CN104461205B - Touch screen - Google Patents
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- CN104461205B CN104461205B CN201410812134.3A CN201410812134A CN104461205B CN 104461205 B CN104461205 B CN 104461205B CN 201410812134 A CN201410812134 A CN 201410812134A CN 104461205 B CN104461205 B CN 104461205B
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- electrode unit
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- distance
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- connecting line
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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
Abstract
The present invention provides a kind of touch screen.The touch screen includes transparent substrates and several electrodes, electrode includes first electrode, second electrode and third electrode, wherein first electrode unit is equidistantly arranged along first direction, second electrode unit is equidistantly arranged along first direction, and it is staggered with the first electrode unit, second direction of the third electrode in the first electrode unit and the second electrode unit, and third electrode unit is equidistantly arranged along first direction, each third electrode unit and a first electrode unit and the adjacent one second electrode unit couple form induction region respectively, the third electrode unit is corresponded with third connecting line.The present invention can reduce the quantity of connecting line.
Description
Technical field
The present invention relates to multimedia technology more particularly to a kind of touch screens.
Background technology
Touch screen is a kind of inductive arrangement of receivable touch input signal.Touch screen is typically mounted at LCD screen etc.
Before display device, and there is translucency, user can be made in the information that viewing screen is shown, is given instead by touching touch screen
Feedback, to carry out interactive process.
Currently, the conductive layer that the structure of touch screen generally comprises transparent substrates and is set in transparent substrates.Fig. 1 is tradition
The structural schematic diagram of touch screen, as shown in Figure 1, being set to the electrode that conductive layer in substrate 10 includes multiple parallel arrangements, each
Electrode is by a first electrode 11, multiple second electrodes 12 and respectively by first electrode and all second electrodes and transparent substrates
On the connecting line 14 and 15 that is connected of flexible PCB 13 form, first electrode 11 and second electrode 12 are all rectangle, and the
The long side of one electrode 11 is much larger than short side and the length of side of second electrode 12, long side of the multiple second electrodes 12 along first electrode 11
Direction is equidistantly arranged in 11 the same side of first electrode.First electrode 11 and second electrode 12 pass through connecting line and flexible circuit
Plate 13 connects.When having object proximity or contact touch screen, close to the object space first electrode 11 and second electrode 12 it
Between capacitance will produce variation, which is transferred to flexible PCB by the connecting line 14 and 15 for being separately connected two electrodes again
13, you can determine the touch position of object on the touchscreen according to the capacitance variations on touch screen.Due in induction region points
The region of cloth connecting line can form sense blind area, in order to reduce sense blind area, will usually connect the connection of each second electrode
Line is divided into two groups of opposite sides for guiding entire touch screen induction region into, wherein side lead further around the side for crossing induction region and
The flexible PCB for connecting touch chip is connected.
However, since the quantity of the second electrode with independent connection line is more, therefore connect second electrode and flexible electrical
The connecting line of road plate is also more, and in order to cover the lateral connecting line of induction region, wider rim area is needed to form on touch screen,
It can also make touch screen induction region that there is larger sense blind area simultaneously.
Invention content
The present invention provides a kind of touch screen, can be by the way that first electrode, second electrode and third electrode is arranged, and makes third
Each third electrode unit in electrode couples with adjacent first electrode unit and second electrode unit respectively and to form induction zone
Induction to reduce the quantity of third electrode unit and the third connecting line for connecting each third electrode unit, and is reduced in domain
The area of blind area.
The present invention provides a kind of touch screen, including：Transparent substrates and several electrodes, electrode gap are arranged in transparent substrates
On, electrode includes：
First electrode, including several first connecting lines and first electrode unit, first electrode unit is along first direction interval
It arranges, passes through one first connecting line between adjacent first electrode unit and connect；
Second electrode, including several second connecting lines and second electrode unit, second electrode unit is along first direction interval
Arrangement, and it is staggered with first electrode unit, it is connected by one second connecting line between adjacent second electrode unit；
Third electrode, including several third electrode units and with the one-to-one third connecting line of third electrode unit,
Third electrode unit and is alternatively arranged in the second direction of first electrode unit and second electrode unit along first direction, each
Third electrode unit and a first electrode unit and an adjacent second electrode unit couple form induction region respectively.
