CN104123028A - Touch panel structure - Google Patents
Touch panel structure Download PDFInfo
- Publication number
- CN104123028A CN104123028A CN201310160756.8A CN201310160756A CN104123028A CN 104123028 A CN104123028 A CN 104123028A CN 201310160756 A CN201310160756 A CN 201310160756A CN 104123028 A CN104123028 A CN 104123028A
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- China
- Prior art keywords
- wiring section
- section
- main
- connecting portion
- induction electrode
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Abstract
The invention discloses a touch panel structure. The touch panel structure comprises an induction electrode and a signal transmission line, wherein the induction electrode is arranged on a substrate and comprises a main portion and a connecting portion, the main portion is electrically connected with the connecting portion, the signal transmission line comprises a main line segment and a connecting line segment, the connecting line segment is electrically connected with the main line segment and connected with the connecting portion and at least part of the main portion in an overlapping mode conductively, the line width of the end, electrically connected with the main line segment, of the connecting line segment is larger than that of the other end of the connecting line segment, and the line width of the connecting line segment gradually decreases. Therefore, the signal transmission line and the induction electrode can make effective contact to carry out signal transmission.
Description
Technical field
The present invention is relevant with a kind of touch technology, especially in regard to a kind of touch panel structure provided.
Background technology
Contact panel (Touch panel) has become the main flow design of various portable electronic devices, such as intelligent mobile phone, flat computer and notebook computer etc. now.User can directly carry out the running of operating electronic devices with finger or pointer touching contact panel, contact panel is as the interface between user and electronic installation.
General contact panel comprises induction electrode and signal transmission line.Wherein induction electrode comprises main part and connecting portion, and main part is used for detecting user's touch-control action, and connecting portion is used for being electrically connected with signal transmission line.By this, allow induction electrode be able to carry out signal transmission with controller by signal transmission line.
Yet, current contact panel during fabrication, easily because of the error of mechanical action, make the aligning accuracy of connecting portion of signal transmission line and induction electrode not good, so by cause signal transmission line and induction electrode between effective contact area decline, cause contact panel correctly to operate, this is the problem for contact panel technology urgently overcomes now.
Summary of the invention
In view of this, the invention provides a kind of new touch panel structure provided design, improvement design is carried out at its position that is overlapped in induction electrode at signal transmission line, the contraposition nargin that effectively promotes signal transmission line and induction electrode avoid signal transmission line and induction electrode between contact area occur because of the situation that fabrication errors factor declines.
According to one embodiment of the invention, it provides touch panel structure provided, and it comprises: an induction electrode, and be arranged on a substrate, and comprise a main part and a junction, wherein this main part and this connecting portion are electrically connected; An and signal transmission line, comprise a main section and a wiring section, wherein this wiring section is electrically connected this main section, and conducting be overlapped in this connecting portion and this at least part of main part, wherein this wiring section is greater than the live width of this wiring section other end in the live width that is electrically connected one end of this main section, and forms live width convergent aspect.
Therein in an embodiment, substrate is defined a viewing area and a pair of shaded areas that should viewing area, and the main body section of induction electrode is in this viewing area, and this connecting portion is in this shaded areas.
In an embodiment, the main part of induction electrode further lies along shaded areas therein.
In an embodiment, main section is positioned at shaded areas therein, and wiring section extends to viewing area from shaded areas.
In an embodiment, the wiring section of signal transmission line system makes with low-reflectivity metal material therein.
In an embodiment, wiring section is the extension of main section therein.
In an embodiment, the live width of the end of wiring section is less than the width of connecting portion therein.
In an embodiment, the width of wiring section end is less than the width of the connecting portion of induction electrode therein.
In an embodiment, the live width of the end of wiring section is less than 7 μ m therein.
Far and away, this classification of the present invention will become more obvious with other objects after the person of readding reads below with multiple graphic and the preferred embodiment specification specified of describing of drawing.
Accompanying drawing explanation
The part that this instructions has formed this instructions containing drawings attached Yu Wenzhong, makes the person of readding have further understanding to the embodiment of the present invention.Those graphic systems have described some embodiments of the invention and together with description herein, its principle have been described.In those are graphic:
Fig. 1 shows touch panel structure provided according to an embodiment of the invention top schematic diagram.
Fig. 2～4 show the touch panel structure provided top schematic diagram of other embodiments of the invention.
Must note all graphic legend character that is all in this instructions.For clear with facilitate graphic explanation therefore, each parts in graphic may be exaggerated or be presented with dwindling in size and ratio.Corresponding or similar feature after generally speaking identical reference symbol can be used for indicate revising in figure or in different embodiment.
