CN103186277A - Printed circuit, and printed circuit for touch screen - Google Patents
Printed circuit, and printed circuit for touch screen Download PDFInfo
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- CN103186277A CN103186277A CN2012100001363A CN201210000136A CN103186277A CN 103186277 A CN103186277 A CN 103186277A CN 2012100001363 A CN2012100001363 A CN 2012100001363A CN 201210000136 A CN201210000136 A CN 201210000136A CN 103186277 A CN103186277 A CN 103186277A
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- line segment
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- screen
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Abstract
The invention relates to a printed circuit for a touch screen, which comprises a plurality of walking lines, wherein one end of each walking line is used for being electrically connected with an electrode of the touch screen, the other end of the walking line is used for being electrically connected with an external circuit of the touch screen, and the walking line at least comprises a first walking line section, a second walking line section, and a first linear connecting part connected with the first walking line section and the second walking line section; the first walking line sections are parallel to each other, and the second walking line sections are parallel to each other; a crossing angle alpha and a crossing angle beta are formed between the first walking line section and the first connecting part and between the second walking line section and the first connecting part respectively, and the crossing angles alpha and beta are positioned on the same side of the first connecting part, wherein alpha is smaller than 180 degrees and greater than 90 degrees, and beta is smaller than 180 degrees and greater than 90 degrees . The invention further relates to a printed circuit.
Description
Technical field
The present invention relates to the printed wire of a kind of printed wire and touch-screen.
Background technology
Screen printing technique is because print speed printing speed is fast and cost is lower, so, have widely at printed wire and to use.Yet when requiring day by day tinyization along with the live width of circuit and line-spacing, its yield can significantly descend.See also Fig. 1 and Fig. 2, prior art generally is designed to right angle or round-corner transition in the corner of two circuits.When the circuit of corner directly is designed to the right angle, also need to be designed to the right angle during printed wire corner of half tone, so when elargol passes through the right-angled corner of this half tone, the impulsive force of the half tone that elargol is subjected to is bigger, overflow easily at this right-angled corner place elargol, thereby make the adjacent line line phenomenon that is short-circuited easily; Yet, when the circuit of corner directly is designed to round-corner transition, the printed wire corner of half tone also needs to be designed to fillet, so when elargol passes through this fillet corner, described elargol can be subjected to the impulsive force that this fillet corner continues always, and therefore, this elargol overflows easily at this fillet corner, thereby make the adjacent circuit phenomenon that is short-circuited easily, and then significantly reduce the yield of printed wire.
Summary of the invention
In view of this, necessaryly provide a kind of printed wire that can significantly improve its yield.
A kind of printed wire of touch-screen, comprise a plurality of cablings, one end of each cabling is used for being electrically connected an electrode of described touch-screen, the other end is used for being electrically connected an external circuit of touch-screen, wherein, each cabling comprises that at least one first walks line segment, one second and walks line segment and connect this one first to walk a linear pattern first connecting portion that line segment and second is walked line segment; This a plurality of first walks between the line segment to be parallel to each other, and this a plurality of second walks between the line segment to be parallel to each other; Described first walks line segment and second walks line segment and forms angle of the crossing α and a β with described first connecting portion respectively, and described angle of the crossing α and β are positioned at the same side of described first connecting portion, wherein, 180o〉α〉90o, 180o〉β〉90o.
A kind of printed wire of touch-screen, comprise a plurality of cablings, one end of each cabling is used for being electrically connected an electrode of described touch-screen, the other end is used for being electrically connected an external circuit of touch-screen, and wherein, each cabling comprises that further one first walks line segment and a linear pattern second connecting portion, described second connecting portion is connected in described first and walks between line segment and the described electrode, this second connecting portion and described first is walked line segment and is formed an angle of the crossing γ, wherein, and 120o ≧ γ ≧ 150o.
A kind of printed wire comprises a plurality of cablings, and wherein, each cabling comprises that at least one first walks line segment, one second and walks line segment and connect this one first to walk a linear pattern first connecting portion that line segment and second is walked line segment; This a plurality of first walks between the line segment to be parallel to each other, this a plurality of second walks between the line segment to be parallel to each other, described first walks line segment and second walks line segment and forms angle of the crossing α and a β with described first connecting portion respectively, and, described angle of the crossing α and β are positioned at the same side of described first connecting portion, wherein, 180o〉α〉90o, 180o〉β〉90o.
