports the surface light source 11 is affixed to the inner surface of the first main surface portion 42 of the first case member 41 with a double-sided adhesive tape 53, and by assembling the case 40, The liquid crystal display panel 1 is sandwiched between the first main surface portion 42 of the first case member 41 and the first main surface portion 48 of the second case member 44 and fixed in the case 40. A double-sided adhesive tape 54 is attached to and fixed on the outer surface of the first main surface portion 42 of the one case member 41.

  In the manufacture of this display device, the combination of the first case member 41 and the second case member 47 is a combination of the frame member 39 supporting the surface light source 11 in the first case member 41 and the first case member 41. The base portion of the second folded portion 50 that is folded back from the second bent portion 49 of the second case member 47 to the inner surface side thereof after being disposed on the inner surface of the first main surface portion 42 by the double-sided adhesive tape 53. The first case member 41 is brought into contact with the base of the first folded portion 44 that is folded back from the first bent portion 43 to the outer surface side thereof, and the second case member 47 is moved in the direction of the first case member 41. This is done by pressing.

  The combination of the first case member 41 and the second case member 47 is substantially the same as the combination of the first case member 28 and the second case member 33 in the first embodiment. When the second case member 47 is pressed in the direction of the first case member 41 in a state where the base portion of the second folding portion 50 is in contact with the base portion of the first folding portion 44 of the first case member 41, The second folded portion 50 folded back on the inner surface side of the second folded portion 49 slides outside the first folded portion 44 folded on the outer surface side of the first bent portion 43, and the second bent portion. 49 elastically deforms the first bent portion 43 so as to incline toward the inner surface of the first bent portion 43, and at the same time, the second bent portion 49 is moved by the elastic repulsive force from the first bent portion 43. It is elastically deformed to incline toward the outer surface toward the tip. The second bent portion 49 is gradually fitted to the outside of the first bent portion 30 and the first folded portion 31.

  The second main surface portion 48 of the second case member 47 abuts on the frame member 39, and the first main surface portion 42 of the first case member 41 and the second main surface portion 48 of the second case member 47 are connected. After the portions near the respective edge portions are supported from the inner surface side by the frame member 39, the peripheral edge portion of the second main surface portion 48 of the second case member 47 is further pushed in the direction of the first case member 41. Or by pressing the peripheral edge of the first main surface portion 42 of the first case member 41 in the direction of the second case member 47, at least the first main surface portion 42 and the second main surface portion 48. The outer edge of the portion supported by one of the frame members 39 is elastically deformed until the tip of the second folded portion 50 passes the tip of the first folded portion 44, and then the pressing is released. .

  In this way, when at least one edge of the first main surface portion 42 and the second main surface portion 48 is elastically deformed, the point when the tip of the second folded portion 50 passes over the tip of the first folded portion 44. Thus, the first bent portion 43 and the second bent portion 49 are elastically restored so that the second folded portion 50 enters the upper side of the second folded portion 44, and the front end surface of the first folded portion 44 The front end surface of the second folded portion 50 is abutted as shown in FIG. 7, and the abutting state is held by the elastic return force of the main surface portions 42 and 48.

  The frame member 39 is a combination of the first case member 41 and the second case member 47 without accommodating the frame member 39, and the front end surface of the first folded portion 44 and the second folded portion 50. The height of the first main surface portion 42 and the second main surface portion 48 is slightly (approximately 0.2 to 0.5 mm) larger than the distance between the inner surfaces of the first main surface portion 42 and the second main surface portion 48. Therefore, after the first main surface portion 42 of the first case member 41 and the portion near the edge of the second main surface portion 48 of the second case member 47 are supported from the inner surface side by the frame member 39, At least one edge of the first main surface portion 42 and the second main surface portion 48 is elastically deformed with a slight pressing force until the tip of the second turned-up portion 50 passes over the tip of the first turned-up portion 44. The tip end surface of the first folded portion 44 and the second fold A distal end surface of the to portion 50 can be aligned collision.

  In this embodiment, the second bent portion 49 of the second case member 47 is formed at a height greater than the height of the first bent portion 43 of the first case member 41. The first case member 41 and the second case member 47 are formed such that the distal end side of the second bent portion 49 and the base portion side of the second folded portion 50 are disposed on the first main surface portion 42 of the first case member 41. It protrudes in the outer surface direction, and between the side edge of the first main surface portion 42 and the side edge of the second main surface portion 48 of the second case member 47, the first bent portion 43 and the first folded portion. A side surface portion of a three-plate structure including the portion 44 and the portion of the second bent portion 49 that is closer to the second main surface portion 48 than the tip of the second folded portion 50 is formed and combined.

