CN108455829A - Bend glass and preparation method thereof, display screen and mobile terminal - Google Patents
Bend glass and preparation method thereof, display screen and mobile terminal Download PDFInfo
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- CN108455829A CN108455829A CN201810117236.1A CN201810117236A CN108455829A CN 108455829 A CN108455829 A CN 108455829A CN 201810117236 A CN201810117236 A CN 201810117236A CN 108455829 A CN108455829 A CN 108455829A
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- strengthening layer
- glass
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- layer
- presumptive area
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- 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
-
- 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
- C03C15/00—Surface treatment of glass, not in the form of fibres or filaments, by etching
-
- 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
- C03C21/00—Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface
- C03C21/001—Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface in liquid phase, e.g. molten salts, solutions
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- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Surface Treatment Of Glass (AREA)
Abstract
The present invention provides bend glass and preparation method, display screen and mobile terminals.This method includes：Plate glass is provided, two opposite surfaces of plate glass are respectively provided with the first strengthening layer and the second strengthening layer；The presumptive area of first strengthening layer is thinned, so that the thickness of the first strengthening layer is less than the thickness of the second strengthening layer.Thus, by so that there is certain difference in thickness between the presumptive area of the first strengthening layer and the second strengthening layer, it can make to generate certain stress difference between the first strengthening layer of presumptive area and the second strengthening layer, and the stress difference will make plate glass in presumptive area towards the side automatic bending of the second strengthening layer, and then bend glass is formed, the preparation method is simple and fast, high yield rate, it is at low cost, it is energy saving without hot-forming.
Description
Technical field
The present invention relates to glass processings and technical field of electronic products, specifically, be related to bend glass and preparation method thereof,
Display screen and mobile terminal.
Background technology
In the preparation process of electronic product, strengthened glass is essential, but as people are to electronic product appearance
Requirement it is higher and higher, also increasingly like the electronic equipment of Curved screen, thus when preparing electronic product just need prepare show
The glass of screen has certain bending curvature, forms bend glass (such as 2.5D glass or 3D glass), at present mobile phone 3D glass productions
Mainly plain film glass is placed in mold, by heating, bent into shape, then polishing, which is strengthened, is made, and this method is still deposited
In many problems.
Therefore, related bend glass research has deeply.
Invention content
The present invention is directed to solve at least some of the technical problems in related technologies.For this purpose, the present invention
One purpose is to propose a kind of having many advantages, such as to prepare simple, high yield rate, energy saving, at low cost preparing bend glass
Method.
The present invention is inventor based on the further recognition that and finding to obtain：
At present prepare bend glass method be：Glass sawing sheet → CNC (lathe in machining) → polishing → hot bending → throwing
Light → chemical strengthening, but inventor has found in the hot-forming step of glass, with production capacity is low, die life is short, polishing
The shortcomings of low, the comprehensive yield of efficiency is not high.For the technical problem, inventor deeply grinds the method for preparing bend glass
Study carefully discovery, if plate glass is first carried out chemical intensification treatment, obtains that there is the first strengthening layer and the on two opposite surfaces
The presumptive area of the first strengthening layer is thinned again later for the plate glass of two strengthening layers, thus in the presumptive area, the last the first
Changing layer and the second strengthening layer has a difference in thickness, the difference in thickness can make presumptive area the first strengthening layer and the second strengthening layer it
Between generate certain stress difference, and the stress difference will make side automatic bending of the plate glass towards the second strengthening layer, into
And bend glass is formed, moreover, the difference in thickness between the first strengthening layer and the second strengthening layer is bigger, stress difference is bigger, bent
The bending curvature of surface glass is also bigger, in this way, those skilled in the art can prepare various different curvatures according to actual demand
Bend glass, in addition, the preparation method is simple and fast, high yield rate is at low cost, energy saving without hot-forming.
