CN101452138A - Pure plane touch screen device and method for manufacturing same - Google Patents
Pure plane touch screen device and method for manufacturing same Download PDFInfo
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- CN101452138A CN101452138A CNA2008102198702A CN200810219870A CN101452138A CN 101452138 A CN101452138 A CN 101452138A CN A2008102198702 A CNA2008102198702 A CN A2008102198702A CN 200810219870 A CN200810219870 A CN 200810219870A CN 101452138 A CN101452138 A CN 101452138A
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Abstract
The present invention discloses a pure flat touch screen device and a manufacturing method thereof, wherein the pure flat touch screen device comprises a pure flat touch panel, a film, a supporting plate, an interface thread and two-side adhesive. The substrate of film is provided with a transparent conductive film which is directly formed. The pure flat touch panel is adhered with the external surface of film. The two-side adhesive is adhered on the external surface of supporting plate and is used for adhering with the liquid crystal display. The transparent conductive film of supporting plate is directly formed on the inner surface of supporting plate. The film and the transparent conductive film in the supporting plate are adhered on opposite plane and the interface thread is installed for forming the touch screen body. The supporting plate of the product according to the invention is formed through forming the transparent conductive film on a plastic substrate. The lower film and optical adhesive are reduced. The thickness of lower material is almost same to the thickness of substrate. The thickness of product is smaller than that of the product in the prior art. The purchase and management are facilitated.
Description
Technical field
The present invention relates to a kind of touch screen device and manufacture method thereof, relate in particular to a kind of pure plane touch screen device and manufacture method thereof.
Background technology
Since doctor Hurst in 1974 has designed the first item transparent touch screen, touch-screen with provide bluntly, man-machine dialog interface and obtained fast development efficiently.Recently, the pure flat formula touch-screen that is used for the mobile phone surface is especially because its outer field pure flat touch panel can be directly as the casing in mobile phone front, and the advantage that makes thickness be able to attenuate is attracting more and more people's attention.Because the resistive touch screen development time is longer, technology is ripe, and therefore pure plane touch screen in the market remains based on resistance-type.The structure of pure flat formula touch-screen mainly is divided into three parts, is respectively from top to bottom: can be used as the pure flat touch pad of part casing, upper layer of material, subsurface material.Upper layer of material and subsurface material fit together by frame glue and make the resistive touch screen body, fit together by optical cement and pure flat touch pad then and make pure plane touch screen.
Make at present in the method for resistance-type pure plane touch screen, the nesa coating film forming is on plastic film substrate, and plastic sheeting fits together by optical cement and the plastic base or the hardened glass substrate that play the back up pad effect again.This method is the popular way of present pure plane touch screen.Its product configurations as shown in Figure 1, nesa coating 1-4 film forming is on plastic film substrate 1-3, nesa coating 1-6 film forming constitutes the upper strata film and lower floor's film respectively on plastic film substrate 1-7; Silk-screen insulating cell 1-13, silver slurry and insulating oil constitute upper layer of material and subsurface material on the electrically conducting transparent face of the upper strata film and lower floor's film, and the two is bonded into one by frame glue; Thereby plastic base or hardened glass substrate 1-9 are by the bonding formation of the v plastic film substrate 1-7 touch screen body of optical cement 1-8 and subsurface material.The plastic film substrate 1-3 of touch screen body constitutes pure plane touch screen by optical cement 1-2 and pure flat touch pad 1-1.Pure plane touch screen is fitted by common two-sided sticking 1-10 and LCD 1-11, and installs the assembling that finished product machine shell 1-12 can realize pure plane touch screen and LCD.
The material variety that the shortcoming of this method for making relates to is more, and subsurface material comprises lower floor's film, optical cement and substrate, and thickness is thicker; Flow process is complicated, altogether need be through twice optical cement bonding process, and also optical cement abutted equipment and attaching process cause the fraction defective of product higher easily.
