Novel coated cover plate with thermal stability

Abstract

The utility model relates to the technical field of coated cover plates, in particular to a novel coated cover plate with thermal stability. The glass comprises a glass base layer, a bottom layer, a middle layer and a top layer, the bottom layer covers the glass base layer and provides a stable basis for other coating layers; the middle layer is plated on the bottom layer and is used for improving the optical performance and durability of the glass base layer; and the top layer is plated on the middle layer and is used for improving the thermal stability of the glass film layer. According to the utility model, by utilizing the excellent characteristics of neodymium oxide (Nd2O3), neodymium fluoride (NdF3) and aluminum nitride (AlN) and accurately controlling the deposition of chemical substances on the surface of the glass, a layered structure with specific functions and performances is formed, so that the optical performance, durability and thermal stability of the glass are obviously improved, and the strict requirements of future high-tech products are met.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of plated cover plate, particularly to a novel plated cover plate with thermal stability. BACKGROUND

[0002] With the progress of science and technology, the requirements for electronic devices and display screens are increasingly improved, especially the performance requirements for the surface glass cover plate are more stringent. The traditional glass cover plate has deficiencies in scratch resistance, anti-reflection and thermal stability, and it is difficult to meet the needs of high-end applications. Therefore, developing a new type of plating technology, by precisely controlling the deposition of chemicals on the glass surface, forming a layered structure with specific functions and properties, has become the key to improving the comprehensive performance of glass cover plate. SUMMARY

[0003] The utility model aims at the problems in the background art, proposes a novel plated cover plate with thermal stability; by utilizing the excellent characteristics of neodymium oxide (Nd2O3), neodymium fluoride (NdF3) and aluminum nitride (AlN), a multilayer plating structure is constructed on the front surface of the glass cover plate, aiming to significantly improve its optical performance, durability and thermal stability, and meet the stringent requirements of future high-tech products.

[0004] The technical scheme of the utility model, a novel plated cover plate with thermal stability, comprises a glass base layer, a bottom layer, an intermediate layer and a top layer.

[0005] The bottom layer is covered on the glass base layer, providing a stable foundation for other plating layers.

[0006] The intermediate layer is plated on the bottom layer, used to improve the optical performance and durability of the glass base layer.

[0007] The top layer is plated on the intermediate layer, used to improve the thermal stability of the glass film layer.

[0008] Preferably, the top layer, intermediate layer and bottom layer constitute the glass film layer.

[0009] Preferably, the glass film layer and the glass base layer combine to form a cover plate.

[0010] Preferably, the bottom layer is an aluminum nitride layer; the aluminum nitride layer has thermal stability and chemical stability, and provides certain adhesion and protection after being tightly combined with the glass base layer, preventing the plating layer from falling off or being damaged.

[0011] Preferably, the thickness of the bottom layer is 50-80nm.

[0012] Preferably, the intermediate layer is a neodymium oxide layer, which has high refractive index and good optical transmittance.

[0013] Preferably, the thickness of the neodymium oxide layer is 100-200nm.

[0014] Preferably, the top layer is a neodymium fluoride layer, and the neodymium fluoride layer forms a close connection structure with the intermediate layer as a dopant.

[0015] Preferably, the thickness of the neodymium fluoride layer is 200-250 nm.

[0016] Preferably, the bottom layer, the intermediate layer and the top layer are formed by vacuum plating.

[0017] Compared with the prior art, the novel plated cover plate has the following beneficial technical effects:

[0018] The aluminum nitride, the neodymium oxide and the neodymium fluoride are sequentially deposited on the surface of the glass cover plate by the plating process to form a layered structure with specific functions. The aluminum nitride as the bottom layer provides a solid base for the entire plating system due to its excellent thermal stability and chemical stability, ensuring the close combination and long-term stability of the plating layer and the glass substrate. The neodymium oxide as the intermediate layer not only realizes the optical effects of anti-reflection and anti-scratch due to its high refractive index and good optical transmittance, but also significantly enhances the wear resistance, corrosion resistance and scratch resistance of the glass cover plate, improving the service life and visual effect of the product. The neodymium fluoride as the top layer not only strengthens the bonding force between the layers, but also further improves the thermal stability of the plating layer, so that the entire structure can maintain stable performance in complex environments. Through this innovative design, the performance of the glass cover plate is successfully upgraded, providing strong support for the development of high-tech products. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 FIG. 1 is a structural schematic view of a cover plate in an embodiment of the present application;

[0020] Figure 2 FIG. 2 is a cross-sectional structural schematic view of the cover plate in the embodiment of the present application;

[0021] Figure 3 FIG. 3 is a partial enlarged view of FIG. 2. Figure 2

[0022] Reference signs: 1, cover plate; 2, top layer; 3, intermediate layer; 4, bottom layer; 5, glass base layer. DETAILED DESCRIPTION

[0023] Embodiment 1

[0024] As shown in FIG. 1, the novel plated cover plate with thermal stability according to the present application comprises a glass base layer 5, a bottom layer 4, an intermediate layer 3 and a top layer 2. Figure 2

[0025] ​​Wherein, the glass film layer is formed by the top layer 2, the middle layer 3 and the bottom layer 4; and the combination of the glass film layer and the glass base layer 5 forms the cover plate 1 as shown in Figure 1

[0026] In the embodiment, as shown in Figure 3 The bottom layer 4 covers the glass base layer 5, providing a stable foundation for other coating layers; the bottom layer 4 is an aluminum nitride layer; the aluminum nitride layer has thermal stability and chemical stability, and after being closely combined with the glass base layer 5, it provides certain adhesion and protection effect to prevent the coating layer from falling off or being damaged; in an optional embodiment, the thickness of the bottom layer 4 is 50-80nm.

