CN207891242U - Glass cover-plate and touch screen - Google Patents
Glass cover-plate and touch screen Download PDFInfo
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- CN207891242U CN207891242U CN201721696917.5U CN201721696917U CN207891242U CN 207891242 U CN207891242 U CN 207891242U CN 201721696917 U CN201721696917 U CN 201721696917U CN 207891242 U CN207891242 U CN 207891242U
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Abstract
The utility model provides a kind of glass cover-plate, and the glass cover-plate includes microcrystalline region and non-crystalline areas；The microcrystalline region is different from the color of non-crystalline areas；One surface of the glass cover-plate is equipped with base ink layer.The microcrystalline region of the glass cover-plate has different color with other regions, enriches the appearance design of gained glass cover-plate, avoids and body color ink layer is arranged in microcrystalline region.Disclosed herein as well is a kind of touch screens including above-mentioned glass cover-plate.
Description
Technical field
The application belongs to glass cover-plate technical field, and in particular to a kind of glass cover-plate and touch screen.
Background technology
Currently, many electronic products (such as mobile phone, ipad) on the market can make cover board using glass, glass cover-plate can be with
Avoid the cover board of metal material to the shielding of electric signal, also the appearance with simple fashion and preferable sense of touch, on communication circle
Start a glass heat.
The generally transparent color of glass cover-plate is needed to make its different zones that colorful color be presented to manufactured glass
Cover board carries out complicated processing, and processing cost is higher.The glass cover-plate installed in electronic product at present is mostly transparent
The bottom surface silk-screen base ink of glass, and in cover board frame silk-screen body color layer (such as grey or white), to assign glass
The different color of glass cover board different zones.However the color of existing glass cover-plate is relatively simple so that the appearance of electronic product
Color is more dull.
Utility model content
In view of this, this application provides a kind of glass cover-plate and touch screen, to solve existing glass cover-plate color list
One, and assign its different zones different colours and process more complex problem.
In a first aspect, this application provides a kind of glass cover-plate, the glass cover-plate includes microcrystalline region and non-crystalline areas；
The microcrystalline region is different from the color of non-crystalline areas；One surface of the glass cover-plate is equipped with base ink layer.
Wherein, the microcrystalline region is located at the rim area of the glass cover-plate.
Wherein, the microcrystalline region is located at the labeled structural area of the glass cover-plate.
Wherein, the thickness of the microcrystalline region is 0.01-2mm.Further, the thickness of the microcrystalline region is 0.1-
2mm。
Wherein, the transmitance of the microcrystalline region is 10-40%, refractive index 1.50-1.53.
Wherein, the transmitance of the non-crystalline areas is 80-95%, refractive index 1.40-1.55.
Wherein, the thickness of the glass cover-plate is 0.2-2mm, further preferably 0.3-0.7mm.
The glass cover-plate that the application first aspect provides, microcrystalline region has different color with other regions, rich
The rich appearance design of gained glass cover-plate, avoids and body color ink layer is arranged in microcrystalline region.
Second aspect includes the glass cover-plate as described in the application first aspect this application provides a kind of touch screen.
Description of the drawings
Fig. 1 is the preparation flow schematic diagram of photosensitive glass blank in the embodiment of the present application 1；
Fig. 2 is the flow that the glass board material with microcrystalline region is made in one embodiment of the application of bulk photosensitive glass blank
Schematic diagram；
Fig. 3 is the flow that the glass board material with microcrystalline region is made in one embodiment of the application of fritter photosensitive glass base material
Schematic diagram；
Fig. 4 is the stream that the glass board material with microcrystalline region is made in another embodiment of the application of fritter photosensitive glass base material
Journey schematic diagram；
Fig. 5 is the stream that the glass board material with microcrystalline region is made in another embodiment of the application of bulk photosensitive glass blank
Journey schematic diagram.
Specific implementation mode
As described below is the preferred embodiment of the application, it is noted that for those skilled in the art
For, under the premise of not departing from the application principle, several improvements and modifications can also be made, these improvements and modifications are also considered as
The protection domain of the application.
