CN105159495B - Contact panel - Google Patents
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- CN105159495B CN105159495B CN201510543711.8A CN201510543711A CN105159495B CN 105159495 B CN105159495 B CN 105159495B CN 201510543711 A CN201510543711 A CN 201510543711A CN 105159495 B CN105159495 B CN 105159495B
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- Prior art keywords
- protective wire
- area
- cabling
- contact panel
- electrostatic protection
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Abstract
The present invention discloses a kind of contact panel, its insulating barrier for including substrate and being arranged at substrate surface.Substrate includes active region and positioned at the rim area of the active area edge, multiple touch control electrodes as touch-sensing are arranged in active region and export touching signals.Rim area includes first area and second area, and the first area is compared with the second area adjacent to the active region.The a plurality of cabling for being used to transmit touching signals is arranged at substrate surface corresponding to first area.Corresponding first, second region surface of insulating barrier is provided with the first protective wire.First protective wire adjacent to the side of insulating barrier to should first area there is a breach, one second protective wire is filled in breach.First, second protective wire is used as electrostatic protection, and the impedance of the first protective wire is less than the impedance of the second protective wire.
Description
Technical field
The present invention relates to a kind of contact panel for identifying user's touch operation.
Background technology
It is required for using contact panel in existing touch control display apparatus, portable touch control display apparatus is more commonly used,
Such as mobile phone or tablet personal computer etc..Touch control display apparatus is making, pack, test, transporting and equipped in use, at any time may be used
Energy electronic component and signal lead can be influenceed by electrostatic and destruction.For example, the touch control electrode in contact panel
And signal lead is by the touch operation that normal identification user is will be unable to after the destruction of electrostatic.
Therefore, electrostatic defending line would generally be made in the periphery of contact panel signal lead, to entering the quiet of contact panel
Electric charge carries out conduction and led off, prevents electrostatic charge from transmitting to cabling and touch control electrode.However, when outside a large amount of electrostatic charges
When causing electrostatic defending line not carry out leading conduction off to electrostatic charge in time into contact panel, partial electrostatic electric charge will be direct
Entering signal cabling and touch control electrode, the signal transmitted on it influence or even cabling and touch control electrode are caused to damage
It is bad.If directly increasing the width of electrostatic defending line, the cabling sector width of contact panel will certainly be caused to increase, also do not meet touch-control
The narrow frame demand of panel.
The content of the invention
In view of this, it is necessary to which a kind of contact panel with preferable electrostatic protection ability is provided.
A kind of contact panel, including：
Substrate, including active region and the rim area for being located at the active area edge；
Multiple touch control electrodes, are arranged at the active region, are operated for sensing touch and export touching signals；
The rim area includes first area and second area, and the first area is compared with the second area adjacent to the active region；
A plurality of cabling, it is arranged in the first area, and is connected respectively with the plurality of touch control electrode, for transmits touch-control letter
Number；
One insulating barrier, to should active region and the rim area cover the touch control electrode and a plurality of cabling；And
First protection structure, it is corresponding as electrostatic protection, including the first protective wire and the second protective wire, first protective wire
The first area and the second area are arranged on the insulating barrier, and first protective wire is adjacent to the side of the insulating barrier to should the
One region has a breach, and second protective wire is filled in the breach, and the impedance of first protective wire is less than second protection
The impedance of line.
Compared to prior art, be correspondingly arranged on the first area of a plurality of cabling, to should a plurality of cabling second protect
Protect in the breach for the bottom that line is embedded in the first protective wire, and because the conductive capability of the second protective wire is less than leading for the first protective wire
Electric energy power, therefore, when exterior static enters in contact panel, electrostatic can be oriented on the outside of remote cabling by the first protective wire
Row is led off, so as to prevent electrostatic charge to be directly transferred to cabling and touch control electrode.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram of contact panel in an embodiment of the present invention.
Fig. 2 is the planar structure schematic diagram of contact panel shown in Fig. 1.
Fig. 3 is mplifying structure schematic diagram of the wherein electrode layer of contact panel shown in Fig. 2 along III regions.
