CN105436998B - The preparation method of glare proof glass - Google Patents
The preparation method of glare proof glass Download PDFInfo
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- CN105436998B CN105436998B CN201410503048.4A CN201410503048A CN105436998B CN 105436998 B CN105436998 B CN 105436998B CN 201410503048 A CN201410503048 A CN 201410503048A CN 105436998 B CN105436998 B CN 105436998B
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- Prior art keywords
- polishing
- glass sample
- glass
- preparation
- polissoir
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- 239000011521 glass Substances 0.000 title claims abstract description 113
- 230000004313 glare Effects 0.000 title claims abstract description 29
- 238000002360 preparation method Methods 0.000 title claims abstract description 24
- 238000005498 polishing Methods 0.000 claims abstract description 84
- 239000000843 powder Substances 0.000 claims abstract description 27
- 238000000034 method Methods 0.000 claims abstract description 20
- 230000008569 process Effects 0.000 claims abstract description 14
- 238000000227 grinding Methods 0.000 claims abstract description 13
- 238000012545 processing Methods 0.000 claims abstract description 12
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 8
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 5
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 5
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims description 4
- 239000000292 calcium oxide Substances 0.000 claims description 4
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 4
- 229910000420 cerium oxide Inorganic materials 0.000 claims description 4
- 239000000395 magnesium oxide Substances 0.000 claims description 4
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 4
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 claims description 4
- 229920000515 polycarbonate Polymers 0.000 claims description 4
- 239000002994 raw material Substances 0.000 claims description 4
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 4
- 239000004425 Makrolon Substances 0.000 claims description 3
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims description 3
- 239000000377 silicon dioxide Substances 0.000 claims description 3
- 229910001928 zirconium oxide Inorganic materials 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 230000001795 light effect Effects 0.000 abstract description 4
- 239000002245 particle Substances 0.000 abstract description 4
- 238000002310 reflectometry Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 6
- 230000006872 improvement Effects 0.000 description 2
- 239000004417 polycarbonate Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000003486 chemical etching Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000005357 flat glass Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000002346 layers by function Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Landscapes
- Surface Treatment Of Glass (AREA)
Abstract
A kind of preparation method of glare proof glass; when needing to be polished polishing to glass sample; surface of the glass sample without processing is protected using diaphragm; need to process surface exposed; glass sample is positioned between the upper millstone of polissoir and lower millstone and is immersed in the polishing solution; the surface that the upper millstone or lower millstone of polissoir need to process to glass sample is polished polishing; glass sample is immersed in polishing solution, and the mechanical polishing polishing of upper millstone or lower millstone to glass sample surface is combined with the physics polishing grinding of polishing powder.Technique is simple and convenient to operate, and due to being directly to be polished polishing on the surface of glass sample, is advantageous to reduce the thickness of touch-screen, due to being physics polishing grinding, the body of operating personnel will not be damaged；Obtained glare proof glass has surface particles tiny, is evenly distributed, and light transmission rate is high, and reflectivity is low, and anti-dazzle light effect is good.
Description
Technical field
The present invention relates to the fabricating technology field of glass, more particularly to a kind of preparation method of glare proof glass.
Background technology
As the fast development of touch screen technology, application are also more and more extensive：Such as it is applied to mobile phone, GPS navigator, touches
Touch screen computer, bank ATM, switch panel, photo frame, Medical Instruments etc..At present, in order to improve the resolution ratio of this class display,
One functional layer with anti-dazzle generally is set in display screen surface.
This kind of anti-dazzle technology may be roughly divided into two kinds：The first is to carry out coating processing in glass surface, in glass
Surface deposits an anti-dazzle photosphere；Second is directly to carry out chemical etching processing in glass surface, and it is anti-to form one in glass surface
Glare layer.
Although above two method is attained by the purpose of anti-dazzle, first method is to obtain anti-dazzle by coating
Layer, this can undoubtedly increase the thickness of touch-screen；Second method complex operation.
The content of the invention
Based on this, it is necessary in view of the above-mentioned problems, providing a kind of preparation technology simply and being advantageous to reduce touch-screen thickness
Glare proof glass preparation method.
