CN108583131A - The manufacturing method of electronic device and its shell and shell - Google Patents
The manufacturing method of electronic device and its shell and shell Download PDFInfo
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- CN108583131A CN108583131A CN201810327739.1A CN201810327739A CN108583131A CN 108583131 A CN108583131 A CN 108583131A CN 201810327739 A CN201810327739 A CN 201810327739A CN 108583131 A CN108583131 A CN 108583131A
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- layer
- binder course
- colored paint
- colored
- shell
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
- B44C5/00—Processes for producing special ornamental bodies
- B44C5/04—Ornamental plaques, e.g. decorative panels, decorative veneers
- B44C5/0446—Ornamental plaques, e.g. decorative panels, decorative veneers bearing graphical information
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
- B44C1/00—Processes, not specifically provided for elsewhere, for producing decorative surface effects
- B44C1/20—Applying plastic materials and superficially modelling the surface of these materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
- B44C3/00—Processes, not specifically provided for elsewhere, for producing ornamental structures
- B44C3/02—Superimposing layers
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
- H05K5/0243—Mechanical details of casings for decorative purposes
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Laminated Bodies (AREA)
Abstract
This application discloses a kind of shell of electronic device, which includes plastic basis material, the colored paint layer that is set on plastic basis material, the binder course being set on colored paint layer, the optical film layer being set on binder course, is set to resist layer and the top coat layer being set on resist layer on optical film layer；Wherein, colored paint layer is opaque material, binder course, resist layer and top coat layer are light-permeable material, the material of binder course is colored cold coating, optical film layer includes at least one layer of metal oxide layer being formed in by sputtering or evaporation process on binder course, disclosed herein as well is a kind of manufacturing methods of shell and a kind of electronic device, by the above-mentioned means, the application can improve the crystalistic sense of shell and the design convenient for shell color.
Description
Technical field
The present invention relates to electronic device fields, more particularly to the manufacturer of a kind of electronic device and its shell and shell
Method.
Background technology
Currently, with the development of science and technology, the electronic devices such as smart mobile phone are increasingly at necessity for people's lives.
Shell is the necessary parts of electronic device, and metal is mainly used when the electronic devices such as smart mobile phone initially rise
The shell of material, but the heat conductivity of metal shell causes by force very much user can be stronger to the feeling of temperature when holding, and metal
The cost of shell is higher, therefore alternative metals shell becomes mainstream to plastic casing gradually.However plastic casing due to color oppressiveness,
Without permeability, gradation sense is poor, and color tunability is poor, how to improve permeability, the gradation sense of plastic casing,
Color tunability, and how to be paid close attention to as all big enterprises using the visual effect of simpler technique realization ceramics and glass
Focal issue.
Invention content
The embodiment of the present application use a technical solution be：A kind of shell of electronic device is provided, which includes modeling
Material base material, the colored paint layer being set on plastic basis material, the binder course being set on colored paint layer, the optical film being set on binder course
Layer is set to resist layer and the top coat layer being set on resist layer on optical film layer；Wherein, colored paint layer is opaque material,
Binder course, resist layer and top coat layer are light-permeable material, and the material of binder course is colored cold coating, optical film layer
It include at least one layer of metal oxide layer being formed in by sputtering or evaporation process on binder course.
The embodiment of the present application use another technical solution be：A kind of manufacturing method of the shell of electronic device, it is special
Sign is that manufacturing method includes：Colored paint layer is formed on plastic basis material；Binder course is formed on colored paint layer；The shape on binder course
At optical film layer；Resist layer is formed on optical film layer；Top coat layer is formed on resist layer；Wherein, colored paint layer is impermeable finish
Matter, binder course, resist layer and top coat layer are light-permeable material, are colored cold coating, optical film in conjunction with layer material
Layer includes at least one layer of metal oxide layer being formed in by sputtering or evaporation process on binder course.
The embodiment of the present application use another technical solution be：A kind of electronic device is provided, electronic device includes above-mentioned
Shell.
The embodiment of the present application by the way that shell is arranged includes plastic basis material, the colored paint layer that is set on plastic basis material, is set to
Binder course on colored paint layer, is set to resist layer on optical film layer and is set to anti-the optical film layer being set on binder course
Lose the top coat layer on layer；Wherein, colored paint layer is opaque material, and binder course, resist layer and top coat layer are light-permeable material,
The material of binder course is colored cold coating, and optical film layer includes being formed on binder course by sputtering or evaporation process
At least one layer of metal oxide layer, the shell of the electronic device of the application can realize the imitative ceramics and glass effects of light color,
Dark imitative ceramic effect can be realized again, and color tunability is strong, appearance is more fully apparent from.