Further, first electrode unit, second electrode unit and third electrode unit are rectangular electrode unit.
Further, the ratio of touch screen as described above, the first facing area and the first distance is more than third right opposite
The ratio of the ratio of product and the 4th distance, the second facing area and second distance is more than the ratio of third facing area and the 4th distance
Value, the first facing area are more than the ratio of the 4th facing area and third distance, the second facing area with the ratio of the first distance
It is more than the ratio of the 4th facing area and third distance with the ratio of second distance, wherein
The area of first facing area face part between third electrode unit and first electrode unit adjacent thereto,
The area of second facing area face part between third electrode unit and second electrode unit adjacent thereto, third face
The area of area face part between adjacent third electrode unit, the 4th facing area be the first electrode unit and with
The area of face part between its adjacent second electrode unit, the first distance are third electrode unit and adjacent thereto first
The distance between electrode unit or second electrode unit, second distance are third electrode unit and second electrode list adjacent thereto
The distance between member, third distance be first electrode unit and the distance between second electrode unit adjacent thereto, the 4th away from
From for adjacent the distance between third electrode unit.
Further, the equal length of first electrode unit, second electrode unit and third electrode unit along first direction.
Further, first electrode unit is 2mm~20mm along the length of first direction, and second electrode unit is along first party
To length be 2mm~20mm, third electrode unit along first direction length be 2mm~20mm, two neighboring first electrode
The distance between unit is 4mm~40mm, and the distance between two neighboring second electrode unit is 4~40mm, two neighboring the
The distance between three electrode units are 2~20mm.
Further, first electrode unit is 9mm~15mm along the length of first direction, and second electrode unit is along first party
To length be 9mm~15mm, third electrode unit along first direction length be 9mm~15mm, two neighboring first electrode
The distance between unit is 18mm~30mm, and the distance between two neighboring second electrode unit is 18~30mm, two neighboring
The distance between third electrode unit is 9~15mm.
Further, the first connecting line and the second connecting line are straight line, and first electrode unit is respectively positioned on the first connecting line
Close to the side of the second connecting line, and the side of separate second connecting line of first electrode unit and the first connecting line are the same as always
On line, second electrode unit is respectively positioned on the second connecting line close to the side of the first connecting line, and second electrode unit far from the
The side of one connecting line and the second connecting line are on the same line.
Further, first electrode unit, second electrode unit and third electrode unit are provided with zigzag protruding portion, the
The protruding portion of three electrode units and the protruding portion of first electrode unit and the protruding portion of second electrode unit are staggered.
Further, the first connecting line is in fold-line-shaped and between third electrode unit and second electrode unit.
Further, the width of the first connecting line, the second connecting line and third connecting line, which is respectively less than, is equal to 10um.
Further, transparent substrates side is provided with flexible PCB.
Further, electrode is made of conductive grid.
Further, the grid line width of conductive grid is less than 10 μm, and the spacing between two neighboring grid node is 10~
800μm。
Further, conductive grid is embedded structure, and conductive grid includes glue-line and conductive material, and glue-line is set to transparent
In substrate, side of the glue-line far from transparent substrates opens up latticed groove, and conductive material is set in latticed groove.
Further, the thickness of glue-line is 1um~30um, and the thickness of conductive material is 0.1um~10um.
Further, the thickness of glue-line is 2um~11um, and the thickness of conductive material is 0.5um~5um.
