CN110154473A

CN110154473A - Shell and preparation method thereof and electronic equipment

Info

Publication number: CN110154473A
Application number: CN201910463564.1A
Authority: CN
Inventors: 晏刚; 杨光明
Original assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Current assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date: 2019-05-30
Filing date: 2019-05-30
Publication date: 2019-08-23

Abstract

The present invention relates to a kind of shell and preparation method thereof and electronic equipments.A kind of shell, including transparent substrate, dyeing film and transparent adhesive layer, dyeing film is arranged on the transparent substrate, and between transparent substrate and dyeing film layer, adhesive layer is used for dyeing film adherency on the transparent substrate for adhesive layer setting.The production yield of above-mentioned shell is higher.

Description

Shell and preparation method thereof and electronic equipment

Technical field

The present invention relates to the production fields of electronic equipment, set more particularly to a kind of shell and preparation method thereof and electronics It is standby.

Background technique

As people to the continuous exploration of beauty and pursue, conventional monochrome, matte effect gradually aestheticly tired, colorful face Color gradual change is increasingly becoming trend.In order to realize that the scheme of colorful color has spraying, dip dyeing, offset printing and color on phone housing Band thermal transfer, current most important scheme are dip dyeing.The mode of dip dyeing is the surface transfer or silk-screen hyaline layer in substrate, then Directly the substrate for being formed with hyaline layer is dyed to realize colorful color, this makes the quality of hyaline layer dramatically shadow Ring the quality of dip dyeing.And transfer or silk-screen hyaline layer often has some very tiny a bubbles or impurity, bubble and Impurity can not be caught color, and it is uneven to will cause dyeing, meanwhile, this dip dyeing mode can also pollute subsequent handling processing procedure (such as Surface hardened layer) medicament and influence shell performance, directly affect production yield.

Summary of the invention

Based on this, it is necessary to provide a kind of higher shell of production yield.

In addition, also providing the production method and electronic equipment of a kind of shell.

A kind of shell, including transparent substrate, dyeing film and transparent adhesive layer, the dyeing film is arranged in the transparent base On plate, the adhesive layer is arranged between the transparent substrate and the dyeing film layer, and the adhesive layer is used for the dyeing Film is adhered on the transparent substrate.

The dyeing film of above-mentioned shell is adhered on the transparent substrate by adhesive layer, then, it is transparent dyeing film to be adhered to It can be by the dyeing film of selection qualified (bubble and impurity are few), compared to traditional transfer or the hyaline layer of silk-screen before substrate (the usually hyaline layer of transfer or silk-screen is easy to produce bubble and impure point, and for some very tiny bubbles or impurity, Discovery when usually will be uneven after hyaline layer dyeing and directly result in and scrap, directly affect production yield) after the side that dyes again It is higher to generate yield, and is not easy to result in waste of resources for formula.

If not only needing injection moulding apparatus, but also Shooting Technique pair directly by the material injection of transparent substrate on dyeing film The affecting parameters of injection-molded item are more, are also easy to produce bad products, if the product obtained after injection molding is unqualified, will lead to dyeing film It scraps, results in waste of resources therewith, directly affect yield, and the dyeing film of above-mentioned shell is by being arranged in transparent substrate and dyeing Adhesive layer between film adheres on the transparent substrate, relative to the side directly by the material injection of transparent substrate on dyeing film Formula, production can be simpler, and production yield can be higher, and the production of above-mentioned shell advantageously reduces cost without using injection moulding apparatus； Furthermore it is also possible to by choosing qualified transparent substrate before dyeing film is adhered to transparent substrate, it can be to a certain degree Upper raising production yield.

A kind of production method of shell, includes the following steps:

Diaphragm is dyed, dyeing film is obtained；

The dyeing film and transparent substrate are bonded using adhesive, obtain shell.

The production method of above-mentioned shell by the way that first diaphragm is dyed, then using adhesive by obtained dyeing film with it is transparent Substrate bonding, i.e. dyeing film have just been dyed before setting is on the transparent substrate, are turned on the transparent substrate relative to traditional It the problem of mode dyed again after print or silk-screen hyaline layer, there is no coloring agent pollution transparent substrates, therefore, will not pollute subsequent The hardened layer of production is conducive to improve production yield；Furthermore it is also possible to by being selected before dyeing film is adhered to transparent substrate The diaphragm for taking qualified (bubble and impurity are few), relative to directly being dyed after transfer or silk-screen hyaline layer again on the transparent substrate, also Production yield can be improved to a certain extent；Meanwhile compared to transfer or the hyaline layer of silk-screen, the bubble and impurity of diaphragm are very It is few, be conducive to level dyeing, so that the color of shell is more uniform.

A kind of electronic equipment, the shell including the production of the production method of above-mentioned shell or above-mentioned shell.

Due to the shell for the production method production that the shell of above-mentioned electronic equipment is above-mentioned shell or above-mentioned shell, so that should The shell color of electronic equipment is more uniform, and service life is longer.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the shell of an embodiment；

Fig. 2 is the production flow diagram of the shell of an embodiment；

Fig. 3 is the dip dyeing operation chart of the diaphragm in the manufacturing process of shell shown in Fig. 2.

Specific embodiment

To facilitate the understanding of the present invention, a more comprehensive description of the invention is given in the following sections with reference to the relevant attached drawings.In attached drawing Give preferred embodiment of the invention.But the invention can be realized in many different forms, however it is not limited to herein Described embodiment.On the contrary, purpose of providing these embodiments is keeps the understanding to the disclosure more saturating It is thorough comprehensive.

Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool The purpose of the embodiment of body, it is not intended that in the limitation present invention.

As shown in Figure 1, the shell 100 of an embodiment, can be used as the shell of electronic equipment, such as mobile phone or plate electricity The rear cover or center of brain.The shell 100 include transparent substrate 110, dyeing film 120, transparent adhesive layer 130, pattern layer 140, Decorating unit 150 and hardened layer 160.

The material of transparent substrate 110 is transparent material commonly used in the art.Specifically, transparent substrate 110 is polycarbonate With polymethyl methacrylate composite substrate (PC/PMMA composite substrate), polyethylene terephthalate and polymethylacrylic acid Methyl esters composite substrate (PET/PMMA composite substrate), polycarbonate substrate (PC plate), polyethylene terephthalate substrate (PET Plate) or glass substrate.Herein, "/" is to be expressed as stratiform.

In one of the embodiments, transparent substrate 110 with a thickness of 0.25 millimeter~0.8 millimeter.It is appreciated that transparent The thickness of substrate 110, which can according to need, to be adjusted.

Dyeing film 120 is arranged on transparent substrate 110.Wherein, dyeing film 120 is prestained diaphragm, i.e. dyeing film 120 It has just been dyed before being arranged on transparent substrate 110, it is transparent relative to traditional transfer or silk-screen on transparent substrate 110 The problem of mode dyed again after layer directly uses prestained diaphragm, and there is no coloring agent pollution transparent substrate 110；In addition, The dyeing film of the selection qualified (bubble and impurity are few) before dyeing film 120 is adhered to transparent substrate 110 can also be passed through 120, it is dyed again after transfer or silk-screen hyaline layer relative to directly on transparent substrate 110, additionally it is possible to improve to a certain extent Production yield；Meanwhile compared to transfer or the hyaline layer (would generally bubble and impure point) of silk-screen, the bubble and impurity of diaphragm are very It is few, be conducive to level dyeing.

Second that there is the first color area on dyeing film 120 in one of the embodiments, and connect with the first color area Color area；From the side close to the second color area to the side far from the second color area, the color in the first color area is in gradual change type Variation；From the side close to the first color area to the side far from the first color area, the color in the second color area is in gradual change type change Change.Further, from the side close to the second color area to the side far from the second color area, the color in the first color area is gradually Deepen；From the side in close first color area to the side far from the first color area, the color in the second color area is gradually deepened.By It is usually dyed by way of dip dyeing in dyeing film 120, above-mentioned dyeing film 120 can realize two kinds of gradual changes simplerly The production of color.

It is appreciated that the first color area and the second color area can not also in the manner described above, in other embodiments, from Close to the side to the side far from the second color area in the second color area, the color in the first color area is gradually become shallower as；From close to the The side in one color area to the side far from the first color area, the color in the second color area gradually become shallower as.Alternatively, from close to second The side in color area to the side far from the second color area, the color in the first color area are gradually deepened；From close to the first color area Side to the side far from the first color area, the color in the second color area gradually becomes shallower as, etc..And the color of dyeing film 120 The number in area, which can according to need, is set.

