CN102998822A - Display device - Google Patents

Abstract

The invention provides a display device which comprises a liquid crystal panel and a back light source arranged on one side of the back surface of the liquid crystal panel, wherein the back surface of the liquid crystal panel and the back light source are detachably connected together through a buckle. The display device provided by the invention solves the problems of high cost, complex technology, dismounting and maintaining difficulty and the like in the design of a frame-free display device, and is low in cost, simple in structure, simple and convenient in production technology, and relatively easy to detach and maintain.

Description

display device

technical field

The invention relates to a pointing device which uses a static method to display variable information, in particular to a display device.

Background technique

With the continuous innovation of display technology, displays are developing rapidly towards thinner body, narrower edge, and lighter weight. The current flat-panel displays basically include a liquid crystal panel, a front frame covering the front of the liquid crystal panel, and a back plate arranged on the back of the liquid crystal panel. The front frame is connected to the back plate to limit or fix the liquid crystal panel.

In recent years, a display with a frameless structure has been welcomed by many people because of its simple and elegant appearance. There are two main structures of the frameless display: one is to paste the LCD panel on the middle frame or back panel with glue; the other is to paste a hanging ring on the edge of the back of the LCD panel, and The mouth frame connects the hanging ring and the back panel together.

Although the above two structures can realize the frameless design of the display, they both have disadvantages: the first type of pasting connection will make it difficult to disassemble when repairing, and the LCD panel is likely to be damaged when the LCD panel is disassembled; the second type of pasting and hanging Connecting the back of the ring with a tongue-and-groove frame leads to a complicated assembly process, high processing costs, and poor process reliability. At the same time, it is the same as the first method, and it is difficult to maintain.

Contents of the invention

The purpose of the present invention is to provide a display device that can solve the problems of high cost, complicated process, difficult disassembly and maintenance in the design of a frameless display device.

The display device of the present invention comprises a liquid crystal panel and a backlight arranged on the back side of the liquid crystal panel, and the back of the liquid crystal panel and the backlight are detachably connected together by buckles.

In the display device of the present invention, the back of the backlight is further provided with a back plate for wrapping the liquid crystal panel, and the side end faces of the back plate are in the same plane as the front of the liquid crystal panel.

In the display device of the present invention, the width of the buckle is 5 mm, and the buckle is an opaque nylon buckle.

In the display device of the present invention, the backlight source includes a light guide plate and a module frame surrounding the light guide plate, and the back of the liquid crystal panel is detachably connected to the module frame through buckles.

In the display device of the present invention, the module frame is a flexible module frame.

In the display device of the present invention, the buckle includes a first button body and a second button body mated with the first button body, and the first button body is connected to the module frame facing the On the surface of the liquid crystal panel, the second button is connected to the back of the liquid crystal panel, and through the cooperation of the first button and the second button, the back of the liquid crystal panel is connected to the module frame Detachably connected together.

In the display device of the present invention, the first button body includes a flexible first belt connected to the surface of the module frame facing the liquid crystal panel, and the first belt is vertically arranged with multiple a first protrusion extending toward the liquid crystal panel, the second button body includes a flexible second belt connected to the back of the liquid crystal panel, and a plurality of flexible belts are vertically arranged on the second belt The second protrusions extending from the module frame extend into the gaps between the plurality of second protrusions through the plurality of first protrusions and the plurality of second protrusions respectively extend into the plurality of the second protrusions. The gap between the first protrusions, the first button body is matched with the second button body.

In the display device of the present invention, the first protrusion includes a first column with one end vertically connected to the first belt and extending toward the liquid crystal panel, and a second column connected to the other end of the first column. A sphere, the diameter of the first sphere is larger than the diameter of the first column, and the second protrusion includes a second column with one end vertically connected to the second belt and extending toward the module frame body and a second sphere connected to the other end of the second cylinder, the diameter of the second sphere is greater than the diameter of the second cylinder, and the first sphere is limited by the second sphere The gap between the two second cylinders and the gap between the first cylinders and the second sphere are limited by the first sphere, the first button and the second button Physical fit.

In the display device of the present invention, the module frame includes a plurality of brackets connected end to end, the first buckle body of the buckle is connected to the surface of the bracket facing the liquid crystal panel, and the buckle The second button body is connected to the position corresponding to the first button body on the back of the liquid crystal panel.

In the display device of the present invention, the module frame is rectangular and includes a first support, a second support, a third support and a fourth support connected end to end, and the fourth support is close to the driving circuit of the display device, so The first bracket and the third bracket are respectively perpendicular to the fourth bracket, there are multiple buckles, and the first buckle bodies of the multiple buckles are connected to one or the other of the module frame. On the surfaces of the plurality of brackets facing the liquid crystal panel, the second buttons of the plurality of buckles are connected to corresponding positions on the back of the liquid crystal panel.

