JP2011123297A - Display device and method of manufacturing frame of the display device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a display device in which the number of connection parts of a frame covering the peripheral part of a display panel can be reduced, and the strength of the frame as a whole can be enhanced. <P>SOLUTION: A cover part 30 of the frame 3, covering the peripheral part of the display panel 1 and the peripheral part of a rear cabinet is formed by bending a long-size material which is cut into a prescribed length. Then, edge part of the material is connected by the connection parts 31 and forms the frame 3. Accordingly, the number of the connection parts 31 in the frame 3 is reduced, and the strength of the frame as a whole is enhanced. <P>COPYRIGHT: (C)2011,JPO&amp;INPIT

Description

  The present invention relates to a display device for displaying an image and a frame manufacturing method for the display device. More specifically, the present invention relates to a thin display device such as a liquid crystal display device, a plasma display device, a surface-conduction electron-emitter display (SED), and an EL (electroluminescence) display, and a frame manufacturing method of the display device.

  Liquid crystal display devices that occupy a small indoor area compared to the size of the display screen are widely used because they can effectively use a limited indoor space. The liquid crystal display device is configured to display an image by irradiating light from a light source accommodated in a rear cabinet onto a liquid crystal display panel that displays an image disposed inside the frame.

  In recent years, the screen size of liquid crystal display devices has increased. When the frame is molded by injection molding, the mold used for molding the frame is enlarged. Therefore, the investment amount for the mold increases, and the burden of the manufacturing cost of the liquid crystal display device increases.

  Patent Documents 1 and 2 include a frame having an upper side portion, a lower side portion, a left side portion, and a right side portion in order to reduce manufacturing costs necessary for forming a frame, and these end portions are connected by a connecting portion. An apparatus is disclosed. Each side part is manufactured by forming a long material having a uniform cross-sectional shape by extrusion molding and cutting the material into a predetermined dimension. Thus, since a metal mold | die is not used for manufacture of each side part, manufacturing cost can be reduced. In addition, the frame can be manufactured immediately corresponding to each screen size.

JP 2004-12560 A JP 2008-65335 A

  However, the display devices described in Patent Documents 1 and 2 require four connecting portions in order to connect the ends of the upper side, the lower side, the left side, and the right side. An operator has to connect the respective side portions with screws or the like, which takes a long time to manufacture the display device, and there is a problem that the manufacturing cost of the display device is not sufficiently reduced. Further, since the frame is assembled by connecting the sides, the strength of the entire frame is lowered.

  The present invention has been made in view of such circumstances, and can reduce the manufacturing cost by reducing the number of connecting portions, and can improve the strength of the entire frame and the frame manufacturing of the display device It aims to provide a method.

  A display device according to the present invention includes a display panel that displays an image and a frame that covers a peripheral portion of the display panel. The frame is formed into a frame shape by bending a long material. The cover part which is shape | molded and covers the peripheral part of the said display panel, and the connection part which connects the edge part of the said raw material are provided, It is characterized by the above-mentioned.

  The display device according to the present invention includes a rear cabinet which is disposed on the rear side of the display panel, has a box shape having an open portion on the front side, and has an extending portion protruding outward from the periphery of the open portion. The cover portion includes a front wall portion that covers the front side of the peripheral portion of the display panel, and a peripheral wall that protrudes rearward from the outer peripheral edge of the front wall portion and covers the peripheral portion of the display panel and the peripheral portion of the extending portion. And a plurality of inner wall portions projecting rearward from the front wall portion and arranged around the front wall portion in parallel to the peripheral wall portion, and facing a groove between the plurality of inner wall portions An insertion hole is opened at the position of the extending portion.

  A display device according to the present invention has a display panel for displaying an image and a box shape that is disposed on the rear side of the display panel and has an open portion on the front side, and extends in an outward direction from the periphery of the open portion. A display device comprising a rear cabinet having a projecting portion and a frame that covers from the front side of the peripheral portion of the display panel to the rear side of the peripheral portion of the extending portion, wherein the frame is a long material having a half-cylindrical shape. It is characterized by comprising two cover parts formed into a U-shape by bending in a groove opening direction and a connecting part for connecting the end portions of the material.