Dyeing film 120 has dyeing face 122 and the non-staining face opposite with dyeing face 122 in one of the embodiments, 124, dye one in face 122 and non-staining face 124 towards with transparent substrate 110.So, from the dyeing face of dyeing film 120 122 see, from the side close to the second color area to the side far from the second color area, the color in the first color area is in gradual change type change Change；From the side close to the first color area to the side far from the first color area, the color in the second color area is in gradual change type variation. It is appreciated that in other embodiments, dyeing film 120 or two opposite surfaces are dyeing face 122.

The material of diaphragm is polycarbonate (PC) or thermoplastic polyurethane elastomer rubber in one of the embodiments, (TPU), two kinds of diaphragms are compared with easy dyeing, and dye more uniform.It is appreciated that the material of diaphragm is not limited to above-mentioned material, The material of diaphragm can also be other transparent organic matters, such as PET, PMMA etc., however, PET and PMMA compared to PC and TPU, it is more difficult to paint.

In one of the embodiments, diaphragm with a thickness of 0.05 millimeter~0.25 millimeter, under the premise of easy to make, The thickness of diaphragm should be thin as much as possible, and diaphragm is blocked up to generate biggish stress, is not easy to fit with transparent substrate 110, and film The too thin operation in the production process (such as dyeing etc.) of the thickness of piece is inconvenient, and the thickness of diaphragm is selected as 0.05 millimeter~0.25 Millimeter can not only be convenient for the operation of manufacturing process, and can ensure steadily to fit together with transparent substrate 110.It can To understand, if diaphragm too it is thin can by the side in the non-staining face 124 of diaphragm cover it is thick and hard protective film solves to grasp Make inconvenient problem.

It is appreciated that the thickness of diaphragm can according to need and be adjusted.

Adhesive layer 130 is arranged between transparent substrate 110 and dyeing film 120, and adhesive layer 130 is for gluing dyeing film 120 It is attached on transparent substrate 110.I.e. dyeing film 120 is directly adhered on transparent substrate 110 by adhesive layer 130.Specifically, adhesive layer 130 bond one in the dyeing face 122 and non-staining face 124 of dyeing film 120 with transparent substrate 110.Preferably, adhesive layer 130 bond in the non-staining face 124 of dyeing film 120 with transparent substrate 110, since what current most of adhesive layer 130 used glues Knot agent all will cause corrosion to the dyeing face 122 of dyeing film 120, lead to the color change of dyeing film 120.If the binder used Will not the dyeing face 122 to dyeing film 120 cause to corrode, can by adhesive layer 130 by the dyeing face 122 of dyeing film 120 and thoroughly Bright substrate 110 bonds.If two opposite surfaces of dyeing film 120 are dyeing face 122, selection will not make dyeing film 120 At the binder of corrosion.

Adhesive layer 130 can be transparent adhesive commonly used in the art.Specifically, adhesive layer 130 is UV glue-line or heat Curable type glue-line.Wherein, the material of UV glue-line is UV glue or OCA glue film.Transparent substrate 110 in one of the embodiments, Material for glass substrate, adhesive layer 130 is OCA film, and relative to UV glue or heat curing type glue, OCA film is more suitable The stickup of the dyeing film of glass substrate.

In one of the embodiments, adhesive layer 130 with a thickness of 5 microns~30 microns.Adhesive layer 130 is too thin, bonding Power is weaker, is easy to cause during subsequent high pressure brake forming and cracks between transparent substrate 110 and dyeing film 120；Adhesive layer 130 After more, cohesive force is bigger, is conducive to the stabilization of binding force, but the uniformity (stability) of the too thick degree of adhesive layer 130 is more difficult Control.

Pattern layer 140 is between transparent substrate 110 and dyeing film 120.Adhesive layer 130 is close by transparent substrate 110 The side of pattern layer 140 and dyeing film 120 bond.Pattern layer 140 is pattern, such as LOGO etc..Specifically in the reality of diagram Apply in example, pattern layer 140 is housed in adhesive layer 130, adhesive layer 130 by pattern layer 140 and 120 interlayer of dyeing film every.

Pattern layer 140 is mirror surface silver layer in one of the embodiments, and transparent substrate 110 is arranged in pattern layer 140 On a side surface of dyeing film 120, since mirror surface silver layer is usually that (the silk screen is prepared by mirror-like silver ink printing Printing the one side that the mirror surface silver layer being prepared is usually close basal layer is wet look, and the side far from basal layer is coarse Dumb light state is presented in face), it is formed on a side surface of transparent substrate 110, the pattern layer enabled to is from transparent substrate 110 sides far from dyeing film 120, which are seen, has preferably glossiness.It is appreciated that pattern layer 140 is not limited to mirror surface silver layer, It can also be other materials, pattern layer 140 can also be electroplated layer, at this point, pattern layer 140 can be set in transparent substrate 110 On, it also can be set on dyeing film 120, because the two sides of electroplated layer all has preferable glossiness, however mirror surface silver layer Make relatively simple, and cost is relatively low.

In one of the embodiments, pattern layer 140 with a thickness of 1 micron~4 microns.It is appreciated that pattern layer 140 Thickness, which can according to need, to be configured.

The side of the separate transparent substrate 110 of dyeing film 120 is arranged in decorating unit 150.In the illustrated embodiment, it fills Adoring unit 150 includes texture layer 152, reflecting layer 154 and ink layer 156.

The side of the separate transparent substrate 110 of dyeing film 120 is arranged in texture layer 152.Texture layer 152 is transparent material. Specifically, texture layer 152 is UV transfer printing layer, and UV transfer printing layer can not only form it into grain effect, and itself have viscous Property, it can be adhered directly on dyeing film 120, and UV transfer printing layer does not have corrosiveness to dyeing film 120.

In one of the embodiments, texture layer 152 with a thickness of 5 microns~20 microns.It is appreciated that texture layer 152 It is not limited to above-mentioned thickness, the thickness of texture layer 152, which can according to need, to be adjusted.

The side of the separate dyeing film 120 of texture layer 152 is arranged in reflecting layer 154.Specifically, reflecting layer 154 is selected from oxygen Change indium tin layer, titanium dioxide layer, columbium dioxide layer, columbium sesquioxide layer, two niobium layer of titanium dioxide, niobium pentaoxide layer, titanium dioxide At least one of silicon layer and titanium dioxide zirconium layer.Reflecting layer 154 is prepared by the non-conductive plating (NCVM) of vacuum.Reflecting layer 154 can be single layer structure, or multilayered structure.

The overall thickness in reflecting layer 154 is 5 nanometers~300 nanometers in one of the embodiments, i.e., when reflecting layer 154 is When single layer structure, reflecting layer 154 with a thickness of 5 nanometers~300 nanometers, when reflecting layer 154 is multilayered structure, multilayer reflective layers 154 overall thickness is 5 nanometers~300 nanometers.It is appreciated that the thickness in reflecting layer 154 is not limited to above-mentioned thickness, reflecting layer 154 thickness, which can according to need, to be configured.

The side of the separate texture layer 152 in reflecting layer 154 is arranged in ink layer 156.Ink layer 156 be black ink layer or White ink layer.Ink layer 156 can not only protect reflecting layer 154, additionally it is possible to provide background color and shield lights, place logical It crosses shell 100 and sees internal structure and component of product etc..

In one of the embodiments, ink layer 156 with a thickness of 10 microns~30 microns.It is appreciated that ink layer 156 Thickness be not limited to above-mentioned thickness, the thickness of ink layer 156, which can according to need, to be configured.

It should be noted that decorating unit 150 is not limited to above structure, in other embodiments, texture layer 152 can be with For the optics adhesive layer without textured pattern；Alternatively, reflecting layer 154 can be omitted, at this point, ink layer 156 is formed directly into The side of texture layer 152 or optics adhesive layer far from dyeing film 120；Alternatively, decorating unit 150 is only ink layer 156, at this point, Ink layer 156 is formed in side of the dyeing film 120 far from transparent substrate 110；Alternatively, decorating unit 150 further includes basilar memebrane, line It manages layer 152 to be arranged on basilar memebrane, the side of the separate texture layer 152 of basilar memebrane and dyeing film 120 are far from transparent substrate 110 Side is adhesively fixed.

