CN101819345A - Display device - Google Patents

Abstract

The invention provides a display device, which includes a first frame and a backlight module. The first frame includes a first bottom frame with a hollow opening, a second bottom frame opposite to the first bottom frame, and a connecting side wall. The connecting side wall includes a first side wall and a second side wall oppositely arranged and a third side wall connecting the first side wall and the second side wall, and the connecting side wall connects the peripheral edge of the first bottom frame and the second bottom frame to form The first accommodating space and the first opening, wherein the first opening is disposed opposite to the third side wall, and at least one first positioning member is disposed on the first side wall and the second side wall. The backlight module is provided with at least one second positioning piece corresponding to the first positioning piece. The first positioning piece is combined with the second positioning piece to fix the backlight module in the first frame, wherein the backlight module is inserted into the first frame from the opening. the accommodating space or taken out from the first accommodating space. The display device of the present invention is assembled in a drawer-type assembly manner, and is positioned through a positioning member, so that the display device is conveniently assembled and disassembled.

Description

display device

technical field

The present invention relates to a display device, in particular to a display device adopting a drawer-type assembly method.

Background technique

In recent years, liquid crystal display devices have gradually occupied the mainstream of display products and gradually replaced traditional cathode ray tube display devices due to the advantages of light and thin volume, small space occupation, and low radiation. A liquid crystal display device generally includes a liquid crystal display panel and a surface light source, such as a backlight module, that provides sufficient and uniform brightness for the liquid crystal display panel.

Please refer to FIG. 1 . FIG. 1 is a three-dimensional exploded view of a liquid crystal display device in the prior art. The liquid crystal display device 1 includes an upper iron frame 2 , a liquid crystal panel 3 , a backlight module 4 and a lower frame 5 . The backlight module 4 provides planar light for the liquid crystal panel 3 . There is an opening 8 in the center of the upper iron frame 2 , and the opening 8 provides a window for the user to view the display screen of the liquid crystal panel 3 , and a plurality of notches 6 are arranged on the side wall of the upper iron frame 2 . The backlight module 4 includes a light guide plate and a lamp set. The lower frame 5 is a square frame body, which includes four side walls connected end to end and a bottom frame horizontally extending inward from these side walls, and a plurality of protrusions 7 are arranged on the side walls of the lower frame 5 . The liquid crystal panel 3 and the backlight module 4 are placed in the lower frame 5, and the upper iron frame 2 is covered on the lower frame 5, and is fastened with the protrusion 7 on the side wall of the lower frame 5 through the notch 6 on the side wall To accommodate the liquid crystal panel 3 and the backlight module 4 .

However, the above-mentioned upper iron frame 2 is generally formed by stamping a metal sheet, and the production cost is relatively high, which in turn makes the production cost of the liquid crystal display device 1 relatively high. Moreover, the liquid crystal display device 1 is assembled by using the hooks of the above-mentioned upper and lower frames or the engagement of the protrusions and the notches, which may have the following problems: (1) The matching precision of the protrusions and the notches is required to be high, otherwise it is easy to cause abnormal assembly; (2) It takes a long time to assemble, and it is difficult to disassemble, resulting in poor heavy-duty performance.

Contents of the invention

Therefore, one of the objectives of the present invention is to provide a display device, which uses a drawer-type assembly method to assemble the backlight module and the display panel, and coordinates the positioning through the positioning parts, so as to achieve the purpose of convenient assembly and disassembly of the display device.

To achieve the above purpose, the present invention provides a display device, which includes a first frame and a backlight module. The first frame includes a first bottom frame with a hollow opening, a second bottom frame opposite to the first bottom frame, and a connecting side wall. The connecting side wall includes a first side wall and a second side wall oppositely arranged and a third side wall connecting the first side wall and the second side wall, and the connecting side wall is sandwiched between the first bottom frame and the Between the second bottom frame and connecting the first bottom frame and the peripheral edge of the second bottom frame to form a first accommodating space and a first opening, wherein the first opening is set opposite to the third side wall, and the first bottom frame At least one first positioning member is disposed on the side wall and the second side wall. The backlight module is provided with at least one second positioning piece corresponding to the first positioning piece, and the first positioning piece is combined with the second positioning piece to fix the backlight module in the first frame, wherein the backlight module Put into the first accommodating space from the first opening or take it out from the first accommodating space.

Further, the display device further includes a display panel, the display panel is stacked on the backlight module, and the display panel faces the hollow opening.

