CN102855046A - Pattern structure of monolayer multipoint capacitive screen sensor - Google Patents
Pattern structure of monolayer multipoint capacitive screen sensor Download PDFInfo
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- CN102855046A CN102855046A CN2012103772616A CN201210377261A CN102855046A CN 102855046 A CN102855046 A CN 102855046A CN 2012103772616 A CN2012103772616 A CN 2012103772616A CN 201210377261 A CN201210377261 A CN 201210377261A CN 102855046 A CN102855046 A CN 102855046A
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Abstract
The invention discloses a pattern structure of a monolayer multipoint capacitive screen sensor. A monolayer ITO (indium tin oxide) is provided with a plurality of drive electrode blocks, the edges of the drive electrode blocks are in a wave shape, and the adjacent drive electrode blocks in the same line are connected in series; and the monolayer ITO is provided with a plurality of induction electrode blocks at the same time, the edges of the induction electrode blocks are also in a wave shape, the induction electrode blocks in the same line are connected through a conducting wire, and a hollow electrode block is arranged between any adjacent drive electrode block and induction electrode block. According to the design of the pattern of the capacitive screen sensor, a designing scheme for realizing real multipoint touch of the monolayer ITO is provided for a capacitive screen, a metal layer, an insulating layer, a shielding layer and a protective layer are not needed, a conventional design that only single point and the gesture can be realized for the monolayer ITO is changed, under the condition of multi-finger touch, a coordinate point can be reported accurately and quickly, the touch effect of a double-layer ITO structure can be realized, and at the same time the production cost and the working processes are greatly reduced.
Description
Technical field
The present invention relates to touch screen structure, particularly a kind of patterning of individual layer multiple spot capacitance plate sensor.
Background technology
Smart mobile phone all can adopt capacitance touch screen at present, because capacitance touch screen can be realized direct man-machine conversation, and the major part that realizes this function is exactly the ITO(indium tin oxide of capacitance plate) the Sensor(sensor), ITO Sensor minute is mainly from structure: individual layer ITO Sensor and multilayer ITO Sensor, adopt the capacitance plate of individual layer ITO Sensor, can only realize single-point touches and some simple gesture identification, price is relatively cheap, IC adopts from capacitance type, multiplex market in comparing low side; And adopt the capacitance plate of multilayer ITO Sensor, and can realize multiple point touching, user's touch is decomposed into gathers multi-point signal and judge two work of significance signal, finish the judgement of compound action, IC adopts mutual capacitance type, and price is more expensive, and is multiplex in middle and high-end market.As: application number is the 201210048997.9(publication No.: Chinese patent CN102622130A) discloses the wire structures of a kind of individual layer ITO, this wire structures can only be realized false 2 points, namely can realize two point operations in most of zone, and can only the single-point operation in the horizontal direction or on the vertical direction, larger to the application restric-tion of mobile phone.
And the capacitance touch screen main product structure of multilayer ITO Sensor is double-deck ITO, or the two-layer line construction of individual layer ITO bridging formation, and one deck is for driving layer, and one deck is inductive layer, but it has certain disadvantages relatively:
1, cost is high: double-deck ITO structure: ITO line layer+glass substrate+ITO line layer+metal level+protective seam, and do four procedures at glass substrate and finish; Individual layer ITO bridging structure: protective seam+metal level+insulation course+ITO line layer+glass substrate+screen layer, do five processes at glass substrate and finish, and every procedure all needs to make the illumination mould, manufacturing cost is very high;
2, yield is low: above each procedure all needs electroplating technology to finish, and filming process is various, and manufacture craft is had very high requirement, and yield is relatively low like this;
3, outward appearance is restricted: the circuit cabling has certain requirement (generally wanting about 2.0mm) to the left and right side frame width of touch-screen.
Summary of the invention
Shortcoming for above-mentioned prior art; the capacitive touch screen that the purpose of this invention is to provide a kind of individual layer ITO structure; be that ITO Sensor only adopts individual layer ITO; need not metal level, insulation course, screen layer, protective seam; reduce cost; improve yield, reduce the border width of touch-screen, and realize multi-point touch.