Side of the transparent substrate 110 far from dyeing film 120 is arranged in hardened layer 160.Hardened layer 160 can increase shell 100 wear-resisting property and adhesion strength.When in use, side of the hardened layer 160 far from transparent substrate 110 is shell 100 Outer surface.

Hardened layer 160 is prepared by hardening bath in one of the embodiments, and the main component of hardening bath is polyurethane Acrylate, organic siliconresin and perfluoropolyether acrylate, such as 304 hardening bath of PPG.It is appreciated that hardening bath is not limited to It can be hardening bath commonly used in the art for above-mentioned substance.The hardened layer 160 that above-mentioned hardening bath is prepared has preferable resistance to Grind performance and preferable adhesion strength.

Specifically, hardness 3H~6H of hardened layer 160, if hardness is too small, wear-resisting property and adhesion strength are poor；If hard It spends greatly, 160 brittleness of hardened layer increases, and can reduce production efficiency.

In one of the embodiments, hardened layer 160 with a thickness of 3 microns~20 microns.It is appreciated that hardened layer 160 Thickness can according to need and be adjusted.

It should be noted that the structure of shell 100 is not limited to structure, for example, hardened layer 160 can be omitted, at this time thoroughly The side of the separate dyeing film 120 of bright substrate 110 is the outer surface of shell 100；Decorating unit 150 can be omitted, at this point it is possible to Protective layer is set far from the side of transparent substrate 110 in dyeing film 120, to protect dyeing film 120；Alternatively, pattern layer 140 can also To omit, at this point, shell 100 does not have pattern layer 140.

Above-mentioned shell 100 has at least the following advantages:

The dyeing film 120 of above-mentioned shell 100 is adhered on transparent substrate 110 by adhesive layer 130, then, it will dye Film 120 can be by the dyeing film 120 of selection qualified (bubble and impurity are few), compared to biography before being adhered to transparent substrate 110 The transfer of system or the hyaline layer of silk-screen (usually transfer or the hyaline layer of silk-screen are easy to produce bubble and impure point, and for some Very tiny bubble or impurity, discovery when usually will be uneven after hyaline layer dyeing and directly result in and scrap, direct shadow Ring production yield) after the mode that dyes again, it is higher to generate yield, and be not easy to result in waste of resources.

If not only needing injection moulding apparatus, but also Shooting Technique directly by the material injection of transparent substrate on dyeing film 120 It is more to the affecting parameters of injection-molded item, be also easy to produce bad products, and if obtained product is unqualified after being molded, will lead to dyeing Film 120 is also scrapped therewith, is resulted in waste of resources, and the dyeing film 120 of above-mentioned shell 100 is by being arranged in 110 He of transparent substrate Adhesive layer 130 between dyeing film 120 is adhered on transparent substrate 110, relative to directly by the material injection of transparent substrate 110 Mode on dyeing film 120, production can be simpler, and production yield can be higher, and the production of above-mentioned shell 100 is without using injection molding Device advantageously reduces cost；Furthermore it is also possible to qualified by being chosen before dyeing film 120 is adhered to transparent substrate 110 Transparent substrate 110, production yield can be improved to a certain extent.

And directly by the material injection of transparent substrate 110 on dyeing film 120, it is difficult in transparent substrate 110 and dyeing film Pattern layer 140 is formed between 120.

As shown in Fig. 2, the production method of the shell of an embodiment, can be used in making above-mentioned shell 100, the shell Production method includes the following steps:

Step S21: diaphragm is dyed, and obtains dyeing film.

In one of the embodiments, diaphragm with a thickness of 0.05 millimeter~0.25 millimeter, it will be understood that the thickness of diaphragm It can according to need and be adjusted.

The step of diaphragm is dyed in one of the embodiments, includes: by the one of the diaphragm for being pasted with protective film on one side Part is disseminated in the first coloring agent, after taking-up, then another part of diaphragm is disseminated in the second coloring agent, is dyed Film, dyeing film have dyeing face and the non-staining face protected by protective film opposite with dyeing face.It is protected by using being pasted with The diaphragm of film layer is dyed, and can not only facilitating the aforesaid operations of diaphragm, (because diaphragm is more thin and flexible, setting protective film can Increase the intensity of diaphragm), and disseminate diaphragm out in this way there is dyeing face and non-staining face, can convenient for subsequent dyeing film with The adherency of transparent substrate.

Wherein, the first coloring agent and the second coloring agent are different, to form different colours in the different zones of diaphragm.First dye Toner and the second coloring agent can be organic coloring agent commonly used in the art, for example, the first coloring agent is direct dyes, the second dye Toner is reactive dye, it will be understood that the number of dyeing and can according to need selection using how many kinds of coloring agent.

Specifically, in the step of disseminating in the first coloring agent the step of dip dyeing and in the second coloring agent, temperature is disseminated It is 60 DEG C~95 DEG C, the temperature of dip dyeing is higher, and the speed of dyeing is faster, production efficiency is favorably improved, if but temperature is excessively high It is unstable to will lead to coloring agent, level dyeing is bad, and it is too fast to also result in the moisture evaporation in coloring agent, inconvenient.

Specifically, pass through in the step of a part for being pasted with the diaphragm of protective film on one side being disseminated in the first coloring agent (wherein, the dip dyeing operation of diaphragm is as shown in figure 3, arrow indicates mentioning for the diaphragm 200 for being pasted with protective film to lifting diaphragm in Fig. 3 Draw direction), gradient color is formed to form the part of diaphragm.Wherein, the time being immersed in the first coloring agent longer region Color is deeper.Wherein, by operation that another part of diaphragm is disseminated in the second coloring agent with disseminate in the first coloring agent Mode is identical, and details are not described herein.

Since each immerged time (complete from coloring agent i.e. diaphragm is immersed coloring agent in one of the embodiments, The time lifted out entirely) it controls at 1 minute~30 minutes.It is appreciated that the depth of immerged time color according to needed for diaphragm Shallowly set.

Further, before the step of another part of diaphragm being disseminated in the second coloring agent, it will be pasted with guarantor on one side It further include the step that diaphragm is cleaned with pure water after the step of a part of the diaphragm of cuticula is disseminated in the first coloring agent, taking-up Suddenly, to wash away remaining first coloring agent on diaphragm and protective film.

The material of protective film is PET in one of the embodiments, it will be understood that the material of protective film is not limited to PET, the material of protective film also can choose other polymer films, and protective film only needs to guarantee that dyeing course is not separated with diaphragm Or blistering, and protect diaphragm corresponding side not to be colored, while not reacting with PC diaphragm under high temperature.

In one of the embodiments, protective film with a thickness of 0.15 millimeter~0.35 millimeter.It is appreciated that protective film Thickness can be configured according to specific needs.

Step S22: pattern layer is formed on the transparent substrate.

Transparent substrate be can be transparent plate commonly used in the art.Specifically, transparent substrate is polycarbonate and gathers Methyl methacrylate composite substrate (PC/PMMA composite substrate), polyethylene terephthalate and polymethyl methacrylate Composite substrate (PET/PMMA composite substrate), polycarbonate substrate (PC plate), polyethylene terephthalate substrate (PET sheet).

In one of the embodiments, transparent substrate with a thickness of 0.25 millimeter~0.8 millimeter.It is appreciated that transparent base The thickness of plate, which can according to need, to be adjusted.

Specifically, the step of forming pattern layer on the transparent substrate includes: printing mirror silver ink on the transparent substrate, then Through drying, pattern layer is obtained.Specifically, dry step includes: and toasts 45 minutes~80 minutes at 60 DEG C~80 DEG C.Its In, ink with mirror effect is, for example, the 06B mirror-like silver ink of Lian Yiwang ink Science and Technology Ltd., Shenzhen.

In one of the embodiments, pattern layer with a thickness of 1 micron~4 microns.To understand, the thickness of pattern layer can be with It is configured as needed.

Step S23: dyeing film and transparent substrate are bonded using adhesive.

