CN203455813U - Capacitive touch screen - Google Patents
Capacitive touch screen Download PDFInfo
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- CN203455813U CN203455813U CN201320473281.3U CN201320473281U CN203455813U CN 203455813 U CN203455813 U CN 203455813U CN 201320473281 U CN201320473281 U CN 201320473281U CN 203455813 U CN203455813 U CN 203455813U
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Abstract
The utility model relates to the technical field of touch screens, in particular to a capacitive touch screen. The capacitive touch screen comprises a touch screen body. The touch screen body comprises a first glass layer with a conducting layer. A first tempered layer is arranged on the side surface of the first glass layer, an induction pole transparent line layer is etched and formed on the upper surface of the first glass layer, a drive pole transparent line layer is etched and formed on the lower surface of the first glass layer, the periphery of the outer surface of the induction pole transparent line layer and the periphery of the outer surface of the drive pole transparent line layer are respectively provided with a silver wire layer, and the outer surfaces of the two silver wire layers are respectively provided with a protection ink layer. The touch screen further comprises a second glass layer and a flexible circuit board. The flexible circuit board is attached to the lower surface of the first glass layer and electrically connected with the drive pole transparent line layer, the second glass layer is attached to the upper surface of the first glass layer, and a second tempered layer is arranged on the outer surface of the second glass layer. The capacitive touch screen has the advantages of being low in production cost, high in using reliability, and long in service life.
Description
Technical field
The utility model relates to touch screen technology field, relates in particular to a kind of capacitive touch screen.
Background technology
Touch-screen is a kind of remarkable input equipment that improves man machine operation interface, have intuitively, simply, advantage efficiently.Touch-screen obtains a wide range of applications in many electronic products, such as mobile phone, PDA, multimedia, public information inquiry system etc.Touch-screen, mainly by following four classes, comprises resistance-type, condenser type, infrared and surface acoustic wave touch screen.Wherein, capacitive touch screen is owing to having excellent performance, such as, in screen, do not have mechanical motion wear problem and also simple in structure, transmittance is high, the linearity good, dustproof, fire prevention, scratch resistant, even if also there is stable performance etc. in worst environment, become the main flow in market.And the sharpest edges of capacitive touch screen are that it has multi-point touch function, have greatly improved operating characteristic and the result of use of electronic product.
The structure of touch-screen of the prior art is, on one side ito glass substrate, paste other one deck ITO film and could form Sensor section, the other one deck ITO film sticking, the cost of its material and processing is high, and due to other one deck ITO film need to one side ito glass substrate on the poor part of one side ITO film need form bridge joint, it,, in the process of laminating, easily causes the unstable of bridge joint, thereby the dependability that reduces capacitive touch screen, the product defect rate making is high.In addition, in actual applications, user has found to adopt the touch-screen of glass substrate to have the breakable shortcoming of appearance, has affected the serviceable life of touch-screen.
Summary of the invention
The purpose of this utility model is for the deficiencies in the prior art, and a kind of capacitive touch screen is provided, and it is high that it has product percent of pass, and production cost is low, the advantage of the strong and long service life of dependability.
The utility model is achieved through the following technical solutions.
A kind of capacitive touch screen, comprise touch screen body, described touch screen body comprises the first glassy layer with conductive layer, the side surface of the first glassy layer is provided with the first tempering layer, the upper surface etching of described the first glassy layer is formed with the transparent line layer of induction pole, the lower surface etching of described the first glassy layer is formed with the transparent line layer of driving stage, the outside surface surrounding of the transparent line layer of described induction pole and the transparent line layer of described driving stage is respectively arranged with silver-colored line layer, the outside surface of two described silver-colored line layers is respectively arranged with protection ink layer, this touch-screen also includes the second glassy layer and flexible circuit board, the lower surface laminating of flexible circuit board and described the first glassy layer, and described flexible circuit board is electrically connected to the transparent line layer of described driving stage, the upper surface laminating of described the second glassy layer and described the first glassy layer, the outside surface of the second glassy layer is provided with the second tempering layer.
Wherein, the junction of described flexible circuit board and the transparent line layer of described driving stage is provided with conduction hot melt adhesive layer.
Wherein, between described the second glassy layer and the upper surface of described the first glassy layer, be provided with adhesive-layer.
Wherein, described the second glassy layer is untreated transparent glass layer.
Wherein, described the first glassy layer and the second glassy layer are all rectangular.
Wherein, four corners of described the first glassy layer, the second glassy layer are set to arc lead angle.
Wherein, the conductive layer of described the first glassy layer is ITO conductive layer.
Wherein, the thickness of described ITO conductive layer is 30-50nm.
Wherein, the thickness of described silver-colored line layer is 15-25 μ m.