  The display device according to the present invention is characterized in that the thickness of the bent portion of the cover portion is thinner than the thickness of the other portions.

  The display device according to the present invention has a plurality of V-shaped cutouts on one side of the material, and the cover portion is formed by bending the cutout in a closing direction.

  The method for manufacturing a frame of a display device according to the present invention includes a step of bending a long material and a step of connecting end portions of the material in a method of manufacturing a frame disposed on a peripheral portion of a display panel. It is characterized by providing.

  In the frame manufacturing method for a display device according to the present invention, the bending step includes a step of providing a plurality of V-shaped notches on one side of the material, and a step of bending the material in a direction in which the notch is closed. It is characterized by providing.

  In the display device and the display device frame manufacturing method of the present invention, since the cover portion is formed by bending, it is necessary to connect the upper side portion, the lower side portion, the left side portion, and the right side portion at the four corners of the display panel. The number of connecting parts is reduced. For example, when the cover portion is formed by bending a single long material cut to the entire size of the peripheral edge of the display panel, it is sufficient to connect both ends of the material with one connecting portion. Moreover, the upper side part, lower side part, left side part, and right side part which comprise a flame | frame are integrally shape | molded by the said bending process.

  In the display device of the present invention, a cover portion of the frame is formed, and a plurality of inner wall portions are provided on the front wall portion that covers the front side of the peripheral edge portion of the display panel, so that a groove between the plurality of inner wall portions is formed. Screws can be screwed together. Therefore, when the peripheral edge of the display panel and the peripheral edge of the extending portion are fixed to the frame with screws, there is no need to provide screw fixing holes. Further, since the plurality of inner wall portions are provided in the length directions of the upper side portion, the lower side portion, the left side portion and the right side portion constituting the cover portion, screws are secured at arbitrary positions on each side portion. Can do. Further, since the frame functions as both a bezel that sandwiches the peripheral edge of the display panel and a front cabinet that covers the bezel, the number of members constituting the display device can be reduced.

  In the display device of the present invention, the cover portion of the frame has a half cylinder shape, and the peripheral edge portion of the display panel and the peripheral edge portion of the extension portion are fitted into the groove of the cover portion. Can be pinched. This eliminates the need for screws and screwing used to fix the peripheral edge of the display panel and the peripheral edge of the extension to the frame.

  In the display device of the present invention, the thickness of the bent portion of the cover portion is made thinner than the thickness of the other portions. Thereby, generation | occurrence | production of the wrinkle etc. which arise in the corner | angular part of the said cover part by a bending process can be suppressed, and the raw material which shape | molds a cover part can be bent easily.

  In the display device and the frame manufacturing method of the display device of the present invention, a plurality of V-shaped cutouts are provided on one side of a long material cut into a predetermined size, and the cutouts are closed. The material is bent in the direction. Thereby, the bending part of a cover part can be shape | molded without impairing an external appearance, and the said raw material can be bent easily.

  In this invention, the cover part of a flame | frame is shape | molded by bending the elongate raw material cut | disconnected by the predetermined dimension. For this reason, it is possible to reduce the manufacturing cost by reducing the number of connecting portions constituting the frame. Further, by the bending process, the upper side portion, the lower side portion, the left side portion and the right side portion constituting the frame can be integrally formed, and the strength of the frame can be improved.

1 is a perspective view showing a display device according to Embodiment 1. FIG. It is an enlarged view of the corner | angular part of a flame | frame. 4 is a cross-sectional view of a cover portion of a frame that constitutes the display device according to Embodiment 1. FIG. 3 is a plan cross-sectional view illustrating the display device according to Embodiment 1. FIG. 6 is a front view illustrating another example of the display device according to Embodiment 1. FIG. 10 is an explanatory diagram for explaining a method of bending a corner portion of a frame constituting the display device according to Embodiment 2. FIG. 6 is a front view showing a display device according to Embodiment 3. FIG. 6 is a cross-sectional view of a first cover portion of a frame that constitutes a display device according to Embodiment 3. FIG. 6 is a plan sectional view showing a display device according to a third embodiment. FIG. 10 is an explanatory diagram for explaining a method for assembling a frame constituting the display device according to the third embodiment.

