CN112261177A

CN112261177A - Shell, manufacturing method of shell and electronic device

Info

Publication number: CN112261177A
Application number: CN201910662846.4A
Authority: CN
Inventors: 赵岩峰
Original assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Current assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date: 2019-07-22
Filing date: 2019-07-22
Publication date: 2021-01-22
Also published as: WO2021013050A1

Abstract

The application relates to the technical field of electronic equipment, and specifically discloses a shell, a manufacturing method of the shell and an electronic device, wherein the shell comprises: a substrate; a bonding layer disposed on the substrate; the color paint layer is arranged on the bonding layer; the base material and the combining layer are both made of light-permeable materials, and a carrier with a preset pattern is wrapped in the combining layer. Through the mode, the appearance effect of abundant texture of casing can be realized to this application.

Description

Shell, manufacturing method of shell and electronic device

Technical Field

The present disclosure relates to the field of electronic devices, and particularly to a housing, a method for manufacturing the housing, and an electronic apparatus.

Background

At present, with the development of science and technology, electronic devices such as smart phones and the like are gradually becoming necessities of people's lives, users gradually present diversified trends to the appearance requirements of electronic equipment (such as mobile phones), and meanwhile, various electronic equipment with different visual effects appear on the market, so that the appearance of the electronic equipment is more attractive and delicate.

Disclosure of Invention

The application provides a shell, a shell manufacturing method and an electronic device, which can achieve the appearance effect of rich textures of the shell.

In one aspect, the present application provides a housing comprising: a substrate; a bonding layer disposed on the substrate; the color paint layer is arranged on the bonding layer; the base material and the combining layer are both made of light-permeable materials, and a carrier with a preset pattern is wrapped in the combining layer.

In another aspect, the present application provides a method of manufacturing a case, the method including the steps of: providing a base material; forming a bonding layer on a substrate; forming a color paint layer on the bonding layer; the base material and the combining layer are both made of light-permeable materials, and a carrier with a preset pattern is wrapped in the combining layer.

In another aspect, the present application provides an electronic device, which is characterized in that the electronic device includes a device main body and a casing for protecting the device main body, and the casing is the casing described above.

The beneficial effect of this application is: in contrast to the prior art, the present application provides a housing comprising a light transmissive substrate and a bonding layer, wherein the bonding layer has a carrier with a predetermined pattern encapsulated therein. Because the base material and the bonding layer are both made of light-permeable materials, a user can observe the three-dimensional pattern carrier in the bonding layer through the base material in appearance, so that the shell has more characteristics and attractiveness. Simultaneously, this application needn't carry out the coating by vaporization or etch in order to obtain the pattern layer to the casing like prior art, only need combine the intraformational carrier of processing out various predetermined patterns and decorative pattern, can satisfy different crowds' demand, realize the outward appearance effect of the abundant texture of casing.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts. Wherein:

FIG. 1 is a schematic structural view of an embodiment of the housing of the present application;

FIG. 2 is a schematic structural view of another embodiment of the housing of the present application;

FIG. 3 is a schematic structural view of yet another embodiment of the housing of the present application;

FIG. 4 is a schematic flow chart diagram illustrating one embodiment of a method for manufacturing a housing according to the present application;

FIG. 5 is a schematic flow chart diagram of another embodiment of a method of manufacturing a housing according to the present application;

FIG. 6 is a schematic flow chart of step S40 in FIG. 5;

FIG. 7 is a schematic flow chart of step S20 in FIG. 4;

FIG. 8 is a schematic flow chart of step S30 in FIG. 4;

fig. 9 is a schematic structural diagram of an embodiment of an electronic device according to the present application.

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 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.