In view of this, in one aspect of the invention, the present invention provides a kind of methods preparing bend glass.According to this
The embodiment of invention, this method include：Plate glass is provided, two opposite surfaces of the plate glass are respectively provided with the last the first
Change layer and the second strengthening layer；The presumptive area of first strengthening layer is thinned, so that the last the first of the presumptive area
The thickness for changing layer is less than the thickness of second strengthening layer.Inventor has found, by the way that the presumptive area of the first strengthening layer is thinned,
It is allowed to that there is certain difference in thickness between the second strengthening layer, which can make the first strengthening layer and the of presumptive area
Certain stress difference is generated between two strengthening layers, and the stress difference will make plate glass in presumptive area towards the last the second
Change the side automatic bending of layer, and then form bend glass, moreover, the difference in thickness between the first strengthening layer and the second strengthening layer
Bigger, stress difference is bigger, and curvature is also bigger, in this way, those skilled in the art can prepare each koji according to actual demand
The bend glass of rate, in addition, the preparation method is simple and fast, high yield rate is at low cost, energy saving without hot-forming.
According to an embodiment of the invention, the thickness of the plate glass is 0.1~1.0 millimeter.
According to an embodiment of the invention, the thickness of first strengthening layer is more than 0 micron and is less than or equal to 100 microns, institute
The thickness for stating the second strengthening layer is more than 0 micron and is less than or equal to 100 microns.
According to an embodiment of the invention, the presumptive area of first strengthening layer is thinned will including passing through polishing or etching
The presumptive area of first strengthening layer is thinned.
According to an embodiment of the invention, it is logical the presumptive area of first strengthening layer to be thinned by the etching
Cross following steps progress：Protective layer is formed on second strengthening layer；The tablet glass of the protective layer will be formed with
Glass immerses in etching solution so that the presumptive area of first strengthening layer to be thinned；Remove the protective layer.
According to an embodiment of the invention, further include being formed on first strengthening layer before immersing the etching solution
The step of protecting pattern.
According to an embodiment of the invention, the thinned thickness of first strengthening layer is more than or equal to 5 microns and to be less than or equal to
100 microns.
According to an embodiment of the invention, the presumptive area is selected from the first strengthening layer whole surface or the last the first
Change the opposite both sides of the edge of layer.
In another aspect of this invention, the present invention provides a kind of bend glasses.According to an embodiment of the invention, the curved surface
Glass is prepared by foregoing method.The high yield rate of the bend glass as a result, use reliability is good, and manufacturing cost is low,
Preparation process is simple, and the market competitiveness is strong.
In still another aspect of the invention, the present invention provides a kind of bend glasses.According to an embodiment of the invention, the curved surface
Glass includes：At least part of glass body, the glass body is configured to segmental arc；Strengthening layer, the strengthening layer are set
It sets on two opposite surfaces of the glass body；Wherein, the thickness of the strengthening layer on the outside of the segmental arc is less than institute
State the thickness of the strengthening layer on the inside of segmental arc.As a result, since the thickness of the strengthening layer on the outside of segmental arc is less than in segmental arc
The thickness of the strengthening layer of side, and the thickness difference can make the two layers of reinforced material being arranged on two opposite surfaces of glass body produce
Raw stress difference so that glass body and strengthening layer and then form and have towards the side automatic bending of the thicker strengthening layer of thickness
The bend glass of segmental arc, moreover, the difference in thickness between two strengthening layers is bigger, stress difference is bigger, the curvature of segmental arc
It is bigger, in this way, those skilled in the art can prepare the bend glass of various curvature according to actual demand, it further, should
Bend glass high yield rate, manufacturing cost is low, energy saving without hot-forming.
According to an embodiment of the invention, the thickness difference of the strengthening layer of on the outside of the segmental arc and inside is with the arc
The increase of the curvature of shape section and increase.
According to an embodiment of the invention, the glass body is generally configured to be the segmental arc or the glass body
Opposite both sides of the edge are configured to the segmental arc.
In still another aspect of the invention, the present invention provides a kind of display screens.According to an embodiment of the invention, the display screen
Including weighing foregoing bend glass.The display screen manufacturing cost is low as a result, and high yield rate, appearance are beautiful, the market competitiveness
By force.Certainly, it will be understood by those skilled in the art that the display screen has all features of foregoing bend glass and excellent
Point, this is no longer going to repeat them.