In the display device of the present invention, the first button bodies of the plurality of buckles are respectively distributed on the first bracket and the third bracket, and the second buckles of the plurality of buckles The bodies are respectively connected to the corresponding positions on the back of the liquid crystal panel, and through the one-to-one correspondence between the first button and the second button, the back of the liquid crystal panel and the module frame are detachable racks are connected together.

In the display device of the present invention, the first button bodies of the plurality of hasps are respectively distributed on the first support, the third support and the fourth support, and the plurality of hasps The second button body of the button is respectively connected to the corresponding position on the back of the liquid crystal panel, through the one-to-one correspondence between the first button body and the second button body, the back of the liquid crystal panel and the The above module boxes are connected together by detachable racks.

In the display device of the present invention, wherein the first buttons of the plurality of buckles are respectively distributed on the first bracket, the second bracket, the third bracket and the fourth bracket Above, the second button bodies of the plurality of hasps are respectively connected to the corresponding positions on the back of the liquid crystal panel, and through the one-to-one correspondence between the first button body and the second button body, the The back of the liquid crystal panel is connected with the detachable frame of the module frame.

The display device of the present invention solves the problems of high cost, complicated process, and difficult disassembly and maintenance in the design of the frameless display device. The display device of the present invention is low in cost, simple in structure, simple in production process, and relatively easy in disassembly and maintenance.

Description of drawings

FIG. 1 is a schematic exploded view of Embodiment 1 of the display device of the present invention;

Fig. 2 is a partial enlarged view of A in Fig. 1;

FIG. 3 is a schematic diagram of the connection between the liquid crystal panel and the backlight in FIG. 1;

Fig. 4 is a schematic diagram of the cooperative connection between the first button body and the second button body;

5 is a front view of a schematic structural view of the backlight in Embodiment 1 of the display device of the present invention, showing the arrangement position of the first button;

6 is a front view of a schematic structural view of the backlight in Embodiment 1 of the display device of the present invention, showing the arrangement position of the first button;

7 is a front view of a schematic structural view of the backlight in Embodiment 1 of the display device of the present invention, showing the arrangement position of the first button.

Detailed ways

Embodiment one

As shown in FIG. 1 , FIG. 2 , and FIG. 3 , the display device of the embodiment of the present invention includes a liquid crystal panel 1 and a backlight 2 disposed on the back side of the liquid crystal panel 1 . Wherein, the back of the liquid crystal panel 1 is detachably connected with the module frame 4 through the buckle 5 . In order to strengthen the structural strength, a back plate for wrapping the liquid crystal panel 1 is also provided on the back of the backlight source 2 . The back plate 10 forms an accommodating cavity for wrapping the backlight source 2 and the liquid crystal panel 1. Since the back of the liquid crystal panel 1 is detachably connected to the module frame 4 through the buckle 5, the front of the liquid crystal panel 1 does not need a frame, and the back plate 10 The end face of the side 9 and the front face of the liquid crystal panel 1 are in the same plane, thereby realizing the frameless design of the display device.

In other embodiments of the present invention, in order to strengthen the protection of the liquid crystal panel, the side of the back plate can also extend to the front of the liquid crystal panel 1 with a smaller width.

The front of the liquid crystal panel 1 is also covered with an upper polarizer 71 , and the back of the liquid crystal panel 1 is covered with a lower polarizer 72 .

In the display device of the embodiment of the present invention, the backlight source 2 includes a light guide plate 3 and a module frame 4 surrounding the light guide plate 3 . The back of the liquid crystal panel 1 is detachably connected with the module frame 4 .

In the display device of the embodiment of the present invention, the module frame 4 is a flexible module frame, which makes it more convenient to connect and disassemble with the back of the liquid crystal panel 1 . In this way, when the liquid crystal panel 1 is disassembled, the liquid crystal panel 1 can be placed downwards, and then the module frame 4 can be bent to gradually untie the hasp 5 to remove the entire liquid crystal panel 1 .

In the display device according to the embodiment of the present invention, the buckle 5 is an opaque nylon buckle with a width of 5 mm, for example, the SJ3551 buckle of the 3M trademark. Specifically, the buckle 5 includes a first button body 11 and a second button body 12 mated with the first button body 11 . The first button body 11 is connected to the face of the module frame 4 facing the liquid crystal panel 1, and the second button body 12 is connected to the back side of the liquid crystal panel 1, and through the cooperation of the first button body 11 and the second button body 12, the liquid crystal panel The back of 1 is detachably connected with module frame 4.