With respect to right-angled corner of the prior art and fillet corner, in the printed wire of the present invention, described connecting portion and described first walks that line segment, second is walked line segment and electrode forms an oblique-angle intersection angle respectively, so, when the corner of elargol by the printed wire correspondence of half tone, the impulsive force that is subjected to half tone is less, in addition, because this connecting portion is linear pattern, so, elargol by this connecting portion can not be subjected to the bump power as the arc half tone yet, makes this elargol be not easy to overflow.So, can further prevent the adjacent cabling phenomenon that is short-circuited, thereby significantly improve the yield of this printed wire.
Description of drawings
Fig. 1 is the printed wire structural representation on the corner of touch-screen of the prior art.
Fig. 2 is the printed wire structural representation on the corner of touch-screen of the prior art.
The structural representation of the printed wire of the touch-screen that Fig. 3 provides for first embodiment of the invention.
Fig. 4 is the enlarged drawing of corner VI among Fig. 3.
Fig. 5 is the enlarged drawing of corner V among Fig. 3.
The structural representation of the printed wire of the touch-screen that Fig. 6 provides for second embodiment of the invention.
Fig. 7 is the enlarged drawing of corner VII among Fig. 6.
The main element symbol description
| Printed wire | 10，20 |
| Insulated substrate | 12 |
| Transparency conducting layer | 14 |
| Cabling | 16 |
| First walks line segment | 162 |
| First connecting portion | 164 |
| Second walks line segment | 166 |
| Second connecting portion | 168 |
| Electrode | 18 |
| The angle of the crossing | α、β、γ |
| The corner | VI、V、VII |
Following embodiment will further specify the present invention in conjunction with above-mentioned accompanying drawing.
Embodiment
See also Fig. 3, first embodiment of the invention provides a kind of printed wire 10 of touch-screen, and described printed wire 10 comprises a plurality of cablings 16.One end of described a plurality of cabling 16 directly links to each other with a plurality of electrodes 18 of described touch-screen, the other end of described a plurality of cabling 16 directly with the external circuit (indicating among the figure) of described touch-screen, thereby a transparency conducting layer 14 of described touch-screen can be electrically connected with described external circuit by described a plurality of electrodes 18 and a plurality of cabling 16.
Described transparency conducting layer 14, a plurality of cabling 16 and a plurality of electrode 18 all are arranged at a surface of the insulated substrate 12 in the described touch-screen.Described transparency conducting layer 14 is arranged at the middle part of described insulated substrate 12, is used for the extraneous touch signal of sensing.Described a plurality of electrode 18 is arranged at two sides of described transparency conducting layer 14.This is arranged at a plurality of electrodes 18 corresponding setting one by one on 14 two sides of described transparency conducting layer, and is electrically connected with described transparency conducting layer 14.Described a plurality of cabling 16 is arranged at the both sides of described insulated substrate 12, and with described transparency conducting layer 14 electrical isolations.One end of each bar cabling 16 is electrically connected with an electrode 18, and the other end of this cabling 16 is electrically connected with described external circuit, that is, described transparency conducting layer 14 is electrically connected with described external circuit by described a plurality of electrodes 18 and a plurality of cabling 16 respectively.
When described touch-screen in use, described external circuit can provide one to drive signal to described transparency conducting layer 14 by described a plurality of cablings 16 and a plurality of electrode 18.At this moment, an extraneous touch objects, as, finger etc., during near described transparency conducting layer 14, described transparency conducting layer 14 can form a sensing signal with described touch objects, and this sensing signal can transmit back described external circuit by described a plurality of electrodes 18 and a plurality of cabling 16, thereby realizes the location to touch objects.
Described a plurality of cabling 16 forms by serigraphy, and this a plurality of cabling 16 is parallel and be arranged at intervals at the both sides of described insulated substrate 12, electrical isolation between these a plurality of cablings 16.The material of described a plurality of cabling 16 is conductive material, as, elargol etc.The live width of described a plurality of cabling 16 is 50～200 microns.
