Coated cover plate with metallic appearance

By stacking titanium nitride, aluminum silicate, and chromium-nickel alloy layers on a glass substrate, and adding a thermochromic ink layer and an anti-fingerprint film to the non-visible area, the scratch and corrosion resistance problems of the glass substrate are solved, the metallic texture and aesthetics are improved, and the competitiveness of the product is enhanced.

CN223837310UActive Publication Date: 2026-01-27TRULY OPTO ELECTRONICS
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Patent Information

Application Number
CN202520222986.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-12
Publication Date
2026-01-27
Estimated Expiration
2035-02-12

AI Technical Summary

Technical Problem

Traditional glass substrates are insufficient in terms of scratch resistance and corrosion resistance, and have poor aesthetics, which affects product competitiveness.

Method used

A titanium nitride layer, an aluminum silicate layer, and a chromium-nickel alloy layer are sequentially stacked on a glass substrate, and a thermochromic ink layer and an anti-fingerprint film are set in the non-visible area to form a multi-layer structure to improve hardness and aesthetics.

Benefits of technology

It significantly improves the scratch and corrosion resistance of the glass substrate, while giving it a metallic appearance, enhancing the product's aesthetics and competitiveness.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a coated cover plate with metallic appearance, which comprises a glass substrate, and a titanium nitride layer, an aluminum silicate layer and a chromium-nickel alloy layer which are sequentially superposed on the glass substrate from bottom to top, the chromium-nickel alloy layer is positioned in a non-visual area, the thickness of the titanium nitride layer is 8-18nm, the thickness of the aluminum silicate layer is 9-19mu m, and the thickness of the chromium-nickel alloy layer is 9-19mu m. The thickness of the chromium-nickel alloy layer ranges from 9 micrometers to 19 micrometers. The glass substrate serves as a supporting body, light transmission and structural strength are guaranteed, the front coating layer of the glass substrate is formed by combining the titanium nitride layer, the aluminum silicate layer and the chromium-nickel alloy layer, and the hardness, abrasion resistance, corrosion resistance and attractiveness of the cover plate are remarkably improved. Wherein the titanium nitride layer and the aluminum silicate layer act synergistically to form a firm protective barrier; and the chromium-nickel alloy layer is selectively applied to a non-visual area to endow the cover plate with metal texture. The scratch resistance and the corrosion resistance of the glass substrate are improved, and meanwhile, the glass substrate has a metal texture appearance, so that the attractiveness of the glass substrate is improved.
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Description

Technical Field

[0001] This utility model relates to the field of display technology, and more specifically, to a coated cover plate with a metallic appearance. Background Technology

[0002] With the rapid development of technology, the requirements for cover materials in various electronic devices are becoming increasingly stringent. They not only need excellent light transmittance and structural strength, but also aesthetics, durability, and special functionality. While traditional glass substrates can meet basic requirements, they have limitations in scratch resistance and corrosion resistance, and their aesthetics are particularly lacking, reducing the competitiveness of the products. Utility Model Content

[0003] The technical problem to be solved by this utility model is how to improve the scratch resistance and corrosion resistance of glass substrates, while giving the glass substrates a metallic appearance, thereby improving the aesthetics of the glass substrates and thus enhancing the competitiveness of the products.

[0004] The technical problem to be solved by this utility model is achieved through the following technical solution:

[0005] To solve the above-mentioned technical problems, this utility model provides a coated cover plate with a metallic appearance, which includes a glass substrate and a titanium nitride layer, an aluminum silicate layer and a chromium-nickel alloy layer sequentially stacked on the glass substrate from bottom to top. The chromium-nickel alloy layer is located in the non-visible area. The thickness of the titanium nitride layer is 8nm-18nm, the thickness of the aluminum silicate layer is 9μm-19μm, and the thickness of the chromium-nickel alloy layer is 9μm-19μm.

[0006] As a preferred embodiment of the coated cover plate with a metallic appearance provided by this utility model, a thermochromic ink layer is provided on the lower surface of the glass substrate located in the non-visible area.

[0007] In a preferred embodiment of the coated cover plate with a metallic appearance provided by this utility model, the thickness of the thermochromic ink layer is 8μm-10μm.

[0008] As a preferred embodiment of the coated cover plate with a metallic appearance provided by this utility model, a calcium silicate protective layer is provided on the lower surface of the thermochromic ink layer.

[0009] In a preferred embodiment of the coated cover plate with a metallic appearance provided by this utility model, the thickness of the calcium silicate protective layer is 9μm-16μm.

[0010] As a preferred embodiment of the coated cover plate with a metallic appearance provided by this utility model, an anti-fingerprint film is provided on the upper surface of the chromium-nickel alloy layer.