At present, the consumer electronics industry develops faster and faster, and various manufacturers continuously seek technical innovation and functional innovation to meet the development trends of environmental protection, energy conservation and differentiation. The design of consumer electronics products has not been limited to functional perfection, and many designers have focused on the design of the appearance of consumer electronics products. Taking a mobile phone as an example, the mobile phone back plate glass not only plays a role in protecting parts inside the mobile phone, but also plays a role in beautifying and decorating the mobile phone, and the design of the mobile phone cover plate with excellent decoration effect can not only increase the value of the mobile phone, but also improve the use experience of users, and increase the selection range of the users for the appearance of the mobile phone, so that the mobile phone is popular with more users. However, with the high development of electronic devices such as smartphones, tablet computers, wearable smart devices, etc., the electronic devices almost reach a bottleneck in performance, and functions are increasingly diversified and unified. As a result, users are more inclined to pursue the appearance, touch, and the like of the electronic device, which puts higher demands on the housing of the electronic device.

Referring to fig. 1, the present application provides a housing 10, the housing 10 comprising: a substrate 11, a bonding layer 12 and a color lacquer layer 13. The bonding layer 12 is disposed on the substrate 11, and the color paint layer 13 is disposed on the bonding layer 12, wherein the substrate 11 and the bonding layer 12 are both made of a light-permeable material, and the bonding layer 12 is wrapped with a carrier 122 having a predetermined pattern.

Specifically, the bonding layer 12 is formed by wrapping a carrier 122 having a predetermined pattern with a light-permeable polymer resin 121 and then curing. The polymer resin 121 is selected from a thermosetting resin 121 or a light-curing resin 121, before curing, the polymer resin 121 has fluidity, the carrier 122 with the predetermined pattern is placed in the polymer resin 121, and the polymer resin 121 wraps the carrier 122 with the predetermined pattern. When the curing is completed, the uncured polymer resin 121 is transformed into an approximately gel-like state to wrap and fix the carrier 122 having the predetermined pattern.

A colored paint layer 13 is formed on the bonding layer 12. Alternatively, the colored paint layer 13 may be formed on the bonding layer 12 through a spray coating process. The color paint layer 13 can be black, white, gray, red, blue, etc. The material of the color paint layer 13 may be opaque, for example, the material of the color paint layer 13 may be a hiding type color paint. The color paint layer 13 develops its own color and masks the color of the bonding layer 12. In other embodiments, the color paint layer 13 may be formed on the bonding layer 12 by evaporation. Compared with the process of UV transfer printing ink, the forming process of the colored paint layer 13 is simpler through the evaporation or spraying process, the production efficiency is improved, the production cost is saved, and the industrial manufacturing of the shell 10 is facilitated. The color paint layer 13 may also be a baking type color paint, i.e., cured by baking after the color paint is sprayed on the anchor coat layer 12.

It will be appreciated that a user may view the three-dimensional pattern carrier 122 in the tie layer 12 through the substrate 11 and the pigmented paint layer 13 through the substrate 11 and the tie layer 12. In order to improve the appearance of the housing 10 and enable the user to clearly observe the texture of the pattern carrier 122, the present embodiment may adopt a material with a transparency of 85% or more as the material of the base material 11. For example, the substrate 11 may be made of a transparent plastic material, a glass material, or the like, and the plastic material selected in this embodiment may be transparent Polycarbonate (PC) or Polymethyl Methacrylate (PMMA).

Unlike the prior art, the present embodiment provides a housing 10 comprising a light-transmissive substrate 11 and a bonding layer 12, wherein the bonding layer 12 has a carrier 122 with a predetermined pattern wrapped therein. Since the base material 11 and the bonding layer 12 are both light-permeable materials, the three-dimensional pattern carrier 122 in the bonding layer 12 can be seen by a user through the base material 11 in appearance, making the housing 10 more distinctive and attractive. Meanwhile, in the present embodiment, unlike the prior art, the shell 10 does not need to be subjected to evaporation or etching to obtain a pattern layer, and only the carrier 122 with various predetermined patterns and patterns needs to be processed in the bonding layer 12, so as to meet the requirements of different people and achieve the appearance effect of the shell 10 with rich textures.

