CN1567360A - Contact control type panel - Google Patents
Contact control type panel Download PDFInfo
- Publication number
- CN1567360A CN1567360A CN 03148686 CN03148686A CN1567360A CN 1567360 A CN1567360 A CN 1567360A CN 03148686 CN03148686 CN 03148686 CN 03148686 A CN03148686 A CN 03148686A CN 1567360 A CN1567360 A CN 1567360A
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- signal line
- groove
- transparency carrier
- conductive film
- touch panel
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Abstract
This invention provides a kind of touch screen, which comprises: a upper transparent base board, on the lower surface of which is a upper conductive film; a lower transparent base board, on the upper surface of which is a lower conductive film; a insulating spacer, which between the two conductive films of upper and lower transparent base board to separate them, multiple signal line, each of them is one the edge of upper or lower conductive film and separated from another conductive film or another signal line by adhesion agent. The feature of this invention is: there is a dent on the edge of the lower surface of the upper transparent base board. And a signal line is on the upper conductive film that in the dent. Or there is a dent on the edge of the upper surface of the lower transparent baseboard. And a signal line is on the lower conductive film that in the dent.
Description
Technical field
The present invention relates to a kind of touch panel, particularly relate to silver-colored line and occupy less plane space and can increase a kind of touch panel of viewing area.
Background technology
Fig. 1 is the front elevation of the signal wire structure of a traditional four-wire type touch panel.The cut-open view of Fig. 2 a for looking along the A-A ' line of Fig. 1.The a that please sees figures.1.and.2 simultaneously, touch panel comprises transparency carrier 100 on, once transparency carrier 200, one insulation spacer 600.The lower surface of last transparency carrier 100 scribbles (the indium tin oxide of ITO film on; Tin indium oxide) 120, the upper surface of following transparency carrier 200 scribbles ITO film 220.Insulation spacer 600 is between the two ITO films 120 and 220 on upper and lower transparency carrier 100 and 200, in order to two ITO films are separated.
So-called four-wire type is meant that this touch panel always has four sensing signal line, in order to sensing signal.Show as Fig. 1, on two relative edge's edge of last ITO film 120, be provided with top sensing signal line 310 and 320.On two relative edge's edge of following ITO film 220, be provided with bottom sensing signal line 410 and 420.In addition, touch panel has four thinner transmission signal lines again, promptly, sensing signal line 310 connects transmission signal line 310a, sensing signal line 320 connects transmission signal line 320a, and sensing signal line 410 connects transmission signal line 410a, and sensing signal line 420 connects transmission signal line 420a.The effect of these four transmission signal lines is that the signal that will sense transfers out.
Between upper and lower ITO film 120 and 220 the edge, solid is then arranged, and (for example double faced adhesive tape 500 is in order to signal wire and another ITO film separates or separate with another signal wire.In the edge of panel the zone of signal wire is arranged, be called the signal wire district, be denoted as S; Zone beyond the signal wire then is viewing area AA (active area; The active region).
When last transparency carrier 100 is subjected to the external force touch-control, for example point or electronic pen (stylus), have between the two ITO films 120 and 220 and electrically contact, and generation voltage, and by sensing signal line 310,320,410 and 420 sensing signals, by transmission signal line 310a, 320a, 410a and 420a signal is transferred out again.
Shown in Fig. 2 a, label 320a is the transmission signal line on last ITO film 120, and label 410 and 420 are the sensing signal line on ITO film 220 down.For the purpose of understanding easily, the width ratio of signal wire district S has amplification among Fig. 2 a, and is also inequality with the ratio of Fig. 1.By Fig. 1 and Fig. 2 a as can be known, the set-up mode of the silver-colored line (signal wire) of traditional touch panel has following shortcoming:
(1) because double faced adhesive tape 500 is flat condition, but silver-colored line is a convex shape, the silver-colored line of fitting and protruding with smooth double faced adhesive tape, so reliability (reliability) is poor.
(2) silver-colored line needs big electrical conductivity, but the increase of thickness is limited, therefore needs to increase the width of silver-colored line usually, so can cause whole apparent size to become big.
