CN107608453B - Sheet material, method for preparing sheet material, shell and mobile terminal - Google Patents
Sheet material, method for preparing sheet material, shell and mobile terminal Download PDFInfo
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- CN107608453B CN107608453B CN201710774516.5A CN201710774516A CN107608453B CN 107608453 B CN107608453 B CN 107608453B CN 201710774516 A CN201710774516 A CN 201710774516A CN 107608453 B CN107608453 B CN 107608453B
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Abstract
The invention discloses a sheet material, a method for preparing the sheet material, a shell and a mobile terminal. According to an embodiment of the invention, the sheet material comprises: a substrate having a highlight surface and formed with at least one groove on a side having the highlight surface; an isolation layer covering at least a portion of a surface of the groove. From this, the isolation layer can closely cover the panel surface, and the panel is because the protection of isolation layer, and the flower is scraped to its highlight surface is difficult by the scratch, when guaranteeing high light effect outward appearance, and scratch resistance can improve.
Description
Technical Field
The invention relates to the field of plate surface processing, in particular to a plate, a method for preparing the plate, a shell and a mobile terminal.
Background
With the rapid development of electronic products, portable electronic devices such as mobile phones, tablet computers, and notebook computers have been widely used. With the trend of personalization, people have made higher demands on the appearance of portable electronic devices, particularly mobile terminals. Therefore, the board with a high gloss surface has a more beautiful texture, and is widely used as a housing in mobile terminals and various electronic devices.
However, there is still a need for improvements in the current panels and methods of making the panels.
Disclosure of Invention
The present application is based on the discovery and recognition by the inventors of the following facts and problems:
the inventor finds that the plate material used for the mobile terminal shell at present generally has the problem that the surface with the high light effect is easily scratched by scratching. The inventor of the invention finds through intensive research and a large number of experiments that the technology for realizing the full-gloss high-light effect on the surface of the plate used for the mobile terminal shell is infinite at present, but the high-light surface plate prepared under various technological conditions has the problem of scratch resistance, namely, the surface with the high-light effect is easily scratched by scratching, and the scratch resistance is poor. Therefore, the user's demand in scratch resistance cannot be satisfied. If a sheet material with a high gloss effect can be provided and applied to a mobile terminal housing, and the surface of the high gloss effect is not scratched, the above problems will be greatly alleviated.
The present invention is directed to solving, at least to some extent, one of the technical problems in the related art.
In one aspect of the invention, a panel is provided. According to an embodiment of the invention, the sheet material comprises: a substrate having a highlight surface and formed with at least one groove on a side having the highlight surface; an isolation layer covering at least a portion of a surface of the groove. From this, the isolation layer can closely cover the panel surface, and the panel is because the protection of isolation layer, and the flower is scraped to its highlight surface is difficult by the scratch, when guaranteeing high light effect outward appearance, and scratch resistance can improve.
In another aspect of the invention, a method of making a panel is provided. According to an embodiment of the invention, the method comprises: forming a high-gloss surface on the surface of one side of the substrate; arranging a groove on one side of the substrate with the high-light surface; and arranging an isolation layer on one side of the substrate with the groove, wherein the isolation layer covers at least part of the surface of the groove. Thus, the sheet material can be easily obtained. The isolation layer in the prepared plate closely covers the surface of the plate, the highlight surface of the plate is not easily scratched due to the protection of the isolation layer, and the scratch resistance of the plate is improved while the appearance of the high-light effect is ensured.
In yet another aspect of the present invention, a housing is presented. According to an embodiment of the invention, the housing comprises the aforementioned sheet material. Thus, the housing has all of the features and advantages of the previously described sheet material, which will not be described in detail herein. Generally speaking, the shell ensures the appearance of a high-light effect, and simultaneously improves the scratch resistance of the surface of the shell, so that the service performance and the appearance effect of the shell are further improved.
