JP2013064902A - Display device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a display device with a cabinet, which can improve quality on design by narrowing a frame thereof, and be inexpensively manufactured by a small-sized and simple facility.SOLUTION: A front cabinet 10 for surrounding a peripheral edge portion of a display module 20 in a frame-shape is divided into four members. Each of the members is bent so as to form a C-shaped at a part of a cross-section, and the part is fitted in the peripheral edge portion of the display module 20. The display module 20 has a projecting portion 27 at a predetermined position. The front cabinet 10 has a recessed portion 11 to be engaged with the projecting portion 27. Each of the members of the front cabinet 10 is fixed by a cabinet fixing screw 40 with the display module 20 and a rear side cabinet 30, on a back surface side of the display module 20.

Description

  The present invention relates to a display device, and more particularly to a display device including a cabinet that surrounds a peripheral portion of a display module having a display panel in a frame shape.

  Display devices such as flat-screen televisions that display images on a display panel such as a liquid crystal panel or a plasma panel have become widespread. The display device includes a cabinet that surrounds a peripheral portion of a display module including a display panel in a frame shape. In the area surrounded by the cabinet, the viewer can visually recognize the video displayed on the display panel. A conventional general cabinet is integrally formed by an injection molding machine and attached to a display module.

  FIG. 4 is a diagram for explaining an example of a cabinet mounting structure for a conventional display module, in which 100 is a display device, 20 is a display module, 21 is a liquid crystal panel, 22 is an optical sheet, and 23 is a light guide plate. , 24 is a module shield, 25 is an LED board, 26 is an LED, 30 is a rear cabinet (back cabinet), 50 is a front cabinet, 60 is a rear cabinet fixing screw, 61 is a front cabinet fixing screw, and 70 is a module fixing bracket. It is.

  The display device 100 of this example is configured as a liquid crystal display device using the LED 26 as a backlight. The display module 20 includes a liquid crystal panel 21 that is a display panel, various optical sheets 22, a light guide plate 23, a metal module shield 24, an LED substrate 25, and an LED 26.

  The front cabinet 50 surrounds the periphery of the rectangular display module 20 in a frame shape, and is fixed to the module fixing bracket 70 fixed to the module shield 24 of the display module 20 by a front cabinet fixing screw 61. The rear cabinet 30 is attached to the fixed front cabinet 50, and the rear cabinet 30 and the module shield 24 are fixed by the rear cabinet fixing screw 60.

  When the side on which the liquid crystal display panel 21 of the display module 20 can be viewed is the front side of the display device 100, the surface of the front cabinet 50 seen from the front side is a so-called frame. The frame is provided so as to surround the display module 20 in a frame shape. The width L of the front cabinet that can be seen from the front side is the frame width.

  FIG. 5 is a diagram illustrating a state when the front cabinet 50 is attached to the display module 20 in the configuration of FIG. As described above, the module fixing bracket 70 is attached to the module shield 24 (not visible in FIG. 5) provided on the back side of the display module 20. As shown in FIG. 5, the module fixing bracket 70 has a shape protruding from the rectangular peripheral edge of the display module 20. The front cabinet 50 is fixed to the module fixing bracket 70 attached to the display module 20 by a front cabinet fixing screw 61. Thereafter, the back side cabinet 30 (not shown in FIG. 5) is attached to the back side of the display module 20.

  With regard to the technology related to the structure of the cabinet, for example, the cabinet described in Patent Document 1 is an engagement for engaging with protrusions provided in openings on the upper, lower, left, and right sides of the main body housing inside the upper, lower, left, and right sides. Has a claw. Then, with the engaging claw engaged with the protrusion, by attaching an engaging auxiliary body that urges the engaging claw toward the protruding side to the outer surface of the main body casing, the cabinet can be mounted directly without using screws. Secure to the chassis. This prevents torsional moments and stress from being applied to the cabinet, eliminates twisting and deformation of the cabinet, prevents unevenness due to light reflection even in high gloss finishes, It is said that a high-quality appearance can be provided.

JP 2009-200543 A

  In recent years, display devices such as flat-screen televisions have been further reduced in thickness, and design characteristics such as stylishness are regarded as important. In such a situation, in order to improve the design, it is important to realize a narrow frame even in the cabinet. The narrow frame means to narrow the frame width L of the front cabinet.

In the case of the conventional display device as shown in FIGS. 4 and 5, since the module fixing bracket 70 protruding from the rectangular periphery of the display module 20 is used, a space is required on the periphery of the display module 20, and the structure is further narrowed. A frame structure cannot be obtained.
Conventional cabinets are usually formed by injection molding machines, but display devices such as flat-screen TVs in recent years have been increasing in size, and molds and injection molding machines have become larger in the cabinet manufacturing facilities, resulting in cost reduction. There was also a problem of increasing.

  The cabinet of Patent Document 1 discloses a configuration in which the cabinet is mounted using an engagement auxiliary body with respect to the main body housing, and any configuration for realizing the narrow frame as described above is disclosed. It is not a thing.