The step of dyeing film and transparent substrate are bonded using adhesive are as follows: be bonded in dyeing film using adhesive The formation of bright substrate has the side of pattern layer, and dyeing film is covered on the pattern layer.Specifically, using adhesive by dyeing film With transparent substrate bond the step of are as follows: using adhesive by dyeing film dyeing face or remove protective film non-staining face in one It is a to be bonded with transparent substrate.

Adhesive is UV glue in one of the embodiments,.Specifically, using adhesive by dyeing film and transparent substrate The step of bonding includes: to coat adhesive in the side of the formation pattern layer of transparent substrate, and dyeing film is then covered on bonding On object, then roll-in obtains laminates, carries out ultraviolet light to laminates so that adhesive is rolled flat, so that adhesive solidifies, and Dyeing film and transparent substrate are bonded.

The solidification energy of adhesive is 800J/cm in one of the embodiments,²~3500J/cm².For example, Bei Telixin The UV glue of the model 805-16 of Materials Co., Ltd.It is appreciated that adhesive is not limited to UV glue, it can also be OCA Film.

Step S24: decorating unit is formed on dyeing film.

It in the present embodiment, include: in dyeing film the step of forming decorating unit on dyeing film far from transparent base The side of plate transfers to form texture layer, forms reflection by the non-conductive plating of vacuum in the side of the separate dyeing film of texture layer Layer forms ink layer in the side of the separate texture layer in reflecting layer, obtains decorating unit.

Texture layer is transparent material.Texture layer is transferred to obtain by UV transfer glue, and UV transfer glue can not only make its shape At grain effect, and itself has viscosity, can be adhered directly on dyeing film, and UV transfer glue does not have dyeing film Corrosiveness.Wherein, UV transfer glue can be to be transparent UV glue after solidification commonly used in the art.An implementation wherein In example, it is urethane acrylate glue that UV, which transfers glue,；The solidification energy of UV glue is 500mj/cm²~1500mj/cm².Example If UV transfer glue can be the UV glue of the model 633-75 of Bei Teli new material Co., Ltd.

In one of the embodiments, texture layer with a thickness of 5 microns~20 microns.It is appreciated that texture layer is not limited to For above-mentioned thickness, the thickness of texture layer, which can according to need, to be adjusted.

Reflecting layer be selected from indium tin oxide layer, titanium dioxide layer, columbium dioxide layer, columbium sesquioxide layer, two niobium layer of titanium dioxide, At least one of niobium pentaoxide layer, silicon dioxide layer and titanium dioxide zirconium layer.Reflecting layer is the non-conductive electroplated layer of vacuum.Reflection Layer can be single layer structure, or multilayered structure.

The overall thickness in reflecting layer is 5 nanometers~300 nanometers in one of the embodiments, i.e., when reflecting layer is single layer knot When structure, reflecting layer with a thickness of 5 nanometers~300 nanometers, when reflecting layer is multilayered structure, the overall thickness of multilayer reflective layers is 5 to receive Rice~300 nanometers.It is appreciated that the thickness in reflecting layer is not limited to above-mentioned thickness, the thickness in reflecting layer can according to need into Row setting.

Ink layer is black ink layer, white ink layer or gray oil layer of ink.Ink layer can not only protect reflecting layer, also It is capable of providing background color and shield lights, shell is placed through and sees internal structure and component of product etc..Specifically, oily Layer of ink passes through repeatedly printing and repeatedly drying formation, and repeatedly alternately, each print thickness is 5 micro- for printing and multiple drying Rice~8 microns, can make ink layer more smooth by repeatedly printing, and more reliable, if the thickness of single printing is too thick, dry It is possible that the appearance qualities such as bubble when roasting.

In one of the embodiments, ink layer with a thickness of 10 microns~30 microns.It is appreciated that the thickness of ink layer It is not limited to above-mentioned thickness, the thickness of ink layer, which can according to need, to be configured.

It should be noted that above-mentioned steps are not limited to the step of forming decorating unit on dyeing film, in another implementation It include: to transfer to form texture layer on basilar memebrane in the step of forming decorating unit on dyeing film, in the remote of texture layer in mode Reflecting layer is formed by the non-conductive plating of vacuum from the side of basilar memebrane, forms ink in the side of the separate texture layer in reflecting layer Layer, obtains decorating unit；The side of the separate texture layer of basilar memebrane and the side of the separate transparent substrate of dyeing film are bonded.

It is appreciated that texture layer can also be replaced with the optics adhesive layer without textured pattern；Alternatively, reflecting layer can be with It omits, at this point, directly forming ink layer on texture layer or optics adhesive layer；Alternatively, decorating unit is only ink layer, at this point, Ink layer is formed in the side of the separate transparent substrate of dyeing film.

Step S25: by transparent substrate brake forming.

The transparent substrate brake forming of dyeing film, pattern layer and decorating unit will be formed.Wherein, transparent substrate is bent to After type, transparent substrate has outer surface and the inner surface opposite with outer surface, inner surface of the dyeing film close to transparent substrate.

It specifically, is high-pressure molding by the method for transparent substrate brake forming.Wherein, the technological parameter of high-pressure molding are as follows: 130 DEG C~250 DEG C of forming temperature, briquetting pressure be 12Bar~30Bar, hot pressing time 0.3 minute~2 minutes.

Step S26: forming hardened layer on the transparent substrate, obtains shell.

Wherein, hardened layer is located at the side of the separate dyeing film of transparent substrate, i.e. the hardened layer appearance that is located at transparent substrate Face.

The step of forming hardened layer on the transparent substrate in one of the embodiments, includes: the appearance in transparent substrate Then showering hardening bath on face obtains hardened layer through ultraviolet light to solidify.

Hardening bath main component is that urethane acrylate adds organic siliconresin and perfluor in one of the embodiments, Polyether acrylate, for example, PPG company model 304 hardening bath；Solidification energy 400mJ/cm²~1200mJ/cm².It can be with Understand, it can be hardening bath commonly used in the art that hardening bath, which is not limited to above-mentioned substance,.The hardening that above-mentioned hardening bath is prepared Layer has preferable wear-resisting property and preferable adhesion strength.

In one of the embodiments, hardened layer with a thickness of 3 microns~20 microns.It is appreciated that the thickness of hardened layer It can according to need and be adjusted.

Specifically, hardness 3H~6H of hardened layer, if hardness is too small, wear-resisting property and adhesion strength are poor；If hardness Excessive, hardened layer brittleness increases, and can reduce production efficiency.Hardening can be adjusted by adjusting the thickness and solidification energy of hardened layer The hardness of layer.

It should be noted that the production method of above-mentioned shell is not limited to said sequence, for example, in other embodiments, Step S21 and step S22 can also be carried out simultaneously, alternatively, step S22 can be carried out before step S21；

The sequence of step S24 and step S23 can also exchange, i.e., using the step of forming decorating unit on dyeing film Before the step of adhesive bonds dyeing film and transparent substrate, at this point, including: the step of forming decorating unit on dyeing film It transfers to form texture layer in the side of dyeing film, be formed in the side of the separate dyeing film of texture layer by the non-conductive plating of vacuum Reflecting layer forms ink layer in the side of the separate texture layer in reflecting layer, obtains decorating unit.Using adhesive by dyeing film with The step of transparent substrate bonds are as follows: side and transparent substrate using adhesive by dyeing film far from decorating unit bond；

Step S25 can also be exchanged to before step S22 and step S23, alternatively, step S25 is exchanged to step S22 and step Between rapid S23, i.e., the step of adhesive is by dyeing film and transparent substrate bonding will be being used the step of transparent substrate brake forming On the transparent substrate formed pattern layer the step of before, or by the step of transparent substrate brake forming setting use adhesive Between the step of the step of dyeing film and transparent substrate are bonded and on the transparent substrate formation pattern layer, at this point, in dyeing film The step of upper formation decorating unit, need to use adhesive before the step of bonding dyeing film and transparent substrate using adhesive The step of dyeing film and transparent substrate are bonded are as follows: using adhesive by the side of the separate decorating unit of dyeing film and transparent base Plate bonding.At this point, adhesive is in addition to that can be UV glue or OCA film, it can also be heat curing type glue.And if step S25 can also To exchange to before step S22 and step S23, at this point, the material of transparent substrate other than above-mentioned material, can also use glass Glass substrate, transparent substrate are glass substrate, and adhesive is OCA film；

Step S22, step S24, step S25 and step S26 can be omitted in whole or in part；If step S25 is omitted, thoroughly The material of bright substrate is in addition to above-mentioned material, or transparent substrate.

