CN203397332U - Anti-interference type touch capacitive screen - Google Patents
Anti-interference type touch capacitive screen Download PDFInfo
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- CN203397332U CN203397332U CN201320188825.1U CN201320188825U CN203397332U CN 203397332 U CN203397332 U CN 203397332U CN 201320188825 U CN201320188825 U CN 201320188825U CN 203397332 U CN203397332 U CN 203397332U
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- sensitive gel
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Abstract
The utility model discloses a touch capacitive screen. The touch capacitive screen comprises a glass substrate layer, a glass layer with an ITO (indium tin oxide) sensing electrode graph, and an LCD (liquid crystal display) screen, wherein the glass substrate layer is bonded with the glass layer by a first OCA (optical clear adhesive) layer, and the upper surface of the glass substrate layer is bonded with a plastic film layer by a second OCA layer; and an ink layer is covered on the surface contacted with the second OCA layer, of the plastic film layer, and the ink layer is located in the edge area of the plastic film layer, thus forming a display area in the central area of the plastic film layer. According to the touch capacitive screen disclosed by the utility model, the use amount of the OCA layers is reduced, and the generation of bubbles is avoided; meanwhile, production efficiency and yield are also increased.
Description
Technical field
The utility model relates to a kind of touch control capacitance screen, relates in particular to a kind of anti-interference type touch control capacitance screen.
Background technology
Along with the high speed development of touch technology, the capacitive touch screen with multi-point touch function and stronger sensitivity is replacing traditional resistive touch screen gradually, obtains more and more application widely.The capacitive touch screen of prior art all adopts between finger and the electrode of inductive layer and realizes capacitive coupling, when finger touch is on metal level, due to people's bulk electric field, user and touch screen surface form with a coupling capacitance, 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 in the electrode four jiaos from touch-screen and flows out, and the electric current of these four electrodes of flowing through is directly proportional to the distance at finger Dao Si angle, and controller, by the accurate Calculation to these four current ratios, draws the position of touch point.Higher just because of its sense of touch remolding sensitivity, when being vulnerable to external object at not use state, it disturbs, for example: mobile phone is placed in pocket, encounter because of carelessness touch-screen, may cause faulty operation, to user of service, bring puzzlement, or display do not using state, do not wishing that other people touch arbitrarily situations such as producing interference.
Summary of the invention
The utility model provides a kind of anti-interference type touch control capacitance screen, this anti-interference type touch control capacitance screen has been avoided extraneous its interference, realize the effect that shielding is disturbed, and there is Automatic-exhausting pickle laminating and anti-scratch function, both facilitated operation also further to improve sharpness.
For achieving the above object, the technical solution adopted in the utility model is: a kind of anti-interference type touch control capacitance screen, comprise glass-based flaggy, glassy layer and the LCD liquid crystal display with ITO sensing electrode figure, bonding by an OCA optics glue-line between described glass-based flaggy and glassy layer, the bonding organic pressure-sensitive gel layer of upper surface of described glass-based flaggy, this opposing surface of organic pressure-sensitive gel layer glass-based flaggy is coated with conductive layer, the opposing surface of this conductive layer and organic pressure-sensitive gel layer is bonded with laminated polyester film, this laminated polyester film upper surface scribbles wearing layer, described organic pressure-sensitive gel layer thickness is 10 ~ 35 μ m, the surface that this organic pressure-sensitive gel layer contacts with glass-based flaggy has several juts, thereby forming surfaceness is the surface of contact of 2.821 ~ 3.894 μ m, described conductive layer is 1:10 ~ 35 with organic pressure-sensitive gel layer thickness ratio.
In technique scheme, further improved technical scheme is as follows:
1. in such scheme, described organic pressure-sensitive gel layer thickness is 10 ~ 35 μ m, and described conductive layer thickness is 1 ~ 2 μ m.
2. in such scheme, the thickness of described laminated polyester film is 50 ~ 125 μ m.
3. in such scheme, described laminated polyester film is PET film, polypropylene film, polyethylene film or polyvinyl chloride film.
