Anti-dazzle light shading sheet

By introducing materials such as graphite, light-blocking mesh, heat-insulating film, and silicon oxide into the light-blocking sheet, the problems of high reflectivity and easy damage of the light-blocking sheet are solved, achieving efficient light blocking, heat dissipation, and flexibility, thereby improving the imaging effect.

CN223977484UActive Publication Date: 2026-03-06SUZHOU FUTAIDE ELECTRONIC NEW MATERIAL CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-15
Publication Date
2026-03-06

AI Technical Summary

Technical Problem

While existing light-blocking lenses are hard and strong, they have high reflectivity, resulting in stray light in actual lens shooting, which affects the image quality. They are also prone to scratches or distortion, leading to a decrease in image quality.

Method used

The anti-glare shielding sheet structure includes a base layer, an inner protective layer, an outer protective layer, and a middle protective layer. It utilizes the heat dissipation performance of graphite material, the light-shielding performance of the light-shielding mesh material, the heat insulation performance of the heat insulation film material, and the anti-reflection performance of silicon dioxide material, combined with edge protection and a protective film, to improve the flexibility and imaging effect of the shielding sheet.

Benefits of technology

It effectively reduces light transmission and reflection, improves the heat dissipation performance of the light shield, enhances flexibility, prevents scratches and deformation, and improves image quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the field of optical lenses, and particularly relates to an anti-dazzle anti-dazzling screen, which comprises an anti-dazzling screen body, and protective films are arranged at the top and the bottom of the anti-dazzling screen body. According to the anti-dazzling screen, the inner protective layer is arranged, light transmission can be effectively filtered and reduced, meanwhile, heat dissipation of the anti-dazzling screen body is facilitated, the middle protective layer is arranged, the heat insulation effect on internal electronic components can be achieved, meanwhile, the flexibility of the anti-dazzling screen body is improved, the anti-dazzling screen body is not prone to being damaged, and the outer protective layer is arranged, so that the uniform refractive index can be provided; the anti-dazzling screen has the advantages that reflection is reduced, the imaging effect is improved, the surface of the anti-dazzling screen body can be protected through cooperation of the protective edge and the protective film, the anti-dazzling screen body is prevented from being scratched or deformed, the heat dissipation layer is made of graphite materials, the heat dissipation effect of the anti-dazzling screen is improved through the excellent heat conduction performance of the graphite materials, and the service life of the anti-dazzling screen is prolonged. And the scratch-resistant layer made of the polycarbonate material has excellent wear resistance and hardness.
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Description

Technical Field

[0001] This utility model relates to the field of optical lenses, specifically an anti-glare shield. Background Technology

[0002] The mainstream materials used in the current optical light shielding film market are PET and PI sheets. Their main advantages are that they are easy to mold and the reflectivity is reduced compared to the original material after the surface is treated with a carbon layer. Their disadvantages are that they have poor temperature resistance and are easy to deform after environmental testing. They are mainly used in the lenses of imaging equipment such as cameras, mobile phones, and dashcams.

[0003] While existing light-blocking sheets are hard and strong, they have high reflectivity, which can easily cause stray light in actual shooting and affect the image quality. At the same time, scratches or deformation on the surface of the light-blocking sheet will also lead to a decrease in image quality. Therefore, an anti-glare light-blocking sheet is proposed to address the above problems. Utility Model Content

[0004] To overcome the shortcomings of existing technologies and solve the problems that while existing light-blocking sheets are hard and strong, they have high reflectivity, which can easily cause stray light in actual shooting and affect the image quality, as well as scratches or deformation on the surface of the light-blocking sheet, which can also lead to a decrease in image quality, this utility model proposes an anti-glare light-blocking sheet.

[0005] The technical solution adopted by this utility model to solve its technical problem is: an anti-glare light shield, including a light shield body, a protective film is provided on the top and bottom of the light shield body, a protective edge is provided on the front and rear sides of the light shield body, two clamping pieces are fixedly connected between the opposite sides of the two protective edges, a tough groove is opened on the surface of the clamping pieces, and an adhesive layer is provided on the bottom of the protective edge.

[0006] The light-shielding sheet body includes a base layer, an inner protective layer on top of the base layer, an intermediate protective layer on top of the inner protective layer, and an outer protective layer on top of the intermediate protective layer.

[0007] Preferably, the inner protective layer includes a heat dissipation layer, and a light-shielding layer is provided on top of the heat dissipation layer.

[0008] Preferably, the heat dissipation layer is made of graphite material, and the light-shielding layer is made of light-shielding mesh material.

[0009] By setting a heat dissipation layer made of graphite material, which has excellent thermal conductivity, it can be used to make heat dissipation materials to ensure that the light shield can effectively dissipate heat when working. By setting a light shielding layer made of light shielding mesh material, which is usually made of black or dark-colored material, it can effectively filter and reduce light transmission, thereby improving the light shielding performance of the light shield itself.

