CN100495137C - Method for making Electric impedance type glass/glass type touch screen - Google Patents
Method for making Electric impedance type glass/glass type touch screen Download PDFInfo
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- CN100495137C CN100495137C CNB2007100289505A CN200710028950A CN100495137C CN 100495137 C CN100495137 C CN 100495137C CN B2007100289505 A CNB2007100289505 A CN B2007100289505A CN 200710028950 A CN200710028950 A CN 200710028950A CN 100495137 C CN100495137 C CN 100495137C
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Abstract
The invention discloses a making method of resistance-typed glass/glass typed touching screen, which comprises the following steps: etching pattern on the transparent conductive layer of lower glass base to make dispersing separating point; making electrode and binder on the lower glass base; etching pattern on the transparent conductive layer of upper glass base to make electrode thereon; binding upper and lower glass bases; sealing the rim; using etching liquid to etch to the needed depth; cutting two pieces of glass base according to the size of touching screen; obtaining the product. The invention has high reliability, simple technique and low cost, which can prevent glass from cracking.
Description
Technical field
The present invention relates to a kind of method for making of touch-screen, specifically be meant a kind of method for making of Electric impedance type glass/glass type touch screen.
Background technology
At present, as a kind of input technology, the application of resistive touch screen more and more widely.And resistive touch screen can be divided into: types such as film/film, film/glass, glass/glass.In this touch-screen of three types, the reliability with glass/glass type touch-screen is the highest again, is the main force that is applied to military affairs, field such as vehicle-mounted.
Present stage, in the manufacture craft of glass/glass type touch-screen, because glass/glass type touch-screen requires the thickness enough little (≤0.2 millimeter) of top glass substrate, under this thickness, all processing in top glass substrate all can run into very big difficulty, such as: glass breakage etc.Like this, the yields that the glass/glass type is produced is very low, and therefore cost increases.
In addition, silver slurry point (COM point) method of attachment of the effect that the conducting upper/lower electrode is arranged is adopted in the connection of glass/glass type touch screen electrode usually: make the electrode of upper substrate be connected with infrabasal plate electrode cabling by making special conductiving point.This method not only more has increased by a procedure, and also more complicated of manufacturing process.
Summary of the invention
The purpose of this invention is to provide that a kind of technology is simple, cost is low and can prevent the touch-screen method for making of the resistance-type glass/glass type of glass breakage.
Above-mentioned purpose of the present invention realizes by following technical solution: a kind of method for making of Electric impedance type glass/glass type touch screen is characterized in that: this method comprises the steps:
A, the isolating points that etches pattern and make to disperse on the transparency conducting layer of lower glass substrate are made electrode then in the above;
B, on lower glass substrate, make binder;
C, on the transparency conducting layer of top glass substrate, etch pattern, make electrode then in the above;
D, together with above-mentioned two sheet glass baseplate-laminatings, after upper and lower glass substrate is fitted, the top glass substrate electrode walk line end and lower glass substrate to walk line end corresponding;
E, enclose the sticking anti-etching diaphragm of one deck one-side band, then encapsulation process is carried out in the edge at the back side of lower glass substrate;
F, the two sheet glass substrates that fit together in the described step e are carried out etching with etching solution, etch the required degree of depth;
After G, etching are finished, remove the diaphragm of lower glass substrate, two glass sheets that fit together according to the size of touch-screen cut touch-screen.
In the touch-screen of the present invention, because top glass substrate is to carry out etching after applying again, so adding man-hour, top glass substrate can be selected bigger thickness, makes that top glass substrate is not easy to break in process.
In steps A and C, 8～25 microns of the thickness of described electrode.
In steps A, the material of top glass substrate is borosilicate or soda-lime glass or the like.
In step F, after etching, 0.1～0.2 millimeter of the thickness of top glass substrate.
In step F, etching method is for soaking etching or spray etching.
In step D, adopt the laser contraposition when upper and lower sheet glass is fitted, and in the process of whole applying, the back side of upper and lower two sheet glass is adsorbed tightly by vacuum plant all.
In step D, after upper and lower glass substrate was fitted, when the thickness of binder during less than the thickness sum of upper glass thickness of electrode and lower-glass electrode cabling, top glass substrate electrode and lower glass substrate electrode were walked the line end also conducting that directly links to each other.
Described binder is a heat-curable epoxy resin, and the inside is mixed with the bar-shaped or spherical particle of diameter between 5 microns～20 microns.
In step e, the seal process of two sheet glass substrate edges is: at first stick one layer tape at the edge of the anti-etching diaphragm of lower glass substrate, continuity point glue on adhesive tape after by the time glue penetrates into space between two sheet glass substrates, is cured again.Described fluid sealant is an optic-solidified adhesive.
Compare with prior art, the present invention has following remarkable result:
(1) because top glass substrate is to carry out etching after applying again, so adding man-hour, top glass substrate can be selected bigger thickness.Like this, be not easy to break in the glass processing process, yields is higher, and technology is simpler.
(2) because top glass substrate is to carry out etching after applying again, thus in the choice during glass substrate not only in high-intensity glass, the glass that intensity is low relatively also can be used as upper substrate.
