CN107247532A - Touch-screen - Google Patents
Touch-screen Download PDFInfo
- Publication number
- CN107247532A CN107247532A CN201710623791.7A CN201710623791A CN107247532A CN 107247532 A CN107247532 A CN 107247532A CN 201710623791 A CN201710623791 A CN 201710623791A CN 107247532 A CN107247532 A CN 107247532A
- Authority
- CN
- China
- Prior art keywords
- touch
- electrode
- screen
- peripheral wiring
- instruction unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04112—Electrode mesh in capacitive digitiser: electrode for touch sensing is formed of a mesh of very fine, normally metallic, interconnected lines that are almost invisible to see. This provides a quite large but transparent electrode surface, without need for ITO or similar transparent conductive material
Abstract
A kind of touch-screen includes cover plate, decorative layer, dielectric layer, sensor structure and peripheral wiring.The cover plate includes touch area and frame region；The decorative layer is arranged at the inner surface of the frame region of the cover plate；The dielectric layer is located at side of the decorative layer away from the cover plate；The sensor structure correspondence touch area is set；The peripheral wiring correspondence frame region, and positioned at the dielectric layer away from the decorative layer side, the peripheral wiring is also electrically connected with the sensor structure.The decorative layer also includes shielding portion and instruction unit, the instruction unit has predetermined word or pattern, the shielding portion is located at instruction unit periphery, seen along the direction of the vertical touch-screen, the Part I of the peripheral wiring is overlapping with the instruction unit, the dielectric layer includes fluting, and the fluting is between the Part I and the instruction unit of the peripheral wiring, and the dielectric constant of the medium in the fluting is less than the dielectric constant of the dielectric layer.
Description
Technical field
The present invention relates to a kind of touch-screen.
Background technology
At present, touch technology has been widely used in the display device of various electronic products, in order to which user utilizes
Touch control manner manipulates the start of the electronic product.Contact panel is in order that the electrode of its touch area is difficult, by depending on recognizing, generally to adopt
Transparent touch electrode is formed with tin indium oxide (Indi μm of Tin Oxides, ITO).But with contact panel application gradually
Develop towards large-sized direction, exist that resistance is larger using the technology of indium tin oxide transparency electrode, that touch-control responds speed is slower,
Multiple tracks processing step is needed and the technical problem such as cost of manufacture is higher, also using metal grill (Metal Mesh) touch control electrode
Transparent touch electrode for replacing tin indium oxide.
Usually, traditional touch-screen generally includes a cover sheet, and cover sheet middle section is transparent touch-control
Region, the surrounding in the touch area is frame region.The touch area is provided with sensor structure, for detecting touch-control
The position of action, the frame region is provided with decorative layer, and the peripheral wiring of the sensor structure is connected to cover.Specifically
Ground, the decorative layer can be including forming the instruction unit of predetermined word or pattern and being arranged at the masking of the instruction unit periphery
Portion, the predetermined word or pattern can be trade mark or specific identifier.
However, because the instruction unit and the peripheral wiring are respectively positioned on the frame region and by dielectric layer interval,
When the two generation is overlapping there may be larger parasitic capacitance, and yield and touch-control performance to touch-screen etc. produces unfavorable shadow
Ring, it is necessary to improve.
The content of the invention
In view of this, it is necessary to which providing a kind of improves the touch of the overlapping adverse effect produced of instruction unit and peripheral wiring
Screen.
A kind of touch-screen, it includes：
Cover plate, including touch area and the frame region positioned at touch area periphery；
Decorative layer, is arranged at the inner surface of the frame region of the cover plate；
Dielectric layer, positioned at side of the decorative layer away from the cover plate；
Sensor structure, the correspondence touch area is set；And
Peripheral wiring, the correspondence frame region, and positioned at the dielectric layer away from the decorative layer side, the periphery
Cabling is also electrically connected with the sensor structure；
Wherein, the decorative layer also includes shielding portion and instruction unit, and the instruction unit forms predetermined word or pattern, described
Shielding portion is located at instruction unit periphery, is seen along the direction of the vertical touch-screen, the Part I of the peripheral wiring and institute
State instruction unit overlapping, the dielectric layer includes fluting, the fluting is indicated positioned at the Part I of the peripheral wiring with described
Between portion, the dielectric constant of the medium in the fluting is less than the dielectric constant of the dielectric layer.