In yet another aspect of the present invention, a mobile terminal is presented. According to an embodiment of the invention, the mobile terminal comprises the housing as described above. The housing thus has all the features and advantages of the previously described housing, which are not described in detail herein. Generally speaking, the shell of the mobile terminal has the advantages that the scratch resistance of the shell of the mobile terminal is improved while the appearance of the high-light effect is ensured, and the use performance and the appearance effect of the mobile terminal are further improved.
Drawings
FIG. 1 shows a schematic structural view of a panel according to one embodiment of the present invention;
FIG. 2 shows a schematic structural view of a panel according to another embodiment of the invention;
FIG. 3 shows a schematic structural view of a panel according to a further embodiment of the invention;
FIG. 4 shows a schematic structural view of a panel according to a further embodiment of the invention;
FIG. 5 shows a flow diagram of a method of making a panel according to one embodiment of the invention;
FIG. 6 shows a flow diagram of a method of making a panel according to another embodiment of the invention; and
fig. 7 shows a schematic structural diagram of a mobile terminal according to an embodiment of the present invention.
Description of reference numerals:
100: a substrate; 10: a groove; 200: an isolation layer; 300: a decorative member; 400: a housing; 1000: a mobile terminal.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In one aspect of the invention, a panel is provided. According to an embodiment of the invention, with reference to fig. 1, the sheet material comprises: a substrate 100 and an isolation layer 200. According to an embodiment of the present invention, the substrate 100 has a high gloss surface (a-side as shown in fig. 1). According to an embodiment of the present invention, the substrate 100 is formed with at least one groove 10 on a side having a high gloss surface. According to an embodiment of the present invention, the isolation layer 200 covers at least a part of the surface of the recess 10. From this, isolation layer 200 can be through the effect of recess 10, and inseparable cover is on the surface of panel, and the panel is because isolation layer 200's protection, and the scratch resistance can improve when guaranteeing the high light effect outward appearance that its highlight surface is difficult to be scraped the flower by the scratch.
As mentioned above, the problem that the surface with high gloss effect is easily scratched by scratching is common in the current sheet materials for mobile terminal housings. The inventor unexpectedly discovers that through a brand new process preparation method, a groove is formed on the surface of a board with a highlight effect at first, and then an isolating layer is added to cover the groove and the highlight surface of the board, so that the isolating layer can tightly cover the highlight surface of the board and is not easy to fall off, and therefore, the surface of the board can have the highlight effect and is not scratched, and the problem that the highlight surface is easy to scratch is solved.
According to the embodiment of the present invention, the specific material for forming the isolation layer 200 is not particularly limited, and only satisfies the requirement of not affecting the high light effect of the surface of the substrate 100. According to an embodiment of the present invention, the isolation layer 200 may be formed of a transparent organic material. According to the embodiment of the present invention, the isolation layer 200 may be formed of transparent polyethylene terephthalate (PET), the transparent PET has a wide source, the highlight effect of the surface of the substrate 100 is not affected, and the mechanical properties of the isolation layer are good, so that the scratch resistance of the substrate 100 can be significantly improved, and the highlight surface of the plate is protected from being scratched.
According to an embodiment of the present invention, referring to fig. 2, the specific number of the grooves 10 is not particularly limited, for example, according to a specific embodiment of the present invention, the grooves 10 may be two. According to the embodiment of the present invention, the specific position of the groove 10 on the substrate 100 is not particularly limited, and it is sufficient that the groove 10 is formed such that the isolation layer 200 can closely cover the high-gloss surface of the substrate 100. For example, the groove 10 may be formed at an edge region of the substrate 100 according to an embodiment of the present invention. According to an embodiment of the present invention, the isolation layer 200 covers at least a portion of the surface of the groove, and a region of the highlight surface other than the groove 10. Therefore, the isolation layer 200 can protect the high-gloss surface of the plate from being scratched. Alternatively, according to other embodiments of the present invention, the isolation layer 200 may also cover the entire surface of the recess 10.