The production method of above-mentioned shell at least has the advantage that

(1) production method of above-mentioned shell is by first dyeing diaphragm, then using adhesive by obtained dyeing film with Transparent substrate bonding, i.e. dyeing film have just been dyed before setting is on the transparent substrate, relative to traditional in transparent substrate The problem of mode dyed again after upper transfer or silk-screen hyaline layer, there is no coloring agent pollution transparent substrates, after will not polluting The hardened layer of continuous production is conducive to improve production yield；Furthermore it is also possible to by before dyeing film is adhered to transparent substrate The diaphragm for choosing qualified (bubble and impurity are few), relative to directly being dyed after transfer or silk-screen hyaline layer again on the transparent substrate, Production yield can also be improved to a certain extent；Meanwhile (more gas is usually had compared to the hyaline layer of transfer or silk-screen Bubble and more impure point), the bubble and impurity of diaphragm are very few, are conducive to level dyeing.

(2) and after traditional transfer on the transparent substrate or silk-screen hyaline layer the mode dyed again, pattern layer (LOGO) exist It just has been formed on transparent substrate before forming transfer or silk-screen hyaline layer on transparent substrate, is dyed to hyaline layer During, coloring agent can through hyaline layer etch figures pattern layer, cause pattern layer by dye staining reagent ablation, and above-mentioned shell The dyeing film of the production method of body has just dyed before setting is on the transparent substrate, and pattern layer is that dyeing film is pasted onto again It is formed before on bright substrate on the transparent substrate, i.e., pattern layer is not present in diaphragm dyeing course, staining reagent is not present The problem of ablation pattern layer, therefore, the production method of above-mentioned shell, can also ensure that pattern layer is not colored ablation.

(3) if directly by the material injection of transparent substrate on dyeing film, injection moulding apparatus, but also Shooting Technique are not only needed It is more to the affecting parameters of injection-molded item, be also easy to produce bad products, and if obtained product is unqualified after being molded, will lead to dyeing Film is also scrapped therewith, is resulted in waste of resources, and the dyeing film of above-mentioned shell is by being arranged between transparent substrate and dyeing film Adhesive layer adheres on the transparent substrate, relative to the mode directly by the material injection of transparent substrate on dyeing film, makes meeting Simpler, production yield can be higher, and the production of above-mentioned shell advantageously reduces cost without using injection moulding apparatus.

And directly by the material injection of transparent substrate on dyeing film, it is difficult to form figure between transparent substrate and dyeing film Pattern layer can not use glass substrate as transparent substrate.

It is appreciated that above-mentioned shell is also not necessarily limited to the shell as electronic equipment, it can be used for other needs and use coloured silk The field, such as building decoration etc. of colour table material.

The following are specific embodiment parts { following embodiment for making the color region of 2 kinds of gradual changes, and with Fig. 1 For the production of the shell 100 of shown structure, but the solution of the present invention is not limited to following embodiment }:

Embodiment 1

The manufacturing process of the shell of the present embodiment is as follows:

(1), by the diaphragm for being pasted with protective film on one side be mounted on dip dyeing frame on, by a part of diaphragm temperature be 70 DEG C The first coloring agent in disseminate, by shake lift diaphragm, formed have gradient color the first color area, then diaphragm is taken Out, then in pure water it cleans, remaining first coloring agent of membrane surface is removed, then diaphragm is rotated 180 °, by the another of diaphragm Part is disseminated in the second coloring agent that temperature is 70 DEG C, is lifted diaphragm by shake, is formed second color with gradient color Area obtains the dyeing film with dyeing face and the non-staining face opposite with dyeing face, wherein the first color area and the second color area Connection, and from the side in close second color area to the side far from the second color area, the color in the first color area is gradually deepened, From the side in close first color area to the side far from the first color area, the color in the second color area gradually adds, protective film Material is PET, and with a thickness of 0.25 millimeter, the material of diaphragm is polycarbonate (PC), with a thickness of 0.125 millimeter.

(2), in separate PMMA layers of the side printing mirror silver ink of the PC layer of transparent substrate, then 65 points are toasted at 70 DEG C Clock obtains the pattern layer with a thickness of 3 microns；Wherein, transparent substrate is PC/PMMA composite substrate, and overall thickness is 0.64 millimeter, thoroughly The PC layer of bright substrate with a thickness of 0.59 millimeter, PMMA layers with a thickness of 0.05 millimeter.

(3), adhesive is coated in the side of the formation pattern layer of transparent substrate, then tears the protective film on dyeing film Remove, dyeing film be covered in adhesive, and dyeing film is non-staining facing towards adhesive, then roll-in so that adhesive roll it is flat, Laminates are obtained, ultraviolet light, energy 2500J/cm are carried out to laminates², so that adhesive solidifies, formed with a thickness of 18 The adhesive layer of micron, adhesive layer bond dyeing film and transparent substrate, wherein adhesive is Bei Teli new material Co., Ltd The UV glue of model 805-16.

(4), it transfers to be formed with a thickness of 15 microns in the side of the separate transparent substrate of dyeing film using UV transfer glue Texture layer forms the reflecting layer with a thickness of 150 nanometers by the non-conductive plating of vacuum in the side of the separate dyeing film of texture layer, The ink layer to be formed with a thickness of 20 microns is printed in the side of the separate texture layer in reflecting layer, obtains decorating unit.Wherein, UV turns The UV glue of the model 633-75 of glue Ke Yi Wei Bei Teli new material Co., Ltd is printed, reflecting layer is indium tin oxide layer；Oil Layer of ink is white ink layer.

(5), the transparent substrate high-pressure molding that dyeing film, pattern layer and decorating unit will be formed, after high-pressure molding, transparent base Plate has outer surface and the inner surface opposite with outer surface, inner surface of the dyeing film close to transparent substrate.Wherein, high-pressure molding Technological parameter are as follows: 180 DEG C of forming temperature, briquetting pressure 20Bar, hot pressing time 1 minute.

(6), on the outer surface of transparent substrate the model 304 of showering PPG company hardening bath, then through ultraviolet lighting It penetrates to solidify, solidification energy 800mJ/cm², the hardened layer with a thickness of 15 microns is obtained, extra leftover pieces are milled through CNC, Obtain shell.

Embodiment 2

The manufacturing process of the shell of the present embodiment is as follows:

(1), by the diaphragm for being pasted with protective film on one side be mounted on dip dyeing frame on, by a part of diaphragm temperature be 60 DEG C The first coloring agent in disseminate, by shake lift diaphragm, formed have gradient color the first color area, then diaphragm is taken Out, then in pure water it cleans, remaining first coloring agent of membrane surface is removed, then diaphragm is rotated 180 °, by the another of diaphragm Part is disseminated in the second coloring agent that temperature is 60 DEG C, is lifted diaphragm by shake, is formed second color with gradient color Area obtains the dyeing film with dyeing face and the non-staining face opposite with dyeing face, wherein the first color area and the second color area Connection, and from the side in close second color area to the side far from the second color area, the color in the first color area is gradually deepened, From the side in close first color area to the side far from the first color area, the color in the second color area gradually adds, protective film Material is PET, and with a thickness of 0.15 millimeter, the material of diaphragm is thermoplastic polyurethane elastomer rubber (TPU), with a thickness of 0.25 milli Rice.

(2), printing mirror silver ink on the transparent substrate, then toasted 80 minutes at 60 DEG C, it obtains with a thickness of 1 micron Pattern layer；Wherein, transparent substrate is PET/PMMA composite substrate, and the overall thickness of transparent substrate is 0.8 millimeter.

(3), adhesive is coated in the side of the formation pattern layer of transparent substrate, then tears the protective film on dyeing film Remove, dyeing film be covered in adhesive, and dyeing film is non-staining facing towards adhesive, then roll-in so that adhesive roll it is flat, Laminates are obtained, ultraviolet light, energy 800J/cm are carried out to laminates², so that adhesive solidifies, formed micro- with a thickness of 5 The adhesive layer of rice, adhesive layer bond dyeing film and transparent substrate, wherein adhesive is the type of Bei Teli new material Co., Ltd Number be 805-16 UV glue.

