CN203102222U - Induction-type touch screen structure - Google Patents
Induction-type touch screen structure Download PDFInfo
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- CN203102222U CN203102222U CN 201320014151 CN201320014151U CN203102222U CN 203102222 U CN203102222 U CN 203102222U CN 201320014151 CN201320014151 CN 201320014151 CN 201320014151 U CN201320014151 U CN 201320014151U CN 203102222 U CN203102222 U CN 203102222U
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- film layer
- thin film
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- sensing
- pet thin
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Abstract
The utility model discloses an induction-type touch screen structure which comprises a poly ethylene terephthalate (PET) thin film layer, a liquid crystal display (LCD), a first sensing thin film layer and a second sensing thin film layer, wherein the first sensing thin film layer and the second sensing thin film layer are respectively provided with an indium tin oxide (ITO) sensing electrode pattern, the PET thin film layer is adhered to the first sensing thin film layer through a first optically clear adhesive (OCA), the first sensing thin film layer is adhered to the second sensing thin film layer through a second OCA, and the upper surface of the PET thin film layer is adhered to a polymethyl methacrylate layer through a third OCA. The surface of the PET thin film layer being contacted with the first OCA is covered by an ink layer, the ink layer is arranged in the area of edges of the PET thin film layer, and therefore a display area is formed in the central area of the PET thin film layer. The induction-type touch screen structure reduces the application amount of the OCA and avoids generation of bubbles.
Description
Technical field
The utility model relates to a kind of touch-screen, relates in particular to a kind of induction type touch screen structure.
Background technology
Capacitive touch screen is four layers of compound glass screen; the inside surface of glass screen and interlayer respectively scribble one deck ITO, and outermost layer is a skim silicon soil glassivation, and interlayer ITO coating is as workplace; draw four electrodes on four angles, internal layer ITO is that screen layer is to guarantee good working environment.When finger touch was on metal level, because people's bulk electric field, user and touch screen surface formed with a coupling capacitance, and for high-frequency current, electric capacity is direct conductor, so finger siphons away a very little electric current from contact point.This electric current divides the electrode on from touch-screen four jiaos and flows out, and the electric current of these four electrodes of flowing through is directly proportional with the distance of pointing four jiaos, and controller passes through the accurate Calculation to these four current ratios, draws touch point position.Form from the capacitive touch screen structure, its glass substrate occupies very big proportion; And during practical application, capacitance touch screen often all need embed in the corresponding electronic product, ink lay is to be printed on the glass-based flaggy in the existing capacitance touch screen, the thickness of ink lay that causes being positioned at the edge is thicker, and the OCA optical cement that the middle section that is positioned at ink lay needs should cost an arm and a leg with bonding middle section and the OCA optical cement that also needs to fill ink lay of lower floor, thereby cause OCA optical cement thickness thicker, and be easy to generate bubble, so cost has increased greatly; Secondly, the glass-based flaggy prints and adhesion technique simultaneously, is unfavorable for the raising of production efficiency and yield.Therefore how to reduce the use amount of OCA optical cement, avoid the generation of bubble, simultaneously, enhance productivity and yield, become the direction that those skilled in the art make great efforts.
Summary of the invention
The utility model provides a kind of induction type touch screen structure, and this induction type touch screen structure has reduced the use amount of OCA optical cement, has avoided the generation of bubble.
For achieving the above object, the technical solution adopted in the utility model is: a kind of induction type touch screen structure, comprise PET thin layer, LCD liquid crystal display and have the first sensing film layer, the second sensing film layer of ITO sensing electrode figure respectively, bonding between the described PET thin layer and the first sensing film layer by an OCA optical cement, bonding between the described first sensing film layer and the second sensing film layer by the 2nd OCA optical cement;
The upper surface of described PET thin layer is bonding by the 3rd an OCA optical cement and a polymethyl methacrylate layers, surface coverage one ink lay that described PET thin layer contacts with an OCA optical cement, this ink lay is positioned at the fringe region of PET thin layer, thereby forms the viewing area at described PET thin layer middle section.
Further improved technical scheme is as follows in the technique scheme:
1. in the such scheme, the described first sensing film layer, the second sensing film layer are PET film, polypropylene film, polyethylene film or polyvinyl chloride film.
2. in the such scheme, the thickness of a described OCA optical cement is 25 ~ 200 microns, and the thickness of described PET thin layer is 12 ~ 250 microns.
Because the technique scheme utilization, the utility model compared with prior art has following advantage:
The utility model induction type touch screen structure, bonding between its PET thin layer and the first sensing film layer by an OCA optical cement, bonding between the described first sensing film layer and the second sensing film layer by the 2nd OCA optical cement, the upper surface of PET thin layer is bonding by the 3rd an OCA optical cement and a polymethyl methacrylate layers, surface coverage one ink lay that described PET thin layer contacts with an OCA optical cement, this ink lay is positioned at the fringe region of PET thin layer, thereby form the viewing area at described PET thin layer middle section, thereby reduced the use amount of OCA optical cement, avoided the generation of bubble, simultaneously, also enhance productivity and yield.
Description of drawings
Accompanying drawing 1 is the utility model induction type touch screen structure synoptic diagram.
In the above accompanying drawing: 1, PET thin layer; 2, the first sensing film layer; 3, LCD liquid crystal display; 4, an OCA optical cement; 5, the 2nd OCA optical cement; 6, polymethyl methacrylate layers; 7, ink lay; 8, viewing area; 9, the second sensing film layer; 10, the 3rd OCA optical cement.
