CN202145303U - Capacitance touch screen - Google Patents
Capacitance touch screen Download PDFInfo
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- CN202145303U CN202145303U CN201120203197U CN201120203197U CN202145303U CN 202145303 U CN202145303 U CN 202145303U CN 201120203197 U CN201120203197 U CN 201120203197U CN 201120203197 U CN201120203197 U CN 201120203197U CN 202145303 U CN202145303 U CN 202145303U
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- angle triangle
- touch screen
- area
- capacitive touch
- conductive material
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Abstract
The utility model discloses a capacitance touch screen, comprising: conductive materials disposed at the upper surface of a substrate, a first right angled triangular electrode array formed by the conductive materials, distributed and arranged in a first direction and a second direction mutually vertical to each other, and insulated, first right angled triangular electrodes arranged in the first direction and in the same row are communicated via the conductive materials, first right angled triangular electrodes arranged in the second direction and in the same column are communicated via metal wires, and each first right angled triangular electrode forms a capacitance unit. Via the technical scheme of the capacitance touch screen in the utility model, coupling capacitance between electrodes is effectively reduced, and a special touch control zone is designed at the periphery, via change of finger touch control capacitance, special touch control function of a special point is realized, IC performance is optimized, and product competitiveness is improved.
Description
Technical field
The utility model relates to the touch sensible input media, particularly relates to a kind of capacitive touch screen.
Background technology
Since the apple series mobile phone of apple release in 2007, lead the design agitation of Touch Screen technological revolution and humanization interface immediately, because apple is broken at technological distal process, contact panel has become scientific and technological industry to have the new subject matter of growth.People are more and more for the contact of touch screen product, approved by more people also that speed of development was accelerated gradually in nearly 2 years.Touch-screen is grown up rapidly, has not only evoked fierce more industry competition, has also promoted technological development indirectly, and the mode of operation of its multi-point touch has risen to a new height to the influence power of touch-screen product especially, is also paid close attention to by people gradually.
According to the principle of work of the touch-screen medium with transmission information, touch-screen can be divided into four kinds, is respectively resistance-type, capacitor induction type, infrared-type and surface acoustic wave type.Capacitive touch screen is with its unique touch-control principle; Rely on that it has that touch-control is highly sensitive, long service life, transmittance is strong and series of advantages such as multi-point touch; Therefore become the new lover who pursues in the industry always, how to design the primary goal that high-performance, cost is low, performance is good capacitive touch screen will become in the future each big touch technology manufacturer.
The utility model content
To the above-mentioned technical matters that prior art exists, the utility model provides a kind of high-performance, cost is low, performance is good capacitive touch screen.
A kind of capacitive touch screen; Comprise: the conductive material that is arranged at upper surface of base plate; By said conductive material be formed in two orthogonal first directions and second direction is arranged evenly and the insulation the first right-angle triangle electrode array; Each the first right-angle triangle electrode that is arranged in said first direction and is positioned at same row is interconnected by said conductive material; Each the first right-angle triangle electrode that is arranged in said second direction and is positioned at same row is interconnected through metal wire, and said each first right-angle triangle electrode constitutes a capacitor cell.
A kind of capacitive touch screen that adopts the utility model to provide has the following advantages:
The utility model is through the design alteration to conductive material layer; Proposed a kind of circuit of triangular design, the utility model has been done new design to patterns of conductive materials, and this design can reduce the coupling capacitance of adjacent conductive storeroom to greatest extent; Through changing the finger touch changes in capacitance; Thereby realize the special touch controllable function of particular point, optimize the IC performance, improve product competitiveness.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment one;
Fig. 2 is the section of structure of the utility model embodiment one;
Fig. 3 is the enlarged drawing of A part among Fig. 1.
Embodiment
The utility model a kind of high-performance, cost is low, performance is good capacitive touch screen be provided.
A kind of capacitive touch screen; Comprise: the conductive material that is arranged at upper surface of base plate; By said conductive material be formed in two orthogonal first directions and second direction is arranged evenly and the insulation the first right-angle triangle electrode array; Each the first right-angle triangle electrode that is arranged in said first direction and is positioned at same row is interconnected by said conductive material; Each the first right-angle triangle electrode that is arranged in said second direction and is positioned at same row is interconnected through metal wire, and said each first right-angle triangle electrode constitutes a capacitor cell.
Be provided with isolated area at least one first right-angle triangle; The area of said isolated area is less than said first right-angle triangle.
Said isolated area be shaped as second right-angle triangle, said second square and said first right-angle triangle be hypotenuse altogether.
In the first relative right-angle triangle of at least two hypotenuses, said second right-angle triangle is set all.