Fig. 4 is the surface structural representation of electrode layer shown in Fig. 3.
Fig. 5 is mplifying structure schematic diagrams of the Fig. 4 along V regions.
Main element symbol description
| Contact panel | 10 |
| First electrode layer | 150 |
| First laminating layer | 160 |
| The second electrode lay | 170 |
| Second laminating layer | 180 |
| Cover sheet | 190 |
| Active region | AA |
| Rim area | DA |
| First area | D1 |
| Second area | D2 |
| Substrate | 171 |
| Outward flange | 171a |
| Insulating barrier | 172 |
| Touch-control structure | TE |
| Touch control electrode | 173 |
| Cabling | 174 |
| Electrostatic protection line | 175 |
| First protection structure | 120 |
| First protective wire | 121 |
| Breach | 121a |
| Second protective wire | 122 |
| First width | L |
| Second width | y |
| 3rd width | a |
| 4th width | b |
| 5th width | h |
| First spacing | S |
| Second spacing | z |
| 3rd spacing | x |
| 4th spacing | m |
| 5th spacing | r |
| First direction | X1 |
| Second direction | Y1 |
Following embodiment will combine above-mentioned accompanying drawing and further illustrate the present invention.
Embodiment
Referring to Fig. 1, Fig. 1 is the planar structure schematic diagram of contact panel in an embodiment of the present invention.In the present embodiment
In, the contact panel 10 include first electrode layer 150, the first laminating layer 160, the second electrode lay 170, the second laminating layer 180 with
And cover sheet 190.
First electrode layer 150 is set with the mutually insulated of the second electrode lay 170, and includes multiple touch control electrodes respectively（See figure
2）, multiple touch control electrodes in two electrode layers cooperate to be operated for sensing touch, and touch-control letter corresponding to exporting
Number.
First laminating layer 160 is used to be bonded first electrode layer 150 and the second electrode lay 170, the second laminating layer 180
For cover sheet 190 and the second electrode lay 170 to be bonded.The material of first laminating layer 160 and the second laminating layer 180 can
Think transparent solid state optics glue（Optically Clear Adhesive, OCA）, change ground, the first laminating layer 160 with
The material of second laminating layer 180 can also be other transparent bonding materials, be not limited thereto.Cover sheet 190 can be
The glass or poly terephthalic acid class plastics of transparent material（Polyethylene Terephthalate, PET）Deng.
It should be noted that, although contact panel 10 includes first electrode layer 150 and the second electrode lay 170 in the present embodiment
Two-layer electrode layer, but in other embodiment of the present invention, contact panel 10 can also only include single-layer electrodes layer, the individual layer
Touch control electrode in electrode layer cooperates to be operated for sensing touch.
Referring to Fig. 2, the planar structure schematic diagram for contact panel 10 shown in Fig. 1.
Contact panel 10 includes active region AA and rim area DA, wherein, rim area DA is located at active region AA outside.
In present embodiment, rim area DA continued circlings are around active region AA.In other embodiment of the present invention, rim area DA
An active region AA wherein edge can also be located at.It is appreciated that work as the contact panel 10 and display panel（It is not shown）Match somebody with somebody
Close in use, active region AA corresponds to the image display area of display panel, rim area DA corresponds to the non-display area of display panel
Domain.
Corresponding active region AA is provided with multiple touch-control structure TE, and touch-control structure TE puts on the contact panel for sensing
Touch operation on 10, and correspond to and export touching signals to identify the touch control operation in the coordinate position of the contact panel 10.
In present embodiment, touch-control structure TE includes respectively the touch-control of X1 and second direction Y1 spread configurations in the first direction
Electrode, the touch control electrode mutually insulated of the both direction spread configuration, and capacitance structure (not shown) is formed to sense the touch
Operation.Wherein, first direction X1 and second direction Y1 is mutually perpendicular to.Wherein, the touch control electrode that X1 is set in the first direction can be set
It is placed in first electrode layer 150, the touch control electrode that Y1 is set in a second direction may be disposed at the second electrode lay 170.For example, first
The electrode structure that electrode layer 150 is included is used as driving electrodes, and the electrode in the second electrode lay 170 is used as sensing electrode.
