CN201796350U - Capacitance touch induction electrode area and capacitance touch screen - Google Patents
Capacitance touch induction electrode area and capacitance touch screen Download PDFInfo
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- CN201796350U CN201796350U CN2010202511066U CN201020251106U CN201796350U CN 201796350 U CN201796350 U CN 201796350U CN 2010202511066 U CN2010202511066 U CN 2010202511066U CN 201020251106 U CN201020251106 U CN 201020251106U CN 201796350 U CN201796350 U CN 201796350U
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- capacitance touch
- polar region
- induction
- induced electricity
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Abstract
The utility model provides a capacitance touch induction electrode area, which comprises a transparent insulation area and a transparent electrode layer. The transparent electrode layer comprises a plurality of induction electrodes, a plurality of electrode leads and filling electrodes, the filling electrodes are disposed among the induction electrodes and in gaps among the induction electrodes and the electrode leads, and the included angle between each filling electrode and a long edge of the transparent electrode layer is 45 degrees or 135 degrees. The utility model further provides a capacitance touch screen adopting the capacitance touch induction electrode area simultaneously. The capacitance induction electrode area and the capacitance touch screen adopting the capacitance touch induction electrode area have the advantages of fine optical performance and attractive appearance.
Description
Technical field
The utility model relates to a kind of capacitance touch induced electricity polar region, and the capacitive touch screen of using this capacitance touch induced electricity polar region.
Background technology
Touch-screen is a kind of touch sensing input media that is widely used now.Press the touch sensible principle, the prior art touch-screen comprises resistive touch screen, capacitive touch screen, surperficial infrared touch panel or the like.Wherein, resistive touch screen because its low cost, easily realize, control is simple etc., and advantage is for many years popular.Recently, capacitive touch screen with its transmittance height, wear-resistant, anti-variation of ambient temperature, anti-ambient humidity change, the life-span is long, can realize being welcomed by the general public as the Premium Features of multiple point touching.
For capacitive touch screen is effectively worked, need a transparent capacitance sensing district.When human body or as the special-purpose touching device of writing pencil during near the induction electrode of electric capacity, can change the size of the detected capacitance of sensing control circuit, according to the distribution of capacitance variation in the touch area, just can judge human body or the special-purpose touching device touch situation in the touch area.
Seeing also Fig. 1, is the part plan synoptic diagram of a kind of prior art capacitance touch induced electricity polar region.This capacitance touch induced electricity polar region 10 comprises a transparent insulating layer 11 and a transparent electrode layer 13, and this transparent electrode layer 13 comprises a plurality of induction electrodes 15 and a plurality of contact conductor 17.
Such capacitance touch induced electricity polar region, because the void area that reaches between this induction electrode 15 and the contact conductor 17 between this induction electrode 15 is not provided with the filling electrode, cause electrode place and electrodeless place printing opacity inhomogeneous easily, human eye can clearly be seen contact conductor 17, influences outward appearance.
Seeing also Fig. 2, is that another kind of prior art capacitance touch induced electricity polar region is provided with the part plan synoptic diagram of filling electrode.Filling electrode 23 is a kind of dummy electrodes, and it is an insulating material.Fill electrode 23 if be provided with between induction electrode, to fill the factor that electrode relates to more but owing to be provided with, as fill gap between electrode 23 and the induction electrode 21, fill the gap between the electrode 23, fill the scope of electrode 23, fill angle of electrode 23 or the like, if fill improperly, tend to produce nicking, printing opacity is inhomogeneous and bad phenomenon such as hot pressing short circuit at the capacitance touch screen surfaces.
The utility model content
At prior art capacitance touch induced electricity polar region optical property and the relatively poor problem of outward appearance, the utility model provides a kind of optical property and outward appearance capacitance touch induced electricity polar region preferably.
The utility model also provides the capacitive touch screen of this capacitance touch induced electricity polar region of a kind of application.
A kind of capacitance touch induced electricity polar region, it comprises a transparent insulating layer and a transparent electrode layer, this transparent electrode layer comprises a plurality of induction electrodes, a plurality of contact conductor and fills electrode, this filling electrode be arranged between this induction electrode and this induction electrode and this contact conductor between void area, and the angle on a long limit of this filling electrode and this transparent electrode layer is 45 degree or 135 degree.
As the further improvement of this capacitance touch induced electricity polar region, this filling electrode is arranged on outside the zone, this induction electrode I/O place.
As the further improvement of this capacitance touch induced electricity polar region, the linear slit spacing between this filling electrode is less than 15 microns.
As the further improvement of this capacitance touch induced electricity polar region, this filling electrode and this induction electrode and this contact conductor are electrically insulated.
As the further improvement of this capacitance touch induced electricity polar region, and the respectively corresponding connection identical of this induction electrode with this contact conductor quantity.
As the further improvement of this capacitance touch induced electricity polar region, the graphics shape of this induction electrode is a polygonal shape.