Touch screen provided in an embodiment of the present invention includes the first electricity by each electrode of setting on a transparent substrate
Pole, second electrode and third electrode, wherein the first electrode unit of first electrode and the second electrode unit of second electrode interlock
Arrangement, third electrode unit and a first electrode unit and an adjacent second electrode unit couple form induction zone respectively
Domain, and all first electrode units correspond to the first connecting line of same, and all second electrode units correspond to same second connection
Line, and third electrode unit and independent third connecting line correspond, and to reduce the quantity of connecting line, and reduce sense
Answer the area of blind area.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Some bright embodiments for those of ordinary skill in the art without having to pay creative labor, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is the structural schematic diagram of conventional touch screen；
Fig. 2 is the structural schematic diagram for the touch screen that the embodiment of the present invention one provides；
Fig. 3 is electrode position relation schematic diagram provided by Embodiment 2 of the present invention；
Fig. 4 is electrode size parameter schematic diagram provided by Embodiment 2 of the present invention；
Fig. 5 is the structural schematic diagram for the touch screen that the embodiment of the present invention three provides；
Fig. 6 is the structural schematic diagram for the touch screen that the embodiment of the present invention four provides；
Fig. 7 is the III-III cross section structure schematic diagrams of the conductive grid of the embodiment of the present invention four；
Fig. 8 is the structural schematic diagram for the touch screen that the embodiment of the present invention five provides.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
The every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
Fig. 2 is the structural schematic diagram for the touch screen that the embodiment of the present invention one provides.As shown in Fig. 2, provided in this embodiment
Touch screen can be capacitive touch screen, which includes transparent substrates and at least two electrodes, and electrode runs parallel is arranged in
In bright substrate 20, transparent substrates side is provided with flexible PCB 24.Electrode in the touch screen includes：
First electrode 21, including several first connecting lines 211 and first electrode unit 212, the first electrode unit 212 with
First connecting line 211 is the silver paste conductive layer being printed in transparent substrates, and first electrode unit 212 is arranged along first direction interval
Row, wherein connected by the first connecting line between adjacent first electrode unit.Further, nearest apart from flexible PCB
One end of first electrode unit can be connect with adjacent first electrode unit by the first connecting line, the other end passes through first
Connecting line is connect with flexible PCB 24, and multiple first electrode units 212 to keep composition one in-line connect by first
Wiring 211 is electrically connected with the flexible PCB 23.
Second electrode 22, including 221 and at least two second electrode unit 222 of several second connecting lines, second electrode list
Member 222 is alternatively arranged along first direction, and staggered with first electrode unit 212, is led between adjacent second electrode unit
Cross the connection of the second connecting line.Further, one end of the second electrode unit nearest apart from flexible PCB can pass through second
Connecting line is connect with adjacent second electrode unit, and the other end is connect by the second connecting line with flexible PCB 24.
Multiple second electrode units 222 in second electrode are submitted with the first electrode unit 212 in first electrode respectively
The arrangement of mistake arrangement so that first electrode unit 212 is alternatively arranged into always along a first direction with second electrode unit 222
It arranges, each first electrode unit 212 or second electrode unit 222 can keep identical with two adjacent electrode units in array
Spacing.
Third electrode 23, including at least two third electrode units 232 and with third electrode unit one-to-one
Three connecting lines 231, third electrode unit 232 first electrode unit and second electrode unit second direction, and along first party
To equidistant arrangement, which can be mutually perpendicular to first direction, for example, first electrode unit or second electrode list
First is lateral.Each third electrode unit can correspond to a first electrode unit 212 and an adjacent second electrode unit
222, one end of third connecting line 231 is connected with the 231 corresponding third electrode unit 232 of third connecting line, third connecting line
231 other end is connect with flexible PCB 24.Wherein, 232 and one first electrode unit 212 of each third electrode unit and
An adjacent second electrode unit 222 couples respectively forms different induction regions, when user touches touch screen, whenever user's
Finger contacts or close to these induction region, the third electrode unit 232 of the induction region and corresponding first electrode unit 212 or
Capacitance between person's second electrode unit 222 or other electric signals generate variation, the change in electric again by and Different electrodes
The connected line that is correspondingly connected with of unit is transferred in the touch chip of touch screen, and can identify that user touches according to different electric signals
What is touched is which specific region of touch screen.
Using the design, greatly reduce compared with prior art for the connecting line quantity of connection electrode, to equally reduce
The quantity for connecting the third connecting line of each third electrode unit, can reduce the area of sense blind area in this way, meanwhile, because
Connecting line to connect third electrode unit is usually placed in the side of touch screen, which can also equally greatly reduce touch
Shield side sense blind area area, to realize the design of narrow frame or Rimless.
Specifically, transparent substrates 20 can be polyethylene terephthalate (polyethylene
Terephthalate, abbreviation PET) transparent membrane, polymethyl methacrylate (abbreviation PMMA) and transparent conducting film glass
Etc. any clear sheet.Flexible PCB 24 and electrode are electrically connected, the electric signal transmission for sensing electrode to touch screen
Touch chip or other central processing units.