For achieving the above object, the present invention takes following technical scheme, and a kind of patterning of individual layer multiple spot capacitance plate sensor is characterized in that: individual layer ITO is provided with some drive electrode pieces, the limit of drive electrode piece is wavy, samely lists adjacent drive electrode piece and is connected in series; Be provided with simultaneously some induction electrode pieces on the individual layer ITO, the limit of induction electrode piece also is wavy, links to each other by wire with the induction electrode piece in the delegation, and laying between any two adjacent driven electrode blocks and the induction electrode piece is free electrode block.
Described induction electrode piece connects and binds finger by the ITO wire.
Described ITO wire close sense is answered the edge of electrode block.
Described drive electrode piece intersects mutually with the induction electrode piece.
Described drive electrode piece is corresponding with the wave-like of induction electrode piece.
Described empty electrode block equates with the gap of drive electrode piece or induction electrode piece.
Advantage of the present invention is; by the design to the capacitance plate sensor pattern; for providing a kind of individual layer ITO, capacitive touch screen realizes the design proposal of true multiple point touching; need not metal level, insulation course, screen layer, protective seam; having changed in the past, individual layer ITO can only realize that single-point adds the conventional design of gesture; in the situation of many finger touch, can be accurately and quote fast coordinate points, can reach the touch effect of double-deck ITO structure.Simultaneously, manufacture cost and operation reduces greatly, for low-cost capacitive touch screen provides a kind of simple designs thinking and method.
Description of drawings
Fig. 1 is cross section structure synoptic diagram of the present invention.
Fig. 2 is ITO SENSOR line pattern synoptic diagram of the present invention.(touch-screen of different size has some driving row and some induction lines, and this figure only selects two driving row to amplify legend with two induction lines as the typical case.）
Fig. 3 is A place enlarged diagram among Fig. 2.
Among the figure: 1, cover plate, 2, the optical lens gelatin, 3, the ITO layer, 4, transparency carrier, 5, the binding finger, 6, the drive electrode piece, 7, empty electrode block, 8, the induction electrode piece, 9, flexible circuit board, 10, the ITO wire.
Embodiment
The invention will be further described below in conjunction with drawings and Examples, referring to Fig. 1 to Fig. 3, a kind of patterning of individual layer multiple spot capacitance plate sensor, it is characterized in that: individual layer ITO is provided with some drive electrode pieces 6, the limit of drive electrode piece 6 is wavy, samely lists adjacent drive electrode piece 6 and is connected in series; Be provided with simultaneously some induction electrode pieces 8 on the individual layer ITO, the limit of induction electrode piece 8 also is wavy, links to each other by wire with the induction electrode piece 8 in the delegation.Lay between any two adjacent driven electrode blocks 6 and the induction electrode piece 8 free electrode block 7 is arranged.
Described induction electrode piece 8 connects and binds finger 5 by ITO wire 10.
Described ITO wire 10 close senses are answered the edge of electrode block 8.
Described drive electrode piece 6 intersects mutually with induction electrode piece 8.
Described drive electrode piece 6 is corresponding with the wave-like of induction electrode piece 8.
Described empty electrode block 7 equates with the gap of drive electrode piece 6 or induction electrode piece 8.
The sensor patterns implementation that the present invention adopts is: whole touch area is divided into some row and columns, each is classified one as and drives channel (being connected to form at the same drive electrode piece 6 that lists), every delegation is provided with the as many induction electrode piece 8 of columns, and finally can be cascaded with the induction electrode piece 8 in the delegation forms an induction channel.Concrete connected mode is: each induction electrode piece 8 is linked corresponding binding finger 5 by the ITO line, flexible circuit board 9 is by ACF(anisotropic conductive film anisotropic conductive film) bind together with the ITO layer 3 of electroplating on transparency carrier 4, binding finger 5 is linked to each other with flexible circuit board 9 golden fingers, and pass through wire jumper in flexible circuit board 9, so that be connected together at the connecting terminals with the induction electrode piece 8 in the delegation.The touch area just is equivalent to form the ITO figure layer that covers whole screen by some driving row and some induction lines like this.
Embodiment:The present invention is a kind of patterning of individual layer multiple spot capacitance plate sensor, such as Fig. 1, by cover plate 1, optical lens gelatin 2, ITO layer 3 and transparency carrier 4 successively superimposed the composition:
(1) cover plate 1 is comprised of transparent glass substrate and ink for screen printing pattern.