In addition, the explanation of following embodiment is referred to the additional illustration, to illustrate the spy that the application can be used to implement
Determine embodiment.The direction term being previously mentioned in the application, for example, "upper", "lower", "front", "rear", "left", "right", "inner",
"outside", " side " etc. are only the directions with reference to annexed drawings, and therefore, the direction term used is to more preferably, more clearly say
It is bright and understand the application, rather than indicate or imply signified device or element must have a particular orientation, with specific side
Position construction and operation, therefore should not be understood as the limitation to the application.
In the description of the present application, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, and can also be detachably connected, or integrally connect for example, it may be being fixedly connected
It connects；It can be mechanical connection；It can be directly connected, can also can be indirectly connected through an intermediary in two elements
The connection in portion.For the ordinary skill in the art, the tool of above-mentioned term in this application can be understood with concrete condition
Body meaning.
In addition, in the description of the present application, unless otherwise indicated, the meaning of " plurality " is two or more.If this
The term for occurring " process " in specification, refers not only to independent process, when can not clearly be distinguished with other process, as long as
It can realize that the effect desired by the process is then also included in this term.In addition, the numerical value indicated with "~" in this specification
Range refers to the range that "~" front and back numerical value recorded is included as minimum value and maximum value.In the accompanying drawings, it ties
The similar or identical unit of structure is indicated by the same numeral.
The embodiment of the present application provides a kind of preparation method of glass cover-plate, includes the following steps：
S10, as shown in Figure 1, providing photosensitive glass prepares raw material, the raw material for preparing includes SiO2、A2O、Al2O3、Ag+
Compound and Ce2O3, wherein at least one of A Li, Na and K, Ag+Compound include Ag2O or AgNO3；
Raw material is prepared by described after mixing, gained mixture is fused into melt, then by the melt cast molding,
Photosensitive glass blank is obtained after cooling.
S20, as shown in Fig. 2, the photosensitive glass blank is first cut into pieces of glass base material, then to the pieces of glass
The presumptive area of base material is exposed using ultraviolet light, and is heat-treated to the pieces of glass base material after exposure, to expose
Area forms crystallite, obtains the glass board material with microcrystalline region；Wherein, the color of the exposure region after heat treatment and non-exposed area is not
Together.
S30, it polished the glass board material with microcrystalline region, polished, the glass board material after the polishing
Back side silk-screen base ink layer, obtains glass cover-plate.
Specifically, described to prepare each ingredient that raw material includes following weight percent in S10：SiO265%-80%, A2O
1%-40%, Al2O31%-10%, Ag+Compound 0.01%-0.5%, Ce2O30.01%-0.2%, ZnO 0-4%,
Sb2O30-1%, B2O30-5%, SnO 0-10%.
It is herein described to prepare in raw material, SiO2、A2O、Al2O3For basic glass raw material, A2O can play crystallization promoter
Effect, Al2O3Antigraining agent is played, slows down solution speed, and Ag+Compound (Ag2O or AgNO3) serve as nucleating agent, Ce2O3For
Sensitizer or emulsion, it is non-linear due to ultraviolet light and the glassy zone that is mapped to by ultraviolet lighting under the irradiation of ultraviolet light
Interaction causes described to prepare Ag in raw material+Reduction, for example, Ce3+It absorbs ultraviolet light and generates Ce4+With an electronics, then
Ag+It is reduced to Ag in conjunction with this electronics, general equation can be written as Ce3++hν+Ag+→Ce4++Ag0；In subsequent heat treatment,
The mobile generation of Ag atoms is reunited, and promotes other materials to be nucleated, crystallize around it as nucleating agent, this subregion can be described as
" microcrystalline region ".By adjust the formula of photosensitive glass blank and when exposure ultraviolet light intensity and heat treatment process, can control
The dimensional conditions of Ag atom aggregates and the size of crystal adjust refraction of the sunlight in microcrystalline region, reflection feelings
Condition makes microcrystalline region that certain color be presented.
