Anti-static coated ITO (Indium Tin Oxide) glass
By adopting a multi-layer coating structure on ITO glass, including barrier layer, conductive layer, transition layer, anti-static coating, etc., the problem of insufficient anti-static performance of traditional ITO glass is solved, and the effect of significantly improving anti-static performance and maintaining optical performance is achieved.
Patent Information
- Application Number
- CN202421754800.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-24
- Publication Date
- 2025-05-09
- Estimated Expiration
- 2034-07-24
AI Technical Summary
Traditional ITO glass has shortcomings in anti-static performance, which is difficult to meet some application scenarios with high requirements for electrostatic protection.
A multi-layer coating structure is adopted, including a glass base layer, a barrier layer, an ITO conductive layer, an intermediate transition layer, an anti-static coating, a protective layer, a surface treatment layer and an encapsulation layer, and the anti-static performance is improved through the combination of these layers.
It significantly improves anti-static performance, maintains good optical performance and durability, and can work effectively in application scenarios with high electrostatic protection requirements.
Smart Images

Figure CN222846637U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of ITO glass devices, in particular to an anti-static coated ITO glass. Background Art
[0002] With the rapid development of electronic technology, various electronic devices have been widely used in people's lives and work. However, during the use of electronic devices, static electricity problems often lead to equipment failure, data loss, and even damage to sensitive electronic components. As a commonly used conductive glass material, ITO glass plays an important role in touch screens, display screens and other fields. However, traditional ITO glass often has deficiencies in anti-static performance and is difficult to meet some application scenarios with high requirements for electrostatic protection.
[0003] In the prior art, although there are some methods to improve the anti-static ability of ITO glass, there are often problems such as complex process, high cost, unstable performance or adverse effects on the optical properties of glass. Therefore, developing a new type of anti-static coated ITO glass that can effectively prevent static electricity accumulation while maintaining good conductivity, light transmittance and durability has become an urgent problem to be solved in the current technical field. Utility Model Content
[0004] 1. Technical issues
[0005] The utility model provides an anti-static coated ITO glass, aiming to solve the problem that the traditional ITO glass has insufficient anti-static performance and is difficult to meet the application scenarios with high electrostatic protection requirements.
[0006] (II) Technical content
[0007] In order to solve the above technical problems, the technical solution of the utility model is: an anti-static coated ITO glass, including a glass base layer, a barrier layer is fixedly provided on the upper end surface of the glass base layer, an ITO conductive layer is fixedly provided on the upper end surface of the barrier layer, an intermediate transition layer is fixedly provided on the upper end surface of the ITO conductive layer, an anti-static coating is fixedly provided on the upper end surface of the intermediate transition layer, a protective layer is fixedly provided on the upper end surface of the anti-static coating, a surface treatment layer is fixedly provided on the upper end surface of the protective layer, and an encapsulation layer is fixedly provided on the upper end surface of the surface treatment layer.
[0008] Furthermore, the glass substrate is soda-lime glass or borosilicate glass, which is used to provide mechanical support and basic optical transparency.
[0009] Furthermore, the barrier layer is a silicon dioxide layer, which is used to prevent impurities in the glass from diffusing to subsequent functional layers.
[0010] Furthermore, the ITO conductive layer is an indium tin oxide layer, which realizes the conductive function and constitutes the key part of the antistatic performance.
[0011] Furthermore, the intermediate transition layer is a zinc oxide or titanium oxide layer, which is used to improve the adhesion and interface characteristics between the ITO layer and other layers.
[0012] Furthermore, the antistatic coating is a polythiophene or polyaniline conductive polymer material layer, which is used to enhance the antistatic effect and quickly dissipate the accumulated static electricity.
[0013] Furthermore, the protective layer is a silicon nitride layer, which is used to protect the internal functional layer from corrosion and damage from the external environment and improve the durability of the glass.
[0014] Furthermore, the surface treatment layer is a fluoride or hydrophobic material layer, which is used to increase the anti-fouling and easy-to-clean properties of the glass surface and maintain good optical properties.
[0015] Furthermore, the encapsulation layer is an epoxy resin or silicone adhesive layer, which is used to encapsulate the entire coating structure to prevent moisture and oxygen from invading and ensure long-term stability.
[0016] (III) Technical Effect
[0017] Compared with the prior art, the utility model has the following advantages:
[0018] 1. Significantly improve anti-static performance: Through the unique multi-layer coating structure, especially the addition of a special anti-static coating, it can quickly and effectively dissipate static charges, greatly reducing the risk of static electricity harming electronic equipment.
