CN110475440A - Shell and preparation method thereof, electronic equipment - Google Patents
Shell and preparation method thereof, electronic equipment Download PDFInfo
- Publication number
- CN110475440A CN110475440A CN201910740674.8A CN201910740674A CN110475440A CN 110475440 A CN110475440 A CN 110475440A CN 201910740674 A CN201910740674 A CN 201910740674A CN 110475440 A CN110475440 A CN 110475440A
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- layer
- substrate
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- color layers
- transfer printing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
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- B32B17/064—
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
- B32B27/365—Layered products comprising a layer of synthetic resin comprising polyesters comprising polycarbonates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/14—Printing or colouring
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2315/00—Other materials containing non-metallic inorganic compounds not provided for in groups B32B2311/00 - B32B2313/04
- B32B2315/08—Glass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2367/00—Polyesters, e.g. PET, i.e. polyethylene terephthalate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2369/00—Polycarbonates
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Laminated Bodies (AREA)
Abstract
This application discloses shells and preparation method thereof, electronic equipment.Specifically, present applicant proposes a kind of shells, comprising: substrate；The side of the substrate is arranged in color layers, the color layers, and the color layers cover the part of the surface of the substrate；Filled layer, the same side of the substrate is arranged in the filled layer and the color layers, and the filled layer at least covers the region that the substrate is not covered by the color layers, the filled layer is not identical for the color of the transparent or described filled layer and the color of the color layers；UV transfer printing layer, side of the color layers far from the substrate is arranged in the UV transfer printing layer, and covers the color layers and the filled layer；The side of the UV transfer printing layer far from the color layers is arranged in film plating layer, the film plating layer.Shell preparation process is simple as a result, lower production costs, and filled layer corresponding position has the good pattern of appearance, and product expressive force is strong.
Description
Technical field
This application involves field of electronic devices, and in particular, to shell and preparation method thereof, electronic equipment.
Background technique
Currently, on the shell (such as cell phone rear cover etc.) of electronic equipment usually require production LOGO (abbreviation of LOGOtype,
Refer generally to trade mark, logo), it is an important element of electronic equipment that LOGO, which represents the brand and value of electronic product, production
LOGO on electronic equipment casing is typically required for the metallic luster effect etc. of higher brightness and colorful, to promote electricity
The appearance power of sub- product.
However, current shell and preparation method thereof, electronic equipment, still have much room for improvement.
Summary of the invention
The application is to be made based on inventor to the discovery of following facts and problem and understanding:
Inventors have found that the method for making the patterns such as LOGO on the shell of electronic equipment at present, there are preparation process compared with
The problems such as poor for the appearance power of the patterns such as complexity, the higher, LOGO of production cost.There are the patterns such as LOGO in production at present
Casting of electronic device when, the patterns such as the higher LOGO of brightness are first formed on the substrate in certain methods, then on substrate successively
The structures such as color layers, texture layer, film plating layer are formed, to enrich the appearance of shell, promote the appearance power of shell entirety.The party
In method, the method for the patterns such as LOGO is formed on the substrate mainly include the following types: (1) is contour using silk-screen mirror-like silver, mirror surface gold
The patterns such as LOGO required for prepared by the mode of the metal ink of reflection.Although this method operation is relatively simple, it is fabricated to
This is lower, and still, the binding force of metal ink and substrate is excessively poor, and reliability is lower；Also, the brightness of metal ink is inadequate
Height, and the color that can be formed is limited；Also, it is subsequent also to pass through silk-screen mirror-like silver ink after this method forms the patterns such as LOGO
Or the modes such as plating form film plating layer, and entire shell is made to have metallic luster effect, complex procedures, high production cost；(2) it uses
The mode of plating forms the patterns such as LOGO, for example, can not need the region of plated film on substrate by covering, or can first exist
One layer of metal of electroplating surface of substrate, the patterns such as LOGO required for then being formed by etching.This method production cost is higher,
And during preparing entire shell, coating process (patterns such as primary formation LOGO, the entire shell of primary formation promotion twice is needed
The film plating layer of body brightness), production process is longer, and complex procedures, production yield is lower, and production cost is higher.In summary, at present
The method that common production has the shells of patterns such as LOGO has that complex manufacturing technology, production cost be higher or LOGO etc.
The problems such as patterned appearance expressive force is poor, reliability is poor.Therefore, if a kind of new shell with patterns such as LOGO can be proposed
Body and preparation method can not only save production process and production cost, but also the patterns such as shell and LOGO can be made with good
Good appearance and service performance, will largely solve the above problems.
The application is intended to solve at least some of the technical problems in related technologies.
In the one aspect of the application, present applicant proposes a kind of shells.The shell includes: substrate；Color layers, the face
The side of the substrate is arranged in chromatograph, and the color layers cover the part of the surface of the substrate；Filled layer, the filled layer and
The same side of the substrate is arranged in the color layers, and the filled layer at least covers the substrate and do not covered by the color layers
The region of lid, the filled layer be not identical for the color of the transparent or described filled layer and the color of the color layers；UV transfer
Layer, side of the color layers far from the substrate is arranged in the UV transfer printing layer, and covers the color layers and the filling
Layer；The side of the UV transfer printing layer far from the color layers is arranged in film plating layer, the film plating layer.The color layers of the shell are only covered
The part of the surface at cover lining bottom, substrate surface are not formed with filled layer by the region that color layers cover, which can be with
The color and metallic luster effect of filled layer and film plating layer superposition is presented, and color layers and plating can be presented in color layers corresponding position
The appearance of the superpositions such as film layer, the shell has the patterns such as the good LOGO of appearance, and the LOGO in the shell as a result,
The metallic luster effect and film plating layer of equal patterns can be formed by a coating process, saved production process and have been produced into
This.