As the further improvement of this capacitance touch induced electricity polar region, the graphics shape of this induction electrode is rectangle, regular hexagon, rhombus etc.
As the further improvement of this capacitance touch induced electricity polar region, one side of this induction electrode is parallel with the long limit of this transparent electrode layer.
A kind of capacitive touch screen, it comprises capacitance touch induced electricity polar region, this capacitance touch induced electricity polar region comprises a transparent insulating layer and a transparent electrode layer, this transparent electrode layer comprises a plurality of induction electrodes, a plurality of contact conductor and fills electrode, this filling electrode be arranged between this induction electrode and this induction electrode and this contact conductor between void area, and the angle on a long limit of this filling electrode and this transparent electrode layer is 45 degree or 135 degree.
Capacitance touch induced electricity polar region of the present utility model and using in the capacitive touch screen of this capacitance touch induced electricity polar region, the filling angle of this filling electrode is respectively 45 degree and 135 degree, and the linear slit spacing between this filling electrode is less than 15 microns, step down at this induction electrode I/O place, therefore improve the optical property and the outward appearance of product, and avoided causing short circuit after capacitive touch screen and the FPC pressing.
Description of drawings
Fig. 1 is the part plan synoptic diagram of a kind of prior art capacitance touch induced electricity polar region.
Fig. 2 is that another kind of prior art capacitance touch induced electricity polar region is provided with the part plan synoptic diagram of filling electrode.
Fig. 3 is the planar structure synoptic diagram of the utility model capacitance touch induced electricity polar region first embodiment.
Fig. 4 is the planar structure synoptic diagram of the utility model capacitance touch induced electricity polar region second embodiment.
Fig. 5 is the partial enlarged drawing of capacitance touch induced electricity shown in Figure 4 polar region.
Embodiment
Below in conjunction with accompanying drawing the utility model capacitance touch electrode district and capacitive touch screen are described.
Seeing also Fig. 3, is the planar structure synoptic diagram of the utility model capacitance touch electrode district first embodiment.This capacitance touch electrode district 30 is applied in (figure does not show) in the capacitive touch screen, and it comprises a transparent insulating layer 31 and a transparent electrode layer 33.
This transparent insulating layer 31 is as the support plate of this transparent electrode layer 33 of carrying, its good in optical property, this transparent insulating layer 31 is made by the optical clear insulating material, the optical clear insulating material that adopts can be glass, organic glass class rigidity transparent insulation material, for example polymethylmethacrylate (PMMA), polycarbonate (PC); Also can be polyesters transparent insulation material, as polyethylene terephthalate (PET) with soft bendability.
This transparent electrode layer 33 is arranged on a surface of this transparent insulating layer 31, this transparent electrode layer 33 comprises a plurality of induction electrodes 35, a plurality of contact conductor 37 and fills electrode 39, this transparent electrode layer 33 is made by transparent conductive material, and the transparent conductive material of employing can be tin indium oxide (ITO), Zinc oxide doped aluminium (ZAO), cadmium oxide (CdO) or indium zinc oxide (IZO).
This induction electrode 35 produces the electrode of inductance capacitance when being touch, there is void area each other in respectively these induction electrode 35 not conductings mutually, and the graphics shape of this induction electrode 35 can be designed to polygonal shapes such as rectangle, regular hexagon, rhombus.
This contact conductor 37 is for connecting the transparent lead of this induction electrode 35 and external circuit, each these contact conductor 37 corresponding these induction electrode 35, during capacitive touch screen work, connect the transmission of electric signal between this induction electrode 35 and the external circuit by this contact conductor 37.
This filling electrode 39 is a kind of dummy electrodes, it is an insulating material, this filling electrode 39 is distributed between this induction electrode 35 and the void area between this induction electrode 35 and this contact conductor 37, and be electrically insulated with this induction electrode 35, this contact conductor 37, one side of this induction electrode 35 is parallel with a long limit (indicating) of this transparent electrode layer 33, and the angle on the long limit of this filling electrode 39 and this transparent electrode layer 33 is 45 degree.
Seeing also Fig. 4, is the planar structure synoptic diagram of the utility model capacitance touch electrode district second embodiment.This capacitance touch electrode district 40 comprises a transparent insulating layer 41 and a transparent electrode layer 43, and this transparent electrode layer 43 comprises a plurality of induction electrodes 45, a plurality of contact conductor 47 and fills electrode 49.
This filling electrode 49 is distributed between this induction electrode 45 and the void area between this induction electrode 45 and this contact conductor 47, and be electrically insulated with this induction electrode 45, this contact conductor 47, one side of this induction electrode 45 is parallel with a long limit (indicating) of this transparent electrode layer 43, and the angle on the long limit of this filling electrode 49 and this transparent electrode layer 43 is 135 degree.
