CN-122029502-A - Shell, manufacturing method thereof and electronic equipment

Abstract

The application provides a shell, a preparation method thereof and electronic equipment, and relates to the technical field of terminals, wherein the shell comprises a shell substrate, an oxide layer and a transparent layer, wherein the shell substrate at least comprises a matte area and a highlight area, the outer surface of the shell substrate, which is positioned in the matte area, is a sand surface, and the outer surface of the shell substrate, which is positioned in the highlight area, is a highlight surface; the oxide layer is arranged in the matte area and covers the sand surface, and the transparent layer is at least arranged in the highlight area and covers the highlight surface. Therefore, the sand surface and the highlight surface are respectively formed in different areas of the outer surface of the shell substrate, meanwhile, the oxide layer covers the sand surface, so that the sand surface has three-dimensional sand effect and luster, and the transparent formation layer at least covers the highlight surface, so that the highlight effect of the highlight surface can be kept, the matte and highlight textures of the shell are naturally connected, the appearance quality of the shell is improved, and the appearance quality of electronic equipment applying the shell is further improved.

Inventors

• FANG DONGYU

Assignees

• 荣耀终端股份有限公司

Dates

Publication Date

20260512

Application Date

20240906

Claims (20)

1. A shell member for a container, which comprises a shell, characterized by comprising the following steps: The shell substrate is provided with at least a matte area and a highlight area, the outer surface of the shell substrate, which is positioned in the matte area, is a sand surface, and the outer surface of the shell substrate, which is positioned in the highlight area, is a highlight surface; The oxidation layer is arranged in the matte area and covers the sand surface; And a transparent layer provided at least in the highlight region and covering the highlight surface.
2. The shell of claim 1, wherein the oxide layer is a pre-oxide layer, the pre-oxide layer being undyed, an outer surface of the pre-oxide layer having a plurality of pores.
3. The case of claim 2, further comprising an electrophoretic layer disposed in the matte region and the highlight region, the electrophoretic layer covering at least one of the transparentization layer and the pre-oxidation layer.
4. The casing according to claim 1, wherein the matte region includes the oxide layer and the transparentizing layer laminated in this order on the sand face in a thickness direction perpendicular to the casing, and the highlight region includes the transparentizing layer.
5. The housing of claim 1 wherein said matte region comprises said oxide layer and said highlight region comprises said transparentization layer.
6. The case according to claim 1, wherein the matte region includes the oxide layer and the transparentizing layer, the transparentizing layer being provided on at least a part of an outer surface of the oxide layer away from the case base material, in a direction perpendicular to a thickness direction of the case, and the highlight region includes the transparentizing layer.
7. A casing according to claim 3, wherein the matte region comprises the pre-oxidized layer, the transparent formation layer and the electrophoretic layer laminated in this order on the sand face in a direction perpendicular to the thickness direction of the casing, and the material of the transparent formation layer fills the pores of the pre-oxidized layer; The highlight region includes the transparent layer and the electrophoretic layer laminated in this order on the highlight surface.
8. A casing according to claim 3, wherein the matte region comprises the pre-oxidized layer and the electrophoretic layer laminated in this order on the sand face in a direction perpendicular to the thickness direction of the casing, and the material of the electrophoretic layer fills the pores of the pre-oxidized layer; The highlight region includes the transparent layer and the electrophoretic layer laminated in this order on the highlight surface.
9. A shell member as claimed in claim 3, wherein the matte region includes, in a thickness direction perpendicular to the shell member, the pre-oxidized layer, the transparentizing layer and the electrophoresis layer, the transparentizing layer being disposed between the pre-oxidized layer and the electrophoresis layer and covering a part of an outer surface of the pre-oxidized layer, the electrophoresis layer covering the rest of the outer surface of the pre-oxidized layer and the transparentizing layer, a material of the transparentizing layer and a material of the electrophoresis layer filling pores of the pre-oxidized layer; The highlight region includes the transparent layer and the electrophoretic layer laminated in this order on the highlight surface.
10. A shell according to any one of claims 2, 3, 7 to 9, wherein the pre-oxidized layer is obtained by alkaline washing, chemical polishing, oxidation and curing treatments.
11. A shell according to any one of claims 2, 3, 7 to 10, wherein the thickness of the pre-oxidized layer in a direction perpendicular to the shell substrate is in the range of 2 μm-10 μm.
12. The case according to any one of claims 1 to 11, wherein the highlight is obtained by at least one of sanding and polishing, computer numerically controlled diamond cutter cutting.
13. The case according to any one of claims 1 to 12, wherein the roughness of the highlight is less than or equal to 0.05 μm.
14. The case according to any one of claims 1 to 13, wherein the material of the transparentizing layer comprises at least a silane salt having an amino group, a vinyl group and an epoxy group.
15. The case according to any one of claims 1 to 14, wherein the thickness of the transparentizing layer in a direction perpendicular to the case base material ranges from 0.5 μm to 3 μm.
16. A shell according to any one of claims 3, 7 to 15, wherein the material of the electrophoretic layer comprises a water-soluble anodic electrophoretic paint of an acrylic resin system.
17. The case of any one of claims 1 to 16, wherein the thickness of the electrophoretic layer in a direction perpendicular to the case substrate ranges from 8 μm to 30 μm.
18. The case of any one of claims 1 to 17, wherein the pencil hardness range of the electrophoretic layer comprises 2H-5H.
19. The case according to any one of claims 1 to 18, wherein at least one of a slip aid, a color paste, a color-changing pearlescent powder, and a fingerprint resistant aid is added to the electrophoretic layer.
20. The case of any one of claims 1 to 19, wherein the highlight region has at least one of a highlight surface, a highlight chamfer, a highlight logo, a highlight line, and a highlight decorative shape.

