CN211570523U

CN211570523U - Anti-fingerprint large curved surface protective film

Info

Publication number: CN211570523U
Application number: CN201921509880.XU
Authority: CN
Inventors: 刘少飞; 周艺飞
Original assignee: Dongguan Saiyue New Material Technology Co ltd
Current assignee: Dongguan Saiyue New Material Technology Co ltd
Priority date: 2019-09-11
Filing date: 2019-09-11
Publication date: 2020-09-25
Anticipated expiration: 2029-09-11

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 surface protective film

Technical Field

The utility model relates to a mobile phone film field technique especially indicates a prevent big curved surface protection film of fingerprint type.

Background

With the continuous development of electronic technology, the technology content of most electronic products with screens is higher and higher, some electronic products adopt a liquid crystal screen type, some electronic products are electronic products with a touch screen on the liquid crystal screen, and people basically set a layer of protective film on the screen in order to prevent the screen from being polluted or scratched by the outside, so that the screen is prevented from being polluted or scratched easily under the protection of the protective film.

With the progress of the existing science and technology, the change of mobile equipment is changed day by day, and a large-curved screen becomes the mainstream at present, however, most of the tempered protective films on the market have higher hardness, cannot be completely attached to the large-curved screen, and is only suitable for a planar screen.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention provides a protective film for preventing a large curved surface from being scratched, which can effectively solve the problem that the existing protective film has a high hardness and cannot be used on a large curved surface screen.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an anti-fingerprint large-curve protective film comprises a used substrate layer, a self-repairing layer, a protective silica gel layer, a protective substrate layer, a used 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.

As a preferred embodiment: the use substrate layer is made of transparent HPU hydrophilic polyurethane material, and the thickness of the use substrate layer is 22-24 mu m.

As a preferred embodiment: the self-repairing layer is made of transparent acrylic resin and has a thickness of 49-51 microns.

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

As a preferred embodiment: 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.

As a preferred embodiment: the silica gel layer is transparent and has a thickness of 15-25 μm.

As a preferred embodiment: 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.

Compared with the prior art, the utility model obvious advantage and beneficial effect have, particularly, can know by above-mentioned technical scheme:

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.

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

Drawings

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

The attached drawings indicate the following:

10. using the base material layer 20, the self-repairing layer

30. Protective silica gel layer 40 and protective base material layer

50. The silicone layer 60 and the release layer were used.

Detailed Description

Referring to fig. 1, a specific structure of a preferred embodiment of the present invention is shown, which includes a substrate layer 10, a self-repairing layer 20, a protective silica gel layer 30, a protective substrate layer 40, a silica gel layer 50 and a release layer 60.

The use substrate layer 10 is located on the uppermost layer of the entire protective film, and the use substrate layer 10 is made of a transparent HPU hydrophilic polyurethane material. In this embodiment, the transmittance of the substrate layer 10 is not less than 92%, the screen color and brightness of the mobile device can be better restored by using high transmittance, and the thickness of the substrate layer 10 is 22-24 μm.

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

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

The protective substrate layer 40 is attached to the surface of the protective silica gel layer 30, the protective substrate layer 40 is made of a high-transparency raw film PET material, and the protective substrate layer 40 has excellent smoothness. In this embodiment, the protective substrate layer 40 has a thickness of 49 to 51 μm.

The use silica gel layer 50 is coated on the bottom surface of the use base material layer 10, the use silica gel layer 50 is a transparent structure, and the use silica gel layer 50 is excellent in weather resistance. In this embodiment, the peeling force of the silicone gel layer 50 is greater than 30g/25mm when the AF screen is pasted, and the thickness of the silicone gel layer 50 is 15 to 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 the embodiment, the release layer 60 has a peel force of 5g or less, and the release layer 60 has a thickness of 50 μm, so that a user can easily tear the release film before use by designing a low peel force.

During manufacturing, the used substrate layer 10 is molded, the self-repairing layer 20 is coated on the surface of the used substrate layer 10, the protective silica gel layer 30 is coated on the surface of the self-repairing layer 20, the protective substrate layer 40 is coated on the surface of the protective silica gel layer 30 in a hot pressing mode, the used silica gel layer 50 is coated on the bottom surface of the used substrate layer 10, and finally the release layer 60 is coated on the bottom surface of the used silica gel layer 50.

When the protective film is used, the release layer 60 is peeled off, and then the protective film is attached to the surface of a large-curved-surface mobile device (such as a screen, a lens and the like) for use.

The utility model discloses a design focus lies in:

The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.

Claims

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.