Ground is changed, when contact panel 10 only includes single-layer electrodes layer, touch-control structure TE is also formed directly in one layer
In electrode layer, it is not limited thereto.
Contact panel 10 also includes the driving module 110 for being arranged at rim area DA, driving module 110 and touch-control structure TE
It is electrically connected with, carries out Treatment Analysis for exporting and receiving touching signals, and to the touching signals, touched so as to reach identification
Touch the purpose of operation.
Specifically, by taking the second electrode lay 170 as an example, also referring to Fig. 3-5, wherein, Fig. 3 is along III areas shown in Fig. 2
The plane mplifying structure schematic diagram of the second electrode lay 170 in domain；Fig. 4 is the portion of the second electrode lay 170 in III regions shown in Fig. 2
Divide side structure schematic diagram；Fig. 5 is mplifying structure schematic diagrams of the Fig. 4 along V regions.
The second electrode lay 170 includes the substrate 171 and insulating barrier 172 of setting stacked on top of one another.Substrate 171 is transparent material
Glass or PET.Insulating barrier 172 uses the insulating materials of transparent material.
The active region AA of corresponding contact panel 10, the second electrode lay 170 include multiple touch control electrodes 173, the plurality of touch-control
Electrode 173 is spaced the surface that a preset distance is arranged at substrate 171.
The rim area DA of contact panel 10 further defines first area D1 and second area D2, and second area D2 is surround should
First area D1, first area D1 are compared with second area D2 adjacent to active region AA.In the present embodiment, first area D1 is used
In laying a plurality of cabling 174 arranged in parallel, second area D2 is used to lay electrostatic protection line 175.
The a plurality of corresponding first area D1 of cabling 174 is arranged at the surface of substrate 171.A plurality of cabling 174 is spaced the first interval S,
And each cabling 174 is respectively provided with the first width L.
In present embodiment, cabling 174 is the cabling of double-deck different materials, and the material of the two-layer wiring is divided into tin indium oxide
(Indium tin oxide, ITO) and copper（Cu）.Change the silver paste material composition on ground, cabling 174 or individual layer.This is more
Bar cabling 174 is electrically connected with the plurality of touch control electrode 173 and driving module 110 respectively, in the plurality of touch control electrode
Touching signals are transmitted between 173 and driving module 110.
The corresponding second area D2 of electrostatic protection line 175 is arranged at the surface of substrate 171 with a plurality of cabling 174 with layer, and
And be electrically connected with the earth terminal of the earth terminal of the external circuit of contact panel 10 or drive circuit 110, for second will to be entered
The electrostatic charge of electrode layer 170 leads conduction off to earth terminal, prevents electrostatic charge from transmitting to cabling 174 and touch control electrode 173.
In the present embodiment, the electrostatic protection line 175 is arranged on the periphery of a plurality of cabling 174, and is arranged parallel with a plurality of cabling 174
Row, and the second width y of the electrostatic protection line 175 is more than the first width L of the cabling 174, in favor of the conduction of electric charge.
Further, it is the second spacing z to define electrostatic protection line 175 apart from the minimum range of a plurality of cabling 174, definition
The 171a apart from the outward flange of substrate 171 of electrostatic protection line 175 minimum range is the 3rd spacing x.In the present embodiment, between second
It is less than the second width y, while the first width L and the half of the first interval S sum not less than a plurality of cabling 174, i.e. z away from z
≥（L+S）/ 2, preferably to ensure that electrostatic charge is conducted from electrostatic protection line 175, prevent electrostatic charge from transmitting to walking
Line 174 and touch control electrode 173.
Insulating barrier 172 directly covers the plurality of touch control electrode 173, a plurality of cabling 174, electrostatic protection line 175 and substrate
171, the thickness of insulating barrier 172 is less than 100 μm.