(3) if the silver- colored line 320a and 420 between two ITO films 120 and 220 is (shown in 2b figure) of alignment,, be easy to be short-circuited between the two silver medal lines because silver-colored line is protruding.Therefore, isolated preferably in order to make that silver-colored line has, stagger in the position of the silver-colored line of common upper and lower layer, and for example, the silver- colored line 320a and 420 of Fig. 2 a staggers.This makes silver-colored line must occupy bigger plane space, causes bigger apparent size.
Summary of the invention
Therefore purpose of the present invention provides a kind of touch panel for addressing the above problem, and wherein the setting of silver-colored line occupies less plane space, less apparent size can be arranged, and silver-colored line still can have high electrical conductivity, and reliability is good.
For reaching purpose of the present invention, touch panel of the present invention comprises: transparency carrier on, and its lower surface scribbles a upper conductive film; Transparency carrier once, its upper surface scribbles a lower conductive film; One insulation spacer between two conducting films on the upper and lower transparency carrier, in order to two conducting films separately, but when last transparency carrier is subjected to the external force touch-control, has between two conducting films and electrically contacts; And many signal line, every signal line be positioned at or the edge of lower conductive film on, and separate with another conducting film by solid or separate with another signal wire.Characteristics of the present invention are, the edge of the lower surface of last transparency carrier is provided with a groove, and has a signal wire to be arranged on the interior upper conductive film of groove, perhaps, the edge of the upper surface of following transparency carrier is provided with a groove, and has a signal wire to be arranged on the interior lower conductive film of groove.
Description of drawings
Fig. 1 is the front elevation of the signal wire structure of a traditional four-wire type touch panel;
The cut-open view of Fig. 2 a for looking along the A-A ' line of Fig. 1, it shows that the silver-colored line of upper and lower layer is situation about staggering;
The cut-open view of Fig. 2 b for looking along the A-A ' line of Fig. 1, it shows that the silver-colored line of upper and lower layer is the situation of alignment;
Fig. 3 is the front elevation that the signal wire of the four-wire type touch panel of a preferred embodiment of the present invention is constructed;
The cut-open view of Fig. 4 a for looking along the A-A ' line of Fig. 3, it shows that upper and lower layer signal line is a situation about staggering;
The cut-open view of Fig. 4 b for looking along the A-A ' line of Fig. 3, it shows that upper and lower layer signal line is the situation of alignment;
Fig. 5 a to Fig. 5 d is the cut-open view of the touch panel of other preferred embodiment of the present invention, and the difference of its display signal line is provided with situation, partly changes at the B among Fig. 4 b.
Embodiment
Fig. 3 shows the front elevation according to the signal wire structure of the four-wire type touch panel of a preferred embodiment of the present invention.The cut-open view of Fig. 4 a for looking along the A-A ' line of Fig. 3.Please be simultaneously with reference to Fig. 3 and Fig. 4 a, touch panel of the present invention comprises transparency carrier 10 on, once transparency carrier 20, one insulation spacer 60 and many signal line.Be applicable to that upper and lower transparency carrier of the present invention can be glass or plastics.For example, upper and lower transparency carrier can be polyester plastics, and object lesson is PET (polyethyleneterephthalate; Polyethylene terephthalate).In order to be beneficial to touch-control, last transparency carrier is pliability (flexible) plastics preferably.
The edge of the lower surface of last transparency carrier 10 is provided with a groove 15, and scribbles a upper conductive film 12 on its whole lower surface.The edge of the upper surface of following transparency carrier 20 is provided with two grooves 25 and 26, and scribbles a lower conductive film 22 on its entire upper surface.The generation type of groove does not have certain restriction, can use mould and forms, and can use etching mode to form yet.
Upper and lower conducting film 12 and 22 is the usefulness as resistive layer, can be ITO (tin indium oxide), tin oxide (tin oxide), or antimony tin (ATO; Antimony-tin-oxide), its resistance is preferably in 10 to 10,000ohms per square, and better person is in the scope of 100-1000ohms per square.Insulation spacer 60 is between two conducting films 12 and 22 on upper and lower transparency carrier 10 and 20, in order to two conducting films are separated.
