CN106145644A - The manufacture method of a kind of glass cover-plate, glass cover-plate and mobile terminal - Google Patents
The manufacture method of a kind of glass cover-plate, glass cover-plate and mobile terminal Download PDFInfo
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- CN106145644A CN106145644A CN201610481121.1A CN201610481121A CN106145644A CN 106145644 A CN106145644 A CN 106145644A CN 201610481121 A CN201610481121 A CN 201610481121A CN 106145644 A CN106145644 A CN 106145644A
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- glass substrate
- double curved
- curved glass
- area
- predetermined color
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B33/00—Severing cooled glass
- C03B33/02—Cutting or splitting sheet glass or ribbons; Apparatus or machines therefor
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B23/00—Re-forming shaped glass
- C03B23/02—Re-forming glass sheets
- C03B23/023—Re-forming glass sheets by bending
- C03B23/03—Re-forming glass sheets by bending by press-bending between shaping moulds
- C03B23/0307—Press-bending involving applying local or additional heating, cooling or insulating means
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/001—General methods for coating; Devices therefor
- C03C17/002—General methods for coating; Devices therefor for flat glass, e.g. float glass
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/34—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C2217/00—Coatings on glass
- C03C2217/70—Properties of coatings
- C03C2217/72—Decorative coatings
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Surface Treatment Of Glass (AREA)
Abstract
The invention provides the manufacture method of a kind of glass cover-plate, glass cover-plate and mobile terminal, relate to terminal manufacture technology field, solve existing glass cover-plate and be substantially plane or 2.5D, homogeneity is serious, it is difficult to meet people's problem to high-quality appearance requirement.This manufacture method includes: cut glass baseplate and hot-pressing processing, obtains double curved glass substrate；The double-edged edge of double curved glass substrate is cambered surface, and the cambered surface bending direction of the tow sides edge of double curved glass substrate is identical；The reverse side of double curved glass substrate is formed the first area being coated with the first predetermined color, obtains double curved glass cover plate；First area is the region on double curved glass substrate in addition to predetermined middle window area and predetermined openings.The solution of the present invention defines the 3D double curved glass cover plate with particular color, novel and beautiful appearance, meets people's appearance requirement to glass cover-plate high-quality, and low cost of manufacture.
Description
Technical field
The present invention relates to terminal manufacture technology field, particularly relate to the manufacture method of a kind of glass cover-plate, glass cover-plate and
Mobile terminal.
Background technology
Along with making rapid progress of consumer electronics product, the product competition of various brands is fierce, and consumer is for consumer electricity
The requirement of sub-product is more and more higher, except hardware specification (such as processor, screen size and pixel, the network of electronic product
Standard, camera pixel etc.), the appearance design of electronic product is valued the most very much by consumer.
As a example by TW cover plate in 3C Product, glass cover-plate in the market is substantially plane or 2.5D, homogeneity
Change serious, lack novelty.The most existing glass cover-plate has been difficult to the appearance requirement meeting people to product high-quality.
Summary of the invention
The embodiment of the present invention provides the manufacture method of a kind of glass cover-plate, glass cover-plate and mobile terminal, existing to solve
In technology, glass cover-plate is substantially plane or 2.5D, and homogeneity is serious, lacks novelty, it is difficult to meet people high to product
The problem of the appearance requirement of quality.
First aspect, it is provided that the manufacture method of a kind of glass cover-plate, including:
Glass baseplate is cut and hot-pressing processing, obtain double curved glass substrate；Described double curved glass substrate
Double-edged edge is cambered surface, and the cambered surface bending side of the tow sides edge of described double curved glass substrate
To identical；
The reverse side of described double curved glass substrate is formed the first area being coated with the first predetermined color, obtains hyperbolic
Surface glass cover plate；Described first area be on described double curved glass substrate in the middle of predetermined in addition to window area and predetermined openings
Region.
Second aspect, it is provided that a kind of glass cover-plate, the double-edged edge of described glass cover-plate is cambered surface,
And the cambered surface bending direction of the tow sides edge of described glass cover-plate is identical；
Being formed with the first area being coated with the first predetermined color on the reverse side of described glass cover-plate, described first area is
On described glass cover-plate in the middle of predetermined region in addition to window area and predetermined openings.
The third aspect, additionally provides a kind of mobile terminal, including glass cover-plate as above.