The inventor finds that, before the isolation layer 200 is formed, the groove 10 is formed on the highlight surface of the substrate 100, so that the groove 10 can increase the roughness of the surface of the substrate 100, increase the contact area between the isolation layer 200 and the surface of the substrate 100, enable the isolation layer and the substrate (highlight surface) to be tightly covered, and be not easy to fall off, and further improve the service performance of the plate. The grooves 10 are typically formed by etching a high gloss surface. Taking the substrate 100 formed by metal as an example, the surface of the groove 10 (including the bottom surface and the sidewall of the groove 10) is exposed by the etched surface of the metal, and the surface of the groove 10 has higher roughness compared with the high-light surface of the metal. Therefore, compared with the existing board with the isolation layer directly arranged on the highlight surface of the board, the board provided by the embodiment of the invention has the advantage that the isolation layer is more durable.
Also, as described above, the bottom surface and the side wall of the groove 10 are surfaces having no high light effect. Therefore, when the isolation layer 200 is formed of a transparent material, the appearance effect at the groove 10 is the appearance effect of the material constituting the substrate 100 exposed to the outside. Therefore, the groove 10 not only can improve the bonding between the isolation layer 200 and the substrate 100, but also can provide a more rich appearance effect for the plate.
According to the embodiment of the present invention, the thickness of the isolation layer 200 is not particularly limited, and only needs to protect the high-gloss surface of the substrate 100 from being scratched. According to an embodiment of the present invention, the thickness of the isolation layer 200 (H as shown in fig. 2) is 0.05-0.2 mm. Therefore, the service performance of the plate can be further improved. It should be noted that, the too large thickness of the isolation layer 200 increases the amount of the material for forming the isolation layer 200, which causes resource waste, and the too large thickness may affect the appearance effect of the high light effect surface of the substrate 100; the thickness of the spacer layer 200 is too small, which may not sufficiently protect the high light effect surface of the substrate 100 and may have poor scratch resistance.
According to an embodiment of the present invention, referring to fig. 3, the panel further comprises: and a decorative member 300. According to an embodiment of the present invention, the decoration 300 is disposed in the recess 10. According to an embodiment of the present invention, the bottom area of the garnish 300 (D1 shown in fig. 3) is smaller than the bottom area of the recess 10 (D2 shown in fig. 3). Therefore, the service performance and the appearance effect of the plate can be further improved. According to an embodiment of the present invention, the specific material forming the decoration 300 is not particularly limited. For example, according to an embodiment of the present invention, the decoration 300 may be at least one of a nickel plate and stainless steel, or the decoration 300 may be formed of plastic. The specific shape of the decoration 300 according to the embodiment of the present invention is not particularly limited, and may be selected by those skilled in the art according to actual needs. For example, according to an embodiment of the present invention, the decoration 300 may be a specific pattern, such as a trademark pattern, formed on the substrate 100 in order to further enhance the appearance effect of the panel.
According to the embodiment of the present invention, the deco 300 covers a portion of the surface of the groove 10, and the isolation layer 200 covers a portion of the groove 10 not covered by the deco 300. Therefore, the service performance and the appearance effect of the plate can be further improved. As mentioned above, the sidewalls and the bottom of the recess are the surfaces of the substrate 100 material exposed after etching, and have a high roughness. The isolation layer 200 covers the exposed portion of the recess 10, which is advantageous for increasing the bonding between the isolation layer 200 and the substrate 100. According to the embodiment of the present invention, the isolation layer 200 may also cover the surface of the decoration 300 on the side away from the groove 10, and the surface of the groove 10 exposed to the outside, that is, the surface of the decoration 300 on the side away from the groove 10 is completely covered by the isolation layer 200. Therefore, the service performance and the appearance effect of the plate can be further improved. According to an embodiment of the present invention, referring to fig. 4, the surface of the decoration 300 on the side away from the recess 10 may also be uncovered by the isolation layer 200, i.e., the surface of the decoration 300 on the side away from the recess 10 is exposed on the outer surface. As described above, the decoration 300 may directly cover a partial surface of the groove 10, or, according to an embodiment of the present invention, the surface of the groove 10 is first completely covered by the insulation layer 200, and the decoration 300 may cover the insulation layer 200 in an area where the groove 10 is located.