  Further, in this embodiment, the illumination opening 46 is provided in the first main surface portion 42 of the first case member 41, and the second bent portion 49 of the second case member 47 is provided on the first case member 41. Since the first case member 41 and the second case member 47 are formed at a height larger than the height of the first bent portion 43, the first case member 41 and the second case member 47 are connected to the distal end side of the second bent portion 49 and the second folded portion. The liquid crystal disposed on the outer surface of the first main surface portion 42 by combining the portions on the base side of the portion 50 so as to protrude in the outer surface direction of the first main surface portion 42 of the first case member 41. A guard portion 52 that protects the display panel 1 from the side is formed.

  After the case 40 is assembled by combining the first case member 41 and the second case member 47, the liquid crystal display panel 1 is placed on the outer surface of the first main surface portion 42 of the first case member 41. With the surface on the back side facing the first main surface portion 42, the screen area 1a facing the illumination opening 46, and the peripheral portion outside the screen area 1a on the surface on the back surface side. The display device is completed by pasting with the double-sided adhesive tape 54.

  The case 40 is configured such that the first case member 41 and the second case member 47 are engaged with the second bent portion 49 outside the first bent portion 43 and the first folded portion 44, and Since the front end surface of the first folded portion 44 and the front end surface of the second folded portion 50 are assembled to face each other, the second folded portion of the second case member 47 can be assembled without fastening with screws. It is possible to simply assemble the second case member 47 by pressing the second case member 47 in the direction of the first case member 41 by bringing the 50 base portions into contact with the base portion of the first folded portion 44 of the first case member 41. it can.

  The case 40 includes a first bent surface 43 and a second bent surface 48 of the first bent portion 43 of the first case member 41 and the second bent portion 49 of the second case member 47, respectively. The first folded portion 44 and the second folded portion 50 are formed along the longitudinal direction of the first case member 41 and the second case member 47. Therefore, the length of the abutting portion between the tip surface of the first folded portion 44 and the tip surface of the second folded portion 50 is sufficiently secured, and the first case member 41 and the second case member 47 are It is possible to reliably hold the combined state.

  Further, in the above embodiment, the first bent portion 43 of the first case member 41 is formed on the substantially entire peripheral edge of the first main surface portion 42, and the second bent portion of the second case member 47 is formed. The portion 49 is formed on the entire peripheral edge of the second main surface portion 48, and the side surface portion other than the wiring film lead-out port formed by the first cutout portion 45 and the second cutout portion 51 is formed over the entire circumference. Since it is closed, it is possible to prevent foreign matters such as dust from entering the case 40 configured by combining the first case member 41 and the second case member 47.

  Further, the first case member 41 and the second case member 47 include a side edge portion of the first main surface portion 42 of the first case member 41 and a side edge portion of the second main surface portion 48 of the second case member 47. Between the first bent portion 43, the first folded portion 44, and the second bent portion 49, the second principal surface portion 48 side from the tip of the second folded portion 50. Since the side portions of the plate structure are formed and combined, the two side portions along the longitudinal direction of the case 40 should have sufficient strength against loads and impacts from the height direction and the side direction. Can do.

  In the display device of the second embodiment, the surface light source 11 out of the liquid crystal display panel 1 and the surface light source 11 which are the component parts can be easily assembled without fastening with screws. 40, and the liquid crystal display panel 1 is disposed on the outer surface of the first main surface portion 42 of the first case member 41 of the case 40. Therefore, the liquid crystal display panel 1 can be easily manufactured at low cost. .

  In addition, in the display device, the illumination opening 46 is provided in the first main surface portion 42 of the first case member 41, and the second bent portion 49 of the second case member 47 is provided in the first case member 41. By forming the first case member 41 and the second case member 47 so as to be higher than the height of the first bent portion 43, the front end side of the second bent portion 49 and the second folded portion are arranged. Since the base side portion of the portion 50 protrudes in the direction of the outer surface of the first main surface portion 42 of the first case member 41, the first main surface portion 42 is formed by the guard portion 52 formed by the protruding portion. It is possible to protect the liquid crystal display panel 1 disposed on the outer surface from the side.

  The guard portion 52 is not always necessary. When the guard portion 52 is omitted, the second bent portion 49 of the second case member 47 is replaced with the first bent portion 43 of the first case member 41. And the first folded portion 44 of the first case member 41 and the second folded portion 50 of the second case member 47 are respectively formed in the first folded portion 43 and the second folded portion 50. The first case member 41 and the second case member 47 are formed to have a height smaller than the height of the bent portion 49, and the side edge portion of the first main surface portion 42 of the first case member 41 and the first case member 41. 2 Between the side edge of the second main surface portion 48 of the case member 47 and the portion of the first bent portion 43 closer to the first main surface portion 42 and the second end than the tip of the first folded portion 44. A triple plate composed of a portion on the front end side of the bent portion 49 and the second folded portion 50 The second main surface portion 48 side of the structure region, the tip side of the first bent portion 43 and the tips of the second folded portion 50 of the first folded portion 44 and the second folded portion 49 A side surface portion having a three-plate structure region composed of the above portions may be formed and combined.

