CN203376721U - Capacitive touch screen panel with shielding function - Google Patents
Capacitive touch screen panel with shielding function Download PDFInfo
- Publication number
- CN203376721U CN203376721U CN201320189118.4U CN201320189118U CN203376721U CN 203376721 U CN203376721 U CN 203376721U CN 201320189118 U CN201320189118 U CN 201320189118U CN 203376721 U CN203376721 U CN 203376721U
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- Prior art keywords
- layer
- film
- touch screen
- capacitive touch
- screen panel
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- Expired - Lifetime
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- 239000011521 glass Substances 0.000 claims abstract description 32
- 229920006267 polyester film Polymers 0.000 claims abstract description 17
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 8
- -1 polypropylene Polymers 0.000 claims description 10
- 239000004698 Polyethylene Substances 0.000 claims description 6
- 239000004743 Polypropylene Substances 0.000 claims description 6
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 6
- 239000004800 polyvinyl chloride Substances 0.000 claims description 6
- 229920000573 polyethylene Polymers 0.000 claims description 5
- 229920001155 polypropylene Polymers 0.000 claims description 5
- 229920002799 BoPET Polymers 0.000 claims description 4
- 239000010410 layer Substances 0.000 abstract 15
- 239000004820 Pressure-sensitive adhesive Substances 0.000 abstract 5
- 239000000758 substrate Substances 0.000 abstract 3
- 239000010409 thin film Substances 0.000 abstract 2
- 239000010408 film Substances 0.000 abstract 1
- 230000003746 surface roughness Effects 0.000 abstract 1
- 238000002834 transmittance Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 5
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000001939 inductive effect Effects 0.000 description 3
- 238000010030 laminating Methods 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000004020 conductor Substances 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 235000021110 pickles Nutrition 0.000 description 1
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Abstract
The utility model discloses a capacitive touch screen panel with shielding function, comprising a glass substrate layer, an LCD liquid crystal screen, a first sensing thin film layer having an ITO sensing electrode pattern, and a second sensing thin film layer having an ITO sensing electrode pattern. The upper surface of the glass substrate layer is bonded with an organosilicon pressure sensitive adhesive layer, and the surface of the organosilicon pressure sensitive adhesive layer, opposite to the glass substrate layer is coated with a conducting layer. The surface of the conducting layer, opposite to the organosilicon pressure sensitive adhesive layer is bonded with a polyester film layer. The thickness of the organosilicon pressure-sensitive adhesive layer is 10-35[Mu]m, and the thickness of the conducting layer is 1-2 [Mu]m. The surface roughness of the surface of the organosilicon pressure sensitive adhesive layer, contacting with the isolated film layer is 2.821-3.894 [Mu]m. The capacitive touch screen panel with shielding function is advantageous in that high light transmittance is maintained, extraneous interference is prevented, and interference shielding is realized; bubbles can be automatically discharged, and thereby bonding can be better, and thereby operation is facilitated and sharpness is increased.
Description
Technical field
The utility model relates to a kind of capacitive touch screen panel, relates in particular to a kind of capacitive touch screen panel with function of shielding.
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 of finger to four jiaos, 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, bring puzzlement to the user of service, 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 capacitive touch screen panel with function of shielding, this capacitive touch screen panel has kept high transmission rate simultaneously, avoided extraneous its interference, realized the effect that shielding is disturbed, and there is the Automatic-exhausting pickle laminating, 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 capacitive touch screen panel with function of shielding, 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 the 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, described organic pressure-sensitive gel layer thickness is 10 ~ 35 μ m, described conductive layer thickness is 1 ~ 2 μ m, and the surperficial surfaceness that described organic pressure-sensitive gel layer contacts with the glass-based flaggy is 2.821 ~ 3.894 μ m.
In technique scheme, further improved technical scheme is as follows:
1. in such scheme, described conductive layer is 1:10 ~ 35 with organic pressure-sensitive gel layer thickness ratio.
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.
4. 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 capacitive touch screen panel, it comprises the glass-based flaggy, LCD liquid crystal display and there is respectively the first sensing film layer of ITO sensing electrode figure, the second sensing film layer, the bonding organic pressure-sensitive gel layer of the 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, after fitting in capacitive touch screen by the anti-interference diaphragm of said structure, thereby having between the electrode that shields external object and inductive layer, conductive layer 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 surperficial surfaceness that the organic pressure-sensitive gel layer contacts with the glass-based flaggy is 2.821 ~ 3.894 μ m, and exhaust bubble effect is good, and attaching process is easy, workable, has also further improved sharpness.