So, in the embodiment of the present invention, first glass baseplate is cut and hot-pressing processing, obtain double curved glass base
Plate, the double-edged edge of this double curved glass substrate is cambered surface, and the tow sides of this double curved glass substrate
The cambered surface bending direction of edge is identical；Then formed on the reverse side of double curved glass substrate and be coated with the first predetermined color
The first area of (such as white), thus obtain double curved glass cover plate (the alternatively referred to as 3D double curved glass with particular color
Cover plate), wherein first area is the region on double curved glass substrate in addition to predetermined middle window area and predetermined openings.Logical
Cross brand-new technique making and define the 3D double curved glass cover plate with particular color, novel in appearance, good visual effect, meet
People appearance requirement to glass cover-plate high-quality, and low cost of manufacture, can be mass, be with a wide range of applications.
Efficiently solving glass cover-plate in prior art and be substantially plane or 2.5D, homogeneity is serious, lacks novelty, it is difficult to full
Foot people's problem to the appearance requirement of product high-quality.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, below will be in embodiment or description of the prior art
The required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only some realities of the present invention
Execute example, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to attached according to these
Figure obtains other accompanying drawing.
Fig. 1 is the flow chart of the manufacture method of glass cover-plate of the present invention；
Fig. 2 is the glass structure schematic diagram before and after the manufacture method CNC process of glass cover-plate of the present invention；
Fig. 3 is the operation chart that the manufacture method of glass cover-plate of the present invention is processed by hot pressing die；
Fig. 4 is the concrete applicating flow chart of the manufacture method of glass cover-plate of the present invention；
Fig. 5 is the structural representation of the glass cover-plate that the manufacture method of glass cover-plate of the present invention obtains.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is a part of embodiment of the present invention rather than whole embodiments wholely.Based on this
Embodiment in bright, the every other enforcement that those of ordinary skill in the art are obtained under not making creative work premise
Example, broadly falls into the scope of protection of the invention.
First embodiment
As it is shown in figure 1, the manufacture method of the glass cover-plate of the embodiment of the present invention, including:
Step 101, cuts glass baseplate and hot-pressing processing, obtains double curved glass substrate；Described hyperboloid glass
The double-edged edge of glass substrate is cambered surface, and the arc of the tow sides edge of described double curved glass substrate
Face bending direction is identical.
Here, by glass baseplate being cut and hot-pressing processing, obtain 3D double curved glass, use this 3D hyperbolic
The glass cover-plate that surface glass makes, has more attractive, novel appearance, and has more preferable visual effect.
Step 102, forms the first area being coated with the first predetermined color on the reverse side of described double curved glass substrate,
Obtain double curved glass cover plate；Described first area is except making a reservation for middle window area and making a reservation on described double curved glass substrate
Region outside perforate.
Here, by forming the first area of the first predetermined color on the reverse side of double curved glass substrate, had
There is the 3D double curved glass cover plate of particular color.
First predetermined color can be such as white, pink, powder green, purple powder, rose gold etc..Specifically can be according to actual need
Seek any one color of selection, in this no limit.
The manufacture method of the glass cover-plate of the embodiment of the present invention, is defined by brand-new technique making and has particular color
3D double curved glass cover plate, novel in appearance, good visual effect, meet people's appearance requirement to glass cover-plate high-quality,
And low cost of manufacture, can be mass, be with a wide range of applications.Efficiently solve in prior art glass cover-plate the most all
Being plane or 2.5D, homogeneity is serious, lacks novelty, it is difficult to meet people's asking the appearance requirement of product high-quality
Topic.
Preferably, the step of above-mentioned steps 101 may include that
Step 1011, carries out cutting process to glass baseplate, obtains the first stage glass base of predefined size, reservation shape
Material.
Here, first glass baseplate is carried out cutting process according to predefined size, reservation shape so that the glass after cutting
Base material matches with the size of terminal unit.
Step 1012, by hot pressing die set in advance, to described first stage glass base under the first predetermined temperature
Material carries out hot pressing, obtains first stage double curved glass substrate.
Here, by hot pressing die set in advance, use uniform pressure to first stage glass under the first predetermined temperature
Glass base material carries out hot pressing, can quickly obtain molding effect preferable double curved glass substrate.
Wherein, first stage glass baseplate progressively can be heated up, sequentially be heated to soft state, then to softening shape
The glass baseplate of state carries out hot pressing.
Step 1013, cools down described first stage double curved glass substrate, obtains second stage double curved glass
Substrate.
Here, at high operating temperatures glass baseplate is carried out hot-forming after, need the double curved glass substrate that will obtain
It is cooled to room temperature, so that double curved glass substrate to be further processed.
Wherein, first stage double curved glass substrate progressively can be cooled down, sequentially be cooled to room temperature.
Now, by cutting, the PROCESS FOR TREATMENT such as hot-forming, obtain molding effect preferable double curved glass substrate,
Guarantee is provided for ensuing further process.
