Double-layer wear-resistant coated cover plate and display screen comprising same
By employing a multi-layer coating technology using bismuth trioxide, zirconium nitride, and niobium nitride, the problem of insufficient wear resistance and corrosion resistance of traditional glass covers in extreme environments has been solved, resulting in a comprehensive improvement in the performance of glass covers, making them suitable for electronic display devices.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-07
- Publication Date
- 2026-03-20
AI Technical Summary
Traditional glass covers lack sufficient wear resistance and corrosion resistance under extreme operating conditions, making it difficult to meet the requirements of high-performance electronic display devices.
Multilayer coating technology using materials such as bismuth trioxide, zirconium nitride, and niobium nitride, through precise control of the thickness and layer structure of each layer, combined with vacuum coating technology, forms a dense coating layer, improving the wear resistance, corrosion resistance, and optical performance of the glass cover.
It significantly improves the wear resistance, corrosion resistance, and optical properties of the glass cover, enhances the overall performance of the equipment, and adapts to the specific needs of different application scenarios.
Smart Images

Figure CN224015750U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to display screen cover plate technical field, specifically, it relates to a kind of double-layer wear-resistant coated cover plate and the display screen comprising it. BACKGROUND
[0002] With the continuous progress of science and technology, especially the rapid development of electronic display technology, the performance requirements of glass cover plate, a key component in display equipment, are increasingly improved. Although traditional glass cover plate has basic transparency and mechanical strength, it is not capable of dealing with extreme use environments (such as high wear, strong corrosion, etc.). Therefore, it is particularly important to develop a glass cover plate coating technology with higher wear resistance, corrosion resistance and adjustable optical performance. SUMMARY
[0003] The utility model discloses a double-layer wear-resistant coated cover plate, aiming to partially solve the above technical problems.
[0004] Specifically, the utility model discloses the following technical scheme: a double-layer wear-resistant coated cover plate, comprising a cover plate body, a bismuth trioxide layer, a zirconium nitride layer and a niobium nitride layer are sequentially stacked on the front surface of the cover plate body; wherein the thickness of the bismuth trioxide layer is 20-30 nm, the thickness of the zirconium nitride layer is 40-50 nm, and the thickness of the niobium nitride layer is 30-40 nm.
[0005] As a preferred technical scheme, the zirconium nitride layer is provided with a multilayer structure, and the total thickness of the multilayer stacked zirconium nitride layer is 40-50 nm.
[0006] As a preferred technical scheme, the niobium nitride layer is provided with a multilayer structure, and the total thickness of the multilayer stacked niobium nitride layer is 30-40 nm.
[0007] As a preferred technical scheme, the back surface of the cover plate body is provided with a cover bottom layer, which is a gray ink layer or a black ink layer.
[0008] As a preferred technical scheme, the cover bottom layer is made of a screen printing technology, and the thickness of the cover bottom layer is 10-30 μm.
[0009] As a preferred technical scheme, a UV glue transfer layer and an ink printing layer made of a screen printing technology are arranged between the cover bottom layer and the back surface of the cover plate body.
[0010] As a preferred technical scheme, the UV glue transfer layer is arranged above the ink printing layer.
[0011] As a preferred technical scheme, the cover plate body is a glass cover plate, and the thickness of the glass cover plate is 75-80 nm.
[0012] Preferably, the glass cover plate is a 2.5D or 3D glass, and the four edges are downward inclined or curved.
[0013] In another aspect, a display screen is also provided, comprising the double-layer wear-resistant coated cover plate as described above.
[0014] The glass cover plate coating technology based on bismuth trioxide, zirconium nitride and niobium nitride and other advanced materials is provided, and the core lies in that the thickness and layered structure of each material layer are accurately controlled to realize significant improvement of the glass cover plate in wear resistance, corrosion resistance, optical performance and functionality. BRIEF DESCRIPTION OF DRAWINGS
[0015] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed in the embodiments will be briefly introduced below, and it should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation on the scope, and for those skilled in the art, other related drawings can also be obtained without creative labor on the premise of not paying creative labor.
[0016] Figure 1 A double-layer wear-resistant coated cover plate structure diagram is provided for the embodiments of the present application Figure 1
[0017] Figure 2 A double-layer wear-resistant coated cover plate structure diagram is provided for the embodiments of the present application Figure 2
[0018] Legend: cover plate body 1; bismuth trioxide layer 2; zirconium nitride layer 3; niobium nitride layer 4; cover bottom layer 5; UV glue transfer printing layer 6; ink printing layer 7. DETAILED DESCRIPTION
[0019] Example implementations will now be described more fully with reference to the accompanying drawings. Example implementations can, however, be implemented in many different forms and should not be construed as limited to the examples set forth herein; rather, these implementations are provided so that this disclosure will be thorough and complete, and will fully convey the scope of example implementations to those skilled in the art.
[0020] Moreover, the described features, structures, or characteristics can be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided to give a thorough understanding of embodiments of the application. One skilled in the relevant art will recognize, however, that the
[0021] The block diagrams in the drawings show only the functionality of the features and can not imply a physical or architectural arrangement of the devices. No inference should be made regarding databases (i.e., information stored in memory or other storage), logical connections, physical connections, or relationships of the devices to each other. Functional aspects can be implemented in software, hardware, firmware, or a combination thereof. Various functions described in this disclosure can be implemented, for example, in one or more microcontrollers, integrated circuits, or other suitable devices.