Description of the drawings
Fig. 1 is the structural schematic diagram of the shell of the electronic device of the first embodiment of the application；
Fig. 2 is the structural schematic diagram of the shell of the electronic device of the second embodiment of the application；
Fig. 3 is the flow diagram of the manufacturing method of the shell of the electronic device of the first embodiment of the application；
Fig. 4 is the flow diagram of the manufacturing method of the shell of the electronic device of the second embodiment of the application.
Specific implementation mode
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation describes.It is understood that specific embodiment described herein is only used for explaining the application, rather than the limit to the application
It is fixed.It also should be noted that illustrating only for ease of description, in attached drawing and the relevant part of the application and not all knot
Structure.Based on the embodiment in the application, those of ordinary skill in the art are obtained without creative efforts
Every other embodiment, shall fall in the protection scope of this application.
Term " first ", " second " in the application etc. be for distinguishing different objects, rather than it is specific suitable for describing
Sequence.In addition, term " comprising " and " having " and their any deformations, it is intended that cover and non-exclusive include.Such as comprising
The step of process of series of steps or unit, method, system, product or equipment are not limited to list or unit, and
It further includes the steps that optionally not listing or unit to be, or further includes optionally for these processes, method, product or equipment
Intrinsic other steps or unit.
Referenced herein " embodiment " is it is meant that a particular feature, structure, or characteristic described can wrap in conjunction with the embodiments
It is contained at least one embodiment of the application.Each position in the description occur the phrase might not each mean it is identical
Embodiment, nor the independent or alternative embodiment with other embodiments mutual exclusion.Those skilled in the art explicitly and
Implicitly understand, embodiment described herein can be combined with other embodiments.
With the high development of the electronic devices such as smart mobile phone, tablet computer, wearable smart machine, these electronics dress
It sets and nearly reaches bottleneck, function increasingly diversification and sameization in performance.Current user is caused to be more prone to pursue
Appearance, sense of touch of electronic device etc., more stringent requirements are proposed for this shell to electronic device.
On the other hand, the control of electronic device production cost is also the constant theme of all big enterprises, for example, for many years,
The variation of shell of the electronic device from the shell of metal material to plastic material adequately reflects while pursuing quality,
The control of production cost is also essential.
Therefore, how the shell of plastics imitative ceramics and glass is realized using simple structure and technique, and can realize logical
Thoroughly, the index that stereovision is strong, color tunability is strong becomes all big enterprises' focus of attention problem.
It can be abided by it should be understood that the effect for how making imitative ceramics and imitative glass while realizing crystalistic sense is no rule
It follows, the effect reached is often unexpected, and it also requires considering the fastness of combination between layers and stinging
Color problem.
Present inventor's accidental discovery through a large number of experiments, using plastic basis material, colored paint layer, binder course, light
Film layer, resist layer, when stacking gradually structure of top coat layer are learned, color is especially penetrating, and realizes imitative pottery true to nature
The effect of porcelain, has exceeded expected effect.
Further, the optical film layer of existing plating metal, no matter plated film thickness is partially blue, seriously affects light effect
Realization, the application optical film layer includes forming at least one layer of metal oxide layer by sputtering or vapor deposition, can be realized more
Add penetrating light effect light color；Especially, present inventor chances on, in the metal that plastic basis material, sputtering are formed
When oxide skin(coating), the collocation of colored paint layer, color is more penetrating, closer to the visual effect of ceramics, using plastic basis material, colored paint
Layer, binder course, optical film layer, resist layer, top coat layer the structure stacked gradually when, effect is particularly evident, and between layers
Be not in sting color or in conjunction with unstable problem.
In particular, being stacked gradually using plastic basis material, colored paint layer, binder course, optical film layer, resist layer, top coat layer
Structure, and set colored paint layer to lighttight covering type colored paint and cover the color of plastic basis material, and in the combination of light-permeable
When calling in color in layer, the crystalistic sense of color is extremely strong, and can actually realize the effect of imitative ceramics and imitative glass, and can lead to
It crosses the color for changing colored paint layer and changes the color that binder course is called in and realize diversified penetrating color effects.