(2) optical lens gelatin 2 is used for cover plate 1 and the transparency carrier 4 that is electroplate with ITO layer 3 are pasted together.
(3) ITO layer 3 is ITO sensor figure layer.
(4) transparency carrier 4 is clear glass.
Wherein sensor figure layer is comprised of binding finger 5, drive electrode piece 6, induction electrode piece 8, empty electrode block 7, ITO wire 10.Drive electrode piece 6 head and the tail directly link to each other and form electrodes series, and continuous with corresponding binding finger 5 by ITO wire 10 by the electrode block of least significant end, each induction electrode piece 8 is independently drawn ITO wire 10 and is connected to corresponding binding finger 5, binding finger 5 links to each other with flexible circuit board 9, by flexible circuit board 9 internal jumpers, finally be cascaded with the induction electrode piece in the delegation.Fill between drive electrode piece 6 and the induction electrode piece 8 free electrode block 7 is arranged, do not fill empty electrode block 7 between drive electrode piece 6 and the induction electrode piece 8 self, binding finger 5 is bound pressing with the binding finger of flexible circuit board 9 by ACF again, then itself and cover-plate glass 1 are fitted by optical lens gelatin 2, the common touch-screen product that forms is such as Fig. 2.
The present invention is the ITO Sensor structure of individual layer multiple spot, compares the three layers of material such as Sensor few one deck ITO layer, metal level and protective seam that adopt double-deck ITO structure; Sensor than ITO+ bridging structure has lacked protective seam, metal bridge layer or four layers of material such as ITO bridge layer, insulation course and screen layer, and cost is much lower; Owing to lacked multilayer dose, and every layer all need to electroplate and finish, and electroplating technique is more complicated and difficult to govern control, so the fine ratio of product of ITO Sensor will improve greatly; Only walk single line about the ITO Sensor structure of individual layer multiple spot is general, take border width about 0.5mm, the free space of leaving the client for is large, in the design wider adaptability is just arranged like this, has improved the appearance effect of mobile phone.
Claims (6)
1. the patterning of an individual layer multiple spot capacitance plate sensor, it is characterized in that: individual layer ITO is provided with some drive electrode pieces, and the limit of drive electrode piece is wavy, samely lists adjacent drive electrode piece and is connected in series; Be provided with simultaneously some induction electrode pieces on the individual layer ITO, the limit of induction electrode piece also is wavy, links to each other by wire with the induction electrode piece in the delegation, and laying between any two adjacent driven electrode blocks and the induction electrode piece is free electrode block.
2. the patterning of individual layer multiple spot capacitance plate sensor according to claim 1 is characterized in that: described induction electrode piece is connected to the binding finger by the ITO wire.
3. the patterning of individual layer multiple spot capacitance plate sensor according to claim 2, it is characterized in that: described ITO wire close sense is answered the edge of electrode block.
4. the patterning of individual layer multiple spot capacitance plate sensor according to claim 1, it is characterized in that: described drive electrode piece intersects mutually with the induction electrode piece.
5. the patterning of individual layer multiple spot capacitance plate sensor according to claim 1, it is characterized in that: described drive electrode piece is corresponding with the wave-like of induction electrode piece.