(3) method of glass etching is simple, convenient, and relatively directly buys the glass that thickness only needs 0.3 millimeter, has the advantage on the cost again.
(4) owing to saved silver-colored slurry point (com point), the electrode of top glass substrate directly links to each other with lower glass substrate electrode cabling and conducting, and technology is simple more, convenient, saves cost, enhances productivity.
Description of drawings
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail.
Fig. 1 is the one-piece construction synoptic diagram of touch-screen of the present invention;
Fig. 2 is the top glass substrate electrode lay-out synoptic diagram of touch-screen of the present invention;
Fig. 3 is the lower glass substrate electrode and the binder schematic layout pattern of touch-screen of the present invention.
Embodiment
A kind of Electric impedance type glass/glass type touch screen as shown in Figure 1 to Figure 3, its manufacturing process is: after touching the last lower glass substrate applying and sealing of screen, be immersed in and carry out etching in the groove that etching solution is housed, glass substrate forms certain thickness after etching.Concrete making step is as follows:
A, the isolating points 4 that etches pattern and make to disperse on the transparency conducting layer 2b of lower glass substrate 2 are made electrode 7,8,9,10 then in the above, and the thickness d 2 of electrode is 8～25 microns.
B, on lower glass substrate 2, make binder 3, binder can be selected heat-curable epoxy resin for use, the inside is mixed with the bar-shaped or spherical particle of diameter between 5 microns～20 microns, the main effect of the bar-shaped or spherical particle of sneaking into be determine between the upper and lower glass substrate edge apart from d;
C, etch pattern on the transparency conducting layer 1b of top glass substrate 1, make electrode 5,6 then in the above, the thickness d 1 of electrode is 8～25 microns, and top glass substrate can be selected Pyrex or soda-lime glass or the like for use;
D, together with above-mentioned two sheet glass baseplate-laminatings, after last lower glass substrate is fitted, the electrode of top glass substrate 1 is walked line end 5a, 6a, and to walk line end 7a, 9a corresponding with the electrode of lower glass substrate 2 respectively, satisfying under the situation of d＜(d1+d2), the electrode of top glass substrate 1 is walked line end 5a, 6a and is linked together and conducting because of pressurized with 7a, the 9a of lower glass substrate 2 respectively;
E, enclose the sticking anti-etching diaphragm of one deck one-side band at the back side of lower glass substrate 2, then seal approach is taked in the edge, fluid sealant adopts optic-solidified adhesive, during point glue, at first stick one layer tape around the edge of the anti-etching diaphragm of lower glass substrate, continuity point glue on adhesive tape is after fluid sealant infiltrates space between two sheet glass and arrive certain degree of depth, be cured then, this degree of depth is approximately 3 millimeters usually;
F, adopt normal etch liquid to carry out etching the two sheet glass substrates that fit together in the described step e, until etching the required degree of depth, behind the etching attenuate, 0.1～0.2 millimeter of the thickness of top glass substrate 1, and etched depth as required, moment liquid concentration and etching mode is different, constantly, the etched time is also different, etching method can be to soak etching, also can be the spray etching;
After G, etching are finished, remove the diaphragm of lower glass substrate, the two sheet glass substrates that fit together according to the size of touch-screen cut touch-screen.
Claims (6)
1, a kind of method for making of Electric impedance type glass/glass type touch screen is characterized in that: comprise the steps:
A, the isolating points that etches pattern and make to disperse on the transparency conducting layer of lower glass substrate are made electrode then in the above;
B, on lower glass substrate, make binder;
C, on the transparency conducting layer of top glass substrate, etch pattern, make electrode then in the above;
D, together with above-mentioned two sheet glass baseplate-laminatings, after upper and lower glass substrate is fitted, the top glass substrate electrode walk line end and lower glass substrate to walk line end corresponding;
E, enclose the sticking anti-etching diaphragm of one deck one-side band, then encapsulation process is carried out in the edge at the back side of lower glass substrate;
F, the two sheet glass substrates that fit together in the described step e are carried out etching with normal etch liquid, etch the required degree of depth;
After G, etching are finished, remove the diaphragm of lower glass substrate, two glass sheets that fit together according to the size of touch-screen cut touch-screen;
In steps A and C, the thickness of described electrode is 8～25 microns.
2, a kind of Electric impedance type glass/glass type touch screen method for making according to claim 1 is characterized in that: in steps A, the material of top glass substrate is borosilicate or soda-lime glass.
3, a kind of Electric impedance type glass/glass type touch screen method for making according to claim 1 is characterized in that: in step F, and after etching, 0.1～0.2 millimeter of the thickness of top glass substrate.
4, a kind of Electric impedance type glass/glass type touch screen method for making according to claim 1, it is characterized in that: in step D, after upper and lower glass substrate is fitted, the thickness of binder is less than the thickness sum of upper glass thickness of electrode and lower-glass electrode cabling, makes top glass substrate electrode and lower glass substrate electrode walk that line end directly links to each other and conducting.
