Scratch-resistant and corrosion-resistant coated cover plate and handheld communication equipment

Abstract

The utility model discloses an anti-scratch and anti-corrosion coated cover plate and handheld communication equipment, the anti-scratch and anti-corrosion coated cover plate comprises a glass substrate, and an aluminum oxide layer, a methacryloxysilane layer and a niobium nitride layer which are sequentially overlaid on the upper surface of the glass substrate from bottom to top, the thickness of the aluminum oxide layer is 10nm-30nm, the thickness of the niobium nitride layer is 10nm-30nm, the thickness of the methacryloxysilane layer is 10nm-30nm, and the thickness of the niobium nitride layer is 10nm-30nm. The thickness of the methacryloxysilane layer is 25 nm to 35 nm, and the thickness of the niobium nitride layer is 5 nm to 10 nm. On the basis of excellent hardness, wear resistance and chemical stability, the aluminum oxide layer effectively resists external scratches and corrosion, and the scratch resistance and corrosion resistance of the coated cover plate are improved, so that the competitiveness of a product is improved; the methylacryloyloxy silane layer further enhances the hardness and the scratch resistance, and meanwhile, the performance of the glass substrate is improved by utilizing the high thermal conductivity and the electromagnetic shielding function of the methylacryloyloxy silane layer; the niobium nitride layer is used as a top layer, and the unique physical and chemical properties of the niobium nitride layer provide additional protection for the glass substrate.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of liquid crystal display technical field, more specifically, it relates to a kind of scratch-proof corrosion-resistant coated cover plate and handheld communication equipment. BACKGROUND

[0002] With the rapid development of technology products, the requirements of glass cover plate are increasing, especially in hardness, wear resistance, scratch resistance and corrosion resistance. Traditional glass cover plate is difficult to meet the double needs of scratch resistance and corrosion resistance of high-end equipment. Therefore, developing a new type of cover plate coating layer layered structure, by combining various high-performance materials, aims to significantly improve the comprehensive performance of glass cover plate, which becomes a technical problem to be solved in the industry. SUMMARY

[0003] The technical problem to be solved by the utility model is how to improve the scratch resistance and corrosion resistance of the coated cover plate to improve the competitiveness of the product.

[0004] The technical problem to be solved by the utility model is solved by the following technical scheme:

[0005] To solve the above technical problems, the utility model provides a kind of scratch-proof corrosion-resistant coated cover plate, which includes glass substrate and is sequentially stacked from bottom to top on the upper surface of the glass substrate aluminum oxide layer, methacryloyl oxysilane layer and niobium nitride layer, the thickness of the aluminum oxide layer is 10nm-30nm, the thickness of the methacryloyl oxysilane layer is 25nm-35nm, and the thickness of the niobium nitride layer is 5nm-10nm.

[0006] As a preferred embodiment of the scratch-proof corrosion-resistant coated cover plate provided by the utility model, the lower surface of the glass substrate in the non-display area is provided with a temperature-sensitive color-changing ink layer.

[0007] As a preferred embodiment of the scratch-proof corrosion-resistant coated cover plate provided by the utility model, the thickness of the temperature-sensitive color-changing ink layer is 8μm-10μm.

[0008] As a preferred embodiment of the scratch-proof corrosion-resistant coated cover plate provided by the utility model, the lower surface of the temperature-sensitive color-changing ink layer is provided with a metal protective layer, and the metal protective layer completely covers the temperature-sensitive color-changing ink layer.

[0009] As a preferred embodiment of the scratch-proof corrosion-resistant coated cover plate provided by the utility model, the material of the metal protective layer is aluminum.

[0010] As a preferred embodiment of the scratch-proof corrosion-resistant coated cover plate provided by the utility model, the thickness of the metal protective layer is 5μm-8μm.

[0011] The utility model provides a kind of handheld communication equipment, it includes the scratchproof anticorrosion film-coated cover plate as any one described above, the lower frame is provided in the lower of glass substrate, the lower frame includes bottom plate and the side wall that extends upwards along bottom plate edge, the glass substrate is located in the upper of the side wall and its edge is protruding from the edge of the side wall, the extension is extended outside the outside of the side wall, and the edge of the glass substrate is supported by the extension.

