CN203054804U - Capacitor-type touch screen - Google Patents
Capacitor-type touch screen Download PDFInfo
- Publication number
- CN203054804U CN203054804U CN 201320031591 CN201320031591U CN203054804U CN 203054804 U CN203054804 U CN 203054804U CN 201320031591 CN201320031591 CN 201320031591 CN 201320031591 U CN201320031591 U CN 201320031591U CN 203054804 U CN203054804 U CN 203054804U
- Authority
- CN
- China
- Prior art keywords
- induction electrode
- substrate
- touch screen
- capacitive touch
- induction
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model relates to a capacitor-type touch screen which comprises a substrate and an induction electrode layer which is formed on the substrate. The substrate is in the shape of a rectangle, the lengthwise width of the substrate is larger than the crosswise width of the substrate, the induction electrode layer comprises a plurality of first induction electrodes and a plurality of second induction electrodes, the first induction electrodes and the second induction electrodes are arranged alternately along the crosswise direction of the substrate, and the width of each first induction electrode and the width of each second induction electrode change gradually along the lengthwise direction of the substrate. Due to the fact that the first induction electrodes and the second induction electrodes are arranged along the lengthwise direction of the substrate in an extending mode, wire arranging on the left side of the substrate and the right side of the substrate is not needed. Therefore, compared with a traditional touch screen with a same size, the capacitor-type touch screen has larger effective display size.
Description
Technical field
The utility model relates to touch technology, relates in particular to a kind of capacitive touch screen.
Background technology
Development along with touching technique, touch-screen is as a kind of simple, convenient, natural human-computer interaction device, in all trades and professions, as fields such as video and music entertainment system, industry control, medical treatment, self-service terminal in mobile phone, onboard navigation system, the car, obtained using widely, greatly facilitate the user that those are ignorant of computation, bring brand-new user to experience.
According to principle of work with detect medium different of touch information, touch-screen roughly is divided into resistance-type, condenser type, infrared-type, surface acoustic wave four classes, and wherein capacitive touch screen becomes the touch-screen of present main flow because characteristics such as its life-span length, transmittance height.The capacitive touch screen structure mainly contains double glazing (GG) structure and single-glass (OGS) structure two classes, wherein the OGS structure is with respect to the touch-screen of GG structure, because it has reduced one deck glass, not only reduce cost, alleviated weight, increased penetrability, and lacked bonding process one time at processing procedure, be conducive to improve the product yield, become the main flow of following touch-screen with replacing the GG structure gradually.Yet existing OGS touch-screen be its and arranged on left and right sides respectively cabling realize being connected of induction electrode and control circuit, therefore need reduce effective display size of touch-screen at touch-screen both sides reservation cabling space.
The utility model content
In view of this, provide a kind of capacitive touch screen with big effective display size.
A kind of capacitive touch screen, comprise substrate and be formed at induction electrode layer on the substrate, described substrate is rectangle, vertical width of substrate is greater than transverse width, described induction electrode layer comprises some first induction electrodes and second induction electrode, described first induction electrode and second induction electrode are laterally alternately arranged along substrate, width vertically the gradually changing along substrate of each first induction electrode and second induction electrode.
Further, the width of described first induction electrode vertically reduces gradually along substrate, and the width of described second induction electrode vertically increases gradually along substrate.
Further, described first induction electrode and second induction electrode all are trapezoidal.
Further, described first induction electrode and second induction electrode are isosceles trapezoid or right-angled trapezium.
Further, described first induction electrode and second induction electrode are triangle.
Further, described first induction electrode and second induction electrode are isosceles triangle or right-angle triangle.
Further, also comprise the circuit board of the cross side of being located at substrate, cabling is connected towards the end extension of circuit board and with described circuit board by described first induction electrode, second induction electrode.
Further, described cabling is ITO.
Further, described first induction electrode and second induction electrode are ITO.
Further, described substrate is glass substrate.
Compared with prior art, the utility model capacitive touch screen since its first induction electrode, second induction electrode along the longitudinal extension setting of substrate, need not the and arranged on left and right sides cabling at substrate, therefore under same size, have bigger effective display size compared to traditional touch-screen.
Description of drawings
Fig. 1 is the structural representation of the utility model capacitive touch screen one embodiment.
Fig. 2 is the structural representation of the induction electrode layer of capacitive touch screen shown in Figure 1.
The main element symbol description
| Substrate | 10 |
| The induction electrode layer | 30 |
| First induction electrode | 32 |
| Second induction electrode | 34 |
| Circuit board | 50 |
| Cabling | 70 |
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
Figure 1 shows that the structural representation of an embodiment of the utility model capacitive touch screen, described capacitive touch screen is the single-glass board structure, be OGS (one glass solution) structure, comprise transparent glass substrate 10 and be pressed on circuit board 50 on the described substrate 10.