In step S10, the photosensitive glass blank obtained after cooling is amorphous glass, has light sensitive characteristic, " glass
Glass " is understood to essentially amorphous material.The photosensitive glass blank forms band crystallite area subsequently after Partial exposure, heat treatment
The glass board material in domain, microcrystalline region is consistent with the region through ultraviolet photoetching, and the glass board material of microcrystalline region can be described as that " photo-thermal is quick
Devitrified glass ", unexposed region are still amorphous state, the glass of microcrystalline region and the color of unexposed area, resistant to chemical etching
Property, optical property (such as transmitance, refractiveness) are all different.The specific ingredient of crystallite object depends primarily on wherein in microcrystalline region
Each ingredient for preparing raw material, but it is general all containing alkali metal silicate salt crystal, such as SiO2-Li2O-Al2O3System forming
Li2SiO3And Li2SiO5。
Preferably, described to prepare in raw material, Ag+Compound weight percent be 0.01%-0.1%, further it is excellent
It is selected as 0.01%-0.08%.Further, the Ag+Compound be preferably Ag2O。
Preferably, described to prepare in raw material, Ce2O3Weight percent be 0.08%-0.2%, further preferably
0.10%-0.15%.Ce2O3Content should in suitable range, if its content is very little, after molding gained glass blank it is photosensitive
Property is weaker；If its content is more, the transmitance to ultraviolet light can be inhibited, influence the depth of exposure, and then influence gained crystallite
The thickness in region.
Further, described to prepare in raw material, Ag2O and Ce2O3Mass ratio be 1：(4-8).Ag2O and Ce2O3Quality
It is relatively low, do not reducing Ce2O3Content can also reach desired exposure depth.
Preferably, described to prepare in raw material, Al2O3Weight percent be 2%-8%.
Preferably, described to prepare in raw material, Li2The weight percent of O is 10%-30%.Li2Li in O+Movement, diffusion
Speed is compared with Na+、K+Soon, at this point, described prepare can be free of Na in raw material2O and K2O.But further preferably contain Na simultaneously2O and
K2O, at this time Li2The mole of O is higher than Na2O and K2The mole of any of O, even higher than Na2O and K2The summation of O content.
The Li of high level2The sensitization that O can be conducive to the glass blank can carry out at a lower temperature.
Preferably, described to prepare in raw material, Na2The weight percent of O is 1%-4%.
Preferably, described to prepare in raw material, K2The weight percent of O is 1%-8%, for example, can be 2.5%, 3.5%,
4% or 6%, more preferably 2%-5%.
In the application, described prepare can also contain ZnO, Sb in raw material2O3、B2O3With it is one or more in SnO, wherein
ZnO、B2O3Antigraining agent is mainly played, inhibits crystal nucleation, avoids glass crystallization process quickly.Sb2O3Reduction is mainly played with SnO
The effect of agent, but also have anti-crystallization.Reducing agent is mainly used for restoring Ce4+, when exposing early period, Ce3+It may be more
It is oxidized to Ce4+, photosensitising processes are hindered, therefore appropriate reducing agent can be added, promote Ce4+It is changed into Ce again3+, promote photosensitive
Change the lasting progress of reaction and promotes nucleation moreover it is possible to which Ag+ is restored Ag.
Further, described to prepare in raw material, the weight percent of SnO is 0.01%-9.5%, such as can be
0.01%-0.08% or 1-8%.
Described to prepare in raw material, the weight percent of ZnO is 1%-4%.
It is described to prepare in raw material, Sb2O3Weight percent be 0.01%-0.2%.
It is described to prepare in raw material, B2O3Weight percent be 2.0%-4.5%.
In step S10, the fusing is carried out at 1200-1600 DEG C.Preferably 1250-1450 DEG C.The melt
Cast molding can be transferred to melt in the mold of glass blank to carry out.Further, the cooling after the melt casting
To cool to room temperature with the furnace or being cooled to room temperature with the cooling rate of 1-10 DEG C/min.
Preferably, further include after the cast molding：The glass blank after cooling is made annealing treatment；Its
In, the annealing temperature of the annealing is 450-600 DEG C (preferably 600 DEG C), annealing time 1-3h.Annealing can be
It is carried out in annealing furnace.Annealing can discharge the stress in glass blank, increase its ductility and toughness.
The photosensitive glass blank obtained in step S10 is not cut bulk photosensitive glass blank.
In step S20, the wave-length coverage of ultraviolet light used is shone in 280-320nm, preferably 300-320nm when the exposure
The UV exposures penetrated are 0.3-200mW/cm2；The irradiation time of ultraviolet light is preferably 3-120min.
Wherein, the process of thermal treatment after the exposure includes：10min~3h is handled at 400-700 DEG C.Due to using
Above-mentioned specific proportioning prepares raw material, can be formed in uv-exposure area under lower heat treatment temperature a certain amount of micro-
It is brilliant.Parameter by changing exposure and heat treatment can make the microcrystalline region of glass cover-plate have different colors.