In practical applications, which can be that tin indium oxide (ITO) etches.Since the resistivity of ITO is larger, it is
Reduction resistance, optionally, the connecting line in the electrode can be that metal layer etch, for example, the electrode is to be printed in
Conductive silver paste in the transparent substrates is made.Specifically, after forming each electrode in substrate, a metal layer is formed in substrate,
For example, the coat of metal, then it is exposed development and etch process by graphically covering, form each connecting line, each connection
The width of line can be not more than 10um, to form the sightless connecting line of naked eyes.It is optional again, the electrode, including first
Electrode, second electrode, third electrode and connecting line, all can be metal layer etch, in the present embodiment, connecting line
Width can still be not more than 10um, and non-embossed mode may be used and prepare.
In the present embodiment, by the way that first electrode and second electrode is arranged, and make each third electrode list in third electrode
Member couples with adjacent first electrode unit and second electrode unit respectively and to form induction region, to reduce third electrode list
Member and the quantity for the third connecting line for connecting each third electrode unit, reduce the area of sense blind area.
Further, in a preferred embodiment, first electrode unit above-mentioned, second electrode unit and third electrode unit
All can be rectangular electrode unit, in addition, all electrode units may be triangle, trapezoidal or irregular bar shaped etc. is other
Shape.When former electrodes unit is rectangular electrode, first electrode unit in electrode, second electrode unit and the can be limited
Three electrode units along first direction equal length so that each third electrode unit can correspond to one just in electrode
First electrode unit and adjacent second electrode unit, to be formed, size is identical and evenly arranged touch-sensitive area
Domain.
When each section in the electrodes generates capacitance variations under user's finger touching, not only as induction electrode pair
There are inductance capacitance changes between third electrode unit and first electrode unit and third electrode unit and second electrode unit
Change, and electricity is also will produce between adjacent third electrode unit or first electrode unit and adjacent second electrode unit
Hold, this capacitance is interference capacitors.To ensure that there is larger induced electricity capacitance between electrode unit, and reduce interference capacitors, each electricity
Certain size and position relationship should be met between pole unit.By capacitance induction principle it is found that electricity between two electrode units
Appearance is directly proportional to the facing area between two electrode units, and the distance between two electrode units are inversely proportional.Therefore can pass through
Facing area and distance between electrode unit are set, to ensure that the inductance capacitance between induction electrode is larger, interference capacitors compared with
It is small.It, can be to each electrode unit when first electrode unit, second electrode unit and third electrode unit are rectangular electrode unit
The distance between the facing area of other electrode units and adjacent electrode unit are set.
Fig. 3 is electrode position relation schematic diagram provided by Embodiment 2 of the present invention.As shown in figure 3, the first face can be set
Area S1The area of face part between third electrode unit and first electrode unit adjacent thereto, specifically, and third
The adjacent first electrode unit of electrode unit is that the first electrode unit to form induction region is coupled with the third electrode unit；
Second facing area S11The area of face part between third electrode unit and second electrode unit adjacent thereto, specifically
, the second electrode unit adjacent with third electrode unit is to couple to form the second of induction region with the third electrode unit
Electrode unit；Third facing area S2The area of face part, the 4th facing area S between adjacent third electrode unit3For
The area of face part between first electrode unit and second electrode unit adjacent thereto；First distance is third electrode unit
With the distance between first electrode unit or second electrode unit adjacent thereto, second distance be third electrode unit and and its
The distance between adjacent second electrode unit, and the first distance and second distance are equal, are all d1, third distance d2It is first
Electrode unit and the distance between second electrode unit adjacent thereto, the 4th distance d3Between adjacent third electrode unit
Distance.
