CN103197813A - Touch panel - Google Patents
Touch panel Download PDFInfo
- Publication number
- CN103197813A CN103197813A CN2012103709665A CN201210370966A CN103197813A CN 103197813 A CN103197813 A CN 103197813A CN 2012103709665 A CN2012103709665 A CN 2012103709665A CN 201210370966 A CN201210370966 A CN 201210370966A CN 103197813 A CN103197813 A CN 103197813A
- Authority
- CN
- China
- Prior art keywords
- lead
- contact panel
- pad
- bar
- connecting line
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
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- Position Input By Displaying (AREA)
- Electronic Switches (AREA)
Abstract
A touch panel includes a substrate, conductive lines, conductive pads, connecting lines, ground lines and dummy pads. The substrate has a first surface. The conductive lines and the ground lines are arranged abreast on the first surface and extended along a first direction. The conductive pads and the dummy pads are on the first surface. N conductive pads are between two adjacent conductive lines. The connecting lines are arranged on the first surface and connected to the conductive pads. 1-N conductive pads located between an i-th conductive line to a (i+1)-th conductive line are connected to 1-N connecting lines. 1-N connecting lines are between the 1-N conductive pads and the (i+1)-th conductive line. All of the N-th connecting lines are electrically connected to each other. An i-th ground line is between the (i+1)-th conductive line and the corresponding 1-N connecting lines. The dummy pads are between the i-th conductive line and the corresponding 1-N conductive pads.
Description
Technical field
The present invention relates to a kind of contact panel, and particularly relate to a kind of capacitance type touch-control panel.
Background technology
In recent years, fast development and application along with information technology, radio mobile communication and information household electrical appliances, in order to reach more convenient, lighter and handyizatioier of volume and more humane purpose, many information products change into and use contact panel (Touch Panel) as input media by input medias such as traditional keyboard or mouses.
Contact panel can be divided into electric resistance touch-control panel, capacitance type touch-control panel, optical touch control panel, sound wave type contact panel and electromagnetic touch-control panel haply according to the difference of sensing form.Since the contact panel that capacitance type touch-control panel is compared to other types have the reaction time fast, fiduciary level is good and the high advantages such as (high definition) of resolution, therefore be widely used on all kinds of hand-hold electronic devices.
Summary of the invention
The object of the present invention is to provide a kind of contact panel, it can promote the sensitivity of signal transmitting quality and sensing.
For reaching above-mentioned purpose, the present invention proposes a kind of contact panel, and it comprises a substrate, many leads, a plurality of pad, many connecting lines, a plurality of ground wire and a plurality of plan pads of leading.Substrate has a first surface.Lead and extends along a first direction respectively side by side on first surface.Lead pad and being disposed on the first surface, wherein have N between the wantonly two adjacent leads and lead pad.Connecting line is disposed on the first surface, and connects respectively and lead pad, wherein leads pad and is connected the 1st ~ N bar connecting line respectively in that i bar lead and the 1st ~ N between the i+1 bar lead are individual.The 1st ~ N bar connecting line mutually side by side and be positioned at the 1st ~ N and lead between pad and the i+1 bar lead, and all the j bar connecting lines on the substrate are electrically connected mutually.J and i are positive integer.Ground wire and extends along first direction respectively side by side on first surface, and wherein i bar ground wire is positioned between its corresponding the 1st ~ N bar of the i+1 bar lead connecting line.Intend pad (dummy pads) and be disposed on the first surface, and be positioned at its corresponding the 1st ~ N of i bar lead and lead between the pad.
In one embodiment of this invention, above-mentioned the 1st ~ N bar connecting line extends to the same side of substrate.
In one embodiment of this invention, above-mentioned contact panel also comprises a flexible circuit board.Flexible circuit board is arranged at the same side of base material.The 1st ~ N bar connecting line is electrically connected to flexible circuit board respectively.
In one embodiment of this invention, above-mentioned part the 1st ~ N bar connecting line extends to first side of substrate.The 1st ~ N bar connecting line of another part extends to substrate with respect to one second side of first side.