Further, the heat treatment includes nucleation stage and crystallization stage, and the nucleation stage is at 400-500 DEG C
10-40min is kept the temperature, the crystallization stage is heated up with the rate of 3-15 DEG C/min on the basis of the temperature of the nucleation stage
To 500-600 DEG C, heat preservation 15-120min (preferably 30-90min).The heat treatment carried out stage by stage can be conducive to go shape in exposure
At the high crystallite of crystallinity.
In one specific implementation mode of the application, can be used match as follows prepare raw material：SiO280%,
Li2O10.62%, Na2O 2%, Al2O37%, Ag2O 0.03%, Ce2O30.15%, Sb2O30.15%, SnO 0.05%.
The proportioning prepares raw material and can be fused into melt at 1300 DEG C, and the glass blank after cast molding is exposed, after heat treatment
Microcrystalline region can be green.
In another specific implementation mode of the application, can be used match as follows prepare raw material：SiO265%, Li2O
26.06%, Na2O 1.8%, K2O 3.6%, Al2O32%, Ag2O 0.02%, Ce2O30.12%, ZnO 1.4%.
Wherein, it can be used when exposure and cover plate as auxiliary, to cover the glassy zone that need not be exposed.The shape used for covering plate
Shape can be determined according to the appearance of the required glass cover-plate with regions of different colours.
Optionally, the microcrystalline region is located at the rim area of the glass cover-plate, or the mark positioned at the glass cover-plate
The property shown structural area (such as Logo, model etc.), but not limited to this.
As an example, as shown in (a) in Fig. 3, fritter photosensitive glass base material 1 can be divided into viewing area 11 and rim area is (i.e. " non-
Visible area ") 12, when the rim area of desired finished product-glass cover-plate carries color, rim area 12 is microcrystalline region at this time.
At this point, one to match with viewing area 11 can be used and cover plate 100 under ultraviolet light (in such as Fig. 3 shown in (b)) in exposure process
It carries out, the rim area 12 of fritter photosensitive glass base material 1 is only made to receive ultraviolet light.It is after heat treatment obtained again after exposure
For the front view and sectional view of glass board material 1 ' respectively as shown in c and d in Fig. 3, the rim area 13 of gained glass board material is to expose
Area that is to say microcrystalline region；The viewing area 11 of gained glass board material is non-exposed area, that is to say amorphous regions.Exposed,
After heat treatment, there are color distortions with viewing area 11 for rim area 13.Then it again in reverse side silk-screen base ink, can obtain final
Glass cover-plate structure.
As another example, as shown in figure 4, when the labeled structural area of desired finished product-glass cover-plate carries color, this
When labeled structural area 15 be microcrystalline region.At this point, as shown in (a) in Fig. 4, can be used one cover plate 200 under ultraviolet light into
Row auxiliary exposure only makes region corresponding with labeled structural area 15 on fritter photosensitive glass base material 1 receive ultraviolet lighting
It penetrates.In the front view such as Fig. 4 of the glass board material 1 " after heat treatment obtained again after exposure shown in (b), the mark of gained glass board material
The property shown structural area 15 is exposure region, that is to say microcrystalline region；Other non-exposed areas, as amorphous regions.Exposure+heat treatment
Afterwards, there are color distortions with other regions for labeled structural area 15.
In the step S20 of the embodiment of the present application, " cutting " can be exposed and be heat-treated successively before or after.
In Fig. 2, be bulk photosensitive glass blank is first cut into fritter photosensitive glass base material, then it is exposed successively and heat at
Reason.It, can be according to need by the specific size (such as length, width) for the fritter photosensitive glass base material that the photosensitive glass blank is cut into
It to be adjusted using the size of the electronic equipment of the cover board, this is not especially limited in the embodiment of the present application.Cutting
Mode can be CNC cuttings.
Preferably, in processing method as shown in Figure 2, in " the photosensitive glass blank being first cut into for step S20
After pieces of glass base material ", and before " being exposed using ultraviolet light to the presumptive area of the pieces of glass base material ", also
Including：The fritter photosensitive glass base material is ground polishing.It is in smooth base that can be convenient for the exposure, heat treatment in this way
Material surface carries out.
