CN215599471U - Special liquid crystal display backlight module of U-shaped light guide plate - Google Patents
Special liquid crystal display backlight module of U-shaped light guide plate Download PDFInfo
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- CN215599471U CN215599471U CN202122195224.0U CN202122195224U CN215599471U CN 215599471 U CN215599471 U CN 215599471U CN 202122195224 U CN202122195224 U CN 202122195224U CN 215599471 U CN215599471 U CN 215599471U
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- light guide
- guide plate
- backlight module
- clamping
- liquid crystal
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Abstract
The utility model discloses a special liquid crystal display backlight module of a U-shaped light guide plate, which comprises a rubber frame, a reflecting sheet, a light guide plate, a lower diffusion sheet, a lower prism sheet, an upper prism sheet and an upper diffusion sheet, wherein the reflecting sheet is fixedly connected with the bottom end of the rubber frame, and the light guide plate, the lower diffusion sheet, the lower prism sheet, the upper prism sheet and the upper diffusion sheet are sequentially arranged in the rubber frame. According to the backlight module, the light guide plate, the lower diffusion sheet, the lower prism sheet, the upper diffusion sheet and the fixing frame are arranged, clamping grooves are formed in two sides of the top end of the rubber frame, clamping blocks are fixed on two sides of the fixing frame, when the backlight module is assembled, the light guide plate, the lower diffusion sheet, the lower prism sheet, the upper prism sheet and the upper diffusion sheet are sequentially clamped into the rubber frame, the fixing frame is placed on the surface of the upper diffusion sheet, the fixing frame and the rubber frame are fixedly connected through the clamping blocks and the clamping grooves, the fixing frame replaces a traditional shading adhesive tape, and the backlight module is convenient to disassemble and maintain in the later period.
Description
Technical Field
The utility model relates to the technical field of backlight modules, in particular to a special liquid crystal display backlight module of a U-shaped light guide plate.
Background
The lcd has the advantages of low radiation, small size and low power consumption, and has gradually replaced the conventional crt in some applications, so it is widely used in notebook computers, pdas, flat tvs and mobile phones, etc., and the lcd includes an lcd panel and a backlight module, which is a component for providing light source to the lcd product, and is usually disposed under the lcd panel to provide uniformly dispersed light with a certain brightness to the lcd panel, and form color pictures with different brightness, different colors and different gray levels according to different voltages of pixel electrodes on the lcd panel.
However, in the assembly of the conventional backlight module, the reflective sheet, the light guide plate, the diffusion sheet and the prism sheet are sequentially arranged in the rubber frame, and finally the components are fixed through the light-shielding adhesive tape, and the LED assembly is also arranged on one side of the rubber frame in a fixed packaging manner.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art, and provides a special liquid crystal display backlight module of a U-shaped light guide plate.
In order to achieve the purpose, the utility model adopts the following technical scheme: a special liquid crystal display backlight module of a U-shaped light guide plate comprises a rubber frame, a reflecting sheet, a light guide plate, a lower diffusion sheet, a lower prism sheet, an upper prism sheet and an upper diffusion sheet, wherein the reflecting sheet is fixedly connected with the bottom end of the rubber frame, the light guide plate, the lower diffusion sheet, the lower prism sheet, the upper prism sheet and the upper diffusion sheet are sequentially arranged inside the rubber frame, and a fixing frame is arranged at the top end inside the rubber frame.
Further, the fixing frame is positioned on the upper surface of the upper diffusion sheet.
Furthermore, the two sides of the fixing frame are both fixed with clamping blocks, the two sides of the top end of the rubber frame are both provided with clamping grooves, and the clamping blocks are clamped with the clamping grooves.
Furthermore, the clamping holes are formed in the inner side wall of the clamping groove, grooves are formed in the two sides of the clamping block, springs are fixed on the inner side wall of each groove, the other ends of the springs are fixedly connected with moving pins, and the moving pins are clamped with the clamping holes.