[0012] As a preferred embodiment of the handheld communication equipment provided by the utility model, the extension is provided with a reinforcing rib between the side wall.

[0013] As a preferred embodiment of the handheld communication equipment provided by the utility model, the extension is flush with the two ends of the glass substrate.

[0014] As a preferred embodiment of the handheld communication equipment provided by the utility model, the extension is provided with a chamfer between the side wall.

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

[0016] Glass substrate as the base of entire film-coated structure provides necessary strength and transparency; aluminum oxide layer has extremely high hardness, wear resistance and chemical stability, and can significantly improve the scratch resistance and corrosion resistance of glass substrate; methacryloyloxysilane layer can further enhance the hardness and scratch resistance of glass substrate, and its high thermal conductivity and electromagnetic shielding function adds additional performance to glass substrate. In addition, this layer can also form a firm chemical bond with the subsequent layer through its reactive functional group; niobium nitride layer provides additional protection for glass substrate with its high hardness, wear resistance and good corrosion resistance, and its unique physical and chemical properties may bring additional performance advantages. The layered structure of glass substrate film-coated layer proposed in the patent is that high-performance materials such as aluminum oxide layer, methacryloyloxysilane layer and niobium nitride layer are accurately coated on glass substrate in a layer-by-layer manner to form a firm front protective layer. Aluminum oxide layer effectively resists external scratches and corrosion with its excellent hardness, wear resistance and chemical stability, improves the scratch resistance and corrosion resistance of film-coated cover plate, and improves the competitiveness of products; methacryloyloxysilane layer further enhances hardness and scratch resistance, and uses its high thermal conductivity and electromagnetic shielding function to improve the performance of glass substrate; niobium nitride layer as top layer provides additional protection for glass substrate with its unique physical and chemical properties. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to make the scheme in the present application clearer, the drawings needed in the embodiment description will be briefly introduced as follows. Obviously, the drawings in the following description are some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative effort based on these drawings.

[0018] Figure 1 The structural schematic diagram of the scratch-proof and corrosion-resistant coated cover plate is provided.

[0019] Figure 2 The improved structure schematic diagram of Figure 1

[0020] Figure 3 The structural schematic diagram of the handheld communication equipment is provided.

[0021] Figure 4 The improved structure schematic diagram of Figure 3

[0022] The structural schematic diagram of the handheld communication equipment is provided.

[0021] Figure 4 The improved structure schematic diagram of Figure 3

[0022] Explanation of reference numerals:

[0023] Glass substrate 1; alumina layer 11; methacryloyloxysilane layer 12; niobium nitride layer 13; thermochromic ink layer 14; metal protective layer 15;

[0024] Lower frame 2; bottom plate 21; side wall 22; extension 23; reinforcing rib 24. DETAILED DESCRIPTION

[0025] In order to make the scheme in the present application clearer, the drawings needed in the embodiment description will be briefly introduced as follows. Obviously, the drawings in the following description are some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative effort based on these drawings.

[0026] In the description of the present application, 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" and the like indicate the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the present application and simplify the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0027] In addition, the terms "first", "second", "third" are only for descriptive purposes and cannot be understood to indicate or imply relative importance or imply the number of indicated technical features. Therefore, the features defined as "first", "second", "third" can explicitly or implicitly include at least one of the features. In the description of the utility model, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise specifically limited.

[0028] The utility model provides a kind of scratch-proof anticorrosion coated cover plate, it includes glass substrate and by from bottom to top sequentially superimposed on the surface of the glass substrate alumina layer, methyl methacrylatoxy silane layer and niobium nitride layer, the thickness of the alumina layer is 10nm-30nm, the thickness of the methyl methacrylatoxy silane layer is 25nm-35nm, the thickness of the niobium nitride layer is 5nm-10nm.