The concrete structure and manufacturing method of the shell of the application electronic device, may refer to following description.
Referring to Fig. 1, Fig. 1 is the structural schematic diagram of the shell of the electronic device of the first embodiment of the application.In this reality
It applies in example, the shell of electronic device may include the plastic basis material 11 being cascading, colored paint layer 12, binder course 13, optics
Film layer 14, resist layer 15 and top coat layer 16.
Optionally, plastic basis material 11 can be transparent material.Certainly, can also use can not light transmission for plastic basis material 11
Material.
Optionally, plastic basis material 11 can be PC materials (makrolon, Polycarbonate), and transparency can reach
90% or more.
In other embodiments, plastic basis material 11 can also be PMMA (PolymethylMethacrylate, poly- methyl-prop
E pioic acid methyl ester) material, the characteristic with excellent optical characteristics and resistance to temperature change, the penetrability of white light is up to 92%.Modeling
Expect that base material 11 can also be PET, as polyethylene terephthalate is the poly- of milky or light yellow highly crystalline
Close object, smooth surface and it is glossy, transparency is up to 86%.Plastic basis material 11 can also be other plastics, herein no longer one by one
It enumerates.
Colored paint layer 12 is formed on plastic basis material 11.
Optionally, colored paint layer 12 can be formed on plastic basis material 11 by spraying process.Colored paint layer 12 can be it is black,
In vain, a variety of colors such as grey, red, blue.The material of colored paint layer 12 can be lighttight material, such as the material of colored paint layer 12 can be with
It is covering type colored paint.Colored paint layer 12 shows the color of itself and covers the color of plastic basis material 11.
In other embodiments, colored paint layer 12 can also be formed by the way of vapor deposition on plastic basis material 11.It is transferred with UV
The technique of ink is compared, and makes the formation process of colored paint layer 12 simpler by vapor deposition or spraying process, is conducive to improve life
It produces efficiency and saves production cost, be conducive to the industrialized manufacture of shell.
Colored paint layer 12 can be baking-type colored paint, i.e., consolidated by baking after colored paint is sprayed on plastic basis material 11
Change.
Optionally, the thickness of colored paint layer 12 can be 8-12 microns, be specifically as follows 10 microns, can with 8 microns or
12 microns.
Binder course 13 is formed on surface of the colored paint layer 12 far from plastic basis material 11.The thickness of binder course 13 can be 15-
20 microns, can be specifically 18 microns, can also be 15 microns or 20 microns.
Optionally, the material of binder course 13 is colored cold coating.Optionally, colored cold coating is by resin
It is modulated with nano color paste.The color of binder course 13 can be black, white, grey, red, blue etc..
Specifically, colored cold coating at least may include following components：The resin of 20~30 mass parts, 10~
The solvent of the nano color paste of 20 mass parts and 10~20 mass parts.
More particularly in embodiment, colored cold coating includes：The polyurethane of 20~30 mass parts, 40~50
The UV monomers of mass parts, the nano color paste of 10~20 mass parts, the photoinitiator of 3~5 mass parts, 2~4 mass parts it is photosensitive
Agent, the levelling agent of 0.5~1 mass parts, 10~20 mass parts organic solvent.
Optionally, nano color paste is that grinding distribution is made after organic or inorganic pigment is dissolved in solvent, and pigment particle size is
100 nanometers or less.
In the present embodiment, the mode of the formation of binder course 13 can be：Colored resin is sprayed on colored paint layer 12 to apply
Material, makes the colored cold coating levelling on colored paint layer 12 be formed by curing binder course 13 using ultraviolet light afterwards for a period of time.
In other embodiments, the specific generation type of binder course 13 can also be：The vapor deposition band color on colored paint layer 12
Cold coating formed binder course 13.It is relatively low relative to spraying by the way that 13 surface flatness of binder course formed is deposited so that after
The continuous optical film layer 14 being formed on binder course 13 is combined closer with binder course 13, not will produce rainbow line.
Optical film layer 14 can not be formed directly on colored paint layer 12, and binder course 13 functions as subsequent optical film layer 14
The substrate of formation so that can be closely linked by binder course 13 between optical film layer 14 and colored paint layer 12.On the other hand,
Binder course 13 also acts the effect arranged in pairs or groups with other layers of color, realizes abundant and penetrating color effects.
Optical film layer 14 is formed in binder course 13 on the surface of plastic basis material 11.