Symbol description
100 substrates
100a viewing area
100b shaded areas
102 induction electrodes
102a main part
102b connecting portion
104 signal transmission lines
104a main section
104b wiring section
Embodiment
In details is below described, element numbers can be indicated in becomes some wherein in enclose graphic, and represents with the special case describing mode of practicable this embodiment.This class embodiment can illustrate enough details and the general skill personage in this field is implemented according to this.The person of readding must recognize in the present invention, also can utilize other embodiment or under the prerequisite that does not deviate from described embodiment, make structural, logicality and electrically on change.Therefore, details is below described will not want to be considered to be a kind of restriction, and anti-, the embodiment that wherein comprised is defined the claim by enclosing.
First please refer to Fig. 1, it schematically shows touch panel structure provided according to an embodiment of the invention top schematic diagram.As shown in Figure 1, touch panel structure provided induction electrode 102 and the signal transmission line 104 of comprising.Wherein, induction electrode 102 is arranged on substrate 100, and comprise the main part 102a and the connecting portion 102b that are electrically connected to each other, main part 102a is the touch-control action for sensing user, and connecting portion 102b is as the electric connection interface between main part 102a and signal transmission line 104.
Signal transmission line 104 comprises main section 104a and wiring section 104b, and wherein wiring section 104b is electrically connected main section 104a conducting and is overlapped in connecting portion 102b and at least part of main part 102a.In addition, wiring section 104b is the live width that is greater than the relative other end of wiring section 104 in the live width that is electrically connected one end of this main section 104a, and wiring section 104b is the aspect of formation live width convergent to the relative other end from the one end being electrically connected with main section 104a.In other words, wiring section 104b extends from main section 104a, and the live width of the end of wiring section 104b is to be less than wiring section 104b from the live width of the section start of main section 104a extension.In one embodiment, the end of wiring section 104b is the width that is less than connecting portion 102b.In another embodiment, the end of wiring section 104b is to be less than 7 μ m.
By this, in the contraposition and overlap joint processing procedure of signal transmission line 104 and induction electrode 102, when if the contraposition of wiring section 104b and connecting portion 102 is offset to some extent because of the error of mechanical action, the designed wiring section 104b of the present embodiment still possesses enough areas and contacts with induction electrode 102, does not have the situation generation that contact area declines.In other words, the design that is simultaneously overlapped in the wiring section 104b of connecting portion 102b and main part 102a can promote the contraposition nargin of signal transmission line 104 and induction electrode 102, even if having the wiring section 104b of part to fail effectively to contact with connecting portion 102b because of error during contraposition, be still still able to by reaching with contacting of main part 102a the effect that compensates contact area through the wiring section 104b of extending design.
The aforesaid substrate 100 of the present embodiment can be for example a transparency carrier; as the materials such as the tripoli glass with transparent or polymethylmethacrylate (PMMA) are made; and can be again through processing procedures such as strengthenings; allow substrate 100 that bearing function is not only provided, more can be used to protect the circuit packs such as induction electrode 102, signal transmission line 104.In addition, substrate 100 is to provide a touch-control plane in the relative one side that the face of induction electrode 2 circuit packs such as grade is set, and is used for finger or pointer, carrying out touch-control action for user.
Further, substrate 100 can be defined the shaded areas 100b of viewing area 100a viewing area 100a corresponding to according to actual design demand.The shaded areas 100b of the present embodiment is the corresponding at least one side that is formed on viewing area 100a for example, and more conventional design is to be located in viewing area 100a all around.In addition, in one embodiment, touch panel structure provided is directly on substrate 100, to see through as mode of printing is laid the opaque insulation course of one deck, to utilize the shaded areas 100b of the laying region of insulation course described in defining.In another embodiment, touch panel structure provided is that opaque insulation course is laid in to a cover plate, and when the substrate 100 of the present embodiment fits in cover plate, allows the laying region of the insulation course on cover plate relatively define the shaded areas 100b of substrate 100.
Zone definitions from the above, part at induction electrode 102, main part 102a is that design is positioned at viewing area 100a, and connecting portion 102b is positioned at shaded areas 100b, allow the corresponding induction electrode 102 of viewing area 100a main part 102a and become touch panel structure provided touch area.Certainly, according to actual design demand, more main part 102a further can be designed to the shaded areas 100b that lies along part, to promote the sensing accuracy of touch area, each embodiment of this instructions is graphic is all to do schematic drafting with this aspect.