Concrete, in above-mentioned steps 1011, blanking can be first passed around, large stretch of glass baseplate is cut into correspondingly-sized
Little sheet glass；Then CNC (Computer Numerical Control, computer digital control machine tool) is used to process small pieces glass
The appearance profile of glass and the curved surface of edge；As in figure 2 it is shown, little sheet glass 1 through CNC process after obtained predefined size,
The first stage glass baseplate 2 of reservation shape.
In the above-mentioned steps of the embodiment of the present invention, owing to CNC can use the silver-colored steel with gang tool design to prop up emery wheel and convex
The localization tool of shape, one carrys out wearability relatively by force, and two also time processing to become appearance profile, the curved portion of little sheet glass 1
Type, midway, without tool changing, improves yield rate and working (machining) efficiency.
Concrete, in above-mentioned steps 1012, hot pressing die preferentially uses graphite material, and carries out the surface of graphite material
High accuracy polishing.The hot-die made due to graphite has a preferable heat conductivility, the most hot-forming soon, and graphite material
Surface is through high accuracy polishing, it is ensured that the flatness of finished surface and smoothness；Secondly as graphite material has high temperature resistant
Performance, thermal coefficient of expansion are the least, and the hot pressing die in the embodiment of the present invention uses graphite material, can increase the service life.
Wherein, hot pressing die can include top board 3 and lower platen 4, and top board 3 is arranged on the top of lower platen 4.And upper pressure
The lower surface of plate 3 forms first arc shape corresponding with the reverse side of double curved glass substrate, and the upper surface of lower platen 4 is formed
The second arc shape answered with the vis-a-vis of double curved glass substrate.The additionally upper surface of top board 3 and the following table of lower platen 4
Face is respectively provided with having heaters 5.
During as it is shown on figure 3, above-mentioned steps 1012 carries out hot pressing by hot pressing die to first stage glass baseplate, first can be
First stage glass baseplate 2 is placed between the top board 3 of hot pressing die and lower platen 4, now first stage glass baseplate 2
Remain as flat shape；By heater 5, first stage glass baseplate 2 is progressively heated up again, make glass sequentially be heated to
Soft state；Then pressure applied above to top board 3 under the first predetermined temperature, makes lower surface and the lower platen 4 of top board 3
Upper surface be gripping under pressure together, now there is modification in first stage glass baseplate 2；Finally by top board 3 from
Removing above lower platen 4, the double curved glass substrate taking out molding is progressively lowered the temperature.
Wherein general heat pressing process temperature is set between 500 DEG C-780 DEG C, and the first predetermined temperature refers to general hot pressing
Technological temperature is arranged.
Further, above-mentioned steps 1012,1013 can include 11 following road molding procedure: the first step heats up, temperature 500
℃；Second step heats up, temperature 550 DEG C；3rd step heats up, temperature 650 DEG C；4th step heats up, temperature 750 DEG C；5th step pressurization,
Temperature 750 DEG C, pressure 20N/cm2；6th step heats up and pressurizes, temperature 770 DEG C, pressure 30N/cm2；7th step intensification blood pressure lowering, temperature
Spend 800 DEG C, pressure 20N/cm2；8th step cooling, temperature 750 DEG C；9th step cooling, temperature 700 DEG C；Tenth step cooling, temperature
600℃；11st step cooling, temperature 550 DEG C；May also include the cooling outside 4 step equipment below, be gradually cooled to room temperature, each
The step time is 90 seconds.
Now, cold by the material putting into hot pressing die is progressively heated up sequentially heating, progressively pressurization and favorable balance
But, molding effect preferable double curved glass substrate has been obtained.
After obtaining double curved glass substrate, specific face can be formed by above-mentioned steps 102 at double curved glass substrate back side
Color.Preferably, the step of above-mentioned steps 102 may include that
Step 1021, on the reverse side of described double curved glass substrate, the region in addition to described first area arranges protection
Film.
Here, first pass through in the region in addition to described first area (such as predetermined middle window area and predetermined openings district
Territory) protecting film is set, it is to avoid impact on these regions in processing procedure afterwards.
Step 1022, uses the first predetermined color ink to spray and toast the reverse side of described double curved glass substrate
Process.
Here, whole even application the first predetermined color ink of the reverse side at double curved glass substrate, such as white ink, dries
After Kao, obtain the whole face of reverse side and be coated with the double curved glass substrate of the first predetermined color.
Step 1023, removes protecting film, forms the first area being coated with ground floor the first predetermined color.
Here, after being removed by the protecting film arranged, due to the bridging effect of protecting film, predetermined middle window area is with predetermined
Opening area will not colour, therefore, it is possible to form the first area being coated with ground floor the first predetermined color.Preferably,
First predetermined color ink thickness of ground floor is 8-10 μm.
