CN103870087A - Bendable capacitive touch panel and production method thereof - Google Patents

Bendable capacitive touch panel and production method thereof Download PDF

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Publication number
CN103870087A
CN103870087A CN201410129208.3A CN201410129208A CN103870087A CN 103870087 A CN103870087 A CN 103870087A CN 201410129208 A CN201410129208 A CN 201410129208A CN 103870087 A CN103870087 A CN 103870087A
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layer
sensing electrode
plate glass
glass
base plate
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CN201410129208.3A
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CN103870087B (en
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沈励
许沭华
李建勇
胡里程
朱梅平
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Wuhu Token Sciences Co Ltd
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Wuhu Token Sciences Co Ltd
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Abstract

The invention discloses a bendable capacitive touch panel. An X-axis sensing electrode guide unit layer and a Y-axis sensing electrode guide unit layer are arranged on two surfaces of substrate glass, an explosion-proof film covers the Y-axis sensing electrode guide unit layer, OCA covers the X-axis sensing electrode guide unit layer, a covering plate covers the OCA, and the substrate glass is silicon-aluminum glass with the thickness of 0.18mm. The bendable capacitive touch panel is high in hardness of single glass, thin, soft and bendable.

Description

A kind of flexible capacitance type touch control screen and production method thereof
Technical field
The present invention relates to capacitance type touch control screen, relate in particular to a kind of capacitance type touch control screen and production method thereof that can be bending.
Background technology
Under social progress fast development, people pursue more and more higher to touch-screen.In order to meet intelligent terminal ultrathin and to promote display effect demand, in the situation that existing market price is competed day by day, in the situation that ensureing product quality, reduce costs and could create profit.
Along with TP industry gold-tinted photoetching technique is more and more stable, but gold-tinted lithographic process is very expensive at the consumptive material of making in using, and gold-tinted photoetching technique cuts into our required monolithic glass after only making for large glass sheet again.Consider cutting problem, the glass reinforced stressor layers of former material adopting when general gold-tinted photoetching making senser and OGS infrastructure product is: 6-9um.After cutting, intensity is: 100-300Map, need to reach These parameters needs to improve monolithic glass body intensity by hydrofluorite secondary hardening.In addition, the current touch screen of producing is thicker and flexibility is poor, under suppressing, very easily ruptures, and can not meet all users' demand.
Summary of the invention
Technical matters to be solved by this invention is that realization one is frivolous, intensity is large and soft flexible capacitance type touch control screen.
To achieve these goals, the technical solution used in the present invention is: a kind of flexible capacitance type touch control screen, base plate glass two sides is respectively equipped with that X-axis sensing electrode is led unit figure layer and Y-axis sensing electrode is led unit figure layer, described Y-axis sensing electrode is led unit figure layer and is coated with blow-out disc outward, described X-axis sensing electrode is led unit figure layer and is coated with OCA outward, described OCA is coated with cover plate outward, and described base plate glass is the sial glass of thickness 0.18-0.22mm.
Described cover plate is PET cover plate, and its thickness is 0.1-0.2mm.
The edge on described base plate glass two sides is respectively equipped with X-axis surrounding trace-diagram layer and Y-axis surrounding trace-diagram layer, and described cover plate scribbles towards the edge of base plate glass one side the black surround that blocks surrounding trace-diagram layer.
Described OCA thickness is 0.07-0.125mm.
Described X-axis sensing electrode is led unit figure layer and Y-axis sensing electrode, and to lead the ITO element thickness of unit figure layer be 30nm-60nm.