Optical film layer 14 includes at least one layer of metal oxidation being formed in by sputtering or evaporation process on binder course 13
Nitride layer, for example, hereafter described in the first titanium oxide layer, silicon oxide layer, the second titanium oxide layer, alundum (Al2O3) layer, list
Brilliant titanium dioxide zirconium layer etc..
In the present embodiment, optical film layer 14 may include being cascading in binder course 13 backwards to plastic basis material 11
The hardness strengthening layer 142 of refracting film layer 141 and light-permeable on surface.
Refracting film layer 141 is used for being reflected by the light of refracting film layer 141.
Optionally, refracting film layer 141 may include being cascading in binder course 13 backwards to the surface of plastic basis material 11
On the first titanium oxide layer 141a, silicon oxide layer 141b and the second titanium oxide layer 141c.
It should be understood that the lamination order of refracting film layer 141 is not limited to above-mentioned mode, it can be by adjusting refracting film layer 141
The lamination order of middle titanium oxide, Si oxide realizes different refraction effects.For example, refracting film layer 141 can also include according to
The secondary silicon oxide layer being stacked, titanium oxide layer, silicon oxide layer.Furthermore it is also possible to by adjusting in refracting film layer 141
Each layer of film thickness realize different color effects.
Optionally, the first titanium oxide layer 141a can be titanium dioxide layer or titanium pentoxide layer, the second titanyl
Nitride layer 141c can be titanium dioxide layer or titanium pentoxide layer, and silicon oxide layer 141b can be silicon dioxide layer.
Optionally, hardness strengthening layer 142 can be alundum (Al2O3) layer or monocrystalline titanium dioxide zirconium layer.
Hardness strengthening layer 142 can play a protective role and can make to optical film layer 14 as the outermost layer of optical film layer 14
The hardness bigger of prepared shell finished product is obtained, buckle resistance is strong, and surface is not likely to produce cut.
Resist layer 15 is formed in surface of the optical film layer 14 backwards to plastic basis material 11.The effect of resist layer 15 is to prevent subsequently
The top coat layer 16 of formation corrodes optical film layer 14 and avoids having miscellaneous trace on shell finished product caused by stinging color, on the other hand, against corrosion
Layer 15 will produce stronger adhesive force so that the top coat layer 16 being subsequently formed is combined jail by resist layer 15 with optical film layer 14
Gu.
Optionally, resist layer 15 can be PU dope layers 15.The thickness of resist layer 15 can be 5-10 microns.For example, anti-
The thickness for losing layer 15 can be with 8 microns, or 5 microns or 10 microns.
In the present embodiment, the generation type of PU dope layers 15 can be：PU coating coating is sprayed on optical film layer 14；
Make PU coating levelling for a period of time；Baking makes PU coating be allowed to be formed by curing PU dope layers 15.
In other embodiments, the mode that vapor deposition may be used forms PU dope layers 15 on optical film layer 14.
Top coat layer 16 is formed in resist layer 15 on the surface of plastic basis material 11.
Optionally, top coat layer 16 can be UV dope layers 16.The thickness of top coat layer can be 20-25 microns.
In the present embodiment, the generation type of top coat layer 16 can be：UV coating is sprayed on resist layer 15；Make UV coating
Levelling is for a period of time；It is allowed to be formed by curing UV dope layers 16 using the UV coating on ultraviolet light resist layer 15.
Optionally, the flow time (for example, second duration) when forming UV dope layers 16 is more than when forming binder course 13
Flow time (for example, first duration).As previously mentioned, if the excessively smooth final shell finished product of binder course 13 will will appear coloured silk
Rainbow line can be excessively smooth to avoid binder course 13 by controlling the flow time of binder course 13 in relatively short duration, into
And avoid the appearance of rainbow line.In particular, present inventor chances on, it is less than the half of the second duration in the first duration
When, hardly there is rainbow line in shell finished product.
In other embodiments, the mode that vapor deposition may be used forms UV dope layers 16 on resist layer 15.
In the present embodiment, binder course 13, resist layer 15 and top coat layer 16 are light-permeable material, such as binder course
13, UV dope layers 16, PU dope layers 15 are transparent materials.