Summary of the invention
First purpose of the present invention provides a kind of pure plane touch screen device, and it is simple in structure, sensitivity and reliability height.
Second purpose of the present invention provides a kind of method for making of making above-mentioned pure plane touch screen device.
First purpose of the present invention realizes by following technical measures: a kind of pure plane touch screen device, and it comprises pure flat touch pad, the film, back up pad, interface line and tacky on two sides; The nesa coating that has direct film forming on the base material of the described film; Pure flat touch pad and film outside surface are bonding, tacky on two sides places the back up pad outside surface, be used for fitting with LCD, it is characterized in that: also directly film forming is on the back up pad inside surface for the nesa coating of back up pad, and the electrically conducting transparent face in the film, the back up pad is bonding relatively and interface line is set constitutes touch screen body.
The silk-screen silver slurry layer and the silk-screen insulation oil reservoir that have curing on the electrically conducting transparent face of the described film successively.Have silk-screen insulation liner layer, silk-screen silver slurry layer and silk-screen insulation oil reservoir on the electrically conducting transparent face of described back up pad successively.
Its thickness of the described film is 0.188mm or 0.125mm; Described back up pad thickness 0.3～3.0mm.The base material of described back up pad is plastic base or hardened glass substrate.
The mode that described nesa coating can be by the low temperature magnetic sputtering plated film or the mode of masking liquid method with the nesa coating film forming on plastic base.
The described pure flat touch pad and the film are bonding by optical cement, and the thickness of this optical cement is 0.01～0.2mm.Described pure flat touch pad is ethylene glycol terephthalate (PET) film of handling through surface hardening, and its surperficial hardness is at least 2H.
The material that described plastic base adopted comprises potpourri, PET (polyethylene terephthalate) of PC (polycarbonate), PMMA (polymethylmethacrylate), PC and PMMA etc.
Described nesa coating is tin indium oxide (ITO) or indium zinc oxide (IZO).
Second purpose of the present invention is achieved through the following technical solutions: make the method for making of above-mentioned pure plane touch screen device, it may further comprise the steps:
(1) pattern-making and effect on pure flat touch pad, this pattern will embody information such as finished product design of shell theory, trade mark, and effects such as the housing pattern of different colours or metallic luster are generally arranged; Optical cement is added on its inside surface;
(2) film is handled;
(3) back up pad is handled;
(4) inside surface of the back up pad that making finishes in the film that making in the step (2) is finished and the step (3) is staggered relatively, and pressing mode entirely fits together both by heating;
(5) nation goes up interface line surely, promptly makes touch screen body;
(6) pure flat touch pad and touch screen body are fit together and make pure plane touch screen device;
The detailed process that described step (2) film is handled is: the direct film forming of nesa coating is on base material, subsequently to carrying out preliminary drying, and the mode by photoetching or laser does the mode of carving and makes corresponding upper electrode pattern, then at electrically conducting transparent face silk-screen silver slurry, silk-screen insulating oil and silk-screen frame glue and solidify respectively and form the film.
The detailed process that described step (3) back up pad is handled is: the direct film forming of nesa coating is on plastic base, mode or the dried mode of carving of laser by photoetching made the lower electrode pattern on plastic base subsequently, then at electrically conducting transparent face silk-screen insulating cell, again silk-screen silver slurry and insulating oil and respectively curing form back up pad.
In the described step (3) nesa coating by the low temperature magnetic sputtering plated film mode or the mode film forming of masking liquid method on plastic base.
The present invention compared with prior art has following beneficial effect:
(1) by with the direct film forming of nesa coating on plastic base as back up pad, improved the product shock resistance, the reliability height.
(2) back up pad of product of the present invention is made of on plastic base the nesa coating film forming, has reduced lower floor's film and optical cement, makes the thickness of subsurface material be almost the thickness of substrate, and product thickness product more of the prior art thin is convenient to buying and management.
