CN102004595A - Single-surface conducting film for projection-type capacitor touch panel - Google Patents
Single-surface conducting film for projection-type capacitor touch panel Download PDFInfo
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- CN102004595A CN102004595A CN 201010556212 CN201010556212A CN102004595A CN 102004595 A CN102004595 A CN 102004595A CN 201010556212 CN201010556212 CN 201010556212 CN 201010556212 A CN201010556212 A CN 201010556212A CN 102004595 A CN102004595 A CN 102004595A
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Abstract
The invention relates to a single-surface conducting film for a projection-type capacitor touch panel. A surface modification layer is coated on the front surface of a polyethylene terephthalate (PET) membrane, an anti-reflection layer is arranged on the surface modification layer, the anti-reflection layer is formed by two transparent layers with different refractive indexes, an etching transparent conducting layer is sputtered on the anti-reflection layer, and hardening coating is coated on the back surface of the PET membrane. The anti-reflection layer is formed by two transparent layers with different refractive indexes, light rays has the effect of partial penetrating and partial reflecting when passing through the anti-reflection layer with different refractive indexes, wave forms of the reflecting light form destructive interference, and the reflecting light of external environment is eliminated; nanometer indium-tin metallic oxide is sputtered on the etching transparent conducting layer in a vacuum sputtering mode, etching liquid is used for carrying out graph etching on the transparent conducting layer, so as to form graphs needed by a projection-type capacitive touch panel; and the conducting film for the projection-type capacitor touch panel can be well applied to the projection-type capacitor touch panel.
Description
Technical field
The present invention relates to a kind of projecting type capacitor contact panel single face conducting film.
Background technology
According to prediction in the up-to-date 2010 contact panel market shipment forecast analysis reports of delivering of the global plane Display Search of display industry research institution, the shipment amount of projected capacitive touch panel will be grown up significantly, estimate that the projected capacitive touch panel shipment output value in 2010 will surmount the electric resistance touch-control panel shipment output value, become the main application technology of contact panel.Apple uses the projecting type capacitor technology widely on self product, and as iphone and the ipod that released in 2007, and the ipad that released in 2010 has obtained the good market response.
So-called projecting type capacitor touch technology is caught interelectrode capacitance variations for seeing through, and carries out the position of touch detecting.Because knowing from experience, the people carries moisture, be outstanding conductor, therefore when the close electrode of human body, capacitance between finger and the electrode can increase, as long as it is big that investigate out the static capacity quantitative change of which bar line this moment, just can learn which has been put by touch-control, because this kind touch-control mechanism possesses multinomial advantage, also become the touch-control solution first-selection of present electronic product, relatedly cause supporting electrically conducting transparent membrane technology to be able to tremendous development.
Summary of the invention
The objective of the invention is to overcome the deficiency that prior art exists, a kind of projecting type capacitor contact panel conducting film is provided.
Purpose of the present invention is achieved through the following technical solutions:
Projecting type capacitor contact panel single face conducting film, base material is the PET film, and characteristics are: the front of described PET film scribbles surface reforming layer, and described surface reforming layer is provided with anti-reflecting layer, sputter has the etching transparency conducting layer on the described anti-reflecting layer, and the back side of described PET film scribbles hardening coat.
Further, above-mentioned projecting type capacitor contact panel single face conducting film is covered with the PE diaphragm on the described etching transparency conducting layer.
Further, above-mentioned projecting type capacitor contact panel single face conducting film, described hardening coat surface is covered with the PE diaphragm.
Again further, above-mentioned projecting type capacitor contact panel single face conducting film, described anti-reflecting layer is made up of two different hyaline layers of refractive index, and its surfaceness is less than 100nm.
The substantive distinguishing features of technical solution of the present invention and progressive being mainly reflected in:
Adopting the polyethylene terephtalate film is substrate, and under the prerequisite of giving the material high light transmittance, the possibility that provides compound substance to be processed into different structure is coated with the adhesion that surface reforming layer improves substrate and anti-reflecting layer on the PET film; Anti-reflecting layer is made up of two-layer hyaline layer with different refractivity, light is when having the anti-reflecting layer of different refractivity, can produce the effect of part penetrating component reflection, therefore catoptrical waveform can form destruction interference, eliminate the reflected light of external environment, reach the effect that improves picture display effect.The etching transparency conducting layer uses the mode sputter nano indium tin metal oxide of vacuum splashing and plating, with etching solution transparency conducting layer is carried out the figure etching then, forms the figure that the projected capacitive touch panel laying-out needs.This projecting type capacitor contact panel can be good at being applied on the projected capacitive touch panel with conducting film.
Description of drawings
Below in conjunction with accompanying drawing technical solution of the present invention is described further:
Fig. 1: schematic cross-section of the present invention;
The implication of each Reference numeral among the figure:
The 1-PET film, 2-surface reforming layer, 3-anti-reflecting layer, 4-etching transparency conducting layer, 5-PE diaphragm, 6-hardening coat, 7-PE diaphragm.
