Microstructure light guide plate display module

By adopting a multi-layer protective structure in the microstructured light guide panel display module, the problems of degradation of optical performance and short service life caused by the lack of protective layer of the light guide panel in the prior art are solved, and all-round protection of the light guide panel is achieved, and stability and service life are improved.

CN222599878UActive Publication Date: 2025-03-11SUZHOU XINWANGKE ELECTRONIC TECH CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202420674465.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-03
Publication Date
2025-03-11
Estimated Expiration
2034-04-03

AI Technical Summary

Technical Problem

The existing microstructured light guide panel display module lacks protective layer and is susceptible to the influence of external environment and chemical substances, resulting in reduced optical performance, vulnerability to damage and maintenance difficulties, reducing service life and stability.

Method used

A microstructure light guide plate display module is designed, adopting a multi-layer protective structure, including light guide sheet, connecting layer, protective layer one and protective layer two, and waterproof and dustproof components. Through the mutual cooperation of these layers, the light guide plate body provides all-round protection.

Benefits of technology

It effectively avoids the light guide plate body being affected by the external environment and chemical substances, prevents optical performance from degrading, improves service life and stability, and ensures the long-term reliability and stable performance of the display module.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222599878U_ABST
    Figure CN222599878U_ABST
Patent Text Reader

Abstract

The utility model relates to the field of light guide plates, and discloses a microstructure light guide plate display module which comprises a light emitting source, an optical lens is fixedly connected in the light emitting source, the rear end of the optical lens is fixedly connected with a reflective back plate, and a light guide plate body is fixedly connected in the optical lens. The light guide plate comprises a light guide plate body, a light guide sheet is fixedly connected to the interior of the light guide plate body, a plurality of microgroove structures are arranged in the light guide sheet, a connecting layer is fixedly connected to the front side of the light guide sheet, a first protective layer is fixedly connected to the front side of the connecting layer, and a second protective layer is fixedly connected to the front side of the first protective layer. The front side of the second protective layer is fixedly connected with a waterproof and dustproof assembly. According to the utility model, the light guide plate body is protected, so that the light guide plate body is prevented from being influenced by an external environment and chemical substances, the optical performance of the light guide plate body is prevented from being reduced, and the service life and the stability of the light guide plate body are improved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the field of light guide plates, in particular to a microstructure light guide plate display module. Background Art

[0002] The light guide plate is an optical device, usually made of transparent materials. Its main function is to evenly guide the light emitted by the backlight source to the entire display panel or liquid crystal panel to ensure that the display screen can emit light evenly. The microstructure light guide plate display module is further optimized and improved on the basis of the traditional light guide plate. It adopts a microstructure design, usually including micro-lenses, micro-perforations or micro-prisms and other tiny structures. These microstructures can more accurately control the propagation and reflection of light, improve the utilization of light, and reduce light loss.

[0003] After searching, the existing Chinese patent announcement number is: CN208705513U, a microstructure light guide plate and its display module, including a light guide plate body, the light guide plate body has a light incident surface, a light emitting surface and a back surface, the back surface is provided with a plurality of groove microstructures, and a resin layer is deposited on the back surface. The microstructure light guide plate and its display module provided by the utility model can improve the strength of the light guide plate, uniform image quality, and facilitate the thinness of the display module. In this patent, a plurality of groove microstructures are provided on the back of the light guide plate, and a resin layer is deposited on the back to improve the strength of the glass light guide plate, increase the smoothness and diffuse reflectivity of the grooves, and obtain uniform image quality. However, in this patent, the light guide plate body does not have a protective layer to protect it, which makes the microstructure light guide plate susceptible to the influence of the external environment and chemical substances, which may lead to problems such as reduced optical performance, easy damage and difficult maintenance, and reduce its service life and stability. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings existing in the prior art, and to propose a microstructured light guide plate display module, aiming to improve the prior art that the light guide plate body does not have a protective layer to protect it, which makes the microstructured light guide plate susceptible to the influence of the external environment and chemical substances, and may lead to problems such as reduced optical performance, easy damage and difficulty in maintenance, thereby reducing its service life and stability.

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

[0006] A microstructure light guide plate display module comprises a light source, an optical lens is fixedly connected to the interior of the light source, a reflective back plate is fixedly connected to the rear end of the optical lens, a light guide plate body is fixedly connected to the interior of the optical lens, a light guide plate body is fixedly connected to the interior of the light guide plate, a plurality of microgroove structures are arranged inside the light guide plate, a connecting layer is fixedly connected to the front side of the light guide plate, a protective layer 1 is fixedly connected to the front side of the connecting layer, a protective layer 2 is fixedly connected to the front side of the protective layer 1, and a waterproof and dustproof component is fixedly connected to the front side of the protective layer 2.

[0007] Furthermore, the waterproof and dustproof component includes a waterproof and dustproof layer 1 and a waterproof and dustproof layer 2, the rear end of the waterproof and dustproof layer 1 is fixedly connected to the front side of the protective layer 2, and the rear end of the waterproof and dustproof layer 2 is fixedly connected to the front side of the waterproof and dustproof layer 1.