Referring to fig. 2, in an embodiment, the material of the bonding layer 12 is a cured thermosetting resin 121 and/or a light-curing resin 121, and the bonding layer 12 is formed by curing the thermosetting resin 121 and/or the light-curing resin 121 wrapped with a carrier 122 having a predetermined pattern, wherein the thermosetting resin 121 and/or the light-curing resin 121 at least includes: 15 to 30 parts by mass of a resin 121 and 5 to 10 parts by mass of a curing agent.

Specifically, the thermosetting resin 121 generally used is a thermosetting resin 121 having a glass transition point (Tg) of 130 to 150 ℃ in the atmosphere (atmospheric pressure, 50% RH). The reason is that the case 10 is mainly used in a personal computer, a tablet computer or a mobile phone, and the ambient temperature for use thereof is not higher than 130 ℃.

In an embodiment, the thermosetting resin 121 and/or the light-curing resin 121 is a colored thermosetting resin 121 and/or a light-curing resin 121, wherein the colored thermosetting resin 121 and/or the light-curing resin 121 at least includes: 15-30 parts by mass of resin 121, 5-10 parts by mass of curing agent, 10-20 parts by mass of nano color paste and 10-20 parts by mass of solvent.

Specifically, the material of the bonding layer 12 is a colored resin 121 paint. Optionally, the colored resin 121 coating is prepared by mixing the resin 121 and nano color paste. The color of the bonding layer 12 may be black, white, gray, red, blue, etc.

The colored resin 121 coating may include at least the following components: 15-30 parts by mass of resin 121, 5-10 parts by mass of curing agent, 10-20 parts by mass of nano color paste and 10-20 parts by mass of solvent.

More specifically, in an embodiment, the colored resin 121 coating includes: 15-30 parts of polyurethane, 5-10 parts of curing agent, 10-20 parts of nano color paste, 3-5 parts of photoinitiator, 2-4 parts of photosensitizer, 0.5-1 part of flatting agent and 10-20 parts of organic solvent.

Optionally, the nano color paste is prepared by dissolving organic or inorganic pigment in a solvent and then grinding and dispersing, and the particle size of the pigment is less than 100 nanometers.

In one embodiment, the thermosetting resin 121 and/or the light-curing resin 121 is an epoxy resin 121.

Specifically, the curing process of the epoxy resin 121 is as follows: by adding the curing agent into the epoxy resin 121, the curing agent of the epoxy resin 121 and the epoxy resin 121 are chemically reacted to form a reticular three-dimensional polymer, and the material aggregate is enveloped in a reticular body, so that the linear resin 121 becomes a tough body-shaped solid. It is generally believed to be a thermoset product by reaction in four pathways: (1) the epoxy groups are connected in an open loop mode; (2) the epoxy group reacts with a hardening agent with active hydrogen functional groups to be crosslinked; (3) crosslinking by reaction of epoxy groups with aromatic or aliphatic hydroxyl groups in the hardener; (4) the epoxy or hydroxyl groups react with the groups carried by the hardener to crosslink.

In one embodiment, the substrate 11 is a plastic substrate, an acrylic substrate, a glass substrate, or a sapphire substrate.

In particular, the glass substrate may be selected from float glass or overflow glass, for example, float soda lime glass, float high alumina glass or overflow high alumina glass. Float glass refers to ultra-thin glass produced using the float process. The process can be drawn to the thickness of 0.1mm at present, is used as novel high-technology and high-added-value glass, and has the advantages of high light transmittance, smooth surface, high hardness, good chemical stability, wide application range and the like.

The plastic base material can be polycarbonate material, and the transparency can reach more than 90%. In other embodiments, the bonding layer 12 may be a polymethyl methacrylate material with excellent optical properties and temperature change resistance, and the transmittance of white light is as high as 92%. The plastic base material can also be polyethylene terephthalate which is a milky white or light yellow highly crystalline polymer with smooth and glossy surface and 86% of transparency. The plastic substrate can also be other plastics, which are not listed here.

In one embodiment, the carrier 122 is at least one of non-woven fabric, silk, plastic film, leather, fiber fabric, or gold and silver aluminum foil.

