CN104123028B - It is touch panel structure provided - Google Patents
It is touch panel structure provided Download PDFInfo
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- CN104123028B CN104123028B CN201310160756.8A CN201310160756A CN104123028B CN 104123028 B CN104123028 B CN 104123028B CN 201310160756 A CN201310160756 A CN 201310160756A CN 104123028 B CN104123028 B CN 104123028B
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- section
- wiring section
- main
- touch panel
- structure provided
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- 230000006698 induction Effects 0.000 claims abstract description 31
- 230000008054 signal transmission Effects 0.000 claims abstract description 24
- 239000000758 substrate Substances 0.000 claims abstract description 15
- 239000007769 metal material Substances 0.000 claims description 4
- 238000002310 reflectometry Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 description 5
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 3
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- 238000005516 engineering process Methods 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- MRNHPUHPBOKKQT-UHFFFAOYSA-N indium;tin;hydrate Chemical compound O.[In].[Sn] MRNHPUHPBOKKQT-UHFFFAOYSA-N 0.000 description 1
- 150000004702 methyl esters Chemical class 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000010458 rotten stone Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- YVTHLONGBIQYBO-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O--].[Zn++].[In+3] YVTHLONGBIQYBO-UHFFFAOYSA-N 0.000 description 1
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Abstract
The present invention disclose one kind it is touch panel structure provided, it is included：One induction electrode, is set on a substrate, and comprising a main part and a connecting portion, the wherein main part is electrically connected with the connecting portion；And a signal transmission line, include a main section and wiring section, wherein wiring section is electrically connected with the main section, and conductively it is overlapped in the connecting portion and at least part of main part, wherein wiring section is more than the line width of the wiring section other end in the line width for being electrically connected with one end of the main section, and forms the tapered aspect of line width.Thereby, signal transmission line can effectively contact progress signal transmission with induction electrode.
Description
Technical field
It is of the invention relevant with a kind of touch technology, it is touch panel structure provided especially in regard to one kind.
Background technology
Contact panel (Touch panel) has changed into the mainstay of various portable electronic devices, such as intelligence now
Energy type mobile phone, tablet PC and notebook computer etc..User can be directly with finger or stylus touching contact panel
To operate the running of electronic installation, i.e. contact panel as the interface between user and electronic installation.
General contact panel includes induction electrode and signal transmission line.Wherein induction electrode includes main part and connection
Portion, main part is used for detecting the touch of user, and connecting portion is used for being electrically connected with signal transmission line.Thereby, sense is allowed
Electrode is answered to be able to carry out signal transmission with controller by signal transmission line.
However, current contact panel is during fabrication, signal transmission line is easily caused because of the error of mechanical action
Aligning accuracy with the connecting portion of induction electrode is not good, will so cause effectively connecing between signal transmission line and induction electrode
Contacting surface product declines, and causes contact panel not operate correctly, this is for the problem of contact panel technology urgently overcomes now.
The content of the invention
In view of this, the invention provides a kind of new touch panel structure provided design, it is overlapped in signal transmission line
The position of induction electrode carries out improvement design, and the contraposition nargin of effective promotion signal transmission line and induction electrode avoids signal from passing
The situation that contact area between defeated circuit and induction electrode declines by fabrication errors factor occurs.
According to one embodiment of the invention, it provides touch panel structure provided, and it is included：One induction electrode, is arranged on one
On substrate, and comprising a main part and a connecting portion, the wherein main part is electrically connected with the connecting portion；And one signal pass
Defeated circuit, comprising a main section and wiring section, wherein wiring section is electrically connected with the main section, and is conductively overlapped in the company
Line width of socket part and at least part of main part, the wherein wiring section in the one end for being electrically connected with the main section connects more than this
The line width of the line segment other end, and form the tapered aspect of line width.
In one of the embodiments, substrate be defined a viewing area with a pair should viewing area shielded area
Domain, the main body section of induction electrode is in the viewing area, and the connecting portion is in the shaded areas.
In one of the embodiments, the main part of induction electrode further lies along shaded areas.
In one of the embodiments, main section is located at shaded areas, and wiring section extends to viewing area from shaded areas.
In one of the embodiments, the wiring section system of signal transmission line is made with low-reflectivity metal material.
In one of the embodiments, wiring section is the extension of main section.
In one of the embodiments, the line width of the end of wiring section is less than the width of connecting portion.
In one of the embodiments, width of the width less than the connecting portion of induction electrode of line end is connect.