[0022] The flow diagrams depicted in the figures are examples only and are not necessarily meant to include all of the steps, operations, or processes, nor are they necessarily meant to be performed in the order shown. For example, some steps, operations, or processes can be combined or partially combined, and the order of execution can be changed depending on the circumstances.
[0023] It should be noted that the term "a plurality of" as referred to herein means two or more.
[0024] Examples
[0025] As Figure 1 As shown in the drawings, a double-layer wear-resistant plating cover plate is provided in the present embodiment, which comprises a cover plate body 1, and a bismuth trioxide layer 2, a zirconium nitride layer 3 and a niobium nitride layer 4 are sequentially stacked on the front surface of the cover plate body 1; wherein the thickness of the bismuth trioxide layer 2 is 20-30 nm, the thickness of the zirconium nitride layer 3 is 40-50 nm, and the thickness of the niobium nitride layer 4 is 30-40 nm. The zirconium nitride and niobium nitride layer 4 can significantly improve the wear resistance of the glass cover plate and prolong the service life. The bismuth trioxide layer 2 can adjust the optical performance of the plating film, such as enhancing the anti-reflection, to meet the specific optical requirements. The bismuth trioxide as the bottom layer can enhance the anti-reflection and has strong adhesion with the glass, which can be used as an adhesion layer.
[0026] Preferably, the zirconium nitride layer 3 is configured as a multi-layer structure, and the total thickness of the zirconium nitride layer 3 formed by multiple layers is 40-50 nm. The zirconium nitride layer 3 can enhance wear resistance and corrosion resistance.
[0027] Preferably, the niobium nitride layer 4 is configured as a multi-layer structure, and the total thickness of the niobium nitride layer 4 formed by multiple layers is 30-40 nm. The niobium nitride can further enhance wear resistance and corrosion resistance.
[0028] Further, as shown in Figure 2 The back surface of the cover plate body 1 is provided with a cover bottom layer 5, which is a gray ink layer or a black ink layer. The cover bottom layer 5 is a cover bottom layer 5 made by screen printing technology, and the thickness of the cover bottom layer 5 is 10-30 μm. It can play a shading effect.
[0029] Further, the cover bottom layer 5 and the back surface of the cover plate body 1 are provided with a UV glue transfer layer 6 and an ink printing layer 7 made by screen printing technology. The UV glue transfer layer 6 is arranged above the ink printing layer 7.
[0030] The cover plate body 1 is a glass cover plate, and the thickness of the glass cover plate is 75-80 nm. The glass cover plate can be a 2.5D or 3D glass, and the four edges are downward inclined surfaces or curved surfaces.
[0031] The high-melting-point plated cover plate is applied to the display screen, which enhances the hardness, wear resistance and corrosion resistance of the glass cover plate, and also optimizes the thermal and optical properties, thereby improving the overall performance and user experience of the device. This innovative design overcomes the limitations of traditional glass cover plates in many aspects, and brings revolutionary technological progress to the electronic display field.
[0032] The above specific embodiments further illustrate the purpose, technical solutions and beneficial effects of the present application. It should be understood that the above description is only a specific embodiment of the present application and is not used to limit the protection scope of the present application. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.
Claims
1. A double-layer wear-resistant coated cover plate, characterized in that, The device includes a cover plate body, on the front side of which a bismuth trioxide layer, a zirconium nitride layer, and a niobium nitride layer are sequentially stacked; wherein the thickness of the bismuth trioxide layer is 20-30 nm, the thickness of the zirconium nitride layer is 40-50 nm, and the thickness of the niobium nitride layer is 30-40 nm.
2. The double-layer wear-resistant coated cover plate according to claim 1, characterized in that, The zirconium nitride layer is configured as a multilayer structure, and the total thickness of the multilayer zirconium nitride layer is 40-50 nm.
3. The double-layer wear-resistant coated cover plate according to claim 1, characterized in that, The niobium nitride layer is configured as a multilayer structure, and the total thickness of the multilayer niobium nitride layer is 30-40 nm.
4. The double-layer wear-resistant coated cover plate according to claim 1, characterized in that, The back of the cover plate body is provided with a cover bottom layer, which is a gray ink layer or a black ink layer.
5. A double-layer wear-resistant coated cover plate according to claim 4, characterized in that, The cover layer is made using screen printing technology, and the thickness of the cover layer is 10-30 μm.
6. A double-layer wear-resistant coated cover plate according to claim 5, characterized in that, A UV adhesive transfer layer and an ink printing layer made using screen printing technology are provided between the bottom layer of the cover and the back of the cover body.
7. A double-layer wear-resistant coated cover plate according to claim 6, characterized in that, The UV adhesive transfer layer is located above the ink printing layer.
8. A double-layer wear-resistant coated cover plate according to any one of claims 1-7, characterized in that, The cover plate body is a glass cover plate, and the thickness of the glass cover plate is 75-80 nm.
9. A double-layer wear-resistant coated cover plate according to claim 8, characterized in that, The glass cover is 2.5D or 3D glass, with downward-sloping or curved edges on all four sides.
10. A display screen, characterized in that, Including a double-layer wear-resistant coated cover plate as described in any one of claims 1-9.