Preferably, the carrier 122 is silk. Silk is generally woven from silk or synthetic fibers, rayon, staple, and the like. Silk has the advantages of smooth texture, soft and stiff crease, much highlight and static water flow effect.

By solidifying the silk in the epoxy resin 121 and attaching the silk to the concave surface of the glass substrate 11, the flowing feeling and the agility of the silk are introduced into the decoration process of the shell 10 of the electronic device, and the differentiated decoration effect is shown to the user. The effect is that the texture and the luster of the silk are excellently reflected in the process of rotating the angle.

In one embodiment, the pigmented paint layer 13 is formed by spraying paint on the surface of the bonding layer 12 facing away from the substrate 11, wherein the paint comprises at least: 50 to 60 parts by mass of gloss oil (for example, 50 parts by mass of gloss oil, 55 parts by mass of gloss oil, or 60 parts by mass of gloss oil), 15 to 40 parts by mass of curing agent (for example, 15 parts by mass of curing agent, 30 parts by mass of curing agent, or 40 parts by mass of diluent), and 10 to 30 parts by mass of diluent (for example, 10 parts by mass of diluent, 20 parts by mass of diluent, or 30 parts by mass of diluent).

In one embodiment, the substrate 11 has a thickness of 50 to 500 micrometers (e.g., 50 micrometers, 250 micrometers, or 500 micrometers), the bonding layer 12 has a thickness of 100 to 500 micrometers (e.g., 100 micrometers, 250 micrometers, or 500 micrometers), and the pigmented paint layer 13 has a thickness of 8 to 15 micrometers (e.g., 8 micrometers, 10 micrometers, or 15 micrometers).

Referring to fig. 3, in an embodiment, the housing 10 further includes: and an adhesive layer 14 disposed between the bonding layer 12 and the base material 11 to fixedly bond the bonding layer 12 and the base material 11.

The adhesive layer 14 is at least one of an OCA adhesive layer, an SGP adhesive layer, a PVB adhesive layer, a PVA adhesive layer, or an EVA adhesive layer.

In particular, OCA glue is used as a special adhesive for gluing transparent optical elements (such as lenses, etc.). The light transmission rate is more than 90%, the cementing strength is good, the curing can be carried out at room temperature or middle temperature, and the curing shrinkage is small. The OCA optical cement is one of the raw materials of the important touch screen. The optical acrylic adhesive is made into a double-sided adhesive tape without a base material, wherein the base material 11 is not arranged on an upper bottom layer and a lower bottom layer, and a layer of release film is respectively adhered on the upper bottom layer and the lower bottom layer. In short, OCA is a double-sided adhesive tape with a special layer of optically clear non-substrate 11.

PVB (i.e., polyvinyl butyral) is a translucent film made of a polymeric material obtained by plasticizing and extruding a polyvinyl butyral resin 121 with a plasticizer. The adhesive has the advantages of semitransparent film appearance, no impurities, flat surface, certain roughness and good flexibility, has good cohesive force on inorganic glass, has the characteristics of transparency, heat resistance, cold resistance, moisture resistance, high mechanical strength and the like, is the best adhesive material for manufacturing interlayers and safety glass in the world at present, and also has wide application in the building fields of building curtain walls, covering sheds, show windows, bank counters, prison inspection windows, steel furnace screens, various bulletproof glass and the like.

After special high-temperature prepressing (or vacuumizing) and high-temperature high-pressure processing, the glass substrate 11 and the bonding layer 14 are permanently bonded into a whole composite glass product.

Referring to fig. 4, the present application provides a method for manufacturing a housing, the method comprising the steps of:

s10: a substrate is provided.

S20: a bonding layer is formed on the substrate.

S30: a colored paint layer is formed on the tie layer.

The base material and the combining layer are both made of light-permeable materials, and a carrier with a preset pattern is wrapped in the combining layer.

In one embodiment, the material of the bonding layer is a cured thermosetting resin and/or a light-curing resin, and referring to fig. 5, before the step of forming the bonding layer on the substrate, the method further comprises:

s40: a bonding layer is prepared.