The present embodiment includes the plastic basis material 11 stacked gradually, colored paint layer 12, binder course 13, optical film by the way that shell is arranged
The effect of penetrating imitative ceramics and imitative glass may be implemented in layer 14, resist layer 15 and top coat layer 16.Different colors can be passed through
Metal oxide layer (refracting film layer 141, the hardness strengthening layer that the colour match of enamelled coating 12 is formed using sputtering and evaporation process
142 etc.) abundant dark color or the effect of light color imitative glass and ceramics and the colored binder course of collocation, are realized.
Especially in the present embodiment, when the color of colored paint layer 12 and binder course 13 is using light color, refracting film layer of arranging in pairs or groups
141, hardness strengthening layer 142 realizes the effect of the imitative glass and ceramics of abundant light color.
In particular, using plastic basis material 11, colored paint layer 12, binder course 13, optical film layer 14, resist layer 15, top coat layer
16 stack gradually structure and set colored paint layer 12 to lighttight covering type colored paint covers the color of plastic basis material 11, and
When calling in nano color paste in the binder course 13 of light-permeable, the crystalistic sense of color is extremely strong, and can actually realize imitative ceramic and imitative
The effect of glass, and the color of change colored paint layer 12 light different with the colour match that change binder course 13 is called in can be passed through
It learns film layer 14 and realizes diversified penetrating color effects.
Optionally, in the present embodiment, the thickness of top coat layer 16 is more than or equal to twice of thickness of resist layer 15, knot
The thickness for closing layer 13 is more than the thickness of resist layer 15.Present inventor chances on the thickness in top coat layer 16 and is more than or waits
In twice of the thickness of resist layer 15, when the thickness of binder course 13 is more than the thickness of resist layer 15, it is laminated in conjunction with above-mentioned shell
Structure can realize the extremely strong shell of crystalistic sense, be more nearly ceramics crystalistic sense, and the hardness bend resistance intensity of shell compared with
By force.
Referring to Fig. 2, Fig. 2 is the structural schematic diagram of the shell of the electronic device of the second embodiment of the application.
With the shell of the electronic device of the application first embodiment the difference is that, the optical film of the shell of the present embodiment
Layer 24 further comprises the light-permeable color emission layer 243 being stacked with refracting film layer 241.
Optionally, light-permeable color emission layer 243 is set between refracting film layer 241 and binder course 23.
It should be understood that lamination order between light-permeable color emission layer 243 and other layers of optical film layer 24 can be other, example
Such as, light-permeable color emission layer 243 can be set between refracting film layer 241 and hardness strengthening layer 242.
Optionally, light-permeable color emission layer 243 can be the oxide skin(coating) or indium tin oxide of the oxide skin(coating) of indium, tin
Layer.For example, the oxide skin(coating) of indium can be indium sesquioxide layer, the oxide skin(coating) of tin can be tin dioxide layer, the oxidation of indium tin
Nitride layer can be indium tin oxide layer.
It is worth noting that, present inventor chances on the above structure in conjunction with the application, in light-permeable color emission layer
When the stepped construction of the oxide skin(coating) of 243 use indiums, the oxide skin(coating) of tin or the two, in conjunction with using dark colored paint layer
22 can reach especially penetrating and glossiness ceramic effect (for example, ceramics are black).
The present embodiment by the colour match of refracting film layer 241 and colored paint layer 22, binder course 23, further with light-permeable
The colour match of color emission layer 243 can realize abundant color, and color tunability is strong, and color is more penetrating, have color
With sense of depth.
Referring to Fig. 3, Fig. 3 is the flow signal of the manufacturing method of the shell of the electronic device of the application first embodiment
Figure.
In the present embodiment, the manufacture of casing of electronic device may comprise steps of：
Step 101：Plastic basis material is provided.
The description as described in plastic basis material 11 specifically may refer to described above, and details are not described herein again.
Step 102：Lighttight colored paint layer is formed on plastic basis material by spraying process.
Wherein, colored paint layer 12 is formed on plastic basis material 11 by spraying process and can specifically include following steps：First exist
Colored paint is sprayed on plastic basis material 11；Baking-curing is carried out to colored paint again and forms colored paint layer 12.Colored paint layer 12 can be lighttight
Material.For example, covering type colored paint layer.So that colored paint layer 12 covers in the color of plastic basis material 11.
Step 103：Binder course is formed on colored paint layer by spraying process, the material of binder course applies for colored resin
Material.
Wherein, binder course 13 is formed on colored paint layer 12 by spraying process and can specifically include following steps：In colored paint
Colored cold coating is sprayed on layer 12；Make the colored cold coating levelling on colored paint layer 12, flow time first
Duration；Being irradiated using ultraviolet light makes colored cold coating form binder course 13.
