CN104298380B - Touch control panel - Google Patents
Touch control panel Download PDFInfo
- Publication number
- CN104298380B CN104298380B CN201310298426.5A CN201310298426A CN104298380B CN 104298380 B CN104298380 B CN 104298380B CN 201310298426 A CN201310298426 A CN 201310298426A CN 104298380 B CN104298380 B CN 104298380B
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- CN
- China
- Prior art keywords
- electrostatic protection
- protection circuit
- section
- contact panel
- 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.)
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Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04107—Shielding in digitiser, i.e. guard or shielding arrangements, mostly for capacitive touchscreens, e.g. driven shields, driven grounds
Abstract
The invention provides a touch control panel, which comprises a base plate, a touch control sensing array, a plurality of connecting wires, a plurality of extending parts, a first electrostatic protection line and a second electrostatic protection line, wherein the base plate is provided with an active region and a peripheral region; the touch control sensing array is configured in the active region; the connecting wires and the extending parts are configured in the peripheral region; one end of each connecting wire is respectively connected with the touch control sensing array through the corresponding extending part; the first electrostatic protection line is configured in the peripheral region and is positioned between the connecting wire positioned at the outermost side and the edge of the corresponding base plate; the second electrostatic protection line is configured in the peripheral region and is positioned between the connecting wire positioned at the innermost side and the touch control sensing array; and the second electrostatic protection line and the extending parts are mutually overlapped on the base plate.
Description
Technical field
The invention relates to a kind of contact panel, and in particular to a kind of touch surface with antistatic protection function
Plate.
Background technology
In recent years, with the fast-developing and application of information technology, radio mobile communication and information household appliances, in order to reach more
Convenient, volume is more lightly changed and more humane purpose, and many information products are input into by traditional keyboard or mouse etc. and filled
Put, be changed into and use contact panel (Touch Panel) as input unit.
Contact panel can generally divide into electric resistance touch-control panel, capacitance touching control face according to the difference of sensing form
Plate, optical touch control panel, sound wave type contact panel and electromagnetic touch-control panel.Because capacitance type touch-control panel is compared to it
The contact panel of its type has the advantages that the reaction time is fast, reliability is good and high resolution (high definition), because
This is widely used on all kinds of hand-hold electronic devices.
In general, electronic product making, packaging, test, carry or even final when assembling and using, incident is had at any time
Caused by the destruction of static discharge cannot normal operation possibility, and contact panel equally also has the problem of static discharge.For
This, contact panel would generally make electrostatic protection circuit with up to protection function.However, the width of electrostatic protection circuit can but increase
Plus the frame size of contact panel, do not meet so now electronic product to reduce the size the design for target.
The content of the invention
The present invention provides a kind of contact panel, and can effectively reduce even exclude what electrostatic protection circuit took on its frame
Space, is conducive to the design of narrow frame.
Contact panel of the invention, including substrate, touch-control sensing array, a plurality of connecting line, multiple extensions, the first electrostatic
Protection circuit and the second electrostatic protection circuit.Substrate has active region and Zhou Bianqu.Touch-control sensing array configuration is in active region.
A plurality of connecting line, multiple extensions are configured in Zhou Bianqu.One end of each connecting line is connected by corresponding extension touch respectively
Control sensing array.First electrostatic protection line configuring in Zhou Bianqu, and positioned at outermost connecting line and corresponding substrate side
Between edge.Second electrostatic protection line configuring in Zhou Bianqu, and between the connecting line and touch-control sensing array of most inner side.
Second electrostatic protection circuit is overlapped each other with extension on substrate.
In one embodiment of this invention, the second above-mentioned electrostatic protection circuit include the first section, the second section and
The 3rd section between the first section and the second section.Also, contact panel also includes insulating barrier, insulating barrier covering connection
First section and the second section and extension of line, the second electrostatic protection circuit.3rd section is configured on insulating barrier, and
The first section and the second section are couple to separately down via two contact holes in insulating barrier.
In one embodiment of this invention, above-mentioned connecting line, the first section of the second electrostatic protection circuit and the secondth area
Section and extension are formed by same metal level.
In one embodiment of this invention, the 3rd above-mentioned section and at least part of touch-control sensing array are by same
Bright conductive material layer is formed.
In one embodiment of this invention, above-mentioned contact panel also include insulating barrier, insulating barrier covering connecting line and
Second electrostatic protection circuit.Each extension is configured on insulating barrier, and is couple to phase downwards via the contact hole in insulating barrier
The connecting line answered.Additionally, connecting line and the second electrostatic protection circuit are formed by same metal level, and extension and at least
Partial touch-control sensing array is formed by same transparent conductive material layer.