To ensure that the capacitance between induction electrode is sufficiently large, and interference capacitors are smaller, the position between each electrode unit
It should all meet following relationship with size：The ratio S of first facing area and the first distance1/d1More than third facing area and the 4th
The ratio S of distance2/d3, the ratio S of the second facing area and second distance11/d1More than third facing area and the 4th distance
Ratio S2/d3, the ratio S of the first facing area and the first distance1/d1More than the ratio S of the 4th facing area and third distance3/
d2, the ratio S of the second facing area and second distance11/d1More than the ratio S of the 4th facing area and third distance3/d2。
Further, the electrode unit in each electrode can also be limited to specific size range.Fig. 4 is implementation of the present invention
The electrode size parameter schematic diagram that example three provides.As shown in figure 4, first electrode unit is d along the length of first direction4, second
Electrode unit is d along the length of first direction5, third electrode unit is d along the length of first direction6, two neighboring first electrode
The distance between unit is d7,, the distance between two neighboring second electrode unit is d8, two neighboring third electrode unit it
Between distance be d9.The condition that above-mentioned length and distance should meet is：2mm≤d4≤ 20mm, preferably 9mm≤d4≤15mm；
2mm≤d5≤ 20mm, preferably 9mm≤d5≤15mm；2mm≤d6≤ 20mm, preferably 9mm≤d6≤15mm；4mm≤d7≤
0mm, preferably 18mm≤d7≤30mm；4mm≤d8≤ 40mm, preferably 18mm≤d8≤30mm；2mm≤d9≤ 20mm, preferably
For 9mm≤d9≤15mm。
In the present embodiment, by limit the facing area in touch screen electrode between each electrode unit and adjacent electrode unit it
Between distance, the induced electricity capacitance between electrode unit can be made sufficiently large, and keep the interference capacitors between electrode unit smaller, to
Ensure that touch screen has good touch-control sensing effect.
Fig. 5 is the structural schematic diagram for the touch screen that the embodiment of the present invention three provides.As shown in figure 5, being arranged in the present embodiment
First electrode 41 in 40 top electrode of substrate forms complementary shape with second electrode 42.Specifically, in the touch screen, each
The form of electrode is：First connecting line 411 and the second connecting line 421 are straight line, and first electrode unit 412 is respectively positioned on the first company
Wiring 411 is close to the side of the second connecting line 421, and the side far from the second connecting line 421 of first electrode unit 412 and the
On the same line, i.e., the sideline of all 412 sides of first electrode unit is in one connecting line 411 with the first connecting line 411
On same straight line；Second electrode unit 422 is respectively positioned on the second connecting line 421 close to the side of the first connecting line 411, and second
The side of separate first connecting line 411 of electrode unit 422 and the second connecting line 421 are on the same line so that all second
The side sideline of electrode unit 422 is in the second connecting line 421 on another straight line.To all staggered in the electrode
First electrode unit 412 and second electrode unit 422 be between this two straight lines, and make first electrode 41 and second
Electrode 42 constitutes a complementary shape.Because of the first connecting line and the second connecting line and the one of counter electrode unit in electrode
Side flushes, so the width in a second direction of first electrode and second electrode can be effectively reduced, to reduce first electrode list
Member 412 or second electrode unit 422 in third electrode 43 at a distance from third electrode unit 432, between increase electrode unit
Induced electricity capacitance reduces sense blind area.Specifically, in the present embodiment, first electrode 41 and the shape of second electrode 42 are mutual
It mends, and its respective connecting line, such as the first connecting line 411 and the second connecting line 421, linearly, thus by first electrode 41
When regarding whole as with second electrode 42, the two is in regular strip altogether.
In the present embodiment, the first electrode in electrode forms complementary structure and shape with second electrode.It in this way can be with
The width in a second direction for effectively reducing first electrode and second electrode, to increase electrode unit induced electricity capacitance or
Reduce the sense blind area of touch screen.
Fig. 6 is the structural schematic diagram for the touch screen that the embodiment of the present invention four provides.As shown in fig. 6, the electricity in the present embodiment
Pole is made of conductive grid.The structure size of grid is very small, can make first electrode in electrode, second electrode and third electricity
The visual effect of similar transparent is extremely presented.Such as the cable line width of composition conductive grid is less than 10 μm, two neighboring grid section
Spacing between point is 10~800 μm.Fig. 7 is the III-III cross section structure schematic diagrams of the conductive grid of the embodiment of the present invention four.
As shown in fig. 7, the conductive grid for constituting electrode is embedded structure, include mainly glue-line 62 and conductive material 61, glue-line is set to
In transparent substrates 20, side of the glue-line 62 far from transparent substrates 20 opens up latticed groove, and conductive material 61 is set to latticed
In groove.It is specially provided with latticed groove on one side of the glue-line 62 far from transparent substrates 20, conduction material is filled in groove
Material 61, conductive material 61 form conductive grid after curing.Wherein, the thickness of glue-line is 1 μm~30 μm, preferably 2 μm~11 μ
m.It is 0.1 μm~10 μm, preferably 0.5 μm~5 μm that the depth of groove, which is less than bondline thickness and the thickness of conductive material,.