Described a plurality of cabling 16 comprises at least two corners, is respectively corner VI and corner V.See also Fig. 4, among the described corner VI, each bar cabling 16 comprises that one first walks line segment 162, one second and walks line segment 166 and connect described first to walk first connecting portion 164 that line segment 162 and second is walked line segment 166.Described a plurality of first walks line segment 162 is parallel to each other, and described a plurality of second walks line segment 166 is parallel to each other.The extended line that described a plurality of first extended line and described a plurality of second of walking line segment 162 is walked line segment 166 form one greater than 0 degree less than the 180o angle.Described a plurality of first connecting portion 164 is linear pattern, is parallel to each other between these a plurality of first connecting portions 164.Described first walks line segment 162 and second walks line segment 166 and forms angle of the crossing α and a β with described first connecting portion 164 respectively, and described angle of the crossing α and β are positioned at the same side of described first connecting portion 164.Wherein, and 180o α 90o, and 180o β 90o.Preferably, 120o ≧ α ≧ 150o, and 120o ≧ β ≧ 150o.Preferred, 130o ≧ α ≧ 140o, and 130o ≧ β ≧ 140o.Spacing between these a plurality of first connecting portions 164 can equate or not wait.Preferably, the spacing between these a plurality of first connecting portions 164 equates that the spacing that defines between these a plurality of first connecting portions 164 is the D micron.
In the present embodiment, described a plurality of first extended line of walking line segment 162 is perpendicular to described a plurality of second extended line of walking line segment 166, that is, described a plurality of first extended line and described a plurality of second extended line of walking line segment 166 of walking line segment 162 forms a 90o angle of the crossing.This a plurality of first spacing of walking between the line segment 162 equates with these a plurality of second spacings of walking between the line segment 166.Defining this a plurality of first spacing and this a plurality of second spacing of walking between the line segment 166 of walking between the line segment 162 is the d micron, wherein, and 50 ≧ d ≧ 200.Described first length of walking described first connecting portion, 164 1 ends of line segment 162 connections increases △ d successively along the direction away from transparency conducting layer 12
1Micron, described second length of walking described first connecting portion, 164 1 ends of line segment 166 connections increases △ d successively along the direction away from transparency conducting layer 12
2Micron.△ d
1With △ d
2With can equate or unequal, preferably, △ d
1=△ d
2=d.Space D between described a plurality of first connecting portion 164 can be according to formula:
Calculate.In the present embodiment, described angle of the crossing α and β are 135o, and △ d
1=△ d
2=d is so the spacing between described a plurality of first connecting portions 164 is
Be appreciated that as △ d
1During d, at this moment, the space D between described a plurality of first connecting portions 164 can greater than
Be appreciated that, with respect to right-angled corner of the prior art and fillet corner, in the present embodiment, described corner VI is formed a plurality of angle of the crossing α, and 180o〉α〉90o, 180o〉β〉90o, so, when the corner of the printed wire correspondence of elargol by half tone, the impulsive force of the screen printing screens that is subjected to is less, in addition, because this first connecting portion 164 is linear pattern, so the elargol by this corner VI can not be subjected to the bump power as the arc screen printing screens yet, makes this elargol be not easy to overflow.So, can further prevent the adjacent cabling phenomenon that is short-circuited, thereby can significantly improve the yield of the printed wire 10 of this touch-screen.In addition, owing to first walk line segment 162 and prolong △ d successively along the direction away from transparency conducting layer 12
1=d is connected with described first connecting portion 164 again, so the spacing between these a plurality of first connecting portions 164 is greater than first spacing and this a plurality of second spacings of walking between the line segment 162 of walking between the line segment 166, that is, D〉d.In other words, the space D between these a plurality of first connecting portions 164 is walked line segment 162 and the second spacing d that walks between the line segment 166 greater than first, thereby can prevent the phenomenon that is short-circuited between the cabling 16 among the VI of corner.
