CN107613684A - Shell, shell processing method and electronic device - Google Patents

Abstract

The invention discloses a shell, a shell processing method and electronic equipment, wherein the shell processing method comprises the following steps: forming a spacing seam for separating the metal substrate on the metal substrate; forming an insulating layer in the spacing gap; and coating the outer surface of the insulating layer to form a coating layer, wherein the coating layer is configured to enable the outer surface of the insulating layer to present a metal luster. According to the processing method of the shell, the coating treatment is carried out on the outer surface of the insulating layer, so that the outer surface of the insulating layer has metal luster, the appearance of the outer surface of the spacing seam is generally consistent with the appearance of the other surfaces of the shell except the spacing seam, the overall appearance of the shell is improved, the aesthetic feeling of the shell is improved, a new differential effect is brought to the shell, homogenization is avoided, the process is simple, and the processing is convenient.

Description

Shell, shell processing method and electronic device

technical field

The invention relates to the technical field of electronic equipment, in particular to a housing, a processing method for the housing and electronic equipment.

Background technique

In the related art, housings have been widely used in electronic equipment (such as mobile terminals). Due to the influence of shells such as metal shells on the performance of mobile terminal antennas, it is necessary to use non-conductive materials to disconnect the shells to meet antenna performance requirements. At present, the method generally adopted by major manufacturers is to use a CNC machine tool and select a matching tool to process gaps, and inject plastic into the gaps for antenna signals to be sent out. However, after the plastic is filled in the gap, the surface treatment is usually not performed, the appearance is single, and the homogeneity is serious.

Contents of the invention

For this reason, the present invention proposes a processing method for the shell, which makes the surface of the insulating layer have a metallic luster by performing surface treatment on the insulating layer in the gap.

The processing method of the shell of the embodiment of the first aspect of the present invention includes the following steps:

forming gaps separating the metal base on the metal base;

forming an insulating layer within the gap;

A film is coated on the outer surface of the insulating layer to form a coating layer, and the coating layer is configured to make the outer surface of the insulating layer appear metallic luster.

According to the processing method of the housing in the embodiment of the present invention, coating treatment is performed on the outer surface of the insulating layer, so that the outer surface of the insulating layer has a metallic luster, which improves the overall appearance of the housing and enhances the aesthetic feeling of the housing. The housing brings a new differentiated effect, avoids homogeneity, and has a simple process and convenient processing.

The casing according to the embodiment of the second aspect of the present invention is processed by the processing method of the casing according to the above-mentioned embodiment of the first aspect of the present invention.

According to the casing of the embodiment of the second aspect of the present invention, the overall appearance of the casing is improved, the aesthetic feeling of the casing is improved, a new differentiated effect is brought to the casing, homogeneity is avoided, and the process is simple and easy to process. convenient.

According to the casing according to the third embodiment of the present invention, the casing is provided with a separation seam, the separation seam partitions the casing, and a filling layer is provided in the separation seam, and the filling layer includes an insulating layer and a coating layer, the coating layer is provided on the outer surface of the insulating layer, and the coating layer is configured to make the outer surface of the insulating layer appear metallic luster.

According to the casing of the embodiment of the third aspect of the present invention, vacuum coating is carried out on the insulating layer of the gap, so that the gap of the casing for the antenna to emit has a metallic luster, which improves the overall appearance of the casing and enhances the appearance of the casing. The aesthetic feeling brings a new differentiated effect to the shell, avoids homogeneity, and the process is simple and easy to process.

The electronic device according to the embodiment of the fourth aspect of the present invention includes the casing of the embodiment of the second aspect or the third aspect.

According to the electronic device in the fourth aspect of the present invention, the appearance of the electronic device is improved by providing the casing of the above-mentioned second aspect embodiment or the above-mentioned third aspect embodiment.