Embodiment
Develop a kind of projecting type capacitor contact panel conducting film at projected capacitive touch panel, as shown in Figure 1, base material is a polyethylene terephtalate film 1, the transmittance of PET film 1 is more than 90%, dielectric strength is 16.9KV/mm, but shielding of ultraviolet, gas and vapor permeability are low; The front of PET film 1 scribbles surface reforming layer 2, surface reforming layer 2 is provided with anti-reflecting layer 3, anti-reflecting layer is made up of two different hyaline layers of refractive index, its surfaceness is less than 100nm, sputter has etching transparency conducting layer 4 on the anti-reflecting layer 3, be covered with PE diaphragm 5 after 4 etchings of etching transparency conducting layer, the back side of PET film 5 scribbles hardening coat 6, skin hardness after hardening coat 6 sclerosis reaches more than the 3H/750g, transmittance＞90%, the hardening process of hardening coat 6 are to finish under the condition of illumination; Hardening coat 6 surfaces are covered with PE diaphragm 7.Wherein, surface reforming layer 2 and hardening coat 6 can be by any enforcements in roller coat or the spraying method; The material of etching transparency conducting layer 4 is nano indium tin metal oxide, wherein Ln
2O
3And Sn
2O
3Ratio be 9: 1; The etching solution that etching transparency conducting layer 4 is carried out figure etching use is the mixed liquor of oxalic acid and ferric chloride aqueous solutions, and the proportioning of its mesoxalic acid and ferric chloride aqueous solutions is 1: 1.
Adopting the polyethylene terephtalate film is substrate, and under the prerequisite of giving the material high light transmittance, the possibility that provides compound substance to be processed into different structure is coated with the adhesion that surface reforming layer 2 improves substrate and anti-reflecting layer 3 on PET film 1; Anti-reflecting layer 3 is made up of two-layer hyaline layer with different refractivity, light is when having the anti-reflecting layer of different refractivity, can produce the effect of part penetrating component reflection, therefore catoptrical waveform can form destruction interference, eliminate the reflected light of 98% above external environment, reach the effect that improves picture display effect.Etching transparency conducting layer 4 uses the mode sputter nano indium tin metal oxide of vacuum splashing and plating, with etching solution transparency conducting layer is carried out the figure etching then, forms the figure that the projected capacitive touch panel laying-out needs.Conductive layer of the present invention be directly on anti-reflecting layer the mode by vacuum splashing and plating form, saved and used optical cement to paste the step of conducting film, provide cost savings; Be coated with hardening coat 6 at substrate backside, improve surperficial scratch resistance and chemical resistance, prolonged the serviceable life of product greatly.This projecting type capacitor contact panel can be good at being applied on the projected capacitive touch panel with conducting film.
It is emphasized that: above only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, every foundation technical spirit of the present invention all still belongs in the scope of technical solution of the present invention any simple modification, equivalent variations and modification that above embodiment did.
Claims (4)
1. projecting type capacitor contact panel single face conducting film, base material is the PET film, it is characterized in that: the front of described PET film scribbles surface reforming layer, described surface reforming layer is provided with anti-reflecting layer, sputter has the etching transparency conducting layer on the described anti-reflecting layer, and the back side of described PET film scribbles hardening coat.
2. projecting type capacitor contact panel single face conducting film according to claim 1 is characterized in that: be covered with the PE diaphragm on the described etching transparency conducting layer.
3. projecting type capacitor contact panel single face conducting film according to claim 1 is characterized in that: described hardening coat surface is covered with the PE diaphragm.
4. projecting type capacitor contact panel single face conducting film according to claim 1 is characterized in that: described anti-reflecting layer is made up of two different hyaline layers of refractive index, and its surfaceness is less than 100nm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010556212 CN102004595A (en) | 2010-11-23 | 2010-11-23 | Single-surface conducting film for projection-type capacitor touch panel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010556212 CN102004595A (en) | 2010-11-23 | 2010-11-23 | Single-surface conducting film for projection-type capacitor touch panel |
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| CN102004595A true CN102004595A (en) | 2011-04-06 |
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| CN 201010556212 Pending CN102004595A (en) | 2010-11-23 | 2010-11-23 | Single-surface conducting film for projection-type capacitor touch panel |
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| CN103809802A (en) * | 2012-11-14 | 2014-05-21 | 三星显示有限公司 | Method Of Manufacturing Display Apparatus |
| CN103890700A (en) * | 2011-11-07 | 2014-06-25 | 王子控股株式会社 | Display device with capacitive touch panel, capacitive touch panel |
| WO2015010430A1 (en) * | 2013-07-23 | 2015-01-29 | 京东方科技集团股份有限公司 | Touch screen and manufacturing method thereof |
| CN106293243A (en) * | 2016-08-26 | 2017-01-04 | 深圳市比亚迪电子部品件有限公司 | A kind of touch-control display module and preparation method thereof |
| CN109491555A (en) * | 2019-01-16 | 2019-03-19 | 北京汉王鹏泰科技股份有限公司 | A kind of double touch-control sensing mould groups, double touch control display apparatus and method |
| CN109521910A (en) * | 2019-01-16 | 2019-03-26 | 北京汉王鹏泰科技股份有限公司 | Double mode touch control display apparatus and its implementation |
| CN112840243A (en) * | 2018-11-29 | 2021-05-25 | 日东电工株式会社 | Polarizing film with adhesive layer and image display device |
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Application publication date: 20110406 |