5, a kind of Electric impedance type glass/glass type touch screen method for making according to claim 1, it is characterized in that: described binder is a heat-curable epoxy resin, the inside is mixed with the bar-shaped or spherical particle of diameter between 5 microns～20 microns.
6, a kind of Electric impedance type glass/glass type touch screen method for making according to claim 1, it is characterized in that: in step e, the seal process of two sheet glass substrate edges is: at first stick one layer tape at the edge of the anti-etching diaphragm of lower glass substrate, continuity point fluid sealant on adhesive tape, by the time after fluid sealant penetrates into space between two sheet glass substrates, be cured again; Described fluid sealant is an optic-solidified adhesive.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2007100289505A CN100495137C (en) | 2007-07-02 | 2007-07-02 | Method for making Electric impedance type glass/glass type touch screen |
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2007100289505A CN100495137C (en) | 2007-07-02 | 2007-07-02 | Method for making Electric impedance type glass/glass type touch screen |
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| CN101082713A CN101082713A (en) | 2007-12-05 |
| CN100495137C true CN100495137C (en) | 2009-06-03 |
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| CNB2007100289505A Active CN100495137C (en) | 2007-07-02 | 2007-07-02 | Method for making Electric impedance type glass/glass type touch screen |
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Families Citing this family (17)
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| CN101781095B (en) * | 2009-01-16 | 2011-11-09 | 深圳南玻显示器件科技有限公司 | Manufacturing method of resistance-type touch screen |
| CN101781092B (en) * | 2009-01-16 | 2011-11-09 | 深圳南玻显示器件科技有限公司 | Method for manufacturing transparent conductive film glass |
| CN101781091B (en) * | 2009-01-16 | 2011-11-09 | 深圳南玻显示器件科技有限公司 | Device for bearing transparent conductive film glass during thinning single surface and thinning method for transparent conductive film glass |
| CN102020417A (en) * | 2009-09-16 | 2011-04-20 | 昆山汉白精密设备有限公司 | Process for processing glass for electronic product |
| US9244557B2 (en) | 2009-10-30 | 2016-01-26 | Kyocera Corporation | Input device and a display device including the input device |
| CN102133568B (en) * | 2010-01-27 | 2014-01-29 | 比亚迪股份有限公司 | Glue-dispensing method and pattern for touch panel |
| CN102331882B (en) * | 2011-10-12 | 2013-10-16 | 友达光电（苏州）有限公司 | Touch display equipment and manufacturing method thereof |
| CN102508586B (en) * | 2011-10-26 | 2016-04-27 | 深圳市东丽华科技有限公司 | A kind of capacitive touch screen glass panel and preparation method thereof |
| KR102173801B1 (en) | 2012-07-12 | 2020-11-04 | 가부시키가이샤 한도오따이 에네루기 켄큐쇼 | Display device and method for manufacturing display device |
| CN103543862A (en) * | 2012-07-13 | 2014-01-29 | 永恒科技有限公司 | Touch screens and manufacturing method thereof |
| CN103631457A (en) * | 2012-08-27 | 2014-03-12 | 比亚迪股份有限公司 | Capacitive touch screen and preparing method thereof |
| CN105102390B (en) * | 2013-01-28 | 2019-03-01 | 日产化学工业株式会社 | The manufacturing method for the glass substrate being thinning |
| CN103558939B (en) * | 2013-10-31 | 2016-08-31 | 南昌欧菲光学技术有限公司 | Nesa coating, its preparation method and use the contactor control device of this nesa coating |
| CN104461211B (en) * | 2014-05-31 | 2017-07-04 | 福州大学 | A kind of 3D manufacture methods of resistive touch screen |
| CN106033289B (en) * | 2015-03-19 | 2019-08-02 | 河北冀雅电子有限公司 | A method of preparing black and white lattice touch LCD screen |
| CN108415610A (en) * | 2018-04-03 | 2018-08-17 | 京东方科技集团股份有限公司 | A kind of preparation method and touch sensing of touch sensing |
| JP6921793B2 (en) * | 2018-09-14 | 2021-08-18 | パナソニック液晶ディスプレイ株式会社 | Manufacturing method of liquid crystal display device |
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Owner name: TRULY OPTO-ELECTRONICS (SHANWEI) LTD. Free format text: FORMER OWNER: XINLI SEMICONDUCTOR CO., LTD. Effective date: 20110802 |
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Effective date of registration: 20110802 Address after: 516600, Guangdong City, Shanwei Province Industrial Road, Xinli electronics industry into Patentee after: Truly Semiconductors (Shanwei) Co., Ltd. Address before: 516600, Guangdong City, Shanwei Province Industrial Road, Xinli electronic industrial city Patentee before: Xinli Semiconductor Co., Ltd. |
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Address after: 516600 Guangdong Industrial Zone, Shanwei City Road, Lee Lee Industrial City, a district of the building fifteenth Patentee after: Truly Opto-Electronics Ltd. Address before: 516600, Guangdong City, Shanwei Province Industrial Road, Xinli electronics industry into Patentee before: Truly Semiconductors (Shanwei) Co., Ltd. |