In one embodiment of this invention, above-mentioned contact panel also comprises one first flexible circuit board and one second flexible circuit board, first and second flexible circuit board is electrical connected each other, and first side that is arranged at base material respectively reaches one second side with respect to first side, part the 1st～N bar connecting line is electrically connected to first flexible circuit board respectively, and remaining the 1st ~ N bar connecting line is electrically connected to second flexible circuit board respectively.
In one embodiment of this invention, the material of above-mentioned connecting line comprises conductive transparent material.
In one embodiment of this invention, the width of above-mentioned lead is identical.
In one embodiment of this invention, above-mentioned the measure-alike of pad of leading.
In one embodiment of this invention, the above-mentioned size of leading pad is inequality.
Based on above-mentioned, the present invention reaches the distance of leading accordingly between the pad in order to adjust lead, a plurality of plan pads that have neither part nor lot in circuit layout are arranged at lead and its corresponding leading between the pad on the contact panel, to reduce lead and the corresponding stray capacitance of leading between pad to be produced to the influence of touch-control quality.And, be arranged at lead and corresponding leading between the pad with intending pad, also can reduce when causing contact panel to be disposed on the backlight module greatly because of spacing between the two has the inhomogeneous situation of printing opacity to produce.In addition, the present invention also is arranged at ground wire between its corresponding connecting line of lead on the contact panel, and is interfering with each other and cause the bad problem of signal transmission to reduce between two adjacent and side by side leads.
For above-mentioned feature and advantage of the present invention can be become apparent, embodiment cited below particularly, and cooperate appended accompanying drawing to be described in detail below.
Description of drawings
Fig. 1 is according to looking synoptic diagram on a kind of contact panel of one embodiment of the invention.
The main element symbol description
100: contact panel
110: substrate
112: first surface
114,116: bridge region
Ry
1~ Ry
i: lead
Tx
1~ Tx
N: lead pad
CL
1~ CL
N: connecting line
GL
1~ GL
I-1: ground wire
160: intend pad
170a: first flexible circuit board
170b: second flexible circuit board
D1: first direction
D2: second direction
Embodiment
Fig. 1 is according to looking synoptic diagram on a kind of contact panel of one embodiment of the invention.Please refer to Fig. 1, the contact panel 100 of present embodiment comprises a substrate 110, many lead Ry
1~ Ry
i, a plurality of lead the pad Tx
1~ Tx
N, many connecting line CL
1~ CL
N, a plurality of ground wire GL
1~ GL
NAnd a plurality of plan pads 160.Lead Ry
1~ Ry
iSide by side on a first surface 112 of substrate 110, and extend along a first direction D1 respectively.Lead pad Tx
1~ Tx
NAlso be disposed on the first surface 112.Specifically, a plurality of pad Tx that lead
1Arrange and form one first sensing serials by many connecting line CL1 serial connections respectively along a second direction D2.In like manner, lead pad Tx
2... Tx
NAll adopt identical layout, to form the second ~ the N sensing serials of extending along second direction respectively, wherein, first direction D1 is perpendicular to second direction D2.At this, the lead Ry of contact panel 100
1~ Ry
iWith lead the pad Tx
1~ Tx
NQuantity can equate that also not can be and wait, the present invention is not at lead Ry
1~ Ry
iWith lead the pad Tx
1~ Tx
NQuantity limit.
So, lead Ry1 ~ Ryi reaches the sensing of face with leading pad Tx1 ~ TxN cross-over configuration.As user during with finger contact contact panel 100, the lead Ry1 ~ Ryi of contact panel 100 with lead the change that pad Tx1 ~ TxN can produce an electric capacity in finger institute position contacting.Contact panel 100 is the change on the electric capacity and calculate the coordinate of contact point and be sent to connected electronic installation thus just.Generally speaking, lead Ry
1~ Ry
iAnd lead and fill up Tx
1~ Tx
NIf be disposed on the Different Plane alternately, will make contact panel 100 produce visual otherness, so present embodiment is with lead Ry
1~ Ry
iAnd lead and fill up Tx
1~ Tx
NBe arranged at and reduce the thickness of contact panel 100 on the same plane and increase penetrance.Therefore, when contact panel 100 and a display panel were integrated into the display with touch controllable function, contact panel 100 can have optical property preferably.
