CN204028877U - A kind of double-layer capacitance type touch-screen transparent conductive film group based on nano-silver thread - Google Patents
A kind of double-layer capacitance type touch-screen transparent conductive film group based on nano-silver thread Download PDFInfo
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- CN204028877U CN204028877U CN201420371903.6U CN201420371903U CN204028877U CN 204028877 U CN204028877 U CN 204028877U CN 201420371903 U CN201420371903 U CN 201420371903U CN 204028877 U CN204028877 U CN 204028877U
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- silver thread
- conductive film
- transparent conductive
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- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 title claims abstract description 70
- 239000004568 cement Substances 0.000 claims abstract description 11
- 239000011248 coating agent Substances 0.000 claims abstract description 11
- 238000000576 coating method Methods 0.000 claims abstract description 11
- 230000003287 optical effect Effects 0.000 claims abstract description 10
- 229910052731 fluorine Inorganic materials 0.000 claims abstract description 6
- 239000011737 fluorine Substances 0.000 claims abstract description 6
- 239000011347 resin Substances 0.000 claims abstract description 6
- 229920005989 resin Polymers 0.000 claims abstract description 6
- 125000001153 fluoro group Chemical group F* 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 12
- 238000005452 bending Methods 0.000 abstract description 5
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 abstract description 3
- 238000001755 magnetron sputter deposition Methods 0.000 abstract description 2
- 239000010408 film Substances 0.000 description 34
- 238000005516 engineering process Methods 0.000 description 19
- 239000000463 material Substances 0.000 description 11
- 229910052751 metal Inorganic materials 0.000 description 11
- 239000002184 metal Substances 0.000 description 11
- 239000002322 conducting polymer Substances 0.000 description 3
- 229920001940 conductive polymer Polymers 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 239000010409 thin film Substances 0.000 description 3
- 238000002834 transmittance Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 229910021389 graphene Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012827 research and development Methods 0.000 description 2
- 239000002042 Silver nanowire Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- CXKCTMHTOKXKQT-UHFFFAOYSA-N cadmium oxide Inorganic materials [Cd]=O CXKCTMHTOKXKQT-UHFFFAOYSA-N 0.000 description 1
- CFEAAQFZALKQPA-UHFFFAOYSA-N cadmium(2+);oxygen(2-) Chemical compound [O-2].[Cd+2] CFEAAQFZALKQPA-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- MRNHPUHPBOKKQT-UHFFFAOYSA-N indium;tin;hydrate Chemical compound O.[In].[Sn] MRNHPUHPBOKKQT-UHFFFAOYSA-N 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000001459 lithography Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000002207 thermal evaporation Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
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- Non-Insulated Conductors (AREA)
- Laminated Bodies (AREA)
Abstract
The utility model relates to a kind of double-layer capacitance type touch-screen transparent conductive film group based on nano-silver thread, and it is provided with anti-scratch anti-fog layer, the first optics pet layer, OCA optical cement layer, the first nano-silver thread conductive layer, the second optics pet layer and the second nano-silver thread conductive layer from top to bottom successively.Product prepared by this case, compared to ITO, adopts nano-silver thread can reduce face resistance, can be used for large scale touch-screen, and effectively can improve the resistance to bending ability of conductive film; In addition, ITO scarcity of resources, adopts nano-silver thread cheap for manufacturing cost, and does not need expensive magnetron sputtering apparatus; On optics PET, add fluorine resin coating simultaneously, drastically increase the anti-scratch anti misting capability of conductive film.
Description
Technical field
The utility model relates to a kind of conductive film, particularly relates to a kind of double-layer capacitance type touch-screen transparent conductive film group based on nano-silver thread.
Background technology
Come from the needs that flat-panel monitor makes, since Badeker is reported and to be made it forming cadmium oxide transparent conductive film by thermal evaporation cadmium, the research and development of transparent conductive film are subject to most attention.The sixties in last century, tin indium oxide (ITO) becomes the main body of nesa coating, decades afterwards, develop again the application of metal-based compound multilayer film, aluminium-doped zinc oxide (AZO) film, multicomponent transparent conductive oxide (TCO) material, conducting polymer film and other transparent conductive materials and given birth to.
