White-light-proof PET (polyethylene terephthalate) protective film for electronic products
By setting a multi-layer structure on the PET protective film, including AR coating and anti-reflective coating, the problem of white light reflection is solved, achieving clear display in strong light environment and protection of electronic devices, improving user comfort and safety.
Patent Information
- Application Number
- CN202511447205.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-10-11
- Publication Date
- 2025-12-26
AI Technical Summary
Existing PET protective films for electronic products have poor white light reflectivity, and the glaring white light can easily cause eye fatigue and damage to users. They are also not suitable for use outdoors or in strong light environments, which reduces their effectiveness.
It adopts a multi-layer structure with AR coating, anti-reflective coating, tempered film layer, anti-blue light coating, anti-static coating, and electromagnetic shielding layer on PET film substrate. Through diffuse reflection and optical film design, it eliminates reflected light, enhances impact resistance and anti-static performance, and blocks harmful light.
It effectively eliminates or reduces screen reflections and glare, improves screen transmittance, enhances the durability and anti-static properties of the protective film, protects eye health, is suitable for strong light environments, and improves user comfort and safety.
Smart Images
Figure CN121200533A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of PET protective film, in particular to a white light-proof PET protective film for electronic products. BACKGROUND
[0002] The PET protective film is a functional film made of polyethylene terephthalate film as the base material, single-sided or double-sided coated with special pressure-sensitive adhesive, and compounded with release film (commonly known as "base paper" or "protective film liner").
[0003] The existing protective film for electronic products often needs to use PET protective film, but the existing electronic product protective film on the market still has some problems when in use, the white light reflection effect is poor, a large amount of dazzling white light is irradiated on the eye part of the user, which is easy to cause fatigue and damage to the eyes of the user, thereby reducing the comfort of watching the screen, and is not suitable for use in outdoor or strong light environment, thereby reducing the use effect of the PET protective film. SUMMARY
[0004] In view of the defects of the prior art, the present application provides a white light-proof PET protective film for electronic products, which solves the problems of the existing PET protective film, such as poor white light reflection effect, a large amount of dazzling white light irradiated on the eye part of the user, easy to cause fatigue and damage to the eyes of the user, thereby reducing the comfort of watching the screen, and not suitable for use in outdoor or strong light environment, thereby reducing the use effect of the PET protective film.
[0005] To achieve the above purpose, the present application provides the following technical scheme: a white light-proof PET protective film for electronic products, comprising a protective film main body, the protective film main body comprising a PET film base material, the bottom surface of the PET film base material being fixedly connected with an AR coating layer, the bottom surface of the AR coating layer being fixedly connected with a tempered film layer, the bottom surface of the tempered film layer being fixedly connected with an adhesive layer, the upper surface of the PET film base material being fixedly connected with an anti-reflective coating layer, the upper surface of the anti-reflective coating layer being fixedly connected with an anti-blue light coating layer, the upper surface of the anti-blue light coating layer being fixedly connected with a high-temperature-resistant layer, the upper surface of the high-temperature-resistant layer being fixedly connected with an anti-static coating layer, the upper surface of the anti-static coating layer being fixedly connected with an electromagnetic shielding layer, the upper surface of the electromagnetic shielding layer being fixedly connected with a waterproof layer, and the upper surface of the waterproof layer being fixedly connected with a wear-resistant hardening coating layer.
[0006] As a preferred technical scheme of the present application, the anti-reflection coating is a coating containing micro-particles, which can make the originally smooth mirror surface into a rough matte surface.
[0007] As a preferred technical scheme of the present application, the AR coating is an anti-reflection layer, which is a multi-layer optical thin film prepared by vacuum plating.
[0008] As a preferred technical scheme of the present application, the adhesive layer is made of pressure-sensitive adhesive material.
[0009] As a preferred technical scheme of the present application, the surface resistivity of the anti-static coating is 10^6-10^11 Ω / sq, which is used to protect electronic components such as IC and PCB which are sensitive to static electricity.
[0010] As a preferred technical scheme of the present application, the surface of the wear-resistant hardening coating is treated by a special oil-repellent and water-repellent process.
[0011] As a preferred technical scheme of the present application, the thickness of the PET film substrate is 100-150 μm, the thickness of the AR coating is 55-85 μm, the thickness of the anti-reflection coating is 55-85 μm, and the thickness of the wear-resistant hardening coating is 40-70 μm.
[0012] As a preferred technical scheme of the present application, the bottom surface of the adhesive layer is fixedly connected with a release film.
[0013] As a preferred technical scheme of the present application, the right end of the release film is fixedly connected with a convenient peel-off sticker.
[0014] As a preferred technical scheme of the present application, the bottom surface of the adhesive layer, the bottom surface of the tempered film layer and the bottom surface of the AR coating are collectively provided with two groups of adhesive storage grooves.
