CN112040040A - Rear cover plate for terminal equipment and terminal equipment - Google Patents
Rear cover plate for terminal equipment and terminal equipment Download PDFInfo
- Publication number
- CN112040040A CN112040040A CN202011051492.9A CN202011051492A CN112040040A CN 112040040 A CN112040040 A CN 112040040A CN 202011051492 A CN202011051492 A CN 202011051492A CN 112040040 A CN112040040 A CN 112040040A
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- CN
- China
- Prior art keywords
- layer
- substrate
- cover plate
- matte
- back cover
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/0279—Improving the user comfort or ergonomics
- H04M1/0283—Improving the user comfort or ergonomics for providing a decorative aspect, e.g. customization of casings, exchangeable faceplate
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Laminated Bodies (AREA)
Abstract
The application relates to the field of terminal equipment and discloses a rear cover plate for the terminal equipment and the terminal equipment. The rear cover plate comprises a substrate and an ink layer arranged on the inner side of the substrate; the ink layer comprises a bright light layer and a matte layer which are sequentially arranged, the bright light layer is close to the substrate, and the matte layer is far away from the substrate so as to reduce the problems of internal impression, delamination, degumming and the like caused by adhesion of hot melt adhesives.
Description
Technical Field
The application relates to the field of terminal equipment, in particular to a rear cover plate for the terminal equipment and the terminal equipment.
Background
When an existing terminal product such as a mobile phone is assembled, a mobile phone rear cover plate needs to be fixedly connected with a mobile phone middle frame. At present, when the rear cover plate of the mobile phone is fixed with the middle frame of the mobile phone, the rear cover plate of the mobile phone is generally fixed by adopting an adhesive mode. Two common adhesion methods are provided, one is foam back adhesive adhesion, and the other is hot melting point adhesive adhesion.
When the fixing is performed by a hot-melt adhesive, the following problems are caused: the problems of internal marking, delamination, degumming and the like can occur to the assembled mobile phone rear cover.
Disclosure of Invention
The application discloses a rear cover plate for terminal equipment and the terminal equipment, which are used for reducing the problems of internal impression, delamination, degumming and the like caused by hot melt point glue adhesion.
In order to achieve the purpose, the application provides the following technical scheme:
a rear cover plate for terminal equipment comprises a substrate and an ink layer arranged on the inner side of the substrate; the ink layer comprises a bright light layer and a matte layer which are sequentially arranged, the bright light layer is close to the substrate, and the matte layer is far away from the substrate.
Further, the matte layer comprises the following raw materials in percentage by weight: 65-70% of resin, 10-15% of silicon dioxide and 18-25% of diluent.
Further, the number of the matte layers is 1-2.
Further, the thickness of each matte layer is 8-10 microns.
Further, the number of the bright light layers is 2-4.
Further, the thickness of each bright light layer is 8-10 microns.
Furthermore, the rear cover plate comprises a shower coating layer arranged on the outer side of the substrate.
Further, the back shroud is still including locating the base plate with dazzle the light layer between the printing ink layer, dazzle the light layer and include first colour layer, second colour layer and locate first colour layer with tie coat between the second colour layer, wherein, first colour layer is close to the base plate sets up, second colour layer is close to the printing ink layer sets up.
Further, the rear cover plate also comprises a mark layer arranged between the substrate and the glare layer.
A terminal equipment, terminal equipment includes the back shroud of this application.
The terminal device includes, but is not limited to, a mobile phone, a tablet computer, and the like.
By adopting the technical scheme of the application, the beneficial effects are as follows:
the application provides a rear cover plate which is used in terminal equipment, such as mobile phones, tablet computers and the like. The rear cover plate comprises a substrate and an ink layer arranged on the inner side of the substrate. The ink layer comprises a bright light layer and a matte layer which are sequentially arranged, the bright light layer is close to the substrate, and the matte layer is far away from the substrate. When the rear cover plate and the mobile phone middle frame are fixedly connected in a hot-melt dispensing mode, the melted glue solution adheres to the surface of the matte layer, the compactness of the matte layer is high, the corrosion of the glue solution to the rear cover plate can be effectively prevented, and therefore the abnormal problems of internal marking, delamination, degumming and the like after the rear cover plate is packaged can be avoided.