Referring to fig. 6, step S40 specifically includes:

s41: the carrier having a predetermined pattern is placed in the thermosetting resin and/or the photocurable resin.

S42: curing the thermosetting resin and/or the photocurable resin wrapped with the carrier having the predetermined pattern to form the bonding layer.

Wherein the thermosetting resin and/or the photocurable resin at least comprises: 15 to 30 parts by mass of a resin (for example, 15 parts by mass of the resin, 25 parts by mass of the resin, or 30 parts by mass of the resin) and 5 to 10 parts by mass of a curing agent (for example, 5 parts by mass of the curing agent, 8 parts by mass of the curing agent, or 10 parts by mass of the curing agent).

Specifically, a carrier having a predetermined pattern is placed in a resin, and a curing agent is added in an appropriate amount, and uniformly stirred to ensure that a silk sample is fixed in the resin in a suitable shape and curve, the thickness of the resin being 0.1 to 0.5 mm. And carrying out CNC finish milling on the shape according to a preset size, and keeping the sample for later use.

The process of this example uses an RTM forming process in the manufacturing process for producing the bond ply, taking into account the need for large scale production to ensure a high efficiency and quality and quantity-guaranteed sandwich structure of the shell. The process can obviously improve the production process, ensure the quality and effectively reduce the cost.

The RTM (resin transfer molding) process comprises drawing out resin and curing agent from a storage tank respectively by a metering device, mixing uniformly by a static mixer, injecting into a sealing mold having a carrier with a predetermined pattern laid in advance, curing, demolding, and post-processing to obtain a bonding layer. The carrier with the preset pattern is firstly paved in a mould, and vacuum assistance is added to draw in resin for molding. Because the curing agent and the resin are mixed in the cavity, the resin with high fluidity can fill the cavity and completely infiltrate the carrier by the RTM process, and a smoother surface is generated compared with a hot-pressing process.

Referring to fig. 7, in one embodiment, step S20 includes:

s21: and arranging an adhesive layer on the substrate in a dust-free environment.

S22: a bonding layer is placed on the adhesive layer, wherein an edge of the bonding layer is aligned with an edge of the substrate.

S23: and pressing the bonding layer and the substrate to fixedly bond the bonding layer and the substrate.

Specifically, the pressing process should be performed in a clean room meeting the process requirements: purifying the film in a dust-free room to over hundred thousand levels so as to ensure that no dust is polluted in the film-combining process; the staff should have clothing and tools that are compatible with the decontamination conditions; the ambient temperature is controlled to be 25 ℃ soil and 2 ℃ at room temperature, and the indoor relative humidity is about 25%; the bonding layer and the base material should be kept clean and pollution-free.

In a clean room meeting the process requirements, the substrate is placed flat in a mold, an adhesive layer (such as a PVB intermediate film, OCA glue or other adhesive materials) is spread and flattened on the substrate, the cured bonding layer is placed on the mold, and the cured bonding layer is ensured to be aligned with the edge of the substrate under the positioning of a clamping jig. After the bonding layer and the base material are paved, residual air in the base material, the bonding layer and the bonding layer is exhausted under the conditions of vacuum negative pressure (-0.05MPa) and 60-80 ℃, and a good bonding effect is obtained.

In one embodiment, the pressing parameters are: the pressing vacuum degree is as follows: -0.05MPa, and the pressing temperature is 60-80 ℃.

Referring to fig. 8, in one embodiment, step S30 includes:

s31: and spraying paint on the bonding layer.

S32: leveling the paint on the tie layer.

S33: the paint material is cured to form a paint layer.

Wherein the paint at least comprises: 50 to 60 parts by mass of gloss oil (for example, 50 parts by mass of gloss oil, 55 parts by mass of gloss oil, or 60 parts by mass of gloss oil), 15 to 40 parts by mass of curing agent (for example, 15 parts by mass of curing agent, 30 parts by mass of curing agent, or 40 parts by mass of diluent), and 10 to 30 parts by mass of diluent (for example, 10 parts by mass of diluent, 20 parts by mass of diluent, or 30 parts by mass of diluent).