[0029] Glass substrate as the base of the entire coated structure provides necessary strength and transparency;Alumina layer has very high hardness, wear resistance and chemical stability, which can significantly improve the scratch resistance and corrosion resistance of glass substrate;Methyl methacrylatoxy silane layer can further enhance the hardness and scratch resistance of glass substrate, while its high thermal conductivity and electromagnetic shielding function adds additional performance to glass substrate. In addition, this layer can also form a strong chemical bond with the subsequent layer through its reactive functional groups;Niobium nitride layer provides additional protection for glass substrate with its high hardness, wear resistance and good corrosion resistance, and its unique physical and chemical properties may bring additional performance advantages. The layered structure of the glass substrate coating layer proposed in this patent is based on the accurate coating of high-performance materials such as alumina layer, methyl methacrylatoxy silane layer and niobium nitride layer on the glass substrate through layer-by-layer superposition, forming a strong front protective layer. Based on its excellent hardness, wear resistance and chemical stability, alumina layer effectively resists external scratches and corrosion, improves the scratch resistance and corrosion resistance of the coated cover plate, and improves the competitiveness of the product;Methyl methacrylatoxy silane layer further enhances hardness and scratch resistance, while utilizing its high thermal conductivity and electromagnetic shielding function to improve the performance of glass substrate;Niobium nitride layer as the top layer provides additional protection for glass substrate with its unique physical and chemical properties.

[0030] For those skilled in the technical field, the technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings. The embodiments described below in conjunction with the drawings are exemplary and are intended to explain the present application, and cannot be understood as a limitation of the present application.

[0031] Embodiment 1, please refer to Figure 1 The glass substrate 1 as the base of the entire film structure provides the necessary strength and transparency; the aluminum oxide layer 11 has extremely high hardness, wear resistance and chemical stability, which can significantly improve the scratch resistance and corrosion resistance of the glass substrate 1; the methacryloyl silane layer 12 can further enhance the hardness and scratch resistance of the glass substrate 1, and its high thermal conductivity and electromagnetic shielding function adds additional performance to the glass substrate 1. In addition, this layer can also form a firm chemical bond with the subsequent layer through its reactive functional groups; the niobium nitride layer 13 provides additional protection for the glass substrate 1 with its high hardness, wear resistance and good corrosion resistance, and its unique physical and chemical properties may bring additional performance advantages. The layered structure of the film layer of the glass substrate 1 proposed in this patent is that the aluminum oxide layer 11, the methacryloyl silane layer 12 and the niobium nitride layer 13 and other high-performance materials are precisely coated on the glass substrate 1 in a layer-by-layer manner to form a firm front protective layer. The aluminum oxide layer 11 is based on its excellent hardness, wear resistance and chemical stability, effectively resisting external scratches and corrosion, improving the scratch resistance and corrosion resistance of the film cover plate, and improving the competitiveness of the product; the methacryloyl silane layer 12 further enhances the hardness and scratch resistance, and at the same time uses its high thermal conductivity and electromagnetic shielding function to improve the performance of the glass substrate 1; the niobium nitride layer 13 as the top layer provides additional protection for the glass substrate 1 with its unique physical and chemical properties.

[0032] Please refer to Figure 2 Further, the lower surface of the glass substrate 1 located in the non-display area is provided with a thermochromic ink layer 14, and the thickness of the thermochromic ink layer 14 is 8-10 μm. The thermochromic ink layer 14 can change color according to temperature, providing visual temperature indication and increasing the interest and practicality of the product.

[0033] Further, the lower surface of the thermochromic ink layer 14 is provided with a metal protective layer 15, which completely covers the thermochromic ink layer 14, the material of the metal protective layer 15 is aluminum, and the thickness of the metal protective layer 15 is 5-8 μm. The aluminum layer has good hardness and wear resistance, which can effectively prevent the thermochromic ink from being scratched or worn, and protect the integrity and functionality of the ink layer. At the same time, the aluminum layer also provides additional electromagnetic shielding effect.

[0034] By using the combination of the thermochromic ink layer 14 and the metal protective layer 15 in the back frame area of the glass substrate 1, the interesting function of temperature indication is realized, and the ink layer is effectively protected from being scratched, ensuring the functionality and integrity of the ink layer. The overall structure design is scientific and reasonable, and the materials of each layer complement each other, which improves the comprehensive performance of the glass substrate 1 and meets the strict requirements of high-end equipment on durability and functionality.

