Film coating structure capable of improving reflection

Abstract

The utility model discloses a film coating structure capable of improving reflection, which comprises a base layer arranged on a back plate of a mobile phone, a second bonding layer, a sand layer, a first bonding layer and a TiO2 film which are sequentially coated from inside to outside by taking the base layer as a bottom layer, the TiO2 film is a TiO2 film coating film made of transparent materials, the first bonding layer and the second bonding layer are transparent material coating films, and the sand layer is arranged between the first bonding layer and the second bonding layer. The sand layer is made of transparent particles, and a coloring layer is arranged on the adjacent surface of the base layer and the second bonding layer. When the mobile phone backboard is illuminated, light rays penetrate through the TiO2 film and the transparent first bonding layer and are reflected at multiple angles on the sand layer, most of the light rays are refracted, heating of the backboard is reduced, part of the light rays penetrate through the sand layer to enter the coloring layer and are reflected again at multiple angles through the sand layer, and the mobile phone backboard has strong impact feeling visually. And the ornamental texture of the mobile phone is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of coating structures, in particular to a coating structure for improving reflection. Background Art

[0002] Today's mobile phones are colorful and can enhance visual beauty. In order to achieve rich colors on mobile phone cases, the existing technology is to spray paint or electroplating. Spraying paint will cause the disadvantages of fading, poor wear resistance, and poor durability. In recent years, PVD coating (ion coating) technology has gradually become one of the most advanced surface treatment methods today;

[0003] Coating structure refers to the process of depositing one or more layers of materials with specific functions on the surface of the substrate to improve its physical, chemical or mechanical properties. This deposition can be achieved by a variety of methods, including physical vapor deposition (PVD), chemical vapor deposition (CVD), electrochemical plating, etc.

[0004] However, after coating, although the visual sense is enhanced, considering the different usage environments of mobile phones, once the mobile phone case is exposed to sunlight, the film material will absorb a large amount of spectrum for a long time, coupled with the thermal conductivity of the coating and structure, the battery temperature inside the mobile phone will rise with the sunlight. In addition, the normal use of the mobile phone, the use of the mobile phone at a higher temperature, and the charging of the mobile phone will heat up. The back of the mobile phone is exposed to the sun, which will also increase the battery temperature. Therefore, a coating structure that can improve the reflection of light is proposed. Utility Model Content

[0005] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the specification abstract and utility model name of this application to avoid blurring the purpose of this section, specification abstract and utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0006] In order to solve the above-mentioned problems, the utility model provides the following technical solutions:

[0007] A reflective coating structure is disclosed, comprising a base layer arranged on the back panel of a mobile phone, with the base layer as the base layer and a second adhesive layer, a sand layer, a first adhesive layer and a TiO2 film coated in sequence from the inside to the outside, wherein the TiO2 film is a TiO2 film coating made of a transparent material, the first adhesive layer and the second adhesive layer are transparent material coatings, the sand layer is transparent particles, and a coloring layer is provided on the surface adjacent to the base layer and the second adhesive layer.

[0008] On the basis of the above technical solution, the present invention can also be improved as follows.

[0009] As a preferred embodiment of the reflection coating structure of the present utility model, wherein: a transparent fiber layer is provided between the TiO2 film and the first adhesive layer.

[0010] As a preferred embodiment of the reflection coating structure of the present utility model, wherein: the transparent fiber layer is a flat mesh structure.

[0011] As a preferred embodiment of the reflection coating structure of the present utility model, wherein: the sand layer has a multi-angular surface, and the diameter of the sand layer particles is 5 - 10 nm.

[0012] As a preferred embodiment of the reflection coating structure of the present utility model, wherein: the primer layer is a silicon-aluminum mixture film.

[0013] As a preferred embodiment of the reflection coating structure of the present utility model, wherein: an SiO2 film is provided between the primer layer and the second adhesive layer, and a coloring layer is provided between the SiO2 film and the primer layer.

[0014] As a preferred embodiment of the reflection coating structure of the present utility model, wherein: the coloring layer is a PVD coating, and the thickness is between 7 - 9 nm.

[0015] The beneficial effects of the present utility model are as follows: When the back panel of the mobile phone receives light, the light passes through the TiO2 film and the transparent first adhesive layer and is reflected at multiple angles on the sand layer, refracting most of the light, reducing the heat absorption of the back panel. Part of the light passes through the sand layer and enters the coloring layer, and is reflected at multiple angles again by the sand layer, which has a strong impact visually and improves the texture of the mobile phone for viewing. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings. Among them:

[0017] Figure 1 It is a three-dimensional view of the whole of this embodiment.

