CN108762543A - Touch screen and apply its touch device - Google Patents
Touch screen and apply its touch device Download PDFInfo
- Publication number
- CN108762543A CN108762543A CN201810356906.5A CN201810356906A CN108762543A CN 108762543 A CN108762543 A CN 108762543A CN 201810356906 A CN201810356906 A CN 201810356906A CN 108762543 A CN108762543 A CN 108762543A
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- CN
- China
- Prior art keywords
- interconnecting piece
- touch screen
- length
- control electrode
- notch
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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
- G06F3/0412—Digitisers structurally integrated in a display
-
- 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
- G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
Abstract
A kind of touch device of present invention offer and its touch screen.The touch screen, including：Substrate；Touch control electrode layer, including the first touch control electrode and second touch control electrode, second touch control electrode include the electrode block of multiple spacer insulator arrangements, and the line of multiple electrodes block is staggered with the first touch control electrode；Insulating layer is set to surface of the touch control electrode layer far from substrate, and insulating layer offers through-hole, so that at least partly exposing of each electrode block；And overlap joint bridge, it is set on insulating layer, and between two neighboring electrode block, including middle part and interconnecting piece, interconnecting piece can be such that adjacent two electrode block is electrically connected；Wherein, the line of any of the center of through-hole and the edge of interconnecting piece is the first line segment, the connection of any of the center of through-hole and the inner wall of through-hole is second line segment, and second line segment is overlapped with the first line segment, and the length of the first line segment is more than or equal to 1.5 times of the length of second line segment.Above-mentioned touch screen can ensure its good touch-control effect.
Description
Technical field
The present invention relates to technical field of touch control, more particularly to a kind of touch screen and apply its touch device.
Background technology
Touch screen is a kind of using more and more extensive external input device, touched by finger can be thus achieved it is defeated
Enter, and then keep interactive process more direct, has the characteristics that simple, quick, hommization.
As touch screen gradually develops towards the direction of flexible screen, Curved screen, touch screen starts to turn to single conductive layer knot
Structure, for example, mono-layer oxidized indium tin (SITO) structure touch screen.The touch screen of single conductive layer structure generally includes substrate and touches
Electrode layer is controlled, the number of touch control electrode layer is one layer, is set on the surface of substrate.General high molecular material substrate is relative to glass
Substrate has certain retractility, and substrate can be caused flexible, and then the connection between electrode block and conductive overlap joint bridge can be made to occur
Dislocation reduces even zero so as to cause effectively contact area between conduction overlap joint bridge and electrode block, causes to overlap bad, influence to touch
Control effect.
Invention content
A kind of touch screen, including：Substrate；Touch control electrode layer, including the first touch control electrode and second touch control electrode, described
Two touch control electrodes include the electrode block of multiple spacer insulator arrangements, the line of multiple electrode blocks and first touch control electrode
It is staggered；Insulating layer is set to surface of the touch control electrode layer far from the substrate, and the insulating layer offers through-hole,
So that at least partly exposing of each electrode block；And overlap joint bridge, it is set on the insulating layer, and positioned at connection adjacent two
Between a electrode block, the overlap joint bridge includes two interconnecting pieces positioned at intermediate middle part and positioned at both ends, described
Interconnecting piece is electrically connected with the electrode block exposed from the through hole, so that adjacent two electrode block is electrically connected；Its
In, the line of any at the center of the through-hole and the edge of the interconnecting piece is the first line segment, the center of the through-hole and institute
The connection of any for stating the inner wall of through-hole is second line segment, and the second line segment is parallel with first line segment, and described first
The length of line segment is more than or equal to 1.5 times of the length of the second line segment.
Description of the drawings
Fig. 1 is the partial structural diagram of the touch screen of an embodiment；
Fig. 2 is the diagrammatic cross-section of the touch screen of an embodiment；
Fig. 3 is the schematic top plan view of the overlap joint bridge of an embodiment；
Fig. 4 is the schematic top plan view of the overlap joint bridge of another embodiment；
Fig. 5 is the structural schematic diagram of traditional overlap joint bridge；
Fig. 6 is the relative position schematic diagram of traditional overlap joint bridge and through-hole when shifting；
Fig. 7 is the relative position schematic diagram of the overlap joint bridge and through-hole of an embodiment when shifting.
Specific implementation mode
To facilitate the understanding of the present invention, touch screen and display device are carried out more fully below with reference to relevant drawings
Description.Touch screen and display device first choice embodiment are given in attached drawing.But touch screen and display device can be to be permitted
Mostly different form is realized, however it is not limited to embodiment described herein.Make on the contrary, purpose of providing these embodiments is
The disclosure of touch screen and display device is more thorough and comprehensive.