First protection structure 120 is arranged at the surface of insulating barrier 172 corresponding to the DA of rim area, the protection structure of part first
120 pairs should first area D1 set and including a hierarchic structure, 120 corresponding second area D2 of the first protection structure of part.The
One protection structure 120 also serves as electrostatic protection.
First protection structure 120 includes the first protective wire 121 and the second protective wire 122.
First protective wire 121 to should first area D1 and second area D2 be arranged at the surface of the insulating barrier 172, first
Protective wire 121 and earth terminal are electrically connected with, as leading transmission electrostatic charge off.First protective wire 121 is in the neighbouring insulating barrier 172
Side correspond to first area D1 there is a breach 121a so that 121 corresponding first area D1 of the first protective wire thickness
Less than 121 corresponding second area D2 of the first protective wire thickness.
Preferably, 121 corresponding second area D2 of the first protective wire thickness is not more than 20 μm, and breach 121a height
No more than 5 μm, that is to say, that 121 corresponding first area D1 of the first protective wire thickness is not more than 15 μm.Due to the first protective wire
121 integral thickness is not more than 20 μm, therefore the setting of the first protective wire 121 can more effectively lead transmission electrostatic charge off
Meanwhile the integral thickness of the second electrode lay 170 can't be caused to affect greatly.In addition, breach 121a thickness is maintained at 5
When below μm, it will not be affected greatly to the electric conductivity of the first protective wire 121, while can also effectively change the first guarantor
The charge transfer path of line 121 is protected, that is, the electric charge received by the first side of the protective wire 121 away from insulating barrier 172 is drawn
It is directed at the side of the contact insulation layer 172 with breach 121a.
First protective wire 121 has the 3rd width a, and the outer of the first protective wire 121 and the outward flange 171a of substrate 171 have
There is the 4th spacing m.Preferably, the 3rd width a is more than the second width y of electrostatic protection line 175, and the 4th spacing m is less than
3rd spacing x so that the first protective wire 121 compared with electrostatic protection line 175 more close to the outward flange 171a of substrate so that it is outer
The electrostatic charge in portion can initially enter the first protective wire 121.In addition, the first protective wire 121 covers on the thickness direction of substrate 171
Electrostatic protection line 175, so that the conductive capability of the first protective wire 121 is more than the conductive capability of electrostatic protection line 175 so that
Most of electrostatic charge is transmitted in the first protective wire 121, to prevent electrostatic protection line 175 to be damaged.
In present embodiment, the first protective wire 121 generally trapezium structure, ground is changed, the first protective wire 121 also can be whole
Body is rectangle or square structure.First protective wire 121 is conductor and has the first impedance R1, and silver paste material can be selected in its material
Material.
Second protective wire, 122 corresponding first area D1 is arranged at the surface of insulating barrier 172, and has the 4th width b, wherein,
4th width b is less than the 3rd width a.The second protective wire of part 122 is filled in breach 121a, and is not filled by breach 121a's
Part extends the 5th width h with covering part cabling from first protective wire 121 to the direction of neighbouring the plurality of touch control electrode 173
174, it will not be conducted so as to which the side of insulating barrier 172 corresponds to first area D1 electrostatic charges directly through insulating barrier 172 to cabling
174.Ground is changed, the second protective wire 122 can also be stuffed entirely with breach 121a.
Second protective wire 122 is adjacent to outward flange 171a side and side of the electrostatic protection line 175 away from outward flange 171a
There is the 5th spacing r, the 5th spacing r to be not more than the second spacing z half on the vertical thickness direction of substrate 171 so that second
Protective wire 122, more close to electrostatic protection line 175, to prevent electrostatic charge from transmitting to cabling 174 with more having, reaches compared with cabling 174
The effect of into protection cabling 174.
In present embodiment, the thickness of the second protective wire 122 is identical with breach 121a height, no more than 5 μm.Separately
Outside, the material of the second protective wire 122 can be conductive material, such as ITO or development.Wherein, when the second protective wire 122
Material when being conductive material, the second protective wire 122 has the second impedance R2.