  The present invention has been made in view of the above-described circumstances, and provides a display device including a cabinet that can be manufactured at a low cost with a small and simple facility while improving design quality by narrowing the frame. For the purpose.

  In order to solve the above problems, a first technical means of the present invention provides a display including a rectangular display module having a display panel for displaying an image, and a cabinet surrounding the peripheral portion of the display module in a frame shape. It is an apparatus, The said cabinet consists of four members, and each said member is engage | inserted by the peripheral part of each side of the rectangle of the said display module, It is characterized by the above-mentioned.

  According to a second technical means, in the first technical means, each member of the cabinet is bent so that a part of a cross section forms a U-shape, and the bent U-shaped portion is The display module is fitted into the peripheral edge of the display module.

  According to a third technical means, in the second technical means, each member of the cabinet has an inner bottom surface of the U-shaped portion in contact with the display module.

  According to a fourth technical means, in any one of the first to third technical means, the display module has a protrusion or a recess at a predetermined position, and each member of the cabinet is fitted into the display module. In this state, the display module has a recess that engages with the protrusion, or a protrusion that engages with the recess of the display module.

  A fifth technical means includes a rear cabinet that covers the back side of the display module according to any one of the first to fourth technical means, and each member of the cabinet that surrounds the display module in a frame shape. The display module and the rear cabinet are fixed together with a fixing member on the back side of the display module.

  According to the display device of the present invention, it is possible to provide a display device including a cabinet that can be manufactured at a low cost with a small and simple facility while improving design quality by narrowing the frame.

It is a figure which shows an example of the display apparatus by this invention, and shows the external appearance structure which looked at the display apparatus from the front. It is a figure for demonstrating an example of the attachment structure of the cabinet of the display apparatus which concerns on this invention. FIG. 3 is a diagram illustrating a state when a front cabinet is attached to the display module in the configuration of FIG. 2. It is a figure for demonstrating an example of the attachment structure of the cabinet with respect to the conventional display module. FIG. 5 is a diagram illustrating a state when a front cabinet is attached to the display module in the configuration of FIG. 4.

FIG. 1 is a diagram showing an example of a display device according to the present invention, and shows an external configuration of the display device 1 as viewed from the front. The display device 1 includes a rectangular display module 20, and a front cabinet 10 is provided at the peripheral edge of the display module 20. The front cabinet 10 corresponds to the cabinet of the present invention that surrounds the periphery of the display module in a frame shape.
From the front of the display device 10, the display panel of the display module 20 surrounded by the front cabinet 10 is visible. A liquid crystal panel or the like is used as the display panel, and video display that is visible to the user is performed. The front cabinet 10 that can be visually recognized from the front is desired to have a narrow frame that reduces the frame width L when the design-oriented stylish feeling or the like is important as described above.

  In the embodiment according to the present invention, the front cabinet 10 is divided into four members 10a to 10d, and the respective members 10a to 10d are fitted and fixed to the peripheral portions of the respective sides of the rectangular display module 20. By dividing and manufacturing into four members 10a-10d, since a small and medium molding machine can be used, manufacturing equipment is simplified and manufacturing costs and transportation / interpolation costs can be reduced. In addition, narrowing of the frame can be realized for structural reasons, which will be described later, and design quality can be improved.

  FIG. 2 is a diagram for explaining an example of the cabinet mounting structure of the display device according to the present invention. The display device 1 according to the embodiment of the present invention is configured as a liquid crystal display device using the LED 26 as a backlight. The display module 20 includes a liquid crystal panel 21 that is a display panel, various optical sheets 22, a light guide plate 23, a metal module shield 24, an LED substrate 25, and an LED 26. In the present embodiment, a so-called edge light type configuration in which the LEDs 26 are arranged on the side of the liquid crystal panel 21 is employed, but a so-called direct type in which the LEDs 26 are provided directly under the liquid crystal panel 21 (on the back side) is also possible. Good. In addition, a fluorescent tube may be used as a backlight. Further, the display module may have a configuration of another known display method such as a plasma display in addition to the configuration using the liquid crystal panel shown in the figure.

  The front cabinet 10 surrounds the peripheral edge of the rectangular display module 20 in a frame shape, and is configured by four members that are fitted into the peripheral edge of each rectangular side of the display module 20. As shown in the figure, the front cabinet 10 has a U-shaped part (a shape connecting abcd in FIG. 2) in a part of the cross section, and the U-shaped part is fitted into the peripheral portion of the display module 20. It is. A part of the U-shaped portion (portion connecting ab in FIG. 2) is a portion that constitutes a so-called frame that can be seen from the front of the display device 1, and can be configured to have a narrower frame as the frame width L is shorter. .