Signal wire can be metal wire, for example silver-colored line, can comprise four sensing signal line: go up sensing signal line 31 and 32 for two that are positioned on the relative two edges of upper conductive film 12, be positioned at two the following sensing signal line 41 and 42 on the relative two edges of lower conductive film 22, and sensing signal line 41 and 42 square position in last sensing signal line 31 and 32 down.Signal wire comprises four transmission signal line: 31a, 32a, 41a, 42a again, and it is connected with 42 with sensing signal line 31,32,41 respectively, and is thin than sensing signal line.
Characteristics of the present invention are, have at least a signal line to be positioned on the upper conductive film of groove of transparency carrier, or are positioned on the lower conductive film of the groove of transparency carrier down.With Fig. 4 a is example, and transmission signal line 32a is positioned on the upper conductive film 12 of groove 15 of transparency carrier 10, and sensing signal line 41 and 42 lays respectively at down on the lower conductive film 22 in the groove 25 and 26 of transparency carrier 20.In Fig. 4 a, staggering in the position of groove 15 and groove 26, so also staggers in the position of signal wire 32a and 42.
Between signal wire 41 and the upper conductive film 12, and between signal wire 32a and 42, then separate by solid (for example double faced adhesive tape) 50.In the edge of panel the zone of signal wire is arranged, be called the signal wire district, be denoted as S; Zone beyond the signal wire then is viewing area AA (active area; The active region).For the purpose of understanding easily, the width ratio of signal wire district S has amplification in Fig. 4 a, and is also inequality with the ratio among Fig. 3.
When last transparency carrier 10 is subjected to the external force touch-control, for example point or electronic pen (stylus), have between two conducting films 12 and 22 and electrically contact, and generation voltage, and by sensing signal line 31,32,41 and 42 sensing signals, by transmission signal line 31a, 32a, 41a and 42a signal is transferred out again.
According to the present invention, when a sensing signal line is designed to be positioned at the groove of a transparency carrier, connected transmission signal line preferably also is positioned at same groove, for example, please be simultaneously with reference to Fig. 3 and Fig. 4 a, groove 25 can be designed to cross over down the two edges of rectangular position of the upper surface of transparency carrier 20, to hold sensing signal line 41 and thinner transmission signal line 41a simultaneously.Moreover groove 15 can be designed to cross over the two edges of rectangular position of the lower surface of transparency carrier 10, to hold sensing signal line 32 and thinner transmission signal line 32a simultaneously.
Moreover the present invention can become to align with the Position Design of groove 15 and groove 26, makes the position of signal wire 32a and 42 also align, shown in Fig. 4 b.So, can make the width of signal wire district S reduce, and increase the area of viewing area AA.Because signal wire 32a and 42 is embedded in the groove, do not protrude, therefore can avoid short circuit.
Fig. 5 a to Fig. 5 d is the cut-open view of the touch panel of other preferred embodiment of the present invention, and the difference of its display signal line is provided with situation, partly changes at the B among Fig. 4 b.Show that as Fig. 5 a the edge of the upper surface of following transparency carrier 20 is provided with a groove 26, and signal wire 42 is positioned on the lower conductive film 22 of groove 26.Yet, do not establish groove on the edge of the lower surface of last transparency carrier 10, signal wire 82 is positioned on the flat surfaces of upper conductive film 12.
Fig. 5 b shows that in the B of Fig. 4 b part, the edge of the upper surface of following transparency carrier 20 is provided with two grooves 27, and two signal line 43 are positioned on the lower conductive film 22 of groove 27.Yet, do not establish groove on the edge of the lower surface of last transparency carrier 10, signal wire 82 is positioned on the flat surfaces of upper conductive film 12.
Fig. 5 c shows that in the B of Fig. 4 b part, the edge of the upper surface of last transparency carrier 10 is provided with two grooves 16, and two signal line 33 are positioned on the lower conductive film 12 of groove 16.The edge of the upper surface of following transparency carrier 20 is provided with two grooves 27, and two signal line 43 are positioned on the lower conductive film 22 of groove 27.
