CN211570523U - Anti-fingerprint large curved surface protective film - Google Patents

Abstract

The utility model discloses an anti-fingerprint large-curve protective film, which comprises a substrate layer, a self-repairing layer, a protective silica gel layer, a protective substrate layer, a silica gel layer and a release layer; the self-repairing layer is coated on the surface of the substrate layer; the protective silica gel layer is coated on the surface of the self-repairing layer; the protective base material layer is attached to the surface of the protective silica gel layer; the use silica gel layer is coated on the bottom surface of the use base material layer; the release layer is attached to the bottom surface of the silica gel layer; through coating the protection silica gel layer on the surface of self-repairing layer to use the silica gel layer to coat on the bottom surface of using the substrate layer, can improve the plasticity of protection film, make the screen of the big curved surface of adaptation that the protection film can be fine, better laminating is on the screen, coats the self-repairing layer on the surface of using the substrate layer simultaneously, makes the protection film have fine self-repairing ability, plays the function of preventing the fingerprint.

Description

Anti-fingerprint large curved protective film

technical field

The utility model relates to the technology in the field of mobile phone films, in particular to an anti-fingerprint type large curved protective film.

Background technique

With the continuous development of electronic technology, the technological content of most electronic products with screens is also getting higher and higher, some are electronic products with LCD screens, and some are electronic products with touch screens on LCD screens. To prevent the screen from being polluted or scratched by the outside world, a protective film is basically installed on the screen, so that the screen is not easily polluted or scratched under the protection of the protective film.

With the advancement of technology and the rapid changes in mobile devices, large curved screens have become the mainstream. However, most of the tempered protective films on the market today have high hardness and cannot be completely fitted on large curved screens. Suitable for flat screen use.

Utility model content

In view of this, the main purpose of the present invention is to provide an anti-fingerprint type large curved protective film, which can effectively solve the problem that the existing protective film has high hardness and cannot be used on large curved screens. The problem.

To achieve the above object, the present invention adopts the following technical scheme:

An anti-fingerprint type large curved protective film includes a base material layer, a self-healing layer, a protective silica gel layer, a protective base material layer, a silica gel layer and a release layer; the self-healing layer is coated on the base material layer. on the surface; the protective silica gel layer is coated on the surface of the self-healing layer; the protective base material layer is pasted on the surface of the protective silica gel layer; the used silica gel layer is coated on the bottom surface of the used base material layer; The release layer is attached to the bottom surface of the silicone layer.

As a preferred solution: the used substrate layer is made of transparent HPU hydrophilic polyurethane material, and the thickness of the used substrate layer is 22-24 μm.

As a preferred solution: the self-healing layer is made of transparent acrylic resin, and the thickness of the self-healing layer is 49-51 μm.

As a preferred solution: the protective silica gel layer has a transparent structure, and the thickness of the protective silica gel layer is 10-14 μm.

As a preferred solution: the protective substrate layer is made of high-transparency original film PET material, and the thickness of the protective substrate layer is 49-51 μm.

As a preferred solution: the used silica gel layer is a transparent structure, and the thickness of the used silica gel layer is 15-25 μm.

As a preferred solution: the release layer is made of PET material, the thickness of the release layer is 50 μm, and the peeling force of the release layer is less than or equal to 5g.

Compared with the prior art, the present utility model has obvious advantages and beneficial effects. Specifically, it can be known from the above technical solutions:

By coating the protective silica gel layer on the surface of the self-healing layer, and coating the used silica gel layer on the bottom surface of the used substrate layer, the plasticity of the protective film can be improved, so that the protective film can be well adapted to large curved screens , better fit on the screen, and at the same time, the self-healing layer is coated on the surface of the substrate layer, so that the protective film has a good self-repairing ability and plays an anti-fingerprint function.

In order to illustrate the structural features and functions of the present invention more clearly, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

Description of drawings

FIG. 1 is a cross-sectional view of a preferred embodiment of the present invention.

Description of drawings:

10. Use substrate layer 20. Self-healing layer

30. Protective silicone layer 40. Protective substrate layer

50. Use silica gel layer 60. Release layer.

Detailed ways

Please refer to FIG. 1 , which shows the specific structure of the preferred embodiment of the present invention, including the use of a base material layer 10 , a self-healing layer 20 , a protective silica gel layer 30 , a protective base material layer 40 , and a use of silica gel layer. 50 and release layer 60.

The used base material layer 10 is located on the uppermost layer of the entire protective film, and the used base material layer 10 is made of transparent HPU hydrophilic polyurethane material. In this embodiment, the light transmittance of the base material layer 10 is ≥92%, and the use of high light transmittance can better restore the screen color and brightness of the mobile device. The thickness of the base material layer 10 is 22- 24μm.

