Novel mobile phone rear cover
Through multi-layered structural design and processing, the problem of monotonous texture effects on existing mobile phone back covers has been solved, achieving natural and diverse textures and a comfortable feel, meeting consumers' needs for aesthetics and personalization.
Patent Information
- Application Number
- CN202520475675.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-18
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-03-18
AI Technical Summary
The optical texture of existing mobile phone back covers is uniform, which cannot meet consumers' demand for personalization and natural aesthetics.
It adopts a multi-layer structure design, including a protective layer, a composite board layer, a marking layer, a first texture layer, a second texture layer, a coating brightening layer, and an ink layer. Through different materials and processes, it forms a variety of texture effects. Combined with high-pressure molding and electroplating technology, it enhances the feel and aesthetics.
It achieves natural and diverse texture effects on the back cover of the phone, improves the comfort and anti-slip performance, and meets consumers' needs for personalization and aesthetics.
Smart Images
Figure CN223859165U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of mobile phone accessories, especially relates to a novel mobile phone back cover. BACKGROUND
[0002] With the progress of science and technology, the popularization rate of mobile phone is higher and higher, and the mobile phone back cover is a kind of mobile phone peripheral accessory installed on the back of the mobile phone, mainly playing the functions of protection and decoration etc.. At present, the optical texture effect of conventional mobile phone back cover is realized by texture mould, and the effect of each product is same, as shown in the figure. Figure 3 The mobile phone back cover made by this method has consistent appearance and single effect, and has no particularity, which does not meet the demand of people pursuing individuality. INVENTION CONTENT
[0003] In order to solve the above problems, the utility model provides a novel mobile phone back cover.
[0004] In order to achieve the above object, the technical scheme adopted by the utility model is as follows:
[0005] A novel mobile phone back cover, the mobile phone back cover comprises from outside to inside a protection layer, a composite board layer, an identification layer, a first texture layer, a second texture layer, a film plating brightening layer and an ink layer, the identification layer is printed on the back of the composite board layer, the first texture layer is bonded on the composite board layer with the identification layer by glue, and the second texture layer is transferred and pressed on the first texture layer; the film plating brightening layer covers the back of the second texture layer, and the ink layer is printed on the back of the film plating brightening layer; the protection layer is formed by spraying rubber paint on the outer surface of the composite board layer.
[0006] Preferably, the material of the composite board layer is PMMA / PC composite board.
[0007] Preferably, the identification layer is printed on the composite board layer by mirror ink through reverse printing, and the thickness of the identification layer is 0.005-0.006 mm.
[0008] Preferably, the first texture layer is acetic acid film and can imitate acetic acid fiber texture, and the thickness of the first texture layer is 0.08-0.1 mm.
[0009] Preferably, the second texture layer is a texture layer formed by UV transfer by UV glue, and the thickness of the second texture layer is 0.01-0.015 mm.
[0010] Preferably, the film plating brightening layer is formed by electroplating brightener on the back of the second texture layer, and the thickness of the film plating brightening layer is 150-200 nanometers.
[0011] Preferably, the thickness of the protective layer is 0.02-0.03mm, and the thickness of the composite board layer is 0.5mm.
[0012] Preferably, the ink layer is 4 layers, the thickness of each layer is 0.008-0.0012mm, and the total thickness of the 4 layers is 0.035-0.045mm.
[0013] Compared with the prior art, the present application has the following beneficial effects:
[0014] The present application prints the identification layer on the back of the composite board layer, then pastes the first texture layer on the composite board layer with the identification layer through the second texture layer, and forms the natural and various texture effect through high-pressure forming; then electroplates the film brightening layer on the back of the second texture layer, prints the ink layer on the back of the film brightening layer, and finally sprays rubber paint on the outer surface of the composite board layer to form the surface protective layer, so that the hand feeling is softer and more comfortable, and the anti-skid effect is good. BRIEF DESCRIPTION OF DRAWINGS
[0015] The accompanying drawings are used to provide a further understanding of the present application, and constitute a part of the specification, and are used to explain the present application together with the embodiments of the present application, and do not constitute a limitation to the present application.
[0016] In the drawings:
[0017] Figure 1 A partial cross-sectional structure schematic view of a novel mobile phone back cover is provided for the embodiments of the present application.
[0018] Figure 2 An appearance view of the mobile phone back cover is provided for the embodiments of the present application.
[0019] Figure 3 An appearance view of a conventional mobile phone back cover with optical texture effect is provided.
[0020] In the drawings:
[0021] 1-protective layer; 2-composite board layer; 3-identification layer; 4-first texture layer; 5-second texture layer; 6-film brightening layer; 7-ink layer. DETAILED DESCRIPTION
[0022] In order to make the technical problems to be solved by the present application, technical solutions and beneficial effects more clearly understood, the present application will be further described in detail below in conjunction with the accompanying drawings and examples. It should be understood that the specific examples described herein are only used to explain the present application and not intended to limit the present application. In the following detailed description of the present application, some specific details are described in detail. However, those skilled in the art can fully understand the present application without the detailed description of the part.
[0023] In addition, those skilled in the art should understand that the provided drawings are only for the purpose of illustrating the purposes, features and advantages of the present application, and the drawings are not actually drawn according to the proportion.
[0024] At the same time, unless the context clearly requires otherwise, the "includes", "comprises", and similar words in the entire specification and claims should be interpreted as inclusive meaning rather than exclusive or exhaustive meaning; that is, as "including but not limited to".
