CN108099096A - Housing for mobile terminal and preparation method thereof, mobile terminal - Google Patents
Housing for mobile terminal and preparation method thereof, mobile terminal Download PDFInfo
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- CN108099096A CN108099096A CN201711078340.6A CN201711078340A CN108099096A CN 108099096 A CN108099096 A CN 108099096A CN 201711078340 A CN201711078340 A CN 201711078340A CN 108099096 A CN108099096 A CN 108099096A
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- Prior art keywords
- printed layer
- resin
- layer
- housing
- soft
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14688—Coating articles provided with a decoration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B11/00—Making preforms
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
- H05K5/0243—Mechanical details of casings for decorative purposes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Casings For Electric Apparatus (AREA)
- Telephone Set Structure (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses housing for mobile terminal and preparation method thereof, mobile terminals.Specifically, the present invention proposes a kind of housing for mobile terminal, including：Matrix；Printed layer, the printed layer are set on the matrix；Soft prime coat, the soft prime coat are arranged on one side of the printed layer away from described matrix；And top coat layer, the top coat layer are arranged on the one side of the soft prime coat away from the printed layer.The soft prime coat can reduce the stretching to printed layer as a result, and printed layer performance is made more to stablize, paint is not easy, it is possible thereby to improve the appearance and product yield of the mobile terminal shell.
Description
Technical field
The present invention relates to electronics fields, and in particular, to for housing of mobile terminal and preparation method thereof, movement
Terminal.
Background technology
With the raising of the level of consumption, consumer not only pursues industrial products the variation of function, and to its appearance,
Texture etc. also has increasingly higher demands.In recent years, in-mold decoration injection molding technology (Insert Mold Three-
Dimensional decoration, IMT or for in-mould injection 3D decoration techniques) be widely used in the table of industrial products
Face furnishing fields, such as the decoration of household appliances and console board, automobile instrument panel, mobile terminal shell/eyeglass etc..
IMT formed product concrete structure can be Surface hardened layer transparent membrane, intermediate printing pattern layer, back side injection molded layers.Because
Pattern layer is located at centre, so can make good product clarity height, three-dimensional sense, rub resistance, prevent that surface from being scratched, and can protect for a long time
The distinctness of color is held, not fugitive color.For example, stamping technique may be employed, formed on IMT diaphragms has certain outside drawing in advance
The texture or color of case, after by in-mold decoration injection molding technology, which is fitted in injection or base well prepared in advance
On plate.Thus, it is possible to obtain appearance enrich, the flexible controllable housing of structure design.
However, housing currently used for mobile terminal and preparation method thereof, mobile terminal could be improved.
The content of the invention
The application is that the discovery of following facts and problem and understanding are made based on inventor：
Inventor has found, after IMT diaphragms are fitted on substrate, the printed layer adhesive force of the housing generally existing diaphragm compared with
Difference easily falls the problem of painting.Inventor has found by further investigation, this is mainly due to after the fitting of IMT diaphragms is realized,
One layer of protection decalcomania or the protective layer (being usually top coat layer) of color would generally be prepared again, and finishing coat contraction is larger, and print
Caused by the adhesive force of flower layer and matrix is poor.Specifically, in IMT techniques, the diaphragm with printed layer is generally initially formed,
Then the one side of this diaphragm is molded, then removes one layer of pet vector film of another side surface of diaphragm, finally carry out spraying work
Skill forms protective layer.Common spraying method is the one level paint of direct spraying in printed layer because finishing coat shrink generally compared with
Greatly, thus to the printed layer of lower section there is tensile stress effect, when the adhesive force of printed layer and matrix is poor, that is, be easy to cause print
Flower layer comes off or removes.In the case where diaphragm has optical coatings, this case is particularly acute.For example, inventor passes through
Experiment finds, the IMT injecting products after spraying, at 80 degrees Celsius, after boiling 30 minutes, large area depainting phenomenon occurs,
The appearance and product yield of IMT injecting products are seriously affected.Therefore, as can printed layer can be improved by designing a kind of method
Adhesive force, will greatly improve IMT preparation mobile terminal shell appearance and product yield.