The display device of the present invention detachably connects the liquid crystal panel and the module frame through the buckle, and its structure is simple, because the connection and disassembly of the buckle are relatively convenient, so the disassembly and installation of the liquid crystal panel and the module frame are relatively easy. At the same time, the display device of the present invention has low cost, simple structure and very convenient production process.

As shown in FIG. 4 , the display device according to the embodiment of the present invention, wherein the first button body 11 includes a flexible first belt body 21 connected to the surface of the module frame 4 facing the liquid crystal panel 1 , the first belt body 21 A plurality of first protrusions 31 extending toward the liquid crystal panel 1 are vertically arranged on the top. The second buckle 12 includes a flexible first strip 22 connected to the back of the liquid crystal panel 1. A plurality of second protrusions 32 extending toward the module frame 4 are vertically arranged on the first strip 21. A protrusion 31 respectively extends into the space between the plurality of second protrusions 32 and a plurality of second protrusions 32 respectively extends into the space between the plurality of first protrusions 31, the first button body 11 and the second button body Body 12 cooperates.

In the display device according to the embodiment of the present invention, the first protrusion 31 includes a first column 41 whose end is vertically connected to the first strip and extends toward the liquid crystal panel 1 , and a first column connected to the other end of the first column 41 . A sphere 51 . The diameter of the first sphere 51 is larger than the diameter of the first cylinder 41 . The second protrusion 32 includes a second cylinder 42 with one end vertically connected to the second belt 22 and extending toward the module frame 4 and a second ball 52 connected to the other end of the second cylinder 42. The second ball 52 The diameter is greater than the diameter of the second cylinder 42 . The first sphere 51 is limited by the second sphere 52 to the gap between the plurality of second cylinders 42 and the second sphere 52 is limited by the first sphere 51 to the gap between the plurality of first cylinders 41 , the first button The body 11 cooperates with the second button body 12 .

As shown in FIG. 5 , in the display device of the embodiment of the present invention, the module frame 4 includes a plurality of brackets connected end to end, and the first button body 11 of the buckle 5 is connected to the surface of the bracket facing the liquid crystal panel 1 . The second button body 12 of the buckle 5 is connected to the position corresponding to the first button body 11 on the back of the liquid crystal panel 1 .

Specifically, in the display device of the embodiment of the present invention, the module frame 4 is rectangular and includes a first bracket 61 , a second bracket 62 , a third bracket 63 and a fourth bracket 64 connected end to end. Wherein, the fourth bracket 64 is close to the driving circuit 80 of the display device, and the first bracket 61 and the third bracket 63 are respectively perpendicular to the fourth bracket 64 . Hasp 5 is a plurality of.

The first button body 11 of a plurality of hasps 5 is connected to the face of one or more brackets 6 of the module frame 4 facing the liquid crystal panel 1, and the second button body 12 of a plurality of hasps 5 is connected to the surface of the liquid crystal panel 1. Corresponding position on the back.

Specifically, the first button bodies 11 of the plurality of hasps 5 are respectively distributed on the first bracket 61 and the third bracket 63, and the second button bodies 12 of the plurality of hasps 5 are connected to the back of the liquid crystal panel 1 respectively. The corresponding positions of the liquid crystal panel 1 and the module frame 4 are detachably connected through the one-to-one matching of the first button body 11 and the second button body 12 .

Embodiment two

Compared with the first embodiment, this embodiment is only different in the arrangement position of the hasp on the module frame.

As shown in FIG. 6 , in the display device according to the embodiment of the present invention, the first buttons 11 of the plurality of buckles 5 are respectively distributed on the first support 61 , the third support 63 and the fourth support 64 . The second button body 12 of the buckle 5 is respectively connected to the corresponding position on the back side of the liquid crystal panel 1, and the back side of the liquid crystal panel 1 is connected to the module frame 4 by the one-to-one correspondence between the first button body 11 and the second button body 12. Detachably connected together.

Embodiment Three

Compared with Embodiment 1 and Embodiment 2, this embodiment is only different in the arrangement position of the hasp on the module frame.

As shown in FIG. 7 , in the display device according to the embodiment of the present invention, the first buckle bodies 11 of the plurality of buckles 5 are respectively distributed on the first support 61 , the second support 62 , the third support 63 and the fourth support. On the support 64, the second button bodies 12 of a plurality of hasps 5 are respectively connected to corresponding positions on the back side of the liquid crystal panel 1, and through the one-to-one matching of the first button body 11 and the second button body 12, the liquid crystal panel 1 The back is detachably connected with the module frame 4 .

When assembling the display device of the present invention according to the above-mentioned embodiments, the buckles combined can be pasted on the surface of the module frame first, and then after the module frame is placed, the liquid crystal panel and the other side of the buckle can be glued together. catch.