Described blow-out disc thickness is 0.1-0.15mm.
A kind of production method of flexible capacitance type touch control screen:
Step 1, the sial glass-cutting that is 0.18mm by thickness become monolithic, and monolithic glass is dropped in 400 DEG C of-420 DEG C of potassium nitrate liquids and soaks 5-6 hour, make base plate glass;
Step 2, be coated with ITO layer on base plate glass two sides;
Step 3, in the wherein edge type metal cabling printing monoblock of one side of base plate glass ITO layer, and in the non-graphics field of glass surrounding, metal contraposition cross drone is set, firmly roasting afterwards, again according to the contraposition of described metal contraposition cross drone, in base plate glass another side edge type metal cabling printing monoblock;
Step 4, utilize laser-induced thermal etching make on base plate glass two sides X-axis sensing electrode lead unit figure layer and and X-axis surrounding trace-diagram layer, Y-axis sensing electrode is led unit figure layer and Y-axis surrounding trace-diagram layer;
Step 5, X-axis sensing electrode are led the unit figure layer OCA that fits outward, and Y-axis sensing electrode is led the unit figure layer blow-out disc of fitting outward;
Step 6, make black surround in side edge thereof, and utilize the bonding cover plate of OCA.
In described step 1, sial glass-cutting is ground monolithic edge and profile after becoming monolithic.
In described step 2, ITO layer coating film thickness is 30-60nm.
In described step 3, first at a wherein type metal surrounding trace-diagram layer of base plate glass, afterwards with 150 DEG C of hard roasting 10-20 minute, then at another side type metal surrounding trace-diagram layer, afterwards with 150 DEG C of hard roasting 30-40 minute.
Capacitance type touch control screen of the present invention reaches the hard power of monolithic glass itself, and more frivolous, and can reach soft flexible effect.
Brief description of the drawings
Below the mark in content and figure that in instructions of the present invention, every width accompanying drawing is expressed is briefly described:
Fig. 1 is base plate glass case of bending schematic diagram;
Fig. 2 is touch-control screen structure schematic diagram;
Fig. 3 is touch screen layer structural drawing;
Fig. 4 is metal contraposition cross drone and metal routing printing monoblock schematic diagram;
Mark in above-mentioned figure is: 1, base plate glass; 2, OCA; 3, X-axis sensing electrode is led unit figure layer; 4, Y-axis sensing electrode is led unit figure layer; 5, X-axis surrounding trace-diagram layer; 6, Y-axis surrounding trace-diagram layer; 7, cover plate; 8, black surround; 9, blow-out disc; 10, metal contraposition cross drone; 11, metal routing printing monoblock.
Embodiment
Known referring to Fig. 2-3, flexible capacitance type touch control screen is sandwich construction, comprise base plate glass 1, OCA2, X-axis sensing electrode is led unit figure layer 3, Y-axis sensing electrode is led unit figure layer 4, cover plate 7 and blow-out disc 9, X-axis sensing electrode is led unit figure layer 3 and Y-axis sensing electrode and is led unit figure layer 4 and lay respectively at base plate glass 1 two sides, X-axis sensing electrode is led unit figure layer 3 and Y-axis sensing electrode, and to lead unit figure layer 4 square crossing evenly distributed, the edge on base plate glass 1 two sides has respectively X-axis surrounding trace-diagram layer 5 and Y-axis surrounding trace-diagram layer 6, be used for connecting that X-axis sensing electrode is led unit figure layer 3 and Y-axis sensing electrode is led unit figure layer 4.
Y-axis sensing electrode is led the outer blow-out disc 9 that is coated with of unit figure layer 4, blow-out disc 9 is a kind of capacitance plate a kind of PC plastic cement of sticking on glass that are attached to. effectively buffering collision of closed, prevent screen explosion, X-axis sensing electrode is led the outer OCA2 that is coated with of unit figure layer 3, OCA2 is coated with cover plate 7 outward, OCA2 is optical cement, for adhesive base plate glass 1 and cover plate 7, cover plate 7 is coated with black surround 8 towards the edge of base plate glass 1 one side, black surround 8 is black ink (UV type ink), is used for blocking metal surrounding trace-diagram layer on glass.