Furthermore, a bar-shaped opening is formed in the top end of the groove, a shifting rod is fixedly connected to the top end of the movable pin, and the top end of the shifting rod penetrates through the bar-shaped opening and extends to the top end of the clamping block.
Furthermore, two mounting blocks are fixed on two sides of the outer side wall of the rubber frame, and mounting holes are formed in the middle of the two mounting blocks.
Further, the opening has been seted up to gluey frame bottom one side, inside splint and the LED subassembly of being equipped with of opening, the LED subassembly is located the splint top, the splint both sides all are connected with the slider, the spout has all been seted up to opening inside wall both sides, slider and spout sliding connection.
Furthermore, the section of the joint of the sliding block and the sliding groove is of a T-shaped structure.
Furthermore, the bottom end of the opening is connected with a bolt in a threaded rotation mode, and the top end of the bolt is attached to the lower surface of the clamping plate.
Furthermore, a rubber pad is arranged on the upper surface of the clamping plate.
The utility model has the beneficial effects that:
1. when the backlight module is used, the light guide plate, the lower diffusion sheet, the lower prism sheet, the upper diffusion sheet and the fixing frame are arranged, the clamping grooves are formed in two sides of the top end of the rubber frame, the clamping blocks are fixed on two sides of the fixing frame, when the backlight module is assembled, the light guide plate, the lower diffusion sheet, the lower prism sheet, the upper prism sheet and the upper diffusion sheet are sequentially clamped into the rubber frame, the fixing frame is finally placed on the surface of the upper diffusion sheet, the fixing frame and the rubber frame are fixedly connected through the clamping of the clamping blocks and the clamping grooves, the fixing frame replaces a traditional shading adhesive tape, the assembly is more convenient, and the backlight module is convenient to disassemble and maintain in the later period.
2. When the LED module is used, the opening is formed in one side of the rubber frame, the clamping plate and the LED module are arranged in the opening, the bolt is arranged at the bottom end of the opening, the clamping plate can be driven to move upwards by screwing the bolt, and the LED module is extruded and fixed in the opening, so that the LED module can be detached and replaced after being damaged, and the LED module has better flexibility.
Drawings
FIG. 1 is an exploded view of the present invention;
FIG. 2 is a main sectional view of the present invention;
FIG. 3 is an enlarged view of the utility model at A;
FIG. 4 is an enlarged view of the utility model at B;
figure 5 is a top view of the frame of the present invention.
Illustration of the drawings:
1. a rubber frame; 2. a reflective sheet; 3. a light guide plate; 4. a lower diffusion sheet; 5. a lower prism sheet; 6. an upper prism sheet; 7. an upper diffusion sheet; 8. a fixing frame; 81. a clamping block; 82. a groove; 83. a spring; 84. a moving pin; 85. a strip-shaped opening; 86. a deflector rod; 9. mounting blocks; 10. mounting holes; 101. a card slot; 102. a clamping hole; 103. an opening; 104. a splint; 105. a slider; 106. a chute; 107. a bolt; 11. an LED assembly.
Detailed Description
As shown in fig. 1 and 2, a special liquid crystal display backlight module of a U-shaped light guide plate is disclosed, which comprises a rubber frame 1, a reflective sheet 2, a light guide plate 3, a lower diffuser sheet 4, a lower prism sheet 5, an upper prism sheet 6 and an upper diffuser sheet 7, wherein the reflective sheet 2 is fixedly connected with the bottom end of the rubber frame 1, the light guide plate 3, the lower diffuser sheet 4, the lower prism sheet 5, the upper prism sheet 6 and the upper diffuser sheet 7 are sequentially installed inside the rubber frame 1, and a fixing frame 8 is arranged at the top end inside the rubber frame 1. Glue 1 lateral wall both sides of frame and be fixed with two installation pieces 9, mounting hole 10 has all been seted up at two installation piece 9 middle parts, is convenient for install this shading module through installation piece 9.
