Coated cover plate integrating high transmittance and chemical resistance

By setting a composite coating structure of aluminum oxide, indium arsenide and polyester resin on the glass cover, the problems of insufficient hardness and poor wear resistance of traditional glass cover are solved, and high transparency, chemical resistance and versatility are achieved, making it suitable for high-end electronic products and automotive display fields.

CN223329210UActive Publication Date: 2025-09-12TRULY OPTO ELECTRONICS
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Patent Information

Application Number
CN202422331616.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-24
Publication Date
2025-09-12
Estimated Expiration
2034-09-24

AI Technical Summary

Technical Problem

Traditional glass cover panels are not hard enough, have poor wear resistance, and are susceptible to environmental corrosion, which limits their application in high-end fields.

Method used

A composite coating structure is provided on the glass cover body, including an aluminum oxide bottom layer, an indium arsenide middle layer and a polyester resin top layer. The thickness and material properties of each layer are designed to enhance hardness, wear resistance and chemical resistance.

Benefits of technology

It enhances the hardness and wear resistance of the glass cover, provides specific optical or electrical properties, improves weather resistance and scratch resistance, and meets the multifunctional needs of high-end fields.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a film-coated cover plate integrating high transparency and chemical resistance, which comprises a glass cover plate body and a composite film-coated structure, the composite film-coated structure is arranged on the top surface of the glass cover plate body, and the composite film-coated structure comprises a bottom surface layer, a middle layer and a top surface layer, the bottom surface layer, the middle layer and the top surface layer are sequentially arranged on the top surface of the glass cover plate body from bottom to top, and the top surface layer is thicker than the middle layer and the bottom surface layer respectively; the composite coating structure is arranged on the glass cover plate body, chemical substances including indium arsenide (InAs), aluminum oxide (Al2O3) and polyester resin are utilized, so that a composite coating layer with specific functions and performances can be formed on the top surface of the glass cover plate body, and the coating layer not only can enhance the hardness and wear resistance of the glass cover plate body, but also can form a composite coating layer with specific functions and performances on the top surface of the glass cover plate body. And specific optical or electrical properties can also be provided, and the multifunctional requirements of the high-end field on the glass cover plate body are met.
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Description

Technical Field

[0001] The utility model relates to the technical field of glass cover plates, in particular to a coated cover plate integrating high transparency and chemical resistance. Background Art

[0002] The glass cover of electronic products is a transparent lens used to protect the touch screen. It is attached to the outside of the electronic display screen and mainly plays the role of protecting the screen.

[0003] With the continuous development of science and technology, glass cover plates are increasingly used in display products and automotive displays. However, traditional glass cover plates often face problems such as insufficient hardness, poor wear resistance, and susceptibility to environmental erosion, which limits the application of common glass cover plates in high-end fields. Utility Model Content

[0004] In order to overcome the above-mentioned shortcomings, the present invention aims to provide a technical solution that can solve the above-mentioned problems.

[0005] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a coated cover plate that combines high transmittance and chemical resistance, comprising a glass cover plate body and a composite coating structure, wherein the composite coating structure is arranged on the top surface of the glass cover plate body, and the composite coating structure comprises a bottom layer, an intermediate layer and a top layer, wherein the bottom layer, the intermediate layer and the top layer are arranged in sequence from bottom to top on the top surface of the glass cover plate body.

[0006] As a further solution of the present invention: the thickness of the top surface layer is thicker than that of the middle layer and the bottom surface layer.

[0007] As a further solution of the present invention: the bottom surface layer is plated on the top surface of the glass cover body in the form of a coating, and the thickness of the bottom surface layer is between 60 nanometers and 90 nanometers.

[0008] As a further solution of the present invention: the bottom surface layer is aluminum oxide.

[0009] As a further solution of the present invention: the intermediate layer is plated on the top surface of the bottom layer in the form of a coating, and the thickness of the intermediate layer is between eighty nanometers and one hundred nanometers.

[0010] As a further solution of the present invention: the intermediate layer is indium arsenide.

[0011] As a further solution of the present invention: the top surface layer is plated on the top surface of the middle layer in the form of a coating, and the thickness of the top surface layer is between three microns and four microns.

[0012] As a further solution of the present invention: the top surface layer is polyester resin.

