CN105975141B - Touch panel and touching display screen - Google Patents
Touch panel and touching display screen Download PDFInfo
- Publication number
- CN105975141B CN105975141B CN201610489060.3A CN201610489060A CN105975141B CN 105975141 B CN105975141 B CN 105975141B CN 201610489060 A CN201610489060 A CN 201610489060A CN 105975141 B CN105975141 B CN 105975141B
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- line
- control electrode
- touch control
- main touch
- dummy
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Classifications
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- 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
- G06F2203/04111—Cross over in capacitive digitiser, i.e. details of structures for connecting electrodes of the sensing pattern where the connections cross each other, e.g. bridge structures comprising an insulating layer, or vias through substrate
Abstract
A kind of touch panel, including substrate, it is set to first and second electrode layer on one surface of substrate, the first electrode layer includes a plurality of first main touch control electrode line for sending touch signal and the first dummy line connecting with a plurality of first main touch control electrode line, the second electrode lay includes a plurality of for receiving the second main touch control electrode line of touch signal, the a plurality of first main touch control electrode line intersects to form reticular structure, first dummy line offers multiple first breakpoints, first node is formed with per cross one another two first main touch control electrode lines, the first partial node is connect with two the first dummy lines respectively, and close to the line of the arbitrary point of two the first breakpoints of first node and first node there is a vertical range to be greater than 100 microns on two first dummy lines.Touch panel and touching display screen provided by the invention can be effectively reduced the generation of Moire effect, and improve the accuracy rate of position identification.
Description
Technical field
The present invention relates to a kind of touch panel and a kind of touching display screens including the touch panel.
Background technique
Touching display screen is the inductive arrangement that can receive the input signals such as touch, is that extremely attractive completely new information is handed over
Mutual equipment.The development of touch screen technology causes the common concern of domestic external information medium circle, it has also become the different army of photovoltaic industry is prominent
The southern exposure new high-tech industry risen.
Touch control electrode layer is vital component part in touching display screen, currently, the touch control electrode of touching display screen
Layer is mainly formed by ITO (tin indium oxide) or reticular metal wire.However, ITO as touch control electrode layer not only to technique, set
It is standby more demanding, a large amount of ITO material is also wasted in the fabrication process, and is generated largely containing the industrial wastes of heavy metal.
To improve above-mentioned condition, a kind of mode of replacement is to use reticular metal wire as touch control electrode layer.However, reticular metal wire conduct
Touch control electrode layer easily generates Moire effect (Moire Effect), causes to show that the exception of water ripples shape occurs in picture.
Summary of the invention
In view of the foregoing, it is necessary to which a kind of touch panel effectively to solve the above problems is provided.
A kind of touch panel comprising substrate, the first electrode layer and the second electrode lay for being set to one surface of substrate,
The first electrode layer include a plurality of first main touch control electrode line for sending touch signal and with it is described a plurality of first main
First dummy line of touch control electrode line connection, the second electrode lay include a plurality of for receiving the second main touch-control of touch signal
Electrode wires, a plurality of first main touch control electrode line intersect to form reticular structure, and first dummy line offers multiple
First breakpoint is formed with first node, the first node point of part per cross one another two first main touch control electrode lines
It is not connect with two the first dummy lines, and appointing close to two the first breakpoints of first node on two first dummy lines
The line and first node of meaning point have a vertical range, and the vertical range is greater than 100 microns.
A kind of touch panel comprising substrate, the first electrode layer and the second electrode lay for being set to one surface of substrate,
The first electrode layer includes a plurality of first main touch control electrode line for sending touch signal, and the second electrode lay includes more
Item be used for receive touch signal the second main touch control electrode line and connect with a plurality of second main touch control electrode line second
Dummy line, a plurality of second main touch control electrode line intersect to form reticular structure, and second dummy line offers multiple
Second breakpoint is formed with second node, the second node point of part per cross one another two second main touch control electrode lines
It is not connect with two the second dummy lines, and appointing close to two the second breakpoints of second node on two second dummy lines
The line and second node of meaning point have a vertical range, and the vertical range is greater than 100 microns.
