CN204009850U - Capacitive touch screen - Google Patents
Capacitive touch screen Download PDFInfo
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- CN204009850U CN204009850U CN201420489545.9U CN201420489545U CN204009850U CN 204009850 U CN204009850 U CN 204009850U CN 201420489545 U CN201420489545 U CN 201420489545U CN 204009850 U CN204009850 U CN 204009850U
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Abstract
The utility model relates to technical field of flat panel display, relates in particular to a kind of capacitive touch screen.Described capacitive touch screen at least comprises: one at least has the substrate of a first surface, and described first surface at least has a first area and is positioned at a second area of described first area one side; Be formed on many first electrode tandems on described first area, described the first electrode tandem is along first direction setting, and every described the first electrode tandem comprises multiple spaced the first electrode units; Be formed on multiple the first conductive pads on described second area and be formed on the contact conductor on described first area and second area, same the first electrode array list have two at least described in the first electrode unit be connected to same described the first conductive pad by described contact conductor.
Description
Technical field
The utility model relates to technical field of flat panel display, relates in particular to a kind of capacitive touch screen.
Background technology
Integrated capacitive touch screen (OGS, On Glass Solution) have advantages of lightening, it only adopts a plate base, and by cover layer, decorative pattern, sensing electrode layer and accordingly circuit be all produced on the same surface of this substrate, but in the prior art, integrated capacitive touch screen generally adopts multi-layered electrode design, make at the back side of a plate base simultaneously and cover layer, multi-layered electrode and corresponding circuit, will cause its manufacturing process complexity to improve further.
Than multi-layered electrode design, the sensing electrode layer of single-layer electrodes design, only need lead film production by layer of transparent and form, and manufacturing process is simpler.But, for the capacitive touch screen of single-layer electrodes, its every electrode unit that is normally positioned at same a line is all connected with a conductive pad, therefore the sum of conductive pad is more, the flexible circuit board that makes to connect conductive pad is long, area is excessive, is unfavorable for the saving of flexible circuit board cost and reducing of capacitive touch screen assembling space.
Utility model content
In view of this, the utility model provides a kind of saving of flexible circuit board cost and capacitive touch screen reducing of assembling space of being conducive to.
The described capacitive touch screen that the utility model provides at least comprises:
One at least has the substrate of a first surface, and described first surface at least has a first area and is positioned at a second area of described first area one side; Be formed on many first electrode tandems on described first area, described the first electrode tandem is along first direction setting, and every described the first electrode tandem comprises multiple spaced the first electrode units; Be formed on multiple the first conductive pads on described second area and be formed on the contact conductor on described first area and second area, same the first electrode array list have two at least described in the first electrode unit be connected to same described the first conductive pad by described contact conductor.
In the described capacitive touch screen that the utility model provides, described capacitive touch screen also comprises many second electrode tandems that are formed on described first area, be formed on multiple the second conductive pads on described second area, every described the second electrode tandem is continuously and along second direction setting, and every described the second electrode tandem be connected to one described in the second conductive pad.
In the described capacitive touch screen that the utility model provides, described the first conductive pad and the second conductive pad are positioned at same layer and mutually insulated, and described the first conductive pad and the second conductive pad are made in the lump in same processing procedure.
In the described capacitive touch screen that the utility model provides, be connected to same described the first conductive pad list for same the first electrode array two described in the first electrode unit, described the first conductive pad has relative first end and the second end, described first end and the second end be electrically connected to two respectively described in the first electrode unit.
In the described capacitive touch screen that the utility model provides, the second electrode tandem setting of mutually inlaying and insulate described in multiple the first electrode units and in same described the first electrode tandem, described the second electrode tandem and described the first electrode tandem and contact conductor are made in the lump in same processing procedure.
In the described capacitive touch screen that the utility model provides, be connected to same described the first conductive pad two described in two contact conductors between the first electrode unit and described the first conductive pad impedance phase with, be positioned at contact conductor on described second area and be arranged at a side of contiguous described first area on described second area.