[0013] As a further solution of the present invention: the overall thickness of the glass cover body is thicker than the thickness of the composite coating structure.

[0014] As a further solution of the present invention: the multiple side edges of the composite coating structure composed of the bottom layer, the middle layer and the top layer are respectively in the same horizontal plane as the multiple side edges of the glass cover body.

[0015] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0016] In the present application, a composite coating structure is provided on the glass cover body, and chemical substances such as indium arsenide (InAs), aluminum oxide (Al2O3) and polyester resin are used to form a composite coating layer with specific functions and properties on the top surface of the glass cover body. This coating layer can not only enhance the hardness and wear resistance of the glass cover body, but also provide specific optical or electrical properties, thereby meeting the multifunctional requirements of the glass cover body in high-end fields. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a side view of the structure of the coating cover plate of the utility model that combines high transparency and chemical resistance;

[0018] Figure 2 This is a schematic diagram of the three-dimensional structure of the coating cover plate of the utility model that combines high transparency and chemical resistance;

[0019] Figure 3 This utility model Figure 2 A in the figure is an enlarged structural diagram.

[0020] The reference numerals and names in the figures are as follows:

[0021] 1. Glass cover plate body; 2. Composite coating structure; 201. Bottom layer; 202. Middle layer; 203. Top layer. DETAILED DESCRIPTION

[0022] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] See also Figure 1-3A coated cover plate that combines high transmittance and chemical resistance includes a glass cover plate body 1 and a composite coating structure 2. The composite coating structure 2 is arranged on the top surface of the glass cover plate body 1. The composite coating structure 2 includes a bottom layer 201, an intermediate layer 202 and a top layer 203. The bottom layer 201, the intermediate layer 202 and the top layer 203 are arranged in sequence from bottom to top on the top surface of the glass cover plate body 1. The overall thickness of the glass cover plate body 1 is thicker than the thickness of the composite coating structure 2.

[0024] See also Figure 1-2 In this embodiment, the thickness of the top layer 203 is thicker than that of the middle layer 202 and the bottom layer 201 .

[0025] Specifically, the top layer 203 composed of polyester resin is thicker, has good weather resistance, chemical resistance and scratch resistance, and can effectively protect the bottom layer 201 and the middle layer 202 from damage by the external environment.

[0026] See also Figure 1-3 In this embodiment, the bottom layer 201 is coated on the top surface of the glass cover body 1 in the form of a coating. The thickness of the bottom layer 201 is between 60 nanometers and 90 nanometers. The bottom layer 201 is aluminum oxide.

[0027] Specifically, aluminum oxide is a material with high hardness and high transparency, and constitutes the bottom layer 201 to enhance the hardness and wear resistance of the surface of the glass cover body 1 .

[0028] See also Figure 1-3 In this embodiment, the intermediate layer 202 is plated on the top surface of the bottom layer 201 in the form of a coating, the thickness of the intermediate layer 202 is between 80 nanometers and 100 nanometers, and the intermediate layer 202 is indium arsenide.

[0029] Specifically, indium arsenide is a semiconductor material with specific electrical and optical properties, and is used here as a specific electrical functional layer.

[0030] See also Figure 1-3 In this embodiment, the top surface layer 203 is plated on the top surface of the middle layer 202 in the form of a coating. The thickness of the top surface layer 203 is between three microns and four microns. The top surface layer 203 is polyester resin.

[0031] Specifically, polyester resin is a polymer material with good weather resistance, chemical resistance and scratch resistance. As the top layer 203, it provides a layer of protection to prevent the bottom layer 201 and the middle layer 202 from being damaged by the external environment.

[0032] See also Figure 2In this embodiment, the multiple side edges of the composite coating structure 2 composed of the bottom layer 201 , the middle layer 202 and the top layer 203 are respectively in the same horizontal plane as the multiple side edges of the glass cover body 1 .

[0033] Specifically, when the composite coating structure 2 is flush with multiple side surfaces of the glass cover body 1 , it is possible to prevent coating leakage or coating overflow, thereby ensuring the aesthetics and functional integrity of the glass cover body 1 .

[0034] The glass cover body 1 of the present application has the following advantages:

[0035] 1. Enhanced hardness and wear resistance: The bottom surface layer 201 composed of aluminum oxide provides high hardness and wear resistance, making the glass cover body 1 more durable.