Transparent conductive film is the most frequently used membraneous material of the transparency electrode of liquid crystal display (LCD), plasma display (PDP), electroluminescent display (EL/OLED), touch-screen (TouchPanel), solar cell and other electronic instruments.The products such as following mobile terminal, wearable device, intelligent appliance, solid demand is had to touch panel, along with contact panel is in large size, low priceization, simultaneously because the nesa coating be most widely used at present is prepared on the hard material such as glass, pottery, flexible application can not be used for, the factors such as the essential problem such as electric conductivity and transmittance not easily overcomes, limit the application of nesa coating.On the other sidely be, flexible transparent conductive film prepared by organic flexible base material, not only has identical electrically conducting transparent characteristic, and has many particular advantages, as flexible, not easily fragmentation, lightweight, can volume to volume mode continuous seepage, improve production efficiency, be convenient to transport.Along with electron device and electronic product are towards lighting future development, flexible transparent conductive film replaces hard transparent conductive film at last.
Nearly ten years, many panel vendors begin one's study the substitute of ITO one after another, comprise the materials such as nano-silver thread, metal grill, CNT, conducting polymer and Graphene.New material technology application can extend to the equipment of more than 20 inches from conventional panel size one tunnel of smart mobile phone, and its resistance, extensibility, bendability are all better than ito thin film.Although new material technology cannot replace ito thin film at short notice comprehensively, new material technology has huge advantage, and market reaction, the proportion shared by film product that application new material technology is produced is improving year by year.At present, Graphene is still in development, and distance volume production also has far distance.CNT and conducting polymer industrial volume production technology not yet perfect, its film product electric conductivity made can't reach the level of common ito thin film.Thus, apply comprehensive evaluation from technical development and market, the two large leading roles that metal grill and nano-silver thread technology will be recent emerging touch technology.But the technological level that metal grill (Metal Mesh) Technology Restriction makes in printing, need to adopt gold-tinted making technology, cost of manufacture can significantly increase, and can waste starting material; Meticulous metal live width easily ruptures when external force extrudes, and the resistance of grid raises, and proposes higher sensitivity requirement to the control IC chip in downstream; The metal live width of the touch control sensor pattern obtained by it is comparatively thick, is usually greater than 5 μm, the unauspicious interference ripple that can cause (being usually greater than 200ppi) like this under high pixel clearly, the interference wave pattern that there will be.By comparison comparatively, nano-silver thread (SNW, silver nanowire) technology spreads upon on plastic cement or glass substrate by nano-silver thread ink material, then utilize laser light lithography, portray the transparent conductive film made and there is Nano grade silver line conductive network pattern.Make physical mechanism because it is special, the diameter of the live width of nano-silver thread is very little, is about 50nm, much smaller than 1um, thus there is not the problem of unauspicious interference, can be applied on the display screen of various sizes.In addition, because live width is less, the film that the conductive film that silver-colored line technology is made is made compared to metal grill technology can reach higher transmittance, and the film product that such as 3M company adopts micro-coining method to make can reach 89% transmittance.Again, nano-silver thread film has less bending radius compared to metal grill film, and resistance change rate is less when bending, is applied in the equipment with curved-surface display, such as intelligent watch, time on bracelet etc., has more advantage.Therefore, Integrated comparative, nano-silver thread technology than metal grill technology advantageously.With regard to existing market, also differentiate Liang great technology camp.The company that metal current gridding technique camp then adds is more, such as Soviet Union's large dimension lattice and Ou Feiguang, and Korea S three magnitude has engineering participation and manufacture.Wherein in nano-silver thread camp, Taiwan TPK company of panel supplier is the manufacturer of leading nano-silver thread technology, and in conjunction with the CambriosTechnologies company of nanometer silver wire material supplier of upstream, and whole family company is set up in the description of Japan of production technology company, be absorbed in the research and development of expanding nano-silver thread technology, application and manufacture, estimate will produce in batches in the near future.