Unless otherwise defined, all of technologies and scientific terms used here by the article and belong to the technical field of the present invention
The normally understood meaning of technical staff is identical.Herein in touch screen and the term used in the description of display device
It is to describe the purpose of specific embodiment, it is not intended that in the limitation present invention.Term " and or " used herein includes
Any and all combinations of one or more relevant Listed Items.
Refer to Fig. 1 and Fig. 2, the touch screen 10 that an embodiment provides, including substrate 100, touch control electrode layer 200, insulation
Layer 300 and overlap joint bridge 400.
In the present embodiment, substrate 100 is high molecular material substrate.In one embodiment, high molecular material substrate can be poly-
Ethylene glycol terephthalate, polymethyl methacrylate or makrolon etc..High molecular material substrate can make touch screen 10
It bends to a certain extent, convenient for subsequently touch screen is applied in 3D touch devices.
Touch control electrode layer 200 is set to 100 1 surface of substrate, including the first touch control electrode 210 and second touch control electrode
220.First touch control electrode 210 has certain length, and is continuously turned on；Second touch control electrode 220 is arranged including multiple spacer insulators
The electrode block 222 of cloth, the line of multiple electrodes block 222 are staggered with the first touch control electrode 210.
Insulating layer 300 is set to surface of the touch control electrode layer 200 far from substrate 100, and insulating layer 300 offers through-hole 310,
So that at least partly exposing of each electrode block 222.It overlaps bridge 400 to be set on insulating layer 300, and connects two neighboring electrode block
222, overlap joint bridge 400 includes two interconnecting pieces 420 positioned at intermediate middle part 410 and positioned at both ends.Interconnecting piece 420 with from
The electrode block 222 exposed at through-hole 310 is electrically connected, so that adjacent two electrode block 222 is electrically connected.
Refer to Fig. 2 and Fig. 3, the line of any at the center of through-hole 310 and the edge of interconnecting piece 420 is the first line segment
The line of any of A1, the center of through-hole 310 and the inner wall of through-hole 310 is second line segment A2.Second line segment A2 and the first line segment
A1 is parallel, and 1.5 times of length of the length of the first line segment A1 more than or equal to second line segment A2.
In traditional touch screen, the length of the first line segment is less than 1.5 times of the length of second line segment.And in above-mentioned touch-control
In screen 10,1.5 times of length of the length more than or equal to second line segment A2 of the first line segment A1, the connection of bridge 400 will be also overlapped
The size in portion 420 increases, to avoid because substrate 100 it is flexible due to lead to the limited faying surface of overlap joint bridge 400 and electrode block 222
Product reduces even zero, and then avoids influencing the electric connection between electrode block 222, can avoid the touch-control effect of touch screen 10 by
To influence.
Fig. 1 is referred to, the first touch control electrode 210 extends along first direction 12, and multiple electrodes block 222 is in a second direction between 14
Used outside insulated is arranged, and first direction 12 is vertical with second direction 14.
In the present embodiment, interconnecting piece 420 and through-hole 310 are square structure, and the length of the first line segment A1 is more than or equal to
1.5 times of the length of second line segment A2, that is, the length of side of interconnecting piece 420 is more than or equal to 1.5 times of the length of side of through-hole 310.More
Body, the length of side of interconnecting piece 420 is 2~3 times of the length of side of through-hole, so, it is possible more to ensure that effective overlapping area will not be because
Substrate 100 stretches and is affected.In other embodiment, through-hole 310 can also be circular configuration, at this point, interconnecting piece 420
The minimum value of the length of side is more than or equal to 1.5 times of 310 diameter of through-hole.
In an embodiment, Fig. 1 and Fig. 3 is referred to, the inside of interconnecting piece 420 offers the first notch 422, connects to reduce
The area of socket part 420.It overlaps bridge 400 and is generally metallic bone bridge, in the present embodiment, the material of overlap joint bridge 400 is metallic silver.
Metallic bone bridge has certain naked eyes visibility relative to transparent materials such as ITO, when increasing the size of interconnecting piece 420, gesture
It must make entirely to overlap bridge 400 and become large-sized, touch screen 10 be combined with display panel after forming touching display screen, it is increased
Overlap joint bridge 400 can cause harmful effect to the visual effect of touching display screen.For this purpose, in the present embodiment, in interconnecting piece 420
Portion opens up the first notch 422, so, it is possible the area for reducing interconnecting piece 420, and then avoid 400 knot of overlap joint bridge of large-size
Structure impacts the visual effect of touching display screen.