[0015] Compared with the prior art, the present application provides an anti-white light PET protective film for electronic products, which has the following beneficial effects: 1. The anti-white light PET protective film for electronic products can make the originally smooth mirror surface into a rough matte surface by using the anti-reflection coating containing micro-particles, so as to make the light diffuse and scatter, thereby eliminating or greatly reducing the reflection and glare on the screen, making the picture still clear and visible under strong light, and the multi-layer optical thin film design of the AR coating can make the light of specific wavelengths cancel each other out, thereby physically eliminating the reflected light and improving the transmittance of the screen, effectively increasing the anti-white light effect of the protective film body, and making the screen color more vivid and transparent, and the use effect is good.
[0016] 2、The white light protection PET protective film for electronic products, the anti-impact ability can be improved through the set tempered film layer, the protective film body is more solid, the protective film body is not easy to be damaged or burst, the safety of use is improved, the anti-static and anti-electromagnetic interference functions of the protective film body can be increased through the anti-static coating and the electromagnetic shielding layer, the electronic components are protected, the harmful light can be blocked through the anti-blue light coating, so that the eyes can be well protected, the comfort and health during use are improved. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is the overall three-dimensional structure schematic diagram of the white light protection PET protective film for electronic products. Figure 2 It is the material section view of the protective film body. Figure 3 It is the front view of the protective film body. Figure 4 It is the bottom view of the protective film body.
[0018] In the drawing: 1, protective film body; 10, PET film base material; 11, AR plating layer; 12, tempered film layer; 13, adhesive layer; 14, anti-reflection coating; 15, anti-blue light coating; 16, high-temperature-resistant layer; 17, anti-static coating; 18, electromagnetic shielding layer; 19, waterproof layer; 20, wear-resistant hardening coating; 2, release film; 3, easy-to-peel sticker; 4, glue storage groove. DETAILED DESCRIPTION
[0019] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.
[0020] EMBODIMENT Please refer to Figures 1-4In the embodiment, the anti-white light PET protective film for electronic products comprises a protective film body 1, the protective film body 1 comprises a PET film substrate 10, the bottom surface of the PET film substrate 10 is fixedly connected with an AR coating layer 11, the bottom surface of the AR coating layer 11 is fixedly connected with a tempered film layer 12, the bottom surface of the tempered film layer 12 is fixedly connected with an adhesive layer 13, the upper surface of the PET film substrate 10 is fixedly connected with an anti-glare coating layer 14, the upper surface of the anti-glare coating layer 14 is fixedly connected with an anti-blue light coating layer 15, the upper surface of the anti-blue light coating layer 15 is fixedly connected with a high-temperature-resistant layer 16, the upper surface of the high-temperature-resistant layer 16 is fixedly connected with an anti-static coating layer 17, the upper surface of the anti-static coating layer 17 is fixedly connected with an electromagnetic shielding layer 18, the upper surface of the electromagnetic shielding layer 18 is fixedly connected with a waterproof layer 19, and the upper surface of the waterproof layer 19 is fixedly connected with a wear-resistant hardening coating layer 20.
[0021] In the embodiment, the anti-glare coating layer 14 is a coating layer containing micro-particles, which can change the smooth mirror surface into a rough matte surface. When light irradiates on the surface, diffuse reflection occurs, the concentrated strong light is scattered, the reflection and glare on the screen are eliminated or greatly weakened, and the picture is still clear under strong light. The AR coating layer 11 is an anti-reflection layer, which is a multi-layer optical film coated by vacuum. The anti-reflection layer can use the interference principle of light to offset specific wavelengths of light, thereby physically eliminating reflected light and improving the transmittance of the screen. This technology not only prevents glare, but also makes the screen color more vivid and transparent. The adhesive layer 13 is made of pressure-sensitive adhesive material, which is convenient for effectively bonding the electronic screen.
[0022] In the embodiment, the surface resistivity of the anti-static coating layer 17 is 10^6-10^11Ω / sq, which is used to protect electronic components such as IC and PCB sensitive to static electricity, and can increase the anti-static protection of the protective film body 1, and is convenient for protecting electronic components. The surface of the wear-resistant hardening coating layer 20 is treated by a special oil-repellent and water-repellent process, which increases the anti-fouling effect of the protective film body 1, prevents oil stains and dirt from adhering, the thickness of the PET film substrate 10 is 100-150μm, the thickness of the AR coating layer 11 is 55-85μm, the thickness of the anti-glare coating layer 14 is 55-85μm, and the thickness of the wear-resistant hardening coating layer 20 is 40-70μm.
[0023] In the embodiment, the bottom surface of the adhesive layer 13 is fixedly connected with a release film 2, which can externally protect the adhesive layer 13 from dust, the right end of the release film 2 is fixedly connected with a convenient peel-off sticker 3, which is convenient for peeling off the release film 2 and separating from the protective film body 1, and two groups of adhesive storage grooves 4 are formed in the bottom surface of the adhesive layer 13, the bottom surface of the tempered film layer 12 and the bottom surface of the AR coating layer 11, which can store adhesive on the bottom surface of the protective film body 1 and increase the sealing property of the adhesive with the electronic screen.