Further, the display device further includes a display panel, the backlight module includes a second frame and a backlight unit, the second frame has a second accommodating space, the backlight unit and the display panel are stacked in the second accommodating space When the backlight module is put into the first accommodating space, the display panel faces the hollow opening, wherein the second positioning member is located on the side wall of the second frame.

Further, the first bottom frame is a hollow mouth-shaped frame.

Further, the second bottom frame is a hollow U-shaped frame.

Further, the first positioning part is a protrusion, and the second positioning part is a groove; or the first positioning part is a groove, and the second positioning part is a protrusion.

Further, the first frame is integrally made of metal material.

Further, the display device is a liquid crystal display device.

Further, the backlight unit includes a light source and an optical film set.

Further, the distance between the first bottom frame and the second bottom frame is equal to the thickness of the backlight module.

Compared with the prior art, the display device of the present invention uses a drawer-type assembly method to assemble the backlight module and the display panel, and coordinates the positioning through the first positioning member on the first frame body and the second positioning member on the backlight module. This makes the assembly and disassembly of the display device more convenient.

The advantages and spirit of the present invention can be further understood through the following detailed description of the invention and the accompanying drawings.

Description of drawings

FIG. 1 is an exploded schematic diagram of a liquid crystal display device in the prior art;

FIG. 2 is a schematic exploded view of a liquid crystal display device according to the present invention;

3A, 3B and 3C are schematic diagrams showing the assembly of the liquid crystal display device in FIG. 2;

Figure 4 is a schematic cross-sectional view of a partial structure of the first frame in Figure 2;

FIG. 5 is a schematic cross-sectional view of a partial structure of the display device in FIG. 2 .

Detailed ways

Please refer to FIG. 2 , which is an exploded view of a liquid crystal display device according to the present invention. The present invention provides a display device 10 including a first frame 11 , a backlight module 12 and a display panel 23 . The display device 10 is, for example, a liquid crystal display device, and the display panel 23 is, for example, a liquid crystal display panel. The first frame 11 includes a first bottom frame 16 having a hollow opening 15 , a second bottom frame 17 opposite to the first bottom frame 16 , and connecting side walls. Wherein, the first bottom frame 16 is, for example, a hollow mouth-shaped frame; or a hollow U-shaped frame. In this embodiment, the first bottom frame 16 is a hollow mouth-shaped frame as an example, but it is not limited thereto. Moreover, the first frame 11 is, for example, integrally formed by metal materials. Please refer to Fig. 3A-Fig. 5, Fig. 3A, Fig. 3B and Fig. 3C are the schematic diagrams showing the assembly of the liquid crystal display device in Fig. 2, and Fig. 4 is the schematic cross-sectional view showing the partial structure of the first frame in Fig. 2, Fig. 5 is a schematic cross-sectional view of a partial structure of the display device in FIG. 2 . The connecting side wall includes a first side wall 18 and a second side wall 19 opposite to each other and a third side wall 20 connecting the first side wall 18 and the second side wall 19 , and the connecting side wall is sandwiched between the first bottom frame 16 Between the second bottom frame 17 and the peripheral edges connecting the first bottom frame 16 and the second bottom frame 17 to form a first accommodating space A and a first opening B, wherein the first opening B is opposite to the third side wall 20 , and at least one first positioning member 21 is provided on the first side wall 18 and the second side wall 19. In this embodiment, a first positioning member 21 is provided on the second side wall 19, but this is not the case As a limit, the first positioning member 21 can be provided on the first side wall 18 and the second side wall 19 at the same time, and the number is not limited, it is better to facilitate assembly. The backlight module 12 is provided with at least one second positioning piece 22 corresponding to the first positioning piece 21, and the first positioning piece 21 is combined with the second positioning piece 22 to fix the backlight module 12 in the first frame 11, wherein the backlight The module 12 is put into the first accommodating space A through the first opening B or taken out from the first accommodating space A. The first positioning member 21 is, for example, a protrusion, and the corresponding second positioning member 22 is, for example, a groove; or the first positioning member 21 is, for example, a groove, and the corresponding second positioning member 22 is, for example, a protrusion. But it is not limited to this, it only needs to meet the requirement that after the backlight module 12 is inserted into the first accommodating space A, the first positioning member 21 and the second positioning member 22 can be combined to position the backlight module 12 in the first frame 11 . As in this embodiment, the first positioning member 21 protrudes toward the first accommodating space A, and the corresponding second positioning member 22 is recessed to cooperate with the first positioning member 21 .

