Shading structure for liquid crystal display (LCD) panel and backlight module

Abstract

The utility model discloses a shading structure for a liquid crystal display (LCD) panel and a backlight module, and particularly relates to the technical field of shading structures, the shading structure comprises a frame-shaped shading strip, a fixing frame is sleeved on the outer side of the frame-shaped shading strip, the fixing frame comprises four side plates, the four side plates are all detachably connected with the frame-shaped shading strip, and the four side plates are connected with the frame-shaped shading strip. Adhesive layers are adhered to the surfaces of the inner walls of the four side plates, the frame-shaped shading strips comprise two first shading strips and two second shading strips, and silica gel pads are fixedly arranged at the tops and the bottoms of the two first shading strips and the tops and the bottoms of the two second shading strips. The shading structure is formed by the frame-shaped shading strip and the fixing frame, shading is carried out between the LCD panel and the backlight module, light leakage is avoided, the fixing frame is arranged, the auxiliary positioning effect can be achieved, the installation efficiency of the shading structure is further improved, meanwhile, the silica gel pad on the frame-shaped shading strip can buffer external impact force, and the shading effect is good. And the damage of the LCD panel and the backlight module caused by collision or extrusion is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a light -shielding structure for LCD panel and backlight module. BACKGROUND

[0002] The light emitted by the backlight module is uniformly irradiated to the LCD panel after being processed by a series of optical components, and the LCD panel modulates and processes the light by controlling the arrangement of liquid crystal molecules and the transmission of light, and finally forms the image we see. The cooperative work of the two is crucial to realize high-quality display effect. In order to improve the light leakage of the backlight module and improve the display effect of the display device, the prior art sets a light shielding structure on the backlight module, which uses the light shielding structure to shield the light at the edge of the backlight module and the LCD panel.

[0003] For example, the prior art with publication number CN216287352U discloses a light shielding structure and a backlight module, which covers the light emitting area of the backlight module body by splicing the long side adhesive tape and the short side adhesive tape, thereby realizing light shielding and light absorption of the bright edge, and preventing light leakage during display.

[0004] However, the above-mentioned prior art has the following problems when in use: the position of the traditional light shielding strip cannot be quickly positioned during installation, and a large amount of time is required for installation, and the light shielding strip is hard in material, so that the LCD panel is easily squeezed against the light shielding strip and the backlight module when colliding, causing damage and affecting the service life. Based on this, the utility model provides a light shielding structure for LCD panel and backlight module. UTILITY MODEL CONTENTS

[0005] In order to overcome the above-mentioned defects of the prior art, the utility model provides a light shielding structure for LCD panel and backlight module, which is composed of a frame-shaped light shielding strip and a fixed frame to shield light between the LCD panel and the backlight module, avoid light leakage, and the fixed frame can assist in positioning, thereby improving the installation efficiency of the light shielding structure. At the same time, the silica gel pad on the frame-shaped light shielding strip can buffer external impact force, reduce damage to the LCD panel and the backlight module caused by collision or squeezing, so as to solve the problems in the above-mentioned background technology.

[0006] To achieve the above object, the utility model provides the following technical scheme: A shading structure for LCD panel and backlight module, including frame shading strip, the fixed frame is equipped with outside the frame shading strip, the fixed frame includes four side plates, four side plates all are with frame shading strip detachable connection, four side plate inner wall surface all are bonded with the adhesive layer, the frame shading strip includes two first shading strips and two second shading strips, two first shading strip top and bottom, two second shading strip top and bottom all are fixedly equipped with silica gel pad, and this silica gel pad plays the buffering effect between frame shading strip and LCD panel and backlight module.

[0007] In a preferred embodiment, two first shading strip top and bottom, two second shading strip top and bottom all are fixedly equipped with rubber sealing strip, and the rubber sealing strip is arranged in the inner side of silica gel pad, be used for improving the sealing between first shading strip, second shading strip and LCD panel and backlight module.

[0008] In a preferred embodiment, each side plate top is processed with air hole, the air hole number is a plurality, and the plurality of air holes are linear array distribution on the side plate top, through the setting of a plurality of air holes, the heat dissipation of backlight module and LCD panel can be improved to a certain extent.

[0009] In a preferred embodiment, each side plate outer wall surface is processed with two mounting holes, the mounting hole is staggered distribution with air hole, and each mounting hole is equipped with fastening bolt one inside, a plurality of side plates are detachably connected with first shading strip and second shading strip through fastening bolt one respectively, convenient for staff to install and dismount the side plate.