Drawings
Fig. 1 is a schematic structural diagram of a rear cover plate according to an embodiment of the present application.
Reference numerals: 10-a substrate; 20-an ink layer; 201-a bright light layer; 202-a matte layer; 30-spraying a coating; 40-glare layer; 401-a first color layer; 402-a tie layer; 403-a second color layer; 50-sign layer.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that: in the present application, all embodiments and preferred methods mentioned herein can be combined with each other to form new solutions, if not specifically stated. In the present application, all the technical features mentioned herein as well as preferred features may be combined with each other to form new technical solutions, if not specifically stated. In the present application, percentages (%) or parts refer to percent by weight or parts by weight relative to the composition, unless otherwise specified. In the present application, the components referred to or the preferred components thereof may be combined with each other to form new embodiments, if not specifically stated. In this application, unless otherwise stated, the numerical range "a-b" represents a shorthand representation of any combination of real numbers between a and b, where a and b are both real numbers. For example, a numerical range of "6 to 22" means that all real numbers between "6 to 22" have been listed herein, and "6 to 22" is simply a shorthand representation of the combination of these values. The "ranges" disclosed herein may be in the form of lower limits and upper limits, and may be one or more lower limits and one or more upper limits, respectively. In the present application, the individual reactions or process steps may be performed sequentially or in sequence, unless otherwise indicated. Preferably, the reaction processes herein are carried out sequentially.
Unless otherwise defined, technical and scientific terms used herein have the same meaning as is familiar to those skilled in the art. In addition, any methods or materials similar or equivalent to those described herein can also be used in the present application.
In a first aspect, the present application provides a back cover plate for a terminal device, as shown in fig. 1, the back cover plate includes a substrate 10 and an ink layer 20 disposed inside the substrate; the ink layer 20 includes a bright light layer 201 and a matte layer 202, which are sequentially disposed, where the bright light layer 201 is disposed close to the substrate 10, and the matte layer 202 is disposed far from the substrate 10.
The terminal device includes, but is not limited to, a mobile phone, a tablet computer, and the like. The thickness of the substrate may be, for example, 0.6 to 0.7 mm.
The application provides a rear cover plate which is used in terminal equipment, such as mobile phones, tablet computers and the like. The back cover plate includes a substrate 10 and an ink layer 20 disposed inside the substrate 10. The ink layer 20 includes a bright layer 201 and a matte layer 202, which are sequentially disposed, the bright layer 201 is disposed close to the substrate 10, and the matte layer 202 is disposed far from the substrate 10. When the rear cover plate and the middle frame of the mobile phone are fixedly connected in a hot-melt dispensing mode, the melted glue solution adheres to the surface of the matte layer 202, the matte layer 202 is high in compactness and low in porosity, and the corrosion of the glue solution on the rear cover plate can be effectively prevented, so that the abnormal problems of internal marking, delamination, degumming and the like after the rear cover plate is packaged can be avoided.
In one embodiment of the present application, the matte layer 202 is 30-35% denser than conventional matte black layers. When the compactness of the matte layer 202 is limited in the range, the corrosion of the glue solution to the ink layer 20 can be effectively prevented, and the matte layer 202 with the density can further prevent the hot melt glue solution from permeating into the substrate 10 surface of the rear cover plate, so that the abnormal problems of internal impression, delamination, degumming and the like are further prevented.