It is contemplated that it solves at least some of the technical problems in related technologies.
In one aspect of the invention, the present invention proposes a kind of housing for mobile terminal.Reality according to the present invention
Example is applied, which includes：Matrix；Printed layer, the printed layer are set on the matrix；Soft prime coat, institute
It states soft prime coat and is arranged on one side of the printed layer away from described matrix；And top coat layer, the top coat layer are arranged on institute
State one side of the soft prime coat away from the printed layer.The soft prime coat can reduce drawing of the top coat layer to printed layer as a result,
It stretches, printed layer performance is made more to stablize, is not easy paint, and then, the appearance and product yield of the mobile terminal shell all obtain
To raising.
In another aspect of this invention, the present invention proposes a kind of method for preparing foregoing housing.According to this hair
Bright embodiment, this method include：Injection diaphragm is provided, the injection diaphragm includes release film and printed layer, the stamp
Layer is arranged on the one side of the release film；The injection diaphragm and matrix are placed in mold, and pass through inner membrance injection molding technology,
The injection diaphragm is fixed on described matrix one side, wherein, the injection diaphragm is provided with the one side direction of the printed layer
Described matrix is set；The release film of the injection diaphragm is removed, to expose the printed layer；It is separate in the printed layer
The one side of described matrix forms soft prime coat；And in the one side of the soft prime coat away from the printed layer, forming face
Enamelled coating, to obtain the housing.Thus, it is possible to easily obtain housing recited above.
In still another aspect of the invention, the present invention proposes a kind of mobile terminal.According to an embodiment of the invention, the movement
Terminal includes：Display screen；Housing, the housing are foregoing, and the housing and the display screen limit appearance
Receive space；Mainboard and battery, the battery are configured to as the mainboard and display screen power supply, the master
Plate and the battery are arranged in the accommodation space.The mobile terminal has all special of foregoing housing as a result,
Sign and advantage, details are not described herein.
Description of the drawings
Fig. 1 shows the structure diagram of the housing according to an embodiment of the invention for mobile terminal；
Fig. 2 shows the structure diagram of the housing in accordance with another embodiment of the present invention for mobile terminal；
Fig. 3 shows the structure diagram of the housing for mobile terminal of another embodiment according to the present invention；
Fig. 4 shows the method flow diagram according to an embodiment of the invention for preparing the housing for mobile terminal；
Fig. 5 shows the method flow diagram according to an embodiment of the invention for preparing injection diaphragm；
Fig. 6 shows the method flow diagram in accordance with another embodiment of the present invention for preparing injection diaphragm；And
Fig. 7 shows the structure diagram of mobile terminal according to an embodiment of the invention.
Reference sign：
100：Mobile terminal shell；10：Matrix；20：Printed layer；30：Soft prime coat；40：Top coat layer；50：Optics plates
Film layer；60：Injection structure；1000：Mobile terminal.
Specific embodiment
The embodiment of the present invention is described below in detail, the example of the embodiment is shown in the drawings.Below with reference to
The embodiment of attached drawing description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
In one aspect of the invention, the present invention proposes a kind of housing for mobile terminal.Reality according to the present invention
Example is applied, with reference to figure 1, which includes：Matrix 10, printed layer 20, soft prime coat 30 and top coat layer 40.
According to an embodiment of the invention, printed layer 20 is arranged on matrix 10, and soft prime coat 30 is arranged on printed layer 20 away from matrix
10 one side, top coat layer 40 are arranged on soft one side of the prime coat 30 away from printed layer 20.The soft prime coat 30 is to printed layer
20 stretching action is smaller, and 20 performance of printed layer is made more to stablize, and paint is not easy, especially in printed layer 20 and 10 surface of matrix
When adhesive ability is poor, can to avoid causing coming off for printed layer 20 in spraying protective layer, and then, the mobile terminal shell
100 appearance and product yield is all improved.