Colored cold coating includes：The polyurethane of 20~30 mass parts, the UV monomers of 40~50 mass parts, 10~20
The levelling of the nano color paste of mass parts, the photoinitiator of 3~5 mass parts, the photosensitizer of 2~4 mass parts, 0.5~1 mass parts
Agent, 10~20 mass parts organic solvent.Optionally, nano color paste is that organic or inorganic pigment is dissolved in grinding distribution after solvent
It is made, pigment particle size is 100 nanometers or less.
The preparation process of colored cold coating can be：(1) UV is added in polyurethane by recipe requirements above
Monomer after stirring evenly, adds levelling agent and is sufficiently mixed uniformly, 30~45 degrees Celsius of temperature, stirring is kept to obtain for 5~10 minutes
To mixture A；(2) it presses recipe requirements above sequentially nano color paste, photoinitiator, photosensitizer are added in mixture A, fully
It is uniformly mixed, it is 30~45 degrees Celsius to keep temperature, and stirring obtains mixture B for 10-20 minutes, and viscosity is detected for #2 glasss with rock field,
And it adjusts to 9~10 seconds ranges；(3) colored cold coating is obtained after filtering.
Step 104：Formed on binder course by sputtering technology include at least one layer of metal oxide layer optical film layer.
Wherein, the specific stepped construction of optical film layer 14 or 24 may refer to described above, and details are not described herein again.Sputtering
Technique can be magnetron sputtering technique, for example, making metal react and sputter with oxygen metal targets sputtering under oxygen atmosphere
Metal oxide layer is formed to corresponding substrate surface.The metal oxide layer includes the titanyl in above-mentioned any one embodiment
Nitride layer, silicon oxide layer, the oxide skin(coating) of indium, the oxide layer of tin, indium tin oxide layer, alundum (Al2O3) layer, monocrystalline titanium dioxide
Zirconium layer.
Step 105：Resist layer is formed on optical film layer by spraying process.
Wherein, resist layer 15 is formed on optical film layer 14 by spraying process and can specifically include following steps：In light
It learns and sprays PU coating in film layer 14；Make PU coating levelling for a period of time；Baking makes PU coating dry to form PU dope layers 15.
Step 106：Top coat layer is formed on resist layer by spraying process.
Wherein, top coat layer 16 is formed on resist layer 15 by spraying process and can specifically include following steps：Against corrosion
UV coating is sprayed on layer 15；It is the second duration to make the UV coating levellings on resist layer 15, flow time；It is shone using ultraviolet light
It penetrates to form UV dope layers 16.Wherein, the first duration is less than the second duration.
In the present embodiment, binder course, resist layer and top coat layer are formed by spraying process, each layer surface relative smooth,
So that shell finished product reflecting feel obtained is stronger, and process consistency is strong, needs equipment to be used few, simple for process.By splashing
The optical film layer for penetrating technique formation metal oxide stepped construction so that color is more penetrating after arranging in pairs or groups with colored paint layer.
Referring to Fig. 4, Fig. 4 is the flow signal of the manufacturing method of the shell of the electronic device of the application second embodiment
Figure.
In the present embodiment, the manufacturing method of the shell of electronic device may comprise steps of：
Step 201：Plastic basis material is provided.
The description as described in plastic basis material 11 specifically may refer to described above, and details are not described herein again.
Step 202：Lighttight colored paint layer is formed on plastic basis material by evaporation process.
Wherein, evaporation process can be electron gun evaporation process, or other vacuum evaporation process.The shape of colored paint layer 12
It is specifically as follows at process：Vapor deposition type colored paint is set to evaporate by evaporated device, cooling makes colored paint be solidificated in shape on plastic basis material 11
Quality enamelled coating 12.
Step 203：Binder course is formed on colored paint layer by evaporation process, the material of binder course applies for colored resin
Material.
Wherein, the forming process of binder course 12 is specifically as follows：Colored cold coating is set to evaporate by evaporated device,
It is cooling that colored cold coating is made to be solidificated in formation binder course 13 on colored paint layer 12.
Step 204：Optical film layer is formed on binder course by evaporation process.
