A UV transfer printing mobile phone back cover assembly with multiple textures

Abstract

The utility model provides a kind of UV transfer printing variety texture's mobile phone back cover assembly, belong to mobile phone back cover technical field, including mobile phone back cover structure, the mobile phone back cover structure includes transparent mobile phone back cover base plate, and set up camera hole, flash hole, charging hole and speaker hole on the transparent mobile phone back cover base plate.The utility model is by UV layer using UV transfer printing technology, can form a variety of different texture patterns (such as frosted, smooth, gradient, 3D solid etc.) on UV texture layer, satisfy the individualized needs of different users, UV transfer printing layer uses UV curing process, and curing speed is fast, energy consumption is low, compared with traditional spraying or electroplating process is more environmentally friendly and cost is lower, by setting high-strength layer, effectively improve the impact resistance of mobile phone back cover, prevent mobile phone from falling when back cover fragmentation, prolong service life, by setting scratch-proof layer, further enhance the wear resistance and scratch resistance of back cover, reduce abrasion in daily use.

Description

Technical Field

[0001] This utility model belongs to the field of mobile phone back cover technology, specifically relating to a mobile phone back cover component with UV transfer printing of multiple textures. Background Technology

[0002] The back cover of a mobile phone, as the name suggests, is a layer of material covering the back of the phone. It is located outside the motherboard, battery and other core components of the phone, and plays multiple roles such as protecting internal components, enhancing the structural stability of the phone and improving its appearance.

[0003] During the production and assembly of mobile phones, the back cover is used. The existing back covers have poor strength, and when the phone is dropped, the back cover is easily broken, which can cause damage to the back cover and shorten its lifespan. Therefore, it is necessary to design a mobile phone back cover component that can be UV transferred to print multiple textures. Utility Model Content

[0004] The purpose of this invention is to provide a mobile phone back cover assembly with UV transfer printing of various textures, aiming to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A mobile phone back cover assembly with UV transfer printing of multiple textures includes:

[0007] A mobile phone back cover structure, the mobile phone back cover structure including a transparent mobile phone back cover base plate, and a camera hole, a flash hole, a charging hole and a speaker hole formed on the transparent mobile phone back cover base plate;

[0008] The UV layer includes a UV transfer layer and a UV texture layer disposed on the UV transfer layer;

[0009] An adhesive layer and a high-strength layer, wherein the high-strength layer comprises a transparent PVC layer and a transparent ABS layer;

[0010] The scratch-resistant layer includes a transparent acrylic coating layer and a transparent epoxy resin coating layer. A UV layer is used to achieve texture decoration, a high-strength layer enhances impact resistance, and the scratch-resistant layer improves wear resistance, thus comprehensively improving the durability and aesthetics of the phone back cover.

[0011] As a preferred embodiment of this utility model, the transparent mobile phone back cover base plate is made of transparent plastic material. The shape and size of the camera hole, flash hole, charging hole and speaker hole are adapted to the corresponding parts of the mobile phone. By using transparent plastic (such as PC, PMMA), it is lightweight and has good light transmittance, and does not affect the mobile phone signal and wireless charging function.

[0012] As a preferred embodiment of this utility model, the UV layer is disposed on one side of the base plate of the transparent mobile phone back cover, and is directly attached to the base plate by the UV layer, avoiding the risk of delamination and improving the stability of the texture pattern.

[0013] In a preferred embodiment of this utility model, the adhesive layer is disposed on the side of the UV layer away from the transparent mobile phone back cover substrate. By providing the adhesive layer, the UV layer and the high-strength layer are firmly bonded together, preventing separation between the layers when dropped.

[0014] As a preferred embodiment of this utility model, the high-strength layer is connected to the UV layer through the adhesive layer, and the composite of the transparent PVC layer and the transparent ABS layer provides high toughness and effectively absorbs the impact of falling. The multi-layer composite design ensures strength without significantly increasing the thickness.

[0015] In a preferred embodiment of this invention, the anti-scratch layer is disposed on the side of the high-strength layer away from the adhesive layer, and is achieved through a double coating of a transparent acrylic coating layer and a transparent epoxy resin coating layer, thereby extending the appearance life.

[0016] As a preferred embodiment of this utility model, the UV transfer layer is formed on the transparent mobile phone back cover substrate by a UV curing process. The UV texture layer has at least two different texture patterns. The UV curing speed is fast, the energy consumption is low, there is no solvent evaporation, which is in line with the trend of green manufacturing. It supports a variety of textures and meets personalized needs.