In the present embodiment, interconnecting piece 420 includes effective overlapping regions 420a and the side being connect with effective overlapping regions 420a
Edge join domain 420b, effective overlapping regions 420a and 310 face of through-hole and covering through-hole 310 namely effective overlapping regions
410a is projection of the through-hole 310 in interconnecting piece 420.It is effective overlapping regions 420a shown in dotted line frame to refer in Fig. 3, just
Lower section is through-hole 310.First notch 422 can only be set to edge attachment zones domain 420b, can also be opened in edge attachment zones
Domain 420b simultaneously extends to effective overlapping regions 420a.
In one embodiment, the structure of the first notch 422 can be the group of decussate texture, square structure or diversified forms
It closes, does not limit herein.In one embodiment, the number of the first notch 422 is multiple, and multiple first notches 422 are arranged in array
Cloth, parallel with first direction 12 per a line the first notch 422, the first notch of each row 422 is parallel with second direction 14, first
On direction 12, the length of interconnecting piece 420 is more than or equal to 1.3 times of the gap length of adjacent two first notches 422, interconnecting piece 420
Length be more than or equal to 1.3 times of the first notch 422 positioned at periphery and the spacing at the edge of interconnecting piece 420.In the present embodiment,
Fig. 2 and Fig. 3 is referred to, the number of the first notch 422 is four, and four the first notches 422 are along first direction 12 and second direction
14 are opened in interconnecting piece 420 in array.Since the size on overlap joint bridge 400 in a first direction 12 is typically about 105 μm or so, if
First notch 422 and the spacing at the edge of interconnecting piece 420 and the spacing of adjacent two first notch 422 are excessive, then can lead to
The size of one notch 422 is very small, to which the purpose for opening up the first notch 422 be not achieved, namely can not avoid overlap joint 400 knot of bridge
Structure is influenced caused by the visual effect of touching display screen, therefore, will be positioned at the first notch 422 and interconnecting piece 420 of periphery
The spacing at edge and the spacing of adjacent two first notch 422 are set smaller than equal to 80 μm.
In other embodiment, the number of the first notch 422 is multiple, and multiple first notches 422 are parallel along first direction 12
It being alternatively arranged, every 1 first notch 422 14 extends in a second direction, in a first direction on 12, the length of interconnecting piece 420 is more than etc.
In 1.3 times of the gap length of adjacent two first notches 422, the length of interconnecting piece 420 is more than or equal to be lacked positioned at the first of periphery
1.3 times of the spacing at the edge of mouth 422 and interconnecting piece 420.That is, on first direction 12, the length of interconnecting piece 420 is 105 μm
When, adjacent two first notches 422 are smaller than equal to 80 μm, are located at the edge of the first notch 422 and interconnecting piece 420 of periphery
Be smaller than equal to 80 μm.First one end of notch 422 far from middle part 410 is through interconnecting piece 420 far from middle part 410
One end.
In the present embodiment, in order to further improve the visual effect of touching display screen, overlap the middle part 410 of bridge 400 into
One step offers the second notch 412.The structure of the second notch 412 is rectangular configuration in the present embodiment.
In one embodiment, insulating layer 300 include multiple spaced collets 300a, the number of collets 300a with take
The number for connecing bridge 400 is identical, and corresponds, and collets 300a insulate for that will overlap bridge 400 with the first touch control electrode 210.
It is provided with a collets 300a between each overlap joint bridge 400 and touch control electrode layer 200, through-hole 310 is opened in the two of collets 300a
End, to ensure that overlap bridge 400 connect simultaneously with electrode block 222, overlaps and insulate between bridge 400 and the first touch control electrode 210
Setting.
Each technical characteristic of embodiment described above can be combined arbitrarily, to keep description succinct, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, it is all considered to be the range of this specification record.
Several embodiments of the invention above described embodiment only expresses, the description thereof is more specific and detailed, but not
Can the limitation to the scope of the claims of the present invention therefore be interpreted as.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Range.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of touch screen, which is characterized in that including：
Substrate；
Touch control electrode layer, including the first touch control electrode and second touch control electrode, the second touch control electrode include multiple isolations
The electrode block of edge arrangement, the line of multiple electrode blocks are staggered with first touch control electrode；
Insulating layer is set to surface of the touch control electrode layer far from the substrate, and the insulating layer offers through-hole, so that often
At least partly exposing of one electrode block；And
Bridge is overlapped, is set on the insulating layer, and connect the two neighboring electrode block, the overlap joint bridge includes positioned at intermediate
Middle part and two interconnecting pieces positioned at both ends, the interconnecting piece electrically connect with the electrode block exposed from the through hole
It connects, so that adjacent two electrode block is electrically connected；
Wherein, the line of any at the edge of the center of the through-hole and the interconnecting piece is the first line segment, in the through-hole
The connection of any of the heart and the inner wall of the through-hole is second line segment, and the second line segment is parallel with first line segment, and institute
The length for stating the first line segment is more than or equal to 1.5 times of length of the second line segment.
