An antistatic high transparency protective film
By employing a multi-layered structure design and nanoimprint technology, the problems of static electricity and transparency in traditional protective films have been solved, resulting in a protective film with high transparency, anti-static properties, and self-cleaning capabilities, providing long-lasting screen protection.
Patent Information
- Application Number
- CN202520258161.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-18
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2035-02-18
AI Technical Summary
Traditional screen protectors are prone to static electricity, attracting dust and fine particles, which affects the screen display. The antistatic layer is also prone to wear or peeling, failing to provide lasting protection and reducing transparency.
It adopts a multi-layer structure design, including a substrate layer, a microstructure layer, a functional coating, an anti-fingerprint layer, and an anti-scratch layer. It forms a pyramidal micro-nano structure through nanoimprinting and uses an indium tin oxide coating, combined with a siloxane coating and a silicone resin coating, to achieve antistatic, anti-scratch, and self-cleaning functions.
It effectively reduces surface resistivity, prevents static electricity buildup, improves light transmittance and transparency, provides long-lasting antistatic properties, prevents dust and stains from adhering, and enhances abrasion resistance.
Smart Images

Figure CN223607199U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of protective film, more particularly to an antistatic high transparency protective film. BACKGROUND
[0002] The protective film is a kind of thin and transparent film material, mainly used to protect the surface of electronic equipment, glass, display screen, mirror surface, automobile etc., prevent scratch, dust, oil stain and other external pollution, and prolong the service life of the article.
[0003] With the popularization of electronic products, the protection demand of screen and optical device is increasing day by day, the traditional protective film has certain protection effect, but there are the following problems, the traditional protective film is easy to produce static electricity, adsorb dust and small particles, affect screen display effect, and even possibly damage electronic components, and some protective films add antistatic agent to improve antistatic performance, but often lead to the decrease of transparency, affect visual effect, and the antistatic layer is easy to wear or fall off, easy to lead to the decrease of antistatic performance, cannot provide durable protection, for this purpose, we propose an antistatic high transparency protective film to solve the above problems. UTILITY MODEL CONTENTS
[0004] The utility model aims at solving the problems that the traditional protective film is easy to produce static electricity, adsorb dust and small particles, affect screen display effect, and the antistatic layer is easy to wear or fall off, easy to lead to the decrease of antistatic performance, cannot provide durable protection, and provides an antistatic high transparency protective film.
[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:
[0006] An antistatic high transparency protective film, including substrate layer, the substrate layer top is provided with microstructure layer, the microstructure layer top is coated with functional coating, the functional coating top is equipped with and pastes anti-fingerprint layer, the anti-fingerprint layer top pastes anti-scratching layer.
[0007] As the further description of the above technical scheme, the substrate layer adopts the PE (polyethylene) film with the thickness of 100 μm.
[0008] As the further description of the above technical scheme, the microstructure layer is formed by nanoimprint and is arranged in the form of periodic pyramid-shaped micro-nano structure, and the height is 1 μm, and the period is 2 μm.
[0009] As the further description of the above technical scheme, the functional coating adopts the indium tin oxide coating with the thickness of 20 nm.
[0010] As the further description of the above technical scheme, the anti-fingerprint layer adopts the siloxane coating with the thickness of 1 μm.
[0011] As a further description of the above technical solution, the anti-scratch layer adopts a silicon resin coating layer with a thickness of 2 μm.
[0012] As a further description of the above technical solution, the substrate layer and the microstructure layer are integrally formed.
[0013] Compared with the prior art, the utility model has the advantages of:
[0014] The utility model discloses in using, through the synergistic action of microstructure layer and functional coating, effectively reduced the surface resistivity of protection film, prevents static electricity to gather, simultaneously, through microstructure layer can reduce the reflection of light, improve the light transmittance of protection film, and functional coating thickness is extremely thin, and the influence to transparency is little, and substrate layer and microstructure layer are integrally formed, and are not easy to fall off, and microstructure layer and functional coating are combined firmly, and the antistatic performance is durable and stable, through setting up the anti -fingerprint layer, the siloxane coating has strong hydrophobicity and oil resistance, can effectively prevent the attachment of fingerprint, stain and moisture, can also provide certain scratch -proof protection simultaneously, through setting up the anti -scratch layer, effectively improve the wear resistance of protection film, is favorable to improve the practicality of device. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is a kind of antistatic high transparency protection film's overall structure schematic diagram.
[0016] Reference Signs: 1, substrate layer;2, microstructure layer;3, functional coating;4, anti-fingerprint layer;5, anti-scratch layer. DETAILED DESCRIPTION
[0017] In order to facilitate understanding of the utility model, the utility model will be described more comprehensively below with reference to relevant drawings, and several embodiments of the utility model are given in the drawings, but the utility model can be realized by different forms, and is not limited to the embodiments described in the text, on the contrary, provide these embodiments are to make the disclosed content of the utility model more thorough and comprehensive.