In fact, the main part 102a of induction electrode 102 can for example comprise setting insulated from each other and on substrate 100, be a plurality of the first axial electrode (as X axis electrode) and a plurality of the second axial electrode (as Y-axis electrode) that array distributes, but for fear of fuzzy emphasis of the present invention and graphic simple and clear therefore, respectively the implementing of this instructions all only represents explanation to belong to the sensing unit of the first axial electrode in illustration, and also only show outermost and be used for the sensing unit being electrically connected with connecting portion 102b, the as shown in FIG. sensing unit of rhombus.Certainly, the shape of the sensing unit in arbitrary axial electrode is not limited to above-mentioned rhombus sensing unit aspect, and it also can be other any shapes, as the rectangle aspect of rhombus sensing unit below in Fig. 1.In addition, the material of induction electrode 102 can be transparent conductive material, as tin indium oxide (ITO), indium zinc oxide (IZO), CNT (CNT), Nano Silver (Nano Silver) etc.
Next, about the part of signal transmission line 104, main section 104a is positioned at shaded areas 100b, through the wiring section 104b of extending design, is except being positioned at shaded areas 100b, extending to viewing area 100a especially from shaded areas 100b.On processing procedure, signal transmission line 104 can be made with another printing or photolithographic processes after induction electrode 102 forms, and its material can be silver slurry or copper etc.It is worth mentioning that, due to the wiring section 104b of the present embodiment from the one end being electrically connected with main section 104a to the relative other end be the aspect that forms live width convergent, even if therefore wiring section 104b can be inserted into viewing area 100a because being overlapped in main part 102a part, the part of the viewing area 100a that stretches into also can be because live width be relatively compared with the visual situation of little and difficult generation wiring section 104b.Certainly, wiring section 104b more can further make with low-reflectivity metal material (as chromium (Cr)), more can reduce visual chance occurs.
Next illustrate the various design aspects of wiring section 104b.As shown in Figure 1, wiring section 104b is the shape that a plurality of (as three) rectangle of being reduced gradually by width of design combines, and to be rendered as the aspect of stage live width convergent, stretches into viewing area 100a.
As shown in Figure 2, wiring section 104b is the design that adopts rectangle and trapezoidal combination.Wherein one side of rectangle is to be engaged in main section 104a, and a relative opposite side that is engaged in main section 104a limit described in rectangle is to be engaged in the relatively large base of trapezoidal middle length, thus, the base that trapezoidal middle length is relatively little is the end as wiring section 104b, and by trapezoidal dual-side, is configured to the aspect of wiring section 104b live width convergent.
As shown in Figure 3, wiring section 104b is the design that adopts rectangle and semicircle combination.Wherein one side of rectangle is to be engaged in main section 104a, and a relative opposite side that is engaged in the limit of main section 104a described in rectangle is to be engaged in a semicircular straight line, thus, semicircular circular arc bottom is the end as wiring section 104b, and by semicircular circular arc, is configured to the aspect of wiring section 104b live width convergent.Certainly, the semicircle that the present embodiment adopts can also substitute by half elliptic, to meet the required live width convergent effect of wiring section 104b.
Above-mentioned various wiring section 104b all possesses so-called live width tapered feature, all can reach and cause the effect that structure of the present invention is wanted to reach.What remark additionally is, above-mentioned is the global shape of the 104b of wiring section for convenience of description, is therefore to come segmentation to describe wiring section 104b in the mode of a plurality of combination of shapes, yet in fact on making, whole wiring section 104b is better or one forms, and at this, not by above-described embodiment, is limited.
In addition, the aspect of the sensing unit designing with rhombus in supplementary notes previous embodiment, under some arrangement and layout, the rhombus sensing unit that outermost is used for being electrically connected with connecting portion 102b might not be complete rhombus aspect, the rhombus sensing unit that may be only also part is electrically connected described connecting portion 102b, is the triangle aspect that the right-hand part of rhombus presents as shown in Figure 4.
In sum, the advantage of the wiring section 104b of live width convergent aspect of the present invention design is, can improve signal transmission line 104 and induction electrode 102 contraposition nargin.For the relatively little wiring section 104b end of live width, even if signal transmission line 104 has skew with induction electrode 102 in the contraposition of processing procedure, whole wiring section 104b still possesses enough areas and contacts with induction electrode 102, do not have the situation that contact area declines and occur, allow the touch panel structure provided normal running that is maintained.On the other hand, if signal transmission line 104 of the present invention adopts the metal material of antiradar reflectivity to make, the less design of wiring section 104b live width of viewing area 100a is stretched in collocation, and the wiring section 104b that stretches into viewing area 100a also cannot be picked out or discover with naked eyes.
The foregoing is only preferred embodiment of the present invention, all equalizations of doing according to the present patent application the scope of the claims change and modify, and all should belong to covering scope of the present invention.