However, it should be understood that, ground floor the first predetermined color that first area covers, often due to thickness relatively
Little or cover the reasons such as uneven, affect color effects, therefore, be coated with the first of ground floor the first predetermined color being formed
After the step in region, also include:
Step 1024, use the first predetermined color photoresistance to spray the reverse side of described double curved glass substrate, soft baking,
Exposure, development and hard baking process, and form the first area being coated with the second layer the first predetermined color.
Here, in order to strengthen the coloring effect of first area, use spraying, soft baking, expose, develop and hard baking process,
Form the photoresistance of the second layer the first predetermined color on the ground floor ink of the reverse side first area of double curved glass substrate, covered
It is stamped the first area of two-layer the first predetermined color.Preferably, the photoresistance thickness of the first predetermined color of the second layer is 7-10 μm.
Preferably, this step 1024 uses gold-tinted technique, and this gold-tinted technique is lithographic techniques, and use sensitive material is as photoresistance, photosensitive
Material can occur chemical change under the effect of UV light, becomes the novel substance being soluble in acid or alkali.
Additionally, in the embodiment of the present invention, formed the first area being coated with the second layer the first predetermined color step it
After, also include:
Step 1025, use the second predetermined color photoresistance to spray the reverse side of described double curved glass substrate, soft baking,
Exposure, development and hard baking process, and are formed at the first area being coated with the second predetermined color on the second layer the first predetermined color.
Here, on the first area being coated with two-layer the first predetermined color, use the second predetermined color photoresistance to spray
Painting, soft baking, expose, develop and hard baking process, then cover upper second predetermined color photoresistance.
Now, the reverse side at double curved glass substrate defines specific color, thus has obtained having particular color
3D double curved glass cover plate, adds novelty, has beautified appearance.The big face colouring of two-layer the first predetermined color processes,
And use the process that hinders as lid bottom season of the second predetermined color photoresistance, it is to avoid and the first predetermined color printing opacity, it is further ensured that
The color effects formed on 3D double curved glass cover plate.And technological effect is good, low cost.
No matter it should be noted that the photoresistance of the ink of ground floor the first predetermined color, the second layer the first predetermined color is also
It is the photoresistance of the second predetermined color, in order to ensure the coloring effect of first area, can be as required at respective place in the present invention
All by respective processing technology is repeated several times in reason, make a reservation for obtaining being coated with the first predetermined color of more preferably thickness and second
Color, thus improve color effects, often, the gross thickness finally given can control in 30 ± 5 μm.
Wherein, it has been mentioned hereinbefore that the first predetermined color can be such as white, pink, powder green, purple powder, rose gold
Deng.Specifically can select any one color according to the actual requirements, in this no limit.
Second predetermined color covers on the first predetermined color, it is to avoid the first predetermined color printing opacity, therefore optional deeper
Color, such as black, black-and-blue etc..Certainly, the second predetermined color selects also dependent on actual demand, does not makees at this
Limit.
Wherein, before using particular color ink to whole even application of reverse side of double curved glass substrate, also can first basis
The shape of double curved glass substrate makes corresponding spray finishing jig, then by spray finishing jig further need not spray to
Regions shield.Spray distance typically uses 13cm, and toasts in process, and baking time is preferably 10 minutes, and baking temperature is preferred
It it is 150 DEG C.
Wherein, it is preferred that described protecting film uses high temperature resistance polyester thin film.
Will be appreciated that high temperature resistance polyester thin film has another name called PET film, there is physical property, chemical property and the chi of excellence
Very little stability, the transparency, recuperability, it is possible to realize predetermined middle window area and predetermined openings region are more preferably protected effect
Really.Certainly, protecting film can also use the thin film of other materials to realize, and does not repeats them here.
Concrete, in above-mentioned steps 1024, the described reverse side to described double curved glass substrate uses the first predetermined color
Photoresistance carries out spraying, soft baking, expose, develop and step that hard baking processes may include that
Step 10241, uses the first predetermined color photoresistance to carry out spray treatment the reverse side of described double curved glass substrate.
Here, corresponding spray finishing jig can be made according to the shape of double curved glass substrate, then be existed by spray finishing jig
Whole even application the first predetermined color photoresistance of the reverse side of glass substrate, such as white photoresistance.
Step 10242, carries out soft baking process to described double curved glass substrate, obtains the first predetermined color light of semi-solid preparation
Resistance.
Here, the double curved glass substrate spraying upper first predetermined color photoresistance is carried out soft baking, make the of script liquid
One predetermined color photoresistance semi-solid preparation, concrete, baking time can be 5 minutes, and baking temperature can be 180 DEG C.