(3) method for making of the present invention has been saved the operation of an optical cement applying, makes one times of improving productivity; Also reduced simultaneously the fraction defective of product, improved yields, also saved corresponding artificial.
Description of drawings
Fig. 1 is the touch-screen longitudinal section cut-open view of nesa coating of the prior art and substrate separating type;
Fig. 2 is the longitudinal section cut-open view of pure plane touch screen provided by the invention;
Fig. 3 is the front view of pure plane touch screen provided by the invention.
Embodiment
Below in conjunction with embodiment and accompanying drawing the present invention is set forth, but protection domain of the present invention is not only to be confined to this, the those of ordinary skill of described technical field all can be realized purpose of the present invention according to content disclosed by the invention.
Fig. 2 is the pure plane touch screen longitudinal section cut-open view that the present invention mentions, wherein, 2-1 is pure flat touch pad, material adopts ethylene glycol terephthalate (abbreviating PET as) film, and carry out cure process at the outside surface of this film, and make its surperficial hardness reach 3H, thickness is 0.188 millimeter; 2-2 is an optical cement, and thickness is 0.05 millimeter; 2-3 is a plastic film substrate, and this example adopts light face PET film, and thickness is 0.188 millimeter; 2-4 is a nesa coating, and this example adopts tin indium oxide (ITO) material, and ITO passes through the mode film forming of low temperature magnetic sputtering on the PET base material; 2-5 is a frame glue, and silver slurry and insulating oil that its overlay area comprises are not shown; 2-6 is a nesa coating, and this example adopts tin indium oxide (ITO) material; 2-7 is a plastic base, and this example adopts polycarbonate (PC) material of 1.0 millimeters thickness, ITO with the direct film forming of the mode of low temperature magnetic sputtering on the PC substrate; 2-8 is common two-sided sticking; 2-9 is the LCD below the pure plane touch screen; 2-10 is a product machine shell; 2-11 is an insulating cell.Fig. 3 is the front elevation of pure plane touch screen, and wherein, but 3-1 is the touch-screen operational zone; 3-2 is the pattern effect district on the pure flat touch pad; 3-3 is an interface line.Pure flat touch pad 2-1 and upper layer of material base material are fitted to be integral and are constituted pure plane touch screen the stripping film of two-sided subsides is torn applying LCD 2-9, are assembled to then on the casing 2-10 promptly to have can be assembled into the product machine.
The method for making of above-mentioned pure plane touch screen, this method may further comprise the steps:
(1) on pure flat touch pad 2-1 according to client's pattern demand ink for screen printing, shape is added in optical cement 2-2 on the pure flat touch pad 2-1 inside surface by abutted equipment then with the 3-2 zone among Fig. 3;
(2) nesa coating 2-4 constitutes the upper strata film by the direct film forming of mode of low temperature magnetic sputtering on PET base material 2-3, subsequently the upper strata film is carried out preliminary drying, do to carve machine engraving system upper electrode pattern with laser then, then electrically conducting transparent face silk-screen silver slurry, silk-screen insulating oil and silk-screen frame glue and respectively curing form upper layer of material;
(3) nesa coating 2-6 passes through the direct film forming of mode of low temperature magnetic sputtering on PC substrate 2-7, adopt laser mechanism at dried quarter to make the lower electrode pattern then, silk-screen insulating cell 2-11 and curing then, silk-screen silver slurry and insulating oil also solidify respectively again, obtain subsurface material;
(4) upper layer of material and subsurface material are fitted, cut into simple grain;
(5) interface line in the binding is promptly made touch screen body;
(6) will have the pure flat touch pad 2-1 of optical cement 2-2 and touch screen body fits together and makes pure plane touch screen device.
Nesa coating 6 in the subsurface material in the foregoing description can adopt indium zinc oxide (IZO), or other have the material of equivalent function.