2. the utility model capacitive touch screen panel, its organic pressure-sensitive gel layer thickness is 10 ~ 35 μ m, described conductive layer thickness is 1 ~ 2 μ m, the thickness of laminated polyester film is 50 ~ 125 μ m, conductive layer is 1:10 ~ 35 with organic pressure-sensitive gel layer thickness ratio, further strengthen high transmission rate, also optimized the shielding jamming performance.
The accompanying drawing explanation
Accompanying drawing 1 is the utility model 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.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further described:
Embodiment 1: a kind of capacitive touch screen panel with function of shielding, 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 the 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, described organic pressure-sensitive gel layer 7 thickness are 10 ~ 35 μ m, described conductive layer 8 thickness are 1.2 μ m, and the surperficial surfaceness that described organic pressure-sensitive gel layer 7 contacts with glass-based flaggy 1 is 3.52 ~ 3.6 μ m.
Above-mentioned conductive layer 8 is 1:28 with organic pressure-sensitive gel layer 7 Thickness Ratio; The thickness of described laminated polyester film 9 is 100 μ m.
Above-mentioned laminated polyester film 9 is polyethylene film PE; Above-mentioned the first sensing film layer 2 is polypropylene film PP, and the second sensing film layer 6 is polyvinyl chloride film PVC.
Embodiment 2: a kind of capacitive touch screen panel with function of shielding, 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 the 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, described organic pressure-sensitive gel layer 7 thickness are 10 ~ 35 μ m, described conductive layer 8 thickness are 1 ~ 2 μ m, and the surperficial surfaceness that described organic pressure-sensitive gel layer 7 contacts with glass-based flaggy 1 is 3.321 ~ 3.33 μ m.
Above-mentioned conductive layer 8 is 1:16 with organic pressure-sensitive gel layer 7 Thickness Ratio; The thickness of described laminated polyester film 9 is 125 μ m.
While adopting the above-mentioned capacitive touch screen panel with function of shielding, it comprises the glass-based flaggy, LCD liquid crystal display and there is respectively the first sensing film layer of ITO sensing electrode figure, the second sensing film layer, the bonding organic pressure-sensitive gel layer of the 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, after fitting in capacitive touch screen by the anti-interference diaphragm of said structure, thereby having between the electrode that shields external object and inductive layer, conductive layer 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 surperficial surfaceness that the organic pressure-sensitive gel layer contacts with the glass-based flaggy is 2.821 ~ 3.894 μ m, and exhaust bubble effect is good, and attaching process is easy, workable, has also further improved sharpness; Again, this capacitive touch screen panel, its organic pressure-sensitive gel layer thickness is 10 ~ 35 μ m, described conductive layer thickness is 1 ~ 2 μ m, the thickness of laminated polyester film is 100 ~ 125 μ m, conductive layer than for 1:10 ~ 35, has further strengthened high transmission rate with the organic pressure-sensitive gel layer thickness, has also optimized the shielding jamming performance.
Above-described embodiment is only explanation technical conceive of the present utility model and characteristics, and its purpose is to allow the 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 (5)
1. the capacitive touch screen panel with function of shielding, 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 the 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), described organic pressure-sensitive gel layer (7) thickness is 10 ~ 35 μ m, described conductive layer (8) thickness is 1 ~ 2 μ m, and the surperficial surfaceness that described organic pressure-sensitive gel layer (7) contacts with glass-based flaggy (1) is 2.821 ~ 3.894 μ m.
2. capacitive touch screen panel according to claim 1 is characterized in that: described conductive layer (8) is 1:10 ~ 35 with organic pressure-sensitive gel layer (7) Thickness Ratio.
3. capacitive touch screen panel according to claim 1, it is characterized in that: the thickness of described laminated polyester film (9) is 50 ~ 125 μ m.
4. 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.
5. 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 |
|---|---|---|---|
| CN201320189118.4U CN203376721U (en) | 2013-04-15 | 2013-04-15 | Capacitive touch screen panel with shielding function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320189118.4U CN203376721U (en) | 2013-04-15 | 2013-04-15 | Capacitive touch screen panel with shielding function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203376721U true CN203376721U (en) | 2014-01-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320189118.4U Expired - Lifetime CN203376721U (en) | 2013-04-15 | 2013-04-15 | Capacitive touch screen panel with shielding function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203376721U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109690460A (en) * | 2016-09-07 | 2019-04-26 | 触觉实验室股份有限公司 | Pressure and shear sensors |
-
2013
- 2013-04-15 CN CN201320189118.4U patent/CN203376721U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109690460A (en) * | 2016-09-07 | 2019-04-26 | 触觉实验室股份有限公司 | Pressure and shear sensors |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| 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. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140101 |