TWI498071B - Display device and back supporting structure thereof - Google Patents

Description

Display device and back support structure thereof

The present invention relates to a display device and a back support structure thereof, and more particularly to a back support structure having an insulating back plate, and a display device having the back support structure.

In the current liquid crystal display device module products, the front and rear shells (or the front frame and the back plate) used in the module products are mostly made of metal parts.

Although the metal parts have the advantages of structural strength and electrical characteristics, they are often limited by the metal forming process, which cannot be applied to the curved surface, and there are many limitations on the surface treatment of the metal surface. Therefore, the metal parts are now additionally designed by the whole system factory. When the appearance parts are covered and beautified, the feasibility of extremely thinning can not be achieved. In particular, the trend of display devices toward large sizes, such as liquid crystal televisions, not only emphasizes thinning, but also requires aesthetics.

The invention relates to a display device and a back support structure thereof. The display device has a front frame and a back plate made of an insulating material to meet the design requirements of appearance and thinning, wherein the back plate is matched with a wall-mounted bracket made of a conductive material. And grounding bracket to further achieve anti-electromagnetic interference and anti-static function.

According to an aspect of the invention, a display device is proposed. The display device includes a back plate, a front frame, a wall bracket and a ground bracket. The back plate is made of insulating material to make. The front frame is made of an insulating material and is engaged with the back plate. The wall bracket is made of a conductive material and is disposed on the backboard. The grounding bracket is disposed on the backboard. The grounding bracket is made of a conductive material and is electrically connected to the wall bracket.

According to another aspect of the present invention, a back support structure of a display device is proposed. The back support structure includes a back plate, a wall mount bracket and a ground bracket. The back plate is made of an insulating material. The wall bracket is made of a conductive material and is disposed on the backboard. The grounding bracket is disposed on the backboard. The grounding bracket is made of a conductive material and is electrically connected to the wall bracket.

The front frame and the back plate made of insulating material are used as appearance parts, which can meet the requirements of thinning of the display device and are suitable for the shape change of the curved surface. Furthermore, the wall mount bracket and the ground bracket can be used as the conductive support structure to meet the design requirements of anti-electromagnetic interference and anti-static.

In order to further understand the technology, method and effect of the present invention in order to achieve the intended purpose, reference should be made to the detailed description and drawings of the present invention. The drawings and the annexed drawings are intended to be illustrative and not to limit the invention.

100‧‧‧ display device

10‧‧‧Back support structure

12‧‧‧ Backplane

14, 14'‧‧‧ wall bracket

15‧‧‧Auxiliary fixtures

16, 16'‧‧‧ Grounding bracket

162'‧‧‧ Department of heat dissipation

18‧‧‧heat plate

20‧‧‧ front frame

22‧‧‧Conductor

30‧‧‧ display panel

40‧‧‧Backlight guide module

42‧‧‧Light source module

50‧‧‧ plastic frame

P1‧‧‧ first board

P2‧‧‧second circuit board

1 is an exploded perspective view of a display device in accordance with an embodiment of the present invention.

2 is a cross-sectional view, partly in section, of a horizontal cross-sectional view of a display device in accordance with an embodiment of the present invention.

3 is an exploded perspective view of a display device in accordance with another embodiment of the present invention.

As used herein, "adjacent" means proximate or connected, and adjacent elements may be separated from each other or directly connected to each other.

Please refer to FIG. 1 , which illustrates a three-dimensional representation of a display device according to an embodiment of the invention. Solution. The display device 100 includes a back plate 12, a front frame 20 located in front of the back plate 12, a display panel 30, and a backlight guiding module 40. The display panel 30 is, for example, a liquid crystal display panel disposed adjacent to the backlight module 40. The backlight guiding module 40 is, for example, an edge type, and generally includes a light guide plate, a reflective sheet, an optical film, etc., and is provided with a light source module 42 disposed at a side of the backlight guiding module 40 to provide a light source. . The backlight guiding module 40 and the light source module 42 are generally referred to as a "backlight module". The backing plate 12 and the front frame 20 of the present embodiment are made of an insulating material, for example, made of plastic, and can be used as an appearance component of the display device 100, thereby achieving the overall thinning of the display device 100.