Step 10243, after covering the first predetermined color photoresistance of the semi-solid preparation of described first area, uses ultraviolet
Line is exposed processing.
Here, can use and cover plate MASK to needing to retain the region of the first predetermined color photoresistance, i.e. to first area
First predetermined color photoresistance covers, and leaves the described double curved glass substrate the first predetermined color photoresistance in addition to first area
It is exposed.
Such as, the first predetermined color photoresistance of middle window area and some position of opening is exposed, and after passing through
Continuous step, the first predetermined color photoresistance being exposed can be eliminated.
In this step, after the first predetermined color photoresistance of the semi-solid preparation of described first area is covered, use ultraviolet
Double curved glass substrate is exposed by line, and the first predetermined color photoresistance can occur chemical change under the effect of ultraviolet,
Become the novel substance being soluble in acid or alkali.Wherein, can use ultraviolet (UV) lamp that double curved glass substrate is exposed, expose ripple
Length can be specially 360nm, and exposure energy is specially 1800MJ.
Step 10244, after described double curved glass substrate is immersed in developer solution dissolving, carries out hard baking cured.
After being immersed in developer solution by double curved glass substrate in this step, the photoresistance being exposed part is rapidly dissolved in development
In liquid, unexposed portion photoresistance dissolves slowly, thus shows the pattern of unexposed portion photoresistance, and then at described hyperboloid glass
Forming particular color on glass substrate, wherein, developer solution can be specially Tetramethylammonium hydroxide, and concentration is 2.38%.In this step
The temperature of hard baking solidification is 240 DEG C, and baking time is 20 minutes.
Now, through gold-tinted technique, i.e. spraying, soft baking, expose, develop and hard baking process, obtained in first area shape
Becoming the double curved glass substrate of the second layer the first predetermined color, technological process is short, efficiency is high, and technological effect is good, low cost.
In order to avoid the first predetermined color photoresistance printing opacity further, need to cover one layer of face on the first predetermined color photoresistance
The deeper photoresistance of color does at the bottom of lid.Concrete, in step 1025, the described reverse side to described double curved glass substrate uses second pre-
Determine color photoresistance to carry out spraying, soft baking, expose, develop and step that hard baking processes includes:
Step 10251, uses the second predetermined color photoresistance to carry out spray treatment the reverse side of described double curved glass substrate.
Here, corresponding spray finishing jig can be made according to the shape of double curved glass substrate, then be existed by spray finishing jig
Whole even application the second predetermined color photoresistance of the reverse side of glass substrate, such as black photoresistance.
Step 10252, carries out soft baking process to described double curved glass substrate, obtains the second predetermined color light of semi-solid preparation
Resistance.
Here, the double curved glass substrate spraying upper second predetermined color photoresistance is carried out soft baking, make the of script liquid
Two predetermined color photoresistance semi-solid preparations, concrete, baking time can be 5 minutes, and baking temperature can be 180 DEG C.
Step 10253, after covering the second predetermined color photoresistance of the semi-solid preparation of described first area, uses ultraviolet
Line is exposed processing.
Here, can use and cover plate MASK to needing to retain the region of the second predetermined color photoresistance, i.e. to first area
Second predetermined color photoresistance covers, and leaves the described double curved glass substrate the second predetermined color photoresistance in addition to first area
It is exposed.
Such as, the second predetermined color photoresistance of middle window area and some position of opening is exposed, and after passing through
Continuous step, the second predetermined color photoresistance being exposed can be eliminated.
In this step, after the second predetermined color photoresistance of the semi-solid preparation of described first area is covered, use ultraviolet
Double curved glass substrate is exposed by line, and the second predetermined color photoresistance can occur chemical change under the effect of ultraviolet,
Become the novel substance being soluble in acid or alkali.Wherein, can use ultraviolet (UV) lamp that double curved glass substrate is exposed, expose ripple
Length can be specially 360nm, and exposure energy is specially 1800MJ.
Step 10254, after described double curved glass substrate is immersed in developer solution dissolving, carries out hard baking cured.
After being immersed in developer solution by double curved glass substrate in this step, the photoresistance being exposed part is rapidly dissolved in development
In liquid, unexposed portion photoresistance dissolves slowly, thus shows the pattern of unexposed portion photoresistance, and then at described hyperboloid glass
Forming particular color on glass substrate, wherein, developer solution can be specially Tetramethylammonium hydroxide, and concentration is 2.38%.In this step
The temperature of hard baking solidification is 240 DEG C, and baking time is 20 minutes.