Additional aspects and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Description of drawings

The above and/or additional aspects and advantages of the present invention will become apparent and comprehensible from the description of the embodiments in conjunction with the following drawings, wherein:

FIG. 1 is a schematic diagram of a processing flow of a processing method for a housing according to an embodiment of the present invention;

Fig. 2 is a schematic diagram of the back structure of the housing according to an embodiment of the present invention;

3 is a partial sectional view of a housing according to a first embodiment of the present invention;

Figure 4 is a partial sectional view of a housing according to a second embodiment of the present invention;

Fig. 5 is a partial sectional view of a housing according to a third embodiment of the present invention.

Reference signs:

housing 10,

Antenna area 1, Metal area 2, Spacer slot 3,

An insulating layer 41, a coating layer 42, a luminescent material layer 43, and a transparent protective layer 44.

Detailed ways

Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " The orientation or positional relationship indicated by "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner" and "outer" are based on the orientation or position shown in the drawings The positional relationship is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. In addition, the features defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present invention, unless otherwise specified, "plurality" means two or more.

In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it can be mechanically connected or electrically connected; it can be directly connected or indirectly connected through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations.

The processing method of the casing 10 according to the embodiment of the present invention will be described below with reference to FIGS. 1-5 . Wherein, the housing 10 can be used in electronic equipment. For example, the casing 10 can be used on a mobile terminal (such as a mobile phone, a tablet computer, etc.).

As shown in FIG. 1, the processing method of the casing 10 according to the embodiment of the first aspect of the present invention includes the following steps:

Forming gaps separating the metal substrate on the metal substrate;

forming an insulating layer 41 in the gap 3;

A film is coated on the outer surface of the insulating layer 41 to form a coating layer 42 , and the coating layer 42 is configured to make the outer surface of the insulating layer 41 appear metallic luster.

Wherein, the metal base may be the formed casing 10 , or a metal plate used for processing the casing 10 . For example, the gap 3 can be processed on the shell 10 to separate the shell 10 into the antenna zone 1 and the metal zone 2, or the gap 3 can be processed on the metal plate of the shell 10 to separate the metal plate into the antenna zone 1 and metal zone 2. Wherein, there may be one or more gaps 3 . For example, in the example shown in FIG. 2 , the spacing slit 3 extends along the width direction of the housing 10 , and there are two spacing slits 3 , and the two spacing slits 3 are respectively disposed adjacent to the upper end and the lower end of the housing 10 . It can be understood that the specific shape and position of the gap 3 can be adjusted and designed according to the specific specifications and models of the casing 10 and the electronic device.

Wherein, the width of the interval seam 3 is W and the height is H, the width W of the interval seam 3 can satisfy: W≥0.3mm, and the depth of the interval seam 3 can satisfy: H≥0.5mm. Its specific value can be adjusted and designed according to the specifications and models of the casing 10 . For example, the width W of the interval slit 3 may further satisfy: W=0.3mm, W=0.35mm, W=0.5mm, etc. The depth H of the interval slit 3 can further satisfy: H=0.5mm, H=0.55mm, H=0.6mm, etc.

Optionally, the insulating layer 41 may be a plastic layer or the like, but is not limited thereto. In the process of processing, the insulating layer 41 can be formed by injection molding in the plastic mold at the gap 3. After the insulating layer 41 is formed, a film can be coated on the outer surface of the insulating layer 41 to form a coating layer 42, so that the outer surface of the insulating layer 41 appears. Metallic luster. Thus, by coating the outer surface of the insulating layer 41, the gap 3 of the housing 10 for antenna emission presents the effect of metallic luster, so that the appearance of the outer surface of the gap 3 is different from that of the housing 10. The appearance of other surfaces other than the slit 3 is substantially the same, so that the overall appearance of the housing 10 can be improved, and the aesthetic feeling of the housing 10 can be improved.

For example, in the process of processing, a numerical control machine tool can be used and a matching tool (for example, a hard alloy tool) can be used to process and form the gap 3 on the shell 10 or the metal plate, and then the plastic mold is injected into the gap 3 to An insulating layer 41 is formed, and then coating treatment is performed on the outer surface of the insulating layer 41 to form a coating layer 42 on the outer surface of the insulating layer 41 .