[0027] The middle layer 3 is coated on the bottom layer 4, used to improve the optical performance and durability of the glass base layer 5; wherein, the middle layer 3 is a neodymium oxide layer, which has high refractive index and good optical transmittance, can achieve specific optical effects such as anti-reflection, anti-reflection or color adjustment, and improve the optical performance of the glass cover plate. Durability: neodymium oxide can increase the wear resistance, corrosion resistance and scratch resistance of glass, prolong the service life of the glass cover plate. Aesthetics: the neodymium oxide coating can make the glass surface smoother and more lustrous, improving the visual effect; in an optional embodiment, the thickness of the neodymium oxide layer is 100-200nm.

[0028] The top layer 2 is coated on the middle layer 3, used to improve the thermal stability of the glass film layer. The top layer 2 is a neodymium fluoride layer, which forms a closely connected structure with the middle layer 3 as a dopant and can improve the thermal stability of the glass film layer; in an optional embodiment, the thickness of the neodymium fluoride layer is 200-250nm. In the embodiment, the bottom layer 4, the middle layer 3 and the top layer 2 are all formed by vacuum coating.

[0029] The utility model innovatively uses the coating process to sequentially deposit aluminum nitride, neodymium oxide and neodymium fluoride on the surface of the glass cover plate, forming a layered structure with specific functions. As the bottom layer, aluminum nitride provides a solid foundation for the entire coating system with its excellent thermal stability and chemical stability, ensuring the close combination of the coating layer and the glass substrate and long-term stability. As the middle layer, neodymium oxide not only realizes optical effects such as anti-reflection and anti-reflection due to its high refractive index and good optical transmittance, but also significantly enhances the wear resistance, corrosion resistance and scratch resistance of the glass cover plate, improving the service life and visual effect of the product. As the top layer, neodymium fluoride not only strengthens the bonding force between the layers, but also further improves the thermal stability of the coating layer, so that the entire structure can still maintain stable performance in complex environments. Through this innovative design, the patent successfully realizes the overall upgrade of the performance of the glass cover plate, providing strong support for the development of high-tech products.

[0030] ​The embodiment of the utility model is described in detail above in combination with the drawings, but the utility model is not limited to this, and various changes can be made within the knowledge range possessed by the person skilled in the art without departing from the purpose of the utility model.

Claims

1. A novel coated cover plate having thermal stability, characterized by, The glass film layer comprises a glass base layer (5), a bottom layer (4), an intermediate layer (3) and a top layer (2). The bottom layer (4) is coated on the glass base layer (5) to provide a stable foundation for other coating layers. The intermediate layer (3) is coated on the bottom layer (4) to improve the optical performance and durability of the glass base layer (5). The top layer (2) is coated on the intermediate layer (3) to improve the thermal stability of the glass film layer.

2. The novel coated cover plate with thermal stability according to claim 1, characterized in that, The top layer (2), the intermediate layer (3) and the bottom layer (4) constitute the glass film layer.

3. The novel coated cover plate with thermal stability according to claim 2, characterized in that, The glass film layer and the glass base layer (5) constitute the cover plate (1).

4. The novel coated cover plate with thermal stability according to claim 1, characterized in that, The bottom layer (4) is an aluminum nitride layer, which has thermal stability and chemical stability, and provides certain adhesion and protection after being closely combined with the glass base layer (5), preventing the coating layer from falling off or being damaged.

5. The novel coated cover plate with thermal stability according to claim 4, characterized in that, The thickness of the bottom layer (4) is 50-80nm.

6. The novel coated cover plate with thermal stability according to claim 1, characterized in that, The intermediate layer (3) is a neodymium oxide layer, which has high refractive index and good optical transmittance.

7. The novel coated cover plate with thermal stability according to claim 6, characterized in that, The thickness of the neodymium oxide layer is 100-200nm.

8. The novel coated cover plate with thermal stability according to claim 1, characterized in that, The top layer (2) is a neodymium fluoride layer, which forms a closely connected structure with the intermediate layer (3) as a dopant.

9. The novel coated cover plate with thermal stability according to claim 1, characterized in that, The thickness of the neodymium fluoride layer is 200-250nm.

10. The novel coated cover plate with thermal stability according to claim 1, characterized in that, The bottom layer (4), the intermediate layer (3) and the top layer (2) are all formed by vacuum coating.

Images