Wherein, the evaporation process of silicon dioxide layer can be：First with being deposited one in the corresponding base of vacuum evaporation equipment
Layer silica plated film, first can be evacuated to vacuum, to improve Ring by the furnace inner environment of vacuum evaporation equipment before this step
The purity in border；The Coating Materials of silica is placed on the electrode, is passed through oxygen, electrode is powered under hyperbaric environment and is warming up to vapour
Change temperature, silica is oxidized to after silica evaporation gasification, and condenses in corresponding substrate surface and form silica plating
Film.
The step of forming titanium dioxide layer, which is deposited, to be：The Coating Materials of titanium pentoxide is placed on electrode, and same
Sample is passed through oxygen, and electrode is powered under certain oxygen pressure environment and is warming up to vapourizing temperature, after titanium pentoxide evaporation gasification
It is oxidized by oxygen into titanium dioxide, and condenses in corresponding base and forms titanium dioxide layer.
It can be appreciated that similar vapor deposition mode may be used in other metal oxides.
Step 205：Resist layer is formed on optical film layer by evaporation process.
Wherein, the specific forming step of resist layer 15 can be：PU coating is set to evaporate by evaporated device, cooling makes PU materials
Material is solidificated in formation resist layer 15 on optical film layer 14.
Step 206：Top coat layer is formed on resist layer by spraying process.
Wherein, the description of step 206 may refer to above, and similar with step 106, details are not described herein again.
In the present embodiment, form that each film layer can improve the continuity of technique and vapor deposition is not required to by way of vapor deposition
Flow time is wanted, production efficiency can be improved.
The electronic device of the embodiment of the present application may include shell and apparatus main body, and shell can protect apparatus main body
Shield is surrounded.Electronic device can be smart mobile phone, tablet computer, wearable smart machine etc..Shell is not limited to battery
Lid, front housing, rear shell, center etc..
The embodiment of the present application by the way that shell is arranged includes plastic basis material, the colored paint layer that is set on plastic basis material, is set to
Binder course on colored paint layer, is set to resist layer on optical film layer and is set to anti-the optical film layer being set on binder course
Lose the top coat layer on layer；Wherein, colored paint layer is opaque material, and binder course, resist layer and top coat layer are light-permeable material,
The material of binder course is colored cold coating, and optical film layer includes being formed on binder course by sputtering or evaporation process
At least one layer of metal oxide layer, the shell of the electronic device of the application can realize the imitative ceramics and glass effects of light color,
Dark imitative ceramic effect can be realized again, and color tunability is strong, appearance is more fully apparent from.
It these are only presently filed embodiment, be not intended to limit the scope of the claims of the application, it is every to utilize the application
Equivalent structure or equivalent flow shift made by specification and accompanying drawing content is applied directly or indirectly in other relevant technologies
Field includes similarly in the scope of patent protection of the application.
Claims (18)
1. a kind of shell of electronic device, which is characterized in that the shell includes plastic basis material, is set on the plastic basis material
Colored paint layer, be set on the colored paint layer binder course, be set on the binder course optical film layer, be set to the light
Learn resist layer and the top coat layer being set on the resist layer in film layer；Wherein, the colored paint layer is opaque material, described
Binder course, the resist layer and the top coat layer are light-permeable material, and the material of the binder course is colored resin
Coating, the optical film layer include at least one layer of metal oxidation being formed in by sputtering or evaporation process on the binder course
Nitride layer.
2. shell according to claim 1, which is characterized in that the binder course on the colored paint layer by spraying band face
The cold coating of color is formed, and the colored cold coating includes at least：The resin of 20~30 mass parts, 10~20 mass parts
Nano color paste and 10~20 mass parts solvent.
3. shell according to claim 1, which is characterized in that the optical film layer include at least refracting film layer, for pair
It is reflected by the light of the refracting film layer.
4. shell according to claim 3, which is characterized in that the refracting film layer includes the first titanyl being stacked
Nitride layer, silicon oxide layer and the second titanium oxide layer.
5. shell according to claim 3, which is characterized in that the optical film layer further comprises and the refracting film layer
The light-permeable color emission layer being stacked.
6. shell according to claim 5, which is characterized in that the light-permeable color emission layer is the oxide skin(coating) of indium, tin
Oxide skin(coating) or indium tin oxide layer.
7. shell according to claim 6, which is characterized in that the light-permeable color emission layer be set to the refracting film layer and
Between the binder course.
8. shell according to claim 1, which is characterized in that the colored cold coating is by transparent UV coating and receives
Cream-coloured slurry is modulated, and the top coat layer is transparent UV dope layers, and the resist layer is transparent PU dope layers.
