Backlight mechanism of liquid crystal display panel

The threaded connection and protective shell design solve the problems of unstable installation and inconvenient disassembly of the light strip, achieves stable connection and convenient maintenance, and extends the service life of the LCD display panel.

CN223308514UActive Publication Date: 2025-09-05JIANGSU ZUNSEN SCI & TECH CO LTD
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Patent Information

Application Number
CN202422896419.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-27
Publication Date
2025-09-05
Estimated Expiration
2034-11-27

AI Technical Summary

Technical Problem

The installation method of the light strip in the existing backlight mechanism of the liquid crystal display panel is unstable and inconvenient to disassemble, which affects the maintenance and service life.

Method used

The light strip is fixed by threaded connection, combined with the protective shell and soft cushion layer design to improve installation stability and disassembly convenience.

Benefits of technology

A firm and stable connection of the light strip is achieved, which is convenient for disassembly and maintenance, thus increasing the service life of the device and reducing the risk of damage.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a liquid crystal display panel backlight mechanism, which relates to the technical field of liquid crystal display panels and comprises a connecting mechanism, the outer surface wall of the connecting mechanism is fixedly sleeved with a protection mechanism, the connecting mechanism comprises a connecting frame, four threaded holes are formed in the top of the connecting frame, and the inner surface walls of the four threaded holes are in threaded connection with fixing bolts. According to the utility model, under the action of the connecting mechanism, the connecting frame, the lamplight strips and the top pressing frame are in threaded connection with the fixing bolts and the threaded holes in a threaded rotation manner by utilizing the fixing bolts, so that the two lamplight strips are fixed inside the display panel, and meanwhile, when the lamplight strips need to be disassembled and maintained, only the fixing bolts need to be screwed off, and the lamplight strips can be disassembled and maintained. And then parts in the panel are taken out in sequence, the lamplight strips can be detached and replaced, in this way, the connection state of the lamplight strips in the interior is firmer and more stable, and the lamplight strips can be detached and maintained conveniently.
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Description

Technical Field

[0001] The utility model relates to the technical field of liquid crystal display panels, in particular to a backlight mechanism of a liquid crystal display panel. Background Art

[0002] The backlight mechanism of the liquid crystal display panel, especially the backlight system for LCD, is a vital component in LCD display technology. The main function of the backlight mechanism is to provide sufficient and uniform light source for the LCD so that the image can be clearly seen in a dark environment. The backlight of the liquid crystal display panel is mainly divided into two categories, cold light source backlight and LED backlight. Among them, LED backlight has been widely used in modern LCDs due to its advantages such as high brightness, wide color gamut and low power consumption.

[0003] In the prior art, a backlight mechanism often includes an LED light strip structure to provide sufficient light source for the backlight mechanism. However, the light strip in the existing LCD backlight mechanism is mostly installed by bonding or snapping. This fixed installation method is not only unstable but also inconvenient to disassemble. Utility Model Content

[0004] The purpose of the utility model is to solve the problem that when existing equipment is in use, the light strips in the existing liquid crystal display panel backlight mechanism are mostly installed by bonding or clamping, which is not only unstable but also inconvenient to disassemble.

[0005] In order to achieve the above-mentioned purpose, the present invention adopts the following technical solutions: a liquid crystal display panel backlight mechanism, comprising a connecting mechanism, wherein the outer wall fixing sleeve of the connecting mechanism is provided with a protective mechanism;

[0006] The connecting mechanism includes a connecting frame, four threaded holes are opened on the top of the connecting frame, the inner walls of the four threaded holes are threadedly connected with fixing bolts, two light strips are movably sleeved between the outer walls of the four fixing bolts, a top pressure frame is movably sleeved between the outer walls of the four fixing bolts, a wire plate is fixedly connected to the top of the inner wall of the connecting frame, a placement groove is opened on the top of the wire plate, and a light guide plate is movably sleeved on the inner wall of the connecting frame.

[0007] Preferably, a diffusion film is placed on the top of the light guide plate, and a filter is placed on the top of the diffusion film.

[0008] Preferably, a display screen is movably sleeved on the inner surface wall of the connecting frame, and a first reserved notch is opened on one side of the outer wall of the top pressure frame.

[0009] Preferably, the protection mechanism comprises a protection shell, and a cushion layer is fixedly inserted into the inner surface wall of the protection shell.

[0010] Preferably, four gaskets are fixedly connected to the top of the inner wall of the protective shell.

[0011] Preferably, a second reserved notch is opened on one side of the outer wall of the protective shell.

[0012] Preferably, the connection frame is fixedly inserted into the inner wall of the protective shell.