The present invention also provides the touching display screens of the above-mentioned touch panel of application.
Compared to the prior art, touch panel and touching display screen provided by the invention can be effectively reduced Moire effect
It generates, to enhance the visual effect of the touch panel and touching display screen.Additionally it is possible to effectively avoid main touch-control electricity
Polar curve and dummy line form parasitic equivalent capacity, and then keep test normal.
Detailed description of the invention
Fig. 1 is the schematic diagram of touching display screen of the present invention.
Fig. 2 is that II-II cutting line is formed by diagrammatic cross-section along Fig. 1.
Fig. 3 is the stereoscopic schematic diagram of touch panel in Fig. 2.
Fig. 4 is that IV-IV cutting line is formed by diagrammatic cross-section along Fig. 3.
Fig. 5 is the schematical top view of first electrode layer in Fig. 4.
Fig. 6 is the enlarged diagram in the portion VI in Fig. 5.
Fig. 7 is the schematical top view of the second electrode lay in Fig. 4.
Fig. 8 is the enlarged diagram in the portion VIII in Fig. 7.
Fig. 9 is projection and the side of first dummy line intersection of the second main touch control electrode line in first electrode layer in Fig. 7
Depending on schematic diagram.
Figure 10 is the office projected with the second dummy line intersection of the first main touch control electrode line on the second electrode layer in Fig. 5
Portion's diagrammatic cross-section.
Main element symbol description
| Touching display screen | 100 |
| Touch panel | 200 |
| Display panel | 300 |
| Cover board | 210 |
| Touch-control film | 220 |
| Colloid | 230 |
| Substrate | 240 |
| First electrode layer | 250 |
| The second electrode lay | 260 |
| First main touch control electrode line | 251 |
| First dummy line | 253 |
| First breakpoint | 254 |
| Second main touch control electrode line | 261 |
| Second dummy line | 263 |
| Second breakpoint | 264 |
| First node | 255 |
| Second node | 265 |
| Line | L1、L2、L3、L4 |
| Vertical range | D1、D2、D3、D4 |
The present invention that the following detailed description will be further explained with reference to the above drawings.
Specific embodiment
Also referring to Fig. 1 and Fig. 2, the specific embodiment of the invention provides a kind of touching display screen 100, and the touch-control is aobvious
Display screen 100 includes a touch panel 200 and a display panel 300.The touch panel 200 is attached at the display panel 300
On.In the present embodiment, the touch panel 200 includes being formed by capacitance touch by metal grill (metal mesh)
Structure.The display panel 300 can be liquid crystal display panel (Liquid Crystal Display, LCD), organic light emission two
Pole pipe (Organic Light-Emitting Diode, OLED) display panel, quantum point type (Quantum Dot) display panel
Or the common display panel such as plasma (Plasma) display panel.
Also referring to Fig. 3 and Fig. 4, in the present embodiment, the touch panel 200 includes cover board 210, touch-control film
220 and colloid 230.The touch-control film 220 is pasted on a side surface of the cover board 210 by the colloid 230.?
In present embodiment, the colloid 230 is optical cement (Optical Clear Adhesive, OCA).The cover board 210 is
Bright material is constituted, such as transparent glass or transparent plastic.
The touch-control film 220 includes substrate 240, first electrode layer 250 and the second electrode lay 260.First electricity
Pole layer 250 is formed in the substrate 240 close to the first surface 241 of the cover board 210.The second electrode lay 260 is formed in
Second surface 243 of the substrate 240 far from the cover board 260, second surface 243 are opposite with first surface.
In the present embodiment, the first electrode layer 250 sends layer as the touching signals of the touch panel 200,
Touching signals receiving layer of the second electrode lay 260 as the touch panel 200.The first electrode layer 250 with it is described
260 mutually insulated of the second electrode lay.