  Further, in the display device of the second embodiment, the illumination opening 46 is provided in the second main surface portion 42 of the first case member 41. Conversely, the second main surface portion of the second case member 47 is provided. The surface light source 11 is provided in a case 40 in which the first case member 41 and the second case member 47 are combined with the frame member 39 provided with the illumination opening 46 in 48 and supporting the surface light source 11. The light emitting surface of the second case member 47 is disposed so as to face the illumination opening 46 provided in the second main surface portion 48 of the second case member 47, and the light emitting surface is disposed on the outer surface of the first main surface portion 48 of the second case member 47. A liquid crystal display panel 1 may be disposed.

[Third embodiment]
The display device of the third embodiment shown in FIGS. 8 to 10 includes a liquid crystal display panel 1, a surface light source 11, and a case 40a for housing the liquid crystal display panel 1 and the surface light source 11. . In the third embodiment, components corresponding to those in the second embodiment are given the same reference numerals in the drawings, and descriptions of the same components are omitted.

  In the third embodiment, the case 40 a includes a first case member 41 and a second case member 47 for forming a surface light source accommodation space, and the first main surface portion 42 of the first case member 41. The 3rd case member 55 for forming the 2nd accommodation space is provided in the outer surface side.

  The first case member 41 of these case members 41, 47, and 55 is the same as the first case member of the second embodiment, and the first main surface portion 42 of the first case member 41 is illuminated. An opening 46 is provided.

  Further, the second case member 47 is substantially the same as the second case member of the second embodiment, and is further formed at two edges along the longitudinal direction of the second main surface portion 48. Two end portions of the second bent portion 49, that is, portions on both end sides in the longitudinal direction of the second folded portion 50 formed by folding the tip end portion of the second bent portion 49 to the inner surface side of the second bent portion 49. In addition, the tip portion of the second bent portion 43 is formed by folding the tip end portion of the second bent portion 43 toward the outer surface of the second bent portion 43 in the direction of the second main surface portion and substantially parallel to the second bent portion 49. The folded portion 50a is formed in a shape provided.

  On the other hand, the third case member 55 for forming the second housing space, that is, the display panel housing space, on the outer surface side of the first main surface portion 42 of the first case member 41 includes the first case member 41 and the second case member 55. Similarly to the case member 47, the third main surface portion 56 is made of a press-formed product of a metal plate such as an aluminum plate, and forms a surface opposite to the first case member 41 side of the display panel housing space. A third bent portion 57 formed by bending an edge portion of the third main surface portion 56 substantially perpendicularly to the display panel housing space side, and a tip portion of the third bent portion 57 are connected to the third bent portion 57. There is a third folded portion 58 formed on the inner surface side of the folded portion 57 so as to be folded in substantially parallel to the second folded portion 49 in the direction of the third major surface portion 56, and the third major surface portion 56. The screen area 1a of the liquid crystal display panel 1 (see FIG. 3). Display opening 60 corresponding to that is formed in a shape provided.

  The third main surface portion 56 of the third case member 55 is formed in a rectangular shape that is about twice as large as the thickness of the metal plate than the outer shape of the second main surface portion 48 of the second case member 47. The third bent portion 57 is formed at substantially the same height as the second bent portion 49 of the second case member 47. The height of the first bent portion 43 of the first case member 41 and the height of the second bent portion 49 of the second case member 47 are the same as in the second embodiment.

  In this embodiment, the third bent portion 57 of the third case member 55 corresponds to the second notch portion 51 provided in the second case member on one end side in the longitudinal direction of the third main surface portion 56. The wiring film 9 connected to the driver mounting portion 3a of the liquid crystal display panel 1 and the surface light source 11 are formed on the edge of substantially the entire circumference excluding the portion, and in the portion corresponding to the second notch 51. A third cutout 59 is formed for drawing out the lead wiring film 18 (see FIG. 3) connected to the wiring board 17 to the outside of the case 40a.

  The second cutout portion 51 provided in the second case member and the third cutout portion 59 provided in the third case member 55 are formed between the second case member 47 and the third case member 55. The wiring layers overlap with each other to form one wiring film outlet.

  And the 3rd folding | turning part 58 of the said 3rd case member 55 is each over the substantially full length in the 3rd bending part 57 each formed in the two edge parts along the longitudinal direction of the said 3rd main surface part 56, respectively. Is formed.

  Further, the reverse folded portion 50a of the second case member 47 is formed at a height smaller than the height of the second bent portion 49, and the folded portion 58 of the third case member 55 is formed by the third bent portion. The reverse folded portion 50 a of the second case member 47 is formed so as to have a height smaller than the height of the portion 57, and the inner surface of the third main surface portion 56 of the third case member 55 and the third folded portion. It is formed at a height that enters between the front end surface of the portion 58.