In the described capacitive touch screen that the utility model provides, be connected to same described the first conductive pad two described in contact conductor length between the first electrode unit and described the first conductive pad identical or not identical, the described contact conductor being positioned on described second area at least has a first paragraph, and the angle of the length direction of described first paragraph and described the first conductive pad is acute angle.
In the described capacitive touch screen that the utility model provides, described capacitive touch screen also comprises the flexible circuit board being connected with described the first conductive pad, the second conductive pad.
In the described capacitive touch screen that the utility model provides, due to same the first electrode array list have two at least described in the first electrode unit be connected to same described the first conductive pad by described contact conductor, be connected to respectively a conductive pad without each electrode unit, therefore reduced the quantity of the first conductive pad, and reduced length and the area of flexible circuit board to be fit, thereby be conducive to reducing and the saving of flexible circuit board cost of capacitive touch screen assembling space.
Brief description of the drawings
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
The structural representation of the capacitive touch screen 200 of the preferred embodiments that Fig. 1 provides for the utility model;
Fig. 2 is the second area structural representation of a preferred embodiments in the capacitive touch screen 200 shown in Fig. 1;
The structural representation of the capacitive touch screen 300 of another preferred embodiments that Fig. 3 provides for the utility model.
Embodiment
For the capacitive touch screen that explanation the utility model provides, be described in detail below in conjunction with Figure of description and explanatory note.
Please refer to Fig. 1, the structural representation of the capacitive touch screen 200 of the preferred embodiments providing for the utility model, described capacitive touch screen 200 at least comprises a substrate 201, many the first electrode tandems 210, many the second electrode tandems 220, contact conductor 211, the first conductive pads 212 and the second conductive pad 222.
Described substrate 201 at least has a first surface 201a, and in present embodiment, described first surface 201a is a plane, and at other embodiments, first surface can also be curved surface or irregular surface.Described substrate 201 can be made up of glass or flexible material.Described first surface 201a at least comprises a first area 201aa and a second area 201ab, and described second area 201ab is positioned at a side of described first area 201aa.In other embodiments, described first surface may also have the 3rd, the 4th and the 5th region, described second, third, the common neighboring area that forms described substrate, the 4th and the 5th region.
Many the first electrode tandems 210 and many second electrode tandems 220 are formed at 201a on the first surface at 201aa place, described first area, described the first electrode tandem 210 is along first direction setting, and every described the first electrode tandem 210 comprises multiple spaced the first electrode unit 210a, every described the second electrode tandem 220 is continuously and along second direction setting.In present embodiment, described the first electrode unit 210a has the first branch of the first trunk and three parallel equidistant arrangements, described in three, the first branch is positioned at the same side of described the first trunk, described the first electrode unit 210a entirety is " E " font, described the second electrode tandem 220 has the second branch of one second trunk and multiple parallel equidistant arrangements, multiple described the second branchs are positioned at the same side of described the second trunk, and described the second electrode tandem 220 entirety are pectination.The second electrode tandem 220 setting of mutually inlaying and insulate described in multiple described the first electrode unit 210a and in same described the first electrode tandem 210.In other embodiments, described the first electrode unit and the second electrode tandem also can have different shapes.In present embodiment, described first direction is vertical with second direction, and in other embodiments, described first direction and second direction also can arrange according to other modes.Described the first electrode unit 210, the second electrode tandem 220 and contact conductor 211 are made by the such as material such as tin indium oxide, Graphene of transparent conductive material.
Described contact conductor 211 is formed at described first area 201aa and second area 201ab, multiple described the first conductive pads 212 and multiple described the second conductive pad 222 are formed on described second area 201ab, every described the second electrode tandem 220 be connected to one described in the second conductive pad 222, described the first conductive pad 212 and the second conductive pad 222 are positioned at same layer and mutually insulated, and described the first conductive pad 212 and the second conductive pad 222 are made in the lump in same processing procedure.Described in having two at least in same the first electrode tandem 210, the first electrode unit 210a is connected to same described the first conductive pad 212 by described contact conductor 211.