In the present embodiment, the electrode of touch screen is made of conductive grid.The structure size setting of conductive grid can make
The visual effect of similar transparent is presented in electrode, entire touch screen can be made to be rendered as pellucidity in this way.
Fig. 8 is the structural schematic diagram for the touch screen that the embodiment of the present invention five provides.As shown in figure 8, each electricity in the electrodes
Protruding portion is additionally provided on pole unit, to increase third electrode unit 732 and first electrode unit 712 or second electrode unit
Touch-control area between 722.Such as on each first electrode unit 712, second electrode unit 722 and third electrode unit 732
All there are two same size, saw-toothed protruding portion, protruding portion 733 and the first electrode units 712 of third electrode unit 732
Protruding portion 713 and second electrode unit 722 protruding portion 723 it is staggered, meanwhile, connect all first electrode units
712 the first connecting line 711 is located between third electrode unit 732 and corresponding second electrode unit 722.It is in this way so that every
It each side of the protruding portion 733 of a third electrode unit 732 can be with adjacent first electrode unit or second electrode list
Inductance capacitance is formed between the protruding portion 713,723 of member, to increase the inductance capacitance between electrode.
In the present embodiment, first electrode unit, second electrode unit and third electrode unit in electrode are provided with sawtooth
Shape protruding portion, and the protruding portion of third electrode unit and the protruding portion of first electrode unit and the protruding portion of second electrode unit
It is staggered, the inductance capacitance between electrode unit can be increased in this way, to enhance the induction sensitivity of entire touch screen.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, it will be understood by those of ordinary skill in the art that：Its according to
So can with technical scheme described in the above embodiments is modified, either to which part or all technical features into
Row equivalent replacement；And these modifications or replacements, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (14)
1. a kind of touch screen, including：Transparent substrates and several electrodes, the electrode gap are arranged in transparent substrates, feature
It is, the electrode includes：
First electrode, including several first connecting lines and first electrode unit, the first electrode unit is along first direction interval
It arranges, passes through first connecting line between the adjacent first electrode unit and connect；
Second electrode, including several second connecting lines and second electrode unit, the second electrode unit is along first direction interval
Arrangement, and it is staggered with the first electrode unit, connect by one described second between the adjacent second electrode unit
Wiring connects；
Third electrode, including several third electrode units and with the one-to-one third connecting line of the third electrode unit,
The third electrode unit the first electrode unit and the second electrode unit second direction, and between first direction
Every arrangement, each third electrode unit and a first electrode unit and the adjacent one second electrode unit divide
Induction region Ou He not formed；
The first electrode unit, second electrode unit and third electrode unit are provided with zigzag protruding portion, the third electricity
The protruding portion of pole unit and the protruding portion of the first electrode unit and the protruding portion of the second electrode unit are staggered；
The transparent substrates side is provided with flexible PCB.
2. touch screen according to claim 1, which is characterized in that the first electrode unit, second electrode unit and
Three electrode units are rectangular electrode unit.
3. touch screen according to claim 2, which is characterized in that
First facing area is more than the ratio of third facing area and the 4th distance, the second facing area with the ratio of the first distance
It is more than the ratio of third facing area and the 4th distance, the ratio of the first facing area and the first distance with the ratio of second distance
More than the ratio of the 4th facing area and third distance, the ratio of the second facing area and second distance is more than the 4th facing area
With the ratio of third distance, wherein
The area of first facing area face part between the third electrode unit and first electrode unit adjacent thereto,
The area of second facing area face part between the third electrode unit and second electrode unit adjacent thereto,
The area of third facing area face part between the adjacent third electrode unit,
The area of 4th facing area face part between the first electrode unit and second electrode unit adjacent thereto,
First distance be third electrode unit and the distance between first electrode unit adjacent thereto or second electrode unit,
Second distance be third electrode unit and the distance between second electrode unit adjacent thereto,
Third distance be first electrode unit and the distance between second electrode unit adjacent thereto,
4th distance is adjacent the distance between the third electrode unit.
4. touch screen according to claim 2, which is characterized in that the first electrode unit, second electrode unit and
Equal length of three electrode units along first direction.