[0010] In a preferred embodiment, the outer wall of two first shading strips and the outer wall of two second shading strips are processed with a plurality of insertion grooves, and the inner wall of each side plate is fixedly provided with a plurality of insertion blocks matched with the insertion grooves.

[0011] In a preferred embodiment, two first shading strips and two second shading strips are detachably connected through a plurality of fastening bolts two, the first shading strip and the second shading strip are black shading pieces, and each side plate is a heat conducting plate, so that the side plate has heat conductivity, which can improve the heat dissipation of the LCD panel and the side plate to a certain extent.

[0012] In a preferred embodiment, both ends of the two first shading strips are processed with positioning holes, and the side close to each other of the two second shading strips is fixedly provided with two positioning rods matched with the positioning holes.

[0013] The technical effects and advantages of the utility model are as follows:

[0014] 1、 the utility model discloses a frame -shaped light -shielding strip and fixed frame constitute shading structure, this shading structure carries out shading between LCD panel and backlight module, avoids the light leakage when displaying, the setting of fixed frame can play supplementary positioning effect, and then improves the installation efficiency of shading structure, simultaneously, the silica gel pad on frame -shaped light -shielding strip can buffer external impact force, reduces the damage of LCD panel and backlight module due to collision or extrusion.

[0015] 2、 by adopting the heat conduction plate to make the side plate, and a plurality of air holes are arranged on the top of the side plate, which can improve the heat dissipation of the side plate, and improve the heat dissipation of the backlight module and the LCD panel to a certain extent, and the rubber sealing strip can improve the sealing property between the frame-shaped light-shielding strip and the backlight module and the LCD panel. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the whole structure schematic view of the utility model;

[0017] Figure 2 It is the whole structure plan view of the utility model;

[0018] Figure 3 It is the whole structure explosion drawing of the utility model;

[0019] Figure 4 It is the second light -shielding strip section view of the utility model;

[0020] Figure 5 It is the side plate structure schematic view of the utility model.

[0021] The figure mark is: 1, frame -shaped light -shielding strip;2, fixed frame;3, rubber sealing strip;4, air hole;5, mounting hole;6, fastening bolt one;7, slot;8, plug;9, fastening bolt two;10, positioning hole;11, positioning rod;

[0022] 101, first light -shielding strip;102, second light -shielding strip;103, silica gel pad;

[0023] 201, side plate;202, adhesive layer. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0025] Referring to the drawings accompanying Figures 1-5 The utility model provides a shading structure for LCD panel and backlight unit, including frame shading strip 1, frame shading strip 1 includes two first shading strip 101 and two second shading strip 102, first shading strip 101 and second shading strip 102 are all black shading sheet, two first shading strip 101 with two second shading strip 102 are detachably connected through a plurality of fastening bolt no.

[0026] Then, fixed frame 2 is equipped outside frame shading strip 1, fixed frame 2 includes four side plates 201, and each side plate 201 is heat conduction plate, and side plate 201 has heat conductivity, and this can improve the heat dissipation of LCD panel and side plate 201 to a certain extent, four side plates 201 are detachably connected with frame shading strip 1, and the inner wall surface of four side plates 201 is all bonded with adhesive layer 202, and the top and bottom of two first shading strip 101 and the top and bottom of two second shading strip 102 are fixedly provided with silica gel pad 103, which plays a buffering role between frame shading strip 1 and LCD panel and backlight unit.

[0027] The outer wall surface of each side plate 201 is processed with two mounting holes 5, and the inside of each mounting hole 5 is provided with fastening bolt one 6, and a plurality of side plates 201 are detachably connected with first shading strip 101 and second shading strip 102 through fastening bolt one 6, and the outer wall of two first shading strip 101 and the outer wall of two second shading strip 102 are processed with slot 7, and the inner wall of each side plate 201 is fixedly provided with the plug block 8 matched with the slot 7, and the plug block 8 is inserted with the slot 7, and the plug block 8 and the slot 7 are inserted, which facilitates the staff to quickly install the side plate 201.