Because technique scheme is used, the utility model compared with prior art has following advantages:
1. the utility model anti-interference type touch control capacitance shields, it comprises glass-based flaggy, glassy layer and the LCD liquid crystal display with ITO sensing electrode figure, bonding by an OCA optics glue-line between described glass-based flaggy and glassy layer, the bonding organic pressure-sensitive gel layer of upper surface of described glass-based flaggy, this opposing surface of organic pressure-sensitive gel layer glass-based flaggy is coated with conductive layer, the opposing surface of this conductive layer and organic pressure-sensitive gel layer is bonded with laminated polyester film, thereby having between shielding external object and the electrode of inductive layer, the conductive layer of the capacitive touch screen of said structure can not realize capacitive coupling, therefore external object acts on touch screen and can not have influence on its use, when staff is encountered induction electrode accidentally, laminating due to shielding interference protection film, intercept the capacitance variations between electrode and ground, thereby can not have influence on circuit integral capacitor characteristic, touch-screen can not be used.Thereby avoided the interference of external substance to it, realized the effect that shielding is disturbed; Secondly, the surface that organic pressure-sensitive gel layer contacts with glass-based flaggy has several juts, thereby form surfaceness, is the surface of contact of 2.821 ~ 3.894 μ m, has Automatic-exhausting pickle joint function, has both facilitated operation also further to improve sharpness.
2. the utility model anti-interference type touch control capacitance shields, and its organic pressure-sensitive gel layer thickness is 10 ~ 35 μ m, and conductive layer thickness is 1 ~ 2 μ m, and the thickness of the second plastic film layers is 50 ~ 125 μ m, has further strengthened high transmission rate, has also optimized shielding jamming performance; Secondly, this high transmission rate capacitance touch screen, its second plastic film layers upper surface scribbles wearing layer, has anti-scratch function.
Accompanying drawing explanation
Accompanying drawing 1 is the utility model anti-interference type touch control capacitance screen structural representation.
In above accompanying drawing: 1, glass-based flaggy; 2, glassy layer; 3, LCD liquid crystal display; 4, OCA optics glue-line; 5, laminated polyester film; 6, organic pressure-sensitive gel layer; 7, conductive layer; 8, jut; 9, wearing layer.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further described:
Embodiment 1: a kind of anti-interference type touch control capacitance screen, comprise glass-based flaggy 1, there is glassy layer 2 and the LCD liquid crystal display 3 of ITO sensing electrode figure, bonding by an OCA optics glue-line 4 between described glass-based flaggy 1 and glassy layer 2, the bonding organic pressure-sensitive gel layer 6 of upper surface of described glass-based flaggy 1, these organic pressure-sensitive gel layer 6 opposing surfaces of glass-based flaggy 1 are coated with conductive layer 7, the opposing surface of this conductive layer 7 and organic pressure-sensitive gel layer 6 is bonded with laminated polyester film 5, and these laminated polyester film 5 upper surfaces scribble wearing layer 9; Described organic pressure-sensitive gel layer 6 thickness are 10 ~ 35 μ m, the surface that this organic pressure-sensitive gel layer 6 contacts with glass-based flaggy 1 has several juts 8, thereby forming surfaceness is the surface of contact of 2.9 ~ 2.92 μ m, described conductive layer 7 is 1:32 with organic pressure-sensitive gel layer 6 Thickness Ratio.
Above-mentioned organic pressure-sensitive gel layer 6 thickness are 12 μ m, and above-mentioned conductive layer 7 thickness are 1.2 μ m.
Above-mentioned laminated polyester film 5 is polypropylene film PP.
Embodiment 2: a kind of anti-interference type touch control capacitance screen, comprise glass-based flaggy 1, there is glassy layer 2 and the LCD liquid crystal display 3 of ITO sensing electrode figure, bonding by an OCA optics glue-line 4 between described glass-based flaggy 1 and glassy layer 2, the bonding organic pressure-sensitive gel layer 6 of upper surface of described glass-based flaggy 1, these organic pressure-sensitive gel layer 6 opposing surfaces of glass-based flaggy 1 are coated with conductive layer 7, the opposing surface of this conductive layer 7 and organic pressure-sensitive gel layer 6 is bonded with laminated polyester film 5, and these laminated polyester film 5 upper surfaces scribble wearing layer 9; Described organic pressure-sensitive gel layer 6 thickness are 10 ~ 35 μ m, the surface that this organic pressure-sensitive gel layer 6 contacts with glass-based flaggy 1 has several juts 8, thereby forming surfaceness is the surface of contact of 3.3 ~ 3.4 μ m, described conductive layer 7 is 1:18 with organic pressure-sensitive gel layer 6 Thickness Ratio.
Above-mentioned organic pressure-sensitive gel layer 6 thickness are 30 μ m, and described conductive layer 7 thickness are 1.6 μ m.
