CN105183216A - Touch screen and manufacturing method therefor - Google Patents
Touch screen and manufacturing method therefor Download PDFInfo
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- CN105183216A CN105183216A CN201510487710.6A CN201510487710A CN105183216A CN 105183216 A CN105183216 A CN 105183216A CN 201510487710 A CN201510487710 A CN 201510487710A CN 105183216 A CN105183216 A CN 105183216A
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Abstract
The present invention provides a touch screen. The touch screen comprises double-layer glass, an ITO layer and a hydro-gel; the double-layer glass is separately an outer layer glass and a bottom layer glass, and a cavity structure is formed between the outer layer glass and the bottom layer glass and the cavity is filled with the hydro-gel; and the ITO layer is positioned in a space defined by the outer layer glass and the bottom layer glass, wherein an X-layer sensing routing of the ITO layer is positioned in the cavity of the outer layer glass and adhered to the outer layer glass, and a Y-layer sensing routing of the ITO layer is positioned in the cavity of the bottom layer glass and adhered to the bottom layer glass. According to the touch screen and the manufacturing method therefor provided by the present invention, one layer of glass is arranged additionally and an ITO shielding layer is arranged at the bottom of the glass, by which structure a stronger anti-interference capability and a better effect of the touch screen are achieved.
Description
Technical field
The present invention relates to a kind of touch-screen and preparation method thereof.
Background technology
In industrial circle, display module often works in harsh applied environment, and electromagnetic radiation is strong, and capacitance touch screen display module needs directly in the face of multiple electromagnetic radiation.Simultaneously because equipment needs, the cover plate of touch-screen increase in demand 2mm ~ 6mm, requiring touch-screen to possess needs the sensitivity of superelevation.Under this application conditions, touch-screen is more easily subject to the interference from bottom interference source, and interference source comprises TFT/OLED and shows module, motherboard circuit drive plate etc.To such an extent as to touch-screen cannot work normally, occur that touch-screen is reported a little or the breakneck bad phenomenon such as insensitive automatically.Especially, in medicine equipment, definitely insensitive situation can not be there is.
For reducing the interference of touch-screen, usually need to add a screen layer at the bottom of touch-screen.Traditional settling mode is, increases the glass of one deck with shielding stratum in the bottom of touch-screen module.But the thickness of this shield glass itself will affect the integral thickness of touch-screen display module.Adopt this kind of mode, the requirement of client to product thickness cannot be met.
Summary of the invention
For overcoming the deficiencies in the prior art, the invention provides a kind of highly sensitive effective touch-screen and preparation method thereof.
Technical scheme provided by the invention is:
A kind of touch-screen, comprises layer glass, ITO layer and glue;
Described layer glass is respectively glass outer and bottom glass, forms a cavity structure, be full of glue in cavity between described glass outer and bottom glass; Described ITO layer is arranged in the cavity that described glass outer and bottom glass surround, and wherein the X layer sensing cabling of ITO layer is positioned at cavity inside and is affixed on glass outer, and the Y layer sensing cabling of described ITO layer is positioned at cavity inside and is affixed on bottom glass.
Preferably, also comprise a screen layer, described screen layer is positioned at described bottom glass outer and is closely affixed on bottom glass.
Preferably, the impedance of described screen layer is 80 ~ 300 Ω/mm
2.
Preferably, described screen layer is ITO screen layer.
Preferably, between the X layer sensing cabling of ITO layer and the Y layer sensing cabling of ITO layer by the electrical connection of silver slurry point.
Preferably, also comprise flexible PCB and touch chip, described touch chip is positioned on flexible PCB, and described flexible PCB is electrically connected with glass outer by conductive tape, thus the touch-control circuit at touch chip place is electrically connected with touch-screen.
Preferably, described conductive tape is ACF adhesive tape.
Invention also provides a kind of method for making of touch-screen:
Method for making is:
One, ultrasonic prerinse is carried out to glass, at ito surface coating photoresist;
Two, the glass scribbling photoresist exposed, develop, post bake;
Three, glass etched, remove photoresist, silk-screen frame, silver point, dust after again hot pressing is carried out to it;
Four, glass is detected, scribing is carried out to glass, reject inferior glass according to testing result simultaneously;
Five, glass two panels being divided into monolithic carries out contraposition, carries out ultra-violet curing process after pouring into glue wiping glue to glue.
Preferably,
Also comprise for carrying out the method for making of the flexible PCB be electrically connected with touch-screen:
One, surperficial coating technique process is carried out to touch chip and electron device, touch chip pin and electron device are pasted onto on flexible PCB, high temperature reflux weldering is carried out to the touch chip pin pasted and electron device, touch chip pin and electron device are fixed;
Two, under the environment of hundred grades of cleanliness factors, the golden finger of flexible PCB is electrically connected with the ITO pin on glass by conductive tape, and flexible PCB and glass are carried out high-temperature laminating.