In further aspect of the application, present applicant proposes a kind of methods for preparing shell.This method comprises: providing lining
Bottom；Color layers, the part of the surface of the covering substrate are formed in the side of the substrate；It is described in having for the substrate
The side of color layers forms filled layer, and the filled layer at least covers the region that the substrate is not covered by the color layers, institute
The color for stating color and the color layers that filled layer is the transparent or described filled layer is not identical；In the color layers far from institute
The side for stating substrate forms UV transfer printing layer, and the UV transfer printing layer covers the color layers and the filled layer；Turn in the UV
It prints layer and forms film plating layer far from the side of the color layers.This method passes through the portion for making the color layers to be formed cover substrate as a result,
Divide surface, forms filled layer in the region that substrate surface is not covered by color layers, which can be presented filled layer
The color and metallic luster effect being superimposed with film plating layer, and the superposition such as color layers and film plating layer can be presented in color layers corresponding position
Appearance produce to only be achieved that the metallic luster effect of the patterns such as LOGO and shell by a coating process
Cost is relatively low, has saved production process, and the patterned appearances such as the shell formed and LOGO work well, product expressive force is strong.
In the another aspect of the application, present applicant proposes a kind of electronic equipment.The electronic equipment includes: noted earlier
Shell or mentioned-above method prepared by shell, the shell limits accommodation space；Mainboard and memory, it is described
Mainboard and memory are located inside the accommodation space；And screen, screen setting the accommodation space and with institute
Mainboard is stated to be connected.There is the electronic equipment shell prepared by mentioned-above shell or mentioned-above method to be had as a result,
The whole features and advantage having, details are not described herein.Generally speaking, the electronic equipment appearance is good, product expressive force
By force.
Detailed description of the invention
Fig. 1 shows the structural schematic diagram according to one exemplary shell of the application；
Fig. 2 shows the structural schematic diagram of another exemplary shell according to the application；
Fig. 3 shows the structural schematic diagram of another exemplary shell according to the application；
Fig. 4 shows the structural schematic diagram of another exemplary shell according to the application；
Fig. 5 shows the structural schematic diagram of another exemplary shell according to the application；
Fig. 6 is shown according to the application one exemplary method flow schematic diagram for preparing shell；
Fig. 7 shows another exemplary method flow schematic diagram for preparing shell according to the application；
Fig. 8 shows another exemplary method flow schematic diagram for preparing shell according to the application；And
Fig. 9 shows the structural schematic diagram according to one exemplary electronic equipment of the application.
Description of symbols:
100: substrate；200: color layers；300: filled layer；400:UV transfer printing layer；410: first part；420: the second
Point；500: film plating layer；600: base layer；700: hardened layer；800: housing base；1000: shell；1100: electronic equipment.
Specific embodiment
The example of the application is described below in detail, the exemplary example is shown in the accompanying drawings.Below with reference to attached drawing
The example of description is exemplary, it is intended to for explaining the application, and should not be understood as the limitation to the application.
In the one aspect of the application, present applicant proposes a kind of shells.According to the example of the application, with reference to Fig. 1, the shell
Body 1000 includes: substrate 100, color layers 200, filled layer 300, UV transfer printing layer 400 and film plating layer 500, wherein color layers
200 are arranged in the side of substrate 100, and color layers 200 cover the part of the surface of substrate 100, and filled layer 300 and color layers 200 are set
It sets in the same side of substrate 100, and filled layer 300 at least covers the region that substrate 100 is not covered by color layers 200, UV transfer
Side of the color layers 200 far from substrate 100 is arranged in layer 400, and covering color layers 200 and filled layer 300, film plating layer 500 are set
It sets in side of the UV transfer printing layer 400 far from color layers 200, also, filled layer 300 is transparent or filled layer 300 color
It is not identical with the color of color layers 200.Appearance can not formed by the 100 region corresponding position of substrate that color layers 200 cover as a result,
The patterns such as the LOGO to work well, and the metallic luster effect of the patterns such as the LOGO and film plating layer 500 can pass through a plated film
Technique is formed, and production process and production cost have been saved, and improves the appearance power of shell 1000.
In order to facilitate understanding, the principle that can obtain above-mentioned beneficial effect to the shell below is briefly described:
As previously mentioned, the shell at present with the patterns such as LOGO, exist complex manufacturing technology, production cost it is higher,
The problems such as patterned appearances expressive force such as LOGO is poor, reliability is poor.And according in the shell of the embodiment of the present application, by enabling face
Chromatograph covers the part of the surface of substrate, and forms filled layer in the substrate surface not covered by color layers, and the filled layer can be with
Color for transparent or filled layer color and color layers can not be identical, subsequent in the color layers and filled layer
After surface successively makes UV transfer printing layer and film plating layer, which can be presented filled layer, UV transfer printing layer and plated film
Layer superposition color and metallic luster effect (when filled layer be it is transparent when, due to UV transfer printing layer be generally also it is transparent, because
This, which is mainly presented the color and metallic luster effect of film plating layer), and the area that color layers cover on shell
The appearance of color layers, UV transfer printing layer and film plating layer superposition can be presented in domain corresponding position.Therefore, which can be in filled layer pair
Should place form the patterns such as LOGO, the pattern intensities such as LOGO of formation are higher, and reliability is preferable, and appearance power is strong；Also, color
After the film plating layer of layer corresponding position and color layers superposition, the brightness of color layers can be made higher, further improve the outer of the shell
See effect.One film plating layer (only forming a film plating layer by a coating process) is only set in the shell as a result, not only
The brightness and appearance that shell entirety can be promoted can also be such that the patterns such as the LOGO to be formed imitate with good metallic luster
Fruit, expressive force is strong, and the problems such as will not fall off, good reliability.And the preparation process of the shell is relatively simple, production cost
Lower (such as eliminating the process that the patterns such as LOGO are prepared separately by plated film).