Below will be at lead Ry adjacent among Fig. 1
1And lead Ry
2And therebetween element does further the structure configuration of contact panel 100 and illustrates, and so its structure configuration mode is not only applicable to lead Ry
1And lead Ry
2Between, use to whole contact panel 100 and be suitable for extension set.
As shown in Figure 1, two adjacent lead Ry
1With lead Ry
2Between have N and lead pad Tx
1~ Tx
NConnecting line CL
1~ CL
NBe disposed on the first surface 112, and pad Tx is led in connection respectively
1~ Tx
NIn other words, be positioned at lead Ry
1With lead Ry
2Between lead the pad Tx
1~ Tx
NBe connected to connecting line CL respectively
1~ CL
NConnecting line CL
1~ CL
NMutually side by side and be positioned at lead the pad Tx
1~ Tx
NWith lead Ry
2Between, and all the connecting line CL on the substrate 110
1Be electrically connected mutually, lead pad Tx with all that connect on the second direction
1And form first sensing serials.In like manner, connecting line CL
2... CL
NAll can adopt identical layout, to form the second ~ the N sensing serials respectively.Connecting line CL
1~ CL
NMainly be in order to lead Ry
1~ Ry
iWith lead the pad Tx
1~ Tx
NIn the sensing signal that produces transfer to a control circuit and the control signal that control circuit is exported transferred to lead Ry
1~ Ry
iWith lead the pad Tx
1~ Tx
N
Hold above-mentioned, connecting line CL
1~ CL
NMay extend to the bridge region 114 of contact panel 100, and by the bridging element on the bridge region 114 with connecting line CL
1~ CL
NDo electrical connection along second direction D2 respectively, to form the first ~ the above-mentioned N sensing serials respectively.In the present embodiment, contact panel 100 comprises one first bridge region 114 and one second bridge region 116, lays respectively at the relative both sides of substrate 110.Contact panel 100 also comprises one first flexible circuit board 170a and one second flexible circuit board 170b, be arranged at respectively on first bridge region 114 and second bridge region 116, and primary circuit board 170a and secondary circuit board 170b is electrically connected to each other.The connecting line CL of part
1~ CL
NBe electrically connected to the first flexible circuit board 170a, and the connecting line CL of another part
1~ CL
NThen be electrically connected to the second flexible circuit board 170b.So configuration is because all connecting line CL
1~ CL
NBe connected to the bridge region 114,116 of substrate 110 relative both sides respectively, therefore can significantly save the distribution space on the contact panel 100, and then dwindle the volume of contact panel 100.Certainly, the present invention is not limited thereto.In other embodiments of the invention, connecting line CL
1~ CL
NAlso can be connected on the same side of substrate 110 totally.Its configuration mode is for example for to arrange a flexible circuit board on a bridge region of contact panel, and wherein bridge region is positioned at a side of substrate 110, again with connecting line CL
1~ CL
NBe electrically connected on the above-mentioned flexible circuit board.
In the present embodiment, connecting line CL
1~ CL
NMaterial be conductive transparent material, for example be indium tin oxide (Indium Tin Oxide, ITO), indium-zinc oxide (Indium Zinc Oxide, IZO), aluminum zinc oxide (Al doped zinc oxide, AZO) or indium oxide (Indium Oxide) or above-mentioned combination in any etc.Actual, in the present embodiment, the width of lead Ry1 ~ Ryi is identical, and it is also identical to lead the size of filling up Tx1 ~ TxN.Yet the present invention is as limit, and in other embodiments of the invention, the size of leading pad Tx1 ~ TxN also may be different, for example adjusts according to the demand of the resolution of contact area (for example size of finger) or induction.
Hold above-mentioned, in the present embodiment, ground wire GL
1~ GL
I-1Be arranged side by side on first surface 112, and extend along first direction D1 respectively.The present embodiment spy is with ground wire GL
1~ GL
I-1Be arranged at respectively between the connecting line that lead is adjacent, electrically disturb and cause the bad problem of signal transmission to reduce to produce each other between the connecting line that lead is adjacent.For example shown in Figure 1, with ground wire GL
1Be positioned at lead Ry
2Its corresponding connecting line CL
1~ CL
NBetween, prevent Ry
2Its corresponding connecting line CL
1~ CL
NBetween signal interfering with each other.