Show that as Fig. 5 d in the B of Fig. 4 b part, the edge of the upper surface of last transparency carrier 10 is provided with a groove 17, and a signal line 34 is positioned on the lower conductive film 12 of groove 17.The edge of the upper surface of following transparency carrier 20 is provided with two grooves 27, and two signal line 43 are positioned on the lower conductive film 22 of groove 27.
Can find out have segment signal line to be positioned at the groove of transparency carrier 10 or 20 by above preferred embodiments, therefore, compare that the present invention has the following advantages with the set-up mode of the signal wire of traditional touch panel:
(1) signal wire is designed to be positioned at the groove of transparency carrier, adhesive agent 50 becomes for flat surfaces fits, and therefore good reliability is arranged.
(2) because signal wire is positioned at the groove of transparency carrier, can increase the thickness of signal wire, and the thickness of unlikely increase integral panels.Therefore, can reduce the width of signal wire, and still can reach required electrical conductivity.So,, can dwindle the width of signal wire district S, thereby reduce whole apparent size for panel of the same area.
(3) when the signal wire of the groove that is positioned at upper and lower transparency carrier is designed to align (shown in Fig. 4 b) can more dwindle the width of signal wire district S, thereby reduces whole apparent size.Because signal wire is positioned at the groove of transparency carrier, do not protrude, can avoid the short circuit between the signal wire to take place.
Though foregoing of the present invention is made example with the four-wire type touch panel, also be applicable to five-line, six line formulas or eight line formula touch panels.
Comprehensively above-mentioned, in touch panel of the present invention, the edge designs of transparency carrier becomes to have groove, and signal wire (silver-colored line) then is positioned at the groove of transparency carrier.So, silver-colored line can be thickened, thereby can reduce the width of silver-colored line, makes the setting of silver-colored line occupy less plane space.As a result, less apparent size can be arranged, and silver-colored line can have high electrical conductivity, and reliability is good.
Though disclosed the present invention in conjunction with above preferred embodiment; yet it is not in order to restriction the present invention; any skilled personnel can do and change and retouching, so protection scope of the present invention should be with being as the criterion that claim was defined without departing from the spirit and scope of the present invention.
Claims (10)
1. touch panel, it comprises:
Transparency carrier on one, its lower surface scribbles a upper conductive film;
Transparency carrier once, its upper surface scribbles a lower conductive film;
One insulation spacer, between two conducting films on this upper and lower transparency carrier, in order to separately with two conducting films, but when should on transparency carrier when being subjected to the external force touch-control, have between two conducting films and electrically contact; And
Many signal line, every signal line be positioned at or the edge of lower conductive film on, and separate with another conducting film by solid or separate with another signal wire,
The edge that wherein should go up the lower surface of transparency carrier is provided with a groove, and there is a signal wire to be arranged on the interior upper conductive film of this groove, perhaps the edge of the upper surface of this time transparency carrier is provided with a groove, and has a signal wire to be arranged on the lower conductive film of this groove.
2. touch panel as claimed in claim 1, wherein this upper and lower transparency carrier is glass or plastics.
3. touch panel as claimed in claim 2, wherein this upper and lower transparency carrier is the pliability plastics.
4. touch panel as claimed in claim 1, wherein this signal wire is a metal wire.
5. touch panel as claimed in claim 1, the edge that wherein should go up the lower surface of transparency carrier is provided with a groove, and there is a signal wire to be arranged on the interior upper conductive film of this groove, and the edge of the upper surface of this time transparency carrier is provided with a groove, and has a signal wire to be arranged on the lower conductive film in this groove.
6. touch panel as claimed in claim 1, wherein these many signal line comprise:
Go up sensing signal line for two that are positioned on the relative two edges of upper conductive film; And
Be positioned at two following sensing signal line on the relative two edges of lower conductive film;
And following sensing signal line is the square position in last sensing signal line.
