CN101989158A - Capacitive touch panel - Google Patents
Capacitive touch panel Download PDFInfo
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- CN101989158A CN101989158A CN200910160887XA CN200910160887A CN101989158A CN 101989158 A CN101989158 A CN 101989158A CN 200910160887X A CN200910160887X A CN 200910160887XA CN 200910160887 A CN200910160887 A CN 200910160887A CN 101989158 A CN101989158 A CN 101989158A
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- touch
- control sensing
- capacitance type
- sensing electrode
- control
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Abstract
The invention provides a capacitive touch panel. The capacitive touch panel comprises a substrate, a touch sensing zone and a wiring zone, wherein the touch sensing zone is formed on the substrate and comprises multiple touch sensing electrodes; the wiring zone is adjacent to the touch sensing zone and comprises wires and a covering layer covering the wiring zone; and the covering layer comprises contact holes, and the touch sensing electrodes extend towards and pass through the contact holes and are electrically connected with the wires. The capacitive touch panel in the invention has more accurate edge control.
Description
Technical field
The present invention relates to a kind of capacitance type touch-control panel, relate in particular to a kind of edge touch-control capacitance type touch-control panel comparatively accurately.
Background technology
In various consumption electronic products market now, personal digital assistant (personal digitalassistant, PDA), mobile phone (mobile phone) and portable computer portable electronic products such as (notebook) and even all used contact panel (touchpanel) to link up interface facility gradually as the data between user and electronic installation at personal computer, digital appliance system.When using contact panel, the user can directly operate and assign instruction by the object that shows on the panel, therefore can provide the user more humane operation-interface.In addition the design of electronic product all with light, thin, short, little be direction, wish to save the space that is provided with as traditional input medias such as button, keyboard, mouses in product design, the display device of the touch panel of therefore arranging in pairs or groups becomes one of crucial zero element of various electronic product gradually.
Existing contact panel can generally be divided into the contact panel of condenser type (capacitive), resistance-type (resistive) or fluctuation formula (wave) according to its detecting mode, and it has different relative merits and suitable application area separately.Electric resistance touch-control panel normally is formed by stacking by upper and lower two groups of transparent conductive films, and the user pushes touching and the time makes its upper and lower electrode conduction, the position that can calculate touch points by the measurement of its change in voltage.The contact panel of fluctuation formula then normally is provided with fluctuation sources in the X-axis of panel and a side of Y-axis, normally infrared ray or ultrasound wave, and reception sources is set at opposite side, when the user touches, its waveform promptly is interfered, and this jamming pattern is received the source perception and can calculates touch position.Capacitance type touch-control panel then normally provides uniform electric field in four corners of panel, and utilizes the user to touch the caused capacitance variations in back and detect input coordinate.General capacitance type touch-control panel is owing to have dustproofly, high temperature resistant, and therefore and advantage that can multi-point touch is widely used in various electronics portable type products.
In order accurately to judge touch position, capacitance type touch-control panel needs enough induction electrodes usually at the induction position of touch, but the capacitance type touch-control panel of prior art is because the reason on the graphic designs, usually cause the induction electrode of edge can't arrange complete, cause the place, corresponding edge that the dead angle is arranged easily, thereby the place, corresponding edge can't respond to touch-control.All design at the window upper right corner or edge and amplify the towing key that dwindles or go up nextpage, cause very inconvenience in the operation so usually for the close of application software (such as windows or office etc.) commonly used.
Summary of the invention
The object of the present invention is to provide a kind of edge touch-control capacitance type touch-control panel comparatively accurately.
The object of the invention to solve the technical problems is to adopt following technical scheme to realize.
A kind of capacitance type touch-control panel, it comprises a substrate, touch-control sensing zone and a wiring zone.This touch-control sensing zone is formed at this substrate, and it comprises a plurality of touch-control sensing electrodes.This adjacent this touch-control sensing zone, wiring zone, it comprises lead and is covered in the overlayer in this wiring zone.This overlayer comprises contact hole, and the touch-control sensing electrode electrically connects to the extension of wiring zone and by contact hole and lead.