  In the display device of the third embodiment, the frame member 39 is disposed in the first housing space between the first main surface portion 42 of the first case member 41 and the second main surface portion 48 of the second case member 47. The supported surface light source 11 is disposed with its light emitting surface facing the illumination opening 46 provided in the first main surface portion 42 of the first case member 41, and the first case member 41 and the second case light source 11 are arranged. The case member 47 is combined in the same manner as in the second embodiment, and the second accommodation space between the first main surface portion 42 of the first case member 41 and the third main surface portion 56 of the third case member 55 is combined. The liquid crystal display panel 1 is arranged with its screen area 1a facing the illumination opening 46, and the third case member 55 is provided with a display opening 60 provided in the third main surface portion 56 thereof. For the screen area 1a of the liquid crystal display panel 1 The third case member 55 is placed on the outside of the second bent portion 49 and the reverse folded portion 50a of the second case member 47, and the reverse folded portion is arranged. The case 40a is assembled by abutting and combining the tip surface of 50a and the tip surface of the third folded portion 58.

  The height of the third bent portion 57 of the third case member 55 and the height of the third folded portion 58 are set to the outside of the second bent portion 49 and the reverse folded portion 50a of the second case member 47. When the distal end of the third folded portion 58 comes close to the distal end of the reverse folded portion 50a with the fitting of the third folded portion 57, the inner surface of the third main surface portion 56 of the third case member 55 is The liquid crystal display panel 1 is in contact with the observation side surface (the outer surface of the observation side polarizing plate 6 on the observation side), and the distal end surface of the reverse folded portion 50a and the distal end surface of the third folded portion 58 are brought into contact with each other. Sometimes, the third main surface portion 56 of the third case member 55 is set to be in close contact with the observation side surface of the liquid crystal display panel 1 with an appropriate contact pressure.

  In the manufacture of the display device, the combination of the second case member 47 and the third case member 55 is a combination of the first case member 41 and the second case member 47, and the first case member 41 has the first case. After the liquid crystal display panel 1 is disposed on the outer surface of the main surface portion 42 with the double-sided adhesive tape 53, the third folded portion folded from the third bent portion 57 of the third case member 55 to the inner surface side. The base part of 58 is brought into contact with the base part of the reverse folded part 50a which is folded from the second bent part 49 of the second case member 47 to the outer surface side thereof, so that the third case member 55 is brought into contact with the second case member 47. By pressing in the direction of.

  The combination of the second case member 47 and the third case member 55 is substantially the same as the combination of the first case member 28 and the second case member 33 in the first embodiment. When the third case member 55 is pressed in the direction of the second case member 47 in a state where the base portion of the third folding portion 58 is in contact with the base portion of the reverse folding portion 50 a of the second case member 47, The third folded portion 58 folded back to the inner surface side of the third folded portion 57 slides outside the reverse folded portion 50a folded to the outer surface side of the second folded portion 49, and the third folded portion 57 is The second bent portion 49 is elastically deformed so as to be inclined toward the inner surface toward the tip, and at the same time, the third bent portion 57 is brought to the tip by the elastic repulsive force from the second bent portion 49. It is elastically deformed so that it is inclined toward the outer surface. The third bent portion 57 is gradually fitted to the outside of the second bent part 49 and the reverse folded portion 50a.

  When the tip of the third folded portion 58 comes close to the tip of the reverse folded portion 50a, the third main surface portion 56 of the third case member 55 comes into contact with the observation side surface of the liquid crystal display panel 1, A portion near the edge of the third main surface portion 56 is supported by the first main surface portion 42 of the first case member 41 via the liquid crystal display panel 1.

  Thereafter, the peripheral portion of the third main surface portion 56 of the third case member 55 is further pressed in the direction of the second case member 47, or the peripheral portion of the second main surface portion 48 of the second case member 47 is pressed. By pressing the portion in the direction of the third case member 55, at least one of the frame member 39 or the liquid crystal display panel 1 of the second main surface portion 48 and the third main surface portion 56 is supported. The outer edge is elastically deformed until the tip of the third folded portion 58 passes the tip of the reverse folded portion 50a, and then the pressing is released.

  As described above, when at least one edge of the second main surface portion 48 and the third main surface portion 56 is elastically deformed, when the tip of the third turn-up portion 58 passes over the tip of the reverse turn-up portion 50a. The second bent portion 49 and the third bent portion 57 are elastically restored so that the third folded portion 58 enters the lower side of the reverse folded portion 50a, and the distal end surface of the reverse folded portion 50a and the first The front end surface of the three folded portion 58 is abutted as shown in FIGS. 9 and 10, and the abutting state is held by the elastic return force of the main surface portions 48 and 56.