[0019] 2. Maintain good optical properties: The selection of materials for each layer ensures that the glass can maintain high transparency and good light transmittance while having excellent anti-static capabilities, without affecting its visual effects in display, touch and other applications.
[0020] 3. Enhanced durability and stability: The setting of the protective layer and the encapsulation layer effectively protects the internal functional layer from erosion and damage by external environmental factors (such as moisture, oxygen, wear, etc.), extends the service life of the glass, and enables it to work stably in various complex environments. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 The utility model is a structural schematic diagram of an anti-static coated ITO glass.
[0022] As shown in the figure: 1. Glass base layer; 2. Barrier layer; 3. ITO conductive layer; 4. Intermediate transition layer; 5. Antistatic coating; 6. Protective layer; 7. Surface treatment layer; 8. Encapsulation layer. DETAILED DESCRIPTION
[0023] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "inside", "outside", "center", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction structure and operation. Therefore, they should not be understood as limitations on the present invention.
[0024] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "provided with", "installed", "connected", "connected" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection, it can be a mechanical connection, it can be an electrical connection, it can be a direct connection, it can be indirectly connected through an intermediate medium, and it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0025] The utility model is further described in detail below in conjunction with the accompanying drawings.
[0026] Combined with Figure 1 , an anti-static coated ITO glass, comprising a glass substrate 1, wherein the glass substrate 1 is soda-lime glass, used to provide mechanical support and basic optical transparency, a barrier layer 2 is fixedly provided on the upper end surface of the glass substrate 1, wherein the barrier layer 2 is a silicon dioxide layer, used to prevent impurities in the glass from diffusing to subsequent functional layers, an ITO conductive layer 3 is fixedly provided on the upper end surface of the barrier layer 2, wherein the ITO conductive layer 3 is an indium tin oxide layer, which realizes the conductive function and constitutes the key part of the anti-static performance, an intermediate transition layer 4 is fixedly provided on the upper end surface of the ITO conductive layer 3, wherein the intermediate transition layer 4 is a zinc oxide layer, used to improve the adhesion and interface characteristics between the ITO layer and other layers, and an An antistatic coating 5 is a polythiophene conductive polymer material layer for enhancing the antistatic effect and quickly dissipating the accumulated static electricity. A protective layer 6 is fixedly provided on the upper end surface of the antistatic coating 5. The protective layer 6 is a silicon nitride layer for protecting the internal functional layer from erosion and damage by the external environment and improving the durability of the glass. A surface treatment layer 7 is fixedly provided on the upper end surface of the protective layer 6. The surface treatment layer 7 is a fluoride layer for increasing the antifouling property and easy cleaning property of the glass surface and maintaining good optical properties. An encapsulation layer 8 is fixedly provided on the upper end surface of the surface treatment layer 7. The encapsulation layer 8 is an epoxy resin for encapsulating the entire coating structure to prevent moisture and oxygen from invading and ensure long-term stability.
[0027] The specific manufacturing process of the anti-static coated ITO glass of the utility model is as follows:
[0028] 1. Prepare the glass substrate: Select high-quality soda-lime glass, clean and dry it to remove impurities and contaminants on the surface.
[0029] 2. Deposition barrier layer: Using physical vapor deposition (PVD) method, a silicon dioxide (SiO2) barrier layer with a thickness of about 50-100 nanometers is deposited on the glass substrate. This layer can effectively prevent impurities such as sodium ions in the glass from diffusing to subsequent functional layers.
[0030] 3. Prepare ITO conductive layer: Use sputtering coating technology to deposit indium tin oxide (ITO) conductive layer on the barrier layer, with the thickness controlled at 100-200 nanometers. The ITO layer has good conductivity and is the key to achieving glass conductivity and anti-static properties.
[0031] 4. Forming an intermediate transition layer: Through the chemical vapor deposition (CVD) process, a zinc oxide (ZnO) intermediate transition layer with a thickness of about 30-50 nanometers is grown on the ITO conductive layer. This transition layer helps to improve the adhesion and interface compatibility between the ITO layer and the subsequent antistatic coating.
[0032] 5. Antistatic coating: Spin coating is used to evenly coat the polythiophene conductive polymer material on the intermediate transition layer to form an antistatic coating with a thickness of about 50-100 nanometers. This coating can enhance the overall antistatic effect and quickly dissipate static charges.
