CN202838248U - Touch screen - Google Patents
Touch screen Download PDFInfo
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- CN202838248U CN202838248U CN 201220358997 CN201220358997U CN202838248U CN 202838248 U CN202838248 U CN 202838248U CN 201220358997 CN201220358997 CN 201220358997 CN 201220358997 U CN201220358997 U CN 201220358997U CN 202838248 U CN202838248 U CN 202838248U
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- touch
- screen
- glass
- bonding film
- touch screen
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Abstract
The utility model relates to the technical field of displays, and discloses a touch screen. The touch screen sequentially comprises a cover plate, a bonding film and conducting glass from top to bottom, wherein lines are arranged on the surface of the bonding film. According to the touch screen, certain lines are arranged on the surface of the bonding film, exhaust of air is benefited when the touch screen is attached, the bonding film reaches softening melting point and starts to carry out cross-linking reaction in the process of high temperature, the glass is bonded after cooled, reject ratio caused by production of bubbles is quite low, and therefore production efficiency of products can be improved.
Description
Technical field
The utility model relates to the display technology field, relates to a kind of touch-screen.
Background technology
The application of touch-screen is more and more extensive, its applying flow process is an important step of touch-screen production procedure, especially capacitance touch screen, wherein the applying between ITO electro-conductive glass and panel (ICON SHEET) or the glass cover-plate (Cover lens) is again key components of applying flow process, and the precision of its applying and outward appearance directly affect quality and the yield rate of product.Existing attaching process mainly divides two kinds: a kind of is that optical cement (OCA) is fitted, and a kind of is that glue is fitted (OCR), but existing attaching process exists:
1, easily produce bubble, especially the applying of large scale touch-screen glass is difficult to control, causes yield rate low;
2, equipment precision and complex structure, cost is high;
3, the cost of OCA and OCR is high;
4. also to carry out de-bubble technique after existing OCA technique is fitted, complex process and the hidden danger that exists bubble to rebound;
Control when 5, OCR technique is fitted uncured front glue overflow and clean very difficult, complicated operation.
Capacitance touch screen has become the main flow direction of present touch-screen, double-deck touch-screen glass gluing also is the final key operation of capacitance touch screen, the applying quality directly causes yield rate, and existing attaching process exists the bottleneck on the principle to be difficult to break through for the touch-screen of the size more than 7 inches, therefore is difficult to the applying requirement of applicable following large scale touch-screen glass.
The utility model content
The technical matters that (one) will solve
The technical problems to be solved in the utility model is: how a kind of touch-screen that can improve production efficient is provided.
(2) technical scheme
In order to solve the problems of the technologies described above, the utility model provides a kind of touch-screen, and described touch-screen comprises cover plate, bonding film and electro-conductive glass from top to bottom successively, and the surface of described bonding film is provided with lines.
Preferably, described bonding film is a kind of in ethylene-vinyl acetate copolymer, Polyurethane Thermoplastic Elastomer, Polyvinylchloride and the polyvinyl butyral.
Preferably, the thickness of described bonding film is 0.1-0.3mm.
Preferably, described electro-conductive glass comprises base plate glass and transparency conducting layer, and described base plate glass is positioned at the top of transparency conducting layer.
Preferably, described base plate glass is sodium silicate glass.
Preferably, the thickness of described base plate glass is 0.5 ~ 1.5mm.
Preferably, described transparency conducting layer is a kind of among ITO, AZO, the IZO.
Preferably, described cover plate is glass cover-plate.
(3) beneficial effect
Technique scheme has following advantage: in the touch-screen of the present utility model, the bonding film surface has certain lines, be beneficial to the eliminating of gas when touch-screen is fitted, bonding film reaches softening melting point and begins to produce cross-linking reaction in pyroprocess, carry out glass bonding after the cooling, the fraction defective that produces bubble is extremely low, therefore can improve production efficient.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the schematic diagram of the utility model embodiment when being positioned in the mould in manufacturing process;
Fig. 3 is the schematic diagram after the utility model embodiment fixes with high temperature gummed tape in manufacturing process all around.
Wherein, 1: electro-conductive glass; 1-1: base plate glass; 1-2: transparency conducting layer; 2: bonding film; 3: glass cover-plate; 4: high temperature gummed tape; 5: mould.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples are used for explanation the utility model, but are not used for limiting scope of the present utility model.
