Dynamic dimming liquid crystal display module

By using a type of sealing gasket and thermally conductive components in a dynamic dimming liquid crystal display module, the poor sealing performance and heating problems of the module are solved, and the service life and energy efficiency are improved.

CN222189650UActive Publication Date: 2024-12-17SHENZHEN TIANFU INNOVATIVE TECH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202421078706.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-17
Publication Date
2024-12-17
Estimated Expiration
2034-05-17

AI Technical Summary

Technical Problem

The existing dynamic dimming liquid crystal display module has poor sealing performance after being assembled with the protective shell, which can easily lead to dust infiltration, and heat generation problems lead to waste of energy consumption and shortened service life.

Method used

The protective case inner seal is used to seal with the upper end sealing gasket of the shell cover, and heat conduction components are installed on both sides of the protective case to export heat dissipation, including thermal conduction plates, insulated heat conduction sheets and heat dissipation fins, through which heat is dissipated To the outside.

Benefits of technology

It effectively avoids dust infiltration, improves the service life of the module, and reduces the temperature on the LCD screen surface through heat dissipation, reducing energy consumption and waste.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222189650U_ABST
    Figure CN222189650U_ABST
Patent Text Reader

Abstract

The utility model discloses a dynamic dimming liquid crystal display module which comprises a protective shell, a [-shaped groove is formed in the protective shell, a dimming liquid crystal display module body is installed in the [-shaped groove, and [-shaped sealing gaskets are installed on the side walls of the [-shaped groove and the dimming liquid crystal display module body. Through the matching of the [-shaped sealing gasket in the protective shell and the sealing gasket at the upper end part of the shell cover, the connecting part of the protective shell and the shell cover with the dimming liquid crystal display module body can be sealed, external dust can be prevented from permeating to a certain extent, and meanwhile, the dimming liquid crystal display module body can be protected to a certain extent through the matching of the protective shell and the shell cover; the service life of the dynamic dimming liquid crystal display module body is prolonged; through cooperation of the heat conduction assemblies on the two sides of the protection shell, heat generated when the dimming liquid crystal display module body works can be guided out and dissipated, the heat is dissipated to the outer side of the protection shell through the heat dissipation fins, and therefore the temperature of the surface of a liquid crystal screen in the dimming liquid crystal display module body can be reduced to a certain degree.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of liquid crystal display modules, in particular to a dynamic dimming liquid crystal display module. Background Technique

[0002] The dynamic dimming liquid crystal display module is an advanced display technology. It can automatically adjust the brightness and contrast according to the ambient light and usage scenarios, thus providing users with a more comfortable and clear visual experience. In addition, the dynamic dimming liquid crystal display module also has many advantages. First of all, it can significantly improve the clarity and vividness of the display effect, enabling users to obtain a better visual experience. Secondly, since it can automatically adjust the brightness and contrast, it can also reduce the eye fatigue of users when using the display for a long time. Finally, this display module also has the characteristics of energy conservation and environmental protection, because it can adjust the brightness according to actual needs, avoiding unnecessary energy waste.

[0003] After the existing dynamic dimming liquid crystal display module is assembled with the protective housing, the sealing performance of the dynamic dimming liquid crystal display module is poor. External dust may penetrate from the connection between the dynamic dimming liquid crystal display module and the protective housing, easily causing damage to the dynamic dimming liquid crystal display module. At the same time, a part of the energy consumption of the dynamic dimming liquid crystal display module is wasted on heat generation during actual use. The heat generation of the dynamic dimming liquid crystal display module will affect the power consumption of the display screen, and at the same time, the heat generation will also affect the service life of the display screen. Therefore, we need to propose a dynamic dimming liquid crystal display module. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a dynamic dimming liquid crystal display module. Through the cooperation of the U-shaped sealing gasket in the protective housing and the sealing gasket at the upper end of the housing cover, the connection between the protective housing, the housing cover and the dynamic dimming liquid crystal display module can be sealed. At the same time, with the cooperation of the heat conduction components on both sides of the protective housing, the heat generated during the operation of the dynamic dimming liquid crystal display module can be导出 and dissipated, thereby reducing the temperature on the surface of the display screen to a certain extent, so as to solve the problems raised in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solutions:

[0006] A dynamic dimming liquid crystal display module, including a protective housing. A U-shaped groove is opened inside the protective housing. A dimming liquid crystal display module body is installed inside the U-shaped groove. A U-shaped sealing gasket is installed on the side wall between the U-shaped groove and the dimming liquid crystal display module body. One end of the protective housing is provided with a housing cover. The housing cover and the protective housing are fixedly bolted together. Installation grooves communicating with the inside of the U-shaped groove are opened on both sides of the protective housing. A heat conduction component for dissipating heat from the side wall of the dimming liquid crystal display module body is arranged inside the installation groove.