9. the shell according to claim 3 or 5, which is characterized in that the optical film layer further comprises and the refraction
The hardness strengthening layer for the light-permeable that film layer is stacked.
10. shell according to claim 9, which is characterized in that the hardness strengthening layer is alundum (Al2O3) layer or list
Brilliant titanium dioxide zirconium layer.
11. shell according to claim 9, which is characterized in that the hardness strengthening layer setting is carried on the back in the refracting film layer
To on the surface of the plastic basis material.
12. shell according to claim 1, which is characterized in that the thickness of the colored paint layer is 8-12 microns, the combination
The thickness of layer is 12-20 microns, and the thickness of the resist layer is 5-10 microns, and the thickness of the top coat layer is 20-25 microns.
13. shell according to claim 1, which is characterized in that the thickness of the top coat layer is more than or equal to described anti-
Lose the thickness of layer twice, the thickness of the binder course are more than the thickness of the resist layer.
14. a kind of manufacturing method of the shell of electronic device, which is characterized in that the manufacturing method includes：
Colored paint layer is formed on plastic basis material；
Binder course is formed on the colored paint layer；
Optical film layer is formed on the binder course；
Resist layer is formed on the optical film layer；
Top coat layer is formed on the resist layer；
Wherein, the colored paint layer is opaque material, and the binder course, the resist layer and the top coat layer are light-permeable
Material, the combination layer material are colored cold coating, and the optical film layer includes by sputtering or evaporation process shape
At at least one layer of metal oxide layer on the binder course.
15. manufacturing method according to claim 14, which is characterized in that described to form binder course on the colored paint layer
Step, including：
Colored cold coating is sprayed on the colored paint layer form the binder course by spraying process；
Wherein, the colored cold coating includes at least：The nanometer color of the resin of 20~30 mass parts, 10~20 mass parts
The solvent of slurry and 10~20 mass parts.
16. manufacturing method according to claim 14, which is characterized in that
It is described to include the step of forming binder course on the colored paint layer：
Spraying colored cold coating made of transparent UV coating and nano color paste modulation on the colored paint layer；
It is the first duration to make the colored cold coating levelling on the colored paint layer, flow time；
Being irradiated using ultraviolet light makes the colored cold coating be formed by curing the binder course；
It is described to include the step of forming top coat layer on the resist layer：
UV coating is sprayed on the resist layer；
It is the second duration to make the UV coating levellings on the resist layer, flow time；
Being irradiated using ultraviolet light makes the UV paint solidifications form the top coat layer；
First duration is less than the second duration.
17. manufacturing method according to claim 14, which is characterized in that
It is described to include the step of forming binder course on the colored paint layer：
Vapor deposition colored cold coating made of transparent UV coating and nano color paste modulation forms knot on the colored paint layer
Close layer；
It is described to include the step of forming optical film layer on the binder course：
Vapor deposition forms at least one layer of metal oxide layer on the binder course.
18. a kind of electronic device, which is characterized in that the electronic device includes the shell as described in claim 1-13 any one
Body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810327739.1A CN108583131A (en) | 2018-04-12 | 2018-04-12 | The manufacturing method of electronic device and its shell and shell |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810327739.1A CN108583131A (en) | 2018-04-12 | 2018-04-12 | The manufacturing method of electronic device and its shell and shell |
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| CN108583131A true CN108583131A (en) | 2018-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810327739.1A Pending CN108583131A (en) | 2018-04-12 | 2018-04-12 | The manufacturing method of electronic device and its shell and shell |
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| CN (1) | CN108583131A (en) |
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| CN112543563A (en) * | 2020-11-27 | 2021-03-23 | 深圳市沃阳精密科技有限公司 | Middle frame of electronic product, manufacturing method of middle frame, shell of electronic product and electronic product |
| CN114390815A (en) * | 2020-10-20 | 2022-04-22 | Oppo广东移动通信有限公司 | Shell, shell preparation method and electronic equipment |
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| CN114390815B (en) * | 2020-10-20 | 2023-11-28 | Oppo广东移动通信有限公司 | Shell, shell preparation method and electronic equipment |
| CN112543563A (en) * | 2020-11-27 | 2021-03-23 | 深圳市沃阳精密科技有限公司 | Middle frame of electronic product, manufacturing method of middle frame, shell of electronic product and electronic product |
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