In still another aspect of the invention, the present invention provides a kind of mobile terminals.According to an embodiment of the invention, the movement
Terminal includes foregoing bend glass or foregoing display screen.The mobile terminal manufacturing cost is low as a result, yield rate
Height, the market competitiveness are strong.Certainly, it will be understood by those skilled in the art that the mobile terminal have foregoing display screen or
All feature and advantage of bend glass, this is no longer going to repeat them.
Description of the drawings
Fig. 1 is the flow diagram that bend glass is prepared in one embodiment of the invention.
Fig. 2 is the structural schematic diagram of another embodiment of the present invention middle plateform glass.
Fig. 3 is the flow diagram that bend glass is prepared in another embodiment of the invention.
Fig. 4 is the structural schematic diagram of another embodiment curved surface glass sheet of the invention.
Fig. 5 is the structural schematic diagram of another embodiment curved surface glass sheet of the invention.
Fig. 6 is the structural schematic diagram of another embodiment curved surface glass sheet of the invention.
Fig. 7 is the structural schematic diagram of another embodiment curved surface glass sheet of the invention.
Fig. 8 is the structural schematic diagram of another embodiment curved surface glass sheet of the invention.
Reference numeral：
10：First strengthening layer 20：Second strengthening layer 30：Plate glass
40：Glass body 50：Strengthening layer
Specific implementation mode
The embodiment of the present invention is described below in detail.The embodiments described below is exemplary, and is only used for explaining this hair
It is bright, and be not considered as limiting the invention.Particular technique or condition are not specified in embodiment, according to text in the art
It offers described technology or condition or is carried out according to product description.Reagents or instruments used without specified manufacturer,
For can be with conventional products that are commercially available.
In one aspect of the invention, the present invention provides a kind of methods preparing bend glass.Reality according to the present invention
Example is applied, referring to Fig.1, this method includes：
S100：Plate glass 30 is provided, two opposite surfaces of plate glass 30 are respectively provided with the first strengthening layer 10 and the
Two strengthening layers 20, structural schematic diagram is with reference to Fig. 2.
According to an embodiment of the invention, the specific type of plate glass there is no limit require, those skilled in the art according to
Actual demand flexibly selects plate glass applicatory.In an embodiment of the present invention, plate glass includes but not limited to
Corning glass.Intensity is good as a result, and performance is good.
According to an embodiment of the invention, it is contemplated that the specific type of plate glass, performance and prepare the bend glass
The actual conditions such as method, the thickness of plate glass are 0.1~1.0 millimeter, such as 0.4 millimeter, 0.5 millimeter, 0.7 millimeter or 0.9
Millimeter.The bending of plate glass is more advantageous in subsequent step as a result, not only ensures the curved surface glass that predetermined curvature can be obtained
Glass, it is also ensured that the strength character of bend glass；If plate glass is too thin, intensity will weaken, and cause be bent
Damage rupture in journey or during follow-up use；If plate glass is too thick, subsequent step middle plateform glass may be unfavorable for
The bending of glass.
According to an embodiment of the invention, there is no limit requirement, abilities for the forming method of the first strengthening layer and the second strengthening layer
Field technique personnel are prepared using prior art means.In some embodiments of the invention, the first strengthening layer and the are formed
The method of two strengthening layers is：Plate glass is carried out to CNC processing (trepanning or the flash for modifying glass) according to demand first, later
It is processed by shot blasting again, finally the plate glass Jing Guo polishing treatment is positioned in reinforced solution and impregnates the regular hour,
In reinforced solution, the ion in the ion and reinforced solution that are flowed out in plate glass carries out ion exchange, in plate glass
Surface and near-surface region form compressive stress layer, i.e. the first strengthening layer and the second strengthening layer, when plate glass is by the external world
When stress rupture, the first strengthening layer and the second strengthening layer can offset bursting stress, reduce plate glass risk of rupture,
Improve the intensity of plate glass.