(4), the line to be formed with a thickness of 5 microns is transferred in the side of the separate transparent substrate of dyeing film using UV transfer glue Layer is managed, the niobium pentaoxide with a thickness of 40 nanometers is formed by the non-conductive plating of vacuum in the side of the separate dyeing film of texture layer Then layer forms the titanium dioxide with a thickness of 60 nanometers in the non-conductive plating of the side vacuum of the separate dyeing film of niobium pentaoxide layer Silicon layer, then the non-conductive plating of side vacuum of the separate niobium pentaoxide layer in silicon dioxide layer form two with a thickness of 70 nanometers Zirconium oxide layer is printed the ink layer to be formed with a thickness of 10 microns in the side of the separate silicon dioxide layer of titanium dioxide zirconium layer, is obtained Decorating unit.Wherein, UV, which transfers glue, to be the UV glue of the model 633-75 of Bei Teli new material Co., Ltd, ink Layer is white ink layer.

(5), the transparent substrate high-pressure molding that dyeing film, pattern layer and decorating unit will be formed, after high-pressure molding, transparent base Plate has outer surface and the inner surface opposite with outer surface, inner surface of the dyeing film close to transparent substrate.Wherein, high-pressure molding Technological parameter are as follows: 250 DEG C of forming temperature, briquetting pressure 25Bar, hot pressing time 0.3 minute.

(6), on the outer surface of transparent substrate the model 304 of showering PPG company hardening bath, then through ultraviolet lighting It penetrates to solidify, solidification energy 1200mJ/cm², the hardened layer with a thickness of 20 microns is obtained, extra leftover pieces are milled through CNC, Obtain shell.

Embodiment 3

The manufacturing process of the shell of the present embodiment is as follows:

(1), by the diaphragm for being pasted with protective film on one side be mounted on dip dyeing frame on, by a part of diaphragm temperature be 95 DEG C The first coloring agent in disseminate, by shake lift diaphragm, formed have gradient color the first color area, then diaphragm is taken Out, then in pure water it cleans, remaining first coloring agent of membrane surface is removed, then diaphragm is rotated 180 °, by the another of diaphragm Part is disseminated in the second coloring agent that temperature is 95 DEG C, is lifted diaphragm by shake, is formed second color with gradient color Area obtains the dyeing film with dyeing face and the non-staining face opposite with dyeing face, wherein the first color area and the second color area Connection, and from the side in close second color area to the side far from the second color area, the color in the first color area is gradually deepened, From the side in close first color area to the side far from the first color area, the color in the second color area gradually adds, protective film Material is PET, and with a thickness of 0.35 millimeter, the material of diaphragm is polycarbonate (PC), with a thickness of 0.05 millimeter.

(2), printing mirror silver ink on the transparent substrate, then toasted 45 minutes at 80 DEG C, it obtains with a thickness of 4 microns Pattern layer；Wherein, transparent substrate is polycarbonate substrate (PC plate), with a thickness of 0.8 millimeter.

(3), adhesive is coated in the side of the formation pattern layer of transparent substrate, then tears the protective film on dyeing film Remove, dyeing film be covered in adhesive, and dyeing film is non-staining facing towards adhesive, then roll-in so that adhesive roll it is flat, Laminates are obtained, ultraviolet light, energy 3500J/cm are carried out to laminates², so that adhesive solidifies, formed with a thickness of 30 The adhesive layer of micron, adhesive layer bond dyeing film and transparent substrate, wherein adhesive is Bei Teli new material Co., Ltd The UV glue of model 805-16.

(4), it transfers to be formed with a thickness of 20 microns in the side of the separate transparent substrate of dyeing film using UV transfer glue Texture layer forms the titanium dioxide with a thickness of 100 nanometers by the non-conductive plating of vacuum in the side of the separate dyeing film of texture layer Then titanium layer forms the dioxy with a thickness of 180 nanometers in the non-conductive plating of the side vacuum of the separate dyeing film of titanium dioxide layer Change niobium layer, prints the ink layer to be formed with a thickness of 30 microns in the side of the separate titanium dioxide layer of columbium dioxide layer, filled Adorn unit.Wherein, UV, which transfers glue, to be the UV glue of the model 633-75 of Bei Teli new material Co., Ltd, ink layer For black ink layer.

(5), the transparent substrate high-pressure molding that dyeing film, pattern layer and decorating unit will be formed, after high-pressure molding, transparent base Plate has outer surface and the inner surface opposite with outer surface, inner surface of the dyeing film close to transparent substrate.Wherein, high-pressure molding Technological parameter are as follows: 240 DEG C of forming temperature, briquetting pressure 15Bar, hot pressing time 2 minutes.

(6), on the outer surface of transparent substrate the model 304 of showering PPG company hardening bath, then through ultraviolet lighting It penetrates to solidify, solidification energy 400mJ/cm², the hardened layer with a thickness of 3 microns is obtained, extra leftover pieces are milled through CNC, are obtained To shell.

Embodiment 4

The manufacturing process of the shell of the present embodiment is as follows:

(1), by the diaphragm for being pasted with protective film on one side be mounted on dip dyeing frame on, by a part of diaphragm temperature be 85 DEG C The first coloring agent in disseminate, by shake lift diaphragm, formed have gradient color the first color area, then diaphragm is taken Out, then in pure water it cleans, remaining first coloring agent of membrane surface is removed, then diaphragm is rotated 180 °, by the another of diaphragm Part is disseminated in the second coloring agent that temperature is 75 DEG C, is lifted diaphragm by shake, is formed second color with gradient color Area obtains the dyeing film with dyeing face and the non-staining face opposite with dyeing face, wherein the first color area and the second color area Connection, and from the side in close second color area to the side far from the second color area, the color in the first color area is gradually deepened, From the side in close first color area to the side far from the first color area, the color in the second color area gradually adds, protective film Material is PET, and with a thickness of 0.3 millimeter, the material of diaphragm is thermoplastic polyurethane elastomer rubber (TPU), with a thickness of 0.1 milli Rice.

(2), printing mirror silver ink on the transparent substrate, then toasted 50 minutes at 75 DEG C, it obtains with a thickness of 2 microns Pattern layer；Wherein, transparent substrate is polyethylene terephthalate substrate (PET sheet), with a thickness of 0.4 millimeter.

(3), adhesive is coated in the side of the formation pattern layer of transparent substrate, then tears the protective film on dyeing film Remove, dyeing film be covered in adhesive, and dyeing film is non-staining facing towards adhesive, then roll-in so that adhesive roll it is flat, Laminates are obtained, ultraviolet light, energy 1500J/cm are carried out to laminates², so that adhesive solidifies, formed with a thickness of 10 The adhesive layer of micron, adhesive layer bond dyeing film and transparent substrate, wherein adhesive is Bei Teli new material Co., Ltd The UV glue of model 805-16.

(4), it transfers to be formed with a thickness of 10 microns in the side of the separate transparent substrate of dyeing film using UV transfer glue Three oxidations two formed with a thickness of 50 nanometers are electroplated by the way that vacuum is non-conductive in the side of the separate dyeing film of texture layer in texture layer Niobium layer forms the oxygen with a thickness of 100 nanometers by the non-conductive plating of vacuum in the side of the separate texture layer of columbium sesquioxide layer Change indium tin layer, is formed in the side of the separate columbium sesquioxide of indium tin oxide layer by the non-conductive plating of vacuum with a thickness of 50 nanometers Two niobium layer of titanium dioxide, two niobium layer of titanium dioxide separate indium tin oxide layer side by vacuum it is non-conductive plating form thickness For 100 nanometers of titanium dioxide zirconium layer, print to be formed with a thickness of 12 microns in the side of two niobium of separate titanium dioxide of titanium dioxide zirconium layer Ink layer, obtain decorating unit.Wherein, UV transfers the model 633-75 that glue can be Bei Teli new material Co., Ltd UV glue, ink layer be white ink layer.

(5), the transparent substrate high-pressure molding that dyeing film, pattern layer and decorating unit will be formed, after high-pressure molding, transparent base Plate has outer surface and the inner surface opposite with outer surface, inner surface of the dyeing film close to transparent substrate.Wherein, high-pressure molding Technological parameter are as follows: 200 DEG C of forming temperature, briquetting pressure 12Bar, hot pressing time 1 minute.

