CN203397334U - Shielded-type capacitive touch screen panel - Google Patents
Shielded-type capacitive touch screen panel Download PDFInfo
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- CN203397334U CN203397334U CN201320189301.4U CN201320189301U CN203397334U CN 203397334 U CN203397334 U CN 203397334U CN 201320189301 U CN201320189301 U CN 201320189301U CN 203397334 U CN203397334 U CN 203397334U
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Abstract
The utility model discloses an anti-interference capacitive touch screen panel. The anti-interference capacitive touch screen panel comprises a glass substrate layer, an LCD (liquid crystal display) screen, as well as a first sensing film layer and a second sensing film layer which are provided with an ITO (indium tin oxide) sensing electrode graph respectively, wherein an organic silicon pressure-sensitive adhesive layer is bonded on the upper surface of the glass substrate layer, a conductive layer is coated on the surface back to the glass substrate layer, of the organic silicon pressure-sensitive adhesive layer, a polyester film layer is bonded on the surface back to the organic silicon pressure-sensitive adhesive layer, of the conductive layer, and a wear-resistant layer is coated on the upper surface of the polyester film layer; and the thickness of the organic silicon pressure-sensitive adhesive layer is 10-35 microns, and the surface contacted with the glass substrate layer, of the organic silicon pressure-sensitive adhesive layer is provided with a plurality of projections, so as to form a contact surface with a surface roughness of 2.821-3.894 microns, and the thickness ratio of the conductive layer to the organic silicon pressure-sensitive adhesive layer is 1: (10 to 35). The anti-interference capacitive touch screen panel disclosed by the utility model avoids the interference of the outside, realizes the function of shielding interference, and has the functions of automatic bubble-exhausting and scratch prevention, thus facilitating operation, and further improving definition.
Description
Technical field
The utility model relates to a kind of capacitive touch screen panel, relates in particular to a kind of shield type capacitive touch screen panel.
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 shield type capacitive touch screen panel, this shield type capacitive touch screen panel 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 capacitor type touch panel, comprise glass-based flaggy, LCD liquid crystal display and there is respectively the first sensing film layer, the second sensing film layer of ITO sensing electrode figure, bonding by an OCA optics glue-line between described glass-based flaggy and the first sensing film layer, bonding by the 2nd OCA optics glue-line between described the first sensing film layer and the second sensing film layer;
The bonding organic pressure-sensitive gel layer of upper surface of described glass-based flaggy, the opposing surface of this organic pressure-sensitive gel layer and 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, and 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, the thickness of described laminated polyester film is 50 ~ 125 μ m.
2. in such scheme, described laminated polyester film is PET film, polypropylene film, polyethylene film or polyvinyl chloride film.
3. in such scheme, described the first sensing film layer, the second sensing film layer are 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 shield type capacitive touch screen panel, it comprises glass-based flaggy, first plastic film layers and the LCD liquid crystal display that is positioned at the first plastic film layers below with ITO sensing electrode layer, bonding by OCA optics glue-line between described glass-based flaggy and the first plastic film layers, the bonding organic pressure-sensitive gel layer of upper surface of described glass-based flaggy, the opposing surface of this organic pressure-sensitive gel layer and glass-based flaggy is coated with conductive layer, the opposing surface of this conductive layer and organic pressure-sensitive gel layer is bonded with the second plastic film layers, 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 shield type capacitive touch screen panel, 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, further strengthen high transmission rate, 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 shield type capacitive touch screen panel structural representation.
In above accompanying drawing: 1, glass-based flaggy; 2, the first sensing film layer; 3, LCD liquid crystal display; 4, an OCA optics glue-line; 5, the 2nd OCA optics glue-line; 6, the second sensing film layer; 7, organic pressure-sensitive gel layer; 8, conductive layer; 9, laminated polyester film; 10, jut; 11, wearing layer.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further described:
Embodiment 1: a kind of shield type capacitive touch screen panel, comprise glass-based flaggy 1, LCD liquid crystal display 3 and there is respectively the first sensing film layer 2, the second sensing film layer 6 of ITO sensing electrode figure, bonding by an OCA optics glue-line 4 between described glass-based flaggy 1 and the first sensing film layer 2, bonding by the 2nd OCA optics glue-line 5 between described the first sensing film layer 2 and the second sensing film layer 6;
The bonding organic pressure-sensitive gel layer 7 of upper surface of described glass-based flaggy 1, the opposing surface of this organic pressure-sensitive gel layer 7 and glass-based flaggy 1 is coated with conductive layer 8, the opposing surface of this conductive layer 8 and organic pressure-sensitive gel layer 7 is bonded with laminated polyester film 9, and these laminated polyester film 9 upper surfaces scribble wearing layer 11; Described organic pressure-sensitive gel layer 7 thickness are 10 ~ 35 μ m, the surface that this organic pressure-sensitive gel layer 7 contacts with glass-based flaggy 1 has several juts 10, thereby forming surfaceness is the surface of contact of 2.95 ~ 2.98 μ m, described conductive layer 8 is 1:24 with organic pressure-sensitive gel layer 7 Thickness Ratio.
The thickness of above-mentioned laminated polyester film 9 is 105 μ m; Above-mentioned laminated polyester film 9 is polyethylene film PE.