Description

Shell, manufacturing method thereof and electronic equipment Technical Field The application relates to the technical field of terminals, in particular to a shell, a manufacturing method thereof and electronic equipment. Background Along with development of technology, electronic devices such as notebook computers and tablet computers are becoming popular in life of people, and currently, aluminum alloy and the like are often used to make a shell of the electronic device, so that the electronic device has a better protection effect and a unique metal texture. Along with the continuous improvement of the requirements of people on appearance, the shell can be further subjected to surface treatment so as to play roles of better protection, decoration and the like. The bright and matte integrated body combines two different textures of bright light and matte light, and the appearance surface of the electronic equipment is treated through a specific surface treatment process, so that the appearance surface of the electronic equipment presents one appearance effect of two different visual effects of the bright surface and the matte surface in different areas. However, when the appearance surface of the electronic device is treated to form the bright-matte homomorphic effect in the conventional process, the problems of long process, high cost and the like often exist. Disclosure of Invention The application provides a shell, a preparation method thereof and electronic equipment, wherein a sand surface and a highlight surface are respectively formed in different areas of the outer surface of a shell substrate of the shell, meanwhile, an oxide layer covers the sand surface, so that the sand surface has three-dimensional sand effect and luster, and a transparent layer at least covers the highlight surface, so that the highlight effect of the highlight surface can be maintained, the matte texture and the highlight texture of the shell are naturally connected, the appearance quality of the shell is improved, and the appearance quality of the electronic equipment applying the shell is further improved. In order to achieve the above purpose, the application adopts the following technical scheme: The shell comprises a shell substrate, an oxide layer and a transparent layer, wherein the shell substrate at least comprises a matte area and a highlight area, the outer surface of the shell substrate, which is positioned in the matte area, is a sand surface, the outer surface of the shell substrate, which is positioned in the highlight area, is a highlight surface, the oxide layer is arranged in the matte area and covers the sand surface, and the transparent layer is at least arranged in the highlight area and covers the highlight surface. The embodiment of the application provides a shell, wherein different areas of the outer surface of a shell substrate of the shell are respectively provided with a sand surface and a highlight surface, meanwhile, an oxide layer covers the sand surface, so that the sand surface has three-dimensional sand effect and luster, and a transparent formation layer at least covers the highlight surface, so that the highlight effect of the highlight surface can be maintained, the matte and highlight textures of the shell are connected very naturally, and the appearance quality of the shell is greatly improved. In a possible implementation manner of the first aspect, the oxide layer is a pre-oxide layer, the pre-oxide layer is undyed, and an outer surface of the pre-oxide layer has a plurality of pores. In the implementation mode, the sand surface is rugged, has strong granular sense and is matt, so that the pre-oxidation layer is formed on the outer surface of one side of the sand surface far away from the shell substrate, the pre-oxidation layer is subjected to oxidation treatment but is not subjected to dyeing treatment, the brightness and three-dimensional sand effect of the metallic luster of the sand surface can be well presented, and meanwhile, the nano-scale pores in the pre-oxidation layer are not subjected to hole sealing treatment, so that the conductivity of the shell substrate can be kept, and the subsequent electrophoresis process is facilitated. In a possible implementation manner of the first aspect, the casing further includes an electrophoretic layer, where the electrophoretic layer is disposed in the matte area and the highlight area, and the electrophoretic layer covers at least one of the transparent formation layer and the pre-oxidation layer. In the implementation mode, the outermost layer of the shell is a colored semitransparent electrophoresis layer, the electrophoresis layer can protect a film layer between the electrophoresis layer and a shell substrate, the shell can show a natural matte effect and a natural highlight effect, and the appearance attractiveness and diversity are greatly improved. In a possible implementation manner of the first aspect, along a direction perpend