The shape of described outward extending touch-control sensing electrode can be one dimension, two dimension or multidimensional.
The area ratio scope of each the touch-control sensing electrode in described outward extending each touch-control sensing electrode area and the touch-control sensing zone is between 0 to 100%, and wherein a preferable area ratio is 50%.
Described outward extending touch-control sensing electrode be shaped as rectangle, rhombus, circle or polygon.If when being polygon, it is that regular polygon is better.
The present invention is with the accurate touch control operation at induced edge place of the touch-control sensing electrode doing outward extending action in the design of the touch-control sensing electrode shape at capacitance type touch-control panel edge, make to be positioned at edge, thus the touch-control sensing dead angle of having eliminated edge.This measure brings more convenience for the operation of numerous application software (such as windows or office etc.).
Above-mentioned explanation only is the general introduction of technical solution of the present invention, for can clearer understanding technological means of the present invention, and can be implemented according to the content of instructions, and for above-mentioned and other purposes, feature and advantage of the present invention can be become apparent, below especially exemplified by preferred embodiment, and conjunction with figs., be described in detail as follows.
Description of drawings
Fig. 1 is the planar structure synoptic diagram of the capacitance type touch-control panel of first embodiment of the invention.
Fig. 2 is the side schematic view of capacitance type touch-control panel shown in Figure 1.
Fig. 3 is the planar structure synoptic diagram of the capacitance type touch-control panel of second embodiment of the invention.
Fig. 4 is the planar structure synoptic diagram of the capacitance type touch-control panel of third embodiment of the invention
Fig. 5 is the planar structure synoptic diagram of the capacitance type touch-control panel of four embodiment of the invention
Embodiment
Reach technological means and the effect that predetermined goal of the invention is taked for further setting forth the present invention, below in conjunction with accompanying drawing and preferred embodiment, to capacitance type touch-control panel embodiment, structure, feature and the effect thereof that foundation the present invention proposes, describe in detail as after.
See also Fig. 1 and Fig. 2, Fig. 1 is the planar structure synoptic diagram of the capacitance type touch-control panel 1 of first embodiment of the invention, and Fig. 2 is the side schematic view of capacitance type touch-control panel 1 shown in Figure 1.
The capacitance type touch-control panel 1 of first embodiment of the invention mainly comprises a substrate 100,10 and one wiring zone 11, touch-control sensing zone.This substrate 100 is generally hard transparent plate, for example transparency glass plate, acrylic plate etc.This touch-control sensing zone 10 is formed on this substrate 100, and its effect mainly is to detect the coordinate that is subjected to position of touch.
This touch-control sensing zone 10 is distributed with a plurality of touch-control sensing electrodes 102, this capacitance type touch-control panel 1 main position that relies on these touch-control sensing electrodes 102 to judge touch point.This wiring zone 11 is positioned at this substrate 100 peripheral positions, and with these touch-control sensing zone 10 adjacency, be distributed with the overlayer 116 that many strip metals lead 114 and covers this plain conductor 114 on it, this overlayer 116 is generally insulating material.
Touch-control sensing electrode 102 in this touch-control sensing zone 10 is evenly distributed, and the touch-control sensing electrode 102 that wherein is positioned at these touch-control sensing zone 10 edges extends to this wiring zone 11.In the present embodiment, extend into the rhombus that is shaped as of touch-control sensing electrode 102 in this wiring zone 11, and outward extending each touch-control sensing electrode 102 area are less than the area of each the touch-control sensing electrode 102 in this touch-control sensing zone 10.
This overlayer 116 covers the surface in this wiring zone 11, and it comprises one or more contact holes 115 that run through this overlayer 116.The plain conductor 114 that is positioned at this wiring zone 11 and is covered by this overlayer 116 passes this contact hole 116, and electrically connects with outward extending touch-control sensing electrode 102, thereby can carry the voltage that forms uniform electric field.