In order to facilitate understanding, first below to being briefly described with the step of IMT preparation mobile terminal shells：
A kind of new technique that IMT is substantially screen painting and Shooting Technique is combined.Mobile terminal shell is prepared with IMT
When, screen painting is carried out on clear sheet (printable fabric, for forming IMT diaphragms) first, completes picture and text transfer, it is then right
Clear sheet with pattern layer carries out forming processes, forms IMT diaphragms, then IMT diaphragms are put into injection mold, is fixed on
On matrix.Wherein, matrix can be preformed, have effigurate housing crude green body or in in-mould injection mistake
Cheng Zhong, injection are formed in the resin at the sheet material back side.Grinding process finally is carried out to the product after injection process, and is carried out
The spraying of paint is protected, finally obtains the mobile terminal shell with certain picture and text appearance.
Below according to specific embodiments of the present invention, each structure of the mobile terminal shell is described in detail：
According to an embodiment of the invention, the material of matrix 10 and preparation method are not particularly limited, those skilled in the art
Can selection be designed according to the appearance demand of the housing finally prepared and the requirement of mechanical strength.
According to an embodiment of the invention, printed layer 20 can be formed by stamping technique.Stamping technique is by outer
Plus-pressure combines closely template and coining glue, then will imprint adhesive curing, and obtain a kind of pattern-forming method of decalcomania.
According to an embodiment of the invention, the coining glue for forming printed layer 20 is not particularly limited, and those skilled in the art can be according to need
It makes choice, for example, according to an embodiment of the invention, UV glue may be employed and form printed layer 20 by stamping technique.By
This, can easily form printed layer 20 on matrix 10.
According to an embodiment of the invention, the material for forming soft prime coat 30 is not particularly limited, as long as soft prime coat
30 hardness is less than the hardness of top coat layer 40.For example, according to an embodiment of the invention, form the material of soft prime coat 30
It can include PU, PU materials are readily available, and of low cost.Thus, on the one hand, coat the material for forming soft prime coat 30
When in printed layer 20, the stress between soft prime coat 30 and printed layer 20 is smaller, will not seriously stretch printed layer 20；Separately
On the one hand, soft prime coat 30 during subsequently top coat layer 40 is prepared, can also absorb the shrinkage stress of top coat layer 40, and
And the stretching to printed layer 20 can be reduced.Printed layer 20 is avoided as a result, and departs from peeling from 10 surface of matrix, makes printed layer 20
Performance is more stablized, and is not easy paint.
According to an embodiment of the invention, with reference to figure 2, which may further include optical coatings
50, optical coatings 50 are set between matrix 10 and printed layer 20.Optical coatings 50 can adjust the saturating of printed layer 20 as a result,
Rate and reflectivity are penetrated, further promotes the appearance of mobile terminal shell 100.Inventor has found, when the mobile terminal shell
During including optical coatings 50, since the smooth degree of optical coatings 50 is generally higher than the smooth degree of matrix, more hold
Easily cause coming off and removing for printed layer 20.As a result, when the mobile terminal shell 100 has optical coatings 50, by setting
The soft prime coat 30 that hardness is less than top coat layer 40 is put, the adhesion effect of printed layer 20 can be significantly improved, alleviate and fall asking for paint
Topic.
According to an embodiment of the invention, with reference to figure 3, which can further include：Injection structure
60, injection structure 60 is arranged on one side of the matrix 10 away from printed layer 20.Injection structure 60 can further improve the shifting as a result,
The mechanical strength and appearance of dynamic terminal shell 100.
According to an embodiment of the invention, the injection structure 60 or matrix 10 can be formed by inner membrance injection molding technology
, include PC for the plastics of injection, and the melt index of the plastics is less than 28g/10min.As a result, the plastics not only have compared with
Low melting temperature and preferable mobility can meet the needs of IMT Shooting Techniques, when using above-mentioned material, in printed layer
When surface is molded, can also alleviate printed layer deformation and ink layer occur red ink the problems such as.