[0018] Figure 2 For this embodiment Figure 1 is a structural schematic diagram.

[0019] Figure 3 For this embodiment Figure 2 is a detailed partial schematic diagram.

[0020] In the figure: TiO2 film 101, transparent fiber layer 101a;

[0021] The first adhesive layer 102, the sand layer 103, the second adhesive layer 104;

[0022] The primer layer 105, the SiO2 film 105a, the coloring layer 105b;

[0023] The first refraction path 201, the second refraction path 202. Specific embodiments

[0024] In order to make the above objects, features, and advantages of the present utility model more obvious and understandable, the following will make a detailed description of the specific embodiments of the present utility model with reference to the accompanying drawings of the specification.

[0025] In the following description, many specific details are set forth in order to fully understand the present utility model. However, the present utility model can also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the connotation of the present utility model. Therefore, the present utility model is not limited by the specific embodiments disclosed below.

[0026] Secondly, the so-called "one embodiment" or "embodiment" herein refers to a specific feature, structure, or characteristic that can be included in at least one implementation manner of the present utility model. The "in one embodiment" that appears in different places in this specification does not all refer to the same embodiment, nor is it a separate or alternative embodiment that mutually excludes other embodiments.

[0027] Embodiment

[0028] Referring to Figures 1 to 3 , which is an embodiment of the present utility model. This embodiment provides a reflective coating structure improvement, including a primer layer 105 provided on the back panel of the mobile phone. From the inside to the outside with the primer layer 105 as the bottom layer, a second adhesive layer 104, a sand layer 103, a first adhesive layer 102, and a TiO2 film 101 are sequentially plated. The TiO2 film 101 is a TiO2 film coating made of a transparent material. The first adhesive layer 102 and the second adhesive layer 104 are coatings made of transparent materials. The sand layer 103 is transparent particles. A coloring layer 105b is provided on the adjacent surface of the primer layer 105 and the second adhesive layer 104;

[0029] Specifically, when the back panel of the mobile phone receives light, the light passes through the TiO2 film and the transparent first adhesive layer 102 and is reflected at multiple angles in the sand layer 103, refracting most of the light, reducing the heat absorption of the back panel. Part of the light passes through the sand layer 103 and enters the coloring layer 105b, and is reflected at multiple angles again through the sand layer 103, having a strong impact visually and improving the texture of the mobile phone for viewing;

[0030] Such as Figure 2As shown, a transparent fiber layer 101a is provided between the TiO2 film 101 and the first adhesive layer 102. The transparent fiber layer 101a is a flat mesh structure, which is used to prevent the film structure from cracking and causing fragmentation, and piercing the human skin. Specifically, the following materials can be used;

[0031] Polyester film: This material is commonly known as a safety explosion-proof film, which can stick to glass fragments when the glass breaks, prevent splashing, and protect people inside and outside the building from the harm of flying glass fragments.

[0032] PVB (polyvinyl butyral) and SGP (silicone-modified polyvinyl butyral): These materials are usually used in laminated glass. Even if the glass breaks, it will not scatter, thus effectively preventing the flying of glass fragments.

[0033] Nitrocellulose: Coating nitrocellulose on the glass surface can prevent the glass fragments from flying.

[0034] Polystyrene electrospun fiber membrane: This transparent fiber membrane has excellent optical and mechanical properties and can remain transparent under mechanical pressure.

[0035] Cellulose nanofibers: The transparent film made of this material exhibits excellent optical and mechanical properties and is suitable for fields such as photonics and optoelectronics.

[0036] High-strength transparent cellulose material: The cellulose material prepared by the methods of delignification and pressure drying has a high light transmittance and good mechanical properties.

[0037] As Figure 3 shown, the sand layer 103 has a multi-angular surface, and the particle diameter of the sand layer 103 is 5 - 10 nm. The small and multi-angular sand layer 103 particles have a better effect on light reflection and refraction. At the same time, the small sand layer 103 particles can fill the gaps between them more evenly during laying, and can better maintain the flatness of the film when forming the film;

[0038] As Figure 2 shown, the primer layer 105 is a silicon-aluminum mixture film. An SiO2 film 105a is provided between the primer layer 105 and the second adhesive layer 104, and a coloring layer 105b is provided between the SiO2 film 105a and the primer layer 105. The coloring layer 105b is a PVD coating, and its thickness is between 7 - 9 nm;

[0039] Using a silicon-aluminum mixture film as the bottom film of the mobile phone backplane has the following advantages:

[0040] High strength and weather resistance: The silicon-aluminum mixture coating forms a protective film on the surface, with extremely high strength and weather resistance;

[0041] Wear resistance and corrosion resistance: The silicon-aluminum mixture coating can improve the wear resistance and corrosion resistance of materials.