The utility model provides a kind of touch-screen, and described touch-screen comprises glass cover-plate 3, bonding film 2 and electro-conductive glass 1 from top to bottom successively.Described bonding film 2 is a kind of in ethylene-vinyl acetate copolymer, Polyurethane Thermoplastic Elastomer, Polyvinylchloride and the polyvinyl butyral.The thickness of described bonding film 2 is 0.1-0.3mm.Described electro-conductive glass 1 comprises base plate glass 1-1 and transparency conducting layer 1-2, and described base plate glass 1-1 is positioned at the top of transparency conducting layer 1-2.Described base plate glass 1-1 is sodium silicate glass.The thickness of described base plate glass 1-1 is 0.5 ~ 1.5mm.Described transparency conducting layer 1-2 is a kind of among ITO, AZO, the IZO.
In the touch-screen of the present utility model, bonding film does not heat front inviscid, the surface has certain lines and roughness, be beneficial to the eliminating of gas when fitting, bonding film reaches softening melting point and begins cross-linking reaction in pyroprocess, after the cooling with bonding glass, be specially adapted to the applying of large-size glass, the fraction defective that produces bubble is extremely low, and can simplify technique by the contraposition of mould, greatly enhances productivity.
Manufacturing process of the present utility model is as follows:
A. bonding film 2 is cut into the size of required applying;
B. check and clean bonding film 2, electro-conductive glass 1, glass cover-plate 3;
C. in mould 5 successively according to electro-conductive glass 1, bonding film 2, the order of glass cover-plate 3 is folded, and takes out after fixing with high temperature gummed tape 4 all around.
D. above-mentioned fixing duplexer is put into the silica gel bag of bleeding and seal, and then put the heating in vacuum still into.
E. be evacuated at normal temperatures 0.7～0.9atm, until vacuum is stable, the beginning heating that progressively heats up is raised to the surface temperature of electro-conductive glass 1 more than 100 ℃, and film 2 to be bonded melts fully, stops to vacuumize the cooling down duplexer.
F. from the heating in vacuum still, take out touch-screen, remove fixing high temperature gummed tape 4, namely finish the making of touch-screen.
Transparency conducting layer can be by acquisitions such as vacuum evaporation, sputtering method, ion plating method and cladding processes, finally by crossing etching or the gold-tinted processing procedure transparency conducting layer with functional graphic.
In the material of above-described bonding film 2, ethylene-vinyl acetate copolymer is called for short EVA, the EVA hot melt adhesive is a kind of solvent, polymkeric substance of water content, 100% solid meltability not of not needing, be solid at normal temperatures, heating and melting becomes the liquid adhesive that can flow and have certain viscosity to a certain extent, is light brown translucent body or this white after its melting.Polyurethane Thermoplastic Elastomer is called for short TPU, and TPU contains in the molecule-macromolecular material of NH-COD-group, and the dibasic alcohol of long-chain and isocyanate prepolymer composition have consisted of soft section, and the dibasic alcohol of short key and isocyanate prepolymer composition have consisted of hard section.Polyvinylchloride is called for short PVC, and true qualities are that little yellow is translucent, and are glossy, because the environmental hazard normal operation is less.Polyvinyl butyral is called for short PVB, is the condensation product of polyvinyl alcohol (PVA) and butyraldehyde, is solid under the normal temperature, is the transparency liquid bonding agent behind the hot melt.
Above-mentioned high temperature gummed tape 4 is heat-resisting quantity, and cull and solvent resistance are not generally selected the green high temperature gummed tape of PET, and this adhesive tape is take mylar as base material, and single face coating high performance organo-silicon pressure sensitive adhesive forms.
Mould 5 is in order to guarantee special touch-screen size and thickness and the custom-designed combined frame of structure of fitting as required of touch-screen glass aligning accuracy, generally to select the bakelite engraving to be made.
As can be seen from the above embodiments, in the touch-screen of the present utility model, the bonding film surface has certain lines, be beneficial to the eliminating of gas when touch-screen is fitted, bonding film reaches softening melting point and begins to produce cross-linking reaction in pyroprocess, after the cooling glass is carried out bondingly, the fraction defective that produces bubble is extremely low, therefore can improve production efficient.
The above only is preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model know-why; can also make some improvement and replacement, these improvement and replacement also should be considered as protection domain of the present utility model.
Claims (8)
1. a touch-screen is characterized in that, described touch-screen comprises cover plate, bonding film and electro-conductive glass from top to bottom successively, and the surface of described bonding film is provided with lines.
2. touch-screen as claimed in claim 1 is characterized in that, described bonding film is a kind of in ethylene-vinyl acetate copolymer, Polyurethane Thermoplastic Elastomer, Polyvinylchloride and the polyvinyl butyral.