[0011] As a preferred embodiment of the coated cover plate with a metallic appearance provided by this utility model, the thickness of the anti-fingerprint film is 1μm to 10μm.

[0012] As a preferred embodiment of the coated cover plate with a metallic appearance provided by this utility model, a surface treatment layer for improving surface roughness is provided on the upper surface of the chromium-nickel alloy layer located in the non-visible area.

[0013] As a preferred embodiment of the coated cover plate with a metallic appearance provided by this utility model, the surface treatment layer is a frosted treatment layer or an etched treatment layer.

[0014] As a preferred embodiment of the coated cover plate with a metallic appearance provided by this utility model, an adhesive layer is provided on the lower surface of the anti-fingerprint film located in the non-visible area.

[0015] This utility model has the following beneficial effects:

[0016] The glass substrate serves as the support, ensuring both light transmittance and structural strength. The front coating of the glass substrate employs a combination of titanium nitride, aluminum silicate, and chromium-nickel alloy layers, significantly enhancing the cover's hardness, wear resistance, corrosion resistance, and aesthetics. Specifically, the titanium nitride and aluminum silicate layers work synergistically to form a robust protective barrier; the chromium-nickel alloy layer is selectively applied to non-viewing areas, giving the cover a metallic texture. This improves the glass substrate's scratch and corrosion resistance while simultaneously giving it a metallic appearance, thus enhancing its aesthetics and ultimately improving the product's competitiveness. This design, through precise material selection and layered structure design, achieves a dual leap in both protective and functional aspects of the cover material, bringing a revolutionary breakthrough to the field of electronic device cover materials. Attached Figure Description

[0017] To more clearly illustrate the solutions in this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are some embodiments of this application. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0018] Figure 1 A schematic diagram of the structure of a coated cover plate with a metallic appearance provided by this utility model.

[0019] Figure 2 for Figure 1 A schematic diagram of the improved structure.

[0020] Explanation of icon numbers:

[0021] 1. Glass substrate; 2. Titanium nitride layer; 3. Aluminum silicate layer; 4. Chromium-nickel alloy layer; 5. Thermochromic ink layer; 6. Calcium silicate protective layer; 7. Anti-fingerprint film. Detailed Implementation

[0022] To enable those skilled in the art to better understand the present invention, the technical solutions of the present invention 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 invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort should fall within the protection scope of the present invention.

[0023] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0024] Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first," "second," or "third" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0025] This utility model provides a coated cover plate with a metallic appearance, which includes a glass substrate and a titanium nitride layer, an aluminum silicate layer and a chromium-nickel alloy layer sequentially stacked on the glass substrate from bottom to top. The chromium-nickel alloy layer is located in the non-visible area. The thickness of the titanium nitride layer is 8nm-18nm, the thickness of the aluminum silicate layer is 9μm-19μm, and the thickness of the chromium-nickel alloy layer is 9μm-19μm.

[0026] The glass substrate serves as the support, ensuring both light transmittance and structural strength. The front coating of the glass substrate employs a combination of titanium nitride, aluminum silicate, and chromium-nickel alloy layers, significantly enhancing the cover's hardness, wear resistance, corrosion resistance, and aesthetics. Specifically, the titanium nitride and aluminum silicate layers work synergistically to form a robust protective barrier; the chromium-nickel alloy layer is selectively applied to non-viewing areas, giving the cover a metallic texture. This improves the glass substrate's scratch and corrosion resistance while simultaneously giving it a metallic appearance, thus enhancing its aesthetics and ultimately improving the product's competitiveness. This design, through precise material selection and layered structure design, achieves a dual leap in both protective and functional aspects of the cover material, bringing a revolutionary breakthrough to the field of electronic device cover materials.

[0027] To enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. The present invention will be described in detail below with reference to the accompanying drawings and embodiments, examples of which are shown in the drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, and should not be construed as limiting the present invention.

[0028] Example 1, please refer to Figure 1 This invention provides a coated cover plate with a metallic appearance, comprising a glass substrate 1 and a titanium nitride layer 2, an aluminum silicate layer 3, and a chromium-nickel alloy layer 4 sequentially stacked on the glass substrate 1 from bottom to top. The chromium-nickel alloy layer 4 is located in the non-visible area. The thickness of the titanium nitride layer 2 is 8nm-18nm, the thickness of the aluminum silicate layer 3 is 9μm-19μm, and the thickness of the chromium-nickel alloy layer 4 is 9μm-19μm. The glass substrate 1 serves as a support, ensuring light transmittance and structural strength. The coating layer on the front of the glass substrate 1 uses a combination of the titanium nitride layer 2, the aluminum silicate layer 3, and the chromium-nickel alloy layer 4, significantly improving the cover plate's hardness, wear resistance, corrosion resistance, and aesthetics. Specifically, the titanium nitride layer 2 and the aluminum silicate layer 3 work synergistically to form a robust protective barrier; the chromium-nickel alloy layer 4 is selectively applied to the non-visible area, giving the cover plate a metallic texture. This design enhances the scratch and corrosion resistance of the glass substrate 1, while also giving it a metallic appearance, thereby improving its aesthetics and ultimately enhancing the product's competitiveness. Through precise material selection and layered structure design, this design achieves a dual leap forward in both the protective and functional aspects of the cover material, bringing a revolutionary breakthrough to the field of electronic device cover materials.