In one embodiment of this invention, the first above-mentioned electrostatic protection circuit includes two of the opposite sides positioned at substrate
Bar the first electrostatic protection circuit, and the second electrostatic protection circuit includes that two the second electrostatic of the opposite sides positioned at active region are prevented
Shield circuit.
In one embodiment of this invention, above-mentioned contact panel also includes the first bridging line and the second bridging line.The
One bridging line connects two first respective one end of electrostatic protection circuit, and the second bridging line connects two the second electrostatic protection circuits
Respective one end.
In one embodiment of this invention, above-mentioned contact panel also includes the first bridging line and the second bridging line.The
First electrostatic protection circuit and second electrostatic protection circuit respective one end of the one bridging line connection positioned at substrate the same side.The
Another first electrostatic protection circuit and another second electrostatic protection circuit of the two bridging lines connection positioned at substrate opposite side
Respective one end.
Based on above-mentioned, contact panel of the invention includes two electrostatic protection circuits, using two electrostatic protection circuits
Design, just can respectively reduce the width of each electrostatic protection circuit on the premise of the electrostatic protection effect of contact panel is maintained, with
Effectively reduce the frame size of contact panel.Additionally, the present invention can also allow wherein one second electrostatic protection line of contact panel
Road overlaps each other with extension on substrate, with the space for effectively being taken on substrate using script extension.
It is that features described above of the invention and advantage can be become apparent, special embodiment below, and coordinate institute's accompanying drawings
It is described in detail below.
Brief description of the drawings
Fig. 1 is the schematic diagram according to a kind of contact panel of one embodiment of the invention.
Fig. 2 is the close-up schematic view of the contact panel of Fig. 1.
Fig. 3 be in Fig. 1 along AA ' generalized section.
Fig. 4 is the close-up schematic view according to a kind of contact panel of another embodiment of the present invention.
Fig. 5 be in Fig. 4 along BB ' generalized section.
Fig. 6 is the schematic diagram according to a kind of contact panel of another embodiment of the present invention.
Fig. 7 is the schematic diagram according to a kind of contact panel of another embodiment of the present invention.
[label declaration]
100、100a、200、300：Contact panel 110：Substrate
110a：Active region 110b：Zhou Bianqu
111、112：Side 120：Touch-control sensing array
121：Touch-control sensing pattern 130,131,132,130a：Connecting line
140、140a：Extension
150、151、152、250、251、252、350、351、352：First electrostatic protection circuit
160、160a、161、162、260、261、262、360、361、362：Second electrostatic protection circuit
163：First section 164：Second section
165：3rd section 170,170a：Insulating barrier
180、180a：Contact hole 210,310：First bridging line
220、320：Second bridging line S：Configuration space
Specific embodiment
Fig. 1 is the schematic diagram according to a kind of contact panel of one embodiment of the invention.Fig. 2 is the contact panel of Fig. 1
Close-up schematic view.Please also refer to Fig. 1 and Fig. 2, contact panel 100, including it is substrate 110, touch-control sensing array 120, many
Bar connecting line 130, multiple extensions 140, the first electrostatic protection circuit 150 and the second electrostatic protection circuit 160.Substrate 110
Glass substrate or plastic base in this way.Substrate 110 has active region 110a and Zhou Bianqu 110b.Touch-control sensing array 120 is matched somebody with somebody
It is placed in active region 110a.A plurality of connecting line 130, multiple extensions 140 are configured in Zhou Bianqu 110b.As Figure 1 illustrates in,
In the present embodiment, extension 140 is arranged along the periphery of active region 110a, wherein one end of each connecting line 130 passes through respectively
The corresponding connection touch-control sensing of extension 140 array 120.First electrostatic protection circuit 150 is configured in Zhou Bianqu 110b, and position
Between outermost connecting line 131 and the edge of corresponding substrate 110.Second electrostatic protection circuit 160 is configured at Zhou Bianqu
In 110b, and between the connecting line 132 and touch-control sensing array 120 of most inner side.Depicted in such as Fig. 2, the second electrostatic is prevented
Shield circuit 160 is overlapped each other with extension 140 on substrate 110.
