CN214881787U

CN214881787U - Anti-fingerprint coating structure with anti-reflection and anti-reflection effects

Info

Publication number: CN214881787U
Application number: CN202120233015.8U
Authority: CN
Inventors: 陈胜利; 谢祥斌; 习锋
Original assignee: Dongguan Qipin Optics Co ltd
Current assignee: Dongguan Qipin Optics Co ltd
Priority date: 2021-01-28
Filing date: 2021-01-28
Publication date: 2021-11-26
Anticipated expiration: 2031-01-28

Abstract

The utility model discloses a fingerprint-proof coating structure with anti-reflection and anti-reflection effects, which comprises a first layer TiO coated on the surface of a mobile phone shell sheet in a vacuum sputtering mode₂Film of the first layer of TiO₂The surface of the film is sequentially plated withUpper second layer of SiO₂Film, third AF film, fourth TiO film₂-AR film, fifth STAL film, sixth ZrO film₂And (3) a membrane. The six layers of films jointly form a white-green gradient after the coating of the mobile phone shell, particularly, the third layer of AF film enables a layer of nano chemical material to be formed on the surface of the coating according to the lotus leaf anti-fouling and anti-fingerprint principle, and the second layer of SiO film₂The surface tension of the film is minimized, the dust and the second SiO layer₂The contact area of the surface of the film is reduced by 90 percent, so that the film has stronger hydrophobic, oil stain resistant and fingerprint resistant capabilities; the surface of the mobile phone shell can keep the effect of smoothness and blame for a long time. Further, a fourth layer of TiO₂The AR film can play a role in antireflection and permeability increasing.

Description

Anti-fingerprint coating structure with anti-reflection and anti-reflection effects

Technical Field

The utility model relates to a vacuum sputtering field technique especially indicates a prevent fingerprint coating film structure with anti-reflection effect.

Background

Along with the development of the mobile phone industry, the importance of the appearance of the mobile phone is more and more emphasized by mobile phone designers, the designers not only meet the decoration effect of the periphery of a mobile phone screen, but also introduce the mobile phone shell cover to have touch feeling and texture and have a metal decoration effect in order to meet the requirements of the public on the appearance.

The coating process is currently applied to mobile phone molded parts, but due to the reasons that the process method is immature and unstable, the processed finished product has the technical difficulties of poor gloss effect, oil resistance, easy dirt adhesion and the like caused by poor scratch resistance and poor reflection effect, so that the coating structure layout and material selection of the existing mobile phone shell decorating parts are required to be improved and innovated.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention is directed to the defects of the prior art, and the main object of the present invention is to provide a fingerprint-proof coating structure with anti-reflection and anti-reflection effects, which not only has the function of fingerprint-proof, but also has the anti-reflection and anti-reflection effects, thereby overcoming the disadvantages of the prior art.

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

a fingerprint-proof coating structure with anti-reflection and anti-reflection effects comprises a first layer of TiO plated on the surface of a mobile phone shell sheet in a vacuum sputtering manner₂Film of the first layer of TiO₂The surface of the film is sequentially coated with a second SiO layer₂Film, third AF film, fourth TiO film₂-AR film, fifth STAL film, sixth ZrO film₂And (3) a membrane.

As a preferable mode, the above-mentionedFirst layer of TiO₂The thickness of the film was 10 nm.

Preferably, the second layer of SiO₂The thickness of the film was 53 nm.

Preferably, the third layer AF film has a thickness of 61 nm.

Preferably, the fourth layer of TiO₂AR film thickness 15 nm.

As a preferable mode, the thickness of the fifth layer STAL film is 80 nm.

Preferably, the sixth layer of ZrO₂The thickness of the film was 75.3 nm.

Compared with the prior art, the coating film has obvious advantages and beneficial effects, and particularly, the coating film has a six-layer structure comprising a first layer of TiO₂Film, second layer SiO₂Film, third AF film, fourth TiO film₂-AR film, fifth STAL film, sixth ZrO film₂And (3) a membrane. Six retes present the gradual change of grey and blue after constituting cell-phone shell coating jointly, especially, the utility model discloses a third layer AF membrane is according to the antifouling fingerprint principle of preventing of lotus leaf for the surface of coating film forms one deck nanometer chemical material, with second floor SiO₂The surface tension of the film is minimized, the dust and the second SiO layer₂The contact area of the surface of the film is reduced by 90 percent, so that the film has stronger hydrophobic, oil stain resistant and fingerprint resistant capabilities; the surface of the mobile phone shell can keep the effect of smoothness and blame for a long time. Further, a fourth layer of TiO₂the-AR film is an antireflection film by increasing TiO₂The reflectivity of the film achieves the anti-reflection purpose. When light is emitted from the light-sparse substance to the light-dense substance, half-wave loss occurs in reflected light, and the reflected light is reflected at TiO₂After the AR film is plated on the surface of the film, the optical path difference of the reflected light of the surface is just half wavelength different from that of the reflected light of the surface before the AR film is plated, the reflected light of the front surface and the reflected light of the rear surface of the film are cancelled, namely, the energy of the transmitted light is increased, and therefore the anti-reflection and anti-reflection effects are achieved.

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 schematic view of the coating effect of the embodiment of the present invention.