[0007] Preferably, the dimming liquid crystal display module body includes a backlight module, an optical film is disposed on the top of the backlight module, a liquid crystal light valve is disposed on the top of the optical film, and a liquid crystal screen is disposed on the top of the liquid crystal light valve.

[0008] Preferably, the heat conduction component includes a heat conduction plate, the heat conduction plate is fixedly installed inside the installation groove, an insulating heat conduction sheet is fixedly connected to one side of the heat conduction plate, and heat dissipation fins are fixedly installed on the other side of the heat conduction plate.

[0009] Preferably, one side of the insulating heat conduction sheet is attached to the side wall of the dimming liquid crystal display module body, and one side of the heat dissipation fins is on the same horizontal line as the side wall of the protective shell.

[0010] Preferably, rectangular grooves communicating with the two installation grooves are formed on both sides of the U-shaped gasket, and the insulating heat conduction sheet is located inside the rectangular grooves.

[0011] Preferably, an end gasket corresponding to the U-shaped gasket is fixedly installed inside the shell cover, and the inner side wall of the end gasket is attached to one side of the dimming liquid crystal display module body.

[0012] Preferably, there are two sets of bolts, countersunk holes for the bolts to pass through are formed on the shell cover, threaded holes corresponding to the countersunk holes are formed on the protective shell, and one end of the bolt passes through the countersunk hole and is threadedly connected to the inside of the threaded hole.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0014] 1. By the cooperation of the U-shaped gasket in the protective shell and the end gasket at the upper end of the shell cover, the connection between the protective shell and the shell cover and the dimming liquid crystal display module body can be sealed, which can avoid the infiltration of external dust to a certain extent. At the same time, the cooperation of the protective shell and the shell cover can provide a certain degree of protection for the dimming liquid crystal display module body, and improve the service life of the dynamic dimming liquid crystal display module body;

[0015] 2. Through the cooperation of the heat conduction components on both sides of the protective shell, the heat generated during the operation of the dimming liquid crystal display module body can be导出 and dissipated. The heat is dissipated to the outside of the protective shell through the heat dissipation fins, so that the temperature on the surface of the liquid crystal screen in the dimming liquid crystal display module body can be reduced to a certain extent. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a perspective structural schematic diagram of the side view of the present utility model;

[0017] Figure 2 is an exploded structural schematic diagram of the present utility model;

[0018] Figure 3This is a schematic structural diagram of the heat conduction component and the protective shell of the present utility model.

[0019] In the figure: 1. Protective shell; 2. C-shaped groove; 3. Dimming liquid crystal display module body; 31. Backlight module; 32. Optical film; 33. Liquid crystal light valve; 34. Liquid crystal screen; 4. C-shaped gasket; 5. Shell cover; 6. End gasket; 7. Bolt; 8. Installation groove; 9. Heat conduction component; 91. Heat conduction plate; 92. Insulating heat conduction sheet; 93. Heat dissipation fin. Specific embodiments

[0020] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0021] Please refer to Figure 1-3 , the present utility model provides a technical solution:

[0022] A dynamic dimming liquid crystal display module, including a protective shell 1, a C-shaped groove 2 is opened inside the protective shell 1, a dimming liquid crystal display module body 3 is installed inside the C-shaped groove 2, and a C-shaped gasket 4 is installed on the side wall between the C-shaped groove 2 and the dimming liquid crystal display module body 3. One end of the protective shell 1 is provided with a shell cover 5, and the shell cover 5 and the protective shell 1 are bolted and fixed by bolts 7. Installation grooves 8 communicating with the inside of the C-shaped groove 2 are opened on both sides of the protective shell 1, and a heat conduction component 9 for dissipating heat from the side wall of the dimming liquid crystal display module body 3 is arranged inside the installation grooves 8.

[0023] The dimming liquid crystal display module body 3 includes a backlight module 31, an optical film 32 is arranged on the top of the backlight module 31, a liquid crystal light valve 33 is arranged on the top of the optical film 32, and a liquid crystal screen 34 is arranged on the top of the liquid crystal light valve 33, which is convenient for modulating the light emitted by the backlight module 31 by energizing the liquid crystal light valve 33 and adjusting the brightness of the liquid crystal screen 34.

[0024] The heat conduction component 9 includes a heat conduction plate 91, the heat conduction plate 91 is fixedly installed inside the installation groove 8, an insulating heat conduction sheet 92 is fixedly connected to one side of the heat conduction plate 91, and a heat dissipation fin 93 is fixedly installed on the other side of the heat conduction plate 91, which is convenient for guiding the heat conducted by the insulating heat conduction sheet 92 to the heat dissipation fin 93 through the heat conduction plate 91.

[0025] One side of the insulating and heat-conducting sheet 92 is attached to the side wall of the dimming liquid crystal display module body 3. One side of the heat dissipation fin 93 is on the same horizontal line as the side wall of the protective shell 1. Heat is dissipated to the outside of the protective shell 1 through the heat dissipation fin 93. The protective shell 1 and the shell cover 5 can be made of heat-dissipating materials, which can better cooperate with the heat-conducting component 9 for heat dissipation.