In one embodiment, the medium in the fluting is air.
In one embodiment, the dielectric constant of the medium in the fluting is less than 2.
In one embodiment, the edge at the edge of the instruction unit and the dielectric layer has predetermined space.
In one embodiment, the predetermined space is more than 0.15mm.
In one embodiment, the insulation impedance of the material of the instruction unit is less than 1012Europe.
In one embodiment, the dielectric layer is optical cement layer.
In one embodiment, the dielectric layer is also located between the sensor structure and the cover plate.
In one embodiment, the sensor structure includes multiple electrodes, the quantity of the peripheral wiring be it is a plurality of,
Each electrode connects a corresponding peripheral wiring, is seen along the direction of the vertical touch-screen, and the of a plurality of peripheral wiring
It is a part of overlapping with the instruction unit.
In one embodiment, the multiple electrode include multiple first electrodes extended in a first direction and with institute
The intersecting multiple second electrodes of multiple first electrode insulation are stated, the multiple first electrode constitutes many with the multiple second electrode
Individual electric capacity；The wire netting that the first electrode includes the conductive electrode of transparent conductive material or constituted including a plurality of metal micro-line
Lattice structure；The wire netting that the second electrode includes the conductive electrode of transparent conductive material or constituted including a plurality of metal micro-line
Lattice structure.
Compared to prior art, in touch-screen of the invention, the dielectric layer includes fluting, and the fluting is located at described outer
Enclose between the Part I of cabling and the instruction unit, the dielectric constant of the medium in the fluting is less than Jie of the dielectric layer
Electric constant so that the peripheral wiring and the parasitic capacitance of the instruction unit crossover position are smaller, and then can improve larger
Yield and touch-control performance of stray capacitance upon touch screen etc. have a negative impact.
Brief description of the drawings
Fig. 1 is the planar structure schematic diagram of the touch-screen of first embodiment of the invention.
Fig. 2 is the diagrammatic cross-section of the touch-screen shown in Fig. 1.
Fig. 3 is the diagrammatic cross-section of the touch-screen shown in Fig. 1.
Fig. 4 is the sensor structure of the touch-screen shown in Fig. 1 and the planar structure schematic diagram of peripheral wiring.
Fig. 5 is the sensor structure of the touch-screen of second embodiment of the invention and the structural representation of peripheral wiring.
Fig. 6 is the sensor structure of the touch-screen of third embodiment of the invention and the structural representation of peripheral wiring.
Fig. 7 is the sensor structure of the touch-screen of four embodiment of the invention and the structural representation of peripheral wiring.
Fig. 8 is the sensor structure of the touch-screen of fifth embodiment of the invention and the structural representation of peripheral wiring.
Fig. 9 is the sensor structure of the touch-screen of sixth embodiment of the invention and the structural representation of peripheral wiring.
Main element symbol description
Touch-screen 10
Cover plate 11
Decorative layer 12
Dielectric layer 13
Sensor structure 14
Peripheral wiring 15,25,35,45,55,65
Touch area 111
Frame region 112
Instruction unit 121
Shielding portion 122
Fluting 131
Part I 151,251,351,451,551,651
Substrate 140,240,340,440,540,640
First electrode 141,241,341,441,541,641
Insulating barrier 143,243,543,643
Second electrode 142,242,342,442,542,642
First direction X
Second direction Y
First electrode portion 241a, 441a
First connecting portion 241b, 441b
Second electrode portion 242a, 424a
Second connecting portion 242b, 442b
Insulation division 343a, 443a
Following embodiment will further illustrate the present invention with reference to above-mentioned accompanying drawing.