Utility model content
For overcoming the deficiencies in the prior art, the purpose of this utility model is to provide a kind of and scratch resistantly anti-ly hazes, the high grade of transparency, resistance to bending, the cheap for manufacturing cost double-layer capacitance type touch-screen transparent conductive film group based on nano-silver thread being applicable to large scale touch-screen.
For achieving the above object, the utility model is achieved through the following technical solutions:
Based on a double-layer capacitance type touch-screen transparent conductive film group for nano-silver thread, be provided with anti-scratch anti-fog layer, the first optics pet layer, OCA optical cement layer, the first nano-silver thread conductive layer, the second optics pet layer and the second nano-silver thread conductive layer from top to bottom successively.
Preferably, the described double-layer capacitance type touch-screen transparent conductive film group based on nano-silver thread, the edge of described first nano-silver thread conductive layer and the second nano-silver thread conductive layer is provided with conductive silver paste electrode, and the width of described conductive silver paste electrode is 0.1 ~ 0.3mm.
Preferably, the described double-layer capacitance type touch-screen transparent conductive film group based on nano-silver thread, the thickness of described first optics pet layer and the second optics pet layer is 100 μm.
Preferably, the described double-layer capacitance type touch-screen transparent conductive film group based on nano-silver thread, the thickness of described first nano-silver thread conductive layer and the second nano-silver thread conductive layer is 0.1 ~ 0.3 μm.
Preferably, the described double-layer capacitance type touch-screen transparent conductive film group based on nano-silver thread, the thickness of described OCA optical cement layer is 25 μm.
Preferably, the described double-layer capacitance type touch-screen transparent conductive film group based on nano-silver thread, described anti-scratch anti-fog layer is fluorine resin coating, and its thickness is 3 ~ 5 μm.
The beneficial effects of the utility model are: 1) compared to ITO, adopt nano-silver thread can reduce face resistance, can be used for large scale touch-screen; 2) nano-silver thread is adopted effectively can to improve the resistance to bending ability of conductive film; 3) ITO scarcity of resources, adopts nano-silver thread cheap for manufacturing cost, and does not need expensive magnetron sputtering apparatus; 4) on optics PET, add fluorine resin coating, drastically increase the anti-scratch anti misting capability of conductive film; 5) using OCA optical cement as the cementing agent of nano-silver thread conductive layer and optics PET, both enhanced cohesive action power between layers, do not affected again the transparency of conductive film entirety.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of double-layer capacitance type touch-screen transparent conductive film group based on nano-silver thread of the present utility model.
Fig. 2 is a kind of schematic diagram based on nano-silver thread conductive layer and conductive silver paste electrode in the double-layer capacitance type touch-screen transparent conductive film group of nano-silver thread of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail, can implements according to this with reference to instructions word to make those skilled in the art.
As depicted in figs. 1 and 2, should be based on the structure of the double-layer capacitance type touch-screen transparent conductive film group of nano-silver thread: be provided with anti-scratch anti-fog layer 1, first optics pet layer 2, OCA optical cement layer 3, first nano-silver thread conductive layer 4, second optics pet layer 5 and the second nano-silver thread conductive layer 6 from top to bottom successively; The edge of the first nano-silver thread conductive layer 4 and the second nano-silver thread conductive layer 6 is provided with conductive silver paste electrode 7, and the width of conductive silver paste electrode is 0.1 ~ 0.3mm, and thickness is identical with nano-silver thread conductive layer.Wherein, the second optics pet layer 5 plays the effect of separation layer, and anti-scratch anti-fog layer plays protective seam.