The beneficial effects of the utility model are: a kind of capacitive touch screen of the present utility model, because two surfaces at the first glassy layer arrange respectively the transparent line layer of induction pole and the transparent line layer of driving stage, and make the second glassy layer be attached to the outside surface of the transparent line layer of induction pole, adopt double-layer glass structure not need to adopt bridge process in the process of laminating, the product percent of pass making is high, be conducive to reduce production costs, and dependability is strong.In addition, the side surface of the first glassy layer is provided with the first tempering layer, and the outside surface of the second glassy layer is provided with the second tempering layer, effectively solves touch-screen and holds breakable shortcoming, is conducive to extend the serviceable life of touch-screen.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of capacitive touch screen of the utility model.
Fig. 2 is the cross-sectional view of a kind of capacitive touch screen of the utility model.
Reference numeral comprises:
10---touch screen body 1---first glassy layer
11---the transparent line layer 12 of induction pole---transparent line layer of driving stage
2---silver-colored line layer 3---protection ink layer
4---second glassy layer 5---flexible circuit board
6---first tempering layer 7---second tempering layer.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further described.
As depicted in figs. 1 and 2, a kind of capacitive touch screen of the present embodiment, comprise touch screen body 10, described touch screen body 10 comprises the first glassy layer 1 with conductive layer, the side surface of the first glassy layer 1 is provided with the first tempering layer 6, the upper surface etching of described the first glassy layer 1 is formed with the transparent line layer 11 of induction pole, the lower surface etching of described the first glassy layer 1 is formed with the transparent line layer 12 of driving stage, the outside surface surrounding of the transparent line layer 11 of described induction pole and the transparent line layer 12 of described driving stage is respectively arranged with silver-colored line layer 2, the outside surface of two described silver-colored line layers 2 is respectively arranged with protection ink layer 3, this touch-screen also includes the second glassy layer 4 and flexible circuit board 5, flexible circuit board 5 is fitted with the lower surface of described the first glassy layer 1, and described flexible circuit board 5 is electrically connected to the transparent line layer 12 of described driving stage, described the second glassy layer 4 is fitted with the upper surface of described the first glassy layer 1, the outside surface of the second glassy layer 4 is provided with the second tempering layer 7.
A kind of capacitive touch screen of the present utility model adopts GG(Glass-Glass, being double glazing) technique makes, by buying first glassy layer 1 with conductive layer of returning, clean, then adopt etching technics to make the upper of the first glassy layer 1, the conductive layer of lower surface respectively etching forms the transparent line layer 11 of induction pole, the transparent line layer 12 of driving stage, then on the first glassy layer 1, the surrounding of lower surface is carried out respectively silver-colored line layer 2 printing and 3 printings of protection ink layer, again the transparent line layer 12 of flexible circuit board 5 and driving stage is electrically connected to, finally the second glassy layer 4 is fitted in to the upper surface of the first glassy layer 1, the transparent line layer 11 of induction pole of the first glassy layer 1 upper surface is closed, the second glassy layer 4 is untreated transparent glass layer, when tempering is processed, the second glassy layer 4 is put into nitrate solution to be soaked, make the outside surface of the second glassy layer form the second tempering layer 7, effectively avoid the transparent line layer 11 of induction pole damaged, detect qualified after, obtain finished product of the present utility model.
A kind of capacitive touch screen of the present utility model, because upper and lower two surfaces at the first glassy layer 1 arrange respectively the transparent line layer 11 of induction pole and the transparent line layer 12 of driving stage, and make the second glassy layer 4 be attached to the outside surface of the transparent line layer 11 of induction pole of the first glassy layer 1, adopt double-layer glass structure not need to adopt bridge process in the process of laminating, the product percent of pass making is high, be conducive to reduce production costs, and dependability is strong.In addition, the outside surface that the side surface of the first glassy layer is provided with the first tempering layer 6, the second glassy layer is provided with the second tempering layer 7, effectively solves touch-screen and holds breakable shortcoming, is conducive to extend the serviceable life of touch-screen of the present utility model.
Wherein, described flexible circuit board 5 is provided with conduction hot melt adhesive layer with the junction of the transparent line layer 12 of described driving stage.Conduction hot melt adhesive layer can be realized the quick-binding of flexible circuit board 5 and the transparent line layer 12 of described driving stage, and can effectively guarantee that flexible circuit board 5 and the transparent line layer 12 of described driving stage electrically conduct, simple to operate, easy to use.
Wherein, between described the second glassy layer 4 and the upper surface of described the first glassy layer 1, be provided with adhesive-layer.The arranging of adhesive-layer can be realized the quick-binding of the second glassy layer 4 and described the first glassy layer 1, simple to operate, easy to use.
Wherein, the conductive layer of described the first glassy layer 1 is ITO conductive layer.ITO is the abbreviation of Indium Tin Oxides, is called for short nano indium tin metal oxide, has good electric conductivity and the transparency, can cut off harmful electron irradiation, ultraviolet ray and far infrared.Therefore, ITO is sprayed on glass, in plastics and electronic display after, strengthen electric conductivity and transparent in cut off harmful electron irradiation and ultraviolet, infrared.ITO is a kind of N-type oxide semiconductor-tin indium oxide, and ITO conductive layer is indium tin oxide transparent conductive semiconductor layer.