[0008] Furthermore, the material of the first waterproof and dustproof layer is fluorocarbon, and the material of the second waterproof and dustproof layer is siloxane.

[0009] Furthermore, the front side of the reflective back plate is fixedly connected to the rear end of the light source, and the front side of the reflective back plate is fixedly connected to the rear end of the light guide plate body.

[0010] Furthermore, the material of the connecting layer is polyethersulfone, the material of the first protective layer is polyetherketone, and the material of the second protective layer is acrylonitrile-butadiene-styrene copolymer.

[0011] The utility model has the following beneficial effects:

[0012] In the utility model, by the mutual cooperation of structures such as the light guide plate, the connecting layer, the protective layer 1 and the protective layer 2, it is achieved to protect the light guide plate body, avoid the light guide plate body from being affected by the external environment and chemical substances, thereby avoiding the optical performance of the light guide plate body from being reduced and improving its service life and stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 A three-dimensional diagram of a microstructure light guide plate display module proposed by the utility model;

[0014] Figure 2 This is a schematic diagram of the reflective backplane structure of a micro-structured light guide plate display module proposed by the utility model;

[0015] Figure 3 This is a cross-sectional view of the light guide plate structure of a micro-structure light guide plate display module proposed by the utility model.

[0016] Legend:

[0017] 1. Light source; 2. Optical lens; 3. Reflective back plate; 4. Light guide plate body; 5. Light guide sheet; 6. Micro-groove structure; 7. Connecting layer; 8. Protective layer 1; 9. Protective layer 2; 10. Waterproof and dustproof layer 1; 11. Waterproof and dustproof layer 2. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] Reference Figure 1 - Figure 3 The utility model provides an embodiment: a microstructure light guide plate display module, including a light source 1, an optical lens 2 is fixedly connected to the inside of the light source 1, the optical lens 2 is designed to further adjust the propagation direction and intensity distribution of light, and improve the optical uniformity and brightness, the rear end of the optical lens 2 is fixedly connected to a reflective backplane 3, the reflective backplane 3 is designed to reflect the leaked light and re-project it onto the light guide sheet 5, thereby increasing the utilization rate and light efficiency of the light and improving the brightness and uniformity of the display module, and the optical lens 2 is fixedly connected to a light guide plate body 4.

[0020] A light guide plate 5 is fixedly connected to the inside of the light guide plate body 4, and a plurality of micro-groove structures 6 are arranged inside the light guide plate 5. The micro-groove structure 6 is designed to effectively guide the propagation of light. By designing a reasonable groove shape and arrangement, the reflection, refraction and scattering of light can be realized, so that the light can be evenly distributed on the entire surface of the light guide plate 5, thereby improving the utilization rate of light and the display effect. A connecting layer 7 is fixedly connected to the front side of the light guide plate 5. The connecting layer 7 is designed to facilitate the connection between the light guide plate 5 and the protective layer 1 8. The front side of the connecting layer 7 is fixedly connected to the protective layer 1 8. The protective layer 1 8 is designed to cooperate with the protective layer 2 9 to protect the light guide plate 5. The front side of the protective layer 1 8 is fixedly connected to the protective layer 2 9. The front side of the protective layer 2 9 is fixedly connected to the waterproof and dustproof component.

[0021] like Figure 1 - Figure 3As shown, the waterproof and dustproof component includes a waterproof and dustproof layer 10 and a waterproof and dustproof layer 2 11. The rear end of the waterproof and dustproof layer 10 is fixedly connected to the front side of the protective layer 2 9, and the rear end of the waterproof and dustproof layer 2 11 is fixedly connected to the front side of the waterproof and dustproof layer 10. The waterproof and dustproof layer 10 is designed to cooperate with the waterproof and dustproof layer 2 11 to perform waterproof and dustproof treatment on the surface of the light guide plate body 4. The material of the waterproof and dustproof layer 10 is fluorocarbon, and the material of the waterproof and dustproof layer 2 11 is siloxane. Fluorocarbon materials and siloxane have excellent waterproof properties, which can effectively prevent moisture from penetrating into the interior of the coated object and protect it from moisture. It has a microscopically smooth surface structure, is not easy to absorb dust and dirt, can effectively prevent the deposition of impurities such as dust and particulate matter, and keep the coated object clean.