[0010] Preferably, the intermediate protective layer includes a heat insulation layer, and a tensile-resistant layer is provided on top of the heat insulation layer.

[0011] Preferably, the heat insulation layer is made of heat insulation film material, and the tensile layer is made of polyurethane elastomer material.

[0012] By setting a heat insulation layer made of heat insulation film material, which is a thin film material specially designed for heat insulation, it can be attached to the surface or inside of the light-shielding sheet to reduce heat conduction and radiation. By setting a tensile layer made of polyurethane elastomer material, which has good elasticity and tensile properties, it can be used to make a soft light-shielding sheet with a certain tensile strength, thereby improving the flexibility of the light-shielding sheet itself.

[0013] Preferably, the outer protective layer includes an anti-glare coating, and the surface of the anti-glare coating is provided with an anti-scratch layer.

[0014] Preferably, the anti-glare coating is made of silicon dioxide and the scratch-resistant layer is made of polycarbonate.

[0015] The advantages of this utility model are:

[0016] This invention effectively filters and reduces light transmission by setting an inner protective layer, while facilitating heat dissipation of the light-shielding sheet body. The middle protective layer provides heat insulation for internal electronic components and improves the flexibility of the light-shielding sheet body, making it less prone to damage. The outer protective layer provides a uniform refractive index, helping to reduce reflection and improve imaging effects. Furthermore, the combination of edge protection and protective film protects the surface of the light-shielding sheet body, preventing scratches or deformation. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of the anti-glare and light-shielding sheet structure of this utility model. Figure 1 ;

[0019] Figure 2 This is a schematic diagram of the anti-glare and light-shielding sheet structure of this utility model. Figure 2 ;

[0020] Figure 3 This is a structural diagram of the light-shielding sheet body of this utility model;

[0021] Figure 4 This is a structural diagram of the inner protective layer of this utility model;

[0022] Figure 5 This is a structural diagram of the intermediate protective layer of this utility model;

[0023] Figure 6 This is a structural diagram of the outer protective layer of this utility model.

[0024] In the diagram: 1. Light-shielding sheet body; 11. Base layer; 12. Inner protective layer; 1201. Heat dissipation layer; 1202. Light-shielding layer; 13. Intermediate protective layer; 1301. Heat insulation layer; 1302. Tensile layer; 14. Outer protective layer; 1401. Anti-glare coating; 1402. Scratch-resistant layer; 2. Protective film; 3. Edge protector; 4. Clamping piece; 5. Tough groove; 6. Adhesive layer. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] The following is in conjunction with the appendix Figure 1 —6 provides further detailed information about this application.

[0027] This application discloses an anti-glare shielding sheet. (See also...) Figure 1 , Figure 2 and Figure 3 A glare-proof light shield includes a light shield body 1, a protective film 2 is provided on the top and bottom of the light shield body 1, a protective edge 3 is provided on the front and rear sides of the light shield body 1, two clamping pieces 4 are fixedly connected between the opposite sides of the two protective edges 3, a tough groove 5 is provided on the surface of the clamping pieces 4, and an adhesive layer 6 is provided on the bottom of the protective edge 3.

[0028] The light-shielding sheet body 1 includes a base layer 11, an inner protective layer 12 on top of the base layer 11, a middle protective layer 13 on top of the inner protective layer 12, and an outer protective layer 14 on top of the middle protective layer 13. By setting the inner protective layer 12, light transmission can be effectively filtered and reduced, while facilitating heat dissipation of the light-shielding sheet body 1. By setting the middle protective layer 13, heat insulation can be provided for internal electronic components, while improving the flexibility of the light-shielding sheet body 1 and making it less prone to damage. By setting the outer protective layer 14, a uniform refractive index can be provided, helping to reduce reflection and improve imaging effect. Furthermore, by using the edge protector 3 and the protective film 2 together, the surface of the light-shielding sheet body 1 can be protected to prevent scratches or deformation of the light-shielding sheet body 1.

[0029] Reference Figure 3 and Figure 4 The inner protective layer 12 includes a heat dissipation layer 1201, and a light-shielding layer 1202 is provided on the top of the heat dissipation layer 1201. The heat dissipation layer 1201 is made of graphite material, and the light-shielding layer 1202 is made of light-shielding mesh material. By setting the heat dissipation layer 1201 made of graphite material, graphite has excellent thermal conductivity and can be used to make heat dissipation material to ensure that the light-shielding sheet can effectively dissipate heat when working. By setting the light-shielding layer 1202 made of light-shielding mesh material, the light-shielding mesh is usually made of black or dark-colored material, which can effectively filter and reduce light transmission, thereby improving the light-shielding performance of the light-shielding sheet body 1.