  In this embodiment, the second bent portion 49 of the second case member 47 is formed to have a height greater than the height of the first bent portion 43 of the first case member 41, and the third case. Since the third bent portion 57 of the member 55 is formed at substantially the same height as the second bent portion 49 of the second case member 47, the first case member 41 and the second case member 47 and the third case member 55 are disposed between the side edge portion of the first main surface portion 42 of the first case member 41 and the side edge portion of the third main surface portion 56 of the third case member 55. A portion on the front end side of the first bent portion 43 and the second main surface portion 48 side from the front ends of the second turned portion 50 and the reverse turned portion 50a of the first turned portion 44 and the second bent portion 49. A five-piece plate comprising a portion, a tip side portion of the third bent portion 57 and the third folded portion 58 Than the front end of the third bent portion 58 of the second bent portion 49 and the second bent portion 50 or the reverse bent portion 50a and the third bent portion 57. A side surface portion having a three-plate structure region composed of a portion on the third main surface portion 56 side is formed and combined.

  The case 40a is formed by fitting the first case member 41 and the second case member 47 with the second bent portion 49 outside the first bent portion 43 and the first folded portion 44, and The front end surface of the first folded portion 44 and the front end surface of the second folded portion 50 are abutted and combined, and the second case member 47 and the third case member 55 are combined with the second bent portion 49. And the third folded portion 57 is fitted to the outside of the reverse folded portion 50a, and the tip end surface of the reverse folded portion 50a and the tip end surface of the third folded portion 58 are combined to be assembled. The base part of the second folded part 50 of the second case member 47 is brought into contact with the base part of the first folded part 44 of the first case member 41 without fastening with screws. Press in the direction of the first case member 41 Further, the base of the third folded portion 58 of the third case member 55 is brought into contact with the base of the reverse folded portion 50a of the second case member 47 so that the third case member 55 is directed to the first case member 47. Easy to assemble by simply pressing the

  The first case member 41, the second case member 47, and the third case member 55 include a side edge portion of the first main surface portion 42 of the first case member 41 and a third portion of the third case member 55. Between the side edge portion of the main surface portion 56, the tip side portion of the first bent portion 43 and the second turned portion 50 and the reverse turned portion of the first turned portion 44 and the second bent portion 49. A region of a five-plate structure consisting of a portion closer to the second main surface portion 48 than the tip of the portion 50a, a tip side of the third bent portion 57 and the third folded portion 58, and the second folding The portion on the tip side of the bent portion 49 and the portion on the third main surface portion 56 side of the second folded portion 50 or the reverse folded portion 50a and the tip of the third folded portion 58 of the third folded portion 57. To form a side part having a three-plate structure region consisting of The two side portions along the longitudinal direction of the over scan 40a, it is possible to have a sufficient strength against a load or impact from the height direction and side direction.

  In the display device of the third embodiment, the liquid crystal display panel 1 and the surface light source 11 which are the component parts are accommodated in the case 40a which can be easily assembled without fastening with screws. Therefore, it can be easily manufactured at low cost.

[Other embodiments]
In the display devices of the first to third embodiments, the liquid crystal display panel 1 and the surface light source 11 are accommodated in the cases 27, 40, 40a. The present invention is, for example, an organic EL (electroluminescence). ) It can also be applied to a display device in which a self-luminous display panel such as a display panel is housed in a case.

  Further, the case of the present invention is not limited to a display device, and can be applied to a case that accommodates components such as electronic components and optical components that constitute devices and devices other than the display device.

  DESCRIPTION OF SYMBOLS 1 ... Liquid crystal display panel, 1a ... Screen area, 11 ... Surface light source, 24, 39 ... Frame member, 27, 40, 40a ... Case, 28, 41 ... 1st case member, 29, 42 ... 1st main surface part, 30 , 43 ... 1st bent part, 31, 44 ... 1st folded part, 33, 47 ... 2nd case member, 34, 48 ... 2nd main surface part, 35, 49 ... 2nd bent part, 36, 50 ... First folding portion, 50a ... Reverse folding portion, 55 ... Third case member, 56 ... Third main surface portion, 57 ... Third folding portion, 58 ... Third folding portion, 38, 60 ... Display opening, 46 ... Opening for illumination, 52 ... guard part

Claims (23)