Embodiment
Fig. 1, Fig. 2 and Fig. 3 are referred to, Fig. 1 is the planar structure schematic diagram of the touch-screen 10 of first embodiment of the invention,
Fig. 2 is the diagrammatic cross-section of II-II along Fig. 1, and Fig. 3 is the diagrammatic cross-section of III-III along Fig. 1.The touch-screen 10 is wrapped
Include cover plate 11, decorative layer 12, dielectric layer 13, sensor structure 14 and peripheral wiring (Fanout) 15.
The cover plate 11 includes touch area 111 and frame region 112, and the cover plate 11 can be transparent cover plate, its material
Material can include one kind in glass, sapphire, transparent resin, crystalline ceramics, but be not limited to above-mentioned material.It is appreciated that institute
Arc angling can be had by stating the surrounding of cover plate 11, and the cover plate 11 can be 2.5D the or 3D cover plates that edge has radian.
The decorative layer 12 is arranged at the inner surface of the frame region 112 of the cover plate 11, for covering the touch-screen
10 peripheral wiring 15 etc., in present embodiment, the decorative layer 12 is also formed with predetermined word or pattern.Specifically, it is described
Decorative layer 12 also includes instruction unit 121 and shielding portion 122, and the instruction unit 121 has the predetermined word or pattern, described pre-
Determine word or pattern can be specific pattern, specific word or monogram, such as trade mark word or pattern, certain brand it is special
With sign (Logo as shown in Figure 1) etc..The shielding portion 122 is located at the periphery of instruction unit 121.It is appreciated that described
Shielding portion 122 is different from the color and material of the instruction unit 121, specifically, the shielding portion 122 and the instruction unit 121
Can be that (shielding portion 122 includes black ink materials to the different ink material of color as described, and the instruction unit 121 includes it
His colored ink material) so that the instruction unit 121 can have the predetermined word or pattern.The material of the instruction unit 121
The insulation impedance of material can be less than 1012Europe.
The dielectric layer 13 is located at the touch-control of side and the cover plate 11 of the decorative layer 12 away from the cover plate 11
The inner surface in region 111.Specifically, the material of the dielectric layer 13 can be optical cement (OCA), for by the peripheral wiring
15 and the sensor structure 14 be adhered to the decorative layer 12 away from the side of cover plate 11 and the touch area 111
Surface.
Further, the dielectric layer 13 includes fluting 131, and the correspondence of fluting 131 instruction unit 121 is set, described to open
The dielectric constant of medium in groove 131 is less than the dielectric constant of the dielectric layer 13.Specifically, the medium in the fluting 131
Dielectric constant be less than 2.In present embodiment, it is described fluting 131 in medium be gas, such as air, however, it will be understood that
In change embodiment, the less insulating materials of other dielectric constants, such as resin material can be filled in the fluting 131
Deng.Further, the edge of the dielectric layer 13 and the edge of the instruction unit 121 also have predetermined space, described predetermined
The width at interval can be more than 0.15 millimeter (mm).
The correspondence of sensor structure 14 touch area 111 is set, and positioned at the dielectric layer 13 away from the lid
The side of plate 11, wherein the sensor structure 14 can be adhered to the touch area of the cover plate 11 by the dielectric layer 13
111 inner surface, so that the dielectric layer 13 is sandwiched between the cover plate 11 and the sensor structure 14.It is appreciated that institute
State sensor structure 14 be used for detect be applied to the touch area 111 touch position.It is appreciated that the sensing
Device structure 14 can be capacitive touch sensor structure, and the touch that its detecting is applied to the touch area 111 causes
Capacitance variations, the position to detect the touch for being applied to the touch area 111.
The correspondence of peripheral wiring 15 frame region 112, and positioned at the dielectric layer 13 away from the decorative layer 12
Side.The peripheral wiring 15 is also electrically connected with the sensor structure 14, for being electrically connected by flexible circuit board (not shown)
Contact control driving and detection circuit (not shown), the drive signal of the touch-control and detection drive circuit is transmitted to the sense
The induced signal surveyed device structure 14 and produce the sensor structure 14 transmits to touch-control driving and detects circuit, enters
And the touch-control driving and detection circuit judge to be applied to the touch area according to the drive signal and the induced signal
The position of 111 touch.It is appreciated that the quantity of the peripheral wiring 15 is a plurality of, the sensor structure 14 can be with
Including multiple electrodes, each electrode connects a corresponding peripheral wiring 15.The material of the peripheral wiring 15 can include gold
Category, such as lighttight metal：Silver, aluminium etc..