[0017] Compared with the prior art, the beneficial effects of this utility model are as follows: By using UV transfer technology on the UV layer, a variety of different texture patterns (such as frosted, glossy, gradient, 3D, etc.) can be formed on the UV texture layer to meet the personalized needs of different users. The UV transfer layer adopts a UV curing process, which has a fast curing speed and low energy consumption. Compared with traditional spraying or electroplating processes, it is more environmentally friendly and lower in cost. By setting a high-strength layer, the impact resistance of the mobile phone back cover is effectively improved, preventing the back cover from breaking when the mobile phone is dropped and extending its service life. By setting an anti-scratch layer, the wear resistance and scratch resistance of the back cover are further enhanced, reducing wear and tear during daily use. Attached Figure Description

[0018] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Among them:

[0019] Figure 1 This is a three-dimensional schematic diagram of the overall structure of this utility model;

[0020] Figure 2 This is a partial enlarged cross-sectional view of the present invention;

[0021] Figure 3 This is an enlarged cross-sectional view of the UV layer of this utility model;

[0022] Figure 4 This is an enlarged cross-sectional view of the high-strength layer of this utility model;

[0023] Figure 5 This is an enlarged cross-sectional view of the anti-scratch layer of this utility model.

[0024] In the diagram: 100, mobile phone back cover structure; 110, transparent mobile phone back cover base plate; 120, camera hole; 130, flash hole; 140, charging hole; 150, speaker hole; 200, UV layer; 210, UV transfer layer; 220, UV texture layer; 300, adhesive layer; 400, high-strength layer; 410, transparent PVC layer; 420, transparent ABS layer; 500, scratch-resistant layer; 510, transparent acrylic coating layer; 520, transparent epoxy resin coating layer. Detailed Implementation

[0025] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0026] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0027] Secondly, the term "an embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that excludes other embodiments.

[0028] Example

[0029] Reference Figure 1-5 This embodiment of the present invention provides a mobile phone back cover assembly with UV transfer printing of multiple textures, comprising:

[0030] The mobile phone back cover structure 100 includes a transparent mobile phone back cover base plate 110, and a camera hole 120, a flash hole 130, a charging hole 140 and a speaker hole 150 formed on the transparent mobile phone back cover base plate 110.

[0031] UV layer 200, which includes UV transfer layer 210 and UV texture layer 220 disposed on UV transfer layer 210;

[0032] The adhesive layer 300 and the high-strength layer 400, the high-strength layer 400 including a transparent PVC layer 410 and a transparent ABS layer 420;

[0033] The scratch-resistant layer 500 includes a transparent acrylic coating layer 510 and a transparent epoxy resin coating layer 520. The UV layer 200 achieves texture decoration, the high-strength layer 400 enhances impact resistance, and the scratch-resistant layer 500 improves wear resistance, thus comprehensively improving the durability and aesthetics of the phone back cover.

[0034] Specifically, the transparent back cover base plate 110 is made of transparent plastic material. The shape and size of the camera hole 120, flash hole 130, charging hole 140 and speaker hole 150 are adapted to the corresponding parts of the mobile phone. By using transparent plastics such as PC and PMMA, the weight is light and the light transmittance is good, which does not affect the mobile phone signal and wireless charging function.

[0035] Furthermore, the UV layer 200 is disposed on one side of the transparent mobile phone back cover base plate 110. The UV layer 200 is directly attached to the base plate to avoid the risk of delamination and improve the stability of the texture pattern.

[0036] Preferably, the adhesive layer 300 is disposed on the side of the UV layer 200 away from the transparent mobile phone back cover substrate 110. By disposing of the adhesive layer 300, the UV layer 200 and the high-strength layer 400 are firmly bonded together, preventing separation of the layers when dropped.

[0037] It should be noted that the high-strength layer 400 is connected to the UV layer 200 through the adhesive layer 300, and provides high toughness through the composite of the transparent PVC layer 410 and the transparent ABS layer 420, effectively absorbing the impact of falling. The multi-layer composite design ensures strength without significantly increasing the thickness.

[0038] The anti-scratch layer 500 is located on the side of the high-strength layer 400 away from the adhesive layer 300. It is achieved by double coating of transparent acrylic coating layer 510 and transparent epoxy resin coating layer 520, which can reduce scratch resistance and extend the appearance life.

[0039] The UV transfer layer 210 is formed on the transparent mobile phone back cover base plate 110 through UV curing process. The UV texture layer 220 has at least two different texture patterns. The UV curing speed is fast, the energy consumption is low, there is no solvent evaporation, which is in line with the green manufacturing trend and supports a variety of textures to meet personalized needs.