In one embodiment, the spraying parameters in the paint spraying process are as follows: the viscosity of the paint was 8 to 12 pa · s (e.g., 8 pa · s, 10 pa · s, or 12 pa · s), the distance of the spray gun from the bonding layer was 10 cm, the rotational speed of the bonding layer was 10 to 60 degrees/sec (e.g., 10 degrees/sec, 30 degrees/sec, or 60 degrees/sec), the spraying speed at the time of spraying was 600 mm/m, the ink supply pressure was 200 pa, the atomization pressure was 300 pa, and the ejection pressure was 350 pa.

The curing parameters in the paint curing process are as follows: the curing temperature is 80-90 ℃, the curing time is 50-60 minutes, and the thickness is uniformly controlled to be 10-15 microns.

In one embodiment, after the step of providing a substrate, the method further comprises: the substrate is subjected to cutting, polishing and cleaning processes.

Specifically, the substrate needs to be pretreated: and (3) putting the base material into absolute ethyl alcohol for ultrasonic cleaning to remove oil stains on the surface of the base material, wherein the cleaning time is 5-10 minutes. Cutting, finishing the plane size and shape, holes and chamfers of the product, and polishing the side surface of part of the product after CNC; cleaning CNC oil stain and cooling liquid by using ultrasonic waves and an alkaline cleaning agent; using a test mold to mold the glass curved surface at high temperature, polishing and repairing defects such as pits, impressions and the like caused in the hot bending process, and polishing the concave and convex surfaces once respectively; cleaning polishing powder by ultrasonic wave and alkaline cleaning solution; after the blank is prepared, the K-Na ions replace the tempered glass at high temperature, and then the glass is cleaned. The thickness of the glass is controlled to be 0.05-0.55 mm for standby.

The present application provides an electronic device 100, the electronic device 100 includes a device main body 101 and a casing 10 for protecting the device main body 101, and the casing 10 is the casing 10 in the above embodiment.

As shown in fig. 9, the electronic apparatus 100 according to an embodiment is a mobile phone, and in other embodiments, the electronic apparatus 100 may be any electronic device including a tablet computer, a PDA (Personal Digital Assistant), a POS (Point of Sales), a wearable device, and the like. Examples of electronic device 100 include, but are not limited to, a satellite or a cellular telephone. A cellular radiotelephone may be combined with a Personal Communications System (PCS) terminal having data processing, facsimile and data communications capabilities. PDAs that may include radiotelephones, pagers, internet/intranet access, Web browsers, notepads, calendars, and/or Global Positioning System (GPS) receivers. And a conventional laptop and/or palmtop receiver or other electronic device 100 that includes a radiotelephone transceiver.

The electronic device 100 may include a display screen and a housing 10, the display screen being fixedly connected to the housing 10. The display screen and the housing 10 may enclose a cavity for accommodating electrical components such as a motherboard, a battery, etc. of the electronic device 100.

The above description is only for the purpose of illustrating embodiments of the present application and is not intended to limit the scope of the present application, and all modifications of equivalent structures and equivalent processes, which are made by the contents of the specification and the drawings of the present application or are directly or indirectly applied to other related technical fields, are also included in the scope of the present application.

Claims

1. A housing, characterized in that the housing comprises:

a substrate;

a bonding layer disposed on the substrate;

the color paint layer is arranged on the bonding layer;

the base material and the bonding layer are both made of light-permeable materials, and a carrier with a preset pattern is wrapped in the bonding layer.

2. The housing according to claim 1, wherein a material of the bonding layer is a cured thermosetting resin and/or a photocurable resin, the bonding layer being formed by curing the thermosetting resin and/or the photocurable resin wrapped with the carrier having the predetermined pattern, wherein the thermosetting resin and/or the photocurable resin includes at least: 15 to 30 parts by mass of a resin and 5 to 10 parts by mass of a curing agent.