3. touch-screen as claimed in claim 1 is characterized in that, the thickness of described bonding film is 0.1-0.3mm.
4. touch-screen as claimed in claim 1 is characterized in that, described electro-conductive glass comprises base plate glass and transparency conducting layer, and described base plate glass is positioned at the top of transparency conducting layer.
5. touch-screen as claimed in claim 4 is characterized in that, described base plate glass is sodium silicate glass.
6. touch-screen as claimed in claim 4 is characterized in that, the thickness of described base plate glass is 0.5 ~ 1.5mm.
7. touch-screen as claimed in claim 4 is characterized in that, described transparency conducting layer is a kind of among ITO, AZO, the IZO.
8. such as each described touch-screen in the claim 1 ~ 7, it is characterized in that, described cover plate is glass cover-plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220358997 CN202838248U (en) | 2012-07-23 | 2012-07-23 | Touch screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220358997 CN202838248U (en) | 2012-07-23 | 2012-07-23 | Touch screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202838248U true CN202838248U (en) | 2013-03-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220358997 Expired - Lifetime CN202838248U (en) | 2012-07-23 | 2012-07-23 | Touch screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202838248U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104049823A (en) * | 2014-06-25 | 2014-09-17 | 向火平 | High-strength projection-type capacitive screen and manufacturing method thereof |
| CN105630262A (en) * | 2015-12-21 | 2016-06-01 | 深圳市志凌伟业技术股份有限公司 | Sensing plate and touch glasses bonding method applicable in capacitive touch screen |
| CN107134222A (en) * | 2017-05-22 | 2017-09-05 | 江苏铁锚玻璃股份有限公司 | A kind of large scale curvature panel and its preparation technology |
| CN107491231A (en) * | 2017-07-13 | 2017-12-19 | 深圳市志凌伟业技术股份有限公司 | Abutted equipment and applying method based on capacitive touch screen |
| CN107491198A (en) * | 2017-05-24 | 2017-12-19 | 连城县中触电子有限公司 | One kind fitting touch-screen and its attaching process |
| WO2019127160A1 (en) * | 2017-12-27 | 2019-07-04 | 深圳市柔宇科技有限公司 | Method for manufacturing curved touch control screen |
-
2012
- 2012-07-23 CN CN 201220358997 patent/CN202838248U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104049823A (en) * | 2014-06-25 | 2014-09-17 | 向火平 | High-strength projection-type capacitive screen and manufacturing method thereof |
| CN105630262A (en) * | 2015-12-21 | 2016-06-01 | 深圳市志凌伟业技术股份有限公司 | Sensing plate and touch glasses bonding method applicable in capacitive touch screen |
| CN107134222A (en) * | 2017-05-22 | 2017-09-05 | 江苏铁锚玻璃股份有限公司 | A kind of large scale curvature panel and its preparation technology |
| CN107134222B (en) * | 2017-05-22 | 2019-10-08 | 江苏铁锚玻璃股份有限公司 | A kind of large scale curvature panel and its preparation process |
| CN107491198A (en) * | 2017-05-24 | 2017-12-19 | 连城县中触电子有限公司 | One kind fitting touch-screen and its attaching process |
| CN107491231A (en) * | 2017-07-13 | 2017-12-19 | 深圳市志凌伟业技术股份有限公司 | Abutted equipment and applying method based on capacitive touch screen |
| CN107491231B (en) * | 2017-07-13 | 2021-07-16 | 深圳市志凌伟业技术股份有限公司 | Attaching device and attaching method based on capacitive touch screen |
| WO2019127160A1 (en) * | 2017-12-27 | 2019-07-04 | 深圳市柔宇科技有限公司 | Method for manufacturing curved touch control screen |
| CN111433717A (en) * | 2017-12-27 | 2020-07-17 | 深圳市柔宇科技有限公司 | Curved surface touch screen manufacturing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: DONGGUAN CITY OUFU ELECTRONIC TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: GUANGZHOU T PHOTON TECHNOLOGY CO., LTD. Effective date: 20150324 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 510445 GUANGZHOU, GUANGDONG PROVINCE TO: 523000 DONGGUAN, GUANGDONG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20150324 Address after: 523000 Guangdong Province, Dongguan city Changan Town Ring Road along the 2 street community usha Lane No. 1 Shengxing building room 602 Patentee after: Dongguan Oufu Electronic Technology Co.,Ltd. Address before: 510445, Guangdong Baiyun District, Guangzhou, Zhenlong Taihe D5 Garden Road, eight East Building Patentee before: GUANGZHOU T-PHOTON TECHNOLOGY Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130327 |