A case for housing parts,
A first main surface portion that forms one surface of the housing space for the component; a first bent portion formed by bending an edge of the first main surface portion toward the housing space; and the first fold. A first case member having a first folded portion formed by folding a distal end portion of a curved portion toward an outer surface side of the first folded portion toward the first main surface portion;
A second main surface portion forming the other surface of the accommodation space; a second bent portion formed by bending an edge of the second main surface portion toward the accommodation space; and the second bent portion. A second case member having a second folded portion formed by folding the tip of the second folded portion toward the inner surface of the second bent portion toward the second main surface portion,
The first case member and the second case member fit the second bent portion outside the first bent portion and the first folded portion, and the front end surface of the first folded portion and the A case characterized by being combined with the front end surface of the second folded portion.   The second folded portion of the second case member is configured such that the first folded portion of the second folded portion folded from the second folded portion is folded back from the first folded portion of the first case member. The first bent portion by contacting the second case member and the first case member so that the second main surface portion and the first main surface portion are brought close to each other by being brought into contact with a base portion of the portion. Or the second bent portion of the second case member by elastically deforming the second bent portion so as to tilt toward the outer surface. When the tip of the second folded portion passes over the tip of the first folded portion, the first folded portion and the first folded portion are fitted to the outside of the first folded portion and the first folded portion. The second bent portion is elastically restored and the tip surface of the first folded portion and the second folded portion Case according to claim 1, characterized in that the end face is butted.   Between the first main surface portion of the first case member and the second main surface portion of the second case member, a frame member that supports components arranged in the accommodation space is disposed, and the first main surface portion and the first main surface portion The second main surface portion is supported from the inner surface side by the frame member at a portion near each edge, and the front end surface of the first folded portion and the front end surface of the second folded portion are the first main surface portion and the The second main surface portion is abutted by elastically deforming at least one of the edge portions outside the portion supported by the frame member until the tip of the second folded portion passes the tip of the first folded portion, The case according to claim 2, wherein the case is held in the abutting state by an elastic restoring force of the main surface portion.   The first bent portion of the first case member and the second bent portion of the second case member respectively bend the edge portion of the first main surface portion and the edge portion of the second main surface portion at substantially right angles. The first folded portion and the second folded portion are formed with the first folded portion and the second folded portion, respectively, as the first folded portion and the second folded portion. The case according to any one of claims 1 to 3, wherein the case is formed by being folded back substantially in parallel.   The first folded part of the first case member is formed at a height smaller than the height of the first folded part, and the second folded part of the second case member is made higher than the height of the second folded part. The case according to claim 1, wherein the case is formed at a small height.   The first folded portion of the first case member is formed at a height that enters between the inner surface of the second main surface portion of the second case member and the tip surface of the second folded portion. The case as described in any one of Claims 1-5.   The first main surface portion of the first case member and the second main surface portion of the second case member are each formed in a quadrangular shape, the first bent portion and the first folded portion of the first case member, and the second The second bent portion and the second folded portion of the case member correspond to at least two of the edge portions of the first main surface portion and the second main surface portion facing each other across the main surface portion. The case according to claim 1, wherein the case is formed.   The first bent portion of the first case member and the second bent portion of the second case member are formed over substantially the entire length of at least the two edge portions of the first main surface portion and the second main surface portion, respectively. The case according to claim 7, wherein the first folded portion and the second folded portion are formed along a longitudinal direction of the first folded portion and the second folded portion. .   The first bent portion of the first case member and the second bent portion of the second case member are formed at substantially the same height, and the first case member and the second case member are Between the side edge part of the 1st main surface part of 1 case member, and the side edge part of the 2nd main surface part of the said 2nd case member, the said 1st folding part is more than the front-end | tip of the said 1st folding | turning part. A region of a three-plate structure consisting of a part on one main surface side, a part on the tip side of the second bent part and the second folded part, a part on the tip side of the first bent part and the first part Forming a side surface portion having a folded portion and a three-plate structure region including a portion on the second main surface portion side with respect to a tip of the second folded portion of the second bent portion; The case according to any one of claims 1 to 8, which is characterized.   The second bent portion of the second case member is formed at a height greater than the height of the first bent portion of the first case member, and the first case member and the second case member are A portion on the distal end side of the second bent portion and a base portion side of the second folded portion is protruded in the outer surface direction of the first main surface portion of the first case member, and the side edge portion of the first main surface portion and the first Between the side edge of the second main surface portion of the two case members, the first main surface portion side of the first bent portion and the first bent portion and the second bent portion of the second bent portion. The case according to any one of claims 1 to 8, wherein the case is combined by forming a side surface portion of a three-plate structure consisting of the above-mentioned parts. A third case member for forming a second accommodation space on the outer surface side of the first main surface portion of the first case member;
The third case member has a third main surface portion forming a surface opposite to the first case member side of the second storage space, and an edge portion of the third main surface portion on the second storage space side. A third bent portion formed by bending, and a third bent portion formed by folding the tip portion of the third bent portion toward the inner surface of the third bent portion toward the third main surface portion. Having three folded portions,