Please consulting Fig. 5 again, is the partial enlarged drawing of capacitance touch induced electricity shown in Figure 4 polar region 40.Linear slit spacing 491 between this filling electrode is less than 15 microns, and filling electrode 49 is not set at induction electrode I/O mouth place 451, avoid causing short circuit after capacitive touch screen and the FPC pressing, this filling electrode 49 can be eliminated induction electrode 45, and contact conductor 47 produces the electrode shadow on this transparent insulating layer.
In first embodiment, second embodiment, the quantity of this induction electrode 35,45 and this contact conductor 37,47 can be provided with according to actual needs, and the respectively corresponding connection identical with these contact conductor 37,47 quantity of this induction electrode 35,45.
Compared with prior art, first embodiment, this capacitance touch induced electricity polar region 30 of second embodiment, filling electrode 39 in 40,49 filling angle is respectively 45 degree or 135 degree, linear slit spacing 491 between this filling electrode is less than 15 microns, and filling electrode 39 is not set at induction electrode I/ O mouth place 451,49, therefore can effectively improve the printing opacity homogeneity of capacitive touch screen, appearance property, avoid electrode exposed, produce short circuit when capacitive touch screen and FPC hot pressing, make this capacitance touch induced electricity polar region 30,40 and use this capacitance touch induced electricity polar region 30,40 capacitive touch screen has optical property and outward appearance preferably.
In sum, capacitance touch induced electricity of the present utility model polar region 30,40 and the capacitive touch screen of using this capacitance touch induced electricity polar region 30,40 have optical property and outward appearance advantage preferably.
Only be preferred case study on implementation of the present utility model below, be not limited to the utility model, for a person skilled in the art, the utility model can have various changes and variation.All within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (10)
1. capacitance touch induced electricity polar region, it comprises a transparent insulating layer and a transparent electrode layer, it is characterized in that: this transparent electrode layer comprises a plurality of induction electrodes, a plurality of contact conductor and fills electrode, this filling electrode be arranged between this induction electrode and this induction electrode and this contact conductor between void area, and the angle on a long limit of this filling electrode and this transparent electrode layer is 45 degree or 135 degree.
2. capacitance touch induced electricity according to claim 1 polar region is characterized in that: this filling electrode is arranged on outside the zone, this induction electrode I/O place.
3. capacitance touch induced electricity according to claim 1 polar region is characterized in that: the linear slit spacing between this filling electrode is less than 15 microns.
4. capacitance touch induced electricity according to claim 1 polar region is characterized in that: this filling electrode and this induction electrode and this contact conductor are electrically insulated.
5. capacitance touch induced electricity according to claim 1 polar region is characterized in that: and the respectively corresponding connection identical with this contact conductor quantity of this induction electrode.
6. capacitance touch induced electricity according to claim 1 polar region is characterized in that: the graphics shape of this induction electrode is a polygonal shape.
7. capacitance touch induced electricity according to claim 6 polar region is characterized in that: the graphics shape of this induction electrode is rectangle, regular hexagon, rhombus etc.
8. capacitance touch induced electricity according to claim 2 polar region is characterized in that: one side of this induction electrode is parallel with the long limit of this transparent electrode layer.
9. capacitive touch screen, it comprises capacitance touch induced electricity polar region, this capacitance touch induced electricity polar region comprises a transparent insulating layer and a transparent electrode layer, it is characterized in that: this transparent electrode layer comprises a plurality of induction electrodes, a plurality of contact conductor and fills electrode, this filling electrode be arranged between this induction electrode and this induction electrode and this contact conductor between void area, and the angle on a long limit of this filling electrode and this transparent electrode layer is 45 degree or 135 degree.
10. capacitive touch screen according to claim 9 is characterized in that: this capacitance touch induced electricity polar region is any described capacitance touch induced electricity polar region of claim 2 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202511066U CN201796350U (en) | 2010-07-06 | 2010-07-06 | Capacitance touch induction electrode area and capacitance touch screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202511066U CN201796350U (en) | 2010-07-06 | 2010-07-06 | Capacitance touch induction electrode area and capacitance touch screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201796350U true CN201796350U (en) | 2011-04-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202511066U Expired - Lifetime CN201796350U (en) | 2010-07-06 | 2010-07-06 | Capacitance touch induction electrode area and capacitance touch screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201796350U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102571059A (en) * | 2012-01-06 | 2012-07-11 | 陈建平 | Water-pouring-preventing capacitive touch button |
| CN103049146A (en) * | 2011-10-11 | 2013-04-17 | 纬创资通股份有限公司 | Touch module and electronic device thereof |
-
2010
- 2010-07-06 CN CN2010202511066U patent/CN201796350U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103049146A (en) * | 2011-10-11 | 2013-04-17 | 纬创资通股份有限公司 | Touch module and electronic device thereof |
| CN102571059A (en) * | 2012-01-06 | 2012-07-11 | 陈建平 | Water-pouring-preventing capacitive touch button |
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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: 20110413 |