[0013] Compared with the prior art, the advantages and positive effects of the present invention are:

[0014] 1. In the present invention, under the action of the connecting mechanism, the connecting frame, the light strip and the top pressure frame are threadedly connected with the fixing bolts and the threaded holes by rotating the threads, thereby fixing the two light strips inside the display panel. At the same time, when the light strip needs to be disassembled and repaired, it is only necessary to unscrew the fixing bolts and then take out the components inside the panel in turn to disassemble and replace the light strip. In this way, the internal connection state of the light strip is more firm and stable, and it is convenient to disassemble and repair it.

[0015] 2. In the present invention, under the action of the protection mechanism, a protective shell is provided on the outer wall of the liquid crystal display panel, and an additional cushioning layer and a gasket at the bottom are used to enhance the protection of the liquid crystal display panel, thereby preventing possible damage to the liquid crystal display panel caused by collision or even falling due to various factors, thereby increasing the service life of the entire device and reducing the risk of damage. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This utility model provides a front view of a backlight mechanism for a liquid crystal display panel;

[0017] Figure 2 The utility model provides a three-dimensional diagram of the connection mechanism of a liquid crystal display panel backlight mechanism;

[0018] Figure 3 This utility model provides a three-dimensional disassembled diagram of the connection mechanism of a liquid crystal display panel backlight mechanism;

[0019] Figure 4 The utility model provides a three-dimensional diagram of a protection mechanism for a backlight mechanism of a liquid crystal display panel.

[0020] Legend:

[0021] 1. Connecting mechanism; 101. Connecting frame; 102. Threaded hole; 103. Fixing bolt; 104. Light bar; 105. Top pressure frame; 106. Wire board; 107. Placement slot; 108. Light guide plate; 109. Diffuser; 110. Filter; 111. Display; 112. First reserved notch;

[0022] 2. Protective mechanism; 201. Protective shell; 202. Cushion layer; 203. Gasket; 204. Second reserved notch. DETAILED DESCRIPTION

[0023] In order to more clearly understand the above-mentioned purpose, features and advantages of the present invention, the present invention is further described below with reference to the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features therein can be combined with each other without conflict.

[0024] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0025] Example 1, as Figures 1-4 As shown, the utility model provides a liquid crystal display panel backlight mechanism, comprising a connecting mechanism 1, an outer wall of the connecting mechanism 1 is fixedly sleeved with a protective mechanism 2;

[0026] The connecting mechanism 1 includes a connecting frame 101, four threaded holes 102 are provided on the top of the connecting frame 101, and the inner walls of the four threaded holes 102 are all threadedly connected with fixing bolts 103, two light strips 104 are movably sleeved between the outer walls of the four fixing bolts 103, and a top pressure frame 105 is movably sleeved between the outer walls of the four fixing bolts 103. A wire plate 106 is fixedly connected to the top of the inner wall of the connecting frame 101, and a placement groove 107 is provided on the top of the wire plate 106. A light guide plate 108 is movably sleeved on the inner wall of the connecting frame 101, a diffusion film 109 is placed on the top of the light guide plate 108, and a filter 110 is placed on the top of the diffusion film 109. A display screen 111 is movably sleeved on the inner wall of the connecting frame 101, and a first reserved slot 112 is provided on one side of the outer wall of the top pressure frame 105.

[0027] The effect achieved by the entire embodiment 1 is that, under the action of the connecting mechanism 1, four threaded holes 102 are opened on the top of the connecting frame 101, and the inner walls of the four threaded holes 102 are threadedly connected with fixing bolts 103. At the same time, two light strips 104 are movably sleeved between the outer walls of the four fixing bolts 103, and a top pressing frame 105 is movably sleeved between the outer walls. In this way, when the light strip 104 needs to be disassembled and repaired, the light strip 104 can be disassembled and replaced by simply unscrewing the fixing bolts 103. In this way, the internal connection state of the light strip 104 is made more secure. It is solid and stable, and easy to disassemble and repair. A wiring board 106 is fixedly connected to the top of the inner wall of the connecting frame 101. The connecting wires inside the display panel, including electronic components such as circuit boards, are placed in an orderly manner in the placement groove 107 opened on the top of the wiring board 106, which facilitates the sorting of its internal circuits. At the same time, a light guide plate 108 is movably provided on the inner wall of the connecting frame 101, a diffusion film 109 is placed on the top of the light guide plate 108, and a filter 110 is placed on the top of the diffusion film 109. A display screen 111 is movably provided on the inner wall of the connecting frame 101, and then all components are fixed by the top pressing frame 105.