[0040] In summary, by using UV transfer technology on UV layer 200, various texture patterns such as frosted, glossy, gradient, and 3D can be formed on UV texture layer 220 to meet the personalized needs of different users. UV transfer layer 210 adopts UV curing process, which has fast curing speed and low energy consumption. Compared with traditional spraying or electroplating process, it is more environmentally friendly and lower in cost. By setting high-strength layer 400, the impact resistance of the mobile phone back cover is effectively improved, preventing the back cover from breaking when the mobile phone is dropped and extending its service life. By setting anti-scratch layer 500, the wear resistance and scratch resistance of the back cover are further enhanced, reducing wear and tear in daily use.

[0041] It is important to note that the constructions and arrangements of this application shown in several different exemplary embodiments are merely illustrative. Although only a few embodiments are described in detail in this disclosure, those who consult this disclosure will readily understand that many modifications are possible (e.g., changes in the size, dimensions, structure, shape and proportion of various elements, as well as parameter values ​​(e.g., temperature, pressure, etc.), mounting arrangements, use of materials, color, orientation, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in this application). For example, an element shown as integrally formed may be composed of multiple parts or elements, the position of elements may be inverted or otherwise altered, and the nature or number or position of discrete elements may be changed or altered. Therefore, all such modifications are intended to be included within the scope of this utility model. The order or sequence of any process or method steps may be changed or rearranged according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure described herein that performs the function, and not only structural equivalents but also equivalent structures. Without departing from the scope of this invention, other substitutions, modifications, alterations, and omissions may be made in the design, operation, and arrangement of the exemplary embodiments. Therefore, this invention is not limited to the specific embodiments, but extends to various modifications that still fall within the scope of the appended claims.

[0042] Furthermore, in order to provide a concise description of exemplary embodiments, not all features of actual embodiments (i.e., those features that are not relevant to the best mode of carrying out the present invention as currently considered, or those features that are not relevant to implementing the present invention) may be omitted.

[0043] It should be understood that numerous specific implementation decisions can be made during the development of any practical implementation, such as in any engineering or design project. Such development efforts may be complex and time-consuming, but for those skilled in the art who benefit from this disclosure, the development effort will be a routine work of design, manufacturing, and production without requiring much experimentation.

[0044] It should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of the technical solution of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A mobile phone back cover assembly with UV transfer printing of multiple textures, characterized in that: include: The mobile phone back cover structure (100) includes a transparent mobile phone back cover base plate (110), and a camera hole (120), a flash hole (130), a charging hole (140) and a speaker hole (150) opened on the transparent mobile phone back cover base plate (110). A UV layer (200) includes a UV transfer layer (210) and a UV texture layer (220) disposed on the UV transfer layer (210); An adhesive layer (300) and a high-strength layer (400), wherein the high-strength layer (400) comprises a transparent PVC layer (410) and a transparent ABS layer (420); The scratch-resistant layer (500) includes a transparent acrylic coating layer (510) and a transparent epoxy resin coating layer (520).

2. The mobile phone back cover assembly with UV transfer printing of multiple textures according to claim 1, characterized in that: The transparent mobile phone back cover base plate (110) is made of transparent plastic material, and the shape and size of the camera hole (120), flash hole (130), charging hole (140) and speaker hole (150) are adapted to the corresponding parts of the mobile phone.

3. A mobile phone back cover assembly with UV transfer printing of multiple textures according to claim 2, characterized in that: The UV layer (200) is disposed on one side of the transparent mobile phone back cover base plate (110).

4. A mobile phone back cover assembly with UV transfer printing of multiple textures according to claim 3, characterized in that: The adhesive layer (300) is disposed on the side of the UV layer (200) away from the transparent mobile phone back cover base plate (110).

5. A mobile phone back cover assembly with UV transfer printing of multiple textures according to claim 4, characterized in that: The high-strength layer (400) is connected to the UV layer (200) through the adhesive layer (300).

6. A mobile phone back cover assembly with UV transfer printing of multiple textures according to claim 5, characterized in that: The anti-scratch layer (500) is disposed on the side of the high-strength layer (400) away from the adhesive layer (300).

7. A mobile phone back cover assembly with UV transfer printing of multiple textures according to claim 6, characterized in that: The UV transfer layer (210) is formed on the transparent mobile phone back cover substrate (110) by a UV curing process, and the UV texture layer (220) has at least two different texture patterns.

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