According to some examples of the application, with reference to Fig. 1, the material for forming substrate 100 is not particularly limited, such as forms lining
The material at bottom 100 may include polycarbonate (PC), polymethyl methacrylate (PMMA), polyethylene terephthalate
(PET) and at least one of thermoplastic polyurethane (TPU).Specifically, substrate 100 may include multiple substrates being stacked
Sub-layer (not shown), for example, substrate 100 can be by polycarbonate and polymethyl methacrylate layers it is folded formed it is compound
Substrate.Specifically, the thickness of substrate 100 is not particularly limited, such as the thickness of substrate 100 can be 0.05-0.8mm, such as
It can be 0.08mm, can be 0.1mm, can be 0.2mm, can be 0.3mm, can be 0.4mm, can be 0.5mm, it can be with
It can be 0.7mm etc. for 0.6mm.According to the specific embodiment of the application, substrate 100 be can be by polycarbonate and poly- methyl
Methyl acrylate is laminated the compound substrate to be formed, and the overall thickness of compound substrate can be that 0.5-0.7mm (such as can be
0.64mm), wherein the thickness of polycarbonate substrate sub-layer can be 0.5-0.6mm (such as can be 0.59mm), poly- methyl-prop
The thickness of e pioic acid methyl ester substrate sub-layer can be 0.02-0.08mm (such as can be 0.05mm).
It should be noted that the substrate 100 can be used directly as the shell of electronic equipment, it can also be in the substrate
It is formed after the appearances film layers such as color layers 200, will be used after itself and housing base fitting as shell on 100.That is, with reference to Fig. 5,
Shell 1000 may further include housing base 800, and one of substrate 100 far from color layers 200 is arranged in housing base 800
Side, the material for forming housing base 800 can be glass etc., form the appearances film layers such as color layers 200 on substrate 100 as a result,
Later, it can be fitted in as appearance diaphragm on housing base 800, to form complete casting of electronic device.Specifically
, when supporing shell of the substrate 100 directly as electronic equipment, the thickness of the substrate 100 can be thicker, such as substrate
100 thickness can be 0.5-0.8mm；It is subsequent also by itself and housing base when substrate 100 is only for forming appearance diaphragm
When 800 (such as glass) are bonded, the thickness of substrate 100 can be relatively thin, such as the thickness of substrate 100 can be 0.05-0.2mm
Deng.
According to some examples of the application, with reference to Fig. 1, color layers 200 are formed in the side of substrate 100, specifically, can be with
Color layers 200 are formed by modes such as silk-screen, offset printings.Specifically, the thickness of color layers 200 is not particularly limited, such as color
The thickness of layer 200 can be 5-10 μm, such as can be 6 μm, can be 7 μm, can be 8 μm, can be 9 μm etc..Color layers
200 thickness can make shell 1000 have good color effects in above range.
According to some examples of the application, the part of the surface of substrate 100, in other words, color layers is arranged in color layers 200
There is hollowed out area, which is the patterns such as LOGO of shell area in 200.Specifically, the hollowed out area
Shape etc. is not particularly limited, such as hollowed out area may include at least one of number, letter, pattern etc..As a result, by pair
The shape of hollowed out area is designed, patterns such as available type LOGO abundant etc..Specifically, the formation side of hollowed out area
Method is not particularly limited, such as the color layers 200 of formation can be enabled to cover lining by the position etc. of the color ink of control silk-screen
The part of the surface at bottom 100, i.e., direct silk-screen form the color layers 200 with hollowed out area；It can also first be formed on the substrate whole
Then layer color ink layer enables the part of the surface of the covering substrate 100 of color layers 200, i.e., in color layers 200 by etching processing
Form hollowed out area；Masking film etc. can also be formed on the substrate in advance, i.e., in advance to the area for not needing setting color layers 200
Domain (i.e. hollowed out area) is blocked, subsequent the step of carrying out silk-screen color ink again, and after the completion of silk-screen, masking film is gone
It removes, forms the color layers 200 of covering 100 part of the surface of substrate (i.e. with the color layers 200 of hollowed out area).
According to some examples of the application, with reference to Fig. 1, the same of substrate 100 is arranged in filled layer 300 and color layers 200
Side, and filled layer 300 at least covers the region that substrate 100 is not covered by color layers 200, such as filled layer 200 can just cover
The region that cover lining bottom 100 is not covered by color layers 200.Specifically, filled layer 300 can be transparent, or opaque
, when filled layer 300 has color, the color of filled layer 300 and the color of color layers 200 be not identical.The filled layer as a result,
The color of 300 corresponding positions is different from the color in other regions of shell, therefore, can form the figure such as highlighted LOGO
Case.Specifically, the forming material of filled layer 300 is not particularly limited, for example, filled layer 300 can be and be formed by transparent glue
, or can be and formed by the color ink different with the color of color layers 200.Specifically, when filled layer 300 by and face
When the different color ink of the color of chromatograph 200 is formed, which can be presented filled layer in 300 corresponding position of filled layer
300 and film plating layer 500 color and luster effect, form the patterns such as good LOGO of appearance.
According to some examples of the application, filled layer 300 and UV transfer printing layer 400 can be by same material synchronize formed
's.Specifically, filled layer 300 and UV transfer printing layer 400 can all be transparent.Specifically, the part of the surface in substrate 100 is formed
After color layers 200, UV glue can be transferred far from the side of substrate 100 in color layers 200, UV glue can be filled not by color layers
The surface of the substrate 100 of 200 coverings, and UV transfer printing layer 400 is formed far from the side of substrate 100 in color layers 200.As a result,
It without independently forming filled layer 300, can synchronize to form filled layer 300 when forming UV transfer printing layer 400, as a result, further letter
Changed production technology, and filled layer 300 be it is transparent, which can be presented film plating layer in the filled layer corresponding position
500 color and luster effect forms the patterns such as the good LOGO of appearance.Specifically, filled layer 300 can not have line
Reason, UV transfer printing layer 400 have texture.Alternatively, filled layer 300 also can have texture, the texture and UV transfer printing layer of filled layer 300
400 texture can be identical, can not also be identical.