[0028] Example 2, as Figure 2-Figure 4 As shown, the protection mechanism 2 includes a protective shell 201, a soft cushion layer 202 is fixedly inserted into the inner wall of the protective shell 201, four gaskets 203 are fixedly connected to the top of the inner wall of the protective shell 201, a second reserved slot 204 is opened on one side of the outer wall of the protective shell 201, and the connecting frame 101 is fixedly inserted into the inner wall of the protective shell 201.

[0029] The effect achieved by the entire embodiment 2 is that, under the action of the fixing mechanism 2, a protective shell 201 is set on the outer wall of the liquid crystal display panel, a soft cushion layer 202 is fixedly inserted into the inner wall of the protective shell 201, and four gaskets 203 are fixedly connected to the top of the inner wall of the protective shell 201. At the same time, the additional soft cushion layer 202 and the gasket 203 at the bottom are used to enhance the protection of the liquid crystal display panel, prevent the liquid crystal display panel from being damaged during collision or even falling under the influence of various factors, thereby improving the service life of the entire device and reducing the risk of damage.

[0030] Working principle: When in use, four threaded holes 102 are opened on the top of the connecting frame 101, and the inner walls of the four threaded holes 102 are threadedly connected with fixing bolts 103. At the same time, two light strips 104 are movably sleeved between the outer walls of the four fixing bolts 103, and a top pressure frame 105 is movably sleeved between the outer walls. In this way, when the light strip 104 needs to be disassembled and repaired, it is only necessary to unscrew the fixing bolts 103 to disassemble and replace the light strip 104. In this way, the internal connection state of the light strip 104 is more firm and stable, and it is convenient to disassemble and repair it. A wire board 106 is fixedly connected to the top of the inner wall of the connecting frame 101. By placing the connecting wires inside the display panel, including electronic components such as circuit boards, in an orderly manner, the top of the wire board 106 The placement groove 107 opened in the part is convenient for sorting out its internal circuits. At the same time, a light guide plate 108 is movably provided on the inner wall of the connecting frame 101, a diffusion film 109 is placed on the top of the light guide plate 108, and a filter 110 is placed on the top of the diffusion film 109. A display screen 111 is movably provided on the inner wall of the connecting frame 101, and then a top pressing frame 105 is provided to fix all the components. At the same time, the connecting frame 101 is fixedly inserted into the inner wall of the protective shell 201. By arranging the protective shell 201 on the outer wall of the liquid crystal display panel and utilizing the additional soft cushion layer 202 and the gasket 203 at the bottom, the protection of the liquid crystal display panel is enhanced, and the damage that may occur during the collision or even falling of the liquid crystal display panel under the influence of various factors is prevented, thereby improving the service life of the entire device and reducing the risk of damage.

[0031] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any other form. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification of the above embodiment made according to the technical essence of the present invention without departing from the content of the technical solution of the present invention shall still fall within the scope of protection of the technical solution of the present invention.

Claims

1. A liquid crystal display panel backlight mechanism, comprising a connecting mechanism (1), characterized in that: The outer wall fixing sleeve of the connecting mechanism (1) is provided with a protection mechanism (2); The connecting mechanism (1) comprises a connecting frame (101), the top of the connecting frame (101) is provided with four threaded holes (102), the inner surfaces of the four threaded holes (102) are all threadedly connected with fixing bolts (103), two light strips (104) are movably sleeved between the outer surfaces of the four fixing bolts (103), a top pressure frame (105) is movably sleeved between the outer surfaces of the four fixing bolts (103), a wire plate (106) is fixedly connected to the top of the inner wall of the connecting frame (101), a placement groove (107) is provided on the top of the wire plate (106), and a light guide plate (108) is movably sleeved on the inner surface of the connecting frame (101).

2. The liquid crystal display panel backlight mechanism according to claim 1, characterized in that: A diffusion film (109) is placed on the top of the light guide plate (108), and a filter (110) is placed on the top of the diffusion film (109).

3. The liquid crystal display panel backlight mechanism according to claim 2, characterized in that: The inner surface wall of the connecting frame (101) is movably sleeved with a display screen (111), and one side of the outer wall of the top pressing frame (105) is provided with a first reserved notch (112).

4. The liquid crystal display panel backlight mechanism according to claim 3, characterized in that: The protection mechanism (2) comprises a protection shell (201), and a cushion layer (202) is fixedly inserted into the inner surface wall of the protection shell (201).

5. The liquid crystal display panel backlight mechanism according to claim 4, characterized in that: Four gaskets (203) are fixedly connected to the top of the inner wall of the protective shell (201).

6. The liquid crystal display panel backlight mechanism according to claim 5, characterized in that: A second reserved notch (204) is provided on one side of the outer wall of the protective shell (201).

7. The liquid crystal display panel backlight mechanism according to claim 6, characterized in that: The connection frame (101) is fixedly inserted into the inner surface wall of the protective shell (201).