A kind of preparation method of glare proof glass, comprises the following steps：
Polishing powder is prepared, the material and its weight proportion that the raw material of the polishing powder includes are：55~75 parts of aluminum oxide, oxygen
Change 5~15 parts of zirconium, 3~8 parts of cerium oxide, 3~8 parts of calcium oxide, 1~5 part of bortz powder, 1~5 part of carborundum and magnesia 1~5
Part, the polishing powder prepared；
Polishing solution is made after the polishing powder prepared is watered, the polishing solution is placed in the throwing of polissoir
In CD；
Surface of the glass sample without processing is protected, it is necessary to which that processes is surface exposed using diaphragm；
By it is described protected with diaphragm after glass sample be positioned between the upper millstone of polissoir and lower millstone and soak
In the polishing solution, surface that the upper millstone or lower millstone of polissoir need to process to glass sample is polished to be beaten bubble
Mill；
Take out the glass sample after polishing grinding and cleaned, dry i.e. obtained glare proof glass.
In one of the embodiments, the material of the glass sample be makrolon, polymethyl methacrylate or
Silica.
In one of the embodiments, the thickness range of the glass sample is 0.5mm~2mm.
In one of the embodiments, before step protects glass sample without the surface of processing using diaphragm,
Also include step：
The surface of the glass sample is wiped using absolute ethyl alcohol.
In one of the embodiments, the surface of the glass sample is carried out wiping it using absolute ethyl alcohol in step
Afterwards, in addition to step：
Whether examine the surface of the glass sample has cut；
If so, then give up；
If no, retain.
In one of the embodiments, the glass sample after being protected with diaphragm is polished time of polishing for 6~
10 minutes.
In one of the embodiments, it is made after the polishing powder prepared is watered by step in polishing solution, polishing
The mass ratio that powder is watered is 1：10~1：30.
In one of the embodiments, the upper millstone pressure of the polissoir is 0.06Mpa~0.09Mpa, the throwing
The lower millstone pressure of light device is 0.1Mpa~0.3Mpa.
In one of the embodiments, the upper millstone rotating speed of the polissoir is 10 turns per minute, the polissoir
Lower millstone rotating speed be 30 turns per minute.
In one of the embodiments, the quantity of the polishing disk bearing glass sample of the polissoir is 1~24.
The preparation method of above-mentioned glare proof glass comprises at least advantages below：
When needing to be polished polishing to glass sample, surface of the glass sample without processing is protected using diaphragm,
Need to process surface exposed, glass sample is positioned between the upper millstone of polissoir and lower millstone and is immersed in the throwing
In light solution, the surface that the upper millstone or lower millstone of polissoir need to process to glass sample is polished polishing, and polishing is beaten
During mill, glass sample is immersed in polishing solution, so as to which the mechanical polishing of upper millstone or lower millstone to glass sample surface be beaten
Mill is combined with the physics polishing grinding of polishing powder.This preparation method technique is simple and convenient to operate, and due to being directly in glass
The surface of sample is polished polishing, is advantageous to reduce the thickness of touch-screen, and due to being physics polishing grinding, will not be to behaviour
The body for making personnel damages；Obtained glare proof glass has surface particles tiny, is evenly distributed, and light transmission rate is high, instead
It is low to penetrate rate, anti-dazzle light effect is good；With tradition compared with glass surface progress plated film obtains anti-dazzle photosphere, have prolonged difficult use etc. excellent
Point.
Brief description of the drawings
Fig. 1 is the schematic flow sheet of the preparation method of glare proof glass in an embodiment.
Embodiment
In order to facilitate the understanding of the purposes, features and advantages of the present invention, below in conjunction with the accompanying drawings to the present invention
Embodiment be described in detail.Many details are elaborated in the following description in order to fully understand this hair
It is bright.But the invention can be embodied in many other ways as described herein, those skilled in the art can be not
Similar improvement is done in the case of running counter to intension of the present invention, therefore the present invention is not limited to the specific embodiments disclosed below.
Term as used herein " vertical ", " horizontal ", "left", "right" and similar statement simply to illustrate that
Purpose, it is unique embodiment to be not offered as.
Unless otherwise defined, all of technologies and scientific terms used here by the article is with belonging to technical field of the invention
The implication that technical staff is generally understood that is identical.Term used in the description of the invention herein is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term as used herein " and/or " include one or more phases
The arbitrary and all combination of the Listed Items of pass.
