Efficient microstructure light guide plate backlight source

By using a limiting mechanism and a threaded rod system, the backlight of the light guide plate can be quickly replaced, which solves the problem of cumbersome replacement process when the light guide plate is aging, and reduces maintenance costs and damage risks.

CN223814604UActive Publication Date: 2026-01-20SHENZHEN DIXIAN ELECTRONICS
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Patent Information

Application Number
CN202520073422.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-13
Publication Date
2026-01-20
Estimated Expiration
2035-01-13

AI Technical Summary

Technical Problem

In existing backlight equipment, when the light guide plate ages, the replacement process is cumbersome and can easily damage other components, increasing maintenance costs and difficulty.

Method used

A high-efficiency microstructure light guide plate backlight was designed. Through a limiting mechanism and a threaded rod system, the main body of the light guide plate can be replaced without disassembling the entire lamp housing. The light guide plate can be quickly disassembled and assembled using an arc plate and connecting rod structure.

Benefits of technology

It enables time-saving and labor-saving replacement of light guide plates, reduces the risk of damage to other components of the lamp, and lowers maintenance costs and difficulty.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an efficient microstructure light guide plate backlight, which relates to the technical field of backlight, and comprises a lamp housing and a backlight plate, the backlight plate is installed inside the lamp housing, a plurality of LED lamp beads are integrated on the surface of the backlight plate, an installation ring is arranged inside the lamp housing and located on the front side of the backlight plate, and the installation ring is connected with the backlight plate. A baffle ring is fixedly arranged in the mounting ring, a light guide plate body is clamped to the inner side of the mounting ring, one side of the light guide plate body abuts against the baffle ring, a micro-lens structure is arranged on the surface of the light guide plate body, and an opening is formed in the position, corresponding to the mounting ring, of one side of the lamp shell. An opening is formed in the lamp shell, an arc-shaped plate is clamped in the opening, a plurality of connecting rods are fixedly arranged on the inner wall of the arc-shaped plate, the other ends of the connecting rods are fixedly connected with the outer wall of the mounting ring, and a fixing block is fixedly arranged on one side of the lamp shell. According to the utility model, the aged light guide plate can be replaced in a time-saving and labor-saving manner, and the whole lamp shell does not need to be disassembled.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of backlight source, concretely relates to a high -efficient microstructure light guide plate backlight source. BACKGROUND

[0002] In the prior art, the light guide plate is a key component, and its performance directly affects the effect of the backlight source. However, with the passage of time, the light guide plate will gradually age and need to be replaced. The traditional replacement method usually requires disassembling the entire lamp housing, which is not only complicated and time-consuming, but also easy to damage other components of the lamp, increasing the maintenance cost and the difficulty of maintaining the equipment. SUMMARY

[0003] In view of the above problems of the prior art, the utility model is provided.

[0004] Therefore, the utility model aims to provide a high -efficient microstructure light guide plate backlight source, which solves the problems in the background art.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A high -efficient microstructure light guide plate backlight source, comprising a lamp shell and a backlight plate, the backlight plate is installed in the inside of the lamp shell, the surface of the backlight plate is integrally provided with a plurality of LED lamp beads, the inside of the lamp shell and located in the front side of the backlight plate is provided with a mounting ring, the inside of the mounting ring is fixedly provided with a baffle ring, the inside of the mounting ring is clamped with a light guide plate body, one side of the light guide plate body abuts against the baffle ring, the surface of the light guide plate body is provided with a microlens structure, one side of the lamp shell and corresponding position of the mounting ring is provided with an opening, the inside of the opening is clamped with an arc plate, the inner wall of the arc plate is fixedly provided with a plurality of connecting rods, the other end of the connecting rod is fixedly connected with the outer wall of the mounting ring, one side of the lamp shell is fixedly provided with a fixed block, the middle part of the fixed block is rotatably provided with a rotating rod, one end of the rotating rod is fixedly connected with a connecting block, one side of the connecting block is fixedly connected with the outer wall of the arc plate, the side of the fixed block away from the connecting block is provided with a limiting mechanism limiting the rotation of the rotating rod.