[0024] The working principle and use process of the application: when using, the protective film is used to protect the electronic product, the release film 2 is peeled off from the bottom surface of the protective film main body 1 through the convenient peel 3, then the screen of the electronic device is cleaned and dusted, the cleanliness of the electronic device is maintained, then the protective film main body 1 is adhered to the surface of the electronic screen through the adhesive layer 13, the surface bubbles are removed, the sealant is applied at the edge of the protective film main body 1, and the sealant is wetted into the glue storage groove 4, the adhesive of the protective film main body 1 is completed, in the use process, the coating containing small particles in the anti-reflection coating 14 can make the originally smooth mirror surface become a rough matte surface, so that the light is diffused, thereby eliminating or greatly weakening the reflection and glare on the screen, so that the picture is still clear under strong light, at the same time, the multi-layer optical film design of the AR coating 11 can make the light of specific wavelength offset each other, thereby physically eliminating the reflected light, improving the transmittance of the screen, realizing the anti-white light effect of the protective film main body 1, and the screen color is more bright and transparent, the use effect is good, at the same time, the tempered film layer 12 improves the impact resistance of the protective film main body 1, so that the protective film main body 1 is more solid, the protective film body is not easy to be damaged or burst, the safety of use is improved, through the anti-static coating 17 and the electromagnetic shielding layer 18, the anti-static and anti-electromagnetic interference functions of the protective film main body 1 are increased, the electronic components are protected, the harmful light is blocked through the anti-blue light coating 15, so that the eyes are well protected, the comfort and health during use are improved, and the effective use of the protective film main body 1 is realized.
[0025] In the description of the application, the terms "comprising", "containing" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or device. Without more limitations, the element defined by the statement "comprising a reference structure" does not exclude the presence of another same element in the process, method, article or device including the element. It should be noted that in this paper, the relationship terms such as "first", "second" and the like are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations.
[0026] Finally, it should be noted that the above only describes the preferred embodiments of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art will appreciate that the technical solutions described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalent ones. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A white light-blocking PET protective film for electronic products, comprising a protective film body (1), characterized in that: The protective film body (1) includes a PET film substrate (10), an AR coating (11) is fixedly connected to the bottom surface of the PET film substrate (10), a tempered film layer (12) is fixedly connected to the bottom surface of the AR coating (11), an adhesive layer (13) is fixedly connected to the bottom surface of the tempered film layer (12), an anti-reflective coating (14) is fixedly connected to the upper surface of the PET film substrate (10), an anti-blue light coating (15) is fixedly connected to the upper surface of the anti-blue light coating (15), a high temperature resistant layer (16) is fixedly connected to the upper surface of the high temperature resistant layer (16), an anti-static coating (17) is fixedly connected to the upper surface of the anti-static coating (17), an electromagnetic shielding layer (18) is fixedly connected to the upper surface of the electromagnetic shielding layer (18), a waterproof layer (19) is fixedly connected to the upper surface of the waterproof layer (19), and a wear-resistant hardening coating (20) is fixedly connected to the upper surface of the waterproof layer (19).
2. The anti-white light PET protective film for electronic products according to claim 1, characterized in that: The anti-reflective coating (14) is a coating containing tiny particles that can turn the originally smooth mirror surface into a rough matte surface.
3. The anti-white light PET protective film for electronic products according to claim 1, characterized in that: The AR coating (11) is an anti-reflective layer, which is a multilayer optical thin film deposited by vacuum deposition.
4. The anti-white light PET protective film for electronic products according to claim 1, characterized in that: The adhesive layer (13) is made of pressure-sensitive adhesive.
5. The anti-white light PET protective film for electronic products according to claim 1, characterized in that: The surface resistivity of the antistatic coating (17) is 10^6-10^11 Ω / sq, and it is used to protect electronic components such as ICs and PCBs that are sensitive to static electricity.
6. The anti-white light PET protective film for electronic products according to claim 1, characterized in that: The surface of the wear-resistant hardening coating (20) is treated with a special oleophobic and hydrophobic process.
7. The anti-white light PET protective film for electronic products according to claim 1, characterized in that: The PET film substrate (10) has a thickness of 100-150μm, the AR coating (11) has a thickness of 55-85μm, the anti-reflective coating (14) has a thickness of 55-85μm, and the wear-resistant hardening coating (20) has a thickness of 40-70μm.
8. The anti-white light PET protective film for electronic products according to claim 1, characterized in that: A release film (2) is fixedly connected to the bottom surface of the adhesive layer (13).
9. The anti-white light PET protective film for electronic products according to claim 8, characterized in that: The release film (2) is fixedly connected to the right end with a removable sticker (3).
10. The anti-white light PET protective film for electronic products according to claim 1, characterized in that: The bottom surface of the adhesive layer (13), the bottom surface of the tempered film layer (12) and the bottom surface of the AR coating layer (11) are provided with two sets of adhesive storage tanks (4).