(Embodiment 1)
Hereinafter, the present invention will be described in detail with reference to the drawings illustrating a display device according to a first embodiment. FIG. 1 is a perspective view showing a display device.
In the figure, reference numeral 1 denotes a rectangular display panel having a liquid crystal, and the display panel 1 is configured to control the voltage applied to the liquid crystal to adjust the light transmittance and display an image on the front surface. A rear cabinet 2 is disposed on the rear side of the display panel 1. The rear cabinet 2 has a box shape with a front surface opened and a bottom surface rectangular. The vertical and horizontal dimensions of the rear cabinet 2 are substantially the same as the vertical and horizontal dimensions of the display panel 1. A frame 3 is disposed on the peripheral edge of the display panel 1. The frame 3 has a rectangular frame shape and covers the peripheral edge of the display panel 1 and the peripheral edge of the rear cabinet 2.

  The frame 3 is arranged on the front side of the cover part 30 that covers the peripheral part of the rectangular display panel 1 and the peripheral part of the rear cabinet 2, and both ends of the long material formed on the cover part 30. It is comprised with the rectangular connection part 31 to connect. The connection part 31 is arrange | positioned in the center of the length direction of a lower side part. The cover part 30 and the connection part 31 are fixed with screws (not shown).

  FIG. 2 is an enlarged view of a corner portion of the frame 3. The frame 3 has a uniform cross-sectional shape and is formed by bending a long material cut to the size of the entire periphery of the display panel 1 in the width direction of the material according to the shape of the periphery of the display panel 1. It is formed by. By the bending process, the upper side portion, the lower side portion, the left side portion and the right side portion constituting the frame 3 are integrally formed. Further, the thickness of the bent portion of the material is made thinner than the thickness of each side portion excluding the bent portion (corresponding to the other portion of claim 4). The material is a metal such as aluminum, and is an extruded material formed into a long shape by extrusion molding.

  FIG. 3 is a cross-sectional view of the cover portion 30. The cover part 30 includes a front wall part 300, a peripheral wall part 301, and two inner wall parts 302 and 302. The front wall portion 300 is disposed on the front side of the peripheral edge portion of the display panel 1. The front wall portion 300 is formed by bending a long material cut to the size of the entire periphery of the display panel 1 in the width direction according to the shape of the periphery of the display panel 1.

  The peripheral wall portion 301 protrudes from the entire outer peripheral edge of the front wall portion 300 to the rear side in a direction perpendicular to the front wall portion 300, and has a rectangular shape at each side portion. The peripheral wall 301 covers the peripheral edge of the display panel 1 and the peripheral edge of the rear cabinet 2.

  The two inner wall portions 302, 302 are located inside the peripheral wall portion 301, and project from the front wall portion 300 to the rear side in a direction perpendicular to the front wall portion 300. The two inner wall portions 302, 302 are parallel to the peripheral wall portion 301 and are provided around the front wall portion 300. The two inner wall portions 302 and 302 face each other in the width direction of the front wall portion 300 and have a predetermined separation distance. The shape of the two inner wall portions 302 and 302 is substantially the same as the shape of the peripheral wall portion 301 except that the height is lower than that of the peripheral wall portion 301. A groove 303 is provided between the two inner wall portions 302, 302 by the two inner wall portions 302, 302 and the front wall portion 300.

  FIG. 4 is a plan sectional view showing the display device according to the first embodiment. In the display panel 1, the peripheral portion of the display panel 1 is sandwiched between the front wall portion 300 disposed on the front side of the peripheral portion and the rectangular panel holding frame 4 disposed on the rear side of the peripheral portion. Between the display panel 1 and the panel holding frame 4, a plurality of elongated elastic members 40 are provided along the inner surface of the panel holding frame 4.