According to an embodiment of the invention, also there is no limit requirement, this fields for the thickness of the first strengthening layer and the second strengthening layer
Technical staff is according to the actual demands flexible design such as the specific type of plate glass or the curvature of required bend glass.
In some embodiments of the present invention, the thickness of first strengthening layer is more than 0 micron and less than or equal to 100 microns, described second
The thickness of strengthening layer is more than 0 micron and less than or equal to 100 micron, for example 20 microns, 40 microns, 50 microns, 60 microns or 80 are micro-
Rice.It can not only ensure the intensity of plate glass as a result, but also can realize the requirement in subsequent step to bend glass curvature；If
Thickness is too thick, then the integral thickness of plate glass can be made to thicken, and when it is applied to the electronic products such as mobile phone, is just unfavorable for hand
The lightening design of machine.
S200：The presumptive area of first strengthening layer is thinned, so that the thickness of first strengthening layer of the presumptive area
Thickness of the degree less than second strengthening layer.
According to an embodiment of the invention, there is no limit requiring, those skilled in the art can be according to flat for the selection of presumptive area
The one or more positions being bent needed for glass sheet are selected as presumptive area.In some embodiments of the invention, fate
Domain is selected from the first strengthening layer whole surface, thus can realize the bending of whole face plate glass.In other embodiments of the present invention
In, presumptive area is selected from the opposite both sides of the edge of the first strengthening layer.Thus, it is possible to the curved surface frame design applied to display screen.
Certainly, it will be understood by those skilled in the art that above-mentioned presumptive area is merely illustrative, can not be interpreted as to the present invention's
Limitation, the position that presumptive area can be bent according to actual needs is flexibly arranged.
According to an embodiment of the invention, also there is no limit requirements for the method the first strengthening layer of presumptive area being thinned, only
It wants to be thinned, and has no effect on the performance of plate glass and strengthening layer.In an embodiment of the present invention, by the last the first
It includes that the presumptive area of the first strengthening layer is thinned by polishing or etching that the presumptive area of change layer, which is thinned,.Method is simple as a result,
Controllability is good, and the presumptive area of the first strengthening layer can equably be thinned, at low cost.
According to an embodiment of the invention, when using the method for etching carrying out that the presumptive area of the first strengthening layer is thinned, reference
Fig. 3, etching through the following steps that carry out：
S210：Protective layer is formed on the second strengthening layer.
According to an embodiment of the invention, the specific material of protective layer is formed there is no limit requiring, as long as ensureing that protective layer exists
It is not corroded in etching solution, the second strengthening layer of protection is not damaged, for example, the material for forming protective layer includes but not limited to
Ink, paraffin (paraffin liquid that such as gasoline melts), photoresist.According to an embodiment of the invention, the specific of protective layer is formed
Also there is no limit requirement, those skilled in the art can flexibly select method according to actual demand, for example, the method for forming protective layer
Including but not limited to the methods of coating, silk-screen, spraying, printing.
According to an embodiment of the invention, when thinned presumptive area is the first strengthening layer whole surface, art technology
Personnel are appreciated that not necessarily forms protective layer on the surface of the first strengthening layer；When thinned presumptive area is the first strengthening layer
Subregion when, for example the both sides of the edge that the first strengthening layer is opposite further include in the first strengthening layer before immersing etching solution
The step of upper formation protection pattern.The first strengthening layer of unintended areas is protected not damaged by etching solution as a result,.
According to an embodiment of the invention, formed protection pattern specific method and formed protection pattern material can with it is preceding
Protective layer described in face is consistent, the difference is that protection pattern has predetermined pattern, which can be on the first strengthening layer
Mask plate and the directly formation such as coating, spraying are set, the protective layer of flood can also be formed on the first strengthening layer, then to protecting
Sheath carries out patterned process and is formed.
S220：The plate glass for forming matcoveredn immerses in etching solution with by the fate of first strengthening layer
Domain is thinned.