The thickness of the first optics pet layer 2 and the second optics pet layer 5 is 100 μm, the thickness of the first nano-silver thread conductive layer and the second nano-silver thread conductive layer is 0.1 ~ 0.3 μm, if the thickness of nano-silver thread conductive layer is less than 0.1 μm, then its conductive capability is affected, and serviceable life shortens greatly; If nano-silver conductive layer thickness is greater than 0.3 μm, though are improved in conductive capability and serviceable life, conductive layer increases due to thickness, and transparency declines to some extent, and after Long-Time Service, conductive layer is easy to crack comes off.Tack coat is preferably OCA optical cement, and its thickness is 25 μm, if the thickness of OCA optical cement is less than 25 μm, then cohesive force reduces; If the thickness of OCA optical cement is greater than 25 μm, then transparency decreases, and manufacturing cost slightly raises.Anti-scratch anti-fog layer is fluorine resin coating, and its thickness is 3 ~ 5 μm, and fluorine resin coating is expensive, stable chemical nature, wear-resisting and waterproof vapour, if this coating thickness is less than 3 μm, can affect its anti-scratching wearproof and anti misting capability; If this coating thickness is greater than 5 μm, the transparency of conductive film can be had a strong impact on, and the manufacturing cost of this product can be increased.Transparency >=88% after this formed product.
Although embodiment of the present utility model is open as above, but it is not restricted to listed in instructions and embodiment utilization, it can be applied to various applicable field of the present utility model completely, for those skilled in the art, can easily realize other amendment, therefore do not deviating under the universal that claim and equivalency range limit, the utility model is not limited to specific details and illustrates here and the legend described.
Claims (6)
1. the double-layer capacitance type touch-screen transparent conductive film group based on nano-silver thread, it is characterized in that, be provided with anti-scratch anti-fog layer, the first optics pet layer, OCA optical cement layer, the first nano-silver thread conductive layer, the second optics pet layer and the second nano-silver thread conductive layer from top to bottom successively.
2. as claimed in claim 1 based on the double-layer capacitance type touch-screen transparent conductive film group of nano-silver thread, it is characterized in that, the edge of described first nano-silver thread conductive layer and the second nano-silver thread conductive layer is provided with conductive silver paste electrode, and the width of described conductive silver paste electrode is 0.1 ~ 0.3mm.
3., as claimed in claim 1 based on the double-layer capacitance type touch-screen transparent conductive film group of nano-silver thread, it is characterized in that, the thickness of described first optics pet layer and the second optics pet layer is 100 μm.
4., as claimed in claim 1 based on the double-layer capacitance type touch-screen transparent conductive film group of nano-silver thread, it is characterized in that, the thickness of described first nano-silver thread conductive layer and the second nano-silver thread conductive layer is 0.1 ~ 0.3 μm.
5., as claimed in claim 1 based on the double-layer capacitance type touch-screen transparent conductive film group of nano-silver thread, it is characterized in that, the thickness of described OCA optical cement layer is 25 μm.
6., as claimed in claim 1 based on the double-layer capacitance type touch-screen transparent conductive film group of nano-silver thread, it is characterized in that, described anti-scratch anti-fog layer is fluorine resin coating, and its thickness is 3 ~ 5 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420371903.6U CN204028877U (en) | 2014-07-07 | 2014-07-07 | A kind of double-layer capacitance type touch-screen transparent conductive film group based on nano-silver thread |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420371903.6U CN204028877U (en) | 2014-07-07 | 2014-07-07 | A kind of double-layer capacitance type touch-screen transparent conductive film group based on nano-silver thread |
