CN204331654U - Touch screen - Google Patents
Touch screen Download PDFInfo
- Publication number
- CN204331654U CN204331654U CN201420652698.0U CN201420652698U CN204331654U CN 204331654 U CN204331654 U CN 204331654U CN 201420652698 U CN201420652698 U CN 201420652698U CN 204331654 U CN204331654 U CN 204331654U
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- China
- Prior art keywords
- touch screen
- contact conductor
- conductive material
- marginarium
- lower floor
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a kind of touch screen, comprise transparency carrier, transparent touch electrode and contact conductor.The face inner region that transparency carrier comprises marginarium and surrounded by described marginarium.Transparent touch electrode is arranged at described inner region.Contact conductor is arranged at described marginarium.Described contact conductor comprises the upper and lower, the conductive material of described lower floor is identical with described transparent touch electrode material, the conductive material conductivity on described upper strata is greater than the conductivity of underlying conductive material, described lower floor is arranged between transparency carrier and described upper strata, the length of described lower floor is more than or equal to the length on described upper strata, one end of described contact conductor connects described transparent touch electrode, and the other end connects the wiring board of touch screen.The touch screen that the utility model provides has stable line conduction, and the serviceable life of touch screen and function are all strengthened.
Description
Technical field
The utility model relates to technical field of liquid crystal display, particularly relates to a kind of structure of touch screen.
Background technology
Manufacturing industry most important development trend post-industrial age that intellectuality being, touch screen preferably resolves the man-machine interaction bottleneck problem in Intelligent Process, and change its business model (taking smart mobile phone as typical case), facilitate whole industrial chain to develop in a healthy way, therefore bright prospects are had, touch screen is as a kind of novel human-computer interaction interface, be widely used on various digital information system, from small sized product as mobile phone, digital product, e-book, to medium-sized product as automatic navigator, game machine, household electrical appliance, industry control instrument, arrive large product again as common query system, Medical Instruments etc. can see touch screen product.Along with the release of apple (iPhone) mobile phone, greatly have stimulated the dynamics that touch-screen is applied on mobile phone, mobile phone is applied touch-screen and has become a kind of popular prevailing custom, in addition the application of touch-screen on automatic navigator (GPS), therefore increasing to the demand of touch-screen, its market outlook are very considerable.
By touch sensible principle, existing touch-screen is mainly divided into resistance-type, condenser type, surperficial infrared type touch-screen.Wherein, capacitive touch screen has that structure is simple, transmittance is high, rub resistance, resistance to ambient humidity temperature variation, long service life, can realize the advantages such as multiple point touching, and day by day becomes market centre and the market focus of touch-screen.
Along with the application of touch-screen product is more and more wider, also more and more stricter to the requirement of production technology.Silver slurry is the most popular a kind of conductive material of current touch-control industry, and the transmission being realized sensor signal by silver slurry line can improve transfer efficiency.But, due to the adhesion difference of silver, in the process of manufacture of touch screen, printed silver-colored line easily occurs that silver powder comes off, have Pinhole-shaped transmission etc. bad after the baking of silver line, these silver-colored line defects can cause silver-colored line resistance to increase, and even occur open circuit, make signal cannot normal transmission, touch screen disabler.
Therefore, design touch screen is provided, the above-mentioned defect of money can be solved, make touch screen have stable function, continue by industry research problem.
Utility model content
The utility model provides a kind of structure of touch screen, the problem that the touch screen that brings of the defect solving silver-colored line is bad, avoid the breaking phenomena that silver slurry comes off, transmission etc. causes, make touch screen have stable line conduction, the serviceable life of touch screen and function are all strengthened.
To achieve these goals, the utility model embodiment provides following technical scheme:
The utility model provides a kind of touch screen, comprises transparency carrier, multiple transparent touch electrode and multiple contact conductor, the face inner region that transparency carrier comprises marginarium and surrounded by described marginarium; Multiple transparent touch electrode is arranged at described inner region; Multiple contact conductor is arranged at described marginarium; Described contact conductor comprises the upper and lower, the conductive material of described lower floor is identical with described transparent touch electrode material, the conductive material conductivity on described upper strata is greater than the conductivity of underlying conductive material, described lower floor is arranged between transparency carrier and described upper strata, the length of described lower floor is more than or equal to the length on described upper strata, one end of described contact conductor connects described transparent touch electrode, and the other end connects the wiring board of touch screen.
Wherein, described lower electrode lead-in wire is ITO with the conductive material of described transparent touch electrode.
Wherein, the conductive material of described upper electrode lead-in wire is the silver slurry of solidification.
Wherein, the thickness of described lower electrode lead-in wire is 15-50nm, and the thickness of described upper electrode lead-in wire is 5-10 μm.