According to an embodiment of the invention, since the first strengthening layer is in the ion and forced fluid being precipitated by plate glass
Ion carries out ion exchange formation, therefore the ingredient of the first strengthening layer is similar with the ingredient of plate glass, so etching solution can be with
Using the etching common etching solution of glass, such as including but not limited to certain density hydrofluoric acid.Thus, it is possible to will effectively make a reservation for
First strengthening layer in region etches away, that is, realizes and the first strengthening layer of presumptive area is thinned.
According to an embodiment of the invention, the length that the plate glass for forming matcoveredn immerses the time in etching solution is not had
It is specifically limited, those skilled in the art according to the actual conditions such as concentration of the thickness, etching solution that are thinned needed for the first strengthening layer come
The predetermined time is designed, is not limited requirement herein.
According to an embodiment of the invention, the thinned thickness of the first strengthening layer does not have prodigious limitation requirement, art technology
Personnel design according to actual conditions such as the thickness of the curvature of required bend glass and the first strengthening layer needed for the first strengthening layer
Thinned thickness.In an embodiment of the present invention, the thinned thickness of the first strengthening layer be more than or equal to 5 microns and less than etc.
In 100 microns.Bigger according to thinned thickness as a result, the thickness difference between the first strengthening layer and the second strengthening layer is bigger, and first
Stress difference is also bigger between strengthening layer and the second strengthening layer, and then the principle that bending curvature is bigger, so that it may with by designing not
Same thinned thickness obtains the bend glass of a variety of different curvatures.
Wherein, it should be noted that heretofore described to carry out thinned including by the first strengthening layer by the first strengthening layer
The case where completely removing.
S230：Remove protective layer.The structural schematic diagram of obtained bend glass is with reference to Fig. 4-Fig. 6, wherein Fig. 4 and Fig. 5 are
Presumptive area is selected from the first strengthening layer whole surface, and Fig. 6 is selected from the opposite both sides of the edge of the first strengthening layer for presumptive area, wherein
S1 and S2 is presumptive area.
According to an embodiment of the invention, the method for protective layer is removed there is no limit requirement, and those skilled in the art can root
It is flexibly selected according to actual conditions, as long as ensureing that the second strengthening layer and the first strengthening layer will not be damaged to i.e. when removing protective layer
It can.In an embodiment of the present invention, the method for removing protective layer includes but not limited to move back the methods of film liquid or stripping.
Inventor has found, by the way that the presumptive area of the first strengthening layer to be thinned, is allowed to have one between the second strengthening layer
Fixed difference in thickness, the difference in thickness can make to generate certain stress between the first strengthening layer of presumptive area and the second strengthening layer
Difference, and the stress difference will make the side automatic bending of plate glass second strengthening layer of direction in presumptive area, and then shape
At bend glass, moreover, the difference in thickness between the first strengthening layer and the second strengthening layer is bigger, stress difference is bigger, curvature
It is bigger, in this way, those skilled in the art can prepare the bend glass of various curvature according to actual demand, in addition, the preparation
Method is simple and fast, high yield rate, at low cost, energy saving without hot-forming.
In another aspect of this invention, the present invention provides a kind of bend glasses.According to an embodiment of the invention, the curved surface
Glass is prepared by foregoing method.The high yield rate of the bend glass as a result, use reliability is good, and manufacturing cost is low,
Preparation process is simple, and the market competitiveness is strong.
In still another aspect of the invention, the present invention provides a kind of bend glasses.According to an embodiment of the invention, with reference to figure
7, which includes：At least part of glass body 40, glass body 40 is configured to segmental arc S3；Strengthening layer 50,
Strengthening layer 50 is arranged on two opposite surfaces of glass body 40；Wherein, the thickness of the strengthening layer on the outside of segmental arc S3 is less than
The thickness of strengthening layer on the inside of segmental arc.As a result, since the thickness of the strengthening layer on the outside of segmental arc is less than strong on the inside of segmental arc
Change the thickness of layer, and the thickness difference can make the two layers of reinforced material being arranged on two opposite surfaces of glass body generate stress
Difference so that glass body and strengthening layer and then form towards the side automatic bending of the thicker strengthening layer of thickness and have segmental arc
Bend glass, moreover, the difference in thickness between two strengthening layers is bigger, stress difference is bigger, and the curvature of segmental arc is also bigger,
In this way, those skilled in the art can prepare the bend glass of various curvature according to actual demand, and further, the curved surface glass
Glass high yield rate, manufacturing cost is low, energy saving without hot-forming.