Second impedance R2 of the second protective wire 122 is more than the first impedance R1 of the first protective wire 121, that is to say, that first
The conductive capability of protective wire 121 is more than the conductive capability of the second protective wire 122, thus, the coordinate breach of the second protective wire 122
121a so that the electrostatic charge into the first protective wire 121 will not transmit from breach 121a directions, but concentration of transmissions is to second
First protective wire 121 corresponding to the D2 of region, protected with being formed to cabling 174.
In the present embodiment, as the first impedance R1 that the second impedance R2 of the second protective wire 122 is the first protective wire 121
At more than 100 times, it can preferably prevent the electrostatic charge into the first protective wire 121 from transmitting to walking corresponding to the D1 of first area
Line 174.
Ground is changed, the second protective wire 122 can also be insulating materials, and it can be and the identical material of insulating barrier 172
Matter, accordingly, the second protective wire 122 can then be completed with insulating barrier 172 in same processing procedure.It is appreciated that when the second protection
When line 122 is insulating materials, impedance of its impedance much larger than the first conductive protective wire 121.
Compared to prior art, the first area D1 of a plurality of cabling 174 is correspondingly arranged on, to should a plurality of cabling 174
The second protective wire 122 bottom for being embedded in the first protective wire 121 breach 121a in, and due to the conduction of the second protective wire 122
Ability is less than the conductive capability of the first protective wire 121, therefore, when exterior static enters in contact panel 10, the first protective wire
Electrostatic can be oriented to the direction away from cabling 174 by 121 to carry out leading transmission off, so as to prevent electrostatic charge to be directly transferred to cabling
174 and touch control electrode 173.
Further, because the outside of cabling 174 is further provided with electrostatic protection line 175, therefore, outside a large amount of electrostatic electricity
When lotus is entered in contact panel 10, the first protective wire 121 can also directly lead electrostatic charge to electrostatic protection line 175 off,
So as to more effectively prevent electrostatic charge from transmitting to cabling 174.
In addition, the part of the first protection structure 120 covers cabling 174, therefore, and do not cover the partial width of cabling 174 compared with
It is small, so as to ensure that rim area DA width is smaller, adapt to the narrow frame demand of contact panel 10.
It should be noted that the structure shown in the structure and Fig. 4 of first electrode layer 150 is essentially identical, this specification is no longer
Repeat.It is appreciated that the touch control electrode included by first electrode layer 150（It is not shown）With the second electrode lay 170 included by touch
Control electrode 173 collectively forms touch-control structure TE.
The above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, although with reference to preferred embodiment to this hair
It is bright to be described in detail, it will be understood by those within the art that, technical scheme can be modified
Or equivalent substitution, without departing from the spirit and scope of technical solution of the present invention.
Claims (10)
- A kind of 1. contact panel, it is characterised in that including：Substrate, including active region and the rim area for being located at the active area edge；Multiple touch control electrodes, are arranged at the active region, are operated for sensing touch and export touching signals；The rim area includes first area and second area, and the first area is compared with the second area adjacent to the active region；A plurality of cabling, it is arranged in the first area, and is connected respectively with the plurality of touch control electrode, for transmits touching signals；One insulating barrier, to should active region and the rim area cover the touch control electrode and a plurality of cabling；AndFirst protection structure, as electrostatic protection, including the first protective wire and the second protective wire, first protective wire is to should One region and the second area are arranged on the insulating barrier, and first protective wire is adjacent to the side of the insulating barrier to should the firstth area Domain has a breach, and second protective wire is filled in the breach, and the impedance of first protective wire is less than second protective wire Impedance；Electrostatic protection line, covered with a plurality of cabling with layer insulation set in the corresponding substrate surface of the second area, the insulating barrier Cover the electrostatic protection line；The width of the electrostatic protection line is less than the width of first protective wire, should on the substrate thickness direction First protective wire covers the electrostatic protection line, and the distance of the electrostatic protection linear distance basal edge is more than first protective wire Apart from the distance of the basal edge.
- 2. contact panel as claimed in claim 1, it is characterised in that first protective wire to should second area thickness not More than 20 μm, the height of the breach is not more than 5 μm.