Now, by covering the second predetermined color photoresistance on the basis of the first predetermined color photoresistance, it is to avoid first is pre-
Determine at the bottom of color of light gas barrier, it is ensured that the appearance that the first predetermined color reaches.
Here, as a example by black photoresistance, after single gold-tinted technique, black photoresistance thickness is about 3-5 μm, the most also can root
According to needing degree at the bottom of the black lid reached to regulate the number of times that gold-tinted technique is carried out.
In the embodiment of the present invention, in order to increase the appearance of glass cover-plate further, it is preferred that above-mentioned steps 102
Before step, described manufacture method can also include:
Step 103, forms the second area being coated with the 3rd predetermined color on the reverse side of described double curved glass substrate,
Described second area is the transition region on described double curved glass substrate between first area and described predetermined middle window area
Territory, and described second area is around described predetermined middle window area.
Here, second area can be by the lines of reservation shape around middle window area, to form specific lines.Should
The lines of reservation shape such as lines or the lines etc. of lattice shape that can be rectilinear form.
Wherein the 3rd predetermined color selects also dependent on actual demand, as being black, blueness etc., does not limits at this
Fixed.
It is different colours as the preferably the 3rd predetermined color and the first predetermined color.
Assuming that second area passes through the lines of rectilinear form around middle window area, and the 3rd predetermined color is black,
Then second area shows as a black surround.
Now, by forming the second area being coated with the 3rd predetermined color on double curved glass substrate, it is possible to obtain
There is the 3D double curved glass cover plate of specific lines (such as black surround), further increase novelty and the outward appearance effect of glass cover-plate
Really.
Preferably, above-mentioned steps 103 may include that
Step 1031, arranges bat printing metallograph, and described metallograph has the groove suitable with described second area or stricture of vagina
Road；
Step 1032, arranges shift printing rubber head；
Step 1033, uses tampon-printing process to be formed on the reverse side of described double curved glass substrate and is coated with the 3rd predetermined face
The second area of color.
Here, with specific reference to the 3D cambered surface of double curved glass substrate and need to print position and the size of black surround, manufacture
Corresponding shift printing rubber head and bat printing metallograph, the lines above metallograph leads to overetched mode and makes.Want according to tolerance simultaneously
Seeking the corresponding bat printing board of manufacture, minimal tolerance can be controlled in ± 0.02mm.
Now, the secondth district of specific lines can be had by the way of bat printing in the reverse side formation of double curved glass substrate
Territory, thus obtain the 3D double curved glass cover plate with specific lines, add novelty, beautified appearance, and passed through
The mode of bat printing makes black surround, shortens processing procedure, reduces cost.
Further, before the step of above-mentioned steps 102, described manufacture method can also include a strengthening step, specifically
Including:
Step 104, is pre-configured with the fused salt with the second predetermined temperature；
Step 105, carries out intensive treatment by described fused salt to described double curved glass substrate, the hyperboloid glass strengthened
Glass substrate.
Here, the high-temperature molten salt being pre-configured with, it is possible to the mechanism spread by ion changes the surface composition of glass, enters
And improve the intensity of glass.Concrete, at a certain temperature glass is immersed in high-temperature molten salt, the sodium ion in glass with
Potassium ion in fused salt is intercoursed because of diffusion, produces " jammed " phenomenon, makes glass surface produce compression stress, thus
The intensity of glass can be improved.
Now, by fused salt, glass is strengthened, add the intensity of glass cover-plate, improve the practicality of product.
Wherein fused salt material comprise the steps that KNO3, AL2O3, potassium silicate, kieselguhr and some other auxiliary agents (KNO3, AL2O3,
Potassium silicate and diatomaceous component ratio are preferably 6:2:1:1).
The temperature of fused salt bathing pool, the i.e. second predetermined temperature can be: 380-550 DEG C, glass and the pure exchange of ion in fused salt
Time is preferably at more than 4H.