In this embodiment, the back plate 12 of the insulating material is matched with the wall bracket 14 and the ground bracket 16 made of a conductive material to further meet various design requirements of the product. The number of the wall mounts 14 of the present embodiment is two, but is not limited thereto. For example, two U-shaped wall mount brackets may be connected, or more than two, depending on the need. The conductive material may be a metal or a conductive layer coated with an insulating material. The wall bracket 14 and the back panel 12 are respectively provided with a plurality of screw holes, and the wall supporting device (not shown) or the desktop supporting device (not shown) is locked on the back surface of the backboard 12 to facilitate hanging the display device 100. Set on the wall or on the table. The wall mount 14 can correspond to external stress applied to the display device 100 and increase the structural strength of the display device 100. The wall bracket 14 and the ground bracket 16 are fixed to the inner side of the back panel 12 and are also located between the back panel 12 and the backlight guiding module 40. The wall bracket 14 and the ground bracket 16 of the present embodiment are collectively referred to as a "bracket structure", and may be combined with the plastic back panel 12 to form a module body structure, which may be referred to as a back support structure 10. The grounding bracket 16 is electrically connected to the wall bracket 14 and a grounding circuit (not shown).

The display device 100 of the present embodiment further includes a first circuit board P1 and a second circuit board P2 fixed to the wall bracket 14, and in this embodiment, is disposed between the two wall brackets 14. The grounding lines of the first and second circuit boards P1 and P2 are electrically connected to the wall bracket 14. The number of circuit boards may be at least one, and may be, for example, a control circuit board, a transformer circuit board, or the like. About fixing the circuit boards P1, P2 In a manner, the auxiliary fixing member 15 may be further connected to the wall bracket 14 . As shown in FIG. 1 of the present embodiment, the auxiliary fixing members 15 are respectively connected to the inner sides of the two wall brackets 14 by way of two, and the circuit boards P1 and P2 are mounted on the auxiliary fixing members 15, for example, in a screw locking manner. The auxiliary fixing member 15 is preferably made of a conductive material, such as a metal plate member, and may be screwed to the wall bracket 14. The auxiliary fixing member 15 is not limited to the above-described manner, and may be integrally formed inwardly by the wall bracket 14.

In the present embodiment, the two wall mount brackets 14 are disposed in parallel on the back panel 12 and perpendicular to the bottom edge of the back panel 12. The grounding bracket 16 is perpendicular to the wall bracket 14 and is coupled to the bottom end of the second wall bracket 14 and is also attached to the backing plate 12.

The embodiment further includes a heat dissipation plate 18 disposed on the back plate 12, and the light source module 42 is disposed on the heat dissipation plate 18. The heat sink 18 is overlapped on the ground bracket 16 and located outside the wall bracket 14, as viewed in FIG. The light exiting direction of the light source module 42 is substantially perpendicular to the wall bracket 14 . With the above arrangement, the wall bracket 14 and the ground bracket 16 cooperate with the heat dissipation plate 18 to meet the heat conduction requirement.

2 is a cross-sectional view of a horizontal cross-sectional view of a display device in accordance with an embodiment of the present invention. In this embodiment, in order to achieve an Electro-Static discharge (ESD), at least one flexible conductive sheet 22 is provided on the inner side surface of the front frame 20. In this embodiment, four conductive sheets 22 are provided, which can overlap each other, but can also be arranged in a surrounding shape of a conductive sheet. The conductive sheet 22 is adjacent to the inner edge of the front frame 20 and extends into contact with the grounding bracket 16 (refer to FIG. 1, the lower conductive sheet 22 may extend to abut the grounding bracket 16). The conductive sheet 22 may be a conductive fabric tape. The conductive cloth has the advantage of good shielding effect in a dynamic friction environment. However, it is not limited thereto, and may be, for example, Conductive Gasket, Conductive Cushion, Conductive Tape, Metallic Foil, or the like. The conductive sheet 22 is preferably attached to the inner side surface of the front frame 20 in a circumferential manner. The inner edge of the front frame 20 is the position where the high voltage static electricity is most easily discharged to the display panel 30 by the air gap discharge. Therefore, in this embodiment, the conductive sheet 22 is disposed on the inner edge of the front frame 20, and the conductive sheet 22 is adjacent to the display panel 30 at the same time. Conductive The sheet 22 can direct static electricity to the metallic stent structure while avoiding damaging the electronic components around the display panel 30. Thereby, the plastic front frame 20 is coupled to the grounding bracket 16 in conjunction with the conductive sheet 22 to meet the antistatic requirement. The display device 100 further includes a plastic frame 50 disposed on the periphery of the back plate 12 for fixing the display panel 30, the backlight guiding module 40, the light source module 42, and the heat dissipation plate 18.