As shown in fig. 1 to 3, the fixing frame 8 is positioned on the upper surface of the upper diffusion sheet 7. The fixing frame 8 is fixed with the fixture block 81 on both sides, the rubber frame 1 is provided with the slot 101 on both sides of the top, the fixture block 81 is engaged with the slot 101, so that the light guide plate 3, the lower diffusion sheet 4, the lower prism sheet 5, the upper prism sheet 6 and the upper diffusion sheet 7 are fixed in the rubber frame 1 through the fixing frame 8. The clamping hole 102 is formed in the inner side wall of the clamping groove 101, the grooves 82 are formed in the two sides of the clamping block 81, the spring 83 is fixed to the inner side wall of each groove 82, the other end of the spring 83 is fixedly connected with a moving pin 84, and the moving pin 84 is clamped with the clamping hole 102, so that the clamping block 81 is fixed in the clamping groove 101 conveniently. The top end of the groove 82 is provided with a bar-shaped opening 85, the top end of the moving pin 84 is fixedly connected with a shifting lever 86, the top end of the shifting lever 86 penetrates through the bar-shaped opening 85 and extends to the top end of the clamping block 81, the shifting lever 86 is convenient to drive the moving pin 84 to be separated from the clamping hole 102, and the fixing frame 8 is convenient to disassemble.
As shown in fig. 1 and 4, an opening 103 is formed in one side of the bottom end of the rubber frame 1, a clamping plate 104 and an LED assembly 11 are arranged in the opening 103, the LED assembly 11 is located above the clamping plate 104, sliding blocks 105 are connected to two sides of the clamping plate 104, sliding grooves 106 are formed in two sides of the inner side wall of the opening 103, and the sliding blocks 105 are slidably connected with the sliding grooves 106. The section of the joint of the sliding block 105 and the sliding groove 106 is of a T-shaped structure, the sliding block 105 and the sliding groove 106 are prevented from being separated, the bottom end of the opening 103 is connected with a bolt 107 in a rotating mode through threads, the top end of the bolt 107 is attached to the lower surface of the clamping plate 104, and the clamping plate 104 can be driven to extrude and fix the LED assembly 11 in the opening 103 by screwing the bolt 107 to move upwards. The upper surface of the clamping plate 104 is provided with a rubber pad to protect the LED assembly 11.
When in use: the reflecting sheet 2 is fixedly connected with the bottom end of the rubber frame 1, then the light guide plate 3, the lower diffusion sheet 4, the lower prism sheet 5, the upper prism sheet 6 and the upper diffusion sheet 7 are sequentially placed in the rubber frame 1, finally the fixing frame 8 is placed on the surface of the upper diffusion sheet 7, and the fixture blocks 81 at the two sides of the fixed frame 8 are clamped with the clamping grooves 101 at the two sides of the rubber frame 1, the shift lever 86 is required to be shifted in the clamping process so that the moving pin 84 retracts into the groove 82, after the fixture blocks 81 are clamped with the clamping grooves 101, the shift lever 86 is released, the moving pin 84 is engaged with the engaging hole 102 by the elastic force of the spring 83, whereby the fixing frame 8 is fixed to the top end of the rubber frame 1, and then one end of the light source of the LED module 11 is inserted into the opening 103, the bolt 107 is then screwed so that it pushes the clamping plate 104 upward, and presses the LED assembly 11 through the clamping plate 104, thereby securing the LED module 11 in the opening 103 and thus completing the entire assembly process.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The utility model provides a special type liquid crystal display backlight unit of U type light guide plate, includes gluey frame (1), reflector plate (2), light guide plate (3), diffusion piece (4) down, down prism piece (5), goes up prism piece (6) and last diffusion piece (7), its characterized in that: the light guide plate is characterized in that the reflecting sheet (2) is fixedly connected with the bottom end of the rubber frame (1), the light guide plate (3), the lower diffusion sheet (4), the lower prism sheet (5), the upper prism sheet (6) and the upper diffusion sheet (7) are sequentially arranged inside the rubber frame (1), and a fixing frame (8) is arranged at the top end inside the rubber frame (1).