(6), on the outer surface of transparent substrate the model 304 of showering PPG company hardening bath, then through ultraviolet lighting It penetrates to solidify, solidification energy 700mJ/cm², the hardened layer with a thickness of 12 microns is obtained, extra leftover pieces are milled through CNC, Obtain shell.

Embodiment 5

The manufacturing process of the shell of the present embodiment is similar to the manufacturing process of the shell of embodiment 1, and difference is, step (1) different, the present embodiment is by the dyeing of dyeing film facing towards adhesive.

Embodiment 6

The manufacturing process of the shell of the present embodiment is as follows:

(1), the diaphragm for not being pasted with protective film is mounted on dip dyeing frame, in temperature is 70 DEG C by a part of diaphragm It is disseminated in first coloring agent, diaphragm is lifted by shake, the first color area with gradient color is formed, then takes out diaphragm, It is cleaned in pure water again, removes remaining first coloring agent of membrane surface, then diaphragm is rotated 180 °, another part of diaphragm is existed It is disseminated in the second coloring agent that temperature is 70 DEG C, diaphragm is lifted by shake, the second color area with gradient color is formed, obtains Two opposite surfaces are the dyeing film in dyeing face, wherein the first color area is connect with the second color area, and from close to second The side in color area to the side far from the second color area, the color in the first color area are gradually deepened, from close to the first color area Side to the side far from the first color area, the color in the second color area gradually adds, and the material of diaphragm is polycarbonate (PC), With a thickness of 0.125 millimeter.

(2), identical as (2) the step of embodiment 1.

(3), adhesive is coated in the side of the formation pattern layer of transparent substrate, dyeing film is then covered on adhesive On, and one of dyeing film dyeing is facing towards adhesive, then roll-in obtains laminates so that adhesive is rolled flat, to laminates into Row ultraviolet light, energy 2500J/cm², so that adhesive solidifies, the adhesive layer with a thickness of 18 microns is formed, adhesive layer will Dyeing film and transparent substrate bond, wherein adhesive is the UV glue of the model 805-16 of Bei Teli new material Co., Ltd.

(4)~(6), identical as (4) the step of embodiment 1~(6).

Embodiment 7

The manufacturing process of the shell of the present embodiment is as follows:

(1), by the diaphragm for being pasted with protective film on one side be mounted on dip dyeing frame on, by a part of diaphragm temperature be 70 DEG C The first coloring agent in disseminate, by shake lift diaphragm, formed have gradient color the first color area, then diaphragm is taken Out, then in pure water it cleans, remaining first coloring agent of membrane surface is removed, then diaphragm is rotated 180 °, by another portion of diaphragm Divide in the second coloring agent that temperature is 70 DEG C and disseminate, diaphragm is lifted by shake, forms the second color area with gradient color, Obtain the dyeing film with dyeing face and the non-staining face opposite with dyeing face, wherein the first color area and the second color area connect It connects, and from the side in close second color area to the side far from the second color area, the color in the first color area is gradually deepened, from Close to the side to the side far from the first color area in the first color area, the color in the second color area gradually adds, the material of protective film Matter is PET, and with a thickness of 0.25 millimeter, the material of diaphragm is polycarbonate (PC), with a thickness of 0.125 millimeter.

(3), the texture layer to be formed with a thickness of 15 microns is transferred in the dyeing face of dyeing film using UV transfer glue, in texture The side of the separate dyeing film of layer forms the reflecting layer with a thickness of 150 nanometers by the non-conductive plating of vacuum, in the remote of reflecting layer The ink layer to be formed with a thickness of 20 microns is printed in side from texture layer, obtains decorating unit.Wherein, UV, which transfers glue, to be The UV glue of the model 633-75 of Bei Teli new material Co., Ltd, reflecting layer are indium tin oxide layer；Ink layer is white oil Layer of ink.

(4), adhesive is coated in the side of the formation pattern layer of transparent substrate, then tears the protective film on dyeing film Remove, the dyeing film for being formed with decorative layer be covered in adhesive, and dyeing film it is non-staining facing towards adhesive, then roll-in with It rolls adhesive flat, obtains laminates, ultraviolet light, energy 2500J/cm are carried out to laminates², so that adhesive is solid Change, form the adhesive layer with a thickness of 18 microns, adhesive layer bonds dyeing film and transparent substrate, wherein adhesive Bei Teli The UV glue of the model 805-16 of new material Co., Ltd.

(5), the transparent substrate high-pressure molding that dyeing film, pattern layer and decorating unit will be formed, after high-pressure molding, transparent base Plate has outer surface and the inner surface opposite with outer surface, inner surface of the dyeing film close to transparent substrate.Wherein, high-pressure molding Technological parameter are as follows: 180 DEG C of forming temperature, briquetting pressure 30Bar, hot pressing time 1 minute.

Comparative example 1

The manufacturing process of the shell of comparative example 1 is following (transparent substrate that comparative example 1 uses is same as Example 1):

(1), identical as (2) the step of embodiment 1.

(2), using UV transfer glue separate PMMA layers of PC layer of side of transparent substrate transfer to be formed it is micro- with a thickness of 15 The texture layer of rice.

(3), the transparent substrate for being formed with pattern layer and texture layer is mounted on dip dyeing frame, a part of texture layer is existed It is disseminated in the first coloring agent that temperature is 70 DEG C, diaphragm is lifted by shake, the first color area with gradient color is formed, by shape 180 ° are rotated at there is the transparent substrate of pattern layer and texture layer to clean in pure water, then by diaphragm, by another part of texture layer It is disseminated in the second coloring agent that temperature is 70 DEG C, diaphragm is lifted by shake, forms the second color area with gradient color, clearly The transparent substrate for being formed with pattern layer and texture layer is washed, the texture layer dyed, wherein the first color area and the second color area Connection, and from the side in close second color area to the side far from the second color area, the color in the first color area is gradually deepened, From the side in close first color area to the side far from the first color area, the color in the second color area gradually adds.

(4), it is formed in the side of the separate dyeing film of texture layer by the non-conductive plating of vacuum anti-with a thickness of 150 nanometers Layer is penetrated, the ink layer to be formed with a thickness of 20 microns is printed in the side of the separate texture layer in reflecting layer, obtains decorating unit.Its In, UV, which transfers glue, to be the UV glue of the model 633-75 of Bei Teli new material Co., Ltd, and reflecting layer is indium oxide Tin layers；Ink layer is white ink layer.

(5), the transparent substrate high-pressure molding of pattern layer and decorating unit will be formed with, after high-pressure molding, transparent substrate tool There are outer surface and the inner surface opposite with outer surface, inner surface of the dyeing film close to transparent substrate.Wherein, the technique of high-pressure molding Parameter are as follows: 180 DEG C of forming temperature, briquetting pressure 50Ba, hot pressing time 1 minute.

(6), identical as (6) the step of embodiment 1.

Test:

(1) color effects of the shell of 1~embodiment of embodiment 7 and comparative example 1 are observed by angle changing under desk lamp (such as heterochromatic point, uniformity etc.), wherein the color effects of the shell of Examples 1 to 7 and comparative example 1 are as shown in table 1.

(2) pattern layer of the shell of 1~embodiment of embodiment 7 and comparative example 1 is observed by angle changing under desk lamp Effect (whether be colored and ablation phenomen), wherein the effect of the pattern layer of the shell of 1~embodiment of embodiment 7 and comparative example 1 Fruit is as shown in table 1.

Table 1

	The color effects of shell	The effect of pattern layer
			Embodiment 1	Even dyeing is no different color dot	Pattern layer is without ablation, and nothing is colored phenomenon
Embodiment 2	Even dyeing is no different color dot	Pattern layer is without ablation, and nothing is colored phenomenon
			Embodiment 3	Even dyeing is no different color dot	Pattern layer is without ablation, and nothing is colored phenomenon
Embodiment 4	Even dyeing is no different color dot	Pattern layer is without ablation, and nothing is colored phenomenon
			Embodiment 5	Even dyeing is no different color dot	Pattern layer is without ablation, and nothing is colored phenomenon
Embodiment 6	Even dyeing is no different color dot	Pattern layer is without ablation, and nothing is colored phenomenon
			Embodiment 7	Even dyeing is no different color dot	Pattern layer is without ablation, and nothing is colored phenomenon
Comparative example 1	There is dark bubble point	Pattern layer has tangerine line, and by slight stain

From table 1 it follows that the color of the shell of 1~embodiment of embodiment 7 is uniform, it is no different color dot, and pattern layer is equal Without ablation phenomen, and without phenomenon is colored, although the dyeing face of dyeing film and transparent substrate are led in embodiment 5 and embodiment 6 Cross adhesive bonding, due to dyeing film is covered on after adhesive rolled by roll-in it is flat, after directly solidified, the usual time is shorter, Therefore, any corrosion almost generated to the dyeing face of the dyeing film of embodiment 5 and embodiment 6 for adhesive.