In addition, as lead Ry
1~ Ry
iAnd lead accordingly and fill up Tx
1~ Tx
NBetween at a distance of crossing when near, the stray capacitance that produces between the two can influence the normal operation of contact panel.Therefore, lead Ry
1～Ry
iAnd lead accordingly and fill up Tx
1~ Tx
NBetween distance must be adjusted to suitable spacing.Yet, if with lead Ry
1~ Ry
iAnd lead accordingly and fill up Tx
1~ Tx
NBetween distance widen, then may cause manufacture craft difficulty and contact panel 100 to have the inhomogeneous situation of printing opacity to produce.In view of this, present embodiment will be intended pad 160 and be arranged at lead and its corresponding the 1st ~ N and lead between the pad, to adjust lead Ry
1～Ry
iAnd lead accordingly and fill up Tx
1~ Tx
NBetween distance, make contact panel 100 keep normal operations, also can keep the printing opacity uniformity coefficient of contact panel 100.At this, intend pad 160 only in order to interval lead Ry
1~ Ry
iFill up Tx with corresponding leading
1~ Tx
N, and have neither part nor lot in circuit layout.
In sum, the present invention reaches the distance of leading accordingly between the pad in order to adjust lead, a plurality of plan pads that have neither part nor lot in circuit layout are arranged at lead and its corresponding leading between the pad on the contact panel, to reduce lead and the corresponding stray capacitance of leading between pad to be produced to the influence of touch-control quality.And, the plan pad is arranged at lead and corresponding leading between the pad, also can reduce the inhomogeneous situation generation of printing opacity when causing contact panel to be disposed on the backlight module greatly because of spacing between the two.In addition, the present invention also is arranged at ground wire between its corresponding connecting line of lead on the contact panel, and is interfering with each other and cause the bad problem of signal transmission to reduce between two adjacent and side by side leads.
Though disclose the present invention in conjunction with above embodiment; yet it is not in order to limit the present invention; be familiar with this operator in the technical field under any; without departing from the spirit and scope of the present invention; can do a little change and retouching, thus protection scope of the present invention should with enclose claim was defined is as the criterion.
Claims (9)
1. contact panel comprises:
Substrate has first surface;
Many leads side by side on this first surface, and extend along first direction respectively;
A plurality of pads of leading are disposed on this first surface, wherein have N the described pad of leading between the wantonly two adjacent leads;
Many connecting lines, be disposed on this first surface, and connect those respectively and lead pad, wherein lead pad and be connected the 1st ~ N bar connecting line respectively for the 1st ~ N between i bar lead and i+1 bar lead, the 1st ~ N bar connecting line mutually side by side and be positioned at the 1st ~ N and lead between pad and this i+1 bar lead, and all the j bar connecting lines on this substrate are electrically connected mutually, and j and i are positive integer;
A plurality of ground wires side by side on this first surface, and extend along this first direction respectively, and wherein i bar ground wire is positioned between its corresponding the 1st ~ N bar of this i+1 bar lead connecting line; And
A plurality of plan pads are disposed on this first surface, and are positioned at its corresponding the 1st ~ N of this i bar lead and lead between the pad.
2. contact panel as claimed in claim 1, wherein the 1st ~ N bar connecting line extends to the same side of this substrate.
3. contact panel as claimed in claim 2 also comprises flexible circuit board, is arranged at this same side of this base material, and the 1st ~ N bar connecting line is electrically connected to this flexible circuit board respectively.
4. contact panel as claimed in claim 1, some of the 1st ~ N bar connecting lines extend to first side of this substrate, and the 1st ~ N bar connecting line of another part extends to this substrate with respect to one second side of this first side.
5. contact panel as claimed in claim 4, also comprise one first flexible circuit board and one second flexible circuit board, this first and second flexible circuit board is electrical connected each other, and this first side that is arranged at this base material respectively reaches one second side with respect to this first side, part the 1st ~ N bar connecting line is electrically connected to this first flexible circuit board respectively, and remaining the 1st ~ N bar connecting line is electrically connected to this second flexible circuit board respectively.