Here, it should be noted that when the casing 10 is used in an electronic device, the side of the casing 10 away from the center of the electronic device should be understood as the direction "outside" in this application.

According to the processing method of the housing 10 in the embodiment of the present invention, coating treatment is performed on the outer surface of the insulating layer 41, so that the outer surface of the insulating layer 41 has a metallic luster, so that the appearance of the outer surface of the gap 3 is similar to that of the housing 10. The appearance of other surfaces except for the gap 3 is substantially the same, which improves the overall appearance of the housing 10, enhances the aesthetic feeling of the housing 10, brings new differentiated effects to the housing 10, and avoids homogeneity. Moreover, the process is simple and the processing is convenient.

According to some embodiments of the present invention, after coating the outer surface of the insulating layer, the following steps are further included: forming a luminescent material layer 43 in the gap 3 , and the luminescent material layer 43 is located outside the coating layer 42 .

Specifically, the luminescent material layer 43 can be filled in the gaps 3 that have been coated with the coating layer 42 . Optionally, the luminescent material layer 43 may be a fluorescent layer. For example, the luminescent material layer 43 may be a strontium aluminate material layer. Therefore, in a space with better light, the metallic luster formed by the coating layer 42 can be reflected by the luminescent material layer 43, and the metallic texture at the gap 3 can be strengthened, thereby further improving the appearance of the housing 10; In the space, the luminescent material layer 43 that absorbs visible light can emit light (for example, can emit fluorescence), which is convenient for the user to locate the electronic device using the casing 10 in a dark space, and saves the time for the user to find the electronic device.

Specifically, the luminescent material layer 43 can be filled into the gaps 3 by screen printing. For example, a film screen with a corresponding shape and size can be made for the gap 3, the mesh number of which is more than 350 mesh, and printed twice, so that the luminescent material layer 43 can be filled into the gap 3 by screen printing. The process is simple and the processing is convenient.

According to a further embodiment of the present invention, the following steps may be included after coating the outer surface of the insulating layer: forming a transparent protective layer 44 inside the gap 3 , and the transparent protective layer 44 is located outside the coating layer 42 . Specifically, filling of the transparent protective layer 44 may be performed at the gap 3 . For example, in some embodiments of the present invention, referring to FIG. 4 , no luminescent material layer 43 is provided in the gap 3 , and the transparent protective layer 44 can be filled at the gap 3 coated with the coating layer 42 at this time. As another example, in other embodiments of the present invention, referring to FIG. 5, a luminescent material layer 43 is provided in the gap 3, and at this time, the transparent protective layer 44 can be filled at the gap 3 where the luminescent material layer 43 is formed. . Optionally, the transparent protective layer 44 is an ultraviolet curable resin layer. Thus, the partition seam 3 can be protected by the transparent protective layer 44, and the wear resistance of the partition seam 3 can be improved. At the same time, the metallic luster produced by the coating layer 42 can be reflected by the transparent protective layer 44, further increasing the aesthetic feeling of the housing 10. , improving the appearance of the casing 10 .

Specifically, the transparent protective layer 44 can be filled into the gaps 3 by screen printing. For example, a film screen of the corresponding shape and size can be made for the gap 3, the mesh number of the screen is more than 350 mesh, and the printing is done twice, so that the UV-curable resin can be filled into the gap by screen printing, and then the UV light For curing, the curing energy is 800-1000 millijoules per square centimeter. The process is simple and the processing is convenient.

According to some specific embodiments of the present invention, the steps of coating the outer surface of the insulating layer 41 are as follows:

Cover the area other than the interval seam 3 of the metal substrate, and expose the interval seam 3;

Coating is performed on the insulating layer 41 inside the gap 3 .