Referring to Fig. 5, the first electrode layer 250 includes a plurality of first main touch control electrode line 251 and a plurality of first void
If line 253.The first main touch control electrode line 251 is for sending touching signals.First dummy line 253 is not as electrode wires
It uses, for reducing the Moire effect of the touch panel 200.Each first dummy line 253 is formed at least one
First breakpoint 254.Every one first dummy line 253 is divided at least two parts being separated from each other by first breakpoint 254.Institute
The first dummy line 253 is stated to connect with the first main touch control electrode line 251.In the present embodiment, every one first dummy line 253 connection
One first main touch control electrode line 251.
In the present embodiment, the material of the first main touch control electrode line 251 and the first dummy line 253 is identical,
For conductive metal, such as copper.It should be understood that in other examples, first dummy line 253 and the described first main touch-control
The material of electrode wires 251 can not also be identical.
In the present embodiment, the first main touch control electrode line 251 and first dummy line 253 are straight line.This
In embodiment, a plurality of first main touch control electrode line 251 intersects the webbed diamond structure of shape, and the netted water chestnut
Shape structure is arranged in file, is provided with first dummy line between the netted diamond structure arranged per two adjacent files
253.In this way, a plurality of first main touch control electrode line 251 of the netted diamond structure of each file arrangement constitutes an electrode, and
Interval is able to by the first dummy line 253 between per two adjacent electrodes to be not turned on.
It should be understood that in other embodiments, a plurality of first main touch control electrode line 251 intersects and can be formed
Other shapes.It should be understood that in other embodiments, the first main touch control electrode line 251 can also be curve or
Irregular lines.
In the present embodiment, the first main touch control electrode line 251 and first dummy line 253 can pass through same work
Skill step is formed simultaneously, concretely: first being deposited a conductive metal layer on 240 surface of substrate, then is carved using exposure development
The conductive metal of etching technique removal part forms the first main touch control electrode line 251 and first dummy line 253.It is described more
A first breakpoint 254 is formed in exposure development etching technics.
Further referring to Fig. 5, first node is formed with per cross one another two first main touch control electrode lines 251
255.In the present embodiment, there are four the first nodes for the diamond structure tool that four first main touch control electrode lines 251 intersect to form
255, wherein connect respectively with two the first dummy lines 253 there are two the first opposite node 255, other two opposite the
One node 255 is connect with two first main touch control electrode lines 251 respectively.That is, the first partial node 255 respectively with two article
The connection of one dummy line 253, and it is disconnected close to two first of the first node 255 connected to it on this two the first dummy lines 253
There is the line and first node 255 of the arbitrary point of point 254 vertical range to be greater than 100 microns.The arbitrary point is located at
On first dummy line 253.As shown in fig. 6, close to the first node 255 connected to it on this two the first dummy lines 253
Two the first breakpoints 254 central point line L1 and first node 255 have a vertical range D1.The distance D1
Greater than 100 microns.As shown in fig. 6, close to two of the first node 255 connected to it the on two article of first dummy line 253
The shortest route L2 of one breakpoint 254 and first node 255 have a vertical range D2.The distance D2 is greater than 100 microns.
It should be understood that two kinds shown in fig. 6 are not limited to there are many connection modes of the arbitrary point of described two first breakpoints 254,
This is without repeating.
Referring to Fig. 7, the second electrode lay 260 includes a plurality of second main touch control electrode line 261 and a plurality of second void
If line 263.The second main touch control electrode line 261 is for receiving touching signals.Second dummy line 263 and second master
Touch control electrode line 261 connects.Second dummy line 263 for reducing the touch panel 200 Moire effect.It is each described
The definition of second dummy line 263 has at least one second breakpoint 264.Second breakpoint 264 divides every one second dummy line 263
At at least two parts being separated from each other.In the present embodiment, every one second dummy line 263 connects one second main touch control electrode line
261。
In the present embodiment, the material of the second main touch control electrode line 261 and the second dummy line 263 is identical,
For conductive metal, such as copper.It should be understood that the material of second dummy line 263 and the first main touch control electrode line 261
It can not be identical.