Referring to Fig. 1, the schematic flow sheet for the preparation method of glare proof glass in an embodiment.Specific to this implementation
In mode, the preparation method of glare proof glass comprises the following steps：
Step S110, prepare polishing powder.The material and its weight proportion that the raw material of polishing powder includes are aluminum oxide 55~75
Part, 5~15 parts of zirconium oxide, 3~8 parts of cerium oxide, 3~8 parts of calcium oxide, 1~5 part of bortz powder, 1~5 part of carborundum, magnesia
1~5 part and 3~8 parts of other components, the polishing powder prepared.Specific in present embodiment, the raw material weight of polishing powder
Proportioning is 65 parts of aluminum oxide, 10 parts of zirconium oxide, 5 parts of cerium oxide, 5 parts of calcium oxide, 3 parts of bortz powder, 3 parts of carborundum, magnesia 4
5 parts of part and other components.
Step S120, polishing solution is made after the polishing powder prepared is watered, polishing solution is placed in polissoir
In polishing disk.Then the concentration of polishing solution is checked.Specifically, it is molten that polishing is made after the polishing powder prepared is watered in proportion
In liquid step, the mass ratio that polishing powder is watered can be 1：10~1：30, such as the mass ratio that polishing powder is watered can be
1：10、1：15、1：20、1：25 or 1：30, so that the polishing solution of various concentrations is made.Polishing grinding is needed according to glass sample
Degree select the concentration of polishing solution：Glass sample needs the degree of polishing grinding bigger, and the concentration of polishing solution needs
That prepares is bigger；Glass sample needs the degree of polishing grinding smaller, and the concentration of polishing solution needs to prepare smaller.
Step S131, the surface of glass sample is wiped using absolute ethyl alcohol.Absolute ethyl alcohol is easy to volatilize, and wipes glass
It will not be remained in after glass sample on glass sample.Meanwhile absolute ethyl alcohol can also remove the impurity on glass sample surface, ensure glass
The cleaning of glass sample.Certainly, in other embodiments, in the case of glass sample clean enough, it may be omitted with the step
Suddenly.Or glass surface is wiped using other wiping solutions, as long as not ending up at glass sample and energy after can guarantee that wiping
Clean the effect of glass sample.
The material of glass sample can be PC (Polycarbonate, makrolon), PMMA
(PolymethylMethacrylate, polymethyl methacrylate) or silica.The thickness range of glass sample can be with
For 0.5mm~2mm.
Whether step S132, examining the surface of glass sample has cut.If there is cut, give up.If without cut, protect
Stay, to carry out next step.Examine whether glass sample has cut can also to pass through machine by way of desk checking
The mode of automatic detection.Need all to test to the upper and lower surface of glass sample.Pass through pretesting glass sample
Whether there is the mode of cut, off-grade glass sample can be reduced and enter next step, from Sources controlling off-grade glass sample
The step of into polishing grinding, so as to improve the yield of final products.
Step S133, surface of the glass sample without processing is protected, it is necessary to which that processes is surface exposed using diaphragm.Protect
Cuticula can prevent polishing solution from being had an impact to surface of the glass sample without processing, to ensure the glass sample without processing
Surface is intact.
Specific in present embodiment, in addition to examine polissoir to have without exception, checks upper millstone whether there is with lower millstone
Abnormal step.
Step S140, the glass sample after being protected with diaphragm is positioned between the upper millstone of polissoir and lower millstone
And be immersed in polishing solution, the surface that the upper millstone or lower millstone of polissoir need to process to glass sample, which is polished, to be beaten
Mill.Specifically, 1~24 sheet glass sample can be positioned between the upper millstone of polissoir and lower millstone and be immersed in simultaneously
In polishing solution.The upper millstone pressure of polissoir is 0.06Mpa~0.09Mpa.Such as the upper millstone pressure of polissoir can
Think 0.08Mpa.The lower millstone pressure of polissoir is 0.1Mpa~0.3Mpa.Such as the lower millstone pressure of polissoir can be with
For 0.2Mpa.The upper millstone rotating speed of polissoir is 5~15 turns per minute.Such as the upper millstone rotating speed of polissoir can be 10
Turn.The lower millstone rotating speed of polissoir is 15~35 turns.Such as the lower millstone rotating speed of polissoir can be 30 turns per minute.Glass
Glass sample is arranged between upper millstone and lower millstone, if the surface that glass sample needs to process is unified upward, upper millstone is to it
It is polished polishing；If the surface that glass sample needs to process is unified down, lower diaphragm is polished polishing to it.To with guarantor
The time that glass sample after cuticula protection is polished polishing can be 6~10 minutes.Specific in present embodiment, to
The time that glass sample after diaphragm protection is polished polishing is 10 minutes.