It should be noted that the specific chemical composition of above-mentioned plastics is not particularly limited, as long as can meet in-mould injection
The demand of technique, while in above range under melt index.Those skilled in the art can form material according to injection
Concrete application environment makes choice the specific chemical composition of above-mentioned plastics.For example, above-mentioned plastics can also be PMMA, PET,
PS etc., to meet such as isostructural demand of mobile phone dorsal shield, home electronic panel.According to a particular embodiment of the invention, example
Such as, when preparing for mobile phone when the housing of mobile terminals, PC can be included in the plastics.The plate that in-mould injection is formed as a result,
Material can meet the needs of mobile terminal shell.According to an embodiment of the invention, the melt index of the plastics can be 18-
28g/10min.The plastics can have preferable mobility and toughness when for in-mould injection as a result,.Therefore, according to this
The plastics of inventive embodiments can be used for using inmold injection technique, and manufacture radius of curvature is larger or has labyrinth
Product.
It should be noted that term " melt index " can be by mode familiar to those skilled in the art test and
It obtains.Specifically, its test method can be first to allow plastic pellet in certain time (as it employed herein 10 minutes)
Under interior, certain temperature and pressure (a variety of materials standard is different, and those skilled in the art can select as the case may be), melt
Into plastic liquid, the grams (g) then flowed out by an a diameter of 2.095mm pipes.The numerical value of melt index is bigger, represents
The processing fluidity of the plastic material is better, on the contrary then poorer.Therefore, according to an embodiment of the invention, for IMT injection molded layers
Plastic material needs higher mobility, that is, has higher melt index.
According to an embodiment of the invention, which is by the first resin and the second resin, is formed by melting coextrusion
, wherein, the molecular weight of the first resin is more than the molecular weight of the second resin.It should be noted that term " the molecule of the first resin
Amount ", " molecular weight of the second resin " etc. refer in particular to form the molecular weight of the principal polymeric of the resin.For example, when the first resin or
During the blend that the second resin is formed for two or more polymer, " molecular weight of the first resin ", " point of the second resin
Son amount ", is refered in particular in the resin, the molecular weight of polymer of the mass content more than 50%.It should be noted that term is " poly-
Close object " it should be interpreted broadly, both include the polymer formed by single monomer, the copolymer also formed including various of monomer.
According to an embodiment of the invention, the component of the first resin and the second resin, mixed proportion etc. are not particularly limited, if this first
The molecular weight of resin is more than the molecular weight of the second resin, and the melt index of the plastics formed is less than 28g/10min.By
This, according to the specific chemical composition of the first resin and the second resin, can adjust the ratio of the first resin with larger molecular weight
Example and with smaller molecular weight the second resin ratio, the melt index of the plastics of formation is made to meet in-mould injection work
Skill requirement.Inventor's discovery, other physical and chemical performances of resin, the influence for the melt index of finally formed plastics are smaller.
Thus, it is only required to make the first resin and the molecular weight of the main constituents in the second resin that there is difference, can both pass through
Adjusting to the first resin and the second resin mixed proportion obtains the plastics of melt index meet demand.
According to an embodiment of the invention, the first resin can be the blend for including PC and ABS.The blending of PC and ABS
Object has relatively low melting temperature and higher mobility, disclosure satisfy that the needs of IMT Shooting Techniques.Implementation according to the present invention
Example, which can include PC, and the molecular weight of the PC in second resin can be 20,000-5 ten thousand.Inventor passes through
Numerous studies are found, when the molecular weight of PC in the second resin is in 20,000-5 ten thousand scope, institute after the first resin and the mixing of the second resin
Obtained plastics have preferable toughness, especially suitable for forming mobile terminal shell using in-mould injection.It is according to the present invention
Embodiment, the molecular weight of the PC in the first resin, more than the molecular weight of PC in the second resin.Contain lower molecular weight PC as a result,
The second resin mixed with the first resin containing higher molecular weight PC after, the toughness of the first resin can be adjusted so that first
Resin and the mixed plastics of the second resin have good toughness, while can have preferable mobility and mechanical strength.