According to some examples of the application, with reference to Fig. 1, color layers 200 are arranged in far from substrate 100 in UV transfer printing layer 400
Side, and UV transfer printing layer 400 covers color layers 200 and filled layer 300.The UV transfer printing layer 400 can be such that shell 1000 has as a result,
Good grain effect, and after the UV transfer printing layer 400 and the superposition of film plating layer 500, colourful light variation can be formed
Effect further improves the appearance and product expressive force of shell 1000.Specifically, UV transfer printing layer 400 can be and pass through
Transfer what UV glue was formed, the material for forming UV glue may include polyurethane acrylic resin etc..Specifically, UV transfer printing layer 400
Thickness can be 5-15 μm, such as can be 6 μm, can be 7 μm, can be 8 μm, can be 9 μm, can be 10 μm, can be with
It is 12 μm, can is 14 μm etc..Thus, it is possible to form good UV grain effect.When the thickness of UV transfer printing layer 400 is excessive,
The brittleness of UV transfer printing layer 400 is larger, is easy cracking, and service performance is poor；When the thickness of UV transfer printing layer 400 is too small, operation compared with
For difficulty, and the grain effect formed is unobvious.
Specifically, UV transfer printing layer 400 may include first part 410 and second part 420, wherein first with reference to Fig. 2
Part 410 covers color layers 200, and second part 420 covers filled layer 300.Specifically, second part 420 can have texture
Pattern can also not have textured pattern.Specifically, the UV texture of first part 410 and the UV texture of second part 420 can phases
Together, it can also be different.When the UV texture of the UV texture of first part 410 and second part 420 is not identical, can further make
The patterns such as the LOGO of formation have the brilliant metal luster effect different with shell other parts, for example, can scheme in LOGO etc.
Case area forms holographic texture or illusion-colour texture and other effects, further improves the appearance and product expressive force of shell 1000.
Specifically, when UV transfer printing layer 400 includes first part 410 and second part 420, the filled layer 300 of front can be with
There is particular color, be also possible to transparent；Filled layer 300 can have texture, or not have texture；Filled layer 300
When with texture, the texture of filled layer 300 can be identical with the texture of first part 410, alternatively, can be with second part 420
Texture it is identical, alternatively, the texture of filled layer 300 can be with the texture of first part 410 and second part 420 not phase
Together.
According to some examples of the application, with reference to Fig. 1, film plating layer 500 is formed in UV transfer printing layer 400 far from color layers 200
Side.Specifically, the forming method of film plating layer 500 is not particularly limited, such as it can be and pass through physical vaporous deposition
(PVD) it is formed, is also possible to through Vacuum Coating method, such as the non-conductive coating method of vacuum (NVCM is formed).Specifically, shape
It is not particularly limited at the material of film plating layer 500, such as may include In/Sn, TiO2、NbO2、Nb2O3、Nb2O2、Nb2O5、
SiO2、ZrO2At least one of.Specifically, film plating layer 500 may include that multiple plated film sub-layers being stacked (are not shown in figure
Out), it can in side of the UV texture layer 400 far from color layers 200, be respectively formed a variety of in mentioned-above material, shape
At multiple plated film sub-layers of stacking, the film plating layer 500 is formed.It should be noted that when filled layer 300 is formed by transparent material
When, the color and metallic luster of film plating layer 500 is only presented in the shell (i.e. the patterns such as LOGO of shell area) of 300 corresponding position of filled layer
Therefore effect can have 500 material of film plating layer of particular color by selecting, have the patterns such as the LOGO to be formed specific
Color.For example, making the patterns such as LOGO that silver color be presented if necessary, then In or In-Sn material can be selected to form film plating layer
500；Make the patterns such as LOGO that the color effects such as blue or purple be presented if necessary, then can select TiO2、NbO2、Nb2O3、
Nb2O2、Nb2O5、SiO2、ZrO2Equal materials form film plating layer 500.
It specifically, the thickness of film plating layer 500 can be 5-300nm, such as can be 10nm, can be 50nm, Ke Yiwei
100nm can be 120nm, can be 150nm, can be 200nm, can be 250nm etc., the thickness of film plating layer 500 is above-mentioned
When range, it can make the shell that there is good metallic luster effect.
According to some examples of the application, with reference to Fig. 3, shell 1000 may further include base layer 600, base layer
600 are arranged in side of the film plating layer 500 far from UV transfer printing layer 400, and the light transmission rate of base layer 600 is not more than 1%.As a result, should
When shell 1000 is in electronic equipment, base layer 600 can block the element etc. of electronic equipment internal, further increase this
The service performance of shell 1000.Specifically, base ink, example can be printed far from the side of UV transfer printing layer 400 in film plating layer 500
Such as black ink, white ink form base layer 600.Specifically, the thickness of base layer 600 can be 10-30 μm, such as
Can be 12 μm, can be 15 μm, can be 20 μm, can be 25 μm etc., when base layer 600 thickness in above range,
The element that electronic equipment internal can preferably be blocked, further increases the service performance of the shell 1000.
According to some examples of the application, with reference to Fig. 4, shell 1000 may further include hardened layer 700, hardened layer
700 are arranged in side of the substrate 100 far from color layers 200.Hardened layer 700 can further enhance the hard of shell 1000 as a result,
Degree etc. improves the service performance of shell 1000.Specifically, can be in side showering hardened layer of the substrate 100 far from color layers 200
Material, and hardened layer 700 is formed by the cured mode of UV.Specifically, the material for forming hardened layer 700 may include polyurethane
Acrylate adds at least one of organic siliconresin and perfluoropolyether acrylate.Specifically, the thickness of hardened layer can be
3-30 μm, such as can be 5 μm, it can be 8 μm, can be 10 μm, can be 15 μm, can be 20 μm, can be 25 μm etc..