The self-healing layer 20 is coated on the surface using the base material layer 10 , and the self-healing layer 20 is made of transparent acrylic resin. In this embodiment, the adhesion of the self-healing layer 20 is 5B, the haze of the self-healing layer 20 is less than or equal to 2%, the water drop angle of the self-healing layer 20 is greater than or equal to 108°, and the thickness of the self-healing layer 20 is 49-51 μm.

The protective silica gel layer 30 is coated on the surface of the self-healing layer 20 , the protective silica gel layer 30 is a transparent structure, and the protective silica gel layer 30 has excellent weather resistance. In this embodiment, the tearing force of the protective silica gel layer 30 is 1.3-4 g/25 mm, and the thickness of the protective silica gel layer 30 is 10-14 μm.

The protective base material layer 40 is attached on the surface of the protective silicone layer 30 , the protective base material layer 40 is made of high-transparency original film PET material, and the smoothness of the protective base material layer 40 is excellent. In this embodiment, the thickness of the protective substrate layer 40 is 49-51 μm.

The used silica gel layer 50 is coated on the bottom surface of the used base material layer 10 , the used silica gel layer 50 has a transparent structure, and the used silica gel layer 50 has excellent weather resistance. In this embodiment, the peeling force of the silica gel layer 50 when the AF screen is attached is greater than 30 g/25 mm, and the thickness of the silica gel layer 50 is 15-25 μm.

The release layer 60 is attached to the bottom surface of the silicone layer 50 , and the release layer 60 is made of PET. In this embodiment, the peeling force of the release layer 60 is less than or equal to 5g. By designing the peeling force to be low, the user can easily peel off the release film before use. The thickness of the release layer 60 is 50 μm.

During production, the used base material layer 10 is firstly formed, then a layer of self-healing layer 20 is coated on the surface of the used base material layer 10, and then, the protective silicone layer 30 is coated on the surface of the self-healing layer 20, Then, the protective base material layer 40 is pasted on the surface of the protective silicone layer 30 by hot pressing, and then, a layer of used silica gel layer 50 is coated on the bottom surface of the used base material layer 10, and finally, the release layer is 60 is attached to the bottom surface using the silicone layer 50 .

When in use, peel off the release layer 60 first, and then stick the protective film on the surface of the mobile device with a large curved surface (such as a screen, a lens, etc.), and then it can be used.

The design focus of this utility model is:

By coating the protective silica gel layer on the surface of the self-healing layer, and coating the used silica gel layer on the bottom surface of the used substrate layer, the plasticity of the protective film can be improved, so that the protective film can be well adapted to large curved screens , better fit on the screen, and at the same time, the self-healing layer is coated on the surface of the substrate layer, so that the protective film has a good self-repairing ability and plays an anti-fingerprint function.

The above descriptions are only preferred embodiments of the present invention, and do not limit the technical scope of the present invention. Therefore, any minor modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present invention , all still belong to the scope of the technical solution of the present invention.

Claims (5)

1. The utility model provides a prevent big curved surface protection film of fingerprint type which characterized in that: the adhesive tape comprises a substrate using layer, a self-repairing layer, a silica gel protecting layer, a substrate protecting layer, a silica gel using layer and a release layer; the use base material layer is made of transparent HPU hydrophilic polyurethane material, and the thickness of the use base material layer is 22-24 mu m; the self-repairing layer is coated on the surface of the used base material layer, is made of transparent acrylic resin and has the thickness of 49-51 microns; the protective silica gel layer is coated on the surface of the self-repairing layer; the protective base material layer is attached to the surface of the protective silica gel layer; the use silica gel layer is coated on the bottom surface of the use base material layer; the release layer is attached to the bottom surface of the silica gel layer.

2. The anti-fingerprint large-curved surface protective film according to claim 1, wherein: the protective silica gel layer is of a transparent structure, and the thickness of the protective silica gel layer is 10-14 microns.

3. The anti-fingerprint large-curved surface protective film according to claim 1, wherein: the protective substrate layer is made of high-transparency original film PET (polyethylene terephthalate), and the thickness of the protective substrate layer is 49-51 mu m.

4. The anti-fingerprint large-curved surface protective film according to claim 1, wherein: the silica gel layer is transparent and has a thickness of 15-25 μm.

5. The anti-fingerprint large-curved surface protective film according to claim 1, wherein: the release layer is made of PET (polyethylene terephthalate), the thickness of the release layer is 50 mu m, and the peeling force of the release layer is less than or equal to 5 g.

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