According to an embodiment of the invention, the mass ratio of the gross mass based on the plastics, the first resin and the second resin is big
In 1：1.In other words, in the plastics, the quality of the first resin is more than the quality of the second resin.Inventor sends out by many experiments
Existing, when above-mentioned mass ratio is excessive, the first resin content is excessive, and the toughness for be easy to causeing plastics is poor, it is difficult to ensure to carry out mould
Sheet material or ink layer are not impacted during interior injection；And aforementioned proportion it is too small when, the second resin content is excessive, be easy to cause the stream of plastics
Dynamic property is too strong, can not form more complicated injection structure using inmold injection technique.And when a resin and the second resin
Mass ratio is more than 1：When 1, can while the plastics toughness is improved, and can guarantee the hardness of the plastics, mechanical strength etc. its
His performance is unaffected.
In another aspect of this invention, the present invention proposes a kind of method for preparing foregoing housing.According to this hair
Bright embodiment, with reference to figure 4, this method comprises the following steps：
S100：Injection diaphragm is provided
In this step, injection diaphragm is provided, the injection diaphragm include release film and printed layer, printed layer be arranged on from
The one side of type film.Thus, it is possible to using release film, in inner membrance injection moulding process, protection is provided to printed layer, inner membrance is prevented to be molded
Mold contacts directly printed layer, influences the appearance of printed layer.According to an embodiment of the invention, with reference to figure 5, injection membrane is provided
Piece may further include following steps：
S110：Parting agent layer is formed on release film matrix
In this step, parting agent layer is formed on release film matrix, to form release film.Implementation according to the present invention
Example, the material of release film matrix is not particularly limited, as long as being readily susceptible to be formed thereon decalcomania, for example, can be with
With certain plasticity.For example, according to a particular embodiment of the invention, release film matrix can be PET film.According to the present invention
Embodiment, in order to facilitate in subsequent operation, release film matrix is removed from product, can be formed in advance on release film matrix
Parting agent layer, the material and preparation method of parting agent layer are not particularly limited, and those skilled in the art can carry out as needed
Selection.
S120：In one side of the parting agent layer away from release film matrix, printed layer is formed
In this step, in one side of the parting agent layer away from release film matrix, coining processing is carried out to embossing glue, so as to
Form printed layer.Coining processing is that template and coining glue are combined closely by impressed pressure, then will imprint adhesive curing, and obtain
A kind of pattern-forming method of decalcomania.According to an embodiment of the invention, the concrete type for being embossed glue is not particularly limited,
Those skilled in the art can make choice as needed, for example, according to an embodiment of the invention, UV glue may be employed and formed
Printed layer.
According to an embodiment of the invention, with reference to figure 6, injection diaphragm is provided and can further include following steps：
S130：In one side of the printed layer away from release film, optical coatings are formed
In this step, in one side of the printed layer away from release film, optical coatings are formed.The optical coatings can be adjusted
The transmissivity and reflectivity of whole printed layer, can realize more preferably grain effect.According to an embodiment of the invention, the material of plated film
Material, transmitance and reflectivity are not particularly limited, and those skilled in the art can make choice as needed, for example, according to this
The specific embodiment of invention can be plated layer of metal film in the one side of printed layer, the imitative gold of mobile terminal shell is realized with this
Belong to appearance.
S200：Injection diaphragm is fixed on matrix one side
In this step, injection diaphragm and matrix are placed in mold, and pass through inner membrance injection molding technology, diaphragm will be molded
Matrix one side is fixed on, wherein, the one side that injection diaphragm is provided with printed layer is set towards matrix.The one side of printed layer as a result,
It combines closely with matrix, which can protect the pattern of printed layer, prevent from rubbing and scratch.Meanwhile printed layer is also matrix
Provide abundant appearance.It will be appreciated to those of skill in the art that when being molded in diaphragm with optical coatings,
In this step, optical coatings and substrate contact are made.