The second case member has a reverse folded portion formed by folding the distal end portion of the second bent portion toward the second main surface portion on the outer surface side of the second bent portion. ,
The second case member and the third case member fit the third bent portion outside the second bent portion and the reverse folded portion, and the tip end surface of the reverse folded portion and the third The case according to any one of claims 1 to 8, wherein the case is combined with a front end surface of the folded portion.   The third folded part of the third case member is the reverse folded part of the base part of the third folded part folded from the third folded part and folded from the second folded part of the second case member. The second bent portion is pressed by pressing the third case member and the second case member so that the third main surface portion and the second main surface portion are brought close to each other. The third bent portion of the third case member is elastically deformed so as to be inclined toward the inner surface toward the tip, or is elastically deformed so as to be inclined toward the outer surface toward the tip. Is fitted to the outside of the second folded part and the reverse folded part, and the second folded part and the third folded part when the tip of the third folded part passes over the tip of the reverse folded part. The bent portion is elastically restored and the tip surface of the reverse folded portion and the tip surface of the third folded portion Case according to claim 11, characterized in that it is butted.   The third case member is supported by the first main surface portion of the first case member at a portion near the edge portion of the third main surface portion via a component housed in the second housing space, and the reverse The distal end surface of the folded portion and the distal end surface of the third folded portion are edge portions outside the portion of the third main surface portion supported by the component, and the distal end of the third folded portion is the distal end of the reverse folded portion. The case according to claim 12, which is abutted by being elastically deformed until passing, and held in the abutted state by an elastic restoring force of the third main surface portion.   The reverse folded portion of the second case member is formed at a height smaller than the height of the second folded portion, and the third folded portion of the third case member is larger than the height of the third folded portion. The case according to claim 11, wherein the case is formed at a small height.   The reverse folded portion of the second case member is formed at a height that enters between the inner surface of the third main surface portion of the third case member and the tip surface of the third folded portion. Item 15. The case according to any one of Items 11-14.   The first bent portion of the first case member is formed at a height smaller than the height of the second bent portion of the second case member, and the third bent portion of the third case member is The first case member, the second case member, and the third case member are formed to be substantially the same height as the second bent portion of the two case members. Between the side edge portion of the surface portion and the side edge portion of the third main surface portion of the third case member, the tip side portion of the first bent portion and the first folded portion and the second bent portion An area of a five-plate structure consisting of a part on the second main surface part side from a tip of the second folded part and the reverse folded part, a part on the tip side of the third folded part, and the third folded part A portion of the second folded portion on the tip side and the second folded portion or the reverse folded portion and the third folded portion of the third folded portion. The side surface part which has the area | region of the three-plate structure which consists of a part of the said 3rd main surface part side rather than an end is formed, and it combines, It is any one of Claims 11-15 characterized by the above-mentioned. Case. A liquid crystal display panel that displays an image by controlling transmission of light, a surface light source that is disposed behind the liquid crystal display panel and emits illumination light toward the liquid crystal display panel, the liquid crystal display panel, and the surface light source In a display device comprising a case for housing
The case is
A first main surface portion that forms one surface of an accommodation space for the liquid crystal display panel and the surface light source, and a first bent portion that is formed by bending an edge of the first main surface portion toward the accommodation space. And a first case member having a first folded portion formed by folding the front end portion of the first bent portion toward the first main surface portion on the outer surface side of the first bent portion;
A second main surface portion forming the other surface of the accommodation space; a second bent portion formed by bending an edge of the second main surface portion toward the accommodation space; and the second bent portion. A second case member having a second folded portion formed by folding the tip of the second folded portion toward the inner surface of the second bent portion toward the second main surface portion;
A display opening provided on either one of the first main surface portion of the first case member and the second main surface portion of the second case member,
Between the first main surface portion of the first case member and the second main surface portion of the second case member, the liquid crystal display panel and the surface light source cause the screen area of the liquid crystal display panel to face the display opening. Arranged,
The first case member and the second case member fit the second bent portion outside the first bent portion and the first folded portion, and the front end surface of the first folded portion and the A display device characterized by being combined with the front end surface of the second folded portion.   The liquid crystal display panel and the surface light source are supported by a frame member, and the front end surface of the first folded portion of the first case member and the front end surface of the second folded portion of the second case member are the first main part. The portion near the edge of the surface portion and the second main surface portion is supported from the inner surface side by the frame member, and more than the portion supported by at least one of the first main surface portion and the second main surface portion. The outer edge is abutted by being elastically deformed until the tip of the second folded portion passes the tip of the first folded portion, and is held in the butted state by the elastic return force of the main surface portion. The display device according to claim 17, characterized in that: A liquid crystal display panel that controls transmission of light and displays an image; a surface light source that is disposed behind the liquid crystal display panel and that emits illumination light toward the liquid crystal display panel; and a case that houses the surface light source In a display device comprising:
The case is
A first main surface portion that forms one surface of the surface light source accommodation space; a first bent portion formed by bending an edge of the first main surface portion toward the surface light source accommodation space; and the first A first case member having a first folded portion formed by folding a distal end portion of the bent portion toward the outer surface of the first bent portion toward the first main surface portion;