See also Fig. 5, among the described corner V, each cabling 16 comprises that further one first walks line segment 162 and one second connecting portion 168.One end of described second connecting portion 168 and described first is walked line segment 162 and is electrically connected, and the other end of described second connecting portion 168 is electrically connected with described electrode 18.Described second connecting portion 168 and described first is walked line segment 162 and is formed an angle of the crossing γ, and 180o〉γ〉90o.Preferably, 120o ≧ γ ≧ 150o.Preferred, 130o ≧ γ ≧ 140o.In the present embodiment, described angle of the crossing γ is 135o.The live width of described second connecting portion 168 is greater than described first live width of walking line segment 162.In the present embodiment, the live width of described second connecting portion 168 is about 50 ~ 1000 microns.Because the live width of described second connecting portion 168 is greater than described first live width of walking line segment 162, so this second connecting portion 168 and first is walked to be not easy to take place breaking phenomena between the line segment 162, thereby can improve the yield of the printed wire 10 of described touch-screen.
See also Fig. 6 and Fig. 7, second embodiment of the invention provides a kind of printed wire 20 of touch-screen.The printed wire 20 of described touch-screen and the printed wire 20 of the touch-screen in the first embodiment of the invention are basic identical, and difference is that described a plurality of cabling 16 comprises at least one corner VII.Described first walks line segment 162 and second walks line segment 166 and forms an angle of the crossing α with described first connecting portion 164 respectively
nAnd β
n, α
nAnd β
nBe positioned at the same side of described first connecting portion 164, wherein, 180o ≧ α
n≧ 90o, 180o ≧ β
n≧ 90o, α
nAnd β
nDo not equal 180o simultaneously, and, α
n-α
N-1≠ 0, β
n-β
N-1≠ 0, n is described cabling number.
For ease of describing, be M with described a plurality of cabling 16 number consecutivelies
nIn the present embodiment, described a plurality of cablings 16 are nine cablings, and are M with these nine cabling 16 number consecutivelies
1, M
2, M
3, M
4, M
5, M
6, M
7, M
8And M
9In described corner VII, described second length of walking described first connecting portion, 164 1 ends of line segment 166 connections increases △ d successively along the direction away from transparency conducting layer 12
2Micron, and be connected with described first connecting portion 164.Preferably, described second length of walking described first connecting portion, 164 1 ends of line segment 166 connections increases △ d successively along the direction away from transparency conducting layer 12
2=d micron.In each cabling 16 first walked line segment 162 and first connecting portion, 164 formed angle of the crossing α
nTo successively decreasing successively away from the direction of described transparency conducting layer 14, and second in each cabling 16 walked line segment 166 and first connecting portion, 164 formed angle of the crossing β
nIncrease progressively successively to the direction away from transparency conducting layer 14, and,
And,
In the present embodiment, comprise nine cablings 16, so,
And,
Particularly, at cabling M
1In first walk line segment 162 and first connecting portion, the 164 formed angles of the crossing
, second walks line segment 166 and first connecting portion, the 164 formed angles of the crossing
, that is, and at cabling M
1In, described first walks line segment 162 walks line segment 166 perpendicular to described second; At cabling M
2In first walk line segment 162 and first connecting portion, the 164 formed angles of the crossing
, second walks line segment 166 and first connecting portion, the 164 formed angles of the crossing
At cabling M
3In first walk line segment 162 and first connecting portion, the 164 formed angles of the crossing
, second walks line segment 166 and first connecting portion, the 164 formed angles of the crossing
At cabling M
4In first walk line segment 162 and first connecting portion, the 164 formed angles of the crossing
, second walks line segment 166 and first connecting portion, the 164 formed angles of the crossing
At cabling M
5In first walk line segment 162 and first connecting portion, the 164 formed angles of the crossing
, second walks line segment 166 and first connecting portion, the 164 formed angles of the crossing
At cabling M
6In first walk line segment 162 and first connecting portion, the 164 formed angles of the crossing
, second walks line segment 166 and first connecting portion, the 164 formed angles of the crossing
At cabling M
7In first walk line segment 162 and first connecting portion, the 164 formed angles of the crossing
, second walks line segment 166 and first connecting portion, the 164 formed angles of the crossing
At cabling M
8In first walk line segment 162 and first connecting portion, the 164 formed angles of the crossing
, second walks line segment 166 and first connecting portion, the 164 formed angles of the crossing
At cabling M
9In first walk line segment 162 and first connecting portion, the 164 formed angles of the crossing
, second walks line segment 166 and first connecting portion, the 164 formed angles of the crossing
In addition, described angle of the crossing α
nAnd described angle of the crossing β
nAlso can satisfy following relation:
And,
, that is, first in each cabling 16 walked line segment 162 and first connecting portion, 164 formed angle of the crossing α
nIncrease progressively successively to the direction away from described transparency conducting layer 14, and second in each cabling 16 walked line segment 166 and first connecting portion, 164 formed angle of the crossing β
nTo successively decreasing successively away from the direction of transparency conducting layer 14.In addition, the angle [alpha] among the described corner VII
N,β
nChange the form increasing or decreasing also be not limited to arithmetic progression, only need make described first to walk line segment 162 and second and walk line segment 166 and get final product greater than 90 degree with the angle of the crossing that described first connecting portion 164 forms.