FIG. 2 is a schematic view of a layered structure of a coating film according to an embodiment of the present invention.

The attached drawings indicate the following:

10. first layer of TiO₂ Film 20, second layer SiO₂Film

30. Third AF film 40 and fourth TiO film₂-AR film

50. Fifth STAL film 60, sixth ZrO layer₂Film

100. Cell phone housing sheet.

Detailed Description

Referring to fig. 1 and 2, a specific structure of a preferred embodiment of the present invention is shown, which is an anti-fingerprint coating structure with anti-reflection and anti-reflection effects, including a first TiO2 film 10 coated on a surface of a mobile phone case sheet 100 by vacuum sputtering, wherein a second SiO2 film 20, a third AF film 30, a fourth TiO2-AR film 40, a fifth STAL film 50, and a sixth ZrO2 film 60 are sequentially coated on a surface of the first TiO2 film 10.

Wherein, the first TiO2 film 10 has hydrophilicity, and is combined with the second SiO2 film 20 in different time and proportion to form a film with self-cleaning effect (good hydrophilicity) and good adhesiveness. In this embodiment, the thickness of the first TiO2 film 10 is 10nm, and the thickness of the second SiO2 film 20 is 53 nm.

The third layer AF film 30 is an Anti-fingerprint film for short, and is formed by adopting a vacuum sputtering method for the second layer SiO2 film 20 and the third layer AF film 30. The third layer of AF film 30 forms a layer of nano chemical material on the surface of the film according to the lotus leaf antifouling and fingerprint-resistant principle, the surface tension of the second layer of SiO2 film 20 is reduced to the minimum, and the contact area of dust and the surface of the second layer of SiO2 film 20 is reduced by 90%, so that the film has stronger hydrophobic, oil stain resistant and fingerprint resistant capabilities; the surface of the mobile phone shell can keep the effect of smoothness and blame for a long time. In this embodiment, the thickness of the third AF film 30 is 61 nm.

The fourth TiO2-AR film 40 refers to TiO₂A composite film layer of the film and the AR film. The AR film is short for anti-reflection, and Chinese is anti-reflection film, and TiO is increased₂The reflectivity of the film achieves the anti-reflection purpose. When light is emitted from the light-sparse substance to the light-dense substance, half-wave loss occurs in reflected light, and the reflected light is reflected at TiO₂After the AR film is plated on the surface of the film, the optical path difference of the reflected light of the surface is just half wavelength different from that of the reflected light of the surface before the AR film is plated, and the reflected light of the front surface and the reflected light of the rear surface of the film are cancelled, namely the energy of the transmitted light is increased. In this example, the thickness of the fourth TiO2-AR film 40 is 15 nm.

The fifth-layer STAL film 50 is a silicon-aluminum mixture film, and because the fifth-layer STAL film is a mixture of silicon and aluminum, compared with the traditional method that a single silicon material is adopted, the fifth-layer STAL film has better performance, can successfully pass a generated hydration test, a high-temperature resistance test and an ultraviolet test, and has higher yield. In this embodiment, the fifth layer STAL film 50 has a thickness of 80 nm.

The sixth layer of ZrO2 film 60 is used as the outermost layer of the coating film of the product, the coating has fine grains, flat and smooth surface, compact and uniform microstructure and extremely high hardness, and can play a role in protecting scratch resistance. On the other hand, ZrO in the plating layer₂The existence of the ZrO compound coating changes the abrasion mechanism of the compound coating₂The surface of the particles is formed with protrusions, the protrusions being ZrO₂The particles act as a load-bearing, elevated ZrO during frictional contact₂The particles participate in the abrasion first, so that the particles have excellent abrasion resistance. In this example, the thickness of the sixth layer of ZrO2 film 60 was 75.3 nm.

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 fingerprint coating film structure with anti-reflection effect which characterized in that: the mobile phone shell comprises a first TiO2 film (10) plated on the surface of a mobile phone shell sheet in a vacuum sputtering mode, wherein a second SiO2 film (20), a third AF film (30), a fourth TiO2-AR film (40), a fifth STAL film (50) and a sixth ZrO2 film (60) are sequentially plated on the surface of the first TiO2 film (10).

2. The anti-fingerprint coating structure with anti-reflection and anti-reflection effects as claimed in claim 1, wherein: the first layer of TiO2 film (10) had a thickness of 10 nm.

3. The anti-fingerprint coating structure with anti-reflection and anti-reflection effects as claimed in claim 1, wherein: the second SiO2 film (20) had a thickness of 53 nm.

4. The anti-fingerprint coating structure with anti-reflection and anti-reflection effects as claimed in claim 1, wherein: the third AF film (30) has a thickness of 61 nm.

5. The anti-fingerprint coating structure with anti-reflection and anti-reflection effects as claimed in claim 1, wherein: the fourth layer of TiO2-AR film (40) has a thickness of 15 nm.

6. The anti-fingerprint coating structure with anti-reflection and anti-reflection effects as claimed in claim 1, wherein: the fifth layer STAL film (50) has a thickness of 80 nm.

7. The anti-fingerprint coating structure with anti-reflection and anti-reflection effects as claimed in claim 1, wherein: the thickness of the sixth layer of ZrO2 film (60) was 75.3 nm.