Specifically, during the processing, a jig can be used to cover the area other than the gap 3 on the outer surface of the metal substrate (such as the formed shell 10 or the metal sheet used for processing the shell 10), so that the gap 3 is exposed, Then vacuum evaporation coating is performed on the gap 3 . Optionally, the coating layer 42 is a pure indium layer. The inventors have found through a large number of experimental studies that after coating the outer surface of the insulating layer 41 with a pure indium layer, the gap 3 can appear metallic luster, and the influence of the coating layer 42 on the performance of the antenna can be reduced.

Wherein, the thickness of the coating layer 42 is t, and t satisfies: 2 μm≦t≦4 μm. Its specific numerical value can be adjusted and designed according to the specifications and models of the housing 10 , which is not specifically limited in the present invention. For example, the thickness t of the coating layer 42 may further satisfy: t=2 μm, t=3 μm, t=4 μm and so on.

Further, after coating the insulating layer 41 in the gap 3, the following steps are further included: removing the overflow coating on the edge of the gap 3 . Specifically, after the coating process is performed on the outer surface of the insulating layer 41 in the gap 3, the edge plating overflow part between the shielded area and the insulating layer 41 that has been plated with pure indium can be removed by laser engraving. Thus, the aesthetics of the casing 10 can be further improved.

Other configurations of the housing 10 according to the embodiment of the present invention are known to those skilled in the art and will not be described in detail here.

According to the processing method of the housing 10 in the embodiment of the present invention, the vacuum coating and strontium aluminate luminescent material filling in the area where the insulating layer 41 is set in the gap 3 is combined to make the gap 3 of the housing 10 for antenna emission A brand-new luminous surface effect with metallic luster is obtained, which improves the overall appearance of the housing 10, enhances the aesthetic feeling of the housing 10, brings new differentiated effects to the housing 10, avoids homogeneity, and The process is simple and the processing is convenient.

The casing 10 according to the embodiment of the second aspect of the present invention is processed by the processing method of the casing 10 according to the above-mentioned embodiment of the first aspect of the present invention.

According to the housing 10 of the embodiment of the second aspect of the present invention, coating treatment is performed on the outer surface of the insulating layer 41, so that the outer surface of the insulating layer 41 has a metallic luster, so that the appearance of the outer surface of the gap 3 is similar to that of the housing 10. The appearance of other surfaces except for the gap 3 is substantially the same, which improves the overall appearance of the housing 10, enhances the aesthetic feeling of the housing 10, brings new differentiated effects to the housing 10, and avoids homogeneity. Moreover, the process is simple and the processing is convenient.

According to the casing 10 according to the third embodiment of the present invention, the casing 10 is provided with a separation slit 3 , and the separation slit 3 partitions the casing 10 . Wherein, the housing 10 is a metal housing, and the gap 3 on the housing 10 can divide the housing 10 into an antenna area 1 and a metal area 2 . A filling layer is provided in the gap 3, and the filling layer includes an insulating layer 41 and a coating layer 42, the coating layer 42 is disposed on the outer surface of the insulating layer 41, and the coating layer 42 is configured to make the outer surface of the insulating layer 41 appear metallic luster.

Specifically, referring to Fig. 2-Fig. 4, there may be one or more spacing slits 3 . For example, in the example shown in FIG. 2 , the spacing slit 3 extends along the width direction of the housing 10 , and there are two spacing slits 3 , and the two spacing slits 3 are respectively disposed adjacent to the upper end and the lower end of the housing 10 .

Wherein, the width of the interval seam 3 is W and the height is H, the width W of the interval seam 3 can satisfy: W≥0.3mm, and the depth of the interval seam 3 can satisfy: H≥0.5mm. Its specific value can be adjusted and designed according to the specifications and models of the casing 10 . For example, the width W of the interval slit 3 may further satisfy: W=0.3mm, W=0.35mm, W=0.5mm, etc. The depth H of the interval slit 3 can further satisfy: H=0.5mm, H=0.55mm, H=0.6mm, etc.