Beneficial effect of the present invention:
The present invention arranges one deck glass by increase, and arranges ITO screen layer at Glass base, and such structure makes the antijamming capability energy of touch-screen strong, better effects if.
Accompanying drawing explanation
Fig. 1 is the structural representation of touch-screen of the present invention;
Fig. 2 is the touch-screen of touch-screen of the present invention and the schematic diagram of flexible PCB combination.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described:
As depicted in figs. 1 and 2, a kind of touch-screen, comprises layer glass, and described layer glass is respectively glass outer 1 and bottom glass 5; Form a cavity structure between described glass outer 1 and bottom glass 5, in cavity, be full of glue 3; Described ITO layer is arranged in the cavity that described glass outer 1 and bottom glass 5 surround, wherein the X layer sensing cabling 2 of ITO layer is horizontal sensing cabling, it is positioned at cavity inside and is affixed on glass outer 1, the Y layer sensing cabling 4 of described ITO layer is vertical cabling, and it is positioned at cavity inside and is affixed on bottom glass 5.Also comprise a screen layer 6, described screen layer 6 is positioned at the outside of described bottom glass 5 and is closely affixed on bottom glass 5.Described screen layer can be ITO screen layer, and its impedance is 80 ~ 300 Ω/mm
2.Described ITO screen layer is the screen layer of whole, does not etch it.Use glass of the present invention is 0.7mm, and ensures that thickness is no more than 1.45mm when not adding ITO screen layer.
By the electrical connection of silver slurry point between the X layer sensing cabling 2 of ITO layer of the present invention and the Y layer sensing cabling 4 of ITO layer.Flexible PCB 7 and touch chip 8 are the signal exit of touch-screen, described touch chip 8 is positioned on flexible PCB 7, described flexible PCB 7 is electrically connected with glass outer 1 by ACF adhesive tape, thus the touch-control circuit at touch chip 8 place is electrically connected with touch-screen.
The present invention additionally provides the method for making of above-mentioned touch-screen simultaneously:
Method for making is:
One, ultrasonic prerinse is carried out to glass, at ito surface coating photoresist;
Two, the glass scribbling photoresist exposed, develop, post bake;
Three, glass etched, remove photoresist, silk-screen frame, silver point, dust after again hot pressing is carried out to it;
Four, glass is detected, scribing is carried out to glass, reject inferior glass according to testing result simultaneously;
Five, glass two panels being divided into monolithic carries out contraposition, carries out ultra-violet curing process after pouring into glue wiping glue to glue.
Be more than the method for making of touch-screen, here is the method for making of the flexible PCB of touch-screen:
One, surperficial coating technique process is carried out to touch chip and electron device, touch chip pin and electron device are pasted onto on flexible PCB, high temperature reflux weldering is carried out to the touch chip pin pasted and electron device, touch chip pin and electron device are fixed;
Two, under the environment of hundred grades of cleanliness factors, the golden finger of flexible PCB is electrically connected with the ITO pin on glass by conductive tape, and flexible PCB and glass are carried out high-temperature laminating.
Touch-screen of the present invention can be obtained with crossing above step.
Claims (9)
1. a touch-screen, is characterized in that:
Comprise layer glass, ITO layer and glue;
Described layer glass is respectively glass outer and bottom glass, forms a cavity structure, be full of glue in cavity between described glass outer and bottom glass; Described ITO layer is arranged in the cavity that described glass outer and bottom glass surround, and wherein the X layer sensing cabling of ITO layer is positioned at cavity inside and is affixed on glass outer, and the Y layer sensing cabling of described ITO layer is positioned at cavity inside and is affixed on bottom glass.
2. touch-screen according to claim 1, is characterized in that:
Also comprise a screen layer, described screen layer is positioned at described bottom glass outer and is closely affixed on bottom glass.
3. touch-screen according to claim 2, is characterized in that:
The impedance of described screen layer is 80 ~ 300 Ω/mm
2.
4. the touch-screen according to Claims 2 or 3, is characterized in that:
Described screen layer is ITO screen layer.
5. touch-screen according to claim 1, is characterized in that:
By the electrical connection of silver slurry point between the X layer sensing cabling of ITO layer and the Y layer sensing cabling of ITO layer.
6. touch-screen according to claim 1, is characterized in that:
Also comprise flexible PCB and touch chip, described touch chip is positioned on flexible PCB, and described flexible PCB is electrically connected with glass outer by conductive tape, thus the touch-control circuit at touch chip place is electrically connected with touch-screen.
7. touch-screen according to claim 6, is characterized in that:
Described conductive tape is ACF adhesive tape.
