CN218728121U - Prevent fingerprint coating film structure - Google Patents

Abstract

The utility model discloses a prevent fingerprint coating film structure relates to coating film technical field, specifically is a prevent fingerprint coating film structure, include the anchor coat of plating on cell-phone substrate surface with vacuum evaporation's mode, AG membrane, AR membrane, AF membrane, zrO2 membrane have been plated in proper order on the surface of anchor coat. The anti-fingerprint coating structure has the advantages that the ZrO2 film is plated on the surface of the AF film, the coating of the ZrO2 film is fine in crystal grains, smooth and flat in surface, compact and uniform in microstructure, high in hardness and capable of playing a role in protecting scratch resistance, meanwhile, due to the existence of ZrO2 in the coating, the abrasion mechanism of the composite coating is changed, the surface of ZrO2 particles forms protrusions, the protruding ZrO2 particles play a bearing role, and when in frictional contact, the protruding ZrO2 particles firstly participate in abrasion, so that the coating has excellent abrasion resistance, and abrasion and scratch of the AF film caused by long-time use are avoided.

Description

Prevent fingerprint coating film structure

Technical Field

The utility model relates to a coating film technical field specifically is a prevent fingerprint coating film structure.

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 film coating process is currently applied to mobile phone molded parts, for example, an AF film is coated on the surface of a mobile phone substrate to achieve the purpose of fingerprint prevention, but only the AF film is coated, after long-time use, the AF film is easy to wear and fall off, the AF film is weak in scratch resistance, the AF film is easy to scratch, and the local fingerprint resistance is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a prevent fingerprint coating film structure to prior art not enough, the problem of proposing in the above-mentioned background art has been solved.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the anti-fingerprint coating structure comprises a bonding layer coated on the surface of a mobile phone substrate in a vacuum evaporation mode, wherein an AG film, an AR film, an AF film and a ZrO2 film are sequentially coated on the surface of the bonding layer.

Preferably, the bonding layer is prepared by bonding the transition layer and the hardening layer with the silicon oxide film layer, and the thickness value of the bonding layer is 20-40nm.

Preferably, the transition layer adopts the preparation of alumina film layer, the sclerosis layer adopts the silicon nitride rete, all adopt vacuum evaporation's mode to connect between cell-phone substrate, transition layer, sclerosis layer and the silica rete.

Preferably, the thickness of the AG film is 10 to 30nm.

Preferably, the thickness of the AR film has a value of 10 to 20nm.

Preferably, the thickness value of the AF film is 65 to 85nm.

Preferably, the thickness value of the ZrO2 film is 70 to 80nm.

The utility model provides a prevent fingerprint coating film structure possesses following beneficial effect:

1. the anti-fingerprint coating structure has the advantages that the ZrO2 film is plated on the surface of the AF film, the coating of the ZrO2 film is fine in crystal grains, smooth and flat in surface, compact and uniform in microstructure, high in hardness and capable of playing a role in protecting scratch resistance, meanwhile, due to the existence of ZrO2 in the coating, the abrasion mechanism of the composite coating is changed, the surface of ZrO2 particles forms protrusions, the protruding ZrO2 particles play a bearing role, and when in frictional contact, the protruding ZrO2 particles firstly participate in abrasion, so that the coating has excellent abrasion resistance, and abrasion and scratch of the AF film caused by long-time use are avoided.

2. This prevent fingerprint coating film structure, through set up the anchor coat between cell-phone substrate and AG membrane, AR membrane, each rete of AF membrane, the anchor coat is formed by aluminium oxide, silicon nitride, silicon oxide is compound, silicon oxide can carry out better combination with glass, metal, plastics material, and pass through silicon nitride, silicon oxide rete and pass through, can make AG membrane, AR membrane, AF membrane and anchor coat firmly combine, thereby the bonding strength of AG membrane, AR membrane, AF membrane on cell-phone substrate surface has been improved.

Drawings

FIG. 1 is a schematic structural view of the present invention after being integrally assembled;

FIG. 2 is a schematic structural view of the overall cross section of the present invention;

fig. 3 is a schematic structural diagram of the film layers of the present invention after being unfolded.