As can be seen from the above embodiments, employing with nesa coating in the mode film forming of low temperature magnetic sputtering mode on plastic base as back up pad, compare with at present popular method for making, two kinds of materials of lower floor's film and optical cement have not only been saved, reduced thickness, also saved lower floor's film has been fitted to this procedure on the substrate, improved yields, economized artificial.
Claims (9)
1, a kind of pure plane touch screen device, it comprises pure flat touch pad, the film, frame glue, back up pad, interface line and tacky on two sides; The nesa coating that has direct film forming on the described film base material; Pure flat touch pad and film base material outside surface are bonding, tacky on two sides places the back up pad outside surface, be used for fitting with LCD, it is characterized in that: the also direct film forming of the nesa coating of back up pad is on the base material of back up pad, electrically conducting transparent face on the film, the back up pad is staggered relatively, and bonding and interface line is set constitutes touch screen body by frame glue.
2, pure plane touch screen device according to claim 1 is characterized in that: the base material of described back up pad is a plastic base; Described nesa coating is tin indium oxide or indium zinc oxide.
3, pure plane touch screen device according to claim 2 is characterized in that: described nesa coating by the low temperature magnetic sputtering plated film mode or the mode of masking liquid method with the nesa coating film forming on plastic base
4, pure plane touch screen device according to claim 3 is characterized in that: the material that described plastic base adopted comprises the potpourri or the polyethylene terephthalate of polycarbonate, polymethylmethacrylate, polycarbonate and polymethylmethacrylate.
5, according to claim 1 or 2 or 3 or 4 described pure plane touch screen devices, it is characterized in that: described back up pad thickness 0.3～3.0mm.
6, pure plane touch screen device according to claim 1 is characterized in that: described pure flat touch pad and film base material are bonding by optical cement, and the thickness of this optical cement is 0.01～0.2mm.
7, pure plane touch screen device according to claim 6 is characterized in that: ethylene glycol terephthalate (PET) film of described pure flat touch pad for handling through surface hardening, its surperficial hardness is at least 2H.
8, a kind of method for making of making the pure plane touch screen device of claim 1, it may further comprise the steps:
(1) pattern-making and effect on pure flat touch pad are added in optical cement on its inside surface;
(2) film is handled;
(3) back up pad is handled;
(4) inside surface of the back up pad that making finishes in the film that making in the step (2) is finished and the step (3) is staggered relatively, and pressing mode entirely fits together both by heating;
(5) nation goes up interface line surely, promptly makes touch screen body;
(6) pure flat touch pad and touch screen body are fit together and make pure plane touch screen device;
It is characterized in that: the detailed process that described step (2) film is handled is: the direct film forming of nesa coating is on base material, subsequently to carrying out preliminary drying, and the mode by photoetching or laser does the mode of carving and makes corresponding upper electrode pattern, then at electrically conducting transparent face silk-screen silver slurry, silk-screen insulating oil and silk-screen frame glue and solidify respectively and form the film;
The detailed process that described step (3) back up pad is handled is: the direct film forming of nesa coating is on plastic base, mode or the dried mode of carving of laser by photoetching made the lower electrode pattern on plastic base subsequently, then at electrically conducting transparent face silk-screen insulating cell, again silk-screen silver slurry and insulating oil and respectively curing form back up pad.