Optionally, in another embodiment of the application, as shown in figure 5, the implementation procedure of step S20 is as follows：By the light
The predeterminable area of quick glass blank is exposed using ultraviolet light, then is heat-treated to the glass blank after exposure, to expose
Light area forms crystallite；It is cut again later, obtains multiple pieces of glass planks with microcrystalline region.Wherein, the heat treatment
Exposure region afterwards is different from the color of non-exposed area.Such processing method is more suitable for extensive, high efficiency and prepares glass cover-plate.
And the machining accuracy higher of processing method shown in Fig. 2.
In step S30, the polishing may include curved surface polishing, cambered surface sanding, chamfering polishing, shape polishing etc., be convenient for
The attachment of base ink layer.
Further, further include carrying out ultrasonic cleaning after the polishing treatment, to promote glass board material in S30
Cleannes, convenient for subsequently in the back side silk-screen base ink of glass board material.Here " back side " refers to the exposure with glass board material
The opposite side of mating plate.
Preferably, in the processing method of the application Fig. 4 and two kinds of glass board materials with microcrystalline region illustrated in fig. 5,
After being polished, being polished and being cleaned by ultrasonic successively, further include：Glass board material after the polishing and ultrasonic cleaning is carried out
Intensive treatment.In such cases, subsequent silk-screen base ink layer is exactly that the back side of the glass board material after intensive treatment carries out.
Wherein, the intensive treatment is to promote the hardness and solidness of glass blank.Optionally, the intensive treatment can be in tempering
It is carried out in stove.
In one embodiment of the application, the intensive treatment is：Glass board material is immersed in the sylvite of molten condition (such as
Potassium nitrate) in, so that the sodium ion in surface layer of glass, from exchanging, is formed switching layer with larger-size potassium in fused salt；Then
Glass board material after ion exchange is taken out, is cooled to room temperature, the glass board material after being strengthened.Optionally, at the reinforcing
Reason when it is 5-10 hours a length of.
It is further preferred that after the intensive treatment and before the ink layer of silk-screen base, also include successively：Essence is thrown
Light, cleaning, drying.
Optionally, the thickness of final gained glass cover-plate (not including base ink layer) is 0.2-2mm, preferably 0.3-
0.7mm。
The preparation method of glass cover-plate provided by the embodiments of the present application first prepares molding photosensitive glass blank, then carries out
Then intensive treatment is exposed the predeterminable area of the glass blank after cutting or uncut reinforcing, is heat-treated, assign heat
The exposure region color different from non-exposed area that treated enriches the appearance color of gained glass cover-plate, also can avoid in glass
The rim area or labeled structural area of glass cover board use body color ink.In addition, the exposure region after heat treatment and non-exposed area
Chemical resistance, photoelectric properties etc. also differ, glass can be further processed according to the difference of region performance, can be changed
Become or simplify the subsequent processing operations of glass, such as is also etched into different figures in the different zones of glass cover-plate with chemical reagent
Case.
The embodiment of the present application also provides a kind of glass cover-plate, the glass cover-plate includes microcrystalline region and non-crystalline areas；
The microcrystalline region is different from the color of non-crystalline areas；One surface of the glass cover-plate is equipped with base ink layer.For example, institute
It can be yellow to state microcrystalline region, and non-crystalline areas is Transparent color.
Optionally, the microcrystalline region is located at the rim area of the glass cover-plate, or the mark positioned at the glass cover-plate
The property shown structural area.
Further, the thickness of the microcrystalline region is 0.01-2mm, preferably 0.1-2mm.
Further, the transmitance of the microcrystalline region is 10-40%, refractive index 1.50-1.53.
Further, the transmitance of the non-crystalline areas is 80-95%, refractive index 1.40-1.55.
Wherein, the thickness of the glass cover-plate is 0.2-2mm, preferably 0.3-0.7mm.
Glass cover-plate provided by the embodiments of the present application, microcrystalline region have different color with other regions, enrich
The appearance design of gained glass cover-plate, avoids and body color ink layer is arranged in microcrystalline region.
In addition, the embodiment of the present application provides a kind of touch screen comprising the above-mentioned any preparation sides illustrated Fig. 1-Fig. 5
Glass cover-plate made from method.