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| CN204028877U true CN204028877U (en) | 2014-12-17 |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105487709A (en) * | 2015-11-27 | 2016-04-13 | 深圳市骏达光电股份有限公司 | Touch screen and manufacturing method therefor |
| TWI559207B (en) * | 2015-07-24 | 2016-11-21 | 宸鴻光電科技股份有限公司 | Touch display panel and manufacturing method thereof |
| CN106313835A (en) * | 2016-10-13 | 2017-01-11 | 衡山县佳诚新材料有限公司 | Flexible electronic display cover plate |
| CN106444994A (en) * | 2016-11-11 | 2017-02-22 | 厦门祐尼三的新材料科技有限公司 | 3D cover plate integrated with full screen fingerprint identification and preparation method thereof |
| CN106547407A (en) * | 2016-11-08 | 2017-03-29 | 武汉华星光电技术有限公司 | Bent flexible touch screen and flexible touch display screen |
| CN106653140A (en) * | 2016-09-30 | 2017-05-10 | 天津宝兴威科技有限公司 | Novel transparent conductive thin film based on silver nanowires |
| CN107066157A (en) * | 2017-03-10 | 2017-08-18 | 深圳唯科技股份有限公司 | Large size capacitive touch screen and its process of flexible production |
| CN107102774A (en) * | 2017-05-04 | 2017-08-29 | 重庆市大渃科技有限公司 | Novel capacitance type touch screen and its production method |
| WO2017156879A1 (en) * | 2016-03-16 | 2017-09-21 | 意力(广州)电子科技有限公司 | Capacitor and capacitive touch screen comprising same |
| CN108228016A (en) * | 2018-02-09 | 2018-06-29 | 江西蓝沛泰和新材料有限公司 | A kind of full bonding structure of large size capacitive touch screen |
| CN110058740A (en) * | 2019-04-29 | 2019-07-26 | 姹ゆ旦 | A kind of nano silver touch control device and its touch control method |
| TWI679308B (en) * | 2015-01-05 | 2019-12-11 | 南韓商東友精細化工有限公司 | Etching solution composition for silver and display substrate using the same |
-
2014
- 2014-07-07 CN CN201420371903.6U patent/CN204028877U/en not_active Expired - Lifetime
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI679308B (en) * | 2015-01-05 | 2019-12-11 | 南韓商東友精細化工有限公司 | Etching solution composition for silver and display substrate using the same |
| TWI559207B (en) * | 2015-07-24 | 2016-11-21 | 宸鴻光電科技股份有限公司 | Touch display panel and manufacturing method thereof |
| CN105487709A (en) * | 2015-11-27 | 2016-04-13 | 深圳市骏达光电股份有限公司 | Touch screen and manufacturing method therefor |
| WO2017156879A1 (en) * | 2016-03-16 | 2017-09-21 | 意力(广州)电子科技有限公司 | Capacitor and capacitive touch screen comprising same |
| CN106653140A (en) * | 2016-09-30 | 2017-05-10 | 天津宝兴威科技有限公司 | Novel transparent conductive thin film based on silver nanowires |
| CN106313835A (en) * | 2016-10-13 | 2017-01-11 | 衡山县佳诚新材料有限公司 | Flexible electronic display cover plate |
| WO2018086200A1 (en) * | 2016-11-08 | 2018-05-17 | 武汉华星光电技术有限公司 | Bendable flexible touch screen and flexible touch display screen |
| CN106547407A (en) * | 2016-11-08 | 2017-03-29 | 武汉华星光电技术有限公司 | Bent flexible touch screen and flexible touch display screen |
| US10303312B2 (en) * | 2016-11-08 | 2019-05-28 | Wuhan China Star Optoelectronics Technology Co., Ltd. | Foldable flexible touch screen and flexible touch display panel |
| CN106444994A (en) * | 2016-11-11 | 2017-02-22 | 厦门祐尼三的新材料科技有限公司 | 3D cover plate integrated with full screen fingerprint identification and preparation method thereof |
| CN107066157A (en) * | 2017-03-10 | 2017-08-18 | 深圳唯科技股份有限公司 | Large size capacitive touch screen and its process of flexible production |
| CN107102774A (en) * | 2017-05-04 | 2017-08-29 | 重庆市大渃科技有限公司 | Novel capacitance type touch screen and its production method |
| CN108228016A (en) * | 2018-02-09 | 2018-06-29 | 江西蓝沛泰和新材料有限公司 | A kind of full bonding structure of large size capacitive touch screen |
| CN110058740A (en) * | 2019-04-29 | 2019-07-26 | 姹ゆ旦 | A kind of nano silver touch control device and its touch control method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 223900 Sihong Province Economic Development Zone, Suqian, West Ocean West Road, No. 6 Patentee after: JIANGSU SIDIKE NEW MATERIALS SIENCE & TECHNOLOGY Co.,Ltd. Address before: 215400 Taicang Economic Development Zone, Jiangsu, Qingdao West Road, No. 11, No. Patentee before: SUZHOU SIDIKE NEW MATERIALS SIENCE & TECHNOLOGY Co.,Ltd. |
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| CP03 | Change of name, title or address | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141217 |
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| CX01 | Expiry of patent term |