Above-mentioned the first sensing film layer 2, the second sensing film layer 6 are PET film PET, polypropylene film PP, polyethylene film PE or polyvinyl chloride film PVC.
Embodiment 2: a kind of shield type capacitive touch screen panel, comprise glass-based flaggy 1, LCD liquid crystal display 3 and there is respectively the first sensing film layer 2, the second sensing film layer 6 of ITO sensing electrode figure, bonding by an OCA optics glue-line 4 between described glass-based flaggy 1 and the first sensing film layer 2, bonding by the 2nd OCA optics glue-line 5 between described the first sensing film layer 2 and the second sensing film layer 6;
The bonding organic pressure-sensitive gel layer 7 of upper surface of described glass-based flaggy 1, the opposing surface of this organic pressure-sensitive gel layer 7 and glass-based flaggy 1 is coated with conductive layer 8, the opposing surface of this conductive layer 8 and organic pressure-sensitive gel layer 7 is bonded with laminated polyester film 9, and these laminated polyester film 9 upper surfaces scribble wearing layer 11; Described organic pressure-sensitive gel layer 7 thickness are 10 ~ 35 μ m, the surface that this organic pressure-sensitive gel layer 7 contacts with glass-based flaggy 1 has several juts 10, thereby forming surfaceness is the surface of contact of 3.62 ~ 3.65 μ m, described conductive layer 8 is 1:32 with organic pressure-sensitive gel layer 7 Thickness Ratio.
The thickness of above-mentioned laminated polyester film 9 is 125 μ m; Above-mentioned laminated polyester film 9 is polypropylene film PP.
While adopting above-mentioned anti-interference capacitor type touch panel, it comprises glass-based flaggy, first plastic film layers and the LCD liquid crystal display that is positioned at the first plastic film layers below with ITO sensing electrode layer, bonding by OCA optics glue-line between described glass-based flaggy and the first plastic film layers, the bonding organic pressure-sensitive gel layer of upper surface of described glass-based flaggy, the opposing surface of this organic pressure-sensitive gel layer and glass-based flaggy is coated with conductive layer, the opposing surface of this conductive layer and organic pressure-sensitive gel layer is bonded with the second plastic film layers, 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 shield type capacitive touch screen panel, 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. a shield type capacitive touch screen panel, it is characterized in that: comprise glass-based flaggy (1), LCD liquid crystal display (3) and there is respectively the first sensing film layer (2), the second sensing film layer (6) of ITO sensing electrode figure, bonding by an OCA optics glue-line (4) between described glass-based flaggy (1) and the first sensing film layer (2), bonding by the 2nd OCA optics glue-line (5) between described the first sensing film layer (2) and the second sensing film layer (6);
The bonding organic pressure-sensitive gel layer (7) of upper surface of described glass-based flaggy (1), the opposing surface of this organic pressure-sensitive gel layer (7) and glass-based flaggy (1) is coated with conductive layer (8), the opposing surface of this conductive layer (8) and organic pressure-sensitive gel layer (7) is bonded with laminated polyester film (9), and this laminated polyester film (9) upper surface scribbles wearing layer (11); Described organic pressure-sensitive gel layer (7) thickness is 10 ~ 35 μ m, the surface that this organic pressure-sensitive gel layer (7) contacts with glass-based flaggy (1) has several juts (10), thereby forming surfaceness is the surface of contact of 2.821 ~ 3.894 μ m, described conductive layer (8) is 1:10 ~ 35 with organic pressure-sensitive gel layer (7) Thickness Ratio.
2. capacitive touch screen panel according to claim 1, is characterized in that: the thickness of described laminated polyester film (9) is 50 ~ 125 μ m.
3. capacitive touch screen panel according to claim 1 and 2, is characterized in that: described laminated polyester film (9) is PET film, polypropylene film, polyethylene film or polyvinyl chloride film.
4. capacitive touch screen panel according to claim 1 and 2, is characterized in that: described the first sensing film layer (2), the second sensing film layer (6) are PET film, polypropylene film, polyethylene film or polyvinyl chloride film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320189301.4U CN203397334U (en) | 2013-04-15 | 2013-04-15 | Shielded-type capacitive touch screen panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320189301.4U CN203397334U (en) | 2013-04-15 | 2013-04-15 | Shielded-type capacitive touch screen panel |
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| Publication Number | Publication Date |
|---|---|
| CN203397334U true CN203397334U (en) | 2014-01-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320189301.4U Expired - Lifetime CN203397334U (en) | 2013-04-15 | 2013-04-15 | Shielded-type capacitive touch screen panel |
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| Country | Link |
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| CN (1) | CN203397334U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105974623A (en) * | 2016-07-18 | 2016-09-28 | 信利光电股份有限公司 | Shading adhesive tape, backlight module and backlight display module |
-
2013
- 2013-04-15 CN CN201320189301.4U patent/CN203397334U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105974623A (en) * | 2016-07-18 | 2016-09-28 | 信利光电股份有限公司 | Shading adhesive tape, backlight module and backlight display module |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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Granted publication date: 20140115 |
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| CX01 | Expiry of patent term |