Further, the embodiment of the present application also provides a kind of electronics using above-mentioned Fig. 1-touch screens shown in Fig. 3 to set
It is standby.Wherein, the electronic equipment is portable mobile termianl, specifically may include mobile phone, tablet computer (such as ipad), palm PC
Or Wearable etc., above-mentioned electronic equipment are only citings, and it is non exhaustive, including but not limited to above-mentioned electronic equipment.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means particular features, structures, materials, or characteristics described in conjunction with this embodiment or example
It is contained at least one embodiment or example of the application.In the present specification, schematic expression of the above terms differ
Surely identical embodiment or example are referred to.Moreover, the particular features, structures, materials, or characteristics of description can be any one
It can be combined in any suitable manner in a or multiple embodiments or example.
The glass cover-plate and its preparation method and application provided above the embodiment of the present application is described in detail, this
Specific case is applied in text, and the principle and implementation of this application are described, the explanation of above example is only intended to
Help understands the present processes and its core concept；Meanwhile for those of ordinary skill in the art, the think of according to the application
Think, there will be changes in the specific implementation manner and application range, in conclusion the content of the present specification should not be construed as pair
The limitation of the application.
Claims (10)
1. a kind of glass cover-plate, which is characterized in that the glass cover-plate includes microcrystalline region and non-crystalline areas；The microcrystalline region
It is different from the color of non-crystalline areas；One surface of the glass cover-plate is equipped with base ink layer.
2. glass cover-plate as described in claim 1, which is characterized in that the microcrystalline region is located at the frame of the glass cover-plate
Area.
3. glass cover-plate as described in claim 1, which is characterized in that the microcrystalline region is located at the mark of the glass cover-plate
Property structural area.
4. glass cover-plate as described in claim 1, which is characterized in that the thickness of the microcrystalline region is 0.01-2mm.
5. glass cover-plate as described in claim 1, which is characterized in that the thickness of the microcrystalline region is 0.1-2mm.
6. glass cover-plate as described in claim 1, which is characterized in that the transmitance of the microcrystalline region is 10-40%, refraction
Rate is 1.50-1.53.
7. glass cover-plate as described in claim 1, which is characterized in that the transmitance of the non-crystalline areas is 80-95%, refraction
Rate is 1.40-1.55.
8. glass cover-plate as described in claim 1, which is characterized in that the thickness of the glass cover-plate is 0.2-2mm.
9. glass cover-plate as described in claim 1, which is characterized in that the thickness of the glass cover-plate is 0.3-0.7mm.
10. a kind of touch screen, including such as claim 1-9 any one of them glass cover-plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721696917.5U CN207891242U (en) | 2017-12-07 | 2017-12-07 | Glass cover-plate and touch screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721696917.5U CN207891242U (en) | 2017-12-07 | 2017-12-07 | Glass cover-plate and touch screen |
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| CN207891242U true CN207891242U (en) | 2018-09-21 |
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ID=63548446
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| CN201721696917.5U Active CN207891242U (en) | 2017-12-07 | 2017-12-07 | Glass cover-plate and touch screen |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109896729A (en) * | 2017-12-07 | 2019-06-18 | 南昌欧菲光学技术有限公司 | Glass cover-plate and preparation method thereof and touch screen |
| CN111393028A (en) * | 2020-03-29 | 2020-07-10 | 重庆两江新区夏美西科技合伙企业(有限合伙) | Glass with local reinforcing structure and processing method thereof |
-
2017
- 2017-12-07 CN CN201721696917.5U patent/CN207891242U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109896729A (en) * | 2017-12-07 | 2019-06-18 | 南昌欧菲光学技术有限公司 | Glass cover-plate and preparation method thereof and touch screen |
| CN111393028A (en) * | 2020-03-29 | 2020-07-10 | 重庆两江新区夏美西科技合伙企业(有限合伙) | Glass with local reinforcing structure and processing method thereof |
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Effective date of registration: 20210422 Address after: 231323 Building 1, precision electronics industrial park, Hangbu Town, Shucheng County, Lu'an City, Anhui Province Patentee after: Anhui jingzhuo optical display technology Co.,Ltd. Address before: 330013 Jiangxi province Nanchang Changbei Economic and Technological Development Zone Fuying Road No. 18 Patentee before: NANCHANG OFILM OPTICAL TECHNOLOGY Co.,Ltd. |