In the first relative right-angle triangle of at least two hypotenuses, said second right-angle triangle is set all.
The hypotenuse of said second right-angle triangle is arranged on the first hypotenuse center section.
The Touch Zone body is made up of normal touch area and special touch area;
Said special touch area is to be made up of the first triangular-shaped electrodes array battle array that is provided with said isolated area;
Said normal touch area is that all the other first triangular-shaped electrodes arrays constitute,
Said special touch area is to be made up of the first triangular-shaped electrodes array battle array that at least one row or delegation are provided with said isolated area;
The said isolated area that is arranged in said special touch area is provided with the conductive material of isolating the first relative right-angle triangle of said two hypotenuses.
Said conductive material is ITO.
A kind of capacitive touch screen of introducing the utility model in detail and provided with a preferred embodiment below, and embodiment such as Fig. 1 are to shown in Figure 3.
Shown in Figure 1 is the structural representation of embodiment one; A kind of capacitive touch screen; Comprise: the conductive material that is arranged at glass substrate 6 (with reference to Fig. 2) upper surface; By said conductive material be formed in two orthogonal first directions and second direction is arranged evenly and the insulation first right-angle triangle, 3 electrode arrays; Each first right-angle triangle, 3 electrode that is arranged in said first direction and is positioned at same row are interconnected by said conductive material, and each first right-angle triangle, 3 electrode that is arranged in said second direction and is positioned at same row are interconnected through metal wire 5, and insulation course 4 is arranged on the conductive material ITO3; And each first right-angle triangle, 3 electrode constitutes a capacitor cell, is provided with second right-angle triangle 9 at least one first right-angle triangle 3; The hypotenuse of second right-angle triangle 9 and first right-angle triangle 3 be hypotenuse altogether, and area is less than first right-angle triangle 3.
In the first relative right-angle triangle 3 of at least two hypotenuses, said second right-angle triangle 9 is set all.
The hypotenuse of said second right-angle triangle 9 is arranged on first right-angle triangle, 3 hypotenuse center sections.
The Touch Zone body is made up of normal touch area 1 and special touch area 2; Special touch area 2 is to be made up of for 3 gusts the first right-angle triangle electrode array that is provided with second right-angle triangle 9; Normal touch area 1 is that all the other first right-angle triangle, 3 electrode arrays constitute, and special touch area 2 is to be made up of for 3 gusts the first right-angle triangle electrode array that row and delegation are provided with second triangle 9;
Second right-angle triangle 9 that is arranged in special touch area 2 is provided with the conductive material of isolating the first relative right-angle triangle of said two hypotenuses, and conductive material is indium tin oxide ITO.
Fig. 2 is the structure cut-open view of embodiment one; Blow-out disc 7, glass substrate 6 and transparent conductive material ITO; Glass substrate 6 bottom surfaces are coated with one deck blow-out disc 7, sputtering sedimentation transparent conductive material ITO layer on the glass substrate 6, and conductive material ITO layer is provided with insulation course 4; Between conductive material ITO electrode on the second direction through being arranged at the metal wire 5 on the insulation course 4, the ITO layer is provided with polymerized organics OC8.
Fig. 3 is the enlarged drawing of A part among the embodiment one; The hypotenuse of second right-angle triangle 9 and first right-angle triangle 3 be hypotenuse altogether; And area is less than first right-angle triangle 3; In normal touch area 1 first right-angle triangle, 3 electrode area S1 greater than special touch area 2 in first right-angle triangle, 3 areas deduct the difference S2 of second right-angle triangle, 9 areas, each right-angle triangle three limit becomes three Inductance and Capacitance C1s, C2, C3 with adjacent right-angle triangle electrode on every side, so effective coupling capacitance that reduces between ITO; Through the different finger touch changes in capacitance that change of touch-control area; Cooperate the IC algorithm simultaneously, set out the touch control manner of difference in functionality, realize general point touch page turning to file, broadcast and to the amplification of picture with function such as dwindle.
In addition, the utility model can also be made following several kinds of variations as required:
The hypotenuse that 9, two second right-angle triangles 9 of a plurality of second right-angle triangles all are set in the first relative right-angle triangle 3 of at least two hypotenuses is arranged on first right-angle triangle, 3 hypotenuses.
The Touch Zone body is made up of normal touch area 1 and special touch area 2; Special touch area 2 is to be made up of for 3 gusts the first right-angle triangle electrode array that is provided with second right-angle triangle 9; Normal touch area 1 is that all the other first right-angle triangle, 3 electrode arrays constitute; Special touch area 2 is to be made up of for 3 gusts the first right-angle triangle electrode array that multiple row or multirow are provided with second right-angle triangle 9, and special touch area 2 is arranged on peripheral position around normal touch area 1.In addition, also can be arranged at the centre position of normal touch area 1.