The specific material forming the substrate 100 is not particularly limited and may be selected by those skilled in the art according to actual needs, according to embodiments of the present invention. For example, according to an embodiment of the present invention, the substrate 100 is formed of at least one of metal and plastic. Therefore, the arrangement of the isolation layer 200 and the decoration 300 can be applied to the substrates 100 of different materials, and the applicability is wider. According to the embodiment of the present invention, the specific manner of forming the high-gloss surface on the substrate 100 is not particularly limited, and it is only necessary that the formed surface has a high-gloss effect. According to the embodiment of the invention, the plastic substrate surface is sprayed to form the highlight effect, the stainless steel substrate surface is polished to form the highlight effect, and the aluminum alloy substrate surface is oxidized and then polished to form the highlight effect.
In another aspect of the invention, a method of making a panel is provided. According to an embodiment of the invention, referring to fig. 4, the method comprises:
s100: forming a high gloss surface
According to an embodiment of the present invention, in this step, a high gloss surface is formed on the surface on the substrate side. The specific material forming the substrate according to the embodiment of the present invention is not particularly limited, and may be selected by those skilled in the art according to actual needs. For example, according to an embodiment of the present invention, the substrate is formed of at least one of metal and plastic. According to the embodiment of the present invention, the specific manner of forming the high-gloss surface on the substrate is not particularly limited, and only the high-gloss effect of the formed surface is satisfied. According to the embodiment of the invention, the plastic substrate surface is sprayed to form the highlight effect, the stainless steel substrate surface is polished to form the highlight effect, and the aluminum alloy substrate surface is oxidized and then polished to form the highlight effect.
S200: is provided with a groove
According to an embodiment of the invention, in this step a recess is provided in the side of the substrate having the high gloss surface. According to the embodiment of the present invention, the specific manner of providing the groove is not particularly limited, and only the formation of the groove is satisfied. For example, according to the embodiment of the present invention, the groove may be formed on the substrate having the high-gloss surface by cutting using a numerical control machine. The specific number and position of the grooves formed according to the embodiment of the present invention have been described in detail above, and are not described herein again.
S300: providing an isolation layer
According to an embodiment of the invention, in this step, an isolation layer is provided on a side of the substrate having the recess, the isolation layer covering at least a part of a surface of the recess. Thus, the sheet material can be easily obtained. The isolation layer in the prepared plate closely covers the surface of the plate, the highlight surface of the plate is not easily scratched due to the protection of the isolation layer, and the scratch resistance of the plate is improved while the appearance of the high-light effect is ensured.
According to the embodiment of the present invention, the specific material for forming the isolation layer is not particularly limited, and only needs to satisfy the requirement of not affecting the high light effect of the substrate surface. According to an embodiment of the present invention, the isolation layer may be formed of a transparent organic material. According to the specific embodiment of the invention, the isolation layer can be formed by transparent polyethylene terephthalate (PET), the transparent PET has wide sources, the highlight effect of the surface of the substrate is not influenced, the mechanical property is good, the scratch resistance of the substrate can be obviously improved, and the highlight surface of the plate is protected from being scratched and scratched. The specific location and thickness of the isolation layer according to the embodiment of the present invention have been described in detail above, and are not described herein again.
In order to further improve the performance of the plate according to the embodiment of the present invention, referring to fig. 5, the method further includes:
s10: setting up decorations
According to the embodiment of the invention, after the groove is arranged and before the isolation layer is arranged, the decorative piece is arranged in the groove in advance, and the decorative piece covers part of the bottom surface of the groove. Therefore, the service performance and the appearance effect of the plate can be further improved. According to the embodiment of the present invention, the specific material forming the garnish is not particularly limited as long as the garnish can be formed. For example, according to an embodiment of the present invention, the decoration member may be at least one of a nickel plate and stainless steel. The specific shape of the decoration according to the embodiment of the present invention is not particularly limited, and those skilled in the art can select it according to actual needs. For example, according to an embodiment of the present invention, the decoration may be a specific pattern, such as a trademark pattern, formed on the substrate so as to further enhance the appearance effect of the panel. The specific arrangement position and arrangement area of the decoration according to the embodiment of the present invention have been described in detail above, and are not described herein again.