8. a method for making for touch-screen, is characterized in that:
Method for making is:
One, ultrasonic prerinse is carried out to glass, at ito surface coating photoresist;
Two, the glass scribbling photoresist exposed, develop, post bake;
Three, glass etched, remove photoresist, silk-screen frame, silver point, dust after again hot pressing is carried out to it;
Four, glass is detected, scribing is carried out to glass, reject inferior glass according to testing result simultaneously;
Five, glass two panels being divided into monolithic carries out contraposition, carries out ultra-violet curing process after pouring into glue wiping glue to glue.
9. the method for making of touch-screen according to claim 8, is characterized in that:
Also comprise for carrying out the method for making of the flexible PCB be electrically connected with touch-screen:
One, surperficial coating technique process is carried out to touch chip and electron device, touch chip pin and electron device are pasted onto on flexible PCB, high temperature reflux weldering is carried out to the touch chip pin pasted and electron device, touch chip pin and electron device are fixed;
Two, under the environment of hundred grades of cleanliness factors, the golden finger of flexible PCB is electrically connected with the ITO pin on glass by conductive tape, and flexible PCB and glass are carried out high-temperature laminating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510487710.6A CN105183216A (en) | 2015-08-11 | 2015-08-11 | Touch screen and manufacturing method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510487710.6A CN105183216A (en) | 2015-08-11 | 2015-08-11 | Touch screen and manufacturing method therefor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105183216A true CN105183216A (en) | 2015-12-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510487710.6A Pending CN105183216A (en) | 2015-08-11 | 2015-08-11 | Touch screen and manufacturing method therefor |
Country Status (1)
| Country | Link |
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| CN (1) | CN105183216A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109358778A (en) * | 2018-12-20 | 2019-02-19 | 深圳晶华显示器材有限公司 | A kind of capacitive touch screen sensor production method, sensor and electronic equipment |
Citations (8)
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|---|---|---|---|---|
| CN201369036Y (en) * | 2009-03-05 | 2009-12-23 | 意力(广州)电子科技有限公司 | Projection-type capacitor touch screen |
| CN201383138Y (en) * | 2009-04-03 | 2010-01-13 | 泰柏科触控技术(深圳)有限公司 | Novel projection-type touch screen utilizing capacitive technology |
| CN202404564U (en) * | 2012-03-01 | 2012-08-29 | 宸正光电（厦门）有限公司 | Capacitance type touch panel with single flexible printed circuit board |
| CN202512556U (en) * | 2012-04-12 | 2012-10-31 | 南京华东电子信息科技股份有限公司 | Capacitive touch induction panel |
| CN102866800A (en) * | 2011-07-07 | 2013-01-09 | 三星电子株式会社 | Touch screen panel liquid crystal display device |
| CN103593089A (en) * | 2013-11-30 | 2014-02-19 | 东莞市平波电子有限公司 | Manufacturing technology of touch screen of GG structure |
| CN204480223U (en) * | 2015-03-10 | 2015-07-15 | 深圳市成鸿科技有限公司 | A kind of high strength GG capacitive touch screen structure |
| CN205015873U (en) * | 2015-08-11 | 2016-02-03 | 深圳晶华显示器材有限公司 | Touch screen |
-
2015
- 2015-08-11 CN CN201510487710.6A patent/CN105183216A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201369036Y (en) * | 2009-03-05 | 2009-12-23 | 意力(广州)电子科技有限公司 | Projection-type capacitor touch screen |
| CN201383138Y (en) * | 2009-04-03 | 2010-01-13 | 泰柏科触控技术(深圳)有限公司 | Novel projection-type touch screen utilizing capacitive technology |
| CN102866800A (en) * | 2011-07-07 | 2013-01-09 | 三星电子株式会社 | Touch screen panel liquid crystal display device |
| CN202404564U (en) * | 2012-03-01 | 2012-08-29 | 宸正光电（厦门）有限公司 | Capacitance type touch panel with single flexible printed circuit board |
| CN202512556U (en) * | 2012-04-12 | 2012-10-31 | 南京华东电子信息科技股份有限公司 | Capacitive touch induction panel |
| CN103593089A (en) * | 2013-11-30 | 2014-02-19 | 东莞市平波电子有限公司 | Manufacturing technology of touch screen of GG structure |
| CN204480223U (en) * | 2015-03-10 | 2015-07-15 | 深圳市成鸿科技有限公司 | A kind of high strength GG capacitive touch screen structure |
| CN205015873U (en) * | 2015-08-11 | 2016-02-03 | 深圳晶华显示器材有限公司 | Touch screen |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109358778A (en) * | 2018-12-20 | 2019-02-19 | 深圳晶华显示器材有限公司 | A kind of capacitive touch screen sensor production method, sensor and electronic equipment |
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Application publication date: 20151223 |