Specifically, the hardness of hardened layer 700 can be 3-6H.Specifically, the component of the material of hardened layer 700 can be formed by controlling
And thickness, the hardness of hardened layer 700 is adjusted, the thickness of hardened layer 700 is bigger, and hardness is higher.Specifically, the thickness of hardened layer 700
Degree and hardness etc. can be adjusted according to the material, thickness, hardness etc. of substrate 100, as long as making finally formed shell
1000 have good hardness and service performance.
In summary, in the shell 1000,300 corresponding position of filled layer can form the figure such as good LOGO of appearance
Case, and the metallic luster effect of the patterns such as the LOGO and film plating layer 500 can be formed by a coating process, save production
Process and production cost improve the appearance power of shell 1000.
In the another aspect of the application, present applicant proposes a kind of methods for preparing shell.Some according to the application show
The shell of example, this method preparation can be to be mentioned-above, and the shell of this method preparation has mentioned-above shell institute as a result,
The whole features and effect having, details are not described herein.Generally speaking, this method is by making the color layers to be formed cover substrate
Part of the surface, and not by color layers cover substrate surface formed filled layer, which, which can be presented, fills out
The color and metallic luster effect of layer and film plating layer superposition are filled, and color layers and film plating layer etc. can be presented in color layers corresponding position
The appearance of superposition, so that the metallic luster effect of the patterns such as LOGO and shell is only achieved that by a coating process,
Lower production costs have saved production process, and the patterned appearances such as the shell formed and LOGO work well, product expressive force
By force.
According to some examples of the application, with reference to Fig. 6, this method comprises:
S100: substrate is provided
In this step, substrate is provided.According to some examples of the application, substrate can be to be mentioned-above, such as shape
Material at substrate may include polycarbonate (PC), polymethyl methacrylate (PMMA), polyethylene terephthalate
(PET) and at least one of thermoplastic polyurethane (TPU), the thickness of substrate can be 0.05-0.8mm etc..
S200: forming color layers, and color layers cover the part of the surface of substrate
In this step, color layers are formed in the side of substrate, color layers cover the part of the surface of substrate.
According to some examples of the application, the first color ink (such as silk-screen or offset printing can be printed in the side of substrate
First color ink etc.), and the position of the first color ink of printing is controlled, to form color in the part of the surface of substrate
Layer.Specifically, can use the position of the first color ink of the controls such as the film in silk-screen or offset printing equipment printing, serving as a contrast
The part of the surface at bottom forms color layers, makes have hollowed out area in the color layers to be formed.
According to other examples of the application, the first color ink can be printed in the side of substrate, and to the of printing
One color ink performs etching processing, to form color layers in the part of the surface of substrate.Specifically, can be first the one of substrate
The first color ink of flood is printed in side, and by the processing such as baking-curing, then passes through etching (such as laser carving etc.) removal lining
The first color ink of part of bottom surface, to form color layers in the part of the surface of substrate.
According to the other example of the application, protective layer can be set in the part of the surface of substrate in advance, such as can set
It sets masking film (such as PET film piece), or (" protection ink " i.e. subsequent printing or dip dyeing form color layers to coating protection ink
When, the surface of the protection ink will not adhere to the first color ink), form protective layer；Then first is formed in the side of substrate
Color ink (such as disseminating the first color ink), the first color ink cover the substrate of unprotected layer covering, go again later
Except protective layer, color layers are formed in the part of the surface of substrate.
According to some examples of the application, in the mentioned-above method for forming color layers, the first color ink is formed
Material may include polyurethane；When printing forms color layers, web plate mesh number can be 200-420 mesh, the baking temperature after printing
It can be 60-80 DEG C, baking time can be 20-60min.Specifically, the thickness of the color layers formed can be 5-10 μm；Shape
At color layers in the shape of hollowed out area be not particularly limited, can be number, letter, pattern etc..
S300: filled layer is formed
In this step, the surface of the substrate for not covering color layers in step forms filled layer, and filled layer in front
Color for transparent or filled layer color and color layers is not identical.According to some examples of the application, as previously mentioned, filling
Layer can be is formed by transparent glue, or be can be and formed by the color ink different with the color of color layers.Specifically
, the second color ink can be filled in hollowed out area, to form filled layer, the color of the second color ink and the first color oil
The color of ink is different.The color of the filled layer corresponding position is different from the color in other regions of shell as a result, therefore, can be with
Form the patterns such as highlighted LOGO.
S400: UV transfer printing layer is formed
In this step, color layers far from substrate side formed UV transfer printing layer, UV transfer printing layer cover color layers and
Filled layer.According to some examples of the application, UV glue can be transferred far from the side of substrate in color layers, and be carved again by mold
Etc. UV texture required for obtaining, UV solidification is then carried out, forms UV transfer printing layer.Specifically, UV glue may include polyurethane third
Olefin(e) acid ester.Specifically, can carry out UV solidification by LED light or mercury lamp, the cured energy of UV can be 800~2500mj/
cm2, such as can be 1000mj/cm2, can be 1500mj/cm2, can be 2000mj/cm2, can be 2300mj/cm2Deng.
Thus, it is possible to further increase the performance of prepared UV transfer printing layer.When UV solidification energy is too low, solidification not exclusively, influences
The binding force for the film plating layer that the binding force and UV transfer printing layer and subsequent step of UV transfer printing layer and color layers are formed.Specifically, shape
At UV transfer printing layer thickness can be 5-15 μm.The thickness of UV transfer printing layer can be formed good in above range as a result,
UV grain effect, when the thickness of UV transfer printing layer 400 is excessive, the brittleness of UV transfer printing layer 400 is larger, is easy cracking, service performance
It is poor；When the thickness of UV transfer printing layer 400 is too small, operation is more difficult, and the grain effect formed is unobvious.