In the figure: 1. a mobile phone substrate; 2. a bonding layer; 3. an AG film; 4. an AR film; 5. an AF film; 6. a ZrO2 film.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1 and 2, the present invention provides a technical solution: a fingerprint-proof coating structure comprises a bonding layer 2 coated on the surface of a mobile phone substrate 1 in a vacuum evaporation mode, wherein an AG film 3, an AR film 4, an AF film 5, a ZrO2 film 6 and ZrO2 in a ZrO2 film 6 are sequentially coated on the surface of the bonding layer 2, so that the abrasion mechanism of a composite coating is changed, protrusions are formed on the surfaces of ZrO2 particles, the protruding ZrO2 particles play a bearing role, during friction contact, the protruding ZrO2 particles firstly participate in abrasion, so that the excellent abrasion resistance is achieved, abrasion and scratching of the AF film 5 caused by long-time use are avoided, the bonding layer 2 is prepared by combining a transition layer and a hardening layer with a silicon oxide film layer, the thickness value of the bonding layer 2 is 20-40nm, the transition layer is prepared by adopting an aluminum oxide film layer, the hardening layer adopts a silicon nitride film layer, the mobile phone substrate 1, the transition layer, the hardening layer and the silicon oxide film layer are connected in a vacuum evaporation mode, silicon oxide in the bonding layer 2 can be well combined with glass, metal and plastic materials, and the silicon nitride film and the silicon oxide film is used for transition, si-O bonding with the AG film, the AR 3 film, AR film, the AF film and the AF film 5, thereby improving the bonding capability of various mobile phone substrate and the AG film 5.

Referring to fig. 3, the thickness of the AG film 3 is 10-30nm, the AG film 3 is arranged to prevent glare, so as to improve the clarity of the coating structure, the thickness of the AR film 4 is 10-20nm, by arranging the AR film 4, when light is emitted from a light-sparse substance to a light-dense substance, reflected light has half-wave loss, after the AR film is coated, the optical path difference of the reflected light on the surface is exactly half a wavelength different from that of the reflected light on the surface before the AR film is coated, the reflected light on the front surface and the rear surface of the film is cancelled, that is, the energy of transmitted light is increased, so as to achieve the anti-reflection and anti-reflection effects, the thickness of the AF film 5 is 65-85nm, by arranging the AF film 5, according to the principle of anti-fouling and anti-fingerprint, a layer of nano chemical material is formed on the coated surface, so that the coated surface has strong hydrophobic, anti-oil fouling and anti-fingerprint capabilities, the thickness of the dense 2 film 6 is 70-80nm, and by plating the surface of the AF film 6, the ZrO2 film 6, which is not only has a fine, but also has a smooth, a very high micro-scratch-texture, and a very high micro-scratch protection function of preventing micro-scratch.

In conclusion, when the anti-fingerprint coating structure is used, the bonding layer 2, the AG film 3, the AR film 4, the AF film 5 and the ZrO2 film 6 are sequentially coated on the surface of the mobile phone substrate 1 in a vacuum evaporation mode to realize the integral preparation, the alumina in the bonding layer 2 can be well bonded with glass, metal and plastic, and the AG film 3, the AR film 4 and the AF film 5 can be firmly bonded on the mobile phone substrate 1 through the transition of silicon nitride and silicon oxide, so that the AG film 3, the AR film 4 and the AF film 5 are mutually matched to achieve the purposes of preventing glare, increasing reflection and preventing fingerprints, and meanwhile, the ZrO2 film 6 and the ZrO2 film 6 are plated on the surface of the AF film 5, so that the coating has the advantages of fine grains, flat and smooth surface, compact and uniform microstructure, extremely high hardness, and effects of preventing scratching and abrasion.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a prevent fingerprint coating film structure which characterized in that: the mobile phone substrate comprises a bonding layer (2) plated on the surface of a mobile phone substrate (1) in a vacuum evaporation mode, wherein an AG film (3), an AR film (4), an AF film (5) and a ZrO2 film (6) are sequentially plated on the surface of the bonding layer (2).

2. The anti-fingerprint coating structure according to claim 1, wherein: the bonding layer (2) is prepared by combining a transition layer and a hardening layer with a silicon oxide film layer, and the thickness value of the bonding layer (2) is 20-40nm.

3. The anti-fingerprint coating structure as claimed in claim 2, wherein: the transition layer adopts the preparation of aluminium oxide rete, the sclerosis layer adopts the silicon nitride rete, all adopt the mode of vacuum deposition to connect between cell-phone substrate (1), transition layer, sclerosis layer and the silicon oxide rete.

4. The anti-fingerprint coating structure according to claim 1, wherein: the thickness value of the AG film (3) is 10-30nm.

5. The anti-fingerprint coating structure according to claim 1, wherein: the thickness value of the AR film (4) is 10-20nm.

6. The anti-fingerprint coating structure according to claim 1, wherein: the thickness value of the AF film (5) is 65-85nm.

7. The anti-fingerprint coating structure according to claim 1, wherein: the thickness value of the ZrO2 film (6) is 70-80nm.

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