Further, the peripheral wiring 15 includes Part I 151, is seen along the direction of the vertical touch-screen 10, institute
The Part I 151 for stating peripheral wiring 15 is overlapping with the instruction unit 121, and the fluting 131 is located at the peripheral wiring 15
Between Part I 151 and the instruction unit 121.The flat shape of the fluting 131 can be rectangle, but be not limited to rectangle,
Can also be circular, ellipse, polygon or other shapes being adapted with the profile of instruction unit 121.
Referring to Fig. 4, Fig. 4 is the sensor structure 14 of the touch-screen 10 shown in Fig. 1 and the planar structure of peripheral wiring 15
Schematic diagram.The sensor structure 14 is bilayer conductive layer architecture, and it includes substrate 140, multiple first electrodes 141, insulating barrier
143 and multiple second electrodes 142.The multiple in the first direction X of first electrode 141 extensions, the multiple second electrode 142
Y extends in a second direction, and the first direction X can be vertical with the second direction Y.In present embodiment, first electricity
Pole 141 and the second electrode 142 are vertical bar shaped.
The first electrode 141 is located at different layers with the second electrode 142, and the insulating barrier 143 is sandwiched in described first
Between electrode 141 and the second electrode 142, the multiple first electrode 141 intersects with the insulation of the multiple second electrode 142
Constitute multiple electric capacity.It is appreciated that the sensor structure 14 is applied to the touch area by the detecting of the multiple electric capacity
Change in electric caused by 111 touch, the position to detect the touch for being applied to the touch area 111.
The first electrode 141 can be formed by transparent conductive material (such as tin indium oxide, ITO), and the second electrode 142 can also be by
Formed with first electrode identical transparent conductive material.The material of the insulating barrier 143 can be transparent insulation material.
Each first electrode 141 connects a corresponding peripheral wiring 15, and each second electrode 142 also connects corresponding
One peripheral wiring 15.And a plurality of peripheral wiring 15 includes the Part I 151 of the correspondence instruction unit 121, from plane
(direction of the i.e. vertical touch-screen 10 is seen), the Part I 151 is overlapping with the fluting 131 of the dielectric layer 13.
Compared to prior art, in touch-screen 10 of the invention, the dielectric layer 13 includes fluting 131, the fluting 131
Between the Part I 151 and the instruction unit 121 of the peripheral wiring 15, the dielectric of the medium in the fluting 131
Constant is less than the dielectric constant of the dielectric layer 13 so that the peripheral wiring 15 is posted with the crossover position of instruction unit 121
Raw electric capacity is smaller, and such as user's finger and the parasitic capacitance that the peripheral wiring is formed are smaller, and then can improve larger parasitism
Electric capacity has a negative impact to yield and touch-control performance of touch-screen etc..
Referring to Fig. 5, Fig. 5 is the sensor structure of the touch-screen of second embodiment of the invention and the structure of peripheral wiring
Schematic diagram.The structure of the touch-screen of the second embodiment and the touch-screen of first embodiment is essentially identical, that is to say, that
The description of the above-mentioned touch-screen to the first embodiment substantially goes for the touch of the second embodiment
Screen, the two main difference is that：The structure of sensor structure is different.
Specifically, in the second embodiment, the sensor structure include substrate 240, multiple first electrodes 241,
Insulating barrier 243 and multiple second electrodes 242.The multiple in the first direction X of first electrode 241 extensions, the multiple second
Y extends electrode 242 in a second direction, and the first direction X can be vertical with the second direction Y.The first electrode 241 with
The second electrode 242 is located at different layers, the insulating barrier 243 be sandwiched in the first electrode 241 and the second electrode 242 it
Between, the multiple first electrode 241 intersects the multiple electric capacity of composition with the insulation of the multiple second electrode 242.It is appreciated that described
Sensor structure is applied to change in electric caused by the touch of touch area by the detecting of the multiple electric capacity, to detect
Survey the position for the touch for being applied to touch area.The first electrode 241 can be by transparent conductive material (such as indium oxide
Tin, ITO) formed, the second electrode 242 can also be by forming with first electrode identical transparent conductive material.The insulation
Layer 243 can be transparent insulation material.