Adopt the technical scheme of the utility model, compared with prior art, have following advantage:
Change the design configuration structure of classic diamond shape ITO; Adopt triangular design, effectively reduce the coupling capacitance between figure, design special touch area at periphery simultaneously; Through changing the finger touch changes in capacitance; Thereby realize the special touch controllable function of particular point, optimize the IC performance, improve product competitiveness.
Obviously, those skilled in the art can carry out various changes and modification to the utility model and not break away from the spirit and the scope of the utility model.Like this, belong within the scope of the utility model claim and equivalent technologies thereof if these of the utility model are revised with modification, then the utility model also is intended to comprise these changes and modification interior.
Claims (10)
1. capacitive touch screen; Comprise: the conductive material that is arranged at upper surface of base plate; It is characterized in that; By said conductive material be formed in two orthogonal first directions and second direction is arranged evenly and the insulation the first right-angle triangle electrode array; Each the first right-angle triangle electrode that is arranged in said first direction and is positioned at same row is interconnected by said conductive material, and each the first right-angle triangle electrode that is arranged in said second direction and is positioned at same row is interconnected through metal wire, and said each first right-angle triangle electrode constitutes a capacitor cell.
2. a kind of capacitive touch screen as claimed in claim 1 is characterized in that, is provided with isolated area at least one first right-angle triangle; The area of said isolated area is less than said first right-angle triangle.
3. a kind of capacitive touch screen as claimed in claim 2 is characterized in that, said isolated area be shaped as second right-angle triangle, said second square and said first right-angle triangle be hypotenuse altogether.
4. a kind of capacitive touch screen as claimed in claim 1 is characterized in that, in the first relative right-angle triangle of at least two hypotenuses, said second right-angle triangle is set all.
5. a kind of capacitive touch screen as claimed in claim 4 is characterized in that, in the first relative right-angle triangle of at least two hypotenuses, said second right-angle triangle is set all.
6. a kind of capacitive touch screen as claimed in claim 5 is characterized in that the hypotenuse of said second right-angle triangle is positioned at the middle part of said first hypotenuse.
7. a kind of capacitive touch screen as claimed in claim 2 is characterized in that, comprises normal touch area and special touch area;
Said special touch area is to be made up of each the first right-angle triangle electrode array that includes said isolated area;
Said normal touch area is to be made up of all the other first right-angle triangle electrode arrays that do not comprise said isolated area.
8. a kind of capacitive touch screen as claimed in claim 7 is characterized in that, said special touch area is to be made up of each first right-angle triangle electrode array that at least one row or delegation include said isolated area.
9. a kind of capacitive touch screen as claimed in claim 8 is characterized in that, the said isolated area that is arranged in said special touch area is provided with the conductive material of isolating the first relative right-angle triangle of said two hypotenuses.
10. like claim 1 or 9 described a kind of capacitive touch screens, it is characterized in that said conductive material is ITO.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120203197U CN202145303U (en) | 2011-06-16 | 2011-06-16 | Capacitance touch screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120203197U CN202145303U (en) | 2011-06-16 | 2011-06-16 | Capacitance touch screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202145303U true CN202145303U (en) | 2012-02-15 |
Family
ID=45581233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120203197U Expired - Lifetime CN202145303U (en) | 2011-06-16 | 2011-06-16 | Capacitance touch screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202145303U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104216590A (en) * | 2014-09-05 | 2014-12-17 | 深圳市中兴移动通信有限公司 | Mobile terminal and operating method thereof |
-
2011
- 2011-06-16 CN CN201120203197U patent/CN202145303U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104216590A (en) * | 2014-09-05 | 2014-12-17 | 深圳市中兴移动通信有限公司 | Mobile terminal and operating method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: BEIJING BOE PHOTOELECTRICITY SCIENCE + TECHNOLOGY Effective date: 20150707 Owner name: JINGDONGFANG SCIENCE AND TECHNOLOGY GROUP CO., LTD Free format text: FORMER OWNER: BEIJING BOE PHOTOELECTRICITY SCIENCE + TECHNOLOGY CO., LTD. Effective date: 20150707 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150707 Address after: 100015 Jiuxianqiao Road, Beijing, No. 10, No. Patentee after: BOE Technology Group Co., Ltd. Patentee after: Beijing BOE Photoelectricity Science & Technology Co., Ltd. Address before: 100176 Beijing city in Western Daxing District economic and Technological Development Zone, Road No. 8 Patentee before: Beijing BOE Photoelectricity Science & Technology Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120215 |