Step S150, take out the glass sample after polishing grinding and cleaned, dry i.e. obtained glare proof glass.It is made
Glare proof glass have the advantages that surface particles are tiny, be evenly distributed, light transmission rate is high, reflectivity is low, anti-dazzle light effect is good.
The preparation method of above-mentioned glare proof glass comprises at least advantages below：
When needing to be polished polishing to glass sample, surface of the glass sample without processing is protected using diaphragm,
Need to process surface exposed, glass sample is positioned between the upper millstone of polissoir and lower millstone and is immersed in the throwing
In light solution, the surface that the upper millstone or lower millstone of polissoir need to process to glass sample is polished polishing, and polishing is beaten
During mill, glass sample is immersed in polishing solution, so as to which the mechanical polishing of upper millstone or lower millstone to glass sample surface be beaten
Mill is combined with the physics polishing grinding of polishing powder.This preparation method technique is simple and convenient to operate, and due to being directly in glass
The surface of sample is polished polishing, is advantageous to reduce the thickness of touch-screen, and due to being physics polishing grinding, will not be to behaviour
The body for making personnel damages；Obtained glare proof glass has surface particles tiny, is evenly distributed, and light transmission rate is high, instead
It is low to penetrate rate, anti-dazzle light effect is good；With tradition compared with glass surface progress plated film obtains anti-dazzle photosphere, have prolonged difficult use etc. excellent
Point.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more specific and detailed, but simultaneously
Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of preparation method of glare proof glass, it is characterised in that comprise the following steps：
Polishing powder is prepared, the material and its weight proportion that the raw material of the polishing powder includes are：55~75 parts of aluminum oxide, zirconium oxide
1~5 part of 5~15 parts, 3~8 parts of cerium oxide, 3~8 parts of calcium oxide, 1~5 part of bortz powder, 1~5 part of carborundum and magnesia,
The polishing powder prepared；
Polishing solution is made after the polishing powder prepared is watered, the polishing solution is placed in the polishing disk of polissoir
In；
Surface of the glass sample without processing is protected, it is necessary to which that processes is surface exposed using diaphragm；
By it is described protected with diaphragm after glass sample be positioned between the upper millstone of polissoir and lower millstone and be immersed in
In the polishing solution, the surface that the upper millstone or lower millstone of polissoir need to process to glass sample is polished polishing；
Take out the glass sample after polishing grinding and cleaned, dry i.e. obtained glare proof glass.
2. the preparation method of glare proof glass according to claim 1, it is characterised in that the material of the glass sample is
Makrolon, polymethyl methacrylate or silica.
3. the preparation method of glare proof glass according to claim 1, it is characterised in that the thickness model of the glass sample
Enclose for 0.5mm~2mm.
4. the preparation method of glare proof glass according to claim 1, it is characterised in that need not by glass sample in step
Before the surface of processing is using diaphragm protection, in addition to step：
The surface of the glass sample is wiped using absolute ethyl alcohol.
5. the preparation method of glare proof glass according to claim 4, it is characterised in that use absolute ethyl alcohol pair in step
After the surface of the glass sample is wiped, in addition to step：
Whether examine the surface of the glass sample has cut；
If so, then give up；
If no, retain.
6. the preparation method of glare proof glass according to claim 1, it is characterised in that to the glass after being protected with diaphragm
The time that glass sample is polished polishing is 6~10 minutes.
7. the preparation method of glare proof glass according to claim 1, it is characterised in that step is by the throwing prepared
Light powder is made in polishing solution after being watered, and the mass ratio that polishing powder is watered is 1：10~1：30.
8. the preparation method of glare proof glass according to claim 1, it is characterised in that the upper millstone of the polissoir
Pressure is 0.06Mpa~0.09Mpa, and the lower millstone pressure of the polissoir is 0.1Mpa~0.3Mpa.
9. the preparation method of glare proof glass according to claim 1, it is characterised in that the upper millstone of the polissoir
Rotating speed is 5~15 turns per minute, and the lower millstone rotating speed of the polissoir is 15~35 turns per minute.