According to an embodiment of the invention, the thickness difference of the strengthening layer of on the outside of segmental arc and inside with segmental arc curvature
Increase and increases.The thickness difference of the strengthening layer of on the outside of segmental arc and inside is bigger as a result, the strengthening layer in segmental arc outside and inside
Stress difference it is bigger so that the bending curvature of segmental arc is bigger, so, those skilled in the art can be according to this principle
Design the bend glass of various different curvatures.
According to an embodiment of the invention, there is no limit requirement, those skilled in the art can be according to reality for the position of segmental arc
Border situation flexibly selects.In some embodiments of the invention, glass body 40 is generally configured to be segmental arc, structural schematic diagram
With reference to Fig. 8, so the thickness of the whole face strengthening layer 50 on the outside of segmental arc is all thinner than the strengthening layer on the inside of segmental arc, the thus curved surface
Glass can be applied in the display screen or mobile terminal of complementary surface；In other embodiments of the present invention, glass body is opposite
Both sides of the edge S3 be configured to segmental arc, structural schematic diagram can be applied to frame bending with reference to Fig. 7, the as a result, bend glass
Display screen can be in mobile terminal.Those skilled in the art can realize curved surface glass with the shape of flexible design bend glass as a result,
The diversification of glass.
According to an embodiment of the invention, which can be prepared by foregoing method, wherein arc
The thickness of section outside strengthening layer is less than the thickness of strengthening layer on the inside of segmental arc, and forming method, which can be used, foregoing is thinned the
The method of one strengthening layer realizes, in addition, to glass body, thinned thickness, strengthening layer thickness etc. require with it is foregoing
Unanimously, this is no longer going to repeat them.
In still another aspect of the invention, the present invention provides a kind of display screens.According to an embodiment of the invention, the display screen
Including weighing foregoing bend glass.The display screen manufacturing cost is low as a result, and high yield rate, appearance are beautiful, the market competitiveness
By force.Certainly, it will be understood by those skilled in the art that the display screen has all features of foregoing bend glass and excellent
Point, this is no longer going to repeat them.
According to an embodiment of the invention, in addition to foregoing bend glass, display screen of the present invention further includes normal
The prerequisite structure of display screen and component are advised, such as upper and lower base plate, liquid crystal or OLED, tft array, color film, black matrix etc., and
Above-mentioned bend glass may be constructed upper and lower base plate or cover board.
In still another aspect of the invention, the present invention provides a kind of mobile terminals.According to an embodiment of the invention, the movement
Terminal includes foregoing bend glass or foregoing display screen.The mobile terminal manufacturing cost is low as a result, yield rate
Height, the market competitiveness are strong.Certainly, it will be understood by those skilled in the art that the mobile terminal have foregoing display screen or
All feature and advantage of bend glass, this is no longer going to repeat them.
According to an embodiment of the invention, for the specific type of the mobile terminal there is no limit requirement, those skilled in the art can
It is flexibly selected according to actual demand.In an embodiment of the present invention, the mobile terminal include but not limited to mobile phone, tablet computer,
TV or all wearable devices with display function.
It will be understood by those skilled in the art that above-mentioned mobile terminal is in addition to foregoing bend glass, further include routine
Structure and component necessary to mobile terminal, by taking mobile phone as an example, in addition to foregoing bend glass, well include array substrate,
Color membrane substrates, CPU processor, acoustic processing module.Fingerprint film module and camera module etc., foregoing bend glass can be with
Constitute front shroud or the rear shell etc. of mobile phone.