In the present embodiment, a plurality of second main touch control electrode line 261 is straight line.The a plurality of second main touch-control
Electrode wires 261 intersect the webbed diamond structure of shape, and the netted diamond structure is in horizontally-arranged arrangement, per adjacent two
Second dummy line 263 is provided between the netted diamond structure of horizontally-arranged arrangement.In this way, each horizontally-arranged arrangement is netted
The a plurality of second main touch control electrode line 261 of diamond structure constitutes an electrode, and passes through first between every two adjacent electrodes
Dummy line 253 is able to interval and is not turned on.
It should be understood that in other embodiments, a plurality of second main touch control electrode line 261 intersects and can be formed
Other shapes.It should be understood that in other embodiments, the second main touch control electrode line 261 can also be curve or
Irregular lines.
In the present embodiment, the second main touch control electrode line 261 and second dummy line 263 can pass through same work
Skill step is formed simultaneously, concretely: first being deposited a conductive metal layer on 240 surface of substrate, then is carved using exposure development
The conductive metal of etching technique removal part forms the second main touch control electrode line 261 and second dummy line 263.It is described more
A second breakpoint 264 is formed in exposure development etching technics.
Further referring to Fig. 7, second node is formed with per cross one another two second main touch control electrode lines 261
265.In the present embodiment, there are four the second nodes for the diamond structure tool that four second main touch control electrode lines 261 intersect to form
265, wherein connect respectively with two the second dummy lines 263 there are two the second opposite node 265, other two opposite the
Two nodes 265 are connect with two second main touch control electrode lines 261 respectively.That is, the second partial node 265 respectively with two article
The connection of two dummy lines 263, and it is disconnected close to two second of the second node 265 connected to it on this two the second dummy lines 263
There is the line and second node 265 of the arbitrary point of point 264 vertical range to be greater than 100 microns.The arbitrary point is located at
On second dummy line 263.As shown in figure 8, upper close second node connected to it of this two the second dummy lines 263
The line L3 and second node 265 of the central point of 265 two the second breakpoints 264 have a vertical range D3.It is described away from
It is greater than 100 microns from D3.As shown in figure 8, close to the two of the second node 255 connected to it on this two the second dummy lines 253
The shortest route L4 of a second breakpoint 254 and second node 255 have a vertical range D4.The distance D4 is greater than 100
Micron.It should be understood that being not limited to shown in Fig. 8 two there are many connection modes of the arbitrary point of described two second breakpoints 254
Kind, herein without repeating.
Since the first electrode layer 250 is provided with first dummy line 253, and the second electrode lay 260 is arranged
Have second dummy line 263, can be effectively reduced the generation of Moire effect, thus enhance the touch panel 200 and
The visual effect of the touching display screen 100.Since main touch control electrode line and dummy line are relatively thin, the breakpoint of dummy line is easier to send out
Raw short circuit connection, so that parasitic equivalent capacity is formed between main touch control electrode line and dummy line, to cause test abnormal.This hair
The line of arbitrary point on bright two breakpoints by the way that node and dummy line that the main touch control electrode line intersects to form is arranged hangs down
Straight distance is particular size (being greater than 100 microns), can effectively avoid main touch control electrode line and dummy line forms parasitic equivalent capacity,
And then keep test normal.
In the present embodiment, projection and institute of the first main touch control electrode line 251 on the second electrode lay 260
State the second not exclusively overlapping of main touch control electrode line 261.
In second embodiment, projection and institute of the first main touch control electrode line 251 on the second electrode lay 260
State the intersection of the second dummy line 263.Projection of the second main touch control electrode line 261 in the first electrode layer 250 with it is described
The intersection of first dummy line 253.
Referring to Fig. 9, the second main touch control electrode line 261 is in the first electrode layer 250 in second embodiment
Projection the first dummy line 253 of 253 intersection of the first dummy line is provided with first breakpoint 254.Described first
The distance between two of 254 both ends of breakpoint, first dummy line 253 W1 is straight not less than the second main touch control electrode line 261
1.5 times of diameter (or line width), and distance W1 is not more than 5 times of 261 diameter of the second main touch control electrode line.Preferably,
Distance W1 is equal to 2 times of 261 diameter of the second main touch control electrode line.