[0033] 6. Deposition of protective layer: Using plasma enhanced chemical vapor deposition (PECVD) technology, a silicon nitride (Si3N4) protective layer with a thickness of about 80-150 nanometers is deposited on the antistatic coating. This layer can protect the internal functional layer from erosion and damage by the external environment and improve the durability of the glass.
[0034] 7. Surface treatment: Use the dipping method to treat a layer of fluoride on the protective layer to form a surface treatment layer with a thickness of about 10-20 nanometers. This layer can increase the anti-fouling and easy-to-clean properties of the glass surface and maintain good optical properties.
[0035] 8. Final packaging: Coat a layer of epoxy resin packaging layer on the surface treatment layer with a thickness of about 200-300 microns. The packaging layer can effectively prevent moisture and oxygen from invading and ensure the long-term stability of the entire coating structure.
[0036] The detailed functions of each layer of the anti-static coated ITO glass of the utility model are as follows:
[0037] 1. Glass substrate: provides mechanical support and basic optical transparency, serving as the bearing foundation of the entire coating structure.
[0038] 2. Barrier layer (silicon dioxide): prevents impurities in the glass from diffusing to subsequent functional layers to avoid affecting their performance.
[0039] 3. ITO conductive layer: mainly realizes the conductive function, provides a basis for anti-static performance, and maintains a certain light transmittance.
[0040] 4. Intermediate transition layer (zinc oxide): improves the adhesion and interface properties between layers, making the combination between different functional layers closer.
[0041] 5. Antistatic coating (polythiophene): Enhances the overall antistatic effect and ensures rapid and effective dissipation of static charges.
[0042] 6. Protective layer (silicon nitride): protects the internal layers from external environmental factors (such as corrosion, wear, etc.) and extends service life.
[0043] 7. Surface treatment layer (fluoride): Increase the anti-fouling and easy-to-clean properties of the glass surface and maintain a good optical appearance.
[0044] 8. Encapsulation layer (epoxy resin): Encapsulates the entire coating structure to block moisture and oxygen and ensure the long-term stability and reliability of the structure.
[0045] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.
Claims
1. An antistatic coated ITO glass, comprising a glass substrate (1), characterized in that: The upper end surface of the glass substrate (1) is fixedly provided with a barrier layer (2), the upper end surface of the barrier layer (2) is fixedly provided with an ITO conductive layer (3), the upper end surface of the ITO conductive layer (3) is fixedly provided with an intermediate transition layer (4), the upper end surface of the intermediate transition layer (4) is fixedly provided with an antistatic coating (5), the upper end surface of the antistatic coating (5) is fixedly provided with a protective layer (6), the upper end surface of the protective layer (6) is fixedly provided with a surface treatment layer (7), and the upper end surface of the surface treatment layer (7) is fixedly provided with an encapsulation layer (8).
2. The anti-static coated ITO glass according to claim 1, characterized in that: The glass substrate (1) is soda-lime glass or borosilicate glass, which is used to provide mechanical support and basic optical transparency.
3. The anti-static coated ITO glass according to claim 1, characterized in that: The barrier layer (2) is a silicon dioxide layer, which is used to prevent impurities in the glass from diffusing to subsequent functional layers.
4. The anti-static coated ITO glass according to claim 1, characterized in that: The ITO conductive layer (3) is an indium tin oxide layer, which realizes the conductive function and constitutes the key part of the antistatic performance.
5. The anti-static coated ITO glass according to claim 1, characterized in that: The intermediate transition layer (4) is a zinc oxide or titanium oxide layer, and is used to improve the adhesion and interface characteristics between the ITO layer and other layers.
6. The anti-static coated ITO glass according to claim 1, characterized in that: The antistatic coating (5) is a layer of polythiophene or polyaniline conductive polymer material, which is used to enhance the antistatic effect and quickly dissipate the accumulated static electricity.
7. The anti-static coated ITO glass according to claim 1, characterized in that: The protective layer (6) is a silicon nitride layer, which is used to protect the internal functional layer from corrosion and damage by the external environment, thereby improving the durability of the glass.
8. The anti-static coated ITO glass according to claim 1, characterized in that: The surface treatment layer (7) is a fluoride or hydrophobic material layer, which is used to increase the anti-fouling and easy-to-clean properties of the glass surface and maintain good optical properties.
9. The anti-static coated ITO glass according to claim 1, characterized in that: The encapsulation layer (8) is an epoxy resin or silicone adhesive layer, which is used to encapsulate the entire coating structure to prevent moisture and oxygen from invading and ensure long-term stability.