Specifically, the UV transfer printing layer formed may include first part and second part, first part covers color layers, the
Two parts cover filled layer, and the UV texture of first part and the UV texture of second part can not be identical.Specifically, second part
It can have textured pattern, can also there is no textured pattern.The UV texture of first part and the UV texture of second part can phases
Together, it can also be different.Thus, it is possible to further make the patterns such as the LOGO to be formed that there is the colorful gold different with shell other parts
Belong to luster effect.Specifically, first of needs can be formed by adjusting the textured pattern etc. on the mold in transfer process
Divide the textured pattern with second part.
According to some examples of the application, in the step, it can use same material and synchronize to form mentioned-above filling
Layer and UV texture layer.That is: UV glue, the lining that the filling of UV glue is not covered by color layers can be transferred far from the side of substrate in color layers
Bottom surface, and UV glue is formed in side of the color layers far from substrate, solidifies to UV glue, forms filled layer and UV transfer
Layer.As a result, without independently forming filled layer, it can synchronize to form filled layer when forming UV transfer printing layer, further simplify life
Production. art, and the filled layer formed is transparent.
S500: film plating layer is formed
In this step, film plating layer is formed far from the side of color layers in UV transfer printing layer.According to some examples of the application,
The method of the film plating layer of formation and the film plating layer of formation can with it is previously described identical, such as can be heavy by physical vapor
Area method (PVD) or Vacuum Coating method, such as the non-conductive coating method of vacuum (NVCM) form film plating layer.The material for forming film plating layer can
To include In/Sn, TiO2、NbO2、Nb2O3、Nb2O2、Nb2O5、SiO2、ZrO2At least one of.Specifically, film plating layer can wrap
Include multiple plated film sub-layers being stacked, it can in side of the UV texture layer far from soft substrate, plated film is noted earlier respectively
Material in it is a variety of, form multiple plated film sub-layers of stacking, form the film plating layer.Specifically, when filled layer is by transparent material
When formation, the color and metallic luster effect of film plating layer is only presented in the shell (i.e. the patterns such as LOGO of shell area) of filled layer corresponding position
Therefore fruit can have the film plating layer material of particular color by selecting, have the patterns such as the LOGO to be formed specific
Color.For example, making the patterns such as LOGO that silver color be presented if necessary, then In or In-Sn material can be selected to form film plating layer.Specifically
, the thickness of film plating layer can be 5-300nm, and the thickness of film plating layer can be such that the shell of preparation has good in above range
Good metallic luster effect.
It is formed after film plating layer, this method may further include according to some examples of the application with reference to Fig. 8:
S600: base layer is formed
In this step, base ink is printed far from the side of UV transfer printing layer in film plating layer, to form base layer.According to
Some embodiments of the present application, base layer can be it is mentioned-above, such as base layer light transmission rate be not more than 1%；Base
The thickness of layer can be 10~30 μm.Specifically, can repeatedly print base in side of the film plating layer far from the UV transfer printing layer
Ink, such as black ink, white ink etc., and baking-curing is carried out, form base layer.As a result, by multiple toward overcoating
Method can further prevent base layer light leakage.
In order to further increase the service performance of prepared shell, after forming base layer, with reference to Fig. 7, this method
It may further include:
S800: hot-forming processing is carried out
In this step, hot-forming processing is carried out to the shell formed in preceding step, to be formed with radian
Shell.Specifically, the temperature of hot-forming processing can be 130-240 DEG C, briquetting pressure can be 15-100Bar, when hot pressing
Between can be 0.3-2min.The appearance of prepared shell is further enriched as a result,.
S700: hardened layer is formed
In this step, hardened layer is formed far from the side of color layers in substrate.According to some examples of the application, hardening
Layer can with it is previously described identical, for example, layer material can be hardened far from the side showering of color layers in substrate, and pass through UV
Cured mode forms hardened layer, and the cured energy of UV can be 400~1200mj/cm2, such as can be 600mj/cm2, can
Think 800mj/cm2, can be 1000mj/cm2Deng.Specifically, the material for forming hardened layer may include urethane acrylate
Add at least one of organic siliconresin and perfluoropolyether acrylate.Specifically, the thickness of hardened layer can be 3-30 μm, firmly
The hardness for changing layer can be 3-6H, and hardened layer can further enhance the hardness etc. of prepared shell as a result, prepared by raising
Shell service performance.
It can be further to system after forming hardened layer in order to further increase the service performance of prepared shell
Standby shell carries out cutting process, such as CNC (numerical control processing) processing, removes extra leftover pieces etc., obtains with specific
The shell of the suitable assembly of size and shape.
In summary, this method passes through the part of the surface for making the color layers to be formed cover substrate, does not cover color layers
The surface of substrate forms filled layer, which can be presented the color and metal light of filled layer and film plating layer superposition
Damp effect, and the appearance of the superpositions such as color layers and film plating layer can be presented in color layers corresponding position, thus only by once plating
Membrane process is achieved that the metallic luster effect of the patterns such as LOGO and shell, lower production costs have saved production process, and shape
At shell and the patterned appearances such as LOGO work well, product expressive force is strong.
In the another aspect of the application, present applicant proposes a kind of electronic equipment.According to some examples of the application, ginseng
Fig. 9 is examined, which includes: shell, mainboard prepared by mentioned-above shell 1000 or mentioned-above method
And memory, screen (not shown), housing unit 1000 limit accommodation space, the appearance diaphragm of housing unit 1000
(not shown) is arranged towards the inside of electronic equipment, and mainboard and memory are located inside accommodation space, and screen setting exists
It is connected in accommodation space and with mainboard.The electronic equipment 1100 has mentioned-above housing unit 1000 or front institute as a result,
Whole feature and advantage possessed by housing unit prepared by the method stated, details are not described herein.Generally speaking, the electronics
1100 appearance of equipment is good, and product expressive force is strong.