[0007] Preferably, the limiting mechanism comprises a limiting block and a threaded rod, the side of the fixed block away from the connecting block is fixedly provided with a side plate, the limiting block is fixedly sleeved on one end of the rotating rod away from the connecting block, a threaded hole is formed in the side of the limiting block close to the side plate, the threaded rod is threadedly sleeved in the middle part of the side plate, and one end of the threaded rod is threadedly connected with the threaded hole.

[0008] Preferably, a rotating wheel is fixedly sleeved on the side of the threaded rod away from the limiting block.

[0009] Preferably, the inner wall of the arc-shaped plate is provided with a sealing gasket.

[0010] Preferably, the inner wall of the mounting ring is provided with a rubber ring.

[0011] Preferably, one end of the arc-shaped plate close to the connecting block is in a circular arc shape.

[0012] In the above technical solution, the technical effects and advantages provided by the utility model are as follows:

[0013] The utility model discloses, through rotating screw rod, make screw rod move and separate with the limiting block, can remove the limiting of the rotating rod, then with the rotating rod as the axle rotation connecting block, make connecting block drive arc-shaped plate remove from the opening, and then make arc-shaped plate drive mounting ring remove from the opening, can remove the light guide plate main part from the lamp shell, and the aging light guide plate main part is conveniently replaced with time and energy saving, and the whole lamp shell does not need to be disassembled. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to make the technical personnel of the prior art or the embodiments of the present application more clearly understand the technical solutions, the following will briefly introduce the drawings needed in the embodiments, and obviously, the drawings in the following description are only some embodiments described in the utility model, and for the ordinary skilled in the art, other drawings can also be obtained according to these drawings.

[0015] Figure 1 The utility model provides a high -efficient microstructure light guide plate backlight source's structural schematic diagram;

[0016] Figure 2 The utility model discloses a kind of Figure 1 Internal structure schematic diagram;

[0017] Figure 3 The utility model discloses a kind of Figure 1 Structure enlarged schematic diagram of partial A portion in it;

[0018] Figure 4 The utility model discloses a kind of Figure 1 Structure schematic diagram of mounting ring in it.

[0019] Mark explanation of drawing:

[0020] 1, lamp shell;2, arc-shaped plate;3, connecting rod;4, mounting ring;5, light guide plate main part;6, backlight plate;7, LED lamp bead;8, fixed block;9, connecting block;10, rotating rod;11, limiting block;12, screw rod;13, side plate;14, baffle ring. DETAILED DESCRIPTION

[0021] In order to make the technical personnel of the prior art or the embodiments of the present application more clearly understand the technical solutions, the following will briefly introduce the drawings needed in the embodiments, and obviously, the drawings in the following description are only some embodiments described in the utility model, and for the ordinary skilled in the art, other drawings can also be obtained according to these drawings.

[0022] The utility model discloses a kind of high-efficiency microstructure light guide plate backlights.

[0023] Referring to Figures 1-4 A kind of high-efficiency microstructure light guide plate backlights, including lamp shell 1 and backlight panel 6, backlight panel 6 is installed in the inside of lamp shell 1, the surface of backlight panel 6 is integrally provided with a plurality of LED lamp beads 7, the inside of lamp shell 1 and located the front side of backlight panel 6 is provided with mounting ring 4, the inside of mounting ring 4 is fixedly provided with baffle ring 14, the inside of mounting ring 4 is clamped with light guide plate main body 5, one side of light guide plate main body 5 is in abutment with baffle ring 14, the surface of light guide plate main body 5 is provided with microlens structure, the inner wall of mounting ring 4 is provided with rubber ring, improve the sealing between light guide plate main body 5 and mounting ring 4, the side of lamp shell 1 and the position corresponding with mounting ring 4 is provided with opening, the inside of opening is clamped with arc plate 2, the inner wall of arc plate 2 is provided with sealing gasket, improve the sealing between arc plate 2 and lamp shell 1, one end of arc plate 2 close to connecting block 9 is circular arc, try to prevent interference when arc plate 2 rotates with the inner wall of opening, the inner wall of arc plate 2 is fixedly provided with a plurality of connecting rods 3, the other end of connecting rod 3 is fixedly connected with the outer wall of mounting ring 4, the side of lamp shell 1 is fixedly provided with fixed block 8, the middle of fixed block 8 is rotatably provided with rotating rod 10, one end of rotating rod 10 is fixedly connected with connecting block 9, the side of connecting block 9 is fixedly connected with the outer wall of arc plate 2.