In the present embodiment, the side that contact panel 100 includes includes two electrostatic protection circuits 150,160.Using two
The design of bar electrostatic protection circuit, just can respectively be reduced each quiet on the premise of the electrostatic protection effect of contact panel 100 is maintained
The width of electricity protection circuit 150,160, effectively to reduce the frame size of contact panel 100.Specifically, it is anti-in wall scroll electrostatic
Protect under the design of circuit, it is necessary to consider impedance problems, therefore electrostatic protection circuit has the limitation of minimum widith.When contact panel
Electrostatic protection circuit is to be divided into the design of two, just can respectively reduce each electrostatic protection line under the premise of overall width identical
The width on road.Additionally, the second electrostatic protection circuit 160 of the present embodiment is overlapped each other with extension 140 on substrate 110, two
The part that person overlaps can further make the frame size of reduction contact panel 100.In other words, the present embodiment is by quiet by second
Electricity protection circuit 160 and the crossover of extension 140, with the space for effectively being taken on substrate 110 using script extension 140.
Fig. 3 be in Fig. 1 along AA ' generalized section.Please also refer to Fig. 2 and Fig. 3, the second electrostatic protection circuit 160
The 3rd section 165 including the first section 163, the second section 164 and between the first section 163 and the second section 164.
Additionally, contact panel 100 also includes insulating barrier 170, covering connecting line 130, the first section of the second electrostatic protection circuit 160
163 and second section 164 and extension 140.Show as depicted in fig. 3, the 3rd section 165 is configured on insulating barrier 170, and
The first section 163 and the second section 164 are couple to separately down via two contact holes 180 in insulating barrier 170.
Additionally, in the present embodiment, connecting line 130, the first section 163 of the second electrostatic protection circuit 160 and the secondth area
Section 164 and extension 140 are formed by same metal level.3rd section 165 and at least part of touch-control sensing array 120
By same transparent conductive material layer, for example, indium tin oxide (Indium Tin Oxide, ITO) or indium-zinc oxide
The material layer that (Indium Zinc Oxide, IZO) is formed.
In other words, each section of the second electrostatic protection circuit 160 of the present embodiment is position in different film layers.Specifically,
First section 163 and the second section 164, and can be with connecting line 130 and extensions 140 in same film in same film layer
Layer, and the 3rd section 165 is independent position in another film layer.Additionally, insulating barrier 170 is in the first section 163, the second section 164
Between film layer where the film layer and the 3rd section 165 at place.Also, the second electrostatic protection is electrically connected with contact hole 180
3rd section 165 of circuit 160 and the first section 163 of the second electrostatic protection circuit 160 and the second section 164.
Further, since the first section 163 and the second section 164 are in same film layer, and can be with connecting line 130 and extension
140, portion in same film layer, so first section 163 and the second section 164 of connecting line 130, the second electrostatic protection circuit 160
And extension 140 can be formed by same metal level.
Refer to Fig. 1, herein it should be noted that, the touch-control sensing array 120 of contact panel 100 includes multiple touch-control sensings
Pattern 121.Also, touch-control sensing array 120 can be single layer structure or double-decker, and touch-control sensing array 120 is tactile
Control sensing patterns 121 can use copline or not coplanar design.The pattern side of being not limited to of touch-control sensing array 120
Block pattern (diamond pattern), it is also possible to strip or other shapes.Additionally, in the present embodiment, the first electrostatic protection
Circuit 160 includes two the first electrostatic protection circuits 151,152 of the opposite sides 111,112 positioned at substrate, and the second electrostatic
Protection circuit 160 includes two the second electrostatic protection circuits 161,162 of the opposite sides positioned at active region 110a.In this way, can
Adjust the electrostatic protection effect of contact panel 100.And by the first electrostatic protection circuit 151 and the second electrostatic protection circuit
161 design and the design of the first electrostatic protection circuit 152 and the second electrostatic protection circuit 162 are reducing contact panel 100
Frame size.In the present embodiment, it is not electrically connected to each other between each electrostatic protection circuit, but in other embodiments
In, can be electrically connected to each other to adjust electrostatic protection effect between each electrostatic protection circuit.
Following embodiments continue to use the element numbers and partial content of previous embodiment, wherein adopt being denoted by the same reference numerals
Identical or approximate element, and eliminate the explanation of constructed content.Explanation on clipped refers to foregoing reality
Example is applied, it is no longer repeated for following embodiments.
Fig. 4 is the close-up schematic view according to a kind of contact panel of another embodiment of the present invention.During Fig. 5 is Fig. 4
The generalized section of BB ' along the line.Please also refer to Fig. 4 and the embodiment of Fig. 5, Fig. 4 and the embodiment of Fig. 1 is substantially similar, two
The difference of person is essentially consisted in, and in the fig. 4 embodiment, the second electrostatic protection circuit 160a is not divided into different sections.This
Outward, the material of each film layer of the contact panel 100a of Fig. 4 is different from the configuration of each film layer and the embodiment of Fig. 1.