3. The housing of claim 2, wherein the thermosetting resin and/or the photocurable resin is a colored thermosetting resin and/or a photocurable resin, wherein the colored thermosetting resin and/or the photocurable resin comprises at least: 15-30 parts of resin, 5-10 parts of curing agent, 10-20 parts of nano color paste and 10-20 parts of solvent.

4. The housing according to any one of claims 2 or 3,

the thermosetting resin and/or the light-curing resin is epoxy resin.

5. The housing of claim 1,

the substrate is a plastic substrate, an acrylic substrate, a glass substrate or a sapphire substrate.

6. The housing of claim 1,

the carrier is at least one of non-woven fabrics, silk, plastic films, leather, fiber fabrics or gold and silver aluminum foils.

7. The housing of claim 1,

the color paint layer is formed by spraying paint on the surface of the bonding layer opposite to the substrate; wherein the paint at least comprises: 50-60 parts by mass of gloss oil, 15-40 parts by mass of curing agent and 10-30 parts by mass of diluent.

8. The housing of claim 1, wherein the substrate has a thickness of 50 to 500 micrometers, the bonding layer has a thickness of 100 to 500 micrometers, and the color paint layer has a thickness of 8 to 15 micrometers.

9. The housing of claim 1, further comprising:

and the bonding layer is arranged between the bonding layer and the base material so as to fixedly bond the bonding layer and the base material.

10. The housing of claim 1,

the adhesive layer is at least one of an OCA adhesive layer, an SGP adhesive layer, a PVB adhesive layer, a PVA adhesive layer or an EVA adhesive layer.

11. A method of manufacturing a housing, the method comprising the steps of:

providing a base material;

forming a bonding layer on the substrate;

forming a color paint layer on the bonding layer;

12. The method of claim 11, wherein the material of the bonding layer is a cured thermosetting resin and/or a photocurable resin, and wherein prior to the step of forming the bonding layer on the substrate, the method further comprises: preparing the bonding layer;

the step of preparing the bonding layer comprises:

placing a carrier having a predetermined pattern in a thermosetting resin and/or a photocurable resin;

curing the thermosetting resin and/or the photocurable resin wrapped with the carrier having the predetermined pattern to form the bonding layer;

wherein the thermosetting resin and/or the photocurable resin at least comprises: 15 to 30 parts by mass of a resin and 5 to 10 parts by mass of a curing agent.

13. The method of claim 11, wherein the step of forming a bonding layer on the substrate comprises:

arranging an adhesive layer on the base material in a dust-free environment;

placing the bonding layer on the adhesive layer, wherein an edge of the bonding layer is aligned with an edge of the substrate;

and pressing the bonding layer and the base material to fixedly bond the bonding layer and the base material.

14. The method of claim 13,

the pressing parameters are as follows: the pressing vacuum degree is as follows: -0.05MPa, and the pressing temperature is 60-80 ℃.

15. The method of claim 11, wherein the step of forming a layer of pigmented paint over the bonding layer comprises:

spraying paint on the bonding layer;

leveling the paint on the tie layer;

curing the paint to form the pigmented paint layer;

wherein the paint at least comprises: 50-60 parts by mass of gloss oil, 15-40 parts by mass of curing agent and 10-30 parts by mass of diluent.

16. The method of claim 15,

the spraying parameters are as follows: the viscosity of the paint is 8-12 Pascal second, the distance between the spray gun and the bonding layer is 10 cm, the autorotation speed of the bonding layer is 10-60 degrees/second, the spraying speed during spraying is 600 mm/m, the ink supply pressure is 200 Pa, the atomization pressure is 300 Pa, and the ejection pressure is 350 Pa;

the curing parameters are as follows: the curing temperature is 80-90 ℃, the curing time is 50-60 minutes, and the thickness is uniformly controlled to be 10-15 microns.

17. The method of claim 11, wherein after the step of providing a substrate, the method further comprises:

and cutting, polishing and cleaning the substrate.

18. An electronic device, characterized in that the electronic device comprises a device body and a casing for protecting the device body, the casing being according to any one of claims 1-10.