2. touch screen according to claim 1, which is characterized in that the inside of the interconnecting piece offers the first notch.
3. touch screen according to claim 2, which is characterized in that the structure of first notch is decussate texture or side
Shape structure.
4. touch screen according to claim 2, which is characterized in that first touch control electrode extends in a first direction, more
A electrode block in a second direction arrange by spacer insulator, and the first direction is vertical with the second direction, and described first lacks
The number of mouth is multiple, and multiple first notches are arranged in array, parallel with the first direction per the first notch of a line, often
One the first notch of row is parallel with the second direction, and in said first direction, the length of the interconnecting piece is more than or equal to adjacent
1.3 times of the gap length of two first notches, the length of the interconnecting piece is more than or equal to be lacked positioned at described the first of periphery
Mouthful with 1.3 times of the spacing at the edge of the interconnecting piece.
5. touch screen according to claim 2, which is characterized in that first touch control electrode extends in a first direction, more
A electrode block in a second direction arrange by spacer insulator, and the first direction is vertical with the second direction, and described first lacks
The number of mouth is multiple, and multiple first notches are arranged along first direction parallel interval, and each first notch is along second
Direction extends, and in said first direction, the length of the interconnecting piece is more than or equal to distance between adjacent two first notch
1.3 times of degree, the length of the interconnecting piece are more than or equal to the edge of the first notch and interconnecting piece positioned at periphery
1.3 times of spacing.
6. touch screen according to claim 5, which is characterized in that the described one end of first notch far from the middle part is passed through
Wear the one end of the interconnecting piece far from the middle part.
7. according to the touch screen described in any one of claim 5-6, which is characterized in that in a first direction, the interconnecting piece
Length be more than the length of the middle part, and the middle part offers the second notch.
8. touch screen according to claim 1, which is characterized in that the substrate is high molecular material substrate.
9. touch screen according to claim 1, which is characterized in that the insulating layer includes multiple spaced insulation
The both ends of block, each collets are overlapped with the two neighboring electrode block respectively, and the both ends of each collets point
The through-hole is not offered, and the number of the collets is identical as the overlap joint number of bridge, and each overlap joint bridge is set to
One surface of the collets far from the substrate.
10. a kind of touch device, which is characterized in that including such as claim 1-9 any one of them touch screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810356906.5A CN108762543B (en) | 2018-04-19 | 2018-04-19 | Touch screen and touch device using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810356906.5A CN108762543B (en) | 2018-04-19 | 2018-04-19 | Touch screen and touch device using same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108762543A true CN108762543A (en) | 2018-11-06 |
| CN108762543B CN108762543B (en) | 2021-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810356906.5A Active CN108762543B (en) | 2018-04-19 | 2018-04-19 | Touch screen and touch device using same |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112416156A (en) * | 2019-08-23 | 2021-02-26 | 陕西坤同半导体科技有限公司 | Touch display panel and preparation method |
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| KR20120075982A (en) * | 2010-12-29 | 2012-07-09 | 하이디스 테크놀로지 주식회사 | Capacitance touch panel and the method thereof |
| CN202838249U (en) * | 2012-07-24 | 2013-03-27 | 宸鸿科技(厦门)有限公司 | Touch panel |
| CN105786237A (en) * | 2015-01-09 | 2016-07-20 | 三星显示有限公司 | Flexible touch panel and flexible display device |
| CN107272935A (en) * | 2016-03-31 | 2017-10-20 | 东友精细化工有限公司 | Touch sensor |
| CN107577375A (en) * | 2017-10-24 | 2018-01-12 | 业成科技（成都）有限公司 | Touch-screen and its manufacture method |
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2018
- 2018-04-19 CN CN201810356906.5A patent/CN108762543B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20120075982A (en) * | 2010-12-29 | 2012-07-09 | 하이디스 테크놀로지 주식회사 | Capacitance touch panel and the method thereof |
| CN202838249U (en) * | 2012-07-24 | 2013-03-27 | 宸鸿科技(厦门)有限公司 | Touch panel |
| CN105786237A (en) * | 2015-01-09 | 2016-07-20 | 三星显示有限公司 | Flexible touch panel and flexible display device |
| CN107272935A (en) * | 2016-03-31 | 2017-10-20 | 东友精细化工有限公司 | Touch sensor |
| CN107577375A (en) * | 2017-10-24 | 2018-01-12 | 业成科技（成都）有限公司 | Touch-screen and its manufacture method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112416156A (en) * | 2019-08-23 | 2021-02-26 | 陕西坤同半导体科技有限公司 | Touch display panel and preparation method |
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| CN108762543B (en) | 2021-05-11 |
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