  On the rear side of the display panel 1, a rectangular optical sheet 6 that collects light from the cold cathode fluorescent tube 5 (light source) toward the display panel 1 is disposed. Between the peripheral edge of the optical sheet 6 and the panel holding frame 4, a plurality of elongated elastic members 41 are provided. On the rear side of the optical sheet 6, a rectangular diffusion plate 7 that uniformly diffuses the light of the cold cathode fluorescent tube 5 is provided. The diffusion plate 7 is supported by the peripheral edge of the deep dish-shaped backlight chassis 8. On the front surface of the inner wall of the backlight chassis 8, a plurality of cold cathode fluorescent tubes 5, 5,.

  On the rear side of the backlight chassis 8, a box-shaped rear cabinet 2 having a rectangular opening portion 21 whose front surface is open is provided. The rear cabinet 2 includes a rectangular extending portion 20 that protrudes from the periphery of the opening portion 21 in the outer direction parallel to the display panel 1. The vertical and horizontal dimensions of the rear cabinet 2 and the vertical and horizontal dimensions of the frame 3 are substantially the same, and the extension part 20 of the rear cabinet 2 and the front wall part 300 of the frame 3 face each other.

  The panel holding frame 4 is located at a position facing the groove 303, and the extending portion 20 of the rear cabinet 2 is located on the rear side of the panel holding frame 4. Circular insertion holes 22 and 42 are formed in the extending part 20 of the rear cabinet 2 and the panel holding frame 4 in a direction perpendicular to the front wall part 300, respectively. The two insertion holes 22 and 42 communicate with a position facing the groove 303. The screw 9 is inserted into the two insertion holes 22 and 42 and screwed into the groove 303, thereby fixing the peripheral edge of the display panel 1 and the peripheral edge of the extension 20 to the cover 30. Thereby, the functions of the bezel that holds the display panel 1 and the front cabinet that covers the bezel are realized.

  The distance between the two inner wall portions 302 and 302 is shorter than the diameter of the screw 9 at the insertion portion of the screw 9. Thereby, the screw 9 can be screwed into the groove 303, and the rear cabinet 2 and the panel holding frame 4 are firmly fixed to the frame 3.

  The number of inner wall portions 302 is not limited to two. Two or more inner wall portions 302, 302, ..., 302 may be provided. In this case, a plurality of grooves 303, 303,..., 303 are provided between the plurality of inner wall portions 302, 302,. Opening holes 22, 22, ..., 22, 42, 42, ..., 42 are opened in the extension part 20 and the panel holding frame 4 of the rear cabinet 2 facing the grooves 303, 303, ..., 303. Is done.

  In the display device according to the first embodiment, since only one place to be connected by the connecting portion 31 of the frame 3 is sufficient, it is possible to reduce the connecting portion 31 and the screw used at the time of connection. However, the time required for manufacturing the display device can be shortened. Moreover, in the cover part 30, since the upper side part, the lower side part, the left side part, and the right side part are united, the intensity | strength of the whole flame | frame can be improved.

  Further, the thickness of the bent portion of the cover portion 30 is made thinner than the thickness of each side portion excluding the bent portion of the cover portion 30. Thereby, generation | occurrence | production of the wrinkle etc. which arise by bending of the raw material which forms the cover part 30 can be suppressed, and it can fold easily. Two inner wall portions 302 and 302 are provided over the entire peripheral edge portion of the display panel 1 in parallel with the peripheral wall portion 301. For this reason, in the peripheral part of the display panel 1, the insertion holes 22 and 42 are opened at arbitrary positions of the extension part 20 of the rear cabinet 2 and the panel holding frame 4 facing the groove 303, and the screws 9 are screwed together. Can do.

  In addition, since the frame 3 functions as both a bezel that sandwiches the peripheral edge of the display panel 1 and a front cabinet that covers the bezel, the number of members constituting the display device can be reduced. By reducing the number of the members, manufacturing costs can be reduced, and the weight of the display device can be reduced. Further, since the thickness of the display device is reduced, the thickness can be reduced.

  Moreover, since the elongate raw material shape | molded by the cover part 30 is shape | molded by extrusion molding, a metal mold | die becomes unnecessary and it can reduce manufacturing cost.