S300：The release film of removal injection diaphragm
In this step, the release film of removal injection diaphragm, to expose printed layer.According to an embodiment of the invention, exist
It is molded in diaphragm, release film includes parting agent layer, it is possible thereby to easily remove release film in printed layer, exposes stamp
Layer, so as to subsequent operation.
S400：Form soft prime coat
In this step, in one side of the printed layer away from matrix, soft prime coat is formed.According to an embodiment of the invention,
The specific material and preparation method of soft prime coat are not particularly limited, such as according to an embodiment of the invention, soft prime coat
It can be by being toasted to be formed to PU priming paint, the baking temperature of baking can be 70~80 degrees Celsius, baking time
It can be 15 minutes.Under this baking temperature and baking time, soft prime coat of good performance can be made, the soft priming paint
The toughness of layer is preferable, on the one hand, when setting soft prime coat, serious stretching will not be caused to printed layer, it on the other hand, can
When subsequently preparing top coat layer, to absorb the shrinkage stress of UV finishing coats, and then the stretching to printed layer can be reduced, prevent stamp
Layer comes off.
S500：Form top coat layer
In this step, in one side of the soft prime coat away from printed layer, top coat layer is formed, to obtain housing.According to
The embodiment of the present invention, the specific material and preparation method of top coat layer are not particularly limited, such as according to an embodiment of the invention,
Top coat layer can be formed by being exposed processing to UV finishing coats, and the conditions of exposure of exposure-processed can be 1200mj/
cm2.According to an embodiment of the invention, exposure-processed may further include：Under 45~60 degrees Celsius, to UV finishing coats baking 5
~15 minutes.The top coat layer made from the method has good appearance.
In still another aspect of the invention, the present invention proposes a kind of mobile terminal.According to an embodiment of the invention, reference chart
7, which includes：Foregoing housing 100, mainboard, battery and display screen (not shown).According to
The embodiment of the present invention, housing 100 and display screen limit accommodation space, and mainboard and battery are arranged on accommodation space
In.For battery for that can be that mainboard and display screen are powered, mainboard be used to control each electronic unit of the mobile terminal 1000,
To realize the performance of the mobile terminal.The mobile terminal 1000 has all special of foregoing housing 100 as a result,
Sign and advantage, details are not described herein.
Embodiments of the present invention described in detail above, still, the tool during present invention is not limited to the embodiments described above
Body details within the scope of the technical concept of the present invention, can carry out a variety of simple variants, these letters to technical scheme
Monotropic type all belongs to the scope of protection of the present invention.It is it is further to note that each described in above-mentioned specific embodiment
A particular technique feature in the case of no contradiction, can be combined by any suitable means.
In the description of the present invention, it is to be understood that term " on ", " under ", "front", "rear", " top ", " bottom " " interior ",
The orientation or position relationship of instructions such as " outer " are based on orientation shown in the drawings or position relationship, are for only for ease of and describe this hair
It is bright to have specific orientation, with the device for simplifying description rather than instruction or hint meaning or element with specific orientation
Construction and operation, therefore be not considered as limiting the invention.For example, in the present invention, stainless steel materials and stainless steel
Substrate, aluminium layer, anodic oxide coating isostructural " upper surface " refer in practical applications, and the plate or structure are towards external environment
And the one side away from electronic equipment internal.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment of the present invention or example.In the present specification, schematic expression of the above terms is not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It is combined in an appropriate manner in one or more embodiments or example.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the different embodiments described in this specification or example and different embodiments or exemplary feature
It closes and combines.
Although the embodiment of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, those of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changes, replacing and modification.
Claims (19)
1. a kind of housing for mobile terminal, which is characterized in that including：
Matrix；
Printed layer, the printed layer are set on the matrix；
Soft prime coat, the soft prime coat are arranged on one side of the printed layer away from described matrix；And
Top coat layer, the top coat layer are arranged on the one side of the soft prime coat away from the printed layer.