In one of the embodiments, the line width of the end of wiring section is less than 7 μm.
Far and away, this kind of purpose of the invention was read hereafter to describe with drawing with a variety of schemas with other purposes in the person of readding
Preferred embodiment specification specified after will become more apparent.
Brief description of the drawings
This specification contains accompanying drawing and the part of this specification is constituted in text, the person of readding is had the embodiment of the present invention
It is further to understand.Those schema systems depict some embodiments of the invention and together illustrate its principle together with being described herein.
In those schemas：
Fig. 1 shows touch panel structure provided top schematic diagram according to an embodiment of the invention.
Fig. 2~4 show the touch panel structure provided top schematic diagram of other embodiments of the invention.
Notably all schemas in this specification are all legend property.For event that is clear and facilitating schema to illustrate, figure
Each part in formula is presented in which may be exaggerated or minimized in size and ratio.Identical reference symbol is in general in figure
It can be used for indicating corresponding to or similar feature after modification or not in be the same as Example.
Symbol description
100 substrates
100a viewing areas
100b shaded areas
102 induction electrodes
102a main parts
102b connecting portions
104 signal transmission lines
104a main sections
104b wiring section
Embodiment
In detailed description below, element numbers, which can be indicated in the schema enclosed, turns into some therein, and
Represented with the special case describing mode of the practicable embodiment.This kind of embodiment can illustrate enough details and make the one of the field
As those skilled in the art implemented according to this.The person of readding is it is understood that into the present invention also using other embodiments or without departing substantially from institute
Change on structural, logicality is made on the premise of stating embodiment and be electrical.Therefore, following detailed description will be not intended to by
A kind of restriction is considered as, anti-, the embodiment included in it will be defined by the claim enclosed.
Fig. 1 is refer to first, and it schematically shows touch panel structure provided top according to an embodiment of the invention and shown
It is intended to.As shown in figure 1, touch panel structure provided including induction electrode 102 and signal transmission line 104.Wherein, induction electrode 102
Set on the substrate 100, and comprising the main part 102a and connecting portion 102b being electrically connected to each other, main part 102a be for
The touch of user is sensed, and connecting portion 102b is as electrical between main part 102a and signal transmission line 104
Connecting interface.
Signal transmission line 104 includes main section 104a and wiring section 104b, and wherein wiring section 104b is electrically connected with main line
Section 104a is simultaneously conductively overlapped in connecting portion 102b and at least part of main part 102a.In addition, wiring section 104b is electrical
The line width for connecting main section 104a one end is greater than the line width of the wiring 104 relative other ends of section, and wiring section 104b
To the relative other end it is to form the tapered aspect of line width from the one end being electrically connected with main section 104a.In other words, connect
Line segment 104b is extended from main section 104a, and the line width of wiring section 104b end is less than wiring section 104b from main section
The line width of the section start of 104a extensions.In one embodiment, wiring section 104b end is less than connecting portion 102b width.
In another embodiment, wiring section 104b end is less than 7 μm.
Thereby, in the contraposition of signal transmission line 104 and induction electrode 102 and overlap joint processing procedure, if wiring section 104b with
When the contraposition of connecting portion 102 has offset because of the error of mechanical action, the wiring section 104b designed by the present embodiment still possesses
Enough areas are contacted with induction electrode 102, and the situation for not having contact area decline occurs.In other words, overlap simultaneously
In connecting portion 102b and main part 102a wiring section 104b design energy promotion signal transmission line 104 and induction electrode 102
Contraposition nargin, even if contraposition when have part wiring section 104b fail effectively to contact with connecting portion 102b because of error, still
Wiring section 104b through extending design is still able to reach the effect of compensation contact area by the contact with main part 102a.
The foregoing substrate 100 of the present embodiment can be for example a transparency carrier, such as with transparent tripoli glass or poly- methyl-prop
The materials such as e pioic acid methyl ester (PMMA) are made, and again by processing procedures such as reinforcings substrate 100 can be allowed not only to provide bearing function,
It more can be used to protect the circuit packs such as induction electrode 102, signal transmission line 104.In addition, substrate 100 is setting induction electrode 2
Opposite side Deng the face of circuit pack is to provide a touch surface, is moved for carrying out touch-control for user with finger or stylus
Make.