In the present embodiment, contact panel 100a also includes insulating barrier 170a, covers connecting line 130a and the second electrostatic
Protection circuit 160a.Each extension 140a is configured on insulating barrier 170a, and via the contact hole 180a in insulating barrier 170a
Corresponding connecting line 130a is couple to downwards.Additionally, connecting line 130a and the second electrostatic protection circuit 160a are by same metal
Layer is formed.Also, in the present embodiment, extension 140a and at least part of touch-control sensing array 120 are by same transparent
Conductive material layer is formed, for example, indium tin oxide (Indium Tin Oxide, ITO) or indium-zinc oxide (Indium
Zinc Oxide, IZO) material layer that is formed.
In other words, the connecting line 130a of the present embodiment and the second electrostatic protection circuit 160a can be position in same film layer,
And formed by same metal level.Additionally, extension 140a and at least part of touch-control sensing array 120 are positions in same film
Layer, and formed by same transparent conductive material layer.Additionally, insulating barrier 170a the film layer where connecting line 130a with prolong
Between film layer where extending portion 140a, and a part of extension 140a is extended downwardly and is electrically connected with via contact hole 180a
To connecting line 130a.
Fig. 6 is the schematic diagram according to a kind of contact panel of another embodiment of the present invention.Refer to Fig. 6, the implementation of Fig. 6
Example is substantially similar to the embodiment of Fig. 1, and both difference are essentially consisted in, and the electrostatic of the contact panel 200 of the embodiment of Fig. 6 is prevented
There is electrical connection between shield circuit.As depicted in Fig. 6, contact panel 200 also includes the first bridging line 210 and the
Two bridging lines 220.In the present embodiment, the first bridging line 210 connects two the first electrostatic protection circuits 251,252 respective
End, and the wiring of the second bridge 220 connects two the second electrostatic protection circuits 261,262 respective one end.As plotted as shown in Figure 4,
One electrostatic protection circuit 250 is looped around the outermost of the Zhou Bianqu 110b of substrate 110, and the second electrostatic protection circuit 260 surround
In the most inner side of the Zhou Bianqu 110b of substrate 110.In the present embodiment, it is electrically connected to each other by by electrostatic protection circuit, can
The impedance of electrostatic protection circuit 250,260 is reduced, electrostatic protection effect is further lifted.
Fig. 7 is the schematic diagram according to a kind of contact panel of another embodiment of the present invention.Refer to Fig. 7, the implementation of Fig. 7
Example is substantially similar to the embodiment of Fig. 6, and both difference are essentially consisted in, between the electrostatic protection circuit of the embodiment of Fig. 7
Electric connection mode is different from the embodiment of Fig. 6.As depicted in Fig. 7, contact panel 300 also include the first bridging line 310 with
And second bridging line 320.The connection of first bridging line 310 is positioned at the first electrostatic protection circuit 351 of the side 111 of substrate 110
One end and position are in one end of the second electrostatic protection circuit 361 of the side 111.It is another that the connection of second bridging line 320 is located at substrate
One end and position of first electrostatic protection circuit 352 of side 112 are in one end of the second electrostatic protection circuit 362 of the side 112.
In the present embodiment, the first electrostatic protection circuit 351 is electrically connected with the second electrostatic protection circuit 361, and the first electrostatic protection circuit
352 are electrically connected with the second electrostatic protection circuit 362, can adjust the electrostatic protection effect of contact panel 200, for example, reduce impedance.
Additionally, have to match somebody with somebody under this kind of connected mode, between the second electrostatic protection circuit 361 and the second electrostatic protection circuit 362 being empty
Between S, and other elements of contact panel 300 can configure in this configuration space S.
In sum, contact panel of the invention includes two electrostatic protection circuits, using two electrostatic protection circuits
Design, just can respectively reduce the width of each electrostatic protection circuit on the premise of the antistatic protection function of contact panel is maintained, with
Effectively reduce the frame size of contact panel.Additionally, the present invention can also allow wherein one electrostatic protection circuit with extension in base
Overlapped each other on plate, with the space for effectively being taken on substrate using script extension.Furthermore, two guard wires of contact panel
The wherein one electrostatic protection circuit on road can be electrically connected to another electrostatic protection circuit to be prevented with increasing the electrostatic of contact panel
Shield effect.Also, the relative position of the film layer where the connecting line of contact panel, electrostatic protection circuit and extension can be according to material
Material difference and change.Can so make contact panel more with good design flexibility.
Although the present invention is disclosed above with embodiment, so it is not limited to the present invention, any art
Middle tool usually intellectual, it is without departing from the spirit and scope of the present invention, therefore of the invention when a little change and retouching can be made
Protection domain when being defined depending on the scope of the appended claims person of defining.