10. the preparation method of glare proof glass according to claim 1, it is characterised in that the polishing of the polissoir
The quantity of disk bearing glass sample is 1~24.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410503048.4A CN105436998B (en) | 2014-09-26 | 2014-09-26 | The preparation method of glare proof glass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410503048.4A CN105436998B (en) | 2014-09-26 | 2014-09-26 | The preparation method of glare proof glass |
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| Publication Number | Publication Date |
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| CN105436998A CN105436998A (en) | 2016-03-30 |
| CN105436998B true CN105436998B (en) | 2017-12-12 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111002115A (en) * | 2020-01-16 | 2020-04-14 | 程凯芬 | Anti-glare glass and processing method thereof |
| CN111302645A (en) * | 2020-04-09 | 2020-06-19 | 东莞市鲁发玻璃科技有限公司 | Anti-scratching anti-glare glass |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1608800A (en) * | 2003-10-20 | 2005-04-27 | 碧悠国际光电股份有限公司 | Grinding apparatus and method for refining grinding glass substrate |
| JP2007187952A (en) * | 2006-01-16 | 2007-07-26 | Sumitomo Chemical Co Ltd | Anti-glare film, method of manufacturing same, method of manufacturing die for same, and display device |
| CN100587899C (en) * | 2008-01-22 | 2010-02-03 | 舒锋 | Anti-dazzle processing technology of HID automobile lamp |
| CN102242891A (en) * | 2011-06-07 | 2011-11-16 | 威海东兴电子有限公司 | Special electrodeless lamp for classrooms |
| CN202109397U (en) * | 2011-06-17 | 2012-01-11 | 嘉兴并升照明电器有限公司 | Lampshade of LED (light-emitting diode) light source reflector lamp |
| CN202454194U (en) * | 2011-12-21 | 2012-09-26 | 北京金山顶尖科技股份有限公司 | Anti-glare liquid crystal display (LCD) |
| CN102649897A (en) * | 2012-04-17 | 2012-08-29 | 江苏中晶科技有限公司 | Acid polishing solution for surface machining of glass and silicon-contained compound |
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Address after: 330013 HUANGJIAHU Road, Nanchang Economic and Technological Development Zone, Nanchang City, Jiangxi Province Patentee after: NANCHANG OFILM OPTICAL TECHNOLOGY Co.,Ltd. Patentee after: Nanchang OFilm Tech. Co.,Ltd. Patentee after: Ophiguang Group Co.,Ltd. Patentee after: SUZHOU OFILM TECH Co.,Ltd. Address before: 330013 HUANGJIAHU Road, Nanchang Economic and Technological Development Zone, Nanchang City, Jiangxi Province Patentee before: NANCHANG OFILM OPTICAL TECHNOLOGY Co.,Ltd. Patentee before: Nanchang OFilm Tech. Co.,Ltd. Patentee before: OFilm Tech Co.,Ltd. Patentee before: SUZHOU OFILM TECH Co.,Ltd. Address after: 330013 HUANGJIAHU Road, Nanchang Economic and Technological Development Zone, Nanchang City, Jiangxi Province Patentee after: NANCHANG OFILM OPTICAL TECHNOLOGY Co.,Ltd. Patentee after: Nanchang OFilm Tech. Co.,Ltd. Patentee after: OFilm Tech Co.,Ltd. Patentee after: SUZHOU OFILM TECH Co.,Ltd. Address before: 330013 HUANGJIAHU Road, Nanchang Economic and Technological Development Zone, Nanchang City, Jiangxi Province Patentee before: NANCHANG OFILM OPTICAL TECHNOLOGY Co.,Ltd. Patentee before: Nanchang OFilm Tech. Co.,Ltd. Patentee before: Shenzhen OFilm Tech Co.,Ltd. Patentee before: SUZHOU OFILM TECH Co.,Ltd. |
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Effective date of registration: 20210223 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 HUANGJIAHU Road, Nanchang Economic and Technological Development Zone, Nanchang City, Jiangxi Province Patentee before: NANCHANG OFILM OPTICAL TECHNOLOGY Co.,Ltd. Patentee before: Nanchang OFilm Tech. Co.,Ltd. Patentee before: Ophiguang Group Co.,Ltd. Patentee before: SUZHOU OFILM TECH Co.,Ltd. |
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