Further, can be defined a viewing area 100a according to actual design demand corresponding with one visual for substrate 100
Region 100a shaded areas 100b.The shaded areas 100b of the present embodiment is for example to be correspondingly formed in viewing area 100a extremely
A few side, more common design is to enclose located at viewing area 100a all around.In addition, in one embodiment, contact panel
Structure is that directly transmission lays one layer of opaque insulating barrier such as mode of printing on the substrate 100, to utilize the cloth of insulating barrier
If region defines described shaded areas 100b.In another embodiment, touch panel structure provided, being will be opaque exhausted
Edge layer is laid in a cover plate, and when the substrate 100 of the present embodiment fits in cover plate, the laying area of the insulating barrier allowed on cover plate
Domain relatively defines the shaded areas 100b of substrate 100.
Region definition from the above, in the part of induction electrode 102, main part 102a is that design is located at viewing area
100a, and connecting portion 102b is then to be located at shaded areas 100b, allows viewing area 100a to correspond to the main part of induction electrode 102
102a and as touch panel structure provided touch area.Certainly, more can be further by main part 102a according to actual design demand
Design lies along the shaded areas 100b of part, to lift the sensing accuracy of touch area, each embodiment of this specification
Schema is all then that schematical drafting is done with this aspect.
In fact, the main part 102a of induction electrode 102 can be for example comprising setting insulated from each other and on the substrate 100 in number
Multiple first axial electrodes (such as X axis electrode) of component cloth and multiple second axial electrodes (such as Y-axis electrode), but in order to keep away
Exempt to have obscured all only axially electric to belong to first in emphasis of the present invention and the concise event of schema, each implementation illustration of this specification
The sensing unit of pole represents explanation, and also only shows the sensing list that outermost is used for being electrically connected with connecting portion 102b
The sensing unit of member, as shown in FIG. rhombus.Certainly, the shape of the sensing unit in any axial electrode is not limited to above-mentioned
Rhombus sensing unit aspect, it also can be in other any shapes, the rectangle aspect in such as Fig. 1 below rhombus sensing unit.This
Outside, the material of induction electrode 102 can be transparent conductive material, such as tin indium oxide (ITO), indium zinc oxide (IZO), CNT
(CNT), Nano Silver (Nano Silver) etc..
Next, the part on signal transmission line 104, main section 104a is to be located at shaded areas 100b, and through prolonging
It is even more to extend to viewing area from shaded areas 100b in addition to positioned at shaded areas 100b that the wiring section 104b for stretching design, which is then,
100a.On processing procedure, signal transmission line 104 can be next with another printing or photolithographic processes after the formation of induction electrode 102
It is made, its material can be silver paste or copper etc..It is noted that due to the present embodiment wiring section 104b from main section 104a
It to the relative other end is to form the tapered aspect of line width that one end of electric connection, which is risen, even if therefore wiring section 104b because being overlapped in
Main part 102a and part can be inserted into viewing area 100a, the part for stretching into viewing area 100a also can be because of line width relatively
It is smaller and be not susceptible to the visual situations of wiring section 104b.Certainly, wiring section 104b more can be further with low-reflectivity metal material
Expect (such as chromium (Cr)) to be made, can more reduce and occur visual chance.
Next wiring section 104b various design aspects are illustrated.As shown in figure 1, wiring section 104b is designed by width
The shape that multiple (such as three) rectangles for gradually decreasing are combined is spent, can be rendered as that the tapered aspect of stage line width stretches into
Viewed area 100a.
As shown in Fig. 2 wiring section 104b is the design using rectangle and trapezoidal combination.One side of wherein rectangle is to be engaged in
Main section 104a, and be engaged in described in rectangle main section 104a while opposed pair while be that to be engaged in trapezoidal middle length relative
A larger base, consequently, it is possible to the relatively small base of trapezoidal middle length is the end as wiring section 104b, and by
By two trapezoidal sides come frame constitute the tapered aspect of wiring section 104b line widths.
As shown in figure 3, wiring section 104b is the design using rectangle and semicircle combination.One side of wherein rectangle is engagement
Be engaged in main section 104a, and described in rectangle main section 104a while opposed pair while be to be engaged in semicircular one
Straight line, consequently, it is possible to which semicircular circular arc bottom is the end as wiring section 104b, and comes by semicircular circular arc
Frame constitutes the tapered aspect of wiring section 104b line widths.Certainly, the present embodiment is used semicircle can also half elliptic replace
Generation, to meet the line width tapering effect needed for wiring section 104b.