[0022] The front side of the reflective back plate 3 is fixedly connected to the rear end of the light source 1, and the front side of the reflective back plate 3 is fixedly connected to the rear end of the light guide plate body 4. The reflective back plate 3 is designed to reflect the leaked light and re-project it onto the light guide plate 5, thereby increasing the utilization rate and light efficiency of the light and improving the brightness and uniformity of the display module. The material of the connecting layer 7 is polyethersulfone, which has high chemical stability and can maintain a stable bonding effect under various environmental conditions. The material of the protective layer 1 8 is polyetherketone, which has good chemical resistance and can resist erosion and corrosion by various chemical substances such as acids, alkalis, and solvents, and protect the coated objects from damage by chemical substances. It has high strength and rigidity, excellent mechanical properties, and can provide effective physical protection to resist external impact and extrusion. The material of the protective layer 2 9 is acrylonitrile-butadiene-styrene copolymer, which has excellent impact absorption capacity, can effectively alleviate the force brought by external impact, and protect the covered objects from damage.

[0023] Working principle: the light source 1 is a device that emits light, the optical lens 2 is used to further adjust the propagation direction and intensity distribution of the light, improve the optical uniformity and brightness, so that the light source is evenly distributed inside the light guide 5, the reflective back plate 3 is designed to reflect the leaked light and re-project it onto the light guide 5, thereby increasing the utilization rate of the light and the light effect, the micro-groove structure 6 is evenly distributed in the light guide 5, and its design is to effectively guide the propagation of light. By designing a reasonable groove shape and arrangement, the reflection, refraction and scattering of light can be achieved, so that the light can be evenly distributed on the entire surface of the light guide 5, the connecting layer 7 is used as a connector between the light guide 5 and the protective layer 8, and its design is to facilitate the connection between the light guide 5 and the protective layer 8. The function of the protective layer 8 and the protective layer 9 is to protect the light guide 5. The material of the protective layer 8 is polyether ketone, which has good chemical resistance and can resist erosion and corrosion of various chemical substances such as acids, alkalis, solvents, etc., protect the coated objects from damage by chemical substances, has high strength and rigidity, has excellent mechanical properties, and can provide effective physical protection The material of the protective layer 2 9 is acrylonitrile-butadiene-styrene copolymer, which has excellent impact absorption capacity and can effectively alleviate the force brought by external impact and protect the covered items from damage. The waterproof and dustproof layer 10 and the waterproof and dustproof layer 2 11 are components of the waterproof and dustproof assembly, and cooperate with each other to perform waterproof and dustproof treatment on the surface of the light guide plate body 4. The material of the waterproof and dustproof layer 10 is fluorocarbon, and the material of the waterproof and dustproof layer 2 11 is silicone. The waterproof and dustproof layer 10 and the waterproof The materials of the water-proof and dust-proof layer 11 have excellent waterproof properties, which can effectively prevent moisture from penetrating into the interior of the coated object and protect it from moisture damage. It has a microscopically smooth surface structure and is not easy to absorb dust and dirt. It can effectively prevent the deposition of impurities such as dust and particulate matter and keep the coated objects clean. The protective layer 1 8 and the protective layer 2 9 cooperate to protect the light guide plate body 4, thereby preventing the light guide plate body 4 from being affected by the external environment and chemicals, thereby preventing the optical performance of the light guide plate body 4 from being reduced and improving its service life and stability.

[0024] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A microstructured light guide plate display module, comprising a light source (1), characterized in that: The light source (1) is fixedly connected to an optical lens (2) at its interior, the rear end of the optical lens (2) is fixedly connected to a reflective back plate (3), the optical lens (2) is fixedly connected to a light guide plate body (4) at its interior, the light guide plate body (4) is fixedly connected to a light guide sheet (5), a plurality of micro-groove structures (6) are arranged inside the light guide sheet (5), a connection layer (7) is fixedly connected to the front side of the light guide sheet (5), a protective layer 1 (8) is fixedly connected to the front side of the connection layer (7), a protective layer 2 (9) is fixedly connected to the front side of the protective layer 1 (8), and a waterproof and dustproof component is fixedly connected to the front side of the protective layer 2 (9).

2. The microstructured light guide plate display module according to claim 1, characterized in that: The waterproof and dustproof component comprises a waterproof and dustproof layer 1 (10) and a waterproof and dustproof layer 2 (11), wherein the rear end of the waterproof and dustproof layer 1 (10) is fixedly connected to the front side of the protective layer 2 (9), and the rear end of the waterproof and dustproof layer 2 (11) is fixedly connected to the front side of the waterproof and dustproof layer 1 (10).

3. The microstructured light guide plate display module according to claim 2, characterized in that: The material of the waterproof and dustproof layer 1 (10) is fluorocarbon, and the material of the waterproof and dustproof layer 2 (11) is silicone.

4. The microstructured light guide plate display module according to claim 1, characterized in that: The front side of the reflective back plate (3) is fixedly connected to the rear end of the light source (1), and the front side of the reflective back plate (3) is fixedly connected to the rear end of the light guide plate body (4).

5. The microstructured light guide plate display module according to claim 1, characterized in that: The material of the connecting layer (7) is polyethersulfone, the material of the first protective layer (8) is polyetherketone, and the material of the second protective layer (9) is acrylonitrile-butadiene-styrene copolymer.

Citation Information

Patent Citations

  • Micro -structure light guide plate and display module assembly thereof

    CN208705513U