[0036] 2. Specific optical or electrical properties: The intermediate layer 202 composed of indium arsenide can be used as a conductive layer with its optical or electrical properties adjusted as needed.

[0037] 3. Good weather resistance and chemical resistance: The top surface layer 203 composed of polyester resin provides good resistance to ultraviolet rays, moisture and chemicals, extending the service life of the glass cover body 1.

[0038] 4. Scratch resistance: The top surface layer 203 composed of polyester resin can effectively prevent the glass cover body 1 from being scratched by foreign objects.

[0039] 5. Aesthetics: The top surface layer 203 composed of polyester resin can also be adjusted in color and glossiness as needed to improve the aesthetics of the product.

[0040] In summary, the glass cover coating technology proposed in this patent adopts a layered coating method to sequentially form an aluminum oxide (Al2O3) bottom layer 201, an indium arsenide (InAs) intermediate layer 202, and a polyester resin top layer 203 on the top surface of the glass cover body 1. The aluminum oxide (Al2O3) bottom layer 201, as the first layer in contact with the glass cover body 1, has high hardness and high transparency, and can effectively enhance the hardness and wear resistance of the glass cover body 1. The indium arsenide (InAs) intermediate layer 202, as a functional layer, utilizes its semiconductor properties to provide specific optical or electrical properties for the glass cover body 1, such as as an optical filter or a conductive layer. The polyester resin top layer 203, as a protective layer, has good weather resistance, chemical resistance, and scratch resistance, and can effectively protect the bottom layer 201 and the intermediate layer 202 from damage by the external environment. In this application, by precisely controlling the thickness and composition of each layer, the performance of the glass cover body 1 can be optimized and customized to meet the multifunctional requirements of glass cover in different fields.

[0041] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. A coated cover plate that combines high transparency and chemical resistance, characterized in that: The invention comprises a glass cover plate body (1) and a composite coating structure (2), wherein the composite coating structure (2) is arranged on the top surface of the glass cover plate body (1), and the composite coating structure (2) comprises a bottom surface layer (201), an intermediate layer (202), and a top surface layer (203), and the bottom surface layer (201), the intermediate layer (202), and the top surface layer (203) are arranged in sequence from bottom to top on the top surface of the glass cover plate body (1).

2. The coated cover plate with high transparency and chemical resistance according to claim 1, characterized in that: The thickness of the top layer (203) is respectively thicker than the thickness of the middle layer (202) and thicker than the thickness of the bottom layer (201).

3. The coated cover plate with high transparency and chemical resistance according to claim 1, characterized in that: The bottom surface layer (201) is plated on the top surface of the glass cover plate body (1) in the form of a coating, and the thickness of the bottom surface layer (201) is between 60 nanometers and 90 nanometers.

4. The coated cover plate with high transparency and chemical resistance according to claim 1, characterized in that: The bottom surface layer (201) is aluminum oxide.

5. The coated cover plate with high transparency and chemical resistance according to claim 1, characterized in that: The intermediate layer (202) is plated on the top surface of the bottom layer (201) in the form of a coating film, and the thickness of the intermediate layer (202) is between 80 nanometers and 100 nanometers.

6. The coated cover plate with high transparency and chemical resistance according to claim 1, characterized in that: The intermediate layer (202) is indium arsenide.

7. The coated cover plate with high transparency and chemical resistance according to claim 1, characterized in that: The top surface layer (203) is plated on the top surface of the middle layer (202) in the form of a coating film, and the thickness of the top surface layer (203) is between three microns and four microns.

8. The coated cover plate integrating high transparency and chemical resistance according to claim 1, characterized in that: The top surface layer (203) is polyester resin.

9. The coated cover plate integrating high transparency and chemical resistance according to claim 1, characterized in that: The overall thickness of the glass cover plate body (1) is thicker than the thickness of the composite coating structure (2).

10. The coated cover plate integrating high transparency and chemical resistance according to claim 1, characterized in that: The multiple side edges of the composite coating structure (2) composed of the bottom surface layer (201), the middle layer (202) and the top surface layer (203) are respectively located at the same horizontal plane as the multiple side edges of the glass cover plate body (1).