Above-mentioned various wiring section 104b all possess so-called line width tapered feature, all can be intended to reach up to cause structure of the present invention
Effect.Supplementary notes, above-mentioned is the section of wiring for convenience of explanation 104b global shape, therefore is with multiple shape groups
The mode of conjunction is segmented description wiring section 104b, but actually in making, whole wiring section 104b preferably or one and
Into not being limited herein by above-described embodiment.
In addition, the aspect of the sensing unit designed in supplementary notes previous embodiment with rhombus, in some arrangements and cloth
Under office, outermost is used for the rhombus sensing unit not necessarily complete rhombus aspect being electrically connected with connecting portion 102b, also
It may only be the rhombus sensing unit of part to be electrically connected with described connecting portion 102b, be rhombus as shown in Figure 4
The triangle aspect that right side is showed.
In summary, the advantage of the wiring section 104b designs of the tapered aspect of line width of the present invention is, can improve signal transmission
Circuit 104 aligns nargin with induction electrode 102.For the relatively small wiring section 104b ends of line width, even if signal is passed
Defeated circuit 104 is offset with induction electrode 102 in the contraposition of processing procedure, and whole wiring section 104b still possesses enough area and sense
Electrode 102 is answered to contact, the situation that contact area decline is not had occurs, and allows touch panel structure provided being maintained normal running.
On the other hand, signal transmission line 104 of the invention is made according to the metal material of antiradar reflectivity, and visible area is stretched into collocation
The domain 100a wiring section less design of 104b line widths, allow stretch into viewing area 100a wiring section 104b also can not be visually to distinguish
Know and or discover.
The foregoing is only presently preferred embodiments of the present invention, all equivalent changes done according to scope of the present invention patent with
Modification, should all belong to the covering scope of the present invention.
Claims (7)
1. it is a kind of touch panel structure provided, it is characterised in that to include：
One induction electrode, is set on a substrate, wherein the substrate has been defined a viewing area and a pair should viewing area
Shaded areas, the induction electrode includes a main part and a connecting portion, the wherein main part and the connecting portion electric connection, its
In the main body section in the viewing area, the connecting portion is in the shaded areas；And
One signal transmission line, comprising a main section and wiring section, wherein wiring section is electrically connected with the main section, and turns on
Ground is overlapped in the connecting portion and at least part of main part, and wherein wiring section is being electrically connected with one end of the main section
Line width is more than the line width of the wiring section other end, and forms the tapered aspect of line width.
2. it is as claimed in claim 1 touch panel structure provided, it is characterised in that the further extension bit of main part of the induction electrode
In the shaded areas.
3. it is as claimed in claim 1 touch panel structure provided, it is characterised in that the main section is located at the shaded areas, the wiring
Section extends to the viewing area from the shaded areas.
4. it is as claimed in claim 1 touch panel structure provided, it is characterised in that wiring section system is with low-reflectivity metal material system
Into.
5. it is as claimed in claim 1 touch panel structure provided, it is characterised in that wiring section is the extension of the main section.
6. it is as claimed in claim 5 touch panel structure provided, it is characterised in that the line width of the end of wiring section is less than the connection
The width in portion.
7. it is as claimed in claim 5 touch panel structure provided, it is characterised in that the line width of the end of wiring section is less than 7 μm.
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 CN104123028A (en) | 2014-10-29 |
| CN104123028B true 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) | TWI560586B (en) |
Families Citing this family (3)
| 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 |
| CN110794993B (en) * | 2015-02-16 | 2023-04-07 | 群创光电股份有限公司 | Touch panel and touch display device using same |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 Routing Method |
| CN203217520U (en) * | 2013-04-29 | 2013-09-25 | 祥达光学（厦门）有限公司 | Touch panel structure |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7973771B2 (en) * | 2007-04-12 | 2011-07-05 | 3M Innovative Properties Company | Touch sensor with electrode array |
-
2013
- 2013-04-29 CN CN201310160756.8A patent/CN104123028B/en active Active
- 2013-11-06 TW TW102140300A patent/TWI560586B/en active
- 2013-11-06 TW TW102220697U patent/TWM472894U/en not_active IP Right Cessation
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 Routing Method |
| CN203217520U (en) * | 2013-04-29 | 2013-09-25 | 祥达光学（厦门）有限公司 | Touch panel structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104123028A (en) | 2014-10-29 |
| TWI560586B (en) | 2016-12-01 |
| TW201441889A (en) | 2014-11-01 |
| TWM472894U (en) | 2014-02-21 |
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