[0035] Embodiment 2, please refer to Figure 3 The handheld communication device provided by the utility model comprises the scratch-resistant and corrosion-resistant coated cover plate as claimed in any one of the above, and the lower frame 2 is arranged below the glass substrate 1, the lower frame 2 comprises a bottom plate 21 and a side wall 22, the side wall 22 is formed by extending upward from the edge of the bottom plate 21, the glass substrate 1 is arranged above the side wall 22 and the edge of the glass substrate 1 extends beyond the edge of the side wall 22, the outer side of the side wall 22 extends outwardly and is provided with an extension part 23, and the extension part 23 supports the edge of the glass substrate 1. The edge of the glass substrate 1 is supported by the extension part 23 extending outwardly from the side wall 22, so that the supporting strength is increased, the side wall 22 of the lower frame 2 is extended, the cost is lower, the problem of the concave of the glass substrate 1 is avoided by using the cheaper cost, the problem of the display MURA is avoided, and the product yield is improved.

[0036] Please refer to Figure 4 Further, the extension part 23 and the side wall 22 are provided with a reinforcing rib 24, and the supporting strength of the extension part 23 is effectively improved by arranging the reinforcing rib 24, so that the problem of the concave of the glass substrate 1 is avoided.

[0037] Further, the extension part 23 is flush with the two ends of the glass substrate 1, so that the glass substrate 1 does not form a suspended part, the strength is higher and the product is more beautiful.

[0038] Further, the extension part 23 and the side wall 22 are provided with a chamfer, and the chamfer is a rounded chamfer.

[0039] In the utility model, unless another definite provision and limitation, the term " install " " link " " connect " " fixed " and so on term should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electric connection or each other can communicate;Can be direct connection, also can indirectly connect through intermediate medium, can be two element internal communication or two element mutual action relation, unless another definite limitation.For ordinary skilled person in the art, can understand the above-mentioned term in the utility model concrete meaning according to specific circumstances.

[0040] Obviously, the above-described embodiments are only part of the embodiments of the present application, rather than all the embodiments, the preferred embodiments of the present application are given in the drawings, but do not limit the patent scope of the present application. The present application can be realized in many different forms, and contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the present application more thorough and comprehensive. Although the present application is described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing specific embodiments, or make equivalent replacement for part of the technical features. Any equivalent structure made by using the contents of the specification and drawings, directly or indirectly used in other related technical fields, is also within the scope of the patent protection of the present application.

Claims

1. A scratch-resistant and corrosion-resistant coated cover plate, characterized by, The glass substrate and an alumina layer, a methacryloyloxysilane layer and a niobium nitride layer sequentially stacked on the upper surface of the glass substrate from bottom to top, wherein the thickness of the alumina layer is 10-30 nm, the thickness of the methacryloyloxysilane layer is 25-35 nm, and the thickness of the niobium nitride layer is 5-10 nm.

2. The scratch-resistant, corrosion-resistant, coated cover panel of claim 1, wherein, The lower surface of the glass substrate in the non-display area is provided with a thermochromic ink layer.

3. The scratch-resistant, corrosion-resistant, coated cover panel of claim 2, wherein, The thickness of the thermochromic ink layer is 8-10 μm.

4. The scratch-resistant, corrosion-resistant, coated cover panel of claim 2, wherein, The lower surface of the thermochromic ink layer is provided with a metal protective layer, and the metal protective layer completely covers the thermochromic ink layer.

5. The scratch-resistant, corrosion-resistant, coated cover panel of claim 4, wherein, The material of the metal protective layer is aluminum.

6. The scratch-resistant, corrosion-resistant, coated cover panel of claim 4, wherein, The thickness of the metal protective layer is 5-8 μm.

7. A hand-held communication device, characterized by The glass substrate is provided with a lower frame, and the lower frame comprises a bottom plate and a side wall extending upward along the edge of the bottom plate, the glass substrate is arranged above the side wall and the edge of the glass substrate extends beyond the edge of the side wall, the outer side of the side wall extends outwardly with an extension part, and the extension part supports the edge of the glass substrate.

8. The hand-held communication device of claim 7, wherein, A reinforcing rib is arranged between the extension part and the side wall.

9. The hand-held communication device of claim 7, wherein, The extension part is flush with the two ends of the glass substrate.

10. The hand-held communication device of claim 7, wherein, A chamfer is arranged between the extension part and the side wall.

Images