Illustratively, electronic equipment can be various types of departments of computer science that are mobile or portable and executing wireless communication
Any one of equipment of uniting.Specifically, electronic equipment can be mobile phone or smart phone (for example, being based on iPhone
TM, the phone based on Android TM), portable gaming device (such as Nintendo DS TM, PlayStation
Portable TM, Gameboy Advance TM, iPhone TM), laptop computer, PDA, portable Internet appliance, sound
Happy player and data storage device, other handheld devices and such as wrist-watch, In-Ear Headphones, pendant, headphone
It can also be other wearable devices (for example, such as electronic glasses, electronics clothes, electronics bracelet, electronics Deng, electronic equipment
Necklace, electronics tatoo, the headset equipment (HMD) of electronic equipment or smartwatch).
Electronic equipment can also be that any one of multiple electronic equipments, multiple electronic equipments include but is not limited to honeycomb
Phone, smart phone, other wireless telecom equipments, personal digital assistant, audio player, other media players, music note
It records device, video recorder, camera, other medium recorders, radio, Medical Devices, vehicle transport instrument, calculator, may be programmed
Remote controler, pager, laptop computer, desktop computer, printer, netbook computer, personal digital assistant (PDA), just
Formula multimedia player (PMP), Motion Picture Experts Group (MPEG-1 or MPEG-2) audio layer 3 (MP3) player are taken, it is portable
Medical Devices and digital camera and combinations thereof.
It is illustrated below by scheme of the specific example to the application, it should be noted that example below is only used
In illustrating the application, and it should not be regarded as limiting scope of the present application.Particular technique or condition are not specified in example, according to ability
Technology or conditions described in document in domain are carried out according to product description.
Example 1
(1) in the folded substrate formed of polycarbonate and polymethyl methacrylate layers, (polycarbonate gathers with a thickness of 0.59mm
Methyl methacrylate with a thickness of 0.05mm) on print color ink, control the position of the color ink of printing, make to be formed
Color layers cover substrate surface partial region, color layers with a thickness of 8 μm；
(2) filled layer is formed in the area filling UV glue that substrate surface is not covered by color layers, and in color layers far from lining
Bottom according to side transfer UV glue, formed UV transfer printing layer, UV transfer printing layer with a thickness of 10 μm；
(3) film plating layer, film plating layer material are formed far from the side of color layers in UV transfer printing layer by the non-conductive galvanoplastic of vacuum
Matter is In, film plating layer with a thickness of 18nm；
(4) in side process black base ink of the film plating layer far from UV transfer printing layer, base layer is formed, being formed has LOGO
The shell (area LOGO, that is, filled layer corresponding region) in area.
Comparative example 1
With silk-screen mirror-like silver ink on the identical substrate of example 1, formed LOGO.
Comparative example 2
With silk-screen mirror-like silver ink on the identical substrate of example 1, formed LOGO, then on the substrate with LOGO according to
It is secondary to form color layers, UV transfer printing layer, film plating layer and base layer (color layers, UV transfer printing layer, film plating layer and the base layer of formation
Parameter and example 1 it is identical).
Performance test
(1) shell formed to example 1 and comparative example 1 carries out reliability test: shell first being carried out boiling, is taken the photograph 100
Boiling 30 minutes under family name's degree, then carry out hundred lattice tests.Mirror-like silver ink of the shell in comparative example 1 after boiling, in grid
It falls off；Shell in example 1 is through boiling and then when carrying out the test of hundred lattice, test result 5B.Therefore, the above results show
The adhesive force of the LOGO formed in the application using plated film is good, high reliablity.
(2) surface gloss of the LOGO of the shell formed to example 1 and comparative example 2 is tested: using LS192 table
The glossiness in face vancometer or the BYK surface gloss tester test area LOGO, measurement angle select 60 °.In order to facilitate instrument
Device test and the accuracy for guaranteeing measurement data need to guarantee that test section size is greater than 30mm*30mm.Test result is as follows:
The glossiness for measuring the area plated film LOGO in example 1 is 600-800GU, and the area mirror-like silver LOGO in comparative example 2
Glossiness is 300-400GU.
The glossiness on test result surface, the area LOGO of the method preparation in the application is substantially better than through silk-screen mirror-like silver
The LOGO pattern of the method preparation of ink, the LOGO of this method preparation has preferable appearance power, and brightness is sufficiently high, can
Stablize by property, and save manufacture craft, reduces production cost.
Presently filed embodiment is described in detail above, still, the application be not limited to the above embodiment in tool
Body details can carry out a variety of simple variants to the technical solution of the application, these letters in the range of the technology design of the application
Monotropic type belongs to the protection scope of the application.It is further to note that as described in the above specific embodiments each
A particular technique feature can be combined in any appropriate way in the case of no contradiction.
In the description of this specification, the description of reference term " example ", " some examples " etc. mean combine the example or
Example particular features, structures, materials, or characteristics described are contained at least one example or example of the application.In this theory
In bright book, schematic expression of the above terms are necessarily directed to identical example or example.Moreover, the specific spy of description
Sign, structure, material or feature can be combined in any suitable manner in any one or more examples or example.In addition, not
In the case where conflicting, those skilled in the art can be by different examples described in this specification or example and difference
Example or exemplary feature are combined.
Although the example of the application has been shown and described above, it is to be understood that above-mentioned example is exemplary,
Should not be understood as the limitation to the application, those skilled in the art within the scope of application can to above-mentioned example into
Row change, modification, replacement and modification.