In the present embodiment, do outward extending action on touch-control sensing electrode 102 shaped design with capacitance type touch-control panel 1 edge, make the accurate touch control operation at induced edge place of touch-control sensing electrode 102 be positioned at edge, thus the touch-control sensing dead angle of having eliminated edge.This measure brings more convenience for the operation of numerous application software (such as windows or office etc.).
See also Fig. 3, the capacitance type touch-control panel 2 of second embodiment of the invention is structurally similar to the capacitance type touch-control panel 1 of first embodiment, its key distinction is, extend into the rectangle that is shaped as of touch-control sensing electrode 202 in the wiring zone 21 in the capacitance type touch-control panel 2 of this second embodiment, and outward extending each touch-control sensing electrode 202 area are greater than the area of each the touch-control sensing electrode 202 in the touch-control sensing zone 20.Need to prove, it is described that capacitance type touch-control panel 2 of the present invention is not limited to present embodiment, such as, outward extending each touch-control sensing electrode 202 area also can equal the area of each the touch-control sensing electrode 202 in the touch-control sensing zone 20, the area ratio scope that is each touch-control sensing electrode 202 in outward extending each touch-control sensing electrode 202 and the touch-control sensing zone 20 is between 0 to 100%, and wherein a preferable area ratio is 50%.
See also Fig. 4, the capacitance type touch-control panel 3 of third embodiment of the invention is structurally similar to the capacitance type touch-control panel 1 of first embodiment, its key distinction is, extends into the circle that is shaped as of touch-control sensing electrode 302 in the wiring zone 31 in the capacitance type touch-control panel 3 of the 3rd embodiment.
See also Fig. 5, the capacitance type touch-control panel 4 of four embodiment of the invention is structurally similar to the capacitance type touch-control panel 1 of first embodiment, its key distinction is, extends into the polygon that is shaped as of touch-control sensing electrode 402 in the wiring zone 41 in the capacitance type touch-control panel 4 of the 4th embodiment.Wherein, this polygon one is preferable is designed to regular polygon.
In the capacitance type touch- control panel 1,2,3,4 of the respective embodiments described above, shape to the regional touch-control sensing electrode that extends of correspondence wiring not only can be one dimension, its shape can be two dimension even multidimensional equally, perhaps mix and match can be done reasonable variation according to the product design needs of capacitance type touch-control panel.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, though the present invention discloses as above with preferred embodiment, yet be not in order to limit the present invention, any those skilled in the art, in not breaking away from the technical solution of the present invention scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be not break away from the technical solution of the present invention content, according to technical spirit of the present invention to any simple modification that above embodiment did, equivalent variations and modification all still belong in the scope of technical solution of the present invention.
Claims (10)
1. capacitance type touch-control panel is characterized in that comprising:
One substrate;
One is formed at the touch-control sensing zone of this substrate, and it comprises a plurality of touch-control sensing electrodes; With
The wiring zone in one adjacent this touch-control sensing zone, it comprises lead and is covered in the overlayer in this wiring zone;
Wherein, overlayer comprises contact hole, and the touch-control sensing electrode electrically connects to the extension of wiring zone and by contact hole and lead.
2. capacitance type touch-control panel as claimed in claim 1 is characterized in that the one dimension that is shaped as of wherein outward extending touch-control sensing electrode.
3. capacitance type touch-control panel as claimed in claim 1 is characterized in that the two dimension that is shaped as of wherein outward extending touch-control sensing electrode.
4. capacitance type touch-control panel as claimed in claim 1 is characterized in that the multidimensional that is shaped as of wherein outward extending touch-control sensing electrode.
5. capacitance type touch-control panel as claimed in claim 1 is characterized in that wherein outward extending each touch-control sensing electrode area is less than or equal to the area of each the touch-control sensing electrode in the touch-control sensing zone.
6. capacitance type touch-control panel as claimed in claim 5 is characterized in that the area ratio of each touch-control sensing electrode in wherein outward extending each touch-control sensing electrode and the touch-control sensing zone is 50%.