  FIG. 5 is a front view showing another example of the display device according to the first embodiment. FIG. 5A is a front view in which the cover portion 30 is connected by the connecting portion 31 at the center in the length direction of the right side portion, and FIG. 5B is a diagram in which the lower side portion and the right side portion are in contact with each other. It is a front view which has connected the cover part 30 with the connection part 31 in the corner | angular part. Thus, the position where the cover part 30 is connected by the connecting part 31 is not limited to the center in the length direction of the lower side part of the display panel 1 shown in FIG. 1 but is connected to an arbitrary position in the peripheral part of the display panel 1. The part 31 may be arranged.

  Further, the arrangement of the connecting portion 31 is not limited to the front side of the cover portion 30. The connecting portion 31 may be disposed on the rear side of the cover portion 30.

  Although the display device according to Embodiment 1 uses the cold cathode fluorescent tube 5 as a light source, an LED (Light Emitting Diode) may be used as a light source. Further, the display device according to Embodiment 1 is not limited to the liquid crystal display device, and may be a plasma display device, an SED, an EL display, or the like.

(Embodiment 2)
Hereinafter, the present invention will be described in detail with reference to the drawings illustrating a display device according to a second embodiment. FIG. 6 is an explanatory diagram for explaining a method of bending a corner portion of the frame 3 constituting the display device according to the second embodiment. FIG. 6A shows a V-shaped notch 32 provided in a long material having a uniform cross-sectional shape. The material is cut to the size of the entire periphery of the display panel 1, and the notch 32 is provided on one side of the material. Two sides constituting the notch 32 are inclined at 45 degrees with respect to the width direction of the material. The bottom portion of the V-shaped notch 32 is formed in a circle. The four notches 32, 32, 32, and 32 are juxtaposed in the length direction of the material at the one side portion of the material.

  FIG. 6B shows a bent portion of the cover portion 30 formed by bending the material having the notch 32 shown in FIG. 6A in a direction in which the notch 32 is closed. By rounding the bottom portion of the notch 32, when the material is bent, the bent portion of the outer peripheral edge of the material can be rounded.

  In the display device according to the second embodiment, after the notch 32 is provided in the material, the material is bent in a direction in which the notch 32 is closed, thereby forming the bent portion of the cover 30 without impairing the appearance. be able to. In addition, by providing the notch 32, the material can be easily bent.

  Since the other configuration of the second embodiment described above is the same as that of the first embodiment, detailed description thereof is omitted.

(Embodiment 3)
Hereinafter, the present invention will be described in detail with reference to the drawings showing a display device according to a third embodiment. FIG. 7 is a front view showing the display device according to the third embodiment. The frame 3a constituting the display device according to Embodiment 3 covers from the front edge of the display panel 1 to the rear edge of the rear cabinet 2a. The rear cabinet 2a is disposed on the rear side of the backlight chassis 8 and has a box shape having a rectangular opening portion 21a with the front surface open, and protrudes in the outer direction parallel to the display panel 1 from the periphery of the opening portion 21a. The rectangular extending portion 20a is provided (see FIG. 9).

  The frame 3a includes a first cover part 30a, a second cover part 30b, and two connecting parts 31 and 31 that connect the first cover part 30a and the second cover part 30b. The first cover portion 30a covers the entire upper side portion of the display panel 1 and the upper end to the center of each of the left side portion and the right side portion. The second cover portion 30b covers the entire lower side portion and the lower end to the center of each of the left side portion and the right side portion. The first cover portion 30a or the second cover portion 30b and the connecting portion 31 are fixed by screws (not shown). The first cover portion 30a and the second cover portion 30b are each U-shaped.

  Note that the arrangement of the two connecting portions 31 is not limited to the center positions of the left side portion and the right side portion of the display panel 1. The two connecting portions 31, 31 may be arranged at arbitrary positions on the left side portion and the right side portion, and the first cover portion 30a and the second cover portion 30b corresponding to the arrangement may be formed by bending. . Further, the arrangement of the two connecting portions 31 is not limited to the left side portion and the right side portion. Two connecting portions 31, 31 are arranged on each of the upper side portion and the lower side portion of the display panel 1, and the first cover portion 30a includes the entire left side portion, a part of the upper side portion, and a part of the lower side portion. The second cover part 30b may be configured to cover the entire right side part, a part of the upper side part, and a part of the lower side part.