Optionally, the insulating layer 41 may be a plastic layer or the like, but is not limited thereto. The plated film layer 42 is formed on the outer surface of the insulating layer 41 . Thus, by coating the outer surface of the insulating layer 41, the gap 3 of the casing 10 for antenna emission has a metallic luster effect, thereby improving the overall appearance of the casing 10 and improving the appearance of the casing 10. beauty.

According to the casing 10 of the embodiment of the third aspect of the present invention, by providing a coating layer 42 on the outer surface of the insulating layer 41, the gap 3 of the casing 10 for antenna emission presents a metallic luster effect, thereby improving the casing. The overall appearance of the body 10 improves the aesthetic feeling of the casing 10 .

According to some embodiments of the present invention, referring to FIG. 4 , the filling layer further includes a luminescent material layer 43 , and the luminescent material layer 43 is disposed outside the coating layer 42 . Specifically, the luminescent material layer 43 can be filled in the gaps 3 that have been coated with the coating layer 42 . Optionally, the luminescent material layer 43 may be a strontium aluminate material layer. Therefore, in a space with better light, the metallic luster formed by the coating layer 42 can be reflected by the luminescent material layer 43, and the metallic texture at the gap 3 can be strengthened, thereby further improving the appearance of the housing 10; In the space, the luminescent material layer 43 that absorbs visible light can emit fluorescence, which is convenient for the user to determine the position of the electronic device using the housing 10 in a dark space, and saves the time for the user to find the electronic device.

According to some further embodiments of the present invention, the filling layer further includes a transparent protective layer 44 , and the transparent protective layer 44 is disposed outside the coating layer 42 . For example, in some embodiments of the present invention, referring to FIG. 4 , no luminescent material layer 43 is provided in the gap 3 , and the transparent protective layer 44 can be filled at the gap 3 coated with the coating layer 42 at this time. As another example, in other embodiments of the present invention, referring to FIG. 5 , a luminescent material layer 43 is provided in the gap 3 , and the transparent protective layer 44 can be filled at the gap 3 where the luminescent material layer 43 is provided. . Optionally, the transparent protective layer 44 is an ultraviolet curable resin layer. Thus, the partition seam 3 can be protected by the transparent protective layer 44, and the wear resistance of the partition seam 3 can be improved. At the same time, the metallic luster produced by the coating layer 42 can be reflected by the transparent protective layer 44, further increasing the aesthetic feeling of the housing 10. , improving the appearance of the casing 10 .

Optionally, the coating layer 42 is a pure indium layer. The inventors have found through a large number of experimental studies that after coating the outer surface of the insulating layer 41 with a pure indium layer, metallic luster can be produced at the gap 3 and the influence of the coating layer 42 on the performance of the antenna can be reduced.

Wherein, the thickness of the coating layer 42 is t, and t satisfies: 2 μm≦t≦4 μm. Its specific numerical value can be adjusted and designed according to the specifications and models of the housing 10 , which is not specifically limited in the present invention. For example, the thickness t of the coating layer 42 may further satisfy: t=2 μm, t=3 μm, t=4 μm and so on.

According to the casing 10 of the embodiment of the third aspect of the present invention, vacuum coating is carried out on the insulating layer 41 of the gap 3, and the luminescent material layer 43 is filled outside the vacuum coating, so that the gap 3 of the casing 10 for antenna emission The new surface effect with metallic luster and glowing in the dark makes the appearance of the outer surface of the gap 3 substantially consistent with the appearance of other surfaces of the housing 10 except for the gap 3, improving the overall appearance of the housing 10, The aesthetic feeling of the casing 10 is improved, a new differentiated effect is brought to the casing 10, homogeneity is avoided, and the process is simple and the processing is convenient.

The electronic device according to the embodiment of the fourth aspect of the present invention includes the casing 10 of the embodiment of the second aspect or the embodiment of the third aspect. The electronic device may be a mobile terminal, such as a mobile phone, a tablet computer, and the like.