Claims (18)
1. a kind of shell characterized by comprising
Substrate；
The side of the substrate is arranged in color layers, the color layers, and the color layers cover the part of the surface of the substrate；
The same side of the substrate is arranged in filled layer, the filled layer and the color layers, and the filled layer at least covers
The region that the substrate is not covered by the color layers, the filled layer are the color and the face of the transparent or described filled layer
The color of chromatograph is not identical；
UV transfer printing layer, side of the color layers far from the substrate is arranged in the UV transfer printing layer, and covers the color layers
With the filled layer；
The side of the UV transfer printing layer far from the color layers is arranged in film plating layer, the film plating layer.
2. shell according to claim 1, which is characterized in that the material for forming the substrate includes polycarbonate, poly- first
At least one of base methyl acrylate, polyethylene terephthalate and thermoplastic polyurethane；
Optionally, the substrate with a thickness of 0.05-0.8mm.
3. shell according to claim 1, which is characterized in that the color layers with a thickness of 5-10 μm.
4. shell according to claim 1, which is characterized in that the UV transfer printing layer includes first part and second part,
The first part covers the color layers, and the second part covers the filled layer, the UV texture of the first part and
The UV texture of the second part is not identical.
5. shell according to claim 1, which is characterized in that the filled layer and the UV transfer printing layer are by same material
Synchronous formation.
6. shell according to claim 1, which is characterized in that the UV transfer printing layer with a thickness of 5-15 μm.
7. shell according to claim 1, which is characterized in that the film plating layer with a thickness of 5-300nm；
Optionally, the material for forming the film plating layer includes In/Sn, TiO2、NbO2、Nb2O3、Nb2O2、Nb2O5、SiO2、ZrO2's
At least one；
Optionally, the film plating layer includes multiple plated film sub-layers being stacked.
8. shell according to claim 1, which is characterized in that further comprise:
Side of the film plating layer far from the UV transfer printing layer is arranged in base layer, the base layer, and the light of the base layer is saturating
Rate is crossed no more than 1%；
Optionally, base layer with a thickness of 10-30 μm；
Optionally, the material for forming the base layer includes at least one of black ink and white ink.
9. shell according to claim 8, which is characterized in that further comprise:
Side of the substrate far from the color layers is arranged in hardened layer, the hardened layer；
Optionally, the material for forming the hardened layer includes: urethane acrylate addition organic siliconresin and perfluoropolyether third
At least one of olefin(e) acid ester；
Optionally, the hardened layer with a thickness of 3-20 μm；
Optionally, the hardness of the hardened layer is 3-6H.
10. shell according to claim 1, which is characterized in that further comprise:
Side of the substrate far from the color layers is arranged in housing base, the housing base；
Optionally, the material for forming the housing base includes glass.
11. a kind of method for preparing shell characterized by comprising
Substrate is provided；
Color layers are formed in the side of the substrate, the color layers cover the part of the surface of the substrate；
Form filled layer in side of the substrate with the color layers, the filled layer at least cover the substrate not by
The region of color layers covering, the filled layer be the transparent or described filled layer color and the color layers color not
It is identical；
Form UV transfer printing layer far from the side of the substrate in the color layers, the UV transfer printing layer cover the color layers and
The filled layer；
Film plating layer is formed far from the side of the color layers in the UV transfer printing layer.
12. according to the method for claim 11, which is characterized in that the formation color layers are realized by following step
:
The substrate side print the first color ink, control the position of first color ink of printing, so as to
The part of the surface of the substrate forms the color layers；
Alternatively, printing the first color ink in the side of the substrate, and first color ink of printing is performed etching
Processing, to form the color layers in the part of the surface of the substrate；
Alternatively, protective layer is arranged in the part of the surface in the substrate, the first color ink is formed in the side of the substrate, it is described
First color ink covers the substrate not covered by the protective layer, the protective layer is removed, so as in the substrate
Part of the surface forms the color layers；
Optionally, the protective layer includes masking film or protection ink.
13. according to the method for claim 12, which is characterized in that the color layers of formation with a thickness of 5-10 μm；
Optionally, the material for forming first color ink includes polyurethane；
Optionally, when forming the color layers, web plate mesh number is 200-420 mesh, and baking temperature is 60-80 DEG C, and baking time is
20-60min。
14. according to the method for claim 12, which is characterized in that the formation filled layer further comprises:
In the second color ink of area filling that the substrate is not covered by the color layers, the color of second color ink
It is not identical with the color of first color ink.
15. according to the method for claim 11, which is characterized in that the filled layer and the UV transfer printing layer are once to be formed
's.
16. according to the method for claim 15, which is characterized in that form the filled layer and form the UV transfer printing layer
Further comprise:
UV glue is transferred far from the side of the substrate in the color layers, the UV glue is filled in the substrate not by the color
The region of layer covering, and the UV glue is formed in side of the color layers far from the substrate, solidifies to the UV glue,
Form the filled layer and the UV transfer printing layer；
Optionally, the UV transfer printing layer includes first part and second part, and the first part covers the color layers, described
Second part covers the filled layer, and the UV texture of the first part and the UV texture of the second part be not identical；
Optionally, the cured energy of the UV is 800-2500mj/cm2；
Optionally, the UV glue includes urethane acrylate；
Optionally, the UV transfer printing layer of formation with a thickness of 5-15 μm.
17. according to the method for claim 11, which is characterized in that the formation film plating layer includes:
By vacuum plater in the side of the UV transfer printing layer far from the color layers, the film plating layer is formed；
Optionally, the film plating layer of formation with a thickness of 5-300nm；
Optionally, the material for forming the film plating layer includes In/Sn, TiO2、NbO2、Nb2O3、Nb2O2、Nb2O5、SiO2、ZrO2's
At least one；
Optionally, the film plating layer includes multiple plated film sub-layers being stacked.
18. a kind of electronic equipment characterized by comprising
Shell prepared by the described in any item shells of claim 1-10 or the described in any item methods of claim 11-17,
The shell limits accommodation space；
Mainboard and memory, the mainboard and memory are located inside the accommodation space；And
Screen, the screen setting are connected in the accommodation space, and with the mainboard.
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