[0042] High temperature resistance: The silicon-aluminum mixture coating also has good high temperature resistance.

[0043] Low refractive index and hardness: Silicon-aluminum oxide is a low refractive index mixed film material, used for coating antireflection films and antireflection coatings, especially suitable for plastic substrates. Its refractive index and hardness are similar to those of SiO2, but its coating operability and environmental adaptability are better than those of SiO2, and the film stress is smaller.

[0044] Antioxidant performance: Silicon and aluminum can form an oxide film with antioxidant performance, protecting steel from being easily affected by oxidation and extending the service life of steel.

[0045] Importantly, it should be noted that the construction and arrangement of the present application shown in multiple different exemplary embodiments are only illustrative. Although only a few embodiments are described in detail in this disclosure, those who refer to this disclosure should easily understand that many modifications are possible without substantially departing from the novel teachings and advantages of the subject matter described in this application (for example, the dimensions, scales, structures, shapes and proportions of various elements, as well as parameter values (such as temperature, pressure, etc.), installation arrangements, use of materials, color, orientation changes, etc.). For example, an element shown as being integrally formed may be composed of multiple parts or elements, the position of the element may be inverted or otherwise changed, and the nature, number or position of discrete elements may be changed or altered. Therefore, all such modifications are intended to be included within the scope of the present utility model. The order or sequence of any process or method steps may be changed or reordered according to alternative embodiments. In the claims, any "means-plus-function" clause is intended to cover the structures that perform the recited function described herein, and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present utility model. Therefore, the present utility model is not limited to specific embodiments, but extends to various modifications that still fall within the scope of the appended claims.

[0046] In addition, in order to provide a concise description of the exemplary embodiments, not all features of the actual embodiments may be described (i.e., those features that are not relevant to the currently considered best mode of implementing the present utility model, or those features that are not relevant to the implementation of the present utility model).

[0047] It should be understood that, in the development of any actual implementation, such as in any engineering or design project, a large number of specific implementation decisions can be made. Such development efforts may be complex and time-consuming, but for those of ordinary skill in the art who benefit from this disclosure, without undue experimentation, such development efforts will be routine work in design, manufacturing, and production.

[0048] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and not to limit them. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be modified or equivalently replaced without departing from the spirit and scope of the technical solutions of the present invention, and they should all be covered within the scope of the claims of the present invention.

Claims

1. An improved reflective coating structure, characterized in that: It includes a bottom layer (105) provided on the back panel of the mobile phone. A second adhesive layer (104), a sand layer (103), a first adhesive layer (102), and a TiO2 film (101) are sequentially plated from the inside to the outside with the bottom layer (105) as the bottom layer. The TiO2 film (101) is a TiO2 film coated with a transparent material. The first adhesive layer (102) and the second adhesive layer (104) are coated with transparent materials. The sand layer (103) is composed of transparent particles. A coloring layer (105b) is provided on the adjacent surface between the bottom layer (105) and the second adhesive layer (104).

2. The improved reflective coating structure according to claim 1, wherein: A transparent fiber layer (101a) is provided between the TiO2 film (101) and the first adhesive layer (102).

3. The improved reflective coating structure according to claim 2, wherein: The transparent fiber layer (101a) has a flat mesh structure.

4. The improved reflective coating structure according to claim 1, wherein: The sand layer (103) has a multi-faceted surface, and the particle diameter of the sand layer (103) is 5 - 10 nm.

5. The improved reflective coating structure according to claim 1, wherein: The bottom layer (105) is a silicon-aluminum mixture film.

6. The improved reflective coating structure according to claim 5, characterized in that: A SiO2 film (105a) is provided between the bottom layer (105) and the second adhesive layer (104), and a coloring layer (105b) is provided between the SiO2 film (105a) and the bottom layer (105).

7. The improved reflective coating structure according to claim 6, wherein: The coloring layer (105b) is a PVD coating, and its thickness is between 7 - 9 nm.

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