7. touch panel as claimed in claim 6, wherein these many signal line also comprise four transmission signal lines, are connected with this each sensing signal line respectively.
8. touch panel as claimed in claim 7, the two edges that wherein should go up the rectangular position of lower surface of transparency carrier are provided with a groove, and a sensing signal line and a transmission signal line are arranged on the upper conductive film in this groove.
9. touch panel as claimed in claim 7, wherein the two edges of the rectangular position of the upper surface of this time transparency carrier are provided with a groove, and a sensing signal line and a transmission signal line are arranged on the upper conductive film in this groove.
10. touch panel as claimed in claim 1, wherein this conducting film is indium tin oxide (ITO).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB03148686XA CN100392565C (en) | 2003-06-17 | 2003-06-17 | Contact control type panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB03148686XA CN100392565C (en) | 2003-06-17 | 2003-06-17 | Contact control type panel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1567360A true CN1567360A (en) | 2005-01-19 |
| CN100392565C CN100392565C (en) | 2008-06-04 |
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ID=34472350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB03148686XA Expired - Fee Related CN100392565C (en) | 2003-06-17 | 2003-06-17 | Contact control type panel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100392565C (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101308424B (en) * | 2007-05-15 | 2010-10-06 | 宏达国际电子股份有限公司 | Electronic device |
| CN101727225B (en) * | 2008-10-31 | 2011-10-05 | 胜华科技股份有限公司 | Touch panel and touch liquid crystal display |
| CN102314270A (en) * | 2010-07-01 | 2012-01-11 | 富创得科技股份有限公司 | Monolithic capacitor touch panel structure |
| CN101498972B (en) * | 2008-02-01 | 2012-07-18 | 台达电子工业股份有限公司 | Touching control panel |
| CN102656545A (en) * | 2009-10-15 | 2012-09-05 | Lg伊诺特有限公司 | Touch panel and manufacturing method thereof |
| US8411042B2 (en) | 2007-05-15 | 2013-04-02 | Htc Corporation | Electronic device |
| US8411043B2 (en) | 2007-05-15 | 2013-04-02 | Htc Corporation | Electronic device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05198727A (en) * | 1992-01-23 | 1993-08-06 | Fujitsu Miyagi Electron:Kk | Semiconductor device |
| JP3011697B2 (en) * | 1997-10-09 | 2000-02-21 | 日本写真印刷株式会社 | High strength touch panel and manufacturing method thereof |
| CN1336630A (en) * | 2000-07-27 | 2002-02-20 | 曾国浩 | Touching control panel and its manufacture |
| CN1155911C (en) * | 2000-09-26 | 2004-06-30 | 洋华光电股份有限公司 | Manufacture of touching control panel |
-
2003
- 2003-06-17 CN CNB03148686XA patent/CN100392565C/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101308424B (en) * | 2007-05-15 | 2010-10-06 | 宏达国际电子股份有限公司 | Electronic device |
| US8411042B2 (en) | 2007-05-15 | 2013-04-02 | Htc Corporation | Electronic device |
| US8411043B2 (en) | 2007-05-15 | 2013-04-02 | Htc Corporation | Electronic device |
| CN101498972B (en) * | 2008-02-01 | 2012-07-18 | 台达电子工业股份有限公司 | Touching control panel |
| CN101727225B (en) * | 2008-10-31 | 2011-10-05 | 胜华科技股份有限公司 | Touch panel and touch liquid crystal display |
| CN102656545A (en) * | 2009-10-15 | 2012-09-05 | Lg伊诺特有限公司 | Touch panel and manufacturing method thereof |
| US9400577B2 (en) | 2009-10-15 | 2016-07-26 | Lg Innotek Co., Ltd. | Capactive touch panel |
| CN102314270A (en) * | 2010-07-01 | 2012-01-11 | 富创得科技股份有限公司 | Monolithic capacitor touch panel structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100392565C (en) | 2008-06-04 |
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| C14 | Grant of patent or utility model | ||
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Granted publication date: 20080604 Termination date: 20170617 |