Please refer to FIG. 3, which is a perspective exploded view of a display device according to another embodiment of the present invention. The difference from the above embodiment is that the grounding bracket 16' cooperates with the light source module 42 in different directions to simultaneously serve as a heat dissipating component, and cooperates with the two wall mounting brackets 14'. The grounding bracket 16' has a heat dissipating portion 162' and is provided with a light source module 42 for dissipating heat from the light source module 42. An advantage of this embodiment is that the heat sink 18 of the above embodiment can be omitted. It can be understood that although the outer shape of the grounding bracket 16' of the present embodiment is similar to the heat dissipating component of the foregoing embodiment, it is not limited thereto, and the shape of the structural strength can be changed according to the design requirements of the structural strength, and only needs to be sufficiently distributed. The heat can be.

The front frame 20 and the back plate 12 made of insulating material are used as appearance parts, for example, by plastic injection molding, which can meet the requirements of thinning of the display device 100 and is suitable for the shape change of the curved surface, especially compared with the habit. Know the metal frame. Furthermore, the wall bracket and the ground bracket can be used as a metal bracket structure, and both structural strength and electrical characteristics can be achieved, and the design requirements of products such as electromagnetic interference prevention and antistatic can be achieved. With the heat sink, the heat transfer can be achieved.

The above are only the preferred embodiments of the present invention, and all changes and modifications made to the scope of the present invention should be within the scope of the present invention.

100‧‧‧ display device

10‧‧‧Back support structure

12‧‧‧ Backplane

14‧‧‧Wall bracket

15‧‧‧Auxiliary fixtures

16‧‧‧ Grounding bracket

18‧‧‧heat plate

20‧‧‧ front frame

22‧‧‧Conductor

30‧‧‧ display panel

40‧‧‧Backlight guide module

42‧‧‧Light source module

P1‧‧‧ first board

P2‧‧‧second circuit board

Claims (9)

A display device comprising: a back plate made of an insulating material; a front frame made of an insulating material and located in front of the back plate; and a wall hanging bracket made of a conductive material and disposed on the back plate; And a grounding bracket disposed on the backing plate, the grounding bracket is made of a conductive material and electrically connected to the wall mounting bracket, wherein the inner side of the front frame is provided with at least one flexible conductive sheet, the conductive sheet Adjacent to the inner edge of the front frame and extending into contact with the ground bracket. The display device of claim 1, further comprising at least one circuit board fixed to the wall bracket, the grounding line of the circuit board being electrically connected to the wall bracket. The display device of claim 2, further comprising an auxiliary fixing member connected to the wall bracket, the circuit board comprising a control circuit board and a transformer circuit board, and being mounted on the auxiliary fixing member. The display device according to claim 1, wherein the conductive sheet is a conductive cloth and is circumferentially attached to an inner side surface of the front frame. The display device of claim 1, wherein the number of the wall mounts is two, which are disposed in parallel on the back plate and perpendicular to a bottom edge of the back plate, the ground support is perpendicular to the two wall mounts and connected At the bottom end of the two wall mount brackets. The display device of claim 5, further comprising a heat dissipation plate disposed on the back plate, and a light source module disposed on the heat dissipation plate to provide a backlight, wherein the heat dissipation plate is overlapped with the ground support And located on one side of the pair of wall brackets, the light emitting direction of the light source module is substantially perpendicular to the wall bracket. The display device according to claim 1, wherein the grounding bracket is provided with a light source module and has a heat dissipating portion. A back support structure of a display device, comprising: a back plate, made of an insulating material; a wall-mounted bracket is made of a conductive material and is disposed on the backboard; and a grounding bracket is disposed on the backboard, the grounding bracket is made of a conductive material and is electrically connected to the wall bracket, and further includes at least one The circuit board is fixed to the wall bracket, and the grounding line of the circuit board is electrically connected to the wall bracket. The back support structure of claim 8 further includes a heat dissipation plate disposed on the back plate, the heat dissipation plate being overlapped on the ground support and located at one side of the wall mount.