[0030] Reference Figure 3 and Figure 5 The intermediate protective layer 13 includes a heat insulation layer 1301, and a tensile layer 1302 is provided on the top of the heat insulation layer 1301. The heat insulation layer 1301 is made of heat insulation film material, and the tensile layer 1302 is made of polyurethane elastomer material. By setting the heat insulation layer 1301 made of heat insulation film material, heat insulation film is a thin film material specially designed for heat insulation. It can be attached to the surface or inside of the light shield to reduce heat conduction and radiation. By setting the tensile layer 1302 made of polyurethane elastomer material, polyurethane elastomer has good elasticity and tensile properties, and can be used to make a soft light shield with a certain tensile strength, thereby improving the flexibility of the light shield body 1.

[0031] Reference Figure 3 and Figure 6The outer protective layer 14 includes an anti-glare coating 1401, and a scratch-resistant layer 1402 is provided on the surface of the anti-glare coating 1401. The anti-glare coating 1401 is made of silicon dioxide, and the scratch-resistant layer 1402 is made of polycarbonate. By providing the anti-glare coating 1401 made of silicon dioxide, silicon dioxide is a commonly used material used to make the base layer of the anti-reflective coating. It has good optical properties and chemical stability, and can provide a uniform refractive index to help reduce reflection. By providing the scratch-resistant layer 1402 made of polycarbonate, polycarbonate has excellent wear resistance and hardness, and is suitable for making light shields that require durability and scratch resistance. In addition, polycarbonate also has high light transmittance, which can effectively block light and maintain good transparency, thereby improving the scratch resistance of the light shield body 1 and preventing scratches on the surface of the light shield body 1 from affecting the imaging quality.

[0032] Working Principle: During use, a heat dissipation layer 1201 made of graphite material is incorporated. Graphite has excellent thermal conductivity and can be used to make heat dissipation materials, ensuring that the light-shielding sheet can effectively dissipate heat during operation. A light-shielding layer 1202 made of light-shielding mesh material is incorporated. The light-shielding mesh is usually made of black or dark-colored material, which can effectively filter and reduce light transmission, thereby improving the light-shielding performance of the light-shielding sheet body 1. A heat insulation layer 1301 made of heat insulation film material is incorporated. Heat insulation film is a thin film material specially designed for heat insulation. It can be attached to the surface or inside of the light-shielding sheet to reduce heat conduction and radiation. A tensile strength layer 1302 made of polyurethane elastomer material is incorporated. Polyurethane elastomer has good elasticity and tensile strength, and can be used to make a flexible sheet with a certain tensile strength. The light-shielding sheet improves the flexibility of the light-shielding sheet body 1. An anti-glare coating 1401 made of silicon oxide is provided. Silicon oxide is a commonly used material used as the base layer for anti-reflective coatings. It has good optical properties and chemical stability, providing a uniform refractive index to help reduce reflection. A scratch-resistant layer 1402 made of polycarbonate is provided. Polycarbonate has excellent wear resistance and hardness, making it suitable for manufacturing light-shielding sheets that require durability and scratch resistance. In addition, polycarbonate has high light transmittance, effectively blocking light while maintaining good transparency, thereby improving the scratch resistance of the light-shielding sheet body 1 and preventing scratches on the surface of the light-shielding sheet body 1 from affecting image quality. The light-shielding sheet body 1 can be protected and disassembled by providing an edge protector 3, a protective film 2, and a clamping piece 4.

[0033] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.

Claims

1. An anti-glare shade, characterized by: The utility model relates to a sunshade, including sunshade body (1), the top and bottom of sunshade body (1) are provided with protective film (2), the front side and rear side of sunshade body (1) are provided with edge guard (3), and the opposite side between two edge guards (3) is fixedly connected with two clamping pieces (4), and the surface of clamping piece (4) is provided with tenacity groove (5), and the bottom of edge guard (3) is provided with adhesive layer (6); The sunshade body (1) comprises a base layer (11), the top of the base layer (11) is provided with an inner protective layer (12), the top of the inner protective layer (12) is provided with an intermediate protective layer (13), and the top of the intermediate protective layer (13) is provided with an outer protective layer (14).

2. The anti-glare shade of claim 1, wherein: The inner protective layer (12) comprises a heat dissipation layer (1201), and the top of the heat dissipation layer (1201) is provided with a shading layer (1202).

3. The anti-glare shade of claim 2, wherein: The heat dissipation layer (1201) is made of graphite material, and the shading layer (1202) is made of shading grid material.

4. The anti-glare shade of claim 1, wherein: The intermediate protective layer (13) comprises a heat insulation layer (1301), and the top of the heat insulation layer (1301) is provided with a tensile resistance layer (1302).

5. The anti-glare shade of claim 4, wherein: The heat insulation layer (1301) is made of heat insulation film material, and the tensile resistance layer (1302) is made of polyurethane elastomer material.

6. The anti-glare shade of claim 1, wherein: The outer protective layer (14) comprises an anti-glare coating (1401), and the surface of the anti-glare coating (1401) is provided with an anti-scratch layer (1402).

7. The anti-glare shade of claim 6, wherein: The anti-glare coating (1401) is made of silicon oxide material, and the anti-scratch layer (1402) is made of polycarbonate material.