[0018] The utility model provides a kind of antistatic high transparency protection film, please refer to Figure 1 As shown in the figure, including substrate layer 1, substrate layer 1 top is provided with microstructure layer 2, substrate layer 1 and microstructure layer 2 are integrally formed, microstructure layer 2 top is coated with functional coating 3, functional coating 3 top is pasted with anti-fingerprint layer 4, anti-fingerprint layer 4 top is pasted with anti-scratch layer 5.
[0019] In the embodiments of the present application, the shape, size and arrangement of the microstructure layer 2 can be designed as needed during use. By designing specific micro-nano structure shape and size, the light reflection can be reduced, the light transmittance of the protective film is improved, the protective film has good anti-reflection performance, by designing super-hydrophobic or super-hydrophilic micro-nano structure, self-cleaning function can be realized, which can effectively prevent the adhesion of dust and water stains, through the synergistic effect of the microstructure layer 2 and the functional coating 3, the surface resistivity of the protective film is effectively reduced, and the accumulation of static electricity is prevented. At the same time, the microstructure layer 2 can reduce the reflection of light and improve the light transmittance of the protective film, and the functional coating has an extremely thin thickness and has little effect on transparency,
[0020] Further, the substrate layer 1 adopts a PE film with a thickness of 100pm. During use, the PE film has high transparency, low fogging, and good tensile strength and impact resistance, and can maintain good stability in high-pressure and high-speed environments.
[0021] Further, the microstructure layer 2 forms a periodic arrangement of pyramid-shaped micro-nano structures by nano-imprinting, and the height is 1pm and the period is 2pm. During use, the pyramid-shaped micro-nano structure can effectively reduce the reflection of light and improve the light transmittance. At the same time, the pyramid-shaped micro-nano structure can enhance the hydrophobicity of the surface and realize self-cleaning function. The pyramid-shaped micro-nano structure can increase the surface area, and combined with the transparent conductive material ITO, the surface resistivity is significantly reduced.
[0022] Further, the functional coating 3 adopts an indium tin oxide coating with a thickness of 20nm. During use, the addition of nano-conductive material effectively reduces the surface resistivity of the protective film, prevents static electricity accumulation, reduces dust adsorption, and improves the antistatic performance of the protective film.
[0023] Further, the anti-fingerprint layer 4 adopts a silicone coating with a thickness of 1pm. During use, the silicone coating has strong hydrophobicity and oil resistance, which can effectively prevent the adhesion of fingerprints, stains and moisture, and also provides certain scratch protection.
[0024] Further, the scratch-resistant layer 5 adopts a silicone resin coating with a thickness of 2pm. During use, the organic silicon material has high hardness, high transparency and good flexibility, so that the protective film has good wear resistance, strong adhesion and high transparency.
[0025] The utility model discloses a microstructure layer 2 and the function coating 3's synergies, effectively reduced the surface resistivity of protective film, prevent static electricity accumulation, simultaneously, through microstructure layer 2 can reduce the reflection of light, improve the light transmittance of protective film, and the function coating thickness is very thin, and the influence to transparency is little, through setting up the anti -fingerprint layer 4, the siloxane coating has strong hydrophobicity and oil resistance, can effectively prevent the attachment of fingerprint, stain and moisture, can also provide certain scratch -proof protection simultaneously, through setting up the scratch -proof layer 5, effectively improve the wear resistance of protective film.
[0026] The utility model has been described exemplarily above in connection with the drawings, and obviously, the specific implementation of the utility model is not limited by the above-mentioned modes. As long as this kind of non-essential improvement is carried out by adopting the method concept and technical scheme of the utility model, or the concept and technical scheme of the utility model is directly applied to other occasions without improvement, it is within the protection scope of the utility model.
Claims
1. An antistatic high transparency protective film comprising a substrate layer (1), characterized in that: The substrate layer (1) is provided with a microstructure layer (2) on top, the microstructure layer (2) is coated with a functional coating (3) on top, the functional coating (3) is pasted with an anti-fingerprint layer (4) on top, and the anti-fingerprint layer (4) is pasted with a scratch-resistant layer (5) on top.
2. The anti-static, high clarity protective film according to claim 1, wherein: The substrate layer (1) adopts a PE film with a thickness of 100 μm.
3. The anti-static, high clarity protective film according to claim 1, wherein: The microstructure layer (2) is formed by nano-imprinting to form periodically arranged pyramid-shaped micro-nano structures, and the height is 1 μm and the period is 2 μm.
4. The anti-static, high clarity protective film according to claim 1, wherein: The functional coating (3) adopts an indium tin oxide coating with a thickness of 20 nm.
5. The anti-static, high clarity protective film according to claim 1, wherein: The anti-fingerprint layer (4) adopts a silicone coating with a thickness of 1 μm.
6. The anti-static, high clarity protective film according to claim 1, wherein: The scratch-resistant layer (5) adopts a silicone coating with a thickness of 2 μm.
7. The anti-static, high clarity protective film according to claim 1, wherein: The substrate layer (1) is integrally formed with the microstructure layer (2).