- 3. contact panel as described in claim 1 or 2, it is characterised in that the impedance of first protective wire is less than or equal to should 100 times of the impedance of second protective wire.
- 4. contact panel as claimed in claim 3, it is characterised in that second protective wire is insulating materials.
- 5. contact panel as claimed in claim 3, it is characterised in that second protective wire is conductor.
- 6. contact panel as claimed in claim 1, it is characterised in that second protective wire is partially filled in the breach, and Direction of the part along the neighbouring touch control electrode being not filled by the breach extends and covers a plurality of cabling.
- 7. contact panel as claimed in claim 6, it is characterised in that the width of first protective wire is more than second protective wire Width.
- 8. contact panel as claimed in claim 1, it is characterised in that first protective wire is small apart from the distance of the basal edge The distance of the wire of the closest basal edge and the basal edge in a plurality of cabling.
- 9. contact panel as claimed in claim 1, it is characterised in that this is walked the width of the electrostatic protection line more than any one The width of line, and on the direction perpendicular to substrate thickness, the minimum range of the electrostatic protection line and a plurality of cabling is more than should The distance of electrostatic protection line and second protective wire.
- 10. contact panel as claimed in claim 1, it is characterised in that the width of the electrostatic protection line is more than the electrostatic protection The minimum range of line and a plurality of cabling, and the minimum range of the electrostatic protection line and a plurality of cabling is not less than a plurality of cabling The distance between half with any one trace width sum in a plurality of cabling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510543711.8A CN105159495B (en) | 2015-08-31 | 2015-08-31 | Contact panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510543711.8A CN105159495B (en) | 2015-08-31 | 2015-08-31 | Contact panel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105159495A CN105159495A (en) | 2015-12-16 |
| CN105159495B true CN105159495B (en) | 2018-03-20 |
Family
ID=54800374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510543711.8A Expired - Fee Related CN105159495B (en) | 2015-08-31 | 2015-08-31 | Contact panel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105159495B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114678382A (en) * | 2019-02-22 | 2022-06-28 | 群创光电股份有限公司 | Display device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104298380A (en) * | 2013-07-16 | 2015-01-21 | 宏达国际电子股份有限公司 | Touch control panel |
| CN204360344U (en) * | 2015-02-27 | 2015-05-27 | 宸鸿科技(厦门)有限公司 | Electrostatic defending contact panel |
| CN104866126A (en) * | 2014-02-25 | 2015-08-26 | 宸鸿科技(厦门)有限公司 | Touch panel |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8310609B2 (en) * | 2008-09-30 | 2012-11-13 | Sony Corporation | Liquid crystal device, electronic apparatus, and method of manufacturing liquid crystal device |
-
2015
- 2015-08-31 CN CN201510543711.8A patent/CN105159495B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104298380A (en) * | 2013-07-16 | 2015-01-21 | 宏达国际电子股份有限公司 | Touch control panel |
| CN104866126A (en) * | 2014-02-25 | 2015-08-26 | 宸鸿科技(厦门)有限公司 | Touch panel |
| CN204360344U (en) * | 2015-02-27 | 2015-05-27 | 宸鸿科技(厦门)有限公司 | Electrostatic defending contact panel |
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| Publication number | Publication date |
|---|---|
| CN105159495A (en) | 2015-12-16 |
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Effective date of registration: 20181015 Address after: No. 689, cooperative road, hi-tech West District, Chengdu, Sichuan Co-patentee after: INTERFACE OPTOELECTRONICS (SHENZHEN) Co.,Ltd. Patentee after: Interface Technology (Chengdu) Co., Ltd. Address before: 518109 1.5, 3 of Foxconn science and technology group H District, two Longhua Road, Longhua New District, Shenzhen, Guangdong. Co-patentee before: General Interface Solution Ltd. Patentee before: INTERFACE OPTOELECTRONICS (SHENZHEN) Co.,Ltd. |
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Granted publication date: 20180320 Termination date: 20210831 |
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