Shown in Fig. 4, the one of the embodiment of the present invention is implemented flow process and is illustrated below:
The manufacture method of the glass cover-plate of the embodiment of the present invention, including:
Step 201, after large stretch of glass baseplate is cut into little sheet glass, uses CNC to process the profile wheel of little sheet glass
Exterior feature and curved surface, obtained the first stage glass baseplate of predefined size, reservation shape；
Step 202, by hot pressing die set in advance, processes first stage glass baseplate through 11 road molding procedure
Become double curved glass substrate；
Step 203, by the high-temperature molten salt being pre-configured with, carries out intensive treatment to double curved glass substrate；
Step 204, by arranging bat printing metallograph and shift printing rubber head, uses anti-at double curved glass substrate of tampon-printing process
The black surround around middle window area is formed on face；
Step 205, in the black surround region of reverse side of double curved glass substrate, predetermined middle window area and predetermined openings district
Territory arranges protecting film；
Step 206, uses white ink to spray the reverse side of double curved glass substrate and baking processes, at hyperboloid
Whole of the reverse side of glass substrate covers white ink；
Step 207, removes protecting film, is formed and cover white ink on the first area of the reverse side of double curved glass substrate
White portion；
Step 208, uses the reverse side of double curved glass substrate white photoresistance to spray, soft baking, exposes, develop and firmly
Roasting process, covers white photoresistance on the white ink of the white portion of the reverse side of double curved glass substrate again；
Step 209, uses black photoresistance to spray the reverse side of double curved glass substrate, soft baking, exposes, develop and firmly
Roasting process, after covering at the bottom of black lid, has obtained final double curved glass lid on the white portion of double curved glass substrate
Plate.
Through the double curved glass cover plate that above-mentioned operation makes, as it is shown in figure 5, define spy on this double curved glass cover plate
Fixed color (white portion 6) and lines (around the black surround 8 of middle window area 7).
To sum up, the manufacture method of the glass cover-plate of the embodiment of the present invention, defined by brand-new technique making and there is spy
Determine the 3D double curved glass cover plate of color and lines, novel in appearance, good visual effect；Numerous consumer electronics products provide
The effect of great differentiation and experience, meet people's appearance requirement to glass cover-plate high-quality；And low cost of manufacture, can
Batch production, is with a wide range of applications.Efficiently solve glass cover-plate in prior art and be substantially plane or 2.5D,
Homogeneity is serious, lacks novelty, it is difficult to meet people's problem to the appearance requirement of product high-quality.
Second embodiment
Embodiments providing a kind of glass cover-plate, the double-edged edge of described glass cover-plate is arc
Face, and the cambered surface bending direction of the tow sides edge of described glass cover-plate is identical；
Being formed with the first area being coated with the first predetermined color on the reverse side of described glass cover-plate, described first area is
On described glass cover-plate in the middle of predetermined region in addition to window area and predetermined openings.
The glass cover-plate of the embodiment of the present invention, for having the 3D double curved glass cover plate of particular color, novel in appearance, vision
Effective；In numerous consumer electronics products, provide effect and the experience of great differentiation, meet people to glass cover
The appearance requirement of plate hight quality；And low cost of manufacture, can be mass, be with a wide range of applications.Efficiently solve existing
In technology, glass cover-plate is substantially plane or 2.5D, and homogeneity is serious, lacks novelty, it is difficult to meet people high to product
The problem of the appearance requirement of quality.
It should be noted that the glass cover-plate of the embodiment of the present invention can be obtained by the manufacture method of above-mentioned glass cover-plate.
Wherein, in the manufacture method embodiment of above-mentioned glass cover-plate, all implementations are all be applicable to the embodiment of this glass cover-plate,
Also same technique effect can be reached.
3rd embodiment
Owing to the glass cover-plate of the embodiment of the present invention is applied to mobile terminal, therefore, the embodiment of the present invention additionally provides one
Plant mobile terminal, including: the glass cover-plate as described in above-described embodiment.
The mobile terminal of the present invention can be such as the mobile electronic device such as mobile phone, panel computer.
Wherein, the described of above-mentioned glass cover-plate realizes embodiment all be applicable to the embodiment of this mobile terminal, also can reach
To identical technique effect.
The above, the only detailed description of the invention of the present invention, but protection scope of the present invention is not limited thereto, and any
Those familiar with the art, in the technical scope that the invention discloses, can readily occur in change or replace, should contain
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with scope of the claims.
Claims (13)
1. the manufacture method of a glass cover-plate, it is characterised in that including:
Glass baseplate is cut and hot-pressing processing, obtain double curved glass substrate；Described double curved glass substrate positive and negative
The edge on two sides is cambered surface, and the cambered surface bending direction phase of the tow sides edge of described double curved glass substrate
With；
The reverse side of described double curved glass substrate is formed the first area being coated with the first predetermined color, obtains hyperboloid glass
Glass cover plate；Described first area is the district on described double curved glass substrate in addition to predetermined middle window area and predetermined openings
Territory.
Manufacture method the most according to claim 1, it is characterised in that described glass baseplate is cut and at hot pressing
Reason, the step obtaining double curved glass substrate includes:
Glass baseplate is carried out cutting process, obtains the first stage glass baseplate of predefined size, reservation shape；
By hot pressing die set in advance, under the first predetermined temperature, described first stage glass baseplate is carried out hot pressing,
To first stage double curved glass substrate；
Described first stage double curved glass substrate is cooled down, obtains second stage double curved glass substrate.