[0026] Rectangular grooves communicating with the two sets of installation grooves 8 are formed on both sides of the U-shaped gasket 4. The insulating and heat-conducting sheet 92 is located inside the rectangular grooves, enabling the insulating and heat-conducting sheet 92 to be attached to the dimming liquid crystal display module body 3.

[0027] An end gasket 6 corresponding to the U-shaped gasket 4 is fixedly installed inside the shell cover 5. The inner side wall of the end gasket 6 is attached to one side of the dimming liquid crystal display module body 3, facilitating the sealing of the connection between the protective shell 1 and the shell cover 5 and the dimming liquid crystal display module body 3 by the end gasket 6 in cooperation with the U-shaped gasket 4.

[0028] There are two sets of bolts 7. Countersunk holes for the bolts 7 to pass through are formed on the shell cover 5. Threaded holes corresponding to the countersunk holes are formed on the protective shell 1. The bolts 7 are set as hexagon socket head cap screws. One end of the bolts 7 passes through the countersunk holes and is threadedly connected to the inside of the threaded holes, facilitating the disassembly and assembly of the shell cover 5 by the bolts 7.

[0029] Working principle: When in use, the U-shaped gasket 4 inside the protective shell 1 cooperates with the end gasket 6 at the upper end of the shell cover 5, which can seal the connection between the protective shell 1 and the shell cover 5 and the dimming liquid crystal display module body 3, and can, to a certain extent, prevent external dust from infiltrating. At the same time, the cooperation of the protective shell 1 and the shell cover 5 can provide a certain degree of protection for the dimming liquid crystal display module body 3, improving the service life of the dimming liquid crystal display module body 3.

[0030] Through the cooperation of the heat-conducting components 9 on both sides of the protective shell 1, the heat generated during the operation of the dimming liquid crystal display module body 3 can be导出 and dissipated. Heat is dissipated to the outside of the protective shell 1 through the heat dissipation fin 93, thereby reducing the temperature on the surface of the liquid crystal screen 34 in the dimming liquid crystal display module body 3 to a certain extent.

[0031] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A dynamic dimming liquid crystal display module, comprising a protective shell (1), characterized in that: An L-shaped groove (2) is formed inside the protective shell (1). An adjustable light liquid crystal display module body (3) is installed inside the L-shaped groove (2). An L-shaped gasket (4) is installed on the side wall between the L-shaped groove (2) and the adjustable light liquid crystal display module body (3). One end of the protective shell (1) is provided with a shell cover (5). The shell cover (5) and the protective shell (1) are fixedly connected by bolts (7). Installation grooves (8) communicating with the inside of the L-shaped groove (2) are formed on both sides of the protective shell (1). A heat conduction component (9) for dissipating heat from the side wall of the adjustable light liquid crystal display module body (3) is arranged inside the installation groove (8).

2. The dynamic dimming liquid crystal display module according to claim 1, characterized in that: The adjustable light liquid crystal display module body (3) includes a backlight module (31). An optical film (32) is arranged on the top of the backlight module (31). A liquid crystal light valve (33) is arranged on the top of the optical film (32). A liquid crystal screen (34) is arranged on the top of the liquid crystal light valve (33).

3. The dynamic dimming liquid crystal display module according to claim 1, characterized in that: The heat conduction component (9) includes a heat conduction plate (91). The heat conduction plate (91) is fixedly installed inside the installation groove (8). An insulating heat conduction sheet (92) is fixedly connected to one side of the heat conduction plate (91). A heat dissipation fin (93) is fixedly installed on the other side of the heat conduction plate (91).

4. The dynamic dimming liquid crystal display module according to claim 3, characterized in that: One side of the insulating heat conduction sheet (92) is attached to the side wall of the adjustable light liquid crystal display module body (3). One side of the heat dissipation fin (93) is on the same horizontal line as the side wall of the protective shell (1).

5. The dynamic dimming liquid crystal display module according to claim 4, characterized in that: Rectangular grooves communicating with the two installation grooves (8) are formed on both sides of the L-shaped gasket (4). The insulating heat conduction sheet (92) is located inside the rectangular grooves.

6. The dynamic dimming liquid crystal display module according to claim 1, characterized in that: An end gasket (6) corresponding to the L-shaped gasket (4) is fixedly installed inside the shell cover (5). The inner side wall of the end gasket (6) is attached to one side of the adjustable light liquid crystal display module body (3).

7. The dynamic dimming liquid crystal display module according to claim 1, characterized in that: There are two bolts (7). Countersunk holes for the bolts (7) to pass through are formed on the shell cover (5). Threaded holes corresponding to the countersunk holes are formed on the protective shell (1). One end of the bolt (7) passes through the countersunk hole and is threadedly connected inside the threaded hole.