In order to reach both softness and the qualified object of intensity, flexibility reaches 40 degree as shown in Figure 1, need to adopt thickness is the preferred 0.18mm of 0.18-0.22mm() sial glass monolithic strengthening after make base plate glass 1, base plate glass 1 utilizes large base board glass to be thinned to 0.18-0.22mm by HF acid.In addition adopting the preferred 0.1mm of thickness 0.1-0.2mm() cover plate 7 fits with base plate glass 1, in order to strengthen cover plate 7 edge hardness, cover plate 7 sizes need to be made consistent with base plate glass 1 size shape.Cover plate 7 adopts PET Material texture, skin hardness 7H-9H.PET is a kind of macromolecular material, and full name is polyethylene terephthalate, has well optical and wearing quality.After making, OCA2 thickness is 0.125mm, X-axis sensing electrode is led unit figure layer 3 and Y-axis sensing electrode, and to lead the ITO layer thickness of unit figure layer 4 be 30nm-60nm, blow-out disc 9 thickness are the preferred 0.1mm of 0.1-0.15mm(), thus ensure that product is not only thin, and also intensity is up-to-standard.
The production method of above-mentioned flexible capacitance type touch control screen is as follows:
Step 1, the sial glass-cutting after nonreinforcement attenuate is become to monolithic, sial thickness of glass is 0.18mm, use CNC board to grind monolithic edge and profile, monolithic glass is dropped in 420 DEG C of potassium nitrate liquids and soaked 5 hours, make base plate glass 1, base plate glass 1 intensity after strong can reach: 500-650Map, and stressor layers is 14-16um, flexibility is greater than 40 °;
Step 2, employing vacuum magnetic-control sputtering method are to base plate glass 1 double coated ITO layer, and thickness is 30nm-60nm;
Step 3, use afterwards screen printer printing technology, as shown in Figure 4, in the edge on base plate glass 1 two sides type metal cabling printing monoblock 11, and metal contraposition cross drone 10 is set in glass dead space, firmly roasting afterwards, specifically, silk-screen board keeps to the side to locate, base plate glass 1 is wherein printed to metal routing printing monoblock 11 on the ITO layer at an edge, adopt laser silver slurry, and metal contraposition cross drone 10 is set in glass dead space, this is to use for the contraposition that can overlap of another side type metal cabling printing monoblock 11, prevent that two-sided sensing electrode from leading the skew of unit figure layer.One side is with 150 DEG C of hard roasting 10-20 minute afterwards.Again according to firmly baking 30-40min with 150 DEG C after print targets head-stamp brush another side bulk metal surrounding trace-diagram layer laser silver slurry, conventionally be only can, by ITO pattern and the disposable figure that is etched into of metal surrounding cabling, effectively reduce cost for laser-induced thermal etching at ITO layer and metal level;
Step 4, utilize laser-induced thermal etching to make on base plate glass 1 two sides that X-axis sensing electrode is led unit figure layer 3 and Y-axis sensing electrode is led unit figure layer 4, and X-axis surrounding trace-diagram layer 5 and Y-axis surrounding trace-diagram layer 6;
Step 5, X-axis sensing electrode are led the outer laminating OCA2 of unit figure layer 3, and Y-axis sensing electrode is led the outer laminating blow-out disc 9 of unit figure layer 4;
Step 6, adopt the cover-plate glass 7 of radium-shine well cutting overall dimensions, the cover-plate glass 7 hard power in surface are greater than 7H, utilize silk-screen printing technology, be convenient to printing black black surround 8 ink figure layers at cover-plate glass 7, black ink will use UV cured printing ink, after being printed as figure, use 250mj/cm energy by ink solidification, finally utilize OCA2 adhesive cover glass sheet 7.
By reference to the accompanying drawings the present invention is exemplarily described above; obviously specific implementation of the present invention is not subject to the restrictions described above; as long as adopted the improvement of the various unsubstantialities that method of the present invention design and technical scheme carry out; or without improving, design of the present invention and technical scheme are directly applied to other occasion, all within protection scope of the present invention.