[0028] In actual use, first, the two first light-shielding strips 101 and the two second light-shielding strips 102 are assembled into a frame-shaped light-shielding strip 1, then the four side plates 201 are fixed on the outer wall of the frame-shaped light-shielding strip 1, and then the light-shielding structure can be assembled with the LCD panel and the backlight module. Since the mounting groove is formed between the four side plates 201 and the frame-shaped light-shielding strip 1, the staff can directly place the LCD panel and the backlight module above and below the frame-shaped light-shielding strip 1, and press the two to be bonded with the adhesive layer 202 on the inner wall of the side plate 201. The structure is simple, and the assembly is very fast. The frame-shaped light-shielding strip 1 is used to shield light between the LCD panel and the backlight module, so as to avoid light leakage during display. At the same time, the silica gel pad 103 is soft, which can buffer external impact force and reduce damage to the LCD panel and the backlight module caused by collision or extrusion.

[0029] In the embodiment, the air vent 4 is arranged on the top of each side plate 201, and the air vent 4 is linearly arranged on the top of the side plate 201, and the air vent 4 is distributed away from the two mounting holes 5. Through the arrangement of the air vent 4, the heat dissipation of the backlight module and the LCD panel can be improved to a certain extent.

[0030] Referring to the drawings accompanying the specification Figures 1-5 The top and bottom of the two first light-shielding strips 101 and the top and bottom of the two second light-shielding strips 102 are fixedly provided with rubber sealing strips 3, and the rubber sealing strips 3 are arranged on the inner side of the silica gel pad 103, so as to improve the sealing between the first light-shielding strip 101, the second light-shielding strip 102 and the LCD panel and the backlight module.

[0031] Finally, the above description is only preferred embodiments of the present application and is not used to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A light-shielding structure for LCD panels and backlight modules, comprising a frame-shaped light-shielding strip (1), characterized in that: The frame-shaped light-shielding strip (1) is fitted with a fixed frame (2) on the outside. The fixed frame (2) includes four side plates (201). All four side plates (201) are detachably connected to the frame-shaped light-shielding strip (1). The inner wall surfaces of the four side plates (201) are all bonded with adhesive layers (202). The frame-shaped light-shielding strip (1) includes two first light-shielding strips (101) and two second light-shielding strips (102). The top and bottom of the two first light-shielding strips (101) and the top and bottom of the two second light-shielding strips (102) are all fixedly provided with silicone pads (103). The silicone pads (103) play a buffering role between the frame-shaped light-shielding strip (1) and the LCD panel and backlight module.

2. The light-shielding structure for an LCD panel and a backlight module according to claim 1, characterized in that: Rubber sealing strips (3) are fixedly provided on the top and bottom of the two first light-shielding strips (101) and the top and bottom of the two second light-shielding strips (102), and the rubber sealing strips (3) are located inside the silicone pad (103) to improve the sealing between the first light-shielding strips (101), the second light-shielding strips (102) and the LCD panel and the backlight module.

3. A light-shielding structure for an LCD panel and a backlight module according to claim 1, characterized in that: Each side plate (201) has a ventilation hole (4) on its top. There are multiple ventilation holes (4), and the multiple ventilation holes (4) are distributed in a linear array on the top of the side plate (201).

4. A light-shielding structure for an LCD panel and a backlight module according to claim 3, characterized in that: Two mounting holes (5) are machined on the outer wall surface of each side plate (201). The mounting holes (5) are staggered from the ventilation holes (4). Each mounting hole (5) is equipped with a fastening bolt (6). Multiple side plates (201) are detachably connected to the first light-shielding strip (101) and the second light-shielding strip (102) respectively by fastening bolts (6).

5. A light-shielding structure for an LCD panel and a backlight module according to claim 1, characterized in that: The outer walls of the two first light-shielding strips (101) and the two second light-shielding strips (102) are all machined with slots (7), and the inner wall of each side plate (201) is fixedly provided with a plug (8) that matches the slot (7), and the plug (8) is inserted into the slot (7).

6. A light-shielding structure for an LCD panel and a backlight module according to claim 1, characterized in that: The two first light-shielding strips (101) and the two second light-shielding strips (102) are detachably connected by multiple fastening bolts (9). The first light-shielding strips (101) and the second light-shielding strips (102) are both black light-shielding sheets, and each side plate (201) is a heat-conducting plate.

7. A light-shielding structure for an LCD panel and a backlight module according to claim 6, characterized in that: Both ends of the two first light-shielding strips (101) are machined with positioning holes (10), and two positioning rods (11) are fixedly provided on the side of the two second light-shielding strips (102) that are close to each other. The positioning rods (11) are inserted into the positioning holes (10), and the two positioning rods (11) are respectively located inside the two fastening bolts (9).

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