The thickness of above-mentioned laminated polyester film 5 is 125 μ m; Above-mentioned laminated polyester film 5 is PET film PET.
While adopting the above-mentioned touch control capacitance with function of shielding to shield, it comprises glass-based flaggy, glassy layer and the LCD liquid crystal display with ITO sensing electrode figure, bonding by an OCA optics glue-line between described glass-based flaggy and glassy layer, the bonding organic pressure-sensitive gel layer of upper surface of described glass-based flaggy, this opposing surface of organic pressure-sensitive gel layer glass-based flaggy is coated with conductive layer, the opposing surface of this conductive layer and organic pressure-sensitive gel layer is bonded with laminated polyester film, thereby having between shielding external object and the electrode of inductive layer, the conductive layer of the capacitive touch screen of said structure can not realize capacitive coupling, therefore external object acts on touch screen and can not have influence on its use, when staff is encountered induction electrode accidentally, laminating due to shielding interference protection film, intercept the capacitance variations between electrode and ground, thereby can not have influence on circuit integral capacitor characteristic, touch-screen can not be used.Thereby avoided the interference of external substance to it, realized the effect that shielding is disturbed; Secondly, the surface that organic pressure-sensitive gel layer contacts with glass-based flaggy has several juts, thereby form surfaceness, is the surface of contact of 2.821 ~ 3.894 μ m, has Automatic-exhausting pickle joint function, has both facilitated operation also further to improve sharpness; Again, this anti-interference type touch control capacitance screen, its organic pressure-sensitive gel layer thickness is 10 ~ 35 μ m, and conductive layer thickness is 1 ~ 2 μ m, and the thickness of the second plastic film layers is 50 ~ 125 μ m, has further strengthened high transmission rate, has also optimized shielding jamming performance; Again, this high transmission rate capacitance touch screen, its second plastic film layers upper surface scribbles wearing layer, has anti-scratch function.
Above-described embodiment is only explanation technical conceive of the present utility model and feature, and its object is to allow person skilled in the art can understand content of the present utility model and implement according to this, can not limit protection domain of the present utility model with this.All equivalences of doing according to the utility model Spirit Essence change or modify, within all should being encompassed in protection domain of the present utility model.
Claims (4)
1. an anti-interference type touch control capacitance shields, it is characterized in that: comprise glass-based flaggy (1), glassy layer (2) and the LCD liquid crystal display (3) with ITO sensing electrode figure, bonding by an OCA optics glue-line (4) between described glass-based flaggy (1) and glassy layer (2), the bonding organic pressure-sensitive gel layer (6) of upper surface of described glass-based flaggy (1), this opposing surface of organic pressure-sensitive gel layer (6) glass-based flaggy (1) is coated with conductive layer (7), the opposing surface of this conductive layer (7) and organic pressure-sensitive gel layer (6) is bonded with laminated polyester film (5), this laminated polyester film (5) upper surface scribbles wearing layer (9), described organic pressure-sensitive gel layer (6) thickness is 10 ~ 35 μ m, the surface that this organic pressure-sensitive gel layer (6) contacts with glass-based flaggy (1) has several juts (8), thereby forming surfaceness is the surface of contact of 2.821 ~ 3.894 μ m, described conductive layer (7) is 1:10 ~ 35 with organic pressure-sensitive gel layer (6) Thickness Ratio.
2. touch control capacitance screen according to claim 1, is characterized in that: described organic pressure-sensitive gel layer (6) thickness is 10 ~ 35 μ m, and described conductive layer (7) thickness is 1 ~ 2 μ m.
3. touch control capacitance screen according to claim 1, is characterized in that: the thickness of described laminated polyester film (5) is 50 ~ 125 μ m.
4. touch control capacitance screen according to claim 1, is characterized in that: described laminated polyester film (5) is PET film, polypropylene film, polyethylene film or polyvinyl chloride film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320188825.1U CN203397332U (en) | 2013-04-15 | 2013-04-15 | Anti-interference type touch capacitive screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320188825.1U CN203397332U (en) | 2013-04-15 | 2013-04-15 | Anti-interference type touch capacitive screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203397332U true CN203397332U (en) | 2014-01-15 |
Family
ID=49908850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320188825.1U Expired - Lifetime CN203397332U (en) | 2013-04-15 | 2013-04-15 | Anti-interference type touch capacitive screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203397332U (en) |
-
2013
- 2013-04-15 CN CN201320188825.1U patent/CN203397332U/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 | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140115 |