Each first electrode 241 includes multiple first electrode portion 241a and multiple first connecting portion 241b, and the multiple the
One electrode portion 241a is arranged along the first direction X, by corresponding one first connection between two neighboring first electrode portion 241a
Portion 241b connections.Each second electrode 242 includes multiple second electrode portion 242a and multiple second connecting portion 242b, the multiple
Second electrode portion 242a is arranged along the second direction Y, is connected between two neighboring second electrode portion 242a by corresponding one second
Socket part 242b connections.The first connecting portion 241b of the first electrode 241 and the second electrode 242 and the second connecting portion
242b is overlapped.The first electrode portion 241a and second electrode portion 242a can be with substantially diamond shaped, the first connecting portion
Substantially vertical bar shaped.
Each first electrode 241 connects a corresponding peripheral wiring 25, and each second electrode 242 also connects corresponding
One peripheral wiring 25.It is (i.e. vertical from plane and a plurality of peripheral wiring 25 includes the Part I 251 of correspondence instruction unit
The direction of the touch-screen is seen), the Part I 251 is overlapping with the fluting of dielectric layer.
Referring to Fig. 6, Fig. 6 is the sensor structure of the touch-screen of third embodiment of the invention and the structure of peripheral wiring
Schematic diagram.The structure of the touch-screen of 3rd embodiment and the touch-screen of first embodiment is essentially identical, that is to say, that
The description of the above-mentioned touch-screen to the first embodiment substantially goes for the touch of the 3rd embodiment
Screen, the two main difference is that：The structure of sensor structure is different.
In 3rd embodiment, the sensor is single layer of conductive Rotating fields.Specifically, the sensor structure bag
Include multiple first electrodes 341, multiple insulation division 343a and multiple second electrodes 342.The multiple first electrode 341 is along first
Direction X extends, and Y extends the multiple second electrode 342 in a second direction, and the first direction X can be with the second direction Y
Vertically.In present embodiment, the first electrode 341 and the second electrode 342 are vertical bar shaped.The first electrode 341
Same layer is predominantly located in the second electrode 342, is such as respectively positioned on substrate 340.Each insulation division 343a is located at correspondence
A first electrode 341 and a second electrode 342 intersection, the first electrode 341 and the second electrode 342 is exhausted
Edge.It is appreciated that the part being located on the insulation division 343a of the second electrode 342 is located at the first electrode 341
Different layers.The material of the insulation division 343a is transparent insulation material.
The sensor structure is applied to telecommunications caused by the touch of touch area by the detecting of the multiple electric capacity
Number change, the position to detect the touch for being applied to touch area.The first electrode 341 can be by electrically conducting transparent material
Expect (such as tin indium oxide, ITO) formation, the second electrode 342 can also by with first electrode identical transparent conductive material shape
Into.However, it will be understood that in one embodiment, the second electrode 342 can largely with the first electrode 341
Material is identical, but the part on the insulation division 343a can be metal material.
Each first electrode 341 connects a corresponding peripheral wiring 35, and each second electrode 342 also connects corresponding
One peripheral wiring 35.And a plurality of peripheral wiring 35 includes the Part I 351 of the correspondence instruction unit, from plane (i.e.
The direction of the vertical touch-screen is seen), the Part I 351 is overlapping with the fluting of dielectric layer.
Referring to Fig. 7, Fig. 7 is the sensor structure of the touch-screen of four embodiment of the invention and the structure of peripheral wiring
Schematic diagram.The structure of the touch-screen of 4th embodiment and the touch-screen of first embodiment is essentially identical, that is to say, that
The description of the above-mentioned touch-screen to the first embodiment substantially goes for the touch of the 4th embodiment
Screen, the two main difference is that：The structure of sensor structure is different.