Wherein, the live width of described contact conductor and line-spacing are 15-45 μm.
The utility model, by being arranged in the ITO layer of marginarium by contact conductor, makes contact conductor have good adhesion, is not easy to occur to come off, the phenomenon such as transmission, prevents touch screen open circuit.And the touch screen that the utility model provides has two-layer electrode cabling, therefore the utility model has dual line conduction structure, and the serviceable life of touch screen and function are all strengthened.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the process flow diagram of the manufacture method of the touch screen that the utility model provides;
Fig. 2 is the schematic diagram of the structure of the touch screen that the utility model provides.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, the utility model provides a kind of manufacture method of touch screen, comprises the steps:
Step 101, plates ITO layer on the transparent substrate, the face inner region that described transparency carrier comprises marginarium and surrounded by described marginarium.Specifically, utilize the method for magnetron sputtering to plate indium oxide layer tin (being commonly called as ITO) film processing and fabricating and form described ITO layer, the method for other making ITO layer also has the methods such as vacuum vapor deposition method, chemical vapour deposition technique, spraying process, sol-gel process in addition.
Step 102, by the ITO layer patterning of described inner region, forms transparent touch electrode, and retains the ITO layer of described marginarium.Specifically, in present embodiment, a kind of embodiment of this step comprises: carry out acidproof printing to the described transparency carrier plating described ITO layer, then is etched with formation transparent touch electrode to ITO layer.Wherein, according to the ITO electrode pattern of correspondence printing acid-proof ink in the ITO layer of face inner region, then complete covering acid-proof ink in the ITO layer of marginarium, with the ITO layer in preserving edge district.The another kind of embodiment of this step comprises: cover photoresist to the described transparency carrier plating described ITO layer; Pattern according to transparent touch electrode carries out exposure imaging to photoresist, retains the photoresist on the marginarium of described transparency carrier simultaneously; To etch in described inner region ITO layer to form described transparent touch electrode; Peel off described photoresist.
Step 103, in the ITO layer of described marginarium, printing silver is starched and solidifies, and forms silver slurry layer.The general profile of silver slurry circuit can be obtained while forming silver slurry layer, the material of silver slurry can be saved like this.
Step 104, is made into contact conductor by the ITO layer of described marginarium and described silver slurry layer.Specifically, this step comprises: obtain described contact conductor by radium-shine mode.The laser beam of Laser machine stand is utilized to become hot spot by optics into focus, the diameter of described hot spot is less than or equal to 0.01mm, obtain the energy density of 108w/cm2 ~ 1010w/cm2 and the localized hyperthermia of 10000 DEG C, make described ITO layer and silver slurry layer fusing, gasification or the chemical change of laser beam irradiation position, obtain contact conductor.Live width and the line-spacing of described contact conductor are 15-45 μm.
The step " ITO layer of described marginarium and described silver slurry layer being made into contact conductor " comprises: obtain described contact conductor by radium-shine mode.
Described contact conductor comprises two-layer up and down, lower floor is formed by described ITO layer, upper strata is formed by described silver slurry layer, described lower floor is arranged between transparency carrier and described upper strata, described contact conductor is used for the wiring board described transparent touch electrode being electrically connected to described touch screen, thus is connected with the master control circuit of electronic equipment by this wiring board.That is, one end of described contact conductor connects described transparent touch electrode, and the other end connects the wiring board of touch screen.Described wiring board is generally flexible circuit board.The bilevel live width of described contact conductor is equal.
The thickness of described ITO layer is 15-50nm, and the thickness of described silver slurry layer is 5-10 μm.
By silver slurry layer being printed on the marginarium of ITO layer, making silver slurry layer have good adhesion, being not easy to occur to come off, the phenomenon such as transmission, prevent touch screen open circuit.
Refer to Fig. 2, the utility model also provides a kind of touch screen, comprises transparency carrier 10, multiple transparent touch electrode 20 and multiple contact conductor 30.The face inner region that transparency carrier 10 comprises marginarium and surrounded by described marginarium.Multiple transparent touch electrode 20 is arranged at described inner region.Multiple contact conductor 30 is arranged at described marginarium.Described contact conductor 30 comprises up and down two-layer 32,34, the conductive material of described lower floor 32 is identical with described transparent touch electrode 20 material, the conductive material conductivity on described upper strata 34 is greater than the conductivity of lower floor 32 conductive material, described lower floor 32 is arranged between transparency carrier 10 and described upper strata 34, the length of described lower floor 32 is more than or equal to the length on described upper strata 34, one end of described contact conductor 30 connects described transparent touch electrode 20, and the other end connects the wiring board (figure does not show) of touch screen.It is equal that described contact conductor 30 comprises two-layer 32,34 live widths up and down.