Be appreciated that, variation by angle in described corner VII, spacing between first connecting portion 164 among the VII of this corner is increased with respect to the spacing between first connecting portion 164 among the VI of corner, thereby can further prevent the phenomenon that is short-circuited between the cabling 16 among the VII of corner.
In addition, described cabling also is not limited to only be used for touch-screen, and other electronic products with similar printed wire also can use above-mentioned cabling mode cabling.
In the embodiment of the invention, form a plurality of angles of the crossing by the corner at this printed wire, when the corner of the printed wire correspondence of elargol by half tone, can make the impulsive force of the screen printing screens that this elargol is subjected to less, thereby make this elargol be not easy to overflow.So, can effectively prevent the adjacent cabling phenomenon that on the corner is short-circuited.In addition, can also make the spacing between the cabling 16 among the described corner VI become big, thereby can significantly improve the yield of this capacitive touch screen.
In addition, those skilled in the art also can do other variations in spirit of the present invention, and certainly, the variation that these are done according to spirit of the present invention all should be included within the present invention's scope required for protection.
Claims (16)
1. the printed wire of a touch-screen, comprise a plurality of cablings, one end of each cabling is used for being electrically connected an electrode of described touch-screen, the other end is used for being electrically connected an external circuit of touch-screen, it is characterized in that each cabling comprises that at least one first walks line segment, one second and walks line segment and connect this one first to walk a linear pattern first connecting portion that line segment and second is walked line segment; This a plurality of first walks between the line segment to be parallel to each other, this a plurality of second walks between the line segment to be parallel to each other, described first walks line segment and second walks line segment and forms angle of the crossing α and a β with described first connecting portion respectively, and, described angle of the crossing α and β are positioned at the same side of described first connecting portion, wherein, 180o〉α〉90o, 180o〉β〉90o.
2. the printed wire of touch-screen as claimed in claim 1 is characterized in that, described a plurality of first extended line of walking line segment is perpendicular to described a plurality of second extended line of walking line segment.
3. the printed wire of touch-screen as claimed in claim 2 is characterized in that, 120o ≧ α ≧ 150o, and, 120o ≧ β ≧ 150o.
4. the printed wire of touch-screen as claimed in claim 2 is characterized in that, 130o ≧ α ≧ 140o, and 130o ≧ β ≧ 140o.
5. the printed wire of touch-screen as claimed in claim 2 is characterized in that, α=β=135o.
6. the printed wire of touch-screen as claimed in claim 2, it is characterized in that, described a plurality of first spacing of walking between the line segment equals described a plurality of second spacing of walking between the line segment, defining this a plurality of first spacing and this a plurality of second spacing of walking line segment of walking between the line segment is the d micron, wherein, 50 ≧ d ≧ 200.
7. the printed wire of touch-screen as claimed in claim 6 is characterized in that, the spacing that defines described a plurality of first connecting portions is D, wherein,
8. the printed wire of touch-screen as claimed in claim 1, it is characterized in that, each cabling further comprises one second connecting portion, described second connecting portion is electrically connected on described first and walks between line segment and the described electrode, this second connecting portion and described first is walked line segment and is formed an angle of the crossing γ, wherein, 120o ≧ γ ≧ 150o.
9. the printed wire of touch-screen as claimed in claim 8 is characterized in that, the live width of described second connecting portion is 50 ~ 1000 microns.