[0025] As Figure 1 shown, a new mobile phone back cover, the mobile phone back cover from outside to inside in turn includes protective layer 1, composite board layer 2, identification layer 3, first texture layer 4, second texture layer 5, coating brightening layer 6 and ink layer 7, the identification layer 3 is printed on the back of the composite board layer 2, the first texture layer 4 is bonded on the composite board layer 2 with identification layer 3 by glue, the second texture layer 5 is transferred and pressed on the first texture layer 4, and the 3D structure of the mobile phone back cover is pressed to realize the effect of natural and various textures; the coating brightening layer 6 covers the back of the second texture layer 5, forming a layer of high-gloss film; the ink layer 7 is printed on the back of the coating brightening layer 6, which can provide different colors by using ink; the protective layer 1 is formed by spraying rubber paint on the outer side of the composite board layer 2, which has a delicate, smooth and elegant touch, and has the properties of scratch resistance, weather resistance and wear resistance.
[0026] In the specific manufacturing process, the material of the composite board layer 2 is PMMA / PC composite board. The PC / PMMA composite board is an optical grade board with a transparent glass-like effect. The identification layer is formed by printing the mirror silver ink with a LOGO on the back of the composite board layer by reverse printing, and different LOGOs can be selected according to different products. The first texture layer is an acetic acid film, which is a protective film for protecting the surface of the mobile phone back cover and can simulate the texture of acetic acid fiber; the second texture layer is a UV texture layer formed by UV transfer printing of UV glue; the film plating brightening layer is formed by film plating on the back of the second texture layer, which has better gloss and has an increment effect; the ink layer is 4 layers, which has a shielding function and can also provide different base colors. The acetic acid film is a material cast from a casting solution of cellulose diacetate and cellulose triacetate and their mixture, which protects the surface of the mobile phone back cover, improves transparency and is easy to clean. This material is prior art and will not be described here.
[0027] The specific manufacturing process of the utility model is as follows:
[0028] (1) printing the mirror silver ink with a LOGO on the back of the PMMA / PC composite board by reverse printing;
[0029] (2) bonding the acetic acid film on the back of the PMMA / PC composite board with a LOGO by glue, combining the UV glue to the acetic acid film by UV transfer printing process, and forming the 3D structure of the mobile phone back cover by high pressure (20KG pressure) forming process; realizing the fixation of acetic acid texture and UV texture;
[0030] (3) film plating on the back of the UV texture layer;
[0031] (4) printing ink on the back of the film plating brightening layer to form the ink cover layer;
[0032] (5) spraying rubber paint on the outer surface of the PMMA / PC composite board to form a surface protection layer.
[0033] The appearance of the mobile phone back cover manufactured by the above method is shown in Figure 2 The size of each layer of the mobile phone back cover is as follows:
[0034] The thickness of the protective layer is 0.02-0.03mm, the thickness of the composite board layer is 0.5mm, the thickness of the identification layer is 0.005-0.006mm, the thickness of the first texture layer is 0.08-0.1mm, the thickness of the second texture layer is 0.01-0.015mm, the thickness of the film plating brightening layer is 150-200nm; the thickness of a single layer of the ink layer is 0.008-0.0012mm, and the total thickness of 4 layers is 0.035-0.045mm.
[0035] In summary, the utility model has the advantages of simple structure and various textures, the identification layer is printed on the back of the composite board layer, then the acetic acid material is pasted on the composite board with the identification layer through the UV texture layer and is formed through high pressure, so that the acetic acid texture is natural and various, then the second texture layer is plated with a film brightening layer on the back, the gloss is improved, then the ink layer is printed on the back of the film brightening layer, different base colors can be provided, finally the outer surface of the composite board layer is sprayed with rubber paint to form a surface protection layer, the hand feeling comfort is further improved.
[0036] Finally, it should be noted that: the above only for the preferred embodiments of the utility model and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features. Any modification, equivalent replacement, improvement etc. within the spirit and principle of the utility model should be included in the scope of protection of the utility model claims.
Claims
1. A new type of mobile phone back cover characterized by: The mobile phone back cover comprises, from outside to inside, a protective layer, a composite board layer, an identification layer, a first texture layer, a second texture layer, a plating brightening layer and an ink layer; the identification layer is printed on the back of the composite board layer; the first texture layer is bonded on the composite board layer with the identification layer by glue; the second texture layer is transferred and pressed on the first texture layer; the plating brightening layer covers the back of the second texture layer; the ink layer is printed on the back of the plating brightening layer; the protective layer is formed by spraying rubber paint on the outer surface of the composite board layer.
2. A new type of mobile phone back cover according to claim 1, characterized by: The material of the composite board layer is PMMA / PC composite board.
3. A new type of mobile phone back cover according to claim 1, characterized by: The identification layer is printed on the composite board layer by mirror ink on the back; the thickness of the identification layer is 0.005-0.006 mm.
4. A new type of mobile phone back cover according to claim 1, characterized by: The first texture layer is acetic acid film; the thickness of the first texture layer is 0.08-0.1 mm.
5. A new type of mobile phone back cover according to claim 1 characterized in that: The second texture layer is a texture layer formed by UV transfer of UV glue; the thickness of the second texture layer is 0.01-0.015 mm.
6. A new type of mobile phone back cover according to claim 1 characterized in that: The plating brightening layer is formed by electroplating brightener on the back of the second texture layer; the thickness of the plating brightening layer is 150-200 nm.
7. A new type of mobile phone back cover according to claim 1 characterized by: The thickness of the protective layer is 0.02-0.03 mm, and the thickness of the composite board layer is 0.5 mm.
8. A new type of mobile phone back cover according to any one of claims 1-7, characterized in that: The ink layer is 4 layers, the thickness of a single layer is 0.008-0.0012 mm, and the total thickness of the 4 layers is 0.035-0.045 mm.