5. touch screen according to claim 2, which is characterized in that length of the first electrode unit along the first direction
Degree is 2mm~20mm, and the second electrode unit is 2mm~20mm, the third electrode list along the length of the first direction
Member along the first direction length be 2mm~20mm, the distance between two neighboring described first electrode unit be 4mm~
40mm, the distance between two neighboring described second electrode unit is 4~40mm, between the two neighboring third electrode unit
Distance be 2~20mm.
6. touch screen according to claim 2, which is characterized in that length of the first electrode unit along the first direction
Degree is 9mm~15mm, and the second electrode unit is 9mm~15mm, the third electrode list along the length of the first direction
Member along the first direction length be 9mm~15mm, the distance between two neighboring described first electrode unit be 18mm~
30mm, the distance between two neighboring described second electrode unit be 18~30mm, the two neighboring third electrode unit it
Between distance be 9~15mm.
7. according to claim 2~6 any one of them touch screen, which is characterized in that first connecting line and the second connection
Line is straight line, and the first electrode unit is respectively positioned on first connecting line close to the side of second connecting line, and institute
State side and first connecting line far from second connecting line of first electrode unit on the same line, described second
Electrode unit is respectively positioned on second connecting line close to the side of first connecting line, and the second electrode unit is separate
The side of first connecting line and second connecting line are on the same line.
8. touch screen according to claim 1, which is characterized in that first connecting line is in fold-line-shaped and positioned at described the
Between three electrode units and the second electrode unit.
9. according to claim 1~6 any one of them touch screen, which is characterized in that first connecting line, described second connect
The width of wiring and the third connecting line is no more than 10um.
10. according to claim 1~6 any one of them touch screen, which is characterized in that the electrode is made of conductive grid.
11. touch screen according to claim 10, which is characterized in that the width of the grid lines of the conductive grid is not more than
10 μm, the spacing between two neighboring grid node is 10~800 μm.
12. touch screen according to claim 10, which is characterized in that the conductive grid is embedded structure, the conduction
Grid includes glue-line and conductive material, and the glue-line is set in the transparent substrates, and the glue-line is far from the transparent substrates
Side offer latticed groove, the conductive material is set in the latticed groove.
13. touch screen according to claim 12, which is characterized in that the thickness of the glue-line is 1um~30um, described to lead
The thickness of electric material is 0.1um~10um.
14. touch screen according to claim 12, which is characterized in that the thickness of the glue-line is 2um~11um, described to lead
The thickness of electric material is 0.5um~5um.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410812134.3A CN104461205B (en) | 2014-12-23 | 2014-12-23 | Touch screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410812134.3A CN104461205B (en) | 2014-12-23 | 2014-12-23 | Touch screen |
Publications (2)
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| CN108509092B (en) * | 2017-02-27 | 2021-03-12 | 奕力科技(开曼)股份有限公司 | Double-layer mutual capacitance type touch panel |
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| CN202736009U (en) * | 2012-08-31 | 2013-02-13 | 北京京东方光电科技有限公司 | Capacitance type embedded touch screen and display device |
| CN104090685A (en) * | 2014-07-31 | 2014-10-08 | 南昌欧菲光科技有限公司 | Transparent conducting film and touch screen |
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| CN204288192U (en) * | 2014-12-23 | 2015-04-22 | 深圳欧菲光科技股份有限公司 | Touch-screen |
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| CN202736009U (en) * | 2012-08-31 | 2013-02-13 | 北京京东方光电科技有限公司 | Capacitance type embedded touch screen and display device |
| CN104090685A (en) * | 2014-07-31 | 2014-10-08 | 南昌欧菲光科技有限公司 | Transparent conducting film and touch screen |
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Effective date of registration: 20201225 Address after: 231323 Building 1, precision electronics industrial park, Hangbu Town, Shucheng County, Lu'an City, Anhui Province Patentee after: Anhui jingzhuo optical display technology Co.,Ltd. Address before: 518106 oufeiguang Science Park, HUAFA section of Songbai highway, Gongming street, Guangming New District, Shenzhen City, Guangdong Province Patentee before: Ophiguang Group Co.,Ltd. Patentee before: Nanchang OFilm Tech. Co.,Ltd. Patentee before: SUZHOU OFILM TECH Co.,Ltd. |