In the description of the present invention, it is to be understood that, term "center", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on ... shown in the drawings or
Position relationship is merely for convenience of description of the present invention and simplification of the description, and does not indicate or imply the indicated device or element must
There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more this feature.In the description of the present invention, the meaning of " plurality " is two or more,
Unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；Can be that machinery connects
It connects, can also be electrical connection；It can be directly connected, can also can be indirectly connected through an intermediary in two elements
The interaction relationship of the connection in portion or two elements.It for the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature can be with "above" or "below" second feature
It is that the first and second features are in direct contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is directly under or diagonally below the second feature, or is merely representative of fisrt feature level height and is less than second feature.
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 spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable 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 feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changes, replacing and modification.
Claims (14)
1. a kind of method preparing bend glass, which is characterized in that including：
Plate glass is provided, two opposite surfaces of the plate glass are respectively provided with the first strengthening layer and the second strengthening layer；
The presumptive area of first strengthening layer is thinned, so that the thickness of first strengthening layer of the presumptive area is less than
The thickness of second strengthening layer.
2. according to the method described in claim 1, it is characterized in that, the thickness of the plate glass is 0.1~1.0 millimeter.
3. according to the method described in claim 1, it is characterized in that, the thickness of first strengthening layer is more than 0 micron and is less than
Equal to 100 microns, the thickness of second strengthening layer is more than 0 micron and is less than or equal to 100 microns.
4. according to the method described in claim 1, it is characterized in that, it includes logical that the presumptive area of first strengthening layer, which is thinned,
It crosses polishing or the presumptive area of first strengthening layer is thinned for etching.
5. according to the method described in claim 4, it is characterized in that, being etched the described pre- of first strengthening layer by described
Determine region be thinned through the following steps that carry out：
Protective layer is formed on second strengthening layer；
The plate glass for being formed with the protective layer is immersed in etching solution to make a reservation for the described of first strengthening layer
Region is thinned；
Remove the protective layer.
Further include described the 6. according to the method described in claim 5, it is characterized in that, before immersing the etching solution
The step of protection pattern is formed on one strengthening layer.
7. according to the method described in claim 1, it is characterized in that, the thickness that first strengthening layer is thinned is more than or equal to 5
Micron and be less than or equal to 100 microns.
8. according to the method described in claim 1, it is characterized in that, the presumptive area is selected from the first strengthening layer whole table
Face or the opposite both sides of the edge of first strengthening layer.
9. a kind of bend glass, which is characterized in that prepared by the method described in any one of claim 1-8.
10. a kind of bend glass, which is characterized in that including：
At least part of glass body, the glass body is configured to segmental arc；
Strengthening layer, the strengthening layer are arranged on two opposite surfaces of the glass body；
Wherein, the thickness of the strengthening layer on the outside of the segmental arc is less than the thickness of the strengthening layer on the inside of the segmental arc
Degree.
11. bend glass according to claim 10, which is characterized in that the reinforcing in the segmental arc outside and inside
The thickness difference of layer increases with the increase of the curvature of the segmental arc.
12. bend glass according to claim 10, which is characterized in that the glass body is generally configured to be the arc
Shape section or the opposite both sides of the edge of the glass body are configured to the segmental arc.
13. a kind of display screen, which is characterized in that including the bend glass described in any one of claim 9-12.
14. a kind of mobile terminal, which is characterized in that including described in any one of claim 9-12 bend glass or right want
Seek the display screen described in 13.