Claims (8)
- One kind touch panel structure provided, it is characterized in that, comprise:One induction electrode, is arranged on a substrate, and comprises a main part and a junction, and wherein this main part and this connecting portion are electrically connected; AndOne signal transmission line, comprise a main section and a wiring section, wherein this wiring section is electrically connected this main section, and conducting be overlapped in this connecting portion and this at least part of main part, wherein this wiring section is greater than the live width of this wiring section other end in the live width that is electrically connected one end of this main section, and forms live width convergent aspect.
- 2. contact panel as claimed in claim 1, is characterized in that, this substrate is defined a viewing area and a pair of shaded areas that should viewing area, and wherein this main body section is in this viewing area, and this connecting portion is in this shaded areas.
- 3. contact panel as claimed in claim 2, is characterized in that, the main part of this induction electrode further lies along this shaded areas.
- 4. contact panel as claimed in claim 2, is characterized in that, this main section is positioned at this shaded areas, and this wiring section extends to this viewing area from this shaded areas.
- 5. contact panel as claimed in claim 1, is characterized in that, this wiring section system makes with low-reflectivity metal material.
- 6. contact panel as claimed in claim 1, is characterized in that, this wiring section is the extension of this main section.
- 7. contact panel as claimed in claim 6, is characterized in that, the live width of the end of this wiring section is less than the width of this connecting portion.
- 8. contact panel as claimed in claim 6, is characterized in that, the live width of the end of this wiring section is less than 7 μ m.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310160756.8A CN104123028B (en) | 2013-04-29 | 2013-04-29 | It is touch panel structure provided |
| TW102140300A TWI560586B (en) | 2013-04-29 | 2013-11-06 | Touch panel structure |
| TW102220697U TWM472894U (en) | 2013-04-29 | 2013-11-06 | Touch panel structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310160756.8A CN104123028B (en) | 2013-04-29 | 2013-04-29 | It is touch panel structure provided |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104123028A true CN104123028A (en) | 2014-10-29 |
| CN104123028B CN104123028B (en) | 2017-08-15 |
Family
ID=50552370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310160756.8A Active CN104123028B (en) | 2013-04-29 | 2013-04-29 | It is touch panel structure provided |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104123028B (en) |
| TW (2) | TWM472894U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105988622A (en) * | 2015-02-16 | 2016-10-05 | 群创光电股份有限公司 | Touch panel and touch display device applying same |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105278739A (en) | 2014-07-17 | 2016-01-27 | 财团法人工业技术研究院 | Sensing structure |
| CN105487699B (en) * | 2014-09-17 | 2018-09-25 | 常州欣盛微结构电子有限公司 | The electrode circuit of touch-control sensing |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080252608A1 (en) * | 2007-04-12 | 2008-10-16 | 3M Innovative Properties Company | Touch sensor with electrode array |
| TW200945149A (en) * | 2008-04-16 | 2009-11-01 | Emerging Display Tech Corp | Wiring structure of capacitive touch panel |
| CN102016767A (en) * | 2008-02-28 | 2011-04-13 | 3M创新有限公司 | Touch screen sensor |
| CN102043872A (en) * | 2009-10-15 | 2011-05-04 | 英业达股份有限公司 | Circuit board wiring method |
| CN203217520U (en) * | 2013-04-29 | 2013-09-25 | 祥达光学（厦门）有限公司 | Touch panel structure |
-
2013
- 2013-04-29 CN CN201310160756.8A patent/CN104123028B/en active Active
- 2013-11-06 TW TW102220697U patent/TWM472894U/en not_active IP Right Cessation
- 2013-11-06 TW TW102140300A patent/TWI560586B/en active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080252608A1 (en) * | 2007-04-12 | 2008-10-16 | 3M Innovative Properties Company | Touch sensor with electrode array |
| CN102016767A (en) * | 2008-02-28 | 2011-04-13 | 3M创新有限公司 | Touch screen sensor |
| TW200945149A (en) * | 2008-04-16 | 2009-11-01 | Emerging Display Tech Corp | Wiring structure of capacitive touch panel |
| CN102043872A (en) * | 2009-10-15 | 2011-05-04 | 英业达股份有限公司 | Circuit board wiring method |
| CN203217520U (en) * | 2013-04-29 | 2013-09-25 | 祥达光学（厦门）有限公司 | Touch panel structure |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105988622A (en) * | 2015-02-16 | 2016-10-05 | 群创光电股份有限公司 | Touch panel and touch display device applying same |
| CN105988622B (en) * | 2015-02-16 | 2019-12-10 | 群创光电股份有限公司 | Touch panel and touch display device using same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104123028B (en) | 2017-08-15 |
| TW201441889A (en) | 2014-11-01 |
| TWI560586B (en) | 2016-12-01 |
| TWM472894U (en) | 2014-02-21 |
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