In present embodiment, that be connected to same described the first conductive pad 212 is the first electrode unit 210a described in two in same the first electrode tandem 210, described the first conductive pad 212 has relative first end and the second end, described first end and the second end be electrically connected to two respectively described in the first electrode unit 210a.Due to the first electrode unit 210a described in two is connected to same the first conductive pad 212, therefore, can reduce the quantity of the first conductive pad 212, and it is non-cross to ensure to be connected to the contact conductor 211 of described same the first conductive pad 212.In other embodiments, also three, four in same the first electrode tandem 210 or multiple the first electrode unit 210a can be connected to same the first conductive pad 212.
In present embodiment, be connected to same described the first conductive pad 212 two described in two contact conductors 211 between the first electrode unit 210a and described the first conductive pad 212 impedance phase with, concrete, be connected to same described the first conductive pad 212 two described in contact conductor 211 length between the first electrode unit 210a and described the first conductive pad 212 identical, or can change the span of contact conductor 211 described in two or cross-sectional area make to be connected to same described the first conductive pad 212 two described in two contact conductors 211 between the first electrode unit 210a and described the first conductive pad 212 impedance phase with.This mode can make to be connected to same described the first conductive pad 212 two described in the touch-control effect at the first electrode unit 210a place be consistent.In other embodiments, be connected to same described the first conductive pad 212 two described in the impedance of two contact conductors 211 between the first electrode unit 210a and described the first conductive pad 212 can be not identical yet.
In present embodiment, described the first electrode unit 210 is connected to the first conductive pad 212 by the described contact conductor 211 of a part, described in another part, described the second electrode tandem 220 is connected to the second conductive pad 222 by contact conductor 211, described contact conductor 211 is only formed at described first area 201aa and second area 201ab, and is not formed at other regions of described first surface 201a.
In present embodiment, as shown in Figure 2, it is the second area 201ab structural representation of a preferred embodiments in the capacitive touch screen 200 shown in Fig. 1.In order to save contact conductor 211 shared area on described second area 201ab, the contact conductor 211 being positioned on described second area 201ab is arranged to an above side of the described first area 201aa of vicinity of described second area 201ab.The described contact conductor 211 being positioned in described capacitive touch screen 200 on described second area at least has a first paragraph 211a, and the angle theta of the length direction of described first paragraph 211a and described the first conductive pad 212 is acute angle.Therefore, can save the space that other electronic components are set on described second area 201ab.In present embodiment, described capacitive touch screen 200 also comprises the flexible circuit board (not shown) being connected with described the first conductive pad 212, the second conductive pad 222.
In the capacitive touch screen 200 that present embodiment provides, due to same the first electrode array list have two at least described in the first electrode unit be connected to same described the first conductive pad by described contact conductor 211, therefore, can reduce the quantity of described the first conductive pad, thereby be conducive to reduce the area of flexible circuit board, thereby be conducive to the saving of flexible circuit board cost and reducing of capacitive touch screen assembling space.
As shown in Figure 3, the structural representation of the capacitive touch screen 300 of its another preferred embodiments providing for the utility model.Described capacitive touch screen 300 at least comprises a substrate 301, many first electrode tandems 310, many second electrode tandems 320, contact conductor 311, the first conductive pads 312 and the second conductive pad 322.Described the first electrode tandem 310 comprises multiple spaced the first electrode unit 310a.Capacitive touch screen 300 in present embodiment is with the difference of the capacitance touch 200 shown in Fig. 1, described the first electrode unit 310a is shaped as triangle, described the second electrode tandem 320 comprise one second trunk and be formed on described second trunk the same side and with described second trunk be electrically connected multiple the second branchs, the shape triangle of described the second branch.In other embodiments, the shape of described the first electrode unit and the second branch can be also rectangle, hexagon or other shapes.