According to the electronic device of the fourth embodiment of the present invention, the appearance of the electronic device is improved by providing the housing 10 of the above-mentioned second embodiment or the above-mentioned third embodiment.

In the description of this specification, references to the terms "one embodiment," "some embodiments," "exemplary embodiments," "example," "specific examples," or "some examples" are intended to mean that the implementation A specific feature, structure, material, or characteristic described by an embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications, substitutions and modifications can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the invention is defined by the claims and their equivalents.

Claims (24)

1. A processing method for a housing, comprising the following steps: forming gaps separating the metal base on the metal base; forming an insulating layer within the gap; A film is coated on the outer surface of the insulating layer to form a coating layer, and the coating layer is configured to make the outer surface of the insulating layer appear metallic luster. 2. The processing method of the housing according to claim 1, characterized in that, after coating the outer surface of the insulating layer, the following steps are also included: A luminescent material layer is formed in the gap, and the luminescent material layer is located outside the coating layer. 3. The processing method of the housing according to claim 1 or 2, characterized in that, after coating the outer surface of the insulating layer, the following steps are also included: A transparent protective layer is formed in the gap, and the transparent protective layer is located outside the coating layer. 4. The processing method of the housing according to claim 1, wherein the step of coating the outer surface of the insulating layer is: Covering the area other than the interval seam on the metal base to expose the interval seam; Coating the insulating layer in the gap. 5. The processing method of the shell according to claim 4, characterized in that, after coating the insulating layer in the interval gap, the following steps are further included: The overflow plating on the edge of the gap is removed. 6 . The method for processing a casing according to claim 1 , wherein the thickness of the coating layer is t, and the t satisfies: 2 μm ≤ t ≤ 4 μm. 7. The processing method of the housing according to claim 1, wherein the coating layer is a pure indium layer. 8 . The processing method of the housing according to claim 3 , wherein the transparent protective layer is filled into the gaps by screen printing. 9. The processing method of the shell according to claim 3 or 8, characterized in that, the transparent protective layer is an ultraviolet curable resin layer. 10 . The processing method of the housing according to claim 2 , wherein the luminescent material layer is a strontium aluminate material layer. 11 . 11. The processing method of the casing according to claim 2 or 10, characterized in that, the luminescent material layer is filled into the gaps by screen printing. 12 . The processing method of the casing according to claim 1 , wherein the width of the gap is W, and the W satisfies: W≧0.3 mm. 13. The method for processing a housing according to claim 1 or 12, wherein the depth of the interval seam is H, and the H satisfies: H≥0.5mm. 14. A shell, characterized in that it is processed by the shell processing method according to any one of claims 1-13. 15. A housing, characterized in that, the housing is provided with gaps, the gaps cut off the housing, a filling layer is provided in the gaps, and the filling layer includes an insulating layer and A coating layer, the coating layer is provided on the outer surface of the insulating layer, and the coating layer is configured to make the outer surface of the insulating layer appear metallic luster. 16. The casing according to claim 15, wherein the filling layer further comprises a luminescent material layer, and the luminescent material layer is disposed outside the coating layer. 17. The casing according to claim 15 or 16, wherein the filling layer further comprises a transparent protective layer, and the transparent protective layer is arranged outside the coating layer. 18. The housing according to claim 15, wherein the coating layer is a pure indium layer. 19. The housing according to claim 15, wherein the thickness of the coating layer is t, and the t satisfies: 2 μm≤t≤4 μm. 20. The casing according to claim 17, wherein the transparent protective layer is an ultraviolet curable resin layer. 21. The housing according to claim 16, wherein the luminescent material layer is a strontium aluminate material layer. 22. The housing according to claim 15, wherein the width of the gap is W, and the W satisfies: W≧0.3mm. 23. The casing according to claim 15 or 22, characterized in that, the depth of the gap is H, and the H satisfies: H≥0.5mm. 24. An electronic device, comprising the casing according to any one of claims 14-23.