[0029] Furthermore, a thermochromic ink layer 5 is disposed on the lower surface of the glass substrate 1 located in the non-visible area, and a calcium silicate protective layer 6 is disposed on the lower surface of the thermochromic ink layer 5. The thickness of the thermochromic ink layer 5 is 8μm-10μm, and the thickness of the calcium silicate protective layer 6 is 9μm-16μm. The thermochromic ink layer 5 is innovatively introduced into the back bezel area of ​​the glass substrate 1, utilizing the characteristic of the material to change color with temperature to provide users with intuitive temperature indication; in order to prevent damage to the ink layer, a calcium silicate protective layer 6 is specially provided, which effectively resists scratches and wear, and ensures the long-term stable operation of the ink layer.

[0030] Example 2, please refer to Figure 2 As a further optimization of Embodiment 1, in this embodiment, an anti-fingerprint film 7 is provided on the upper surface of the chromium-nickel alloy layer 4, so that users can avoid fingerprints remaining on the surface of the cover during use, thereby improving the aesthetics of the LCD screen and enhancing the competitiveness of the product.

[0031] Furthermore, the thickness of the anti-fingerprint film 7 is 1 μm to 10 μm.

[0032] Furthermore, a surface treatment layer for improving surface roughness is provided on the upper surface of the chromium-nickel alloy layer 4 located in the non-visible area. This surface treatment layer is either a frosted layer or an etched layer. An adhesive layer is provided on the lower surface of the anti-fingerprint film 7 located in the non-visible area, so that the anti-fingerprint film 7 can be more firmly adhered to the upper surface of the chromium-nickel alloy layer 4. More preferably, the thickness of the adhesive layer is 0.5 μm.

[0033] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a connection that allows communication between them; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0034] Obviously, the embodiments described above are only some embodiments of this application, not all embodiments. The accompanying drawings show preferred embodiments of this application, but do not limit the patent scope of this application. This application can be implemented in many different forms; rather, the purpose of providing these embodiments is to provide a more thorough and comprehensive understanding of the disclosure of this application. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing specific embodiments, or make equivalent substitutions for some of the technical features. Any equivalent structures made using the content of this application's specification and drawings, directly or indirectly applied to other related technical fields, are similarly within the scope of patent protection of this application.

Claims

1. A coated cover plate with a metallic appearance, characterized in that, It includes a glass substrate and a titanium nitride layer, an aluminum silicate layer, and a chromium-nickel alloy layer sequentially stacked on the glass substrate from bottom to top. The chromium-nickel alloy layer is located in the non-visible area. The thickness of the titanium nitride layer is 8nm-18nm, the thickness of the aluminum silicate layer is 9μm-19μm, and the thickness of the chromium-nickel alloy layer is 9μm-19μm.

2. The coated cover plate with a metallic appearance according to claim 1, characterized in that, A thermochromic ink layer is provided on the lower surface of the glass substrate located in the non-visible area.

3. The coated cover plate with a metallic appearance according to claim 2, characterized in that, The thickness of the thermochromic ink layer is 8μm-10μm.

4. The coated cover plate with a metallic appearance according to claim 2, characterized in that, A calcium silicate protective layer is provided on the lower surface of the thermochromic ink layer.

5. The coated cover plate with a metallic appearance according to claim 4, characterized in that, The thickness of the calcium silicate protective layer is 9μm-16μm.

6. The coated cover plate with a metallic appearance according to claim 1, characterized in that, The upper surface of the chromium-nickel alloy layer is provided with an anti-fingerprint film.

7. The coated cover plate with a metallic appearance according to claim 6, characterized in that, The thickness of the anti-fingerprint film is 1 μm to 10 μm.

8. The coated cover plate with a metallic appearance according to claim 6, characterized in that, The upper surface of the chromium-nickel alloy layer located in the non-visible area is provided with a surface treatment layer to improve surface roughness.

9. The coated cover plate with a metallic appearance according to claim 8, characterized in that, The surface treatment layer is a frosted layer or an etched layer.

10. The coated cover plate with a metallic appearance according to claim 6, characterized in that, An adhesive layer is provided on the lower surface of the anti-fingerprint film located in the non-visible area.