According to the embodiment of the invention, the sequence of arranging the isolation layer and arranging the decoration part is not particularly limited, and a person skilled in the art can select the isolation layer and the decoration part according to actual needs. For example, according to embodiments of the present invention, the decoration may be disposed first and then the insulation layer, or the insulation layer may be disposed first and then the decoration may be disposed, as described above. Wherein, set up the isolation layer earlier and set up the decoration again and can be realized through following step: firstly, a transparent layer is arranged on one side of a substrate with a groove, the transparent layer in a preset area in the groove is etched to form an isolation layer, and then a decoration piece is arranged in the preset area. Therefore, the isolation layer formed by the transparent layer can improve the scratch resistance of the surface of the plate while not influencing the highlight effect, and further improve the service performance and the appearance effect of the plate.
In yet another aspect of the present invention, a housing is presented. According to an embodiment of the invention, the housing comprises the aforementioned sheet material. Thus, the housing has all of the features and advantages of the previously described sheet material, which will not be described in detail herein. Generally speaking, the shell ensures the appearance of a high-light effect, and simultaneously improves the scratch resistance of the surface of the shell, so that the service performance and the appearance effect of the shell are further improved.
In yet another aspect of the present invention, referring to fig. 6, the present invention is directed to a mobile terminal 1000. The mobile terminal 1000 includes the housing 400 as previously described herein according to an embodiment of the present invention. Thus, the housing 400 has all of the features and advantages of the previously described housing, which will not be described in detail herein. In general, the casing 400 of the mobile terminal 1000 has improved scratch resistance while ensuring a high light effect appearance, and further improves the usability and appearance effect of the mobile terminal.
The embodiments of the present invention have been described in detail above, but the present invention is not limited to the specific details in the above embodiments, and various simple modifications can be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are included in the isolation scope of the present invention. It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "back", "top", "bottom", "inner", "outer", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, are used for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being 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. For example, in the present invention, the "upper surface" of the stainless steel plate and the structures such as the stainless steel substrate, the aluminum layer, the anodized layer, etc. refer to the side of the plate or the structure facing the external environment and away from the inside of the electronic device in practical applications.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (11)
1. A panel, comprising:
the substrate is provided with a highlight surface, at least one groove is formed on one side of the substrate with the highlight surface, the groove does not penetrate through the substrate and is provided with a bottom surface and a side wall, and the bottom surface and the side wall are etched surfaces;
an isolation layer formed of a transparent material; the isolation layer covers the area of the highlight surface except the groove, and part of the isolation layer is accommodated in the groove to cover at least part of the surface of the groove; and
the decoration piece is arranged in the groove; wherein, the isolation layer fills the part which is not provided with the decoration in the groove.
2. A panel according to claim 1, wherein the barrier layer is formed from a transparent organic material.
3. A panel according to claim 1, wherein the barrier layer has a thickness of from 0.05 to 0.2 mm.
4. The panel of claim 1, further comprising:
the bottom area of the decoration is smaller than that of the groove.
5. A panel as claimed in claim 4, wherein said insulation layer covers the surface of said recess not covered by said decorative element, and said decorative element.
6. A panel according to claim 1, said substrate being formed of at least one of metal and plastic.
7. A method of making a panel, comprising:
forming a high-gloss surface on the surface of one side of the substrate;
arranging a groove on one side of the substrate with the high-light surface, wherein the groove does not penetrate through the substrate and is provided with a bottom surface and a side wall, and processing the bottom surface and the side wall by adopting an etching process to enable the bottom surface and the side wall to be etched surfaces;
arranging a decorative piece in the groove; and
and forming an isolation layer on one side of the substrate with the groove by adopting a transparent material, wherein the isolation layer covers the region of the highlight surface except the groove, part of the isolation layer is accommodated in the groove to cover at least part of the surface of the groove, and the isolation layer fills the part, which is not provided with the decoration, in the groove.