6. contact panel as claimed in claim 1, wherein the material of those connecting lines comprises conductive transparent material.
7. contact panel as claimed in claim 1, wherein the width of those leads is identical.
8. contact panel as claimed in claim 1, wherein those lead the measure-alike of pad.
9. contact panel as claimed in claim 1, wherein those sizes of leading pad are inequality.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201261583205P | 2012-01-05 | 2012-01-05 | |
| US61/583,205 | 2012-01-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103197813A true CN103197813A (en) | 2013-07-10 |
Family
ID=48720462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012103709665A Pending CN103197813A (en) | 2012-01-05 | 2012-09-28 | Touch panel |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103197813A (en) |
| TW (1) | TWI472978B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102929464A (en) * | 2012-11-08 | 2013-02-13 | 敦泰科技有限公司 | Touch screen device and touch screen body thereof |
| CN106502443A (en) * | 2015-09-08 | 2017-03-15 | 和鑫光电股份有限公司 | Touch control component and touch control display module |
| CN107831940A (en) * | 2017-11-16 | 2018-03-23 | 业成科技（成都）有限公司 | Has the contactor control device of antistatic capacity |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101655410B1 (en) | 2014-08-26 | 2016-09-07 | 엘지디스플레이 주식회사 | In-cell Touch type liquid crystal display device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101609384A (en) * | 2008-06-18 | 2009-12-23 | 爱普生映像元器件有限公司 | The display device of capacitance type input device and tape input function |
| CN101694605A (en) * | 2009-10-27 | 2010-04-14 | 友达光电股份有限公司 | Touch panel |
| CN101866250A (en) * | 2009-04-14 | 2010-10-20 | 爱特梅尔公司 | Two-dimensional position sensor |
| CN102016762A (en) * | 2008-04-25 | 2011-04-13 | 苹果公司 | Ground guard for capacitive sensing |
| US20110291977A1 (en) * | 2009-01-26 | 2011-12-01 | Sharp Kabushiki Kaisha | Touch panel incorporating display device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101881899B (en) * | 2009-05-08 | 2011-11-02 | 义强科技股份有限公司 | Liquid crystal display |
| TWI396122B (en) * | 2010-06-04 | 2013-05-11 | Wei Chuan Chen | Manufacturing method of touch panel |
-
2012
- 2012-09-28 TW TW101136012A patent/TWI472978B/en not_active IP Right Cessation
- 2012-09-28 CN CN2012103709665A patent/CN103197813A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102016762A (en) * | 2008-04-25 | 2011-04-13 | 苹果公司 | Ground guard for capacitive sensing |
| CN101609384A (en) * | 2008-06-18 | 2009-12-23 | 爱普生映像元器件有限公司 | The display device of capacitance type input device and tape input function |
| US20110291977A1 (en) * | 2009-01-26 | 2011-12-01 | Sharp Kabushiki Kaisha | Touch panel incorporating display device |
| CN101866250A (en) * | 2009-04-14 | 2010-10-20 | 爱特梅尔公司 | Two-dimensional position sensor |
| CN101694605A (en) * | 2009-10-27 | 2010-04-14 | 友达光电股份有限公司 | Touch panel |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102929464A (en) * | 2012-11-08 | 2013-02-13 | 敦泰科技有限公司 | Touch screen device and touch screen body thereof |
| CN102929464B (en) * | 2012-11-08 | 2016-02-03 | 敦泰科技有限公司 | A kind of touch panel device and touch-screen body thereof |
| CN106502443A (en) * | 2015-09-08 | 2017-03-15 | 和鑫光电股份有限公司 | Touch control component and touch control display module |
| CN107831940A (en) * | 2017-11-16 | 2018-03-23 | 业成科技（成都）有限公司 | Has the contactor control device of antistatic capacity |
| CN107831940B (en) * | 2017-11-16 | 2020-10-23 | 业成科技（成都）有限公司 | Touch device with electrostatic protection capability |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI472978B (en) | 2015-02-11 |
| TW201329813A (en) | 2013-07-16 |
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Legal Events
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20130710 |