Referring to Fig. 10, the first main touch control electrode line 251 is in the second electrode lay 260 in second embodiment
On projection the second dummy line 263 of 263 intersection of the second dummy line is provided with second breakpoint 264.Described
The distance between two of two breakpoints, 264 both ends, second dummy line 263 W3 is not less than the first main touch control electrode line 251
1.5 times of diameter (or line width), and distance W3 is not more than 5 times of 251 diameter of the first main touch control electrode line.It is preferred that
Ground, distance W3 are equal to 2 times of 251 diameter of the first main touch control electrode line.
Since first dummy line 253 and second dummy line 263 are respectively arranged with the first breakpoint 254 and the second breakpoint
264, and distance W1 and W3 are defined in the reasonable scope, in the second main touch control electrode line 261 in the first electrode
Projection and 253 intersection of the first dummy line and the first main touch control electrode line 251 on layer 250 is in second electricity
Projection on pole layer 260 is not likely to produce the parasitism for influencing to judge touch location accuracy with 263 intersection of the second dummy line
Capacitor can be improved the accuracy that the touch panel 200 judges touch location.
It should be noted that due to etching processing procedure, first dummy line 253 at first breakpoint 254
The end of second dummy line 263 can be smooth at end and second breakpoint 264, be also possible to equidistant sawtooth
Shape, non-equidistant zigzag or irregular shape.
Embodiment of above is only used to illustrate the technical scheme of the present invention and not to limit it, although referring to better embodiment pair
The present invention is described in detail, those skilled in the art should understand that, technical solution of the present invention can be carried out
Modification or equivalent replacement, without departing from the spirit and scope of the technical solution of the present invention.
Claims (9)
1. a kind of touch panel comprising substrate, the first electrode layer and the second electrode lay for being set to the substrate surface, it is described
First electrode layer include a plurality of first main touch control electrode line for sending touch signal and with a plurality of first main touch-control
First dummy line of electrode wires connection, the second electrode lay includes a plurality of second main touch control electrode for receiving touch signal
Line, a plurality of first main touch control electrode line intersect to form reticular structure, and each first dummy line offers at least
One the first breakpoint is formed with first node per cross one another two first main touch control electrode lines, it is characterised in that: portion
The first node being divided to is connect with two the first dummy lines respectively, and close to the two of first node on two first dummy lines
The line of the arbitrary point of a first breakpoint and first node have a vertical range, and the vertical range is greater than 100 microns；
The second electrode lay further includes a plurality of second dummy line connecting with a plurality of second main touch control electrode line, described more
Item the second main touch control electrode line intersects to form reticular structure, and it is second disconnected that each second dummy line offers at least one
Point is formed with second node per cross one another two second main touch control electrode lines, and the second node of part is respectively with two
The connection of the second dummy line of item, and connect on two second dummy lines close to the end of two the second breakpoints of second node
Line and second node have a vertical range, and the vertical range is greater than 100 microns；
The distance between described first dummy line of two of first breakpoint both ends is not less than the second main touch control electrode line
1.5 times of diameter, and no more than 5 times of the second main touch control electrode linear diameter, described in two of second breakpoint both ends
The distance between second dummy line is not less than 1.5 times of the first main touch control electrode linear diameter, and main no more than described first
5 times of touch control electrode linear diameter；
The end of first breakpoint and second breakpoint is zigzag.
2. touch panel as described in claim 1, it is characterised in that: a plurality of first main touch control electrode line intersects shape
Webbed diamond structure, a plurality of second main touch control electrode line intersect the webbed diamond structure of shape.
3. touch panel as described in claim 1, it is characterised in that: the first main touch control electrode line is in the second electrode
Projection and the second main touch control electrode line on layer is not exclusively be overlapped.
4. touch panel as described in claim 1, it is characterised in that: the first main touch control electrode line, the first dummy line,
The material of two main touch control electrode lines and the second dummy line is metal.