Claims (10)
1. a kind of contact panel, it is characterised in that including：
Substrate, with active region and Zhou Bianqu；
Touch-control sensing array, is configured in the active region；
A plurality of connecting line, is configured in the Zhou Bianqu；
Multiple extensions, are configured in the Zhou Bianqu, and respectively one end of the connecting line is connected by the corresponding extension respectively
The touch-control sensing array；
First electrostatic protection circuit, is configured in the Zhou Bianqu, and positioned at the outermost connecting line and the corresponding substrate side
Between edge；And
Second electrostatic protection circuit, is configured in the Zhou Bianqu, and positioned at most connecting line of inner side and the touch-control sensing array
Between, wherein the second electrostatic protection circuit is overlapped each other on the substrate with the plurality of extension.
2. contact panel according to claim 1, wherein the second electrostatic protection circuit include the first section, the second section
And the 3rd section between first section and second section, the contact panel is also including insulating barrier, the insulating barrier
First section and second section and the plurality of extension of a plurality of connecting line, the second electrostatic protection circuit are covered,
And the 3rd section is configured on the insulating barrier, and via two contact holes in the insulating barrier be couple to separately down this first
Section and second section.
3. contact panel according to claim 2, the wherein a plurality of connecting line, the second electrostatic protection circuit this first
Section is formed with second section and the plurality of extension by same metal level.
4. contact panel according to claim 2, wherein the 3rd section and at least part of touch-control sensing array
Formed by same transparent conductive material layer.
5. contact panel according to claim 1, also including insulating barrier, the insulating barrier covers a plurality of connecting line and should
Second electrostatic protection circuit, respectively the extension be configured on the insulating barrier, and via the downward coupling of contact hole in the insulating barrier
It is connected to the corresponding connecting line.
6. contact panel according to claim 5, wherein a plurality of connecting line and the second electrostatic protection circuit is by same
One metal level is formed.
7. contact panel according to claim 5, wherein the plurality of extension and at least part of touch-control sensing battle array
Row are formed by same transparent conductive material layer.
8. contact panel according to claim 1, wherein the first electrostatic protection circuit are included positioned at the relative of the substrate
Two the first electrostatic protection circuits of both sides, and the second electrostatic protection circuit includes two of the opposite sides positioned at the active region
Bar the second electrostatic protection circuit.
9. contact panel according to claim 8, also includes：
First bridging line, connects this two first respective one end of electrostatic protection circuit；And
Second bridging line, connects this two second respective one end of electrostatic protection circuit.
10. contact panel according to claim 8, also includes：
First bridging line, this first electrostatic protection circuit and this second electrostatic protection of the connection positioned at the substrate the same side
The respective one end of circuit；And
Second bridging line, another first electrostatic protection circuit and another second electrostatic of the connection positioned at the substrate opposite side
The respective one end of protection circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310298426.5A CN104298380B (en) | 2013-07-16 | 2013-07-16 | Touch control panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310298426.5A CN104298380B (en) | 2013-07-16 | 2013-07-16 | Touch control panel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104298380A CN104298380A (en) | 2015-01-21 |
| CN104298380B true CN104298380B (en) | 2017-05-24 |
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ID=52318139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310298426.5A Active CN104298380B (en) | 2013-07-16 | 2013-07-16 | Touch control panel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104298380B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105159495B (en) * | 2015-08-31 | 2018-03-20 | 业成光电（深圳）有限公司 | Contact panel |
| CN109585422B (en) * | 2017-09-29 | 2021-06-11 | 昆山国显光电有限公司 | Array substrate and manufacturing method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102693041A (en) * | 2012-05-29 | 2012-09-26 | 友达光电股份有限公司 | Touch panel capable of realizing electrostatic protection |
| CN202523030U (en) * | 2012-03-01 | 2012-11-07 | 华映视讯（吴江）有限公司 | Touch panel |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110091244A (en) * | 2010-02-05 | 2011-08-11 | 삼성모바일디스플레이주식회사 | Touch screen panel |
-
2013
- 2013-07-16 CN CN201310298426.5A patent/CN104298380B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202523030U (en) * | 2012-03-01 | 2012-11-07 | 华映视讯（吴江）有限公司 | Touch panel |
| CN102693041A (en) * | 2012-05-29 | 2012-09-26 | 友达光电股份有限公司 | Touch panel capable of realizing electrostatic protection |
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| Publication number | Publication date |
|---|---|
| CN104298380A (en) | 2015-01-21 |
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