The above is only a preferred embodiment of the present invention, it should be pointed out that for those skilled in the art, without departing from the principle of the present invention, some improvements and modifications can also be made, and these improvements and modifications are also It should be regarded as the protection scope of the present invention.

Claims (13)

1. A display device, comprising a liquid crystal panel, a backlight arranged on the back side of the liquid crystal panel, characterized in that, the back side of the liquid crystal panel and the backlight are detachably connected together by a buckle. 2. The display device according to claim 1, wherein the back side of the backlight source is also provided with a back plate for wrapping the liquid crystal panel, and the end faces of the sides of the back plate are in contact with the sides of the liquid crystal panel. The fronts are on the same plane. 3 . The display device according to claim 1 , wherein the width of the buckle is 5 mm, and the buckle is an opaque nylon buckle. 4 . 4. The display device according to claim 1, wherein the backlight source comprises a light guide plate and a module frame surrounding the light guide plate, and the back of the liquid crystal panel and the module frame can be connected by buckles. Disassembled and connected together. 5. The display device according to claim 4, wherein the module frame is a flexible module frame. 6. The display device according to claim 5, wherein the buckle comprises a first button body and a second button body mated with the first button body, the first button body is connected to the The surface of the module frame facing the liquid crystal panel, the second button is connected to the back of the liquid crystal panel, through the cooperation of the first button and the second button, the liquid crystal panel The back of the module is detachably connected with the module frame. 7. The display device according to claim 6, wherein the first button body comprises a flexible first belt connected to the surface of the module frame facing the liquid crystal panel, the first button A plurality of first protrusions extending toward the liquid crystal panel are vertically arranged on the belt body, the second button body includes a flexible second belt body connected to the back of the liquid crystal panel, and the second belt body A plurality of second protrusions extending toward the module frame are arranged vertically on the top, through which the plurality of first protrusions respectively extend into the gaps between the plurality of second protrusions and the plurality of second protrusions. The protrusions respectively extend into the gaps between the plurality of first protrusions, and the first button body cooperates with the second button body. 8. The display device according to claim 7, wherein the first protrusion comprises a first column with one end vertically connected to the first belt and extending toward the liquid crystal panel, and a first column connected to the first strip. A first sphere at the other end of a cylinder, the diameter of the first sphere is larger than the diameter of the first cylinder, and the second protrusion includes one end vertically connected to the second belt and extending toward the The second cylinder extending from the module frame and the second sphere connected to the other end of the second cylinder, the diameter of the second sphere is larger than the diameter of the second cylinder, and the second sphere is drawn by the first sphere The second sphere is limited to the gap between the plurality of second cylinders and the second sphere is limited to the gap between the plurality of first cylinders by the first sphere, and the first The button body cooperates with the second button body. 9. The display device according to any one of claims 4-8, wherein the module frame includes a plurality of brackets connected end to end, and the first buckle body of the buckle is connected to the brackets of the brackets. On the surface facing the liquid crystal panel, the second button body of the buckle is connected to a position corresponding to the first button body on the back of the liquid crystal panel. 10. The display device according to claim 9, wherein the module frame is rectangular and includes a first bracket, a second bracket, a third bracket and a fourth bracket connected end to end, the fourth bracket Close to the drive circuit of the display device, the first support and the third support are respectively perpendicular to the fourth support, there are multiple buckles, and the first buckle bodies of the multiple buckles are connected to On the surface of one or more brackets of the module frame facing the liquid crystal panel, the second buckle bodies of the plurality of buckles are connected to corresponding positions on the back of the liquid crystal panel. 11. The display device according to claim 10, wherein the first buttons of the plurality of buckles are respectively distributed on the first bracket and the third bracket, and the plurality of buckles The second button body of the buckle is respectively connected to the corresponding position on the back of the liquid crystal panel, through the one-to-one correspondence between the first button body and the second button body, the back of the liquid crystal panel and the The modular boxes are connected together by detachable racks. 12. The display device according to claim 10, wherein the first buttons of the plurality of buckles are respectively distributed on the first support, the third support and the fourth support. On the bracket, the second button bodies of the plurality of hasps are respectively connected to the corresponding positions on the back of the liquid crystal panel, and through the one-to-one correspondence between the first button body and the second button body, The back of the liquid crystal panel is connected with the detachable frame of the module frame. 13. The display device according to claim 10, wherein the first buttons of the plurality of buckles are respectively distributed on the first bracket, the second bracket, and the third bracket. On the bracket and on the fourth bracket, the second button bodies of the plurality of hasps are respectively connected to the corresponding positions on the back of the liquid crystal panel, through the first button body and the second button One-to-one matching of the body, the back of the liquid crystal panel is connected with the detachable frame of the module frame.

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