2. The special liquid crystal display backlight module of the U-shaped light guide plate according to claim 1, wherein: the fixing frame (8) is positioned on the upper surface of the upper diffusion sheet (7).
3. The special liquid crystal display backlight module of the U-shaped light guide plate according to claim 1, wherein: both sides of the fixed frame (8) are fixed with clamping blocks (81), both sides of the top end of the rubber frame (1) are provided with clamping grooves (101), and the clamping blocks (81) are clamped with the clamping grooves (101).
4. The special liquid crystal display backlight module of the U-shaped light guide plate according to claim 3, wherein: the clamping groove is characterized in that clamping holes (102) are formed in the inner side wall of the clamping groove (101), grooves (82) are formed in the two sides of the clamping block (81), springs (83) are fixed on the inner side wall of the grooves (82), the other ends of the springs (83) are fixedly connected with moving pins (84), and the moving pins (84) are clamped with the clamping holes (102).
5. The special liquid crystal display backlight module of the U-shaped light guide plate according to claim 4, wherein: the top end of the groove (82) is provided with a strip-shaped opening (85), the top end of the moving pin (84) is fixedly connected with a shifting rod (86), and the top end of the shifting rod (86) penetrates through the strip-shaped opening (85) and extends to the top end of the clamping block (81).
6. The special liquid crystal display backlight module of the U-shaped light guide plate according to claim 1, wherein: two mounting blocks (9) are fixed on two sides of the outer side wall of the rubber frame (1), and mounting holes (10) are formed in the middle of the two mounting blocks (9).
7. The special liquid crystal display backlight module of the U-shaped light guide plate according to claim 1, wherein: glue frame (1) bottom one side and seted up opening (103), inside splint (104) and the LED subassembly (11) of being equipped with of opening (103), LED subassembly (11) are located splint (104) top, splint (104) both sides all are connected with slider (105), spout (106) have all been seted up to opening (103) inside wall both sides, slider (105) and spout (106) sliding connection.
8. The special liquid crystal display backlight module of the U-shaped light guide plate according to claim 7, wherein: the section of the joint of the sliding block (105) and the sliding groove (106) is of a T-shaped structure.
9. The special liquid crystal display backlight module of the U-shaped light guide plate according to claim 7, wherein: the bottom end of the opening (103) is in threaded rotation connection with a bolt (107), and the top end of the bolt (107) is attached to the lower surface of the clamping plate (104).
10. The special liquid crystal display backlight module of the U-shaped light guide plate according to claim 7, wherein: the upper surface of the clamping plate (104) is provided with a rubber pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122195224.0U CN215599471U (en) | 2021-09-11 | 2021-09-11 | Special liquid crystal display backlight module of U-shaped light guide plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122195224.0U CN215599471U (en) | 2021-09-11 | 2021-09-11 | Special liquid crystal display backlight module of U-shaped light guide plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215599471U true CN215599471U (en) | 2022-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122195224.0U Active CN215599471U (en) | 2021-09-11 | 2021-09-11 | Special liquid crystal display backlight module of U-shaped light guide plate |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115128870A (en) * | 2022-07-28 | 2022-09-30 | 龙岩学院 | Quantum dot backlight module |
| CN115494671A (en) * | 2022-10-25 | 2022-12-20 | 深圳市南极光电子科技股份有限公司 | MiniLED backlight source assembly with high brightness |
| CN115494671B (en) * | 2022-10-25 | 2024-05-14 | 深圳市南极光电子科技股份有限公司 | MiniLED backlight source component with high brightness |
-
2021
- 2021-09-11 CN CN202122195224.0U patent/CN215599471U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115128870A (en) * | 2022-07-28 | 2022-09-30 | 龙岩学院 | Quantum dot backlight module |
| CN115494671A (en) * | 2022-10-25 | 2022-12-20 | 深圳市南极光电子科技股份有限公司 | MiniLED backlight source assembly with high brightness |
| CN115494671B (en) * | 2022-10-25 | 2024-05-14 | 深圳市南极光电子科技股份有限公司 | MiniLED backlight source component with high brightness |
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