Described lower electrode lead-in wire is ITO with the conductive material of described transparent touch electrode 20.The conductive material of described upper electrode lead-in wire is silver slurry.
In described touch screen, the thickness of described lower electrode lead-in wire is 15-50nm, and the thickness of described upper electrode lead-in wire is 5-10 μm.
The utility model, by being arranged in the ITO layer of marginarium by contact conductor, makes contact conductor have good adhesion, is not easy to occur to come off, the phenomenon such as transmission, prevents touch screen open circuit.The utility model, by the setting of two-layer contact conductor 30, makes touch screen have dual line conduction structure, the serviceable life of touch screen and function is all strengthened.
Above-described embodiment, does not form the restriction to this technical scheme protection domain.The amendment done within any spirit at above-mentioned embodiment and principle, equivalently to replace and improvement etc., within the protection domain that all should be included in this technical scheme.
Claims (5)
1. a touch screen, comprising:
Transparency carrier, the face inner region comprising marginarium and surrounded by described marginarium;
Multiple transparent touch electrode, is arranged at described inner region;
Multiple contact conductor, is arranged at described marginarium;
It is characterized in that: described contact conductor comprises lower floor and upper strata, the conductive material of described lower floor is identical with described transparent touch electrode material, the conductive material conductivity on described upper strata is greater than the conductivity of underlying conductive material, described lower floor is arranged between transparency carrier and described upper strata, the length of described lower floor is more than or equal to the length on described upper strata, one end of described contact conductor connects described transparent touch electrode, and the other end connects the wiring board of described touch screen.
2. touch screen as claimed in claim 1, is characterized in that, described lower electrode lead-in wire is ITO with the conductive material of described transparent touch electrode.
3. touch screen as claimed in claim 2, is characterized in that, the conductive material of described upper electrode lead-in wire is the silver slurry of solidification.
4. touch screen as claimed in claim 3, is characterized in that, the thickness of described lower electrode lead-in wire is 15-50nm, and the thickness of described upper electrode lead-in wire is 5-10 μm.
5. touch screen as claimed in claim 1, it is characterized in that, live width and the line-spacing of described contact conductor are 15-45 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420652698.0U CN204331654U (en) | 2014-11-04 | 2014-11-04 | Touch screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420652698.0U CN204331654U (en) | 2014-11-04 | 2014-11-04 | Touch screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204331654U true CN204331654U (en) | 2015-05-13 |
Family
ID=53167988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420652698.0U Withdrawn - After Issue CN204331654U (en) | 2014-11-04 | 2014-11-04 | Touch screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204331654U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104407734A (en) * | 2014-11-04 | 2015-03-11 | 苏州欧菲光科技有限公司 | Manufacturing method for touch screen and touch screen |
| CN104915081A (en) * | 2015-06-10 | 2015-09-16 | 京东方科技集团股份有限公司 | Array substrate, manufacturing method thereof and touch display panel |
-
2014
- 2014-11-04 CN CN201420652698.0U patent/CN204331654U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104407734A (en) * | 2014-11-04 | 2015-03-11 | 苏州欧菲光科技有限公司 | Manufacturing method for touch screen and touch screen |
| CN104407734B (en) * | 2014-11-04 | 2018-04-27 | 苏州欧菲光科技有限公司 | The manufacture method and touch screen of touch screen |
| CN104915081A (en) * | 2015-06-10 | 2015-09-16 | 京东方科技集团股份有限公司 | Array substrate, manufacturing method thereof and touch display panel |
| US10203788B2 (en) | 2015-06-10 | 2019-02-12 | Boe Technology Group Co., Ltd. | Array substrate including touch electrode lines of different layers, method for manufacturing the same, and touch display panel |
| CN104915081B (en) * | 2015-06-10 | 2019-03-15 | 京东方科技集团股份有限公司 | A kind of array substrate and preparation method thereof, touch-control display panel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 215143 Jiangsu city of Suzhou province Xiangcheng District Huang Dai Zhen Kang Yang Road No. 233 Co-patentee after: Nanchang OFilm Tech. Co.,Ltd. Patentee after: Suzhou OFilm Tech. Co.,Ltd. Co-patentee after: OFilm Tech Co.,Ltd. Address before: 215143 Jiangsu city of Suzhou province Xiangcheng District Huang Dai Zhen Kang Yang Road No. 233 Co-patentee before: Nanchang OFilm Tech. Co.,Ltd. Patentee before: Suzhou OFilm Tech. Co.,Ltd. Co-patentee before: Shenzhen OFilm Tech Co.,Ltd. |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150513 Effective date of abandoning: 20180427 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20150513 Effective date of abandoning: 20180427 |