  FIG. 8 is a cross-sectional view of the first cover portion 30a. The first cover part 30a includes a front wall part 30c, a rear wall part 30d, and a peripheral wall part 30e. The front wall portion 30c is disposed on the front side of the peripheral portion of the display panel 1 and covers the entire upper side portion of the display panel 1 and the upper end to the center of each of the left side portion and the right side portion. The front wall 30c is formed by bending a long material cut into a predetermined size in the width direction in accordance with the shape of the peripheral edge of the display panel 1.

  The rear wall portion 30d is disposed on the rear side of the extending portion 20a of the rear cabinet 2a and covers the entire upper side portion of the rear cabinet 2a and the upper end to the center of each of the left side portion and the right side portion. The rear wall 30d is formed by bending a long material cut into a predetermined dimension in the width direction in accordance with the shape of the peripheral edge of the rear cabinet 2a. The vertical and horizontal dimensions of the front wall part 30c are substantially the same as the vertical and horizontal dimensions of the rear wall part 30d, and the front wall part 30c and the rear wall part 30d face each other.

  The peripheral wall part 30e is arrange | positioned at the periphery of the display panel 1, and has covered the peripheral part of the display panel 1, and the peripheral part of the extension part 20a. The peripheral wall part 30e protrudes in the direction perpendicular to the front wall part 30c from the outer side of the front wall part 30c to the rear side, and is continuous with the outer side of the rear wall part 30d. The peripheral wall portion 30e is perpendicular to the rear wall portion 30d. The front wall portion 30c, the rear wall portion 30d, and the peripheral wall portion 30e provide a groove 30f having the peripheral wall portion 30e as a bottom surface. Further, the first cover portion 30a has a shape in which a long, half-cylindrical material having a rectangular flat bottom portion covers the peripheral edge of the display panel 1 and the peripheral edge of the extending portion 20a. .

  The second cover portion 30b is vertically symmetrical with the first cover portion 30a, and the cross-sectional configuration of the second cover portion 30b is substantially the same as the cross-sectional configuration of the first cover portion 30a.

  FIG. 9 is a plan sectional view showing the display device according to the third embodiment. The rectangular panel holding frame 4 a is disposed on the rear side of the peripheral portion of the display panel 1. The panel holding frame 4 a and the front wall portion 30 c arranged on the front side of the peripheral portion of the display panel 1 sandwich the peripheral portion of the display panel 1. In the panel holding frame 4a, the size in the direction perpendicular to the display panel 1 is substantially the same as the width of the groove 30f. Between the display panel 1 and the panel holding frame 4a, a plurality of elongated elastic members 40 are provided along the inner surface of the panel holding frame 4a.

  An optical sheet 6 is disposed on the rear side of the display panel 1. A plurality of elongated elastic members 41 are provided along the peripheral edge of the optical sheet 6 between the optical sheet 6 and the panel holding frame 4a. A diffusion plate 7 is provided on the rear side of the optical sheet 6. The diffusion plate 7 is supported at the peripheral edge of the backlight chassis 8. On the front surface of the inner wall of the backlight chassis 8, a plurality of cold cathode fluorescent tubes 5, 5,. On the rear side of the backlight chassis 8, a box-shaped rear cabinet 2a having a rectangular open portion 21a having a rectangular bottom surface and an open front surface is provided. The rear cabinet 2a has a rectangular extension 20a that protrudes in parallel to the display panel 1 from the periphery of the opening 21a. A rear wall portion 30d is disposed on the rear side of the extending portion 20a.

  The peripheral edge portion of the display panel 1 and the peripheral edge portion of the extending portion 20a are sandwiched by the grooves 30f without using screws. In the case of the second cover portion 30b, the plan sectional view of the display device according to the third embodiment is substantially the same as FIG.