  The module shield 24 included in the display module 20 is provided with a protrusion 27 at a predetermined position. A concave portion 11 is provided on the inner surface of the U-shaped portion of the front cabinet 10. The recess 11 is formed in a groove shape extending in the thickness direction of the paper surface. When the U-shaped portion of the front cabinet 10 is fitted into the peripheral portion of the display module 20, the recess 11 and the projection 27 are engaged, and the position of the front cabinet 10 with respect to the display module 20 is fixed. .

  With this structure, the conventional structure for attaching the module fixing bracket 70 to the display module 20 and screwing it becomes unnecessary, and the U-shaped portion of the front cabinet 10 is arranged close to the peripheral edge of the display module 20. Therefore, it is possible to narrow the frame and improve the design quality. In the example of FIG. 2, the inner bottom surface of the U-shaped portion is in contact with the display module 20. With this configuration, the frame width L can be minimized, and a narrow frame cabinet structure approximately the same as the size of the module shield 24 around the liquid crystal panel 21 can be realized.

  The front cabinet 10 further has a portion that bends and extends (portion connecting def in FIG. 2) on the back side of the display device 1. Screw holes 31, 12, and 28 are provided at predetermined positions in the rear side cabinet 30, the extended portion of the front cabinet 10, and the module shield 24 of the display module 20, respectively. Then, the extended portion of the front cabinet 10, the module shield 24, and the back side cabinet 30 are fixed together by a cabinet fixing screw (fixing member) 40. The fixing member is not limited to the cabinet fixing screw 40, and an engaging structure using an engaging claw or the like may be applied. Such collective fixing can reduce assembly man-hours.

  Further, unlike the conventional configuration shown in FIG. 4, it is not necessary to arrange the back side cabinet 30 so as to cover the module fixing bracket 70, so that the frame portion around the display module 20 can be thinned. In terms of design, the design quality can be improved.

  FIG. 3 is a diagram for explaining a state when the front cabinet 10 is attached to the display module 20 in the configuration of FIG. As described above, the front cabinet 10 that surrounds the peripheral portion of the display module 20 in a frame shape is divided into four members 10a, 10b, 10c, and 10d (only 10a and 10b are shown in FIG. 3), and a rectangular display module. 20 is fitted into the peripheral edge of each side.

  Each member 10 a to 10 d of the front cabinet 10 has a U-shape, and the U-shaped portion is fitted into the peripheral edge of the display module 20. Moreover, each member 10a-10d has the recessed part 11 in the inner surface of a U-shaped part. The recess 11 has a groove shape extending in the side direction of the rectangle of the display module 20. The recess 11 is engaged with and fixed to a protrusion 27 provided on the display module 20. In addition, the recessed part 11 may not be a groove | channel shape as shown in figure, but the hollow shaped recessed part according to the projection part 27 may be sufficient. Further, the position of the protrusion 27 is not limited to the example of FIG. 3 and can be set as appropriate. Moreover, it is good also as a structure which provided the recessed part 11 in the display module 20, and provided the projection part 27 engaged with the recessed part 11 in each member 10a-10d of the front cabinet 10. FIG. Thereafter, the back side cabinet 30 (not shown in FIG. 3) is attached to the back side of the display module 20.

DESCRIPTION OF SYMBOLS 1 ... Display apparatus, 10 ... Front cabinet, 10 ... Display apparatus, 10a, 10b, 10c, 10d ... Member, 11 ... Recessed part, 12 ... Screw hole, 20 ... Display module, 21 ... Liquid crystal panel, 22 ... Optical sheet, 23 ... light guide plate, 24 ... module shield, 25 ... LED substrate, 26 ... LED, 27 ... projection, 28 ... screw hole, 30 ... back side cabinet, 31 ... screw hole, 40 ... cabinet fixing screw, 50 ... front cabinet, 60 ... rear side cabinet fixing screw, 61 ... front cabinet fixing screw, 70 ... module fixing bracket, 100 ... display device.

Claims (5)

A display device comprising a rectangular display module having a display panel for displaying an image, and a cabinet surrounding the periphery of the display module in a frame shape,
The said cabinet consists of four members, and each said member is engage | inserted by the peripheral part of each side of the rectangle of the said display module.   2. The display device according to claim 1, wherein each member of the cabinet is bent so that a part of a cross-section forms a U-shape, and the bent U-shaped portion of the cabinet is a portion of the display module. A display device, which is fitted in a peripheral portion.   The display device according to claim 2, wherein an inner bottom surface of the U-shaped portion of each member of the cabinet is in contact with the display module.   The display device according to claim 1, wherein the display module has a protrusion or a recess at a predetermined position, and each member of the cabinet is in a state where the cabinet is fitted into the display module. A display device comprising: a concave portion that engages with the projection portion of the display module; or a projection portion that engages with the concave portion of the display module of the previous period.   5. The display device according to claim 1, further comprising: a rear cabinet that covers a back side of the display module, and each member of the cabinet that surrounds the display module in a frame shape. The display device is fixed by a fixing member together with the display module and the rear cabinet.