In an embodiment of the present application, the raw materials of the matte layer 202 include, by weight: 65-70% of resin, 10-15% of silicon dioxide and 18-25% of diluent. The matte layer 202 prepared from the raw materials according to the proportion is high in compactness and strong in adhesive force, and can effectively prevent the penetration of hot melt adhesive liquid. The resin is a polyester resin, and the weight percentage of the resin in the raw material of the matte layer may be 65%, 66%, 67%, 68%, 69%, or 70%, for example. The weight percentage of silica in the raw material of the matte layer may be, for example, 10%, 11%, 12%, 13%, 14%, 15%, or the like. The diluent may be, for example, isophorone, and the weight percentage of the diluent in the raw material of the matte layer may be, for example, 18%, 19%, 20%, 21%, 22%, 23%, 24%, or 25%.
Referring to fig. 1, in one embodiment of the present application, the number of matte layers is 1-2 in order to prevent uneven thickness or color of the formed matte layer 202. The number of the matte layer 202 may be 1 or 2, for example. Wherein the thickness of each matte layer 202 is, for example, 8 to 10 micrometers. By the multi-layer arrangement, the thickness of the matte layer 202 may be made more uniform.
In one embodiment of the present application, the number of the light emitting layers 201 is 2-4. The thickness of each layer of the bright light layer 201 is 8-10 microns. The thickness of the bright layer 201 can be made more uniform by providing a plurality of layers in the bright layer 201.
With continued reference to FIG. 1, in one embodiment of the present application, the back cover plate includes a curtain coating 30 disposed on the outside of the substrate 10. The curtain coating 30 is disposed outside the substrate 10 as a protective layer, and can protect the surface of the substrate 10 from being scratched, worn, and the like. The thickness of the shower coating may be, for example, 4-12 microns. After assembly, the shower coating 30 is located on the outside of the phone and the ink layer 20 is located inside the phone.
With continued reference to fig. 1, in an embodiment of the present application, the back cover plate further includes a glare layer 40 disposed between the substrate 10 and the ink layer 20, the glare layer 40 includes a first color layer 401, a second color layer 403, and a bonding layer 402 disposed between the first color layer 401 and the second color layer 403, where the first color layer 401 is disposed near the substrate 10, and the second color layer 403 is disposed near the ink layer 20.
The first color layer 401 is an offset or printing color layer, and different colors can be set according to needs. Second color layer 403 is the plating layer, realizes the reflection of light, and second color layer 403 can realize dazzling the light effect with first color layer 401 mutually supporting to the realization is watched at different angles and has different colours occasionally. An adhesive layer 402, such as a UV transfer layer, is disposed between the first color layer 401 and the second color layer 403 to connect the first color layer 401 and the second color layer 403. In this embodiment, the thickness of the first color layer 401 may be, for example, 3 to 7 micrometers, the thickness of the second color layer 403 may be, for example, 50 to 100nm, and the thickness of the UV transfer layer may be, for example, 10 to 15 micrometers.
With continued reference to fig. 1, in one embodiment of the present application, the back cover plate further includes a Logo layer 50, i.e., a Logo layer, disposed between the substrate 10 and the glare layer 40, and the Logo layer 50 may have a thickness of 1-3 microns, for example.
It will be apparent to those skilled in the art that various changes and modifications may be made in the embodiments of the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (10)
1. The rear cover plate for the terminal equipment is characterized by comprising a substrate and an ink layer arranged on the inner side of the substrate; the ink layer comprises a bright light layer and a matte layer which are sequentially arranged, the bright light layer is close to the substrate, and the matte layer is far away from the substrate.
2. The back cover plate according to claim 1, wherein the matte layer comprises the following raw materials in percentage by weight: 65-70% of resin, 10-15% of silicon dioxide and 18-25% of diluent.
3. The back cover sheet according to claim 1 or 2, wherein the number of the matte layer is 1 to 2.
4. The back cover sheet of claim 3, wherein each of the matte layers has a thickness of 8-10 microns.
5. The rear cover plate according to claim 1 or 2, wherein the number of the light-emitting layers is 2 to 4.
6. The back cover sheet according to claim 5, wherein each of the gloss layers has a thickness of 8-10 microns.
7. The back cover plate according to claim 1 or 2, wherein the back cover plate comprises a shower coating provided on an outer side of the substrate.