10. the printed wire of touch-screen as claimed in claim 1 is characterized in that, the live width of described a plurality of cablings is 50 ~ 200 microns.
11. the printed wire of a touch-screen, comprise a plurality of cablings, one end of each cabling is used for being electrically connected an electrode of described touch-screen, the other end is used for being electrically connected an external circuit of described touch-screen, it is characterized in that each cabling comprises that further one first walks line segment and a linear pattern second connecting portion, described second connecting portion is connected in described first and walks between line segment and the described electrode, this second connecting portion and described first is walked line segment and is formed an angle of the crossing γ, wherein, and 120o ≧ γ ≧ 150o.
12. the printed wire of touch-screen as claimed in claim 11 is characterized in that, 130o ≧ γ ≧ 140o.
13. the printed wire of touch-screen as claimed in claim 11 is characterized in that, angle of the crossing γ is 135 o.
14. the printed wire of touch-screen as claimed in claim 11 is characterized in that, the live width of described second connecting portion is 50 ~ 1000 microns.
15. a printed wire comprises a plurality of cablings, it is characterized in that, each cabling comprises that at least one first walks line segment, one second and walks line segment and connect this one first to walk a linear pattern first connecting portion that line segment and second is walked line segment; This a plurality of first walks between the line segment to be parallel to each other, and this a plurality of second walks between the line segment to be parallel to each other; Described first walks line segment and second walks line segment and forms angle of the crossing α and a β with described first connecting portion respectively, and described angle of the crossing α and β are positioned at the same side of described first connecting portion, wherein, 180o〉α〉90o, 180o〉β〉90o.
16. printed wire as claimed in claim 15 is characterized in that, described angle of the crossing α and β are 135o.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100001363A CN103186277A (en) | 2012-01-03 | 2012-01-03 | Printed circuit, and printed circuit for touch screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100001363A CN103186277A (en) | 2012-01-03 | 2012-01-03 | Printed circuit, and printed circuit for touch screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103186277A true CN103186277A (en) | 2013-07-03 |
Family
ID=48677471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100001363A Pending CN103186277A (en) | 2012-01-03 | 2012-01-03 | Printed circuit, and printed circuit for touch screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103186277A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106708315A (en) * | 2016-12-01 | 2017-05-24 | 业成科技（成都）有限公司 | Touch panel and touch display device using touch panel |
| CN108984011A (en) * | 2017-06-01 | 2018-12-11 | 乐金显示有限公司 | Touch display unit and touch display panel |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101382718A (en) * | 2007-09-04 | 2009-03-11 | 比亚迪股份有限公司 | Electronic paper display with touching function |
| CN101477430A (en) * | 2009-01-16 | 2009-07-08 | 汕头超声显示器（二厂）有限公司 | Condenser type touch screen |
| CN201465082U (en) * | 2009-06-03 | 2010-05-12 | 牧东光电（苏州）有限公司 | Capacitive touch panel |
-
2012
- 2012-01-03 CN CN2012100001363A patent/CN103186277A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101382718A (en) * | 2007-09-04 | 2009-03-11 | 比亚迪股份有限公司 | Electronic paper display with touching function |
| CN101477430A (en) * | 2009-01-16 | 2009-07-08 | 汕头超声显示器（二厂）有限公司 | Condenser type touch screen |
| CN201465082U (en) * | 2009-06-03 | 2010-05-12 | 牧东光电（苏州）有限公司 | Capacitive touch panel |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106708315A (en) * | 2016-12-01 | 2017-05-24 | 业成科技（成都）有限公司 | Touch panel and touch display device using touch panel |
| CN108984011A (en) * | 2017-06-01 | 2018-12-11 | 乐金显示有限公司 | Touch display unit and touch display panel |
| CN108984011B (en) * | 2017-06-01 | 2021-07-09 | 乐金显示有限公司 | Touch display device and touch display panel |
| US11275459B2 (en) | 2017-06-01 | 2022-03-15 | Lg Display Co., Ltd. | Touch display device and touch display panel having a curved active area and improving a touch sensitivity at a curved portion |
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Application publication date: 20130703 |