The thickness of the ITO conductive layer of the present embodiment is 30-50nm.Wherein, the thickness of described silver-colored line layer 2 is 15-25 μ m.Certainly, in actual production process, the Sizes that can require according to producer is selected the thickness of ITO conductive layer and silver-colored line layer 2, meets different consumer demands.
The difference of the present embodiment and embodiment 1 is, the first glassy layer 1 and second glassy layer 4 of the present embodiment are all rectangular, are convenient to machine-shaping.
Wherein, four corners of described the first glassy layer 1, the second glassy layer 4 are set to arc lead angle.The setting of arc lead angle makes the point that four corners of glassy layer are round and smooth unstressed sudden change, thereby has eliminated stress concentration point, has further improved serviceable life of the present utility model.
The remainder of the present embodiment is identical with embodiment 1, repeats no more here.
The above embodiment, it is preferred embodiments of the present utility model, be not to limit the utility model practical range, the equivalence of doing according to structure, feature and principle described in the utility model claim therefore all changes or modifies, and all should comprise in the utility model patent claim.
Claims (9)
1. a capacitive touch screen, comprise touch screen body, it is characterized in that: described touch screen body comprises the first glassy layer with conductive layer, the side surface of the first glassy layer is provided with the first tempering layer, the upper surface etching of described the first glassy layer is formed with the transparent line layer of induction pole, the lower surface etching of described the first glassy layer is formed with the transparent line layer of driving stage, the outside surface surrounding of the transparent line layer of described induction pole and the transparent line layer of described driving stage is respectively arranged with silver-colored line layer, the outside surface of two described silver-colored line layers is respectively arranged with protection ink layer, this touch-screen also includes the second glassy layer and flexible circuit board, the lower surface laminating of flexible circuit board and described the first glassy layer, and described flexible circuit board is electrically connected to the transparent line layer of described driving stage, the upper surface laminating of described the second glassy layer and described the first glassy layer, the outside surface of the second glassy layer is provided with the second tempering layer.
2. a kind of capacitive touch screen according to claim 1, is characterized in that: the junction of described flexible circuit board and the transparent line layer of described driving stage is provided with conduction hot melt adhesive layer.
3. a kind of capacitive touch screen according to claim 1, is characterized in that: between described the second glassy layer and the upper surface of described the first glassy layer, be provided with adhesive-layer.
4. a kind of capacitive touch screen according to claim 1, is characterized in that: described the second glassy layer is untreated transparent glass layer.
5. a kind of capacitive touch screen according to claim 1, is characterized in that: described the first glassy layer and the second glassy layer are all rectangular.
6. a kind of capacitive touch screen according to claim 5, is characterized in that: four corners of described the first glassy layer, the second glassy layer are set to arc lead angle.
7. a kind of capacitive touch screen according to claim 1, is characterized in that: the conductive layer of described the first glassy layer is ITO conductive layer.
8. a kind of capacitive touch screen according to claim 7, is characterized in that: the thickness of described ITO conductive layer is 30-50nm.
9. a kind of capacitive touch screen according to claim 1, is characterized in that: the thickness of described silver-colored line layer is 15-25 μ m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320473281.3U CN203455813U (en) | 2013-08-05 | 2013-08-05 | Capacitive touch screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320473281.3U CN203455813U (en) | 2013-08-05 | 2013-08-05 | Capacitive touch screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203455813U true CN203455813U (en) | 2014-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320473281.3U Expired - Lifetime CN203455813U (en) | 2013-08-05 | 2013-08-05 | Capacitive touch screen |
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| Country | Link |
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| CN (1) | CN203455813U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109032418A (en) * | 2018-08-10 | 2018-12-18 | 北京旭碳新材料科技有限公司 | A kind of flexible touch screen and preparation method thereof |
-
2013
- 2013-08-05 CN CN201320473281.3U patent/CN203455813U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109032418A (en) * | 2018-08-10 | 2018-12-18 | 北京旭碳新材料科技有限公司 | A kind of flexible touch screen and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171227 Address after: 546100 south-west side of the intersection of South and North Central Avenue and South District C road in the overseas Chinese investment area of Laibin City, the Guangxi Zhuang Autonomous Region Patentee after: GUANGXI ZHONGPEI OPTOELECTRONICS TECHNOLOGY Co.,Ltd. Address before: 523000 Guangdong province Dongguan City Hengli Town, Xicheng District in Dongguan city B8 Pei Photoelectric Technology Co. Ltd. Patentee before: DONGGUAN CITY ZHONGPEI OPTOELECTRONICS SCIENCE & TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140226 |
|
| CX01 | Expiry of patent term |