Please consult Fig. 2 simultaneously, described substrate 10 is rectangle, and its upper and lower both sides are defined as the cross side of substrate 10, and and arranged on left and right sides is defined as vertical side of substrate 10, and wherein the width of cross side is less than the width of vertical side.Be formed with induction electrode layer 30 on the described substrate 10, described induction electrode layer 30 electrically connects with circuit board 50.In the present embodiment, described circuit board 50 is flexible PCB 50 (FPC, flexible printed board), is pressed on the downside of substrate 10.
Described induction electrode layer 30 is transparent conductive patterns, is generally indium tin oxide target (ITO) film.In the present embodiment, described induction electrode layer 30 comprises some first induction electrodes 32 and second induction electrode 34, described first induction electrode 32 and second induction electrode 34 are along the longitudinal extension of substrate 10, be slim-lined construction, be arranged alternately along horizontal described first induction electrode 32 and second induction electrode, 34 spaces of substrate 10.The downside of each first induction electrode 32 and second induction electrode 34 outwards is formed with cabling 70 and electrically connects with circuit board 50, preferably, described cabling 70 is ITO, in use, described first induction electrode 32, second induction electrode 34 are as the sensor of touch-screen, become corresponding signal to pass to IC on the circuit board 50 user's operational transition, realize controlling machine.
In the present embodiment, described first induction electrode 32 and second induction electrode 34 all are isosceles trapezoid, the width of wherein said first induction electrode 32 is vertically reduced towards substrate 10 downsides by substrate 10 upsides gradually along substrate 10, and the width of second induction electrode 34 increases towards the downside of substrate 10 gradually along vertical upside by substrate 10 of substrate 10.In other embodiments, described first induction electrode 32 and second induction electrode 34 also can be other shape, as right-angled trapezium, perhaps also can be triangle, as right-angle triangle or isosceles triangle.
The utility model capacitive touch screen is because its first induction electrode 32, second induction electrode 34 extends longitudinally setting, circuit board 50 is positioned at first induction electrode 32, the downside of second induction electrode 34, only need from first induction electrode 32, the downside cabling 70 of second induction electrode 34 can with circuit board 50 on IC realize to electrically connect, therefore need not the left side at substrate 10, right both sides cabling 70, thereby the left side of substrate 10, right both sides need not cabling space, therefore under same size, the utility model capacitive touch screen has bigger window area compared to traditional touch-screen, that is to say to have bigger effective display size.In addition, because the and arranged on left and right sides of substrate 10 need not cabling 70, so the user can not produce with cabling 70 and disturb when gripping touch-screen, effectively promotes the sensitivity of the induction of the utility model capacitive touch screen.
The above only is preferable possible embodiments of the present utility model, and is non-so namely limit to claim of the present utility model, and the equivalent structure that uses the utility model instructions and accompanying drawing content to do such as changes, and all reason is with being contained in the scope of the present utility model.
Claims (10)
1. capacitive touch screen, comprise transparency carrier and be formed at induction electrode layer on the substrate, it is characterized in that: described substrate is rectangle, vertical width of substrate is greater than transverse width, described induction electrode layer comprises some first induction electrodes and second induction electrode, described first induction electrode and second induction electrode are laterally alternately arranged along substrate, width vertically the gradually changing along substrate of each first induction electrode and second induction electrode.
2. capacitive touch screen as claimed in claim 1, it is characterized in that: the width of described first induction electrode vertically reduces gradually along substrate, and the width of described second induction electrode vertically increases gradually along substrate.
3. capacitive touch screen as claimed in claim 2, it is characterized in that: described first induction electrode and second induction electrode all are trapezoidal.
4. capacitive touch screen as claimed in claim 3, it is characterized in that: described first induction electrode and second induction electrode are isosceles trapezoid or right-angled trapezium.
5. capacitive touch screen as claimed in claim 2, it is characterized in that: described first induction electrode and second induction electrode are triangle.
6. capacitive touch screen as claimed in claim 3, it is characterized in that: described first induction electrode and second induction electrode are isosceles triangle or right-angle triangle.
7. as any described capacitive touch screen of claim 1 to 6, it is characterized in that: also comprise the circuit board of the cross side of being located at substrate, cabling is connected towards the end extension of circuit board and with described circuit board by described first induction electrode, second induction electrode.
8. capacitive touch screen as claimed in claim 7, it is characterized in that: described cabling is ITO.
9. capacitive touch screen as claimed in claim 1, it is characterized in that: described first induction electrode and second induction electrode are ITO.
10. capacitive touch screen as claimed in claim 1, it is characterized in that: described substrate is glass substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320031591 CN203054804U (en) | 2013-01-18 | 2013-01-18 | Capacitor-type touch screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320031591 CN203054804U (en) | 2013-01-18 | 2013-01-18 | Capacitor-type touch screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203054804U true CN203054804U (en) | 2013-07-10 |
Family
ID=48737736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320031591 Expired - Lifetime CN203054804U (en) | 2013-01-18 | 2013-01-18 | Capacitor-type touch screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203054804U (en) |
-
2013
- 2013-01-18 CN CN 201320031591 patent/CN203054804U/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: 20130710 |