In the present invention, the display panel 23 can be placed on the first frame body 11 , that is, only the backlight module 12 is inserted into the first accommodating space A through the first opening B. As shown in FIG. At this time, in order to better assemble the display device 10, the distance between the first bottom frame 16 and the second bottom frame 17 is equal to the thickness of the backlight module 12, of course, the distance between the first bottom frame 16 and the second bottom frame 17 The distance can also be greater than the thickness of the backlight module 12 .

But it is not limited to this, the display panel 23 can also be stacked on the backlight module 12, that is, the display panel 23 is first placed on the backlight module 12 and inserted into the first opening B together with the backlight module 12. The first accommodating space A, and the display panel 23 faces the hollow opening 15 . Preferably, the distance between the first bottom frame 16 and the second bottom frame 17 is equal to the thickness of the backlight module 12 and the display panel 23, of course, the distance between the first bottom frame 16 and the second bottom frame 17 can also be greater than The thickness of the backlight module 12 and the display panel 23 .

Please continue to refer to FIG. 2. In this embodiment, the backlight module 12 includes a second frame 13 and a backlight unit 14. The second frame 13 has a second accommodating space C. The backlight unit 14 and the display panel 23 are stacked in the second accommodating space. The display panel 23 faces the hollow opening 15 when the backlight module 12 is placed in the first accommodating space A, and the second positioning member 22 is located on the side wall of the second frame 13 . When assembling, the display panel 23 is stacked on the backlight unit 14 first, and placed in the second accommodation space C of the second frame 13, and then the combination of the backlight module 12 and the display panel 23 is inserted through the first opening B The combination of the backlight module 12 and the display panel 23 is positioned in the first frame 11 through the combination of the first positioning member 21 and the second positioning member 22 in the first accommodation space A. Moreover, the backlight unit 14 also includes a light source and an optical film group, etc., and the optical film group is used to uniformize the light emitted by the light source.

Compared with the prior art, the display device of the present invention uses a drawer-type assembly method to assemble the backlight module and the display panel, and coordinates the positioning through the first positioning member on the first frame body and the second positioning member on the backlight module. This makes the assembly and disassembly of the display device more convenient.

Through the above detailed description of the preferred embodiments, it is hoped that the characteristics and spirit of the present invention can be described more clearly, and the protection scope of the present invention is not limited by the preferred embodiments disclosed above. On the contrary, the intention is to cover various changes and equivalent arrangements within the protection scope of the appended claims of the present invention. Therefore, the protection scope of the claims applied for in the present invention should be interpreted in the broadest way based on the above description, so as to cover all possible changes and equivalent arrangements.

Claims (10)

1. A display device, characterized in that the display device comprises The first frame, which includes The first bottom frame has a hollow opening; a second bottom frame opposite the first bottom frame; and The connecting side wall includes a first side wall and a second side wall oppositely arranged and a third side wall connecting the first side wall and the second side wall, and the connecting side wall is sandwiched between the first bottom frame and the second side wall Between the second bottom frame and connecting the first bottom frame and the peripheral edge of the second bottom frame, a first accommodating space and a first opening are formed, wherein the first opening is opposite to the third side wall, and the At least one first positioning member is disposed on the first side wall and the second side wall; and The backlight module is provided with at least one second positioning member corresponding to the first positioning member, and the first positioning member is combined with the second positioning member to fix the backlight module in the first frame, wherein the backlight module The group is put into the first accommodating space or taken out from the first accommodating space through the first opening. 2. The display device according to claim 1, further comprising a display panel, the display panel is stacked on the backlight module, and the display panel faces the hollow opening. 3. The display device according to claim 1, wherein the display device further comprises a display panel, the backlight module includes a second frame and a backlight unit, the second frame has a second accommodation space, the backlight unit and the backlight unit The display panel is stacked in the second accommodating space, and when the backlight module is placed in the first accommodating space, the display panel faces the hollow opening, wherein the second positioning member is located on the side wall of the second frame superior. 4. The display device according to claim 1, wherein the first bottom frame is a hollow mouth-shaped frame. 5. The display device according to claim 1, wherein the second bottom frame is a hollow U-shaped frame. 6. The display device according to claim 1, wherein the first positioning member is a protrusion, and the second positioning member is a groove; or the first positioning member is a groove, and the second positioning member is a protrusion rise. 7. The display device as claimed in claim 1, wherein the first frame is integrally made of metal material. 8. The display device as claimed in claim 1, wherein the display device is a liquid crystal display device. 9. The display device as claimed in claim 1, wherein the backlight unit comprises a light source and an optical film set. 10. The display device as claimed in claim 1, wherein the distance between the first bottom frame and the second bottom frame is equal to the thickness of the backlight module.

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