5. a kind of touch panel comprising substrate, the first electrode layer and the second electrode lay for being set to one surface of substrate, institute
Stating first electrode layer includes a plurality of first main touch control electrode line for sending touch signal, and the second electrode lay includes being used for
Second for receiving a plurality of second main touch control electrode line of touch signal and connecting with a plurality of second main touch control electrode line is empty
If line, a plurality of second main touch control electrode line intersects to form reticular structure, and second dummy line offers multiple
Two breakpoints are formed with second node per cross one another two second main touch control electrode lines, it is characterised in that: the of part
Two nodes are connect with two the second dummy lines respectively, and close to two second of second node on two second dummy lines
The line of the arbitrary point of breakpoint and second node have a vertical range, and the vertical range is greater than 100 microns；
The distance between described second dummy line of two of second breakpoint both ends is not less than the first main touch control electrode line
1.5 times of diameter, and no more than 5 times of the first main touch control electrode linear diameter；
The end of second breakpoint is zigzag.
6. touch panel as claimed in claim 5, it is characterised in that: the first main touch control electrode line is in the second electrode
Projection and the second main touch control electrode line on layer is not exclusively be overlapped.
7. touch panel as claimed in claim 5, it is characterised in that: the first main touch control electrode line, the second main touch-control electricity
The material of polar curve and the second dummy line is metal.
8. touch panel as claimed in claim 5, it is characterised in that: a plurality of first main touch control electrode line intersects shape
Webbed diamond structure, a plurality of second main touch control electrode line intersect the webbed diamond structure of shape.
9. a kind of touching display screen, the touching display screen include touch panel described in any one of claim 1-8 and
One display panel, the touch panel are attached on the display panel.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610489060.3A CN105975141B (en) | 2016-06-28 | 2016-06-28 | Touch panel and touching display screen |
| TW105123992A TWI628568B (en) | 2016-06-28 | 2016-07-29 | Touch panel and touch display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610489060.3A CN105975141B (en) | 2016-06-28 | 2016-06-28 | Touch panel and touching display screen |
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| Publication Number | Publication Date |
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| CN105975141A CN105975141A (en) | 2016-09-28 |
| CN105975141B true CN105975141B (en) | 2019-03-29 |
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| CN201610489060.3A Active CN105975141B (en) | 2016-06-28 | 2016-06-28 | Touch panel and touching display screen |
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| CN (1) | CN105975141B (en) |
| TW (1) | TWI628568B (en) |
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| CN106843625B (en) * | 2017-01-18 | 2020-01-14 | 业成科技（成都）有限公司 | Reduced visibility metal grid structure and method of making the same |
| TWI621049B (en) * | 2017-06-08 | 2018-04-11 | 友達光電股份有限公司 | Touch panel |
| KR102158193B1 (en) * | 2018-03-06 | 2020-09-22 | 동우 화인켐 주식회사 | Film antenna and display device including the same |
| CN109976568B (en) | 2018-05-16 | 2022-01-18 | 京东方科技集团股份有限公司 | Touch panel, touch display panel and touch display device |
| CN108919993A (en) * | 2018-06-21 | 2018-11-30 | 业成科技（成都）有限公司 | The metal grill touch control electrode of touch panel |
| TWI750895B (en) * | 2020-08-21 | 2021-12-21 | 友達光電股份有限公司 | Electronic device |
| CN112732123A (en) * | 2021-02-26 | 2021-04-30 | 业成科技（成都）有限公司 | Touch panel and touch display device using same |
| CN114721550A (en) * | 2022-04-29 | 2022-07-08 | 武汉华星光电半导体显示技术有限公司 | Touch display panel and touch display device |
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| EP2983072A1 (en) * | 2014-08-05 | 2016-02-10 | T-Kingdom Co., Ltd. | Touch sensing electrode structure and method of manufacturing same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105975141A (en) | 2016-09-28 |
| TWI628568B (en) | 2018-07-01 |
| TW201804300A (en) | 2018-02-01 |
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