6. the patterning of individual layer multiple spot capacitance plate sensor according to claim 1, it is characterized in that: described empty electrode block equates with the gap of drive electrode piece or induction electrode piece.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012103772616A CN102855046A (en) | 2012-10-08 | 2012-10-08 | Pattern structure of monolayer multipoint capacitive screen sensor |
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| CN2012103772616A CN102855046A (en) | 2012-10-08 | 2012-10-08 | Pattern structure of monolayer multipoint capacitive screen sensor |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103092417A (en) * | 2013-01-22 | 2013-05-08 | 北京集创北方科技有限公司 | Single-layer multiple-point indium tin oxide (ITO) wiring structure |
| CN103105990A (en) * | 2013-01-25 | 2013-05-15 | 深圳市汇顶科技股份有限公司 | Monolayer capacitance touch sensor and touch control terminal |
| WO2015021617A1 (en) * | 2013-08-13 | 2015-02-19 | 深圳市华星光电技术有限公司 | Single-layered capacitive touch-control unit and capacitive touch screen |
| CN104391595A (en) * | 2014-09-10 | 2015-03-04 | 福建宝发光电科技集团有限公司 | Single-layer film structure touch screen respectively bonded with FPCs (printed circuit boards) at two ends and production process |
| CN104951123A (en) * | 2014-03-24 | 2015-09-30 | 株式会社日本显示器 | Sensor-equipped display device and sensor device |
| CN105426014A (en) * | 2015-12-31 | 2016-03-23 | 东莞市平波电子有限公司 | GF single-layer multi-touch frameless touch screen and preparation process thereof |
| CN105511681A (en) * | 2015-12-31 | 2016-04-20 | 东莞市平波电子有限公司 | GG monolayer multipoint borderless touch screen and preparation process thereof |
| CN105786270A (en) * | 2014-12-26 | 2016-07-20 | 纮康科技股份有限公司 | Capacitive touchpad and touch position calculation method of the capacitive touchpad |
| CN107066135A (en) * | 2015-12-11 | 2017-08-18 | G2触控股份有限公司 | Display device with embedded touch-screen and the method for detecting touch |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103092417B (en) * | 2013-01-22 | 2019-02-12 | 北京集创北方科技股份有限公司 | A kind of single layer multiple spot ITO wire structures |
| CN103092417A (en) * | 2013-01-22 | 2013-05-08 | 北京集创北方科技有限公司 | Single-layer multiple-point indium tin oxide (ITO) wiring structure |
| CN103105990B (en) * | 2013-01-25 | 2016-08-31 | 深圳市汇顶科技股份有限公司 | Individual layer capacitive touch screen and touch control terminal |
| CN103105990A (en) * | 2013-01-25 | 2013-05-15 | 深圳市汇顶科技股份有限公司 | Monolayer capacitance touch sensor and touch control terminal |
| WO2015021617A1 (en) * | 2013-08-13 | 2015-02-19 | 深圳市华星光电技术有限公司 | Single-layered capacitive touch-control unit and capacitive touch screen |
| CN104951123A (en) * | 2014-03-24 | 2015-09-30 | 株式会社日本显示器 | Sensor-equipped display device and sensor device |
| US9791973B2 (en) | 2014-03-24 | 2017-10-17 | Japan Display Inc. | Sensor-equipped display device and sensor device |
| CN104951123B (en) * | 2014-03-24 | 2018-06-15 | 株式会社日本显示器 | The display device and sensor device of belt sensor |
| CN104391595A (en) * | 2014-09-10 | 2015-03-04 | 福建宝发光电科技集团有限公司 | Single-layer film structure touch screen respectively bonded with FPCs (printed circuit boards) at two ends and production process |
| CN105786270A (en) * | 2014-12-26 | 2016-07-20 | 纮康科技股份有限公司 | Capacitive touchpad and touch position calculation method of the capacitive touchpad |
| CN105786270B (en) * | 2014-12-26 | 2018-11-20 | 纮康科技股份有限公司 | Capacitive touch control plate and its position of touch calculation method |
| CN107066135A (en) * | 2015-12-11 | 2017-08-18 | G2触控股份有限公司 | Display device with embedded touch-screen and the method for detecting touch |
| CN107066135B (en) * | 2015-12-11 | 2020-10-23 | G2触控股份有限公司 | Display device with embedded touch screen and method for detecting touch |
| CN105511681A (en) * | 2015-12-31 | 2016-04-20 | 东莞市平波电子有限公司 | GG monolayer multipoint borderless touch screen and preparation process thereof |
| CN105426014A (en) * | 2015-12-31 | 2016-03-23 | 东莞市平波电子有限公司 | GF single-layer multi-touch frameless touch screen and preparation process thereof |
| CN105511681B (en) * | 2015-12-31 | 2019-03-08 | 东莞市平波电子有限公司 | A kind of GG single layer multiple spot Rimless touch screen and its preparation process |
| CN105426014B (en) * | 2015-12-31 | 2019-03-08 | 东莞市平波电子有限公司 | A kind of GF single layer multiple spot Rimless touch screen and its preparation process |
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Address after: 330096 Nanchang high tech Development Zone, Jingdong Road, No. 1699, No. Applicant after: Jiangxi Lianchuang Electronic Co., Ltd. Address before: 330096 Nanchang high tech Development Zone, Jingdong Road, No. 1699, No. Applicant before: Jiangxi Lianchuang Electronic Co., Ltd. |
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Application publication date: 20130102 |