Claims (10)

1. a flexible capacitance type touch control screen, it is characterized in that: base plate glass two sides is respectively equipped with that X-axis sensing electrode is led unit figure layer and Y-axis sensing electrode is led unit figure layer, described Y-axis sensing electrode is led unit figure layer and is coated with blow-out disc outward, described X-axis sensing electrode is led unit figure layer and is coated with OCA outward, described OCA is coated with cover-plate glass outward, and described base plate glass is the sial glass of thickness 0.18-0.22mm.
2. flexible capacitance type touch control screen according to claim 1, is characterized in that: described cover-plate glass is PET material cover plate, and thickness is 0.1-0.2mm.
3. flexible capacitance type touch control screen according to claim 1, it is characterized in that: the edge on described base plate glass two sides is respectively equipped with X-axis surrounding trace-diagram layer and Y-axis surrounding trace-diagram layer, described cover-plate glass scribbles towards the edge of base plate glass one side the black surround that blocks surrounding trace-diagram layer.
4. flexible capacitance type touch control screen according to claim 1, is characterized in that: described OCA thickness is 0.07-0.125mm.
5. flexible capacitance type touch control screen according to claim 1, is characterized in that: described X-axis sensing electrode is led unit figure layer and Y-axis sensing electrode, and to lead the ITO element thickness of unit figure layer be 30nm-60nm.
6. flexible capacitance type touch control screen according to claim 1, is characterized in that: described blow-out disc thickness is 0.1-0.15mm.
7. a production method for flexible capacitance type touch control screen, is characterized in that:
Step 1, the sial glass-cutting that is 0.18mm by thickness become monolithic, and monolithic glass is dropped in 400 DEG C of-420 DEG C of potassium nitrate liquids and soaks 5-6 hour, make base plate glass;
Step 2, be coated with ITO layer on base plate glass two sides;
Step 3, in the wherein edge type metal cabling printing monoblock of one side of base plate glass ITO layer, and in the non-graphics field of glass surrounding, metal contraposition cross drone is set, firmly roasting afterwards, again according to the contraposition of described metal contraposition cross drone, in base plate glass another side edge type metal cabling printing monoblock;
Step 4, utilize laser-induced thermal etching to make on base plate glass two sides that X-axis sensing electrode is led unit figure layer and Y-axis sensing electrode is led unit figure layer, and X-axis surrounding trace-diagram layer and Y-axis surrounding trace-diagram layer;
Step 5, X-axis sensing electrode are led the unit figure layer OCA that fits outward, and Y-axis sensing electrode is led the unit figure layer blow-out disc of fitting outward;
Step 6, make black surround at cover-plate glass edge, and utilize OCA adhesive cover glass sheet.
8. the production method of flexible capacitance type touch control screen according to claim 7, is characterized in that: in described step 1, sial glass-cutting is ground monolithic edge and profile after becoming monolithic.
9. the production method of flexible capacitance type touch control screen according to claim 7, is characterized in that: in described step 2, ITO layer coating film thickness is 30nm-60nm.
10. the production method of flexible capacitance type touch control screen according to claim 7, it is characterized in that: in described step 3, first at a wherein type metal surrounding trace-diagram layer of base plate glass, afterwards with 150 DEG C of hard roasting 10-20 minute, again at another side type metal surrounding trace-diagram layer, afterwards with 150 DEG C of hard roasting 30-40 minute.
CN201410129208.3A 2014-03-31 2014-03-31 A kind of flexible capacitance type touch control screen and production method thereof Active CN103870087B (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104118181A (en) * 2014-07-07 2014-10-29 苏州世优佳电子科技有限公司 Explosion-proof membrane
CN105446557A (en) * 2014-08-16 2016-03-30 深圳业际光电股份有限公司 Manufacturing method of frameless capacitive touch screen
CN106873814A (en) * 2015-12-14 2017-06-20 联想(北京)有限公司 A kind of control method and electronic equipment
CN111831167A (en) * 2019-04-15 2020-10-27 万达光电科技股份有限公司 Manufacturing method of capacitive touch panel and capacitive touch panel

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110298725A1 (en) * 2010-06-03 2011-12-08 J Touch Corporation Touch panel manufacturing method and structure thereof
CN102722302A (en) * 2012-05-29 2012-10-10 格林精密部件（惠州）有限公司 Capacitive touch-control screen with single-layer Film double-faced ITO (indium tin oxide) structure
CN102999175A (en) * 2012-08-29 2013-03-27 漳州宝发光电科技有限公司 Structure of three-dimensional (3D) touch mouse

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110298725A1 (en) * 2010-06-03 2011-12-08 J Touch Corporation Touch panel manufacturing method and structure thereof
CN102722302A (en) * 2012-05-29 2012-10-10 格林精密部件（惠州）有限公司 Capacitive touch-control screen with single-layer Film double-faced ITO (indium tin oxide) structure
CN102999175A (en) * 2012-08-29 2013-03-27 漳州宝发光电科技有限公司 Structure of three-dimensional (3D) touch mouse

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104118181A (en) * 2014-07-07 2014-10-29 苏州世优佳电子科技有限公司 Explosion-proof membrane
CN105446557A (en) * 2014-08-16 2016-03-30 深圳业际光电股份有限公司 Manufacturing method of frameless capacitive touch screen
CN106873814A (en) * 2015-12-14 2017-06-20 联想(北京)有限公司 A kind of control method and electronic equipment
US10558289B2 (en) 2015-12-14 2020-02-11 Lenovo (Beijing) Limited Control method and electronic device
CN106873814B (en) * 2015-12-14 2020-02-21 联想(北京)有限公司 Control method and electronic equipment
CN111831167A (en) * 2019-04-15 2020-10-27 万达光电科技股份有限公司 Manufacturing method of capacitive touch panel and capacitive touch panel

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