Manufacture method the most according to claim 1, it is characterised in that described on the reverse side of described double curved glass substrate
The step forming the first area being coated with the first predetermined color includes:
On the reverse side of described double curved glass substrate, the region in addition to described first area arranges protecting film；
Use the first predetermined color ink to spray the reverse side of described double curved glass substrate and baking processes；
Remove protecting film, form the first area being coated with ground floor the first predetermined color.
Manufacture method the most according to claim 3, it is characterised in that be coated with ground floor the first predetermined color being formed
After the step of first area, also include:
Use the first predetermined color photoresistance to spray the reverse side of described double curved glass substrate, soft baking, expose, develop and hard
Roasting process, forms the first area being coated with the second layer the first predetermined color.
Manufacture method the most according to claim 4, it is characterised in that be coated with the second layer the first predetermined color being formed
After the step of first area, also include:
Use the second predetermined color photoresistance to spray the reverse side of described double curved glass substrate, soft baking, expose, develop and hard
Roasting process, is formed at the first area being coated with the second predetermined color on the second layer the first predetermined color.
Manufacture method the most according to claim 3, it is characterised in that described protecting film uses high temperature resistance polyester thin film.
Manufacture method the most according to claim 4, it is characterised in that the described reverse side to described double curved glass substrate is adopted
Carry out spraying with the first predetermined color photoresistance, soft baking, expose, develop and step that hard baking processes includes:
The first predetermined color photoresistance is used to carry out spray treatment the reverse side of described double curved glass substrate；
Described double curved glass substrate is carried out soft baking process, obtains the first predetermined color photoresistance of semi-solid preparation；
After first predetermined color photoresistance of the semi-solid preparation of described first area is covered, ultraviolet is used to be exposed place
Reason；
After described double curved glass substrate is immersed in developer solution dissolving, carry out hard baking cured.
Manufacture method the most according to claim 5, it is characterised in that the described reverse side to described double curved glass substrate is adopted
Carry out spraying with the second predetermined color photoresistance, soft baking, expose, develop and step that hard baking processes includes:
The second predetermined color photoresistance is used to carry out spray treatment the reverse side of described double curved glass substrate；
Described double curved glass substrate is carried out soft baking process, obtains the second predetermined color photoresistance of semi-solid preparation；
After second predetermined color photoresistance of the semi-solid preparation of described first area is covered, ultraviolet is used to be exposed place
Reason；
After described double curved glass substrate is immersed in developer solution dissolving, carry out hard baking cured.
Manufacture method the most according to claim 1, it is characterised in that described on the reverse side of described double curved glass substrate
Before forming the step of the first area being coated with the first predetermined color, described manufacture method also includes:
The reverse side of described double curved glass substrate is formed the second area being coated with the 3rd predetermined color, described second area
For first area on described double curved glass substrate and the transitional region between described predetermined middle window area, and described second
Region is around described predetermined middle window area.
Manufacture method the most according to claim 9, it is characterised in that the described reverse side at described double curved glass substrate
The step of the second area that upper formation is coated with the 3rd predetermined color includes:
Arranging bat printing metallograph, described metallograph has the groove suitable with described second area or lines；
Shift printing rubber head is set；
Tampon-printing process is used to form the second area being coated with the 3rd predetermined color on the reverse side of described double curved glass substrate.
11. manufacture methods according to claim 1, it is characterised in that shape on the reverse side of described double curved glass substrate
Before becoming the step of the first area being coated with the first predetermined color, described manufacture method also includes:
It is pre-configured with the fused salt with the second predetermined temperature；
Described fused salt is carried out intensive treatment to described double curved glass substrate, the double curved glass substrate strengthened.
12. 1 kinds of glass cover-plates, it is characterised in that the double-edged edge of described glass cover-plate is cambered surface, and institute
The cambered surface bending direction of the tow sides edge stating glass cover-plate is identical；
Being formed with the first area being coated with the first predetermined color on the reverse side of described glass cover-plate, described first area is described
On glass cover-plate in the middle of predetermined region in addition to window area and predetermined openings.
13. 1 kinds of mobile terminals, it is characterised in that include glass cover-plate as claimed in claim 12.
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| CN106145653A (en) * | 2016-06-24 | 2016-11-23 | 维沃移动通信有限公司 | The manufacture method of a kind of glass cover-plate, glass cover-plate and mobile terminal |
| CN106145645A (en) * | 2016-06-24 | 2016-11-23 | 维沃移动通信有限公司 | The manufacture method of a kind of glass cover-plate, glass cover-plate and mobile terminal |
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