8. The method of claim 7, wherein after disposing the recess and before disposing a trim piece in the recess, the method further comprises:
arranging a transparent layer on one side of the substrate with the groove; and
etching the transparent layer in a predetermined region in the groove to form the isolation layer;
and arranging a decorative piece in the preset area.
9. A housing comprising a sheet material according to any one of claims 1 to 6.
10. A housing, characterized in that it comprises a sheet produced by the method according to any one of claims 7-8.
11. A mobile terminal characterized by comprising a housing according to claim 9 or 10.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710774516.5A CN107608453B (en) | 2017-08-31 | 2017-08-31 | Sheet material, method for preparing sheet material, shell and mobile terminal |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710774516.5A CN107608453B (en) | 2017-08-31 | 2017-08-31 | Sheet material, method for preparing sheet material, shell and mobile terminal |
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| CN107608453A CN107608453A (en) | 2018-01-19 |
| CN107608453B true CN107608453B (en) | 2020-04-21 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN209233878U (en) | 2018-12-14 | 2019-08-09 | Oppo广东移动通信有限公司 | Shell component and mobile terminal |
| CN209233879U (en) * | 2018-12-14 | 2019-08-09 | Oppo广东移动通信有限公司 | Shell component and mobile terminal |
| CN209233900U (en) | 2018-12-14 | 2019-08-09 | Oppo广东移动通信有限公司 | Shell component and mobile terminal |
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| CN102069672A (en) * | 2009-11-20 | 2011-05-25 | 深圳富泰宏精密工业有限公司 | Decorative shell and preparation method thereof |
| CN102958311A (en) * | 2011-08-25 | 2013-03-06 | 深圳富泰宏精密工业有限公司 | Decorative shell and manufacturing method thereof |
| CN102950952A (en) * | 2011-08-25 | 2013-03-06 | 深圳富泰宏精密工业有限公司 | Decorative housing and manufacturing method thereof |
| CN203661459U (en) * | 2013-12-31 | 2014-06-18 | 深圳天珑无线科技有限公司 | Casing assembly, handset and mobile terminal |
| CN203691789U (en) * | 2014-01-26 | 2014-07-02 | 上海奂亿科技有限公司 | Novel electronic device housing |
| CN104735941A (en) * | 2013-12-20 | 2015-06-24 | 比亚迪股份有限公司 | Communication equipment metal shell and manufacturing method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US20170079392A1 (en) * | 2015-09-23 | 2017-03-23 | Chia-Hao Lin | Protective Case for Portable Electronic Device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102069672A (en) * | 2009-11-20 | 2011-05-25 | 深圳富泰宏精密工业有限公司 | Decorative shell and preparation method thereof |
| CN102958311A (en) * | 2011-08-25 | 2013-03-06 | 深圳富泰宏精密工业有限公司 | Decorative shell and manufacturing method thereof |
| CN102950952A (en) * | 2011-08-25 | 2013-03-06 | 深圳富泰宏精密工业有限公司 | Decorative housing and manufacturing method thereof |
| CN104735941A (en) * | 2013-12-20 | 2015-06-24 | 比亚迪股份有限公司 | Communication equipment metal shell and manufacturing method thereof |
| CN203661459U (en) * | 2013-12-31 | 2014-06-18 | 深圳天珑无线科技有限公司 | Casing assembly, handset and mobile terminal |
| CN203691789U (en) * | 2014-01-26 | 2014-07-02 | 上海奂亿科技有限公司 | Novel electronic device housing |
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Address after: 523860 No. 18, Wu Sha Beach Road, Changan Town, Dongguan, Guangdong Applicant after: OPPO Guangdong Mobile Communications Co., Ltd. Address before: 523860 No. 18, Wu Sha Beach Road, Changan Town, Dongguan, Guangdong Applicant before: Guangdong OPPO Mobile Communications Co., Ltd. |
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