8. The back cover plate according to claim 1 or 2, further comprising a glare layer disposed between the substrate and the ink layer, wherein the glare layer comprises a first color layer, a second color layer, and a bonding layer disposed between the first color layer and the second color layer, wherein the first color layer is disposed near the substrate, and the second color layer is disposed near the ink layer.
9. The back cover of claim 8, further comprising a logo layer disposed between the substrate and the glare layer.
10. A terminal device, characterized in that it comprises a back cover according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011051492.9A CN112040040A (en) | 2020-09-29 | 2020-09-29 | Rear cover plate for terminal equipment and terminal equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011051492.9A CN112040040A (en) | 2020-09-29 | 2020-09-29 | Rear cover plate for terminal equipment and terminal equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112040040A true CN112040040A (en) | 2020-12-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011051492.9A Pending CN112040040A (en) | 2020-09-29 | 2020-09-29 | Rear cover plate for terminal equipment and terminal equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112040040A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104754079A (en) * | 2013-12-30 | 2015-07-01 | 比亚迪精密制造有限公司 | Mobile phone shell and making method thereof |
| CN107148176A (en) * | 2017-05-03 | 2017-09-08 | 广东欧珀移动通信有限公司 | Mobile terminal, mobile terminal shell and preparation method thereof |
| CN208445623U (en) * | 2018-06-26 | 2019-01-29 | 东莞万德电子制品有限公司 | A kind of 3D composite board high-pressure molding shell |
| CN208445622U (en) * | 2018-06-20 | 2019-01-29 | 东莞万德电子制品有限公司 | A kind of low-cost environment-friendly shell |
| CN209201115U (en) * | 2018-09-28 | 2019-08-02 | 韶关比亚迪电子有限公司 | Substrate package |
| US20200015390A1 (en) * | 2018-07-03 | 2020-01-09 | Apple Inc. | Colored Coatings for Electronic Devices |
| CN110669377A (en) * | 2019-09-09 | 2020-01-10 | 广州视源电子科技股份有限公司 | Glass printing ink, preparation method and application |
-
2020
- 2020-09-29 CN CN202011051492.9A patent/CN112040040A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104754079A (en) * | 2013-12-30 | 2015-07-01 | 比亚迪精密制造有限公司 | Mobile phone shell and making method thereof |
| CN107148176A (en) * | 2017-05-03 | 2017-09-08 | 广东欧珀移动通信有限公司 | Mobile terminal, mobile terminal shell and preparation method thereof |
| CN208445622U (en) * | 2018-06-20 | 2019-01-29 | 东莞万德电子制品有限公司 | A kind of low-cost environment-friendly shell |
| CN208445623U (en) * | 2018-06-26 | 2019-01-29 | 东莞万德电子制品有限公司 | A kind of 3D composite board high-pressure molding shell |
| US20200015390A1 (en) * | 2018-07-03 | 2020-01-09 | Apple Inc. | Colored Coatings for Electronic Devices |
| CN209201115U (en) * | 2018-09-28 | 2019-08-02 | 韶关比亚迪电子有限公司 | Substrate package |
| CN110669377A (en) * | 2019-09-09 | 2020-01-10 | 广州视源电子科技股份有限公司 | Glass printing ink, preparation method and application |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: Building 1, No.399 Keyuan Road, China (Shanghai) pilot Free Trade Zone, Pudong New Area, Shanghai, 201210 Applicant after: Huaqin Technology Co.,Ltd. Address before: Building 1, No.399 Keyuan Road, China (Shanghai) pilot Free Trade Zone, Pudong New Area, Shanghai, 201210 Applicant before: Huaqin Technology Co.,Ltd. |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20201204 |