2. housing according to claim 1, which is characterized in that the hardness of the soft prime coat, less than the top coat layer
Hardness.
3. housing according to claim 1, which is characterized in that further comprise：
Optical coatings, the optical coatings are arranged between described matrix and the printed layer.
4. housing according to claim 1, which is characterized in that the printed layer is formed by stamping technique.
5. housing according to claim 4, which is characterized in that forming the material of the soft prime coat includes PU.
6. housing according to claim 1, which is characterized in that further comprise：Injection structure, the injection structure are set
In one side of the described matrix away from the printed layer.
7. housing according to claim 6, which is characterized in that at least one of the injection structure and described matrix are
It is formed by inner membrance injection molding technology, includes PC for the plastics of the inner membrance injection molding technology, the melt index of the plastics is small
In 28g/10min.
8. housing according to claim 7, which is characterized in that the plastics are by the first resin and the second resin, are led to
Cross what melting coextrusion was formed, wherein, the molecular weight of first resin is more than the molecular weight of second resin.
9. housing according to claim 8, which is characterized in that second resin includes PC, PC in second resin
Molecular weight be 20,000~50,000.
10. housing according to claim 8, which is characterized in that first resin is the blending for including PC and ABS
Object.
11. the housing according to claim 9 or 10, which is characterized in that the molecular weight of the PC in first resin is more than
The molecular weight of PC in second resin.
12. housing according to claim 8, which is characterized in that the quality of first resin and second resin
Than being more than 1：1.
A kind of 13. method for preparing claim 1-12 any one of them housings, which is characterized in that including：
Injection diaphragm is provided, the injection diaphragm includes release film and printed layer, and the printed layer is arranged on the release film
One side；
The injection diaphragm and matrix are placed in mold, and pass through inner membrance injection molding technology, the injection diaphragm is fixed on
Described matrix one side, wherein, the one side that the injection diaphragm is provided with the printed layer is set towards described matrix；
The release film of the injection diaphragm is removed, to expose the printed layer；
In one side of the printed layer away from described matrix, soft prime coat is formed；And
In the one side of the soft prime coat away from the printed layer, top coat layer is formed, to obtain the housing.
14. according to the method for claim 13, which is characterized in that providing the injection diaphragm includes：
Parting agent layer is formed on release film matrix, to form the release film；
In one side of the parting agent layer away from the release film matrix, coining processing is carried out to embossing glue, to form print
Flower layer.
15. according to the method for claim 14, which is characterized in that further comprise：
In one side of the printed layer away from the release film, optical coatings are formed.
16. according to the method for claim 13, which is characterized in that the soft prime coat is by being dried to PU priming paint
Roasting and formation, the baking temperature of the baking is 70~80 degrees Celsius, and the baking time is 15 minutes.
17. according to the method for claim 13, which is characterized in that the top coat layer is by being exposed place to UV finishing coats
It manages and is formed, the conditions of exposure of the exposure-processed is 1200mj/cm2。
18. according to the method for claim 17, which is characterized in that the exposure-processed further comprises：It is taken the photograph 45~60
Under family name's degree, the UV finishing coats are toasted 5~15 minutes.