  FIG. 10 is an explanatory view for explaining a method of assembling the frame 3a. As shown in FIG. 10, the first cover portion 30 a is inserted from the upper side of the display panel 1. Similarly, the second cover portion 30b is inserted from the lower side of the display panel 1. With these insertions, the peripheral edge portion of the display panel 1 and the peripheral edge portion of the extending portion 20a are inserted into the grooves 30f and 30f provided on the inner side surfaces of the first cover portion 30a and the second cover portion 30b, respectively. Will be. Two connecting portions 31 and 31 are arranged at end portions of the first cover portion 30a and the second cover portion 30b, and the first cover portion 30a and the second cover portion 30b are fixed by screws (not shown).

  The method of assembling the frame 3a is not limited to the method of inserting the first cover portion 30a and the second cover portion 30b from the upper side and the lower side of the display panel 1, respectively. The first cover part 30a and the second cover part 30b are inserted from the left side and the right side of the display panel 1, respectively, and two connecting parts 31, 31 are arranged at the center position of the upper side part and the lower side part of the display panel 1. You may do it.

  In the display device according to Embodiment 3, the peripheral portion of the display panel 1 and the peripheral portion of the extending portion 20a are sandwiched between the first cover portion 30a and the second cover portion 30b. Therefore, the display panel 1 and the rear cabinet 2a can be fixed to the frame 3a without using screws. At the time of the fixing, the screw and the screw fixing are not necessary, and the time required for the assembly by the operator can be shortened, so that the manufacturing cost can be reduced.

  Among the configurations of the display device according to Embodiment 3, the same components as those in Embodiment 1 or 2 are denoted by the same reference numerals, and detailed description thereof is omitted.

DESCRIPTION OF SYMBOLS 1 Display panel 2, 2a Rear cabinet 20, 20a Extension part 21, 21a Open part 22 Insertion hole 3, 3a Frame 30 Cover part 31 Connection part 32 Notch 300, 30c Front wall part 301, 30e Perimeter wall part 302 Inner wall part 303, 30f Groove 30a First cover part 30b Second cover part 30d Rear wall part

Claims (7)

A display panel for displaying images,
A display device comprising: a frame that covers a peripheral edge of the display panel;
The frame is
A cover portion that is formed into a frame shape by bending a long material, and covers a peripheral edge portion of the display panel;
A display device comprising: a connecting portion that connects end portions of the material. The rear panel is disposed on the rear side of the display panel, has a box shape having an open portion on the front side, and includes a rear cabinet having an extending portion protruding outward from the periphery of the open portion,
The cover part is
A front wall covering the front side of the peripheral edge of the display panel;
A peripheral wall portion protruding rearward from the outer peripheral edge of the front wall portion and covering the peripheral edge portion of the display panel and the peripheral edge portion of the extending portion;
A plurality of inner wall portions that protrude rearward from the front wall portion and are provided around the front wall portion in parallel with the peripheral wall portion;
The display device according to claim 1, wherein an insertion hole is provided at a position of the extension portion facing a groove between the plurality of inner wall portions. A display panel for displaying images,
A rear cabinet disposed on the rear side of the display panel, having a box shape having an open portion on the front side, and having an extending portion protruding outward from the periphery of the open portion;
A frame that covers from the front side of the peripheral part of the display panel to the rear side of the peripheral part of the extension part,
The frame is
Two cover parts formed in a U-shape by bending a long material in the form of a half cylinder into the opening direction of the groove;
A display device comprising: a connecting portion that connects end portions of the material.   The display device according to any one of claims 1 to 3, wherein a thickness of the bent portion of the cover portion is thinner than a thickness of the other portion. A plurality of V-shaped notches on one side of the material;
The display device according to any one of claims 1 to 3, wherein the cover portion is formed by bending the cutout in a closing direction. In the manufacturing method of the frame disposed on the peripheral edge of the display panel,
A step of bending a long material;
A frame manufacturing method for a display device, comprising: connecting end portions of the material. The bending step includes
Providing a plurality of V-shaped notches on one side of the material;
The frame manufacturing method for a display device according to claim 6, further comprising: bending the material in a direction in which the cutout is closed.

Images