A second main surface portion that forms the other surface of the surface light source accommodating space, a second bent portion formed by bending an edge of the second main surface portion toward the surface light source accommodating space, and the first A second case member having a second folded portion formed by folding the front end portion of the second folded portion toward the inner surface side of the second bent portion toward the second main surface portion;
An opening for illumination provided in any one of the first main surface portion of the first case member and the second main surface portion of the second case member,
Between the first main surface portion of the first case member and the second main surface portion of the second case member, the surface light source is disposed with its light exit surface facing the illumination opening,
The first case member and the second case member fit the second bent portion outside the first bent portion and the first folded portion, and the front end surface of the first folded portion and the While being combined with the front end surface of the second folded portion,
The liquid crystal display panel is disposed on the outer surface of the main surface portion of the first main surface portion and the second main surface portion where the illumination opening is provided, with the screen area facing the illumination opening. A display device.   The surface light source is supported by a frame member, and the tip surface of the first folded portion of the first case member and the tip surface of the second folded portion of the second case member are the first main surface portion and the second surface portion. A portion near the edge of the main surface portion is supported from the inner surface side by the frame member, and an outer edge portion than the portion supported by the frame member of at least one of the first main surface portion and the second main surface portion. The end of the second folded portion is abutted by elastic deformation until it passes over the tip of the first folded portion, and is held in the abutted state by an elastic return force of the main surface portion. 19. The display device according to 19.   The second bent portion of the second case member is formed at a height greater than the height of the first bent portion of the first case member, and the illumination opening is a first main surface portion of the first case member. The first case member and the second case member are provided on a first main surface portion of the first case member with a portion on a distal end side of the second bent portion and a base portion side of the second folded portion. A guard portion for protecting the liquid crystal display panel disposed on the outer surface of the first main surface portion from the side is formed by the protruding portion being combined in a projecting direction. Item 21. The display device according to item 19 or 20. A liquid crystal display panel that displays an image by controlling transmission of light, a surface light source that is disposed behind the liquid crystal display panel and emits illumination light toward the liquid crystal display panel, the liquid crystal display panel, and the surface light source In a display device comprising a case for housing
The case is
A first main surface portion that forms one surface of the surface light source accommodation space; a first bent portion formed by bending an edge of the first main surface portion toward the surface light source accommodation space; and the first A first folded portion formed by folding the distal end portion of the bent portion toward the outer surface of the first bent portion in the direction of the first main surface portion, and an opening for illumination in the first main surface portion A first case member provided with:
A second main surface portion that forms the other surface of the surface light source accommodating space, a second bent portion formed by bending an edge of the second main surface portion toward the surface light source accommodating space, and the first A second folded portion formed by folding the distal end portion of the second folded portion toward the inner surface side of the second folded portion toward the second main surface portion, and the distal end portion of the second folded portion A second case member having a reverse folded portion formed by folding toward the direction of the second main surface portion on the outer surface side of the second bent portion;
A third main surface portion forming a surface opposite to the first case member side of the display panel housing space for forming a display panel housing space on the outer surface side of the first main surface portion of the first case member; A third bent portion formed by bending an edge portion of the third main surface portion toward the display panel housing space side, and a tip end portion of the third bent portion as an inner surface side of the third bent portion. And a third case member having a third folded portion formed by folding in the direction of the third principal surface portion, and a display opening provided in the third principal surface portion,
Between the first main surface portion of the first case member and the second main surface portion of the second case member, the surface light source is disposed with its light exit surface facing the illumination opening,
The first case member and the second case member fit the second bent portion outside the first bent portion and the first folded portion, and the front end surface of the first folded portion and the While being combined with the front end surface of the second folded portion,
On the outer surface of the first main surface portion, the liquid crystal display panel is disposed with its screen area facing the illumination opening,
The third case member is disposed with the display opening provided in the third main surface portion facing the screen area of the liquid crystal display panel, and the third case member and the second case member are The third bent portion is fitted to the outside of the second bent portion and the reverse folded portion, and the tip surface of the reverse folded portion and the tip surface of the third folded portion are abutted and combined. A display device. The surface light source is supported by a frame member, and the tip surface of the first folded portion of the first case member and the tip surface of the second folded portion of the second case member are the first main surface portion and the second surface portion. A portion near the edge of the main surface portion is supported from the inner surface side by the frame member, and an outer edge portion than the portion supported by the frame member of at least one of the first main surface portion and the second main surface portion. It is abutted by elastically deforming until the tip of the second folded portion passes over the tip of the first folded portion, and held in the butted state by the elastic return force of the main surface portion,
The third case member is supported by the first main surface portion of the first case member via the liquid crystal display panel at a portion near the edge of the third main surface portion, and the tip surface of the reverse folded portion The distal end surface of the third folded portion is elastic until the tip of the third folded portion passes through the edge of the third main surface portion outside the portion supported by the liquid crystal display panel until the distal end of the third folded portion passes the distal end of the reverse folded portion. 23. The display device according to claim 22, wherein the display device is abutted by being deformed and held in the abutted state by an elastic restoring force of the third main surface portion.

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