[0024] Referring to Figures 1-4 The side of fixed block 8 away from connecting block 9 is provided with limiting mechanism that limit rotating rod 10 rotates, limiting mechanism includes limiting block 11 and threaded rod 12, the side of fixed block 8 away from connecting block 9 is fixedly provided with side plate 13, limiting block 11 is fixedly sleeved on one end of rotating rod 10 away from connecting block 9, the side of limiting block 11 close to side plate 13 is provided with threaded hole, threaded rod 12 is threadedly sleeved in the middle of side plate 13, one end of threaded rod 12 is threadedly connected with threaded hole, the side of threaded rod 12 away from limiting block 11 is fixedly sleeved with rotating wheel, conveniently rotating threaded rod 12.

[0025] In the utility model, when using, rotating threaded rod 12, so that threaded rod 12 moves and separates from limiting block 11, i.e. can remove the limiting of rotating rod 10, then rotating connecting block 9 with rotating rod 10 as the shaft, i.e. make connecting block 9 drive arc plate 2 to move out from opening, and then make arc plate 2 drive mounting ring 4 to move out from opening, i.e. can move light guide plate main body 5 out of lamp shell 1, conveniently change time-saving and labor-saving for the aging light guide plate main body 5, without disassembling entire lamp shell 1.

[0026] The above has only described certain exemplary embodiments of the present application by way of illustration, and it is needless to say that the described embodiments can be modified in various ways without departing from the spirit and scope of the present application for those skilled in the art. Therefore, the above drawings and descriptions are illustrative in nature, and should not be understood as limiting the scope of protection of the claims of the present application.

Claims

1. A high-efficiency microstructure light guide plate backlight, comprising a lamp housing (1) and a backlight plate (6), characterized in that, The backlight panel (6) is installed inside the lamp housing (1). Multiple LED beads (7) are integrated on the surface of the backlight panel (6). A mounting ring (4) is provided inside the lamp housing (1) and on the front side of the backlight panel (6). A retaining ring (14) is fixedly installed inside the mounting ring (4). A light guide plate body (5) is snapped into the inner side of the mounting ring (4). One side of the light guide plate body (5) abuts against the retaining ring (14). A microlens structure is provided on the surface of the light guide plate body (5). An opening is provided on one side of the lamp housing (1) at a position corresponding to the mounting ring (4). An arc-shaped plate (2) is snapped into the inside of the opening. Multiple connecting rods (3) are fixedly installed on the inner wall of the arc-shaped plate (2). The other end of the connecting rod (3) is fixedly connected to the outer wall of the mounting ring (4). A fixing block (8) is fixedly installed on one side of the lamp housing (1). A rotating rod (10) is rotatably installed in the middle of the fixing block (8). A connecting block (9) is fixedly connected to one end of the rotating rod (10). One side of the connecting block (9) is fixedly connected to the outer wall of the arc-shaped plate (2). A limiting mechanism for restricting the rotation of the rotating rod (10) is provided on the side of the fixing block (8) away from the connecting block (9).

2. The high-efficiency microstructure light guide plate backlight according to claim 1, characterized in that, The limiting mechanism includes a limiting block (11) and a threaded rod (12). A side plate (13) is fixedly provided on the side of the fixing block (8) away from the connecting block (9). The limiting block (11) is fixedly sleeved on the end of the rotating rod (10) away from the connecting block (9). A threaded hole is provided on the side of the limiting block (11) near the side plate (13). The threaded rod (12) is threadedly sleeved on the middle part of the side plate (13). One end of the threaded rod (12) is threadedly connected to the threaded hole.

3. The high-efficiency microstructure light guide plate backlight according to claim 2, characterized in that, A rotating wheel is fixedly sleeved on the side of the threaded rod (12) away from the limiting block (11).

4. The high-efficiency microstructure light guide plate backlight according to claim 1, characterized in that, The inner wall of the arc-shaped plate (2) is provided with a sealing gasket.

5. The high-efficiency microstructure light guide plate backlight according to claim 1, characterized in that, The inner wall of the mounting ring (4) is provided with a rubber ring.

6. The high-efficiency microstructure light guide plate backlight according to claim 1, characterized in that, The arc-shaped plate (2) is arc-shaped at one end near the connecting block (9).