19. a kind of mobile terminal, which is characterized in that including：
Display screen；
Housing, the housing are claim 1-12 any one of them, and the housing and the display screen limit appearance
Receive space；
Mainboard and battery, the battery are configured to as the mainboard and display screen power supply, the mainboard
And the battery is arranged in the accommodation space.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711078340.6A CN108099096A (en) | 2017-11-06 | 2017-11-06 | Housing for mobile terminal and preparation method thereof, mobile terminal |
| PCT/CN2018/114136 WO2019086040A1 (en) | 2017-11-06 | 2018-11-06 | Housing and manufacturing method thereof, and electronic apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711078340.6A CN108099096A (en) | 2017-11-06 | 2017-11-06 | Housing for mobile terminal and preparation method thereof, mobile terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108099096A true CN108099096A (en) | 2018-06-01 |
Family
ID=62207572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711078340.6A Pending CN108099096A (en) | 2017-11-06 | 2017-11-06 | Housing for mobile terminal and preparation method thereof, mobile terminal |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN108099096A (en) |
| WO (1) | WO2019086040A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019086040A1 (en) * | 2017-11-06 | 2019-05-09 | Oppo广东移动通信有限公司 | Housing and manufacturing method thereof, and electronic apparatus |
| CN110406013A (en) * | 2019-08-02 | 2019-11-05 | 惠州Tcl移动通信有限公司 | Terminal shell and preparation method thereof |
| CN111726511A (en) * | 2020-07-28 | 2020-09-29 | Oppo广东移动通信有限公司 | Camera decoration part and processing method thereof, and electronic equipment |
| CN112867301A (en) * | 2019-11-12 | 2021-05-28 | Oppo广东移动通信有限公司 | Shell assembly, preparation method and electronic equipment |
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| CN103370195A (en) * | 2011-01-28 | 2013-10-23 | 大日本印刷株式会社 | Decorative sheet, and decorative resin-molded article employing same |
| CN203813825U (en) * | 2013-12-05 | 2014-09-03 | 浙江兆奕科技有限公司 | Cell phone housing with soft tactile impression |
| CN107069179A (en) * | 2017-01-25 | 2017-08-18 | 广东欧珀移动通信有限公司 | Housing, method for producing shell, antenna assembly and mobile terminal |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| TWM407588U (en) * | 2011-01-18 | 2011-07-11 | Elitegroup Computer Sys Co Ltd | Casing structure |
| CN202663676U (en) * | 2012-06-04 | 2013-01-09 | 泰邦科技股份有限公司 | Shell of portable electronic device |
| JP6064495B2 (en) * | 2012-09-28 | 2017-01-25 | 大日本印刷株式会社 | Decorative sheet and decorative resin molded product |
| CN203748140U (en) * | 2013-12-30 | 2014-07-30 | 比亚迪股份有限公司 | Mobile terminal shell |
| CN106103086A (en) * | 2014-03-24 | 2016-11-09 | 大日本印刷株式会社 | Cosmetic sheet and decorated resin products formed |
| CN108099096A (en) * | 2017-11-06 | 2018-06-01 | 广东欧珀移动通信有限公司 | Housing for mobile terminal and preparation method thereof, mobile terminal |
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2017
- 2017-11-06 CN CN201711078340.6A patent/CN108099096A/en active Pending
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2018
- 2018-11-06 WO PCT/CN2018/114136 patent/WO2019086040A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103370195A (en) * | 2011-01-28 | 2013-10-23 | 大日本印刷株式会社 | Decorative sheet, and decorative resin-molded article employing same |
| CN203813825U (en) * | 2013-12-05 | 2014-09-03 | 浙江兆奕科技有限公司 | Cell phone housing with soft tactile impression |
| CN107069179A (en) * | 2017-01-25 | 2017-08-18 | 广东欧珀移动通信有限公司 | Housing, method for producing shell, antenna assembly and mobile terminal |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019086040A1 (en) * | 2017-11-06 | 2019-05-09 | Oppo广东移动通信有限公司 | Housing and manufacturing method thereof, and electronic apparatus |
| CN110406013A (en) * | 2019-08-02 | 2019-11-05 | 惠州Tcl移动通信有限公司 | Terminal shell and preparation method thereof |
| CN112867301A (en) * | 2019-11-12 | 2021-05-28 | Oppo广东移动通信有限公司 | Shell assembly, preparation method and electronic equipment |
| CN111726511A (en) * | 2020-07-28 | 2020-09-29 | Oppo广东移动通信有限公司 | Camera decoration part and processing method thereof, and electronic equipment |
| CN111726511B (en) * | 2020-07-28 | 2021-09-24 | Oppo广东移动通信有限公司 | Camera decoration part and processing method thereof, and electronic equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019086040A1 (en) | 2019-05-09 |
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