Embodiment
Below in conjunction with drawings and Examples the utility model is further described:
Embodiment 1: a kind of induction type touch screen structure, comprise PET thin layer 1, LCD liquid crystal display 3 and have the first sensing film layer 2, the second sensing film layer 9 of ITO sensing electrode figure respectively, bonding between the described PET thin layer 1 and the first sensing film layer 2 by an OCA optical cement 4, bonding between the described first sensing film layer 2 and the second sensing film layer 9 by the 2nd OCA optical cement 5;
The upper surface of described PET thin layer 1 is bonding by the 3rd an OCA optical cement 10 and a polymethyl methacrylate layers 6, surface coverage one ink lay 7 that described PET thin layer 1 contacts with an OCA optical cement 4, this ink lay 7 is positioned at the fringe region of PET thin layer 1, thereby forms viewing area 8 at described PET thin layer 1 middle section.
The above-mentioned first sensing film layer 2, the second sensing film layer 9 are PET film PET.
The thickness of an above-mentioned OCA optical cement 4 is 25 ~ 200 microns, and the thickness of described PET thin layer 1 is 12 ~ 250 microns.
Embodiment 2: a kind of induction type touch screen structure, comprise PET thin layer 1, LCD liquid crystal display 3 and have the first sensing film layer 2, the second sensing film layer 9 of ITO sensing electrode figure respectively, bonding between the described PET thin layer 1 and the first sensing film layer 2 by an OCA optical cement 4, bonding between the described first sensing film layer 2 and the second sensing film layer 9 by the 2nd OCA optical cement 5;
The upper surface of described PET thin layer 1 is bonding by the 3rd an OCA optical cement 10 and a polymethyl methacrylate layers 6, surface coverage one ink lay 7 that described PET thin layer 1 contacts with an OCA optical cement 4, this ink lay 7 is positioned at the fringe region of PET thin layer 1, thereby forms viewing area 8 at described PET thin layer 1 middle section.
The above-mentioned first sensing film layer 2, the second sensing film layer, 9 polyvinyl chloride film PVC.
The thickness of an above-mentioned OCA optical cement 4 is 25 ~ 200 microns, and the thickness of described PET thin layer 1 is 12 ~ 250 microns.
When adopting above-mentioned induction type touch screen structure, bonding between its PET thin layer and the first sensing film layer by an OCA optical cement, bonding between the described first sensing film layer and the second sensing film layer by the 2nd OCA optical cement, the upper surface of PET thin layer is bonding by the 3rd an OCA optical cement and a polymethyl methacrylate layers, surface coverage one ink lay that described PET thin layer contacts with an OCA optical cement, this ink lay is positioned at the fringe region of PET thin layer, thereby form the viewing area at described PET thin layer middle section, thereby reduced the use amount of OCA optical cement, avoided the generation of bubble, simultaneously, also enhance productivity and yield.
The foregoing description only is explanation technical conceive of the present utility model and characteristics, and its purpose is to allow the personage who is familiar with this technology can understand content of the present utility model and enforcement according to this, can not limit protection domain of the present utility model with this.All equivalences of being done according to the utility model spirit change or modify, and all should be encompassed within the protection domain of the present utility model.
Claims (1)
1. induction type touch screen structure, it is characterized in that: comprise PET thin layer (1), LCD liquid crystal display (3) and have the first sensing film layer (2), the second sensing film layer (9) of ITO sensing electrode figure respectively, bonding between the described PET thin layer (1) and the first sensing film layer (2) by an OCA optical cement (4), bonding between the described first sensing film layer (2) and the second sensing film layer (9) by the 2nd OCA optical cement (5);
The upper surface of described PET thin layer (1) is bonding by the 3rd an OCA optical cement (10) and a polymethyl methacrylate layers (6), surface coverage one ink lay (7) that described PET thin layer (1) contacts with an OCA optical cement (4), this ink lay (7) is positioned at the fringe region of PET thin layer (1), thereby forms viewing area (8) at described PET thin layer (1) middle section.
2. induction type touch screen structure according to claim 1 is characterized in that: the described first sensing film layer (2), the second sensing film layer (9) are PET film, polypropylene film, polyethylene film or polyvinyl chloride film.
3. induction type touch screen structure according to claim 1 is characterized in that: the thickness of a described OCA optical cement (4) is 25 ~ 200 microns, and the thickness of described PET thin layer (1) is 12 ~ 250 microns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320014151 CN203102222U (en) | 2013-01-11 | 2013-01-11 | Induction-type touch screen structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320014151 CN203102222U (en) | 2013-01-11 | 2013-01-11 | Induction-type touch screen structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203102222U true CN203102222U (en) | 2013-07-31 |
Family
ID=48853607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320014151 Expired - Lifetime CN203102222U (en) | 2013-01-11 | 2013-01-11 | Induction-type touch screen structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203102222U (en) |
-
2013
- 2013-01-11 CN CN 201320014151 patent/CN203102222U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 223900 Sihong Province Economic Development Zone, Suqian, West Ocean West Road, No. 6 Patentee after: JIANGSU SIDIKE NEW MATERIALS SIENCE & TECHNOLOGY Co.,Ltd. Address before: 215400 Taicang, Suzhou, Taicang Economic Development Zone, Qingdao West Road, No. 11, No. Patentee before: SUZHOU SIDIKE NEW MATERIALS SIENCE & TECHNOLOGY Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130731 |
|
| CX01 | Expiry of patent term |