And the shell of comparative example 1 has dark bubble point, pattern layer has the generation of tangerine line, and pattern layer, by slight stain, this can It can be because comparative example 1 dyes the transparent substrate for being formed with pattern layer and texture layer, coloring agent is burnt in dyeing course Pattern layer has been lost, and polluted pattern layer.

(3) according to the hardness of the hardened layer of the shell of GB/T 6739-1996 testing example 1 and comparative example 1, embodiment 1 It is as shown in table 2 with the hardness of the hardened layer of the shell of comparative example 1, and angle changing observation embodiment 1 and comparative example 1 under desk lamp Shell hardened layer color, the results are shown in Table 2.

Table 2

From Table 2, it can be seen that although comparative example 1 is identical with the manufacture craft of the hardened layer of embodiment 1, it is real The hardened layer for applying example 1 but has the hardness higher than comparative example 1, and the hardened layer entire body of embodiment 1 is transparent, and comparative example 1 is hard Changing in layer but has a little region to have coloring phenomenon, this is because comparative example 1 is during dyeing texture layer, transparent base Plate is immersed in coloring agent with texture layer, and coloring agent is caused to remain in transparent substrate surface, and forms hardening on the transparent substrate When layer, the coloring matter for remaining in transparent substrate surface can have been entered in hardened layer, and the hardness of hardened layer is caused to decline, and So that but thering is a little region to have coloring phenomenon in the hardened layer of comparative example 1.

Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited In contradiction, all should be considered as described in this specification.

The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.

Claims

1. a kind of shell, which is characterized in that including transparent substrate, dyeing film and transparent adhesive layer, the dyeing film setting exists On the transparent substrate, the adhesive layer is arranged between the transparent substrate and the dyeing film layer, and the adhesive layer is used for The dyeing film is adhered on the transparent substrate.

2. shell according to claim 1, which is characterized in that further include pattern layer, the pattern layer is located at described transparent Between substrate and the dyeing film, side and the dyeing of the adhesive layer by the transparent substrate close to the pattern layer Film bonding.

3. shell according to claim 2, which is characterized in that the pattern layer is mirror surface silver layer, and the pattern layer is set It sets on the side surface close to the dyeing film of the transparent substrate.

4. shell according to claim 1, which is characterized in that the dyeing film have dyeing face and with the dyeing face phase Pair non-staining face, one in the dyeing face and the non-staining face towards with the transparent substrate.

5. shell according to claim 1, which is characterized in that there is the first color area and with described the on the dyeing film Second color area of one color area connection；From the side close to second color area to one far from second color area The color of side, first color area changes in gradual change type；From the side close to first color area to far from described first The color of the side in color area, second color area changes in gradual change type.

6. shell according to claim 1, which is characterized in that the adhesive layer is UV glue-line or heat curing type glue-line.

7. shell according to claim 1, which is characterized in that the dyeing film is prestained diaphragm, the diaphragm Material is polycarbonate or thermoplastic polyurethane elastomer rubber.

8. shell according to claim 1, which is characterized in that the transparent substrate is polycarbonate and polymethylacrylic acid Methyl esters composite substrate, polyethylene terephthalate and polymethyl methacrylate composite substrate, gather to benzene polycarbonate substrate Dioctyl phthalate second diester substrate or glass substrate.

9. described in any item shells according to claim 1~8, which is characterized in that it further include decorating unit, the decorating unit The side far from the transparent substrate of the dyeing film is set.

10. shell according to claim 9, which is characterized in that the decorating unit includes texture layer, reflecting layer and ink The side far from the transparent substrate of the dyeing film is arranged in layer, the texture layer, and the reflecting layer is arranged in the line The side of the separate dyeing film of layer is managed, the side far from the texture layer in the reflecting layer is arranged in the ink layer.

11. described in any item shells according to claim 1~8, which is characterized in that further include hardened layer, the hardened layer is set It sets in the side far from the dyeing film of the transparent substrate.

12. a kind of production method of shell, which comprises the steps of:

Diaphragm is dyed, dyeing film is obtained；

13. the production method of shell according to claim 12, which is characterized in that glue the dyeing film with transparent substrate Before the step of conjunction, further include the steps that forming pattern layer on the transparent substrate；

Wherein, described the step of being bonded the dyeing film and transparent substrate using adhesive are as follows: use the adhesive by institute Stating the formation that dyeing film is bonded in the transparent substrate has the side of the pattern layer.

14. the production method of shell according to claim 13, which is characterized in that form pattern on the transparent substrate The step of layer includes: the printing mirror silver ink on the transparent substrate, then through drying, obtains the pattern layer.

15. the production method of shell according to claim 12, which is characterized in that the step of dyeing diaphragm packet It includes: a part for being pasted with the diaphragm of protective film on one side is disseminated in the first coloring agent, after taking-up, then by the diaphragm Another part disseminated in the second coloring agent, obtain the dyeing film, wherein the dyeing film have dyeing face and with it is described The opposite non-staining face protected by the protective film in dyeing face；

Described the step of being bonded the dyeing film and transparent substrate using adhesive are as follows: use the adhesive by the dyeing The dyeing face of film or the non-staining face of the removal protective film and the transparent substrate bond.

16. the production method of shell according to claim 15, which is characterized in that described to disseminate in the first coloring agent In step and described the step of disseminating in the second coloring agent, dip dyeing temperature is 60 DEG C~95 DEG C.

17. the production method of shell according to claim 12, which is characterized in that the adhesive is UV glue or OCA Film further includes that will be stained with the dye after described the step of being bonded the dyeing film and transparent substrate using adhesive The step of transparent substrate brake forming of color film.

18. the production method of shell according to claim 12, which is characterized in that the adhesive is UV glue, OCA glue Piece or heat curing type glue, before described the step of being bonded the dyeing film and transparent substrate using adhesive, further including will be described The step of transparent substrate brake forming.

19. the production method of shell according to claim 12, which is characterized in that the material of the diaphragm is polycarbonate Or thermoplastic polyurethane elastomer rubber.

20. the production method of 2~19 described in any item shells according to claim 1, which is characterized in that further include in the dye The step of decorating unit is formed on color film.

21. the production method of shell according to claim 20, which is characterized in that described to form dress on the dyeing film The step of adoring unit is described in the dye after described the step of being bonded the dyeing film and transparent substrate using adhesive The step of decorating unit is formed on color film includes: to transfer to form texture in the side far from the transparent substrate of the dyeing film Layer forms reflecting layer by the non-conductive plating of vacuum in the side far from the dyeing film of the texture layer, in the reflection The side far from the texture layer of layer forms ink layer, obtains the decorating unit.

22. the production method of shell according to claim 21, which is characterized in that described to form dress on the dyeing film The step of adoring unit is described in the dye before described the step of being bonded the dyeing film and transparent substrate using adhesive The step of decorating unit is formed on color film includes: to transfer to form texture layer in the side of the dyeing film, in the texture layer Side far from the dyeing film forms reflecting layer by the non-conductive plating of vacuum, in the reflecting layer far from the texture layer Side formed ink layer, obtain the decorating unit；

Wherein, described the step of being bonded the dyeing film and transparent substrate using adhesive are as follows: use the adhesive by institute The side far from the decorating unit for stating dyeing film is bonded with the transparent substrate.

23. the production method of shell described in 2~19 according to claim 1, which is characterized in that further include in the transparent substrate The step of upper formation hardened layer, the hardened layer are located at the side far from the dyeing film of the transparent substrate.

24. a kind of electronic equipment, which is characterized in that including the described in any item shells of claim 1~11 or claim 12 The shell of the production method production of~23 described in any item shells.

25. electronic equipment according to claim 24, which is characterized in that the electronic equipment is mobile phone or tablet computer.