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| CN201810117236.1A CN108455829A (en) | 2018-02-06 | 2018-02-06 | Bend glass and preparation method thereof, display screen and mobile terminal |
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| CN201810117236.1A CN108455829A (en) | 2018-02-06 | 2018-02-06 | Bend glass and preparation method thereof, display screen and mobile terminal |
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| CN201810117236.1A Pending CN108455829A (en) | 2018-02-06 | 2018-02-06 | Bend glass and preparation method thereof, display screen and mobile terminal |
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| CN109867451A (en) * | 2019-04-24 | 2019-06-11 | 重庆立玻光电科技有限公司 | 3D bend glass manufacturing method |
| CN110482875A (en) * | 2019-08-28 | 2019-11-22 | 信利光电股份有限公司 | A kind of 3D glass and its manufacturing method |
| CN112159118A (en) * | 2020-10-15 | 2021-01-01 | 福旸技术开发有限公司 | Re-strengthening method for chemical cold-bending thinning surface of aluminosilicate cover plate glass |
| CN112210308A (en) * | 2020-09-09 | 2021-01-12 | 南京清尚新材料科技有限公司 | Light-cured curved surface protection paste with multilayer structure and preparation method thereof |
| CN112225473A (en) * | 2020-10-16 | 2021-01-15 | 福旸技术开发有限公司 | Method for manufacturing curved vacuum glass |
| JP2021011400A (en) * | 2019-07-04 | 2021-02-04 | ミネベアミツミ株式会社 | Glass member and method for manufacturing the same |
| CN113053236A (en) * | 2021-03-02 | 2021-06-29 | Oppo广东移动通信有限公司 | Electronic equipment, display module and cover plate |
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| WO2021184185A1 (en) * | 2020-03-17 | 2021-09-23 | 福耀玻璃工业集团股份有限公司 | Cold bending forming method for ultrathin high-aluminum cover plate glass |
| CN115159820A (en) * | 2022-07-12 | 2022-10-11 | 河北视窗玻璃有限公司 | Glass insert cold bending device and using method thereof |
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| CN109867451A (en) * | 2019-04-24 | 2019-06-11 | 重庆立玻光电科技有限公司 | 3D bend glass manufacturing method |
| CN109867451B (en) * | 2019-04-24 | 2021-06-08 | 重庆立玻光电科技有限公司 | 3D curved glass manufacturing method |
| JP2021011400A (en) * | 2019-07-04 | 2021-02-04 | ミネベアミツミ株式会社 | Glass member and method for manufacturing the same |
| CN110482875A (en) * | 2019-08-28 | 2019-11-22 | 信利光电股份有限公司 | A kind of 3D glass and its manufacturing method |
| WO2021184185A1 (en) * | 2020-03-17 | 2021-09-23 | 福耀玻璃工业集团股份有限公司 | Cold bending forming method for ultrathin high-aluminum cover plate glass |
| CN113402177A (en) * | 2020-03-17 | 2021-09-17 | 福耀玻璃工业集团股份有限公司 | Cold bending forming method for ultrathin high-aluminum cover plate glass |
| CN112210308A (en) * | 2020-09-09 | 2021-01-12 | 南京清尚新材料科技有限公司 | Light-cured curved surface protection paste with multilayer structure and preparation method thereof |
| CN112159118A (en) * | 2020-10-15 | 2021-01-01 | 福旸技术开发有限公司 | Re-strengthening method for chemical cold-bending thinning surface of aluminosilicate cover plate glass |
| CN112159118B (en) * | 2020-10-15 | 2022-09-13 | 福耀玻璃工业集团股份有限公司 | Re-strengthening method for chemical cold-bending thinning surface of aluminosilicate cover plate glass |
| CN112225473A (en) * | 2020-10-16 | 2021-01-15 | 福旸技术开发有限公司 | Method for manufacturing curved vacuum glass |
| CN112225473B (en) * | 2020-10-16 | 2022-02-18 | 福耀玻璃工业集团股份有限公司 | Method for manufacturing curved vacuum glass |
| CN113053236A (en) * | 2021-03-02 | 2021-06-29 | Oppo广东移动通信有限公司 | Electronic equipment, display module and cover plate |
| CN115159820A (en) * | 2022-07-12 | 2022-10-11 | 河北视窗玻璃有限公司 | Glass insert cold bending device and using method thereof |
| CN115159820B (en) * | 2022-07-12 | 2024-03-05 | 河北视窗玻璃有限公司 | Glass insert cold bending device and application method thereof |
| CN115925280A (en) * | 2022-11-25 | 2023-04-07 | 安徽繁盛显示科技有限公司 | Asymmetric toughened ultrathin glass, manufacturing method and display panel |
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Address after: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Applicant after: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. Address before: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Applicant before: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. |
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Application publication date: 20180828 |