7. capacitance type touch-control panel as claimed in claim 1 is characterized in that the rectangle that is shaped as of wherein outward extending touch-control sensing electrode.
8. capacitance type touch-control panel as claimed in claim 1, what it is characterized in that wherein outward extending touch-control sensing electrode is shaped as rhombus or circle.
9. capacitance type touch-control panel as claimed in claim 1 is characterized in that the polygon that is shaped as of wherein outward extending touch-control sensing electrode.
10. capacitance type touch-control panel as claimed in claim 9 is characterized in that the regular polygon that is shaped as of wherein outward extending touch-control sensing electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910160887XA CN101989158A (en) | 2009-07-30 | 2009-07-30 | Capacitive touch panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910160887XA CN101989158A (en) | 2009-07-30 | 2009-07-30 | Capacitive touch panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101989158A true CN101989158A (en) | 2011-03-23 |
Family
ID=43745725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910160887XA Pending CN101989158A (en) | 2009-07-30 | 2009-07-30 | Capacitive touch panel |
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| Country | Link |
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| CN (1) | CN101989158A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102955603A (en) * | 2011-08-17 | 2013-03-06 | 宸鸿科技(厦门)有限公司 | Touch panel and manufacture method thereof |
| CN104516561A (en) * | 2013-09-29 | 2015-04-15 | 宸鸿光电科技股份有限公司 | Touch panel and touch display |
| CN104834407A (en) * | 2015-05-29 | 2015-08-12 | 合肥鑫晟光电科技有限公司 | Manufacturing method of touch panel, touch panel and display device |
| WO2016095441A1 (en) * | 2014-12-16 | 2016-06-23 | 京东方科技集团股份有限公司 | Touch panel and display device |
| CN105718127A (en) * | 2014-12-23 | 2016-06-29 | 辛纳普蒂克斯公司 | Routing for touch sensor electrodes |
| CN105912167A (en) * | 2016-04-15 | 2016-08-31 | 京东方科技集团股份有限公司 | Touch control module and manufacture method thereof, display panel and display device |
| CN107807755A (en) * | 2017-11-15 | 2018-03-16 | 维沃移动通信有限公司 | Adjust the method and device of touch-control block size on display panel |
| US10768758B2 (en) | 2018-06-12 | 2020-09-08 | Au Optronics Corporation | Touch display panel |
-
2009
- 2009-07-30 CN CN200910160887XA patent/CN101989158A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102955603A (en) * | 2011-08-17 | 2013-03-06 | 宸鸿科技(厦门)有限公司 | Touch panel and manufacture method thereof |
| CN104516561A (en) * | 2013-09-29 | 2015-04-15 | 宸鸿光电科技股份有限公司 | Touch panel and touch display |
| WO2016095441A1 (en) * | 2014-12-16 | 2016-06-23 | 京东方科技集团股份有限公司 | Touch panel and display device |
| CN105718127A (en) * | 2014-12-23 | 2016-06-29 | 辛纳普蒂克斯公司 | Routing for touch sensor electrodes |
| CN104834407A (en) * | 2015-05-29 | 2015-08-12 | 合肥鑫晟光电科技有限公司 | Manufacturing method of touch panel, touch panel and display device |
| US10592015B2 (en) | 2015-05-29 | 2020-03-17 | Boe Technology Group Co., Ltd. | Preparation method for touch panel, touch panel, and display device |
| CN105912167A (en) * | 2016-04-15 | 2016-08-31 | 京东方科技集团股份有限公司 | Touch control module and manufacture method thereof, display panel and display device |
| CN107807755A (en) * | 2017-11-15 | 2018-03-16 | 维沃移动通信有限公司 | Adjust the method and device of touch-control block size on display panel |
| US10768758B2 (en) | 2018-06-12 | 2020-09-08 | Au Optronics Corporation | Touch display panel |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20110323 |