The preferred embodiments of the capacitive touch screen providing for the utility model above; can not be interpreted as the restriction to the utility model rights protection scope; those skilled in the art should know; without departing from the concept of the premise utility; also can do multiple improvement or replacement; these all improvement or replacement all should be within the scope of rights protections of the present utility model, and rights protection scope of the present utility model should be as the criterion with claim.
Claims (9)
1. a capacitive touch screen, is characterized in that: it at least comprises:
One at least has the substrate of a first surface, and described first surface at least has a first area and is positioned at a second area of described first area one side;
Be formed on many first electrode tandems on described first area, described the first electrode tandem is along first direction setting, and every described the first electrode tandem comprises multiple spaced the first electrode units;
Be formed on multiple the first conductive pads on described second area and be formed on the contact conductor on described first area and second area, same the first electrode array list have two at least described in the first electrode unit be connected to same described the first conductive pad by described contact conductor.
2. capacitive touch screen as claimed in claim 1, it is characterized in that: described capacitive touch screen also comprises many second electrode tandems that are formed on described first area, be formed on multiple the second conductive pads on described second area, every described the second electrode tandem is continuously and along second direction setting, and every described the second electrode tandem be connected to one described in the second conductive pad.
3. capacitive touch screen as claimed in claim 2, is characterized in that: described the first conductive pad and the second conductive pad are positioned at same layer and mutually insulated, and described the first conductive pad and the second conductive pad are made in the lump in same processing procedure.
4. capacitive touch screen as claimed in claim 1, it is characterized in that: be connected to same described the first conductive pad list for same the first electrode array two described in the first electrode unit, described the first conductive pad has relative first end and the second end, described first end and the second end be electrically connected to respectively same a line two described in the first electrode unit.
5. capacitive touch screen as claimed in claim 2, it is characterized in that: the second electrode tandem setting of mutually inlaying and insulate described in multiple the first electrode units and in same described the first electrode tandem, described the second electrode tandem and described the first electrode tandem and contact conductor are made in the lump in same processing procedure.
6. capacitive touch screen as claimed in claim 4, it is characterized in that: be connected to same described the first conductive pad two described in two contact conductors between the first electrode unit and described the first conductive pad impedance phase with, be positioned at contact conductor on described second area and be arranged at a side of contiguous described first area on described second area.
7. capacitive touch screen as claimed in claim 6, is characterized in that: be connected to same described the first conductive pad two described in contact conductor length between the first electrode unit and described the first conductive pad identical or not identical.
8. capacitive touch screen as claimed in claim 7, is characterized in that: the described contact conductor being positioned on described second area at least has a first paragraph, and the angle of the length direction of described first paragraph and described the first conductive pad is acute angle.
9. capacitive touch screen as claimed in claim 2, is characterized in that: described capacitive touch screen also comprises the flexible circuit board being connected with described the first conductive pad, the second conductive pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420489545.9U CN204009850U (en) | 2014-08-28 | 2014-08-28 | Capacitive touch screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420489545.9U CN204009850U (en) | 2014-08-28 | 2014-08-28 | Capacitive touch screen |
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| Publication Number | Publication Date |
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| CN204009850U true CN204009850U (en) | 2014-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420489545.9U Active CN204009850U (en) | 2014-08-28 | 2014-08-28 | Capacitive touch screen |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108139822A (en) * | 2015-06-24 | 2018-06-08 | Ｎｉｓｓｈａ株式会社 | composite touch panel |
| CN110825253A (en) * | 2018-08-13 | 2020-02-21 | 南昌欧菲光科技有限公司 | Touch control assembly and touch display screen |
-
2014
- 2014-08-28 CN CN201420489545.9U patent/CN204009850U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108139822A (en) * | 2015-06-24 | 2018-06-08 | Ｎｉｓｓｈａ株式会社 | composite touch panel |
| CN110825253A (en) * | 2018-08-13 | 2020-02-21 | 南昌欧菲光科技有限公司 | Touch control assembly and touch display screen |
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