9, the method for making of pure plane touch screen device according to claim 8 is characterized in that: in the described step (3) nesa coating by the low temperature magnetic sputtering plated film mode or the mode film forming of masking liquid method on plastic base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008102198702A CN101452138A (en) | 2008-12-11 | 2008-12-11 | Pure plane touch screen device and method for manufacturing same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008102198702A CN101452138A (en) | 2008-12-11 | 2008-12-11 | Pure plane touch screen device and method for manufacturing same |
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| CN101452138A true CN101452138A (en) | 2009-06-10 |
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| CNA2008102198702A Pending CN101452138A (en) | 2008-12-11 | 2008-12-11 | Pure plane touch screen device and method for manufacturing same |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101987398A (en) * | 2009-08-07 | 2011-03-23 | 希姆通信息技术（上海）有限公司 | Overall laser cutting processing method of touch screen panel |
| CN102541340A (en) * | 2010-12-15 | 2012-07-04 | 宏碁股份有限公司 | Touch display structure and manufacturing method thereof |
| CN102662541A (en) * | 2012-03-19 | 2012-09-12 | 意力(广州)电子科技有限公司 | Capacitive touch screen |
| CN102855827A (en) * | 2012-09-26 | 2013-01-02 | 华东师范大学 | Transparent display screen and manufacture method thereof |
| CN102855966A (en) * | 2012-09-24 | 2013-01-02 | 深圳市中显微电子有限公司 | Impedance controlling device and method for silver pulp line |
| CN103310904A (en) * | 2012-03-14 | 2013-09-18 | 深圳欧菲光科技股份有限公司 | Preparation method for ITO (Indium Tin Oxide) electrode and ITO electrode prepared by adopting method |
| CN104142764A (en) * | 2013-05-07 | 2014-11-12 | 贵州达沃斯光电有限公司 | Method for manufacturing capacitive touch screen |
| CN106864111A (en) * | 2017-02-14 | 2017-06-20 | 江苏秀强玻璃工艺股份有限公司 | A kind of glass board and preparation method thereof |
| CN113437504A (en) * | 2021-06-21 | 2021-09-24 | 中国科学院重庆绿色智能技术研究院 | Transparent antenna preparation method based on film photoetching process and transparent antenna |
-
2008
- 2008-12-11 CN CNA2008102198702A patent/CN101452138A/en active Pending
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101987398A (en) * | 2009-08-07 | 2011-03-23 | 希姆通信息技术（上海）有限公司 | Overall laser cutting processing method of touch screen panel |
| CN102541340A (en) * | 2010-12-15 | 2012-07-04 | 宏碁股份有限公司 | Touch display structure and manufacturing method thereof |
| CN103310904A (en) * | 2012-03-14 | 2013-09-18 | 深圳欧菲光科技股份有限公司 | Preparation method for ITO (Indium Tin Oxide) electrode and ITO electrode prepared by adopting method |
| CN103310904B (en) * | 2012-03-14 | 2016-04-13 | 深圳欧菲光科技股份有限公司 | The preparation method of ITO electrode and the ITO electrode of employing prepared by the method |
| CN102662541A (en) * | 2012-03-19 | 2012-09-12 | 意力(广州)电子科技有限公司 | Capacitive touch screen |
| CN102855966B (en) * | 2012-09-24 | 2015-05-20 | 深圳市中显微电子有限公司 | Impedance controlling device and method for silver pulp line |
| CN102855966A (en) * | 2012-09-24 | 2013-01-02 | 深圳市中显微电子有限公司 | Impedance controlling device and method for silver pulp line |
| CN102855827A (en) * | 2012-09-26 | 2013-01-02 | 华东师范大学 | Transparent display screen and manufacture method thereof |
| CN102855827B (en) * | 2012-09-26 | 2015-10-28 | 华东师范大学 | A kind of transparent display screen and preparation method thereof |
| CN104142764A (en) * | 2013-05-07 | 2014-11-12 | 贵州达沃斯光电有限公司 | Method for manufacturing capacitive touch screen |
| CN106864111A (en) * | 2017-02-14 | 2017-06-20 | 江苏秀强玻璃工艺股份有限公司 | A kind of glass board and preparation method thereof |
| CN106864111B (en) * | 2017-02-14 | 2018-08-03 | 江苏秀强玻璃工艺股份有限公司 | A kind of glass board and preparation method thereof |
| CN113437504A (en) * | 2021-06-21 | 2021-09-24 | 中国科学院重庆绿色智能技术研究院 | Transparent antenna preparation method based on film photoetching process and transparent antenna |
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Open date: 20090610 |