Specifically, in the 4th embodiment, the sensor structure includes multiple first electrodes 441, multiple insulation
Portion 443a and multiple second electrodes 442.The multiple in the first direction X of first electrode 441 extensions, the multiple second electrode
442 Y extensions in a second direction, the first direction X can be vertical with the second direction Y.Each first electrode 441 includes many
Individual first electrode portion 441a and multiple first connecting portion 441b, the multiple first electrode portion 441a are arranged along the first direction X
By corresponding first connecting portion 441b connections between row, two neighboring first electrode portion 441a.Each second electrode 442 includes
Multiple second electrode portion 442a and multiple second connecting portion 442b, the multiple second electrode portion 442a are along the second direction Y
By corresponding second connecting portion 442b connections between arrangement, two neighboring second electrode portion 442a.Each insulation division 443a
In a corresponding first electrode 441 first connecting portion 441b and a second electrode 442 second connecting portion 442b intersection,
So that the first electrode 441 to be insulated with the second electrode 442.The material of the insulation division 443a is transparent insulation material.
The first electrode portion 441a and second electrode portion 442a can be with substantially diamond shaped, the first connecting portion substantially vertical bar
Shape.
The multiple first electrode 441 intersects the multiple electric capacity of composition with the insulation of the multiple second electrode 442.It can manage
Solution, the sensor structure is applied to electric signal caused by the touch of touch area by the detecting of the multiple electric capacity and become
Change, the position to detect the touch for being applied to touch area.The first electrode 441 can be by transparent conductive material
(such as tin indium oxide, ITO) formation, the second electrode 442 can also by with the identical transparent conductive material shape of first electrode 441
Into, however, it will be understood that in one embodiment, the second electrode portion 442a of the second electrode 442 and the described first electricity
The material of pole 441 is identical, but the second connecting portion 442b on the insulation division 443a can be metal material.
Each first electrode 441 connects a corresponding peripheral wiring 45, and each second electrode 442 also connects corresponding
One peripheral wiring 45.It is (i.e. vertical from plane and a plurality of peripheral wiring 45 includes the Part I 451 of correspondence instruction unit
The direction of the touch-screen is seen), the Part I 451 is overlapping with the fluting of dielectric layer.
Fig. 8 is the sensor structure of the touch-screen of fifth embodiment of the invention and the structural representation of peripheral wiring.Institute
The structure for stating the touch-screen of the 5th embodiment and the touch-screen of first embodiment is essentially identical, that is to say, that above-mentioned to institute
The description for stating the touch-screen of first embodiment substantially goes for the touch-screen of the 5th embodiment, the two
Main difference is that：The electrode material of sensor structure is different.
In 5th embodiment, the sensor structure is also bilayer conductive layer architecture, and it includes substrate 540, many
Individual first electrode 541, insulating barrier 543 and multiple second electrodes 542.X prolongs the multiple first electrode 541 in the first direction
Stretch, Y extends the multiple second electrode 542 in a second direction, and the first direction X can be vertical with the second direction Y.Institute
State first electrode 541 and be located at different layers with the second electrode 542, the insulating barrier 543 is sandwiched in the first electrode 541 and institute
State between second electrode 542, the multiple first electrode 541 intersects the multiple electricity of composition with the insulation of the multiple second electrode 542
Hold.In present embodiment, the first electrode 541 and the second electrode 542 are vertical bar shaped.
It is appreciated that the touch that the sensor structure is applied to touch area by the detecting of the multiple electric capacity draws
The change in electric risen, the position to detect the touch for being applied to touch area.The first electrode 541 can include
The metal mesh structure (metal mesh) being made up of metal micro-line, its material can be metal, and such as Nano Silver, copper are described
Second electrode 542 can also by with first electrode identical metal mesh structure.
Each first electrode 541 connects a corresponding peripheral wiring 55, and each second electrode 542 also connects corresponding
One peripheral wiring 55.It is (i.e. vertical from plane and a plurality of peripheral wiring 55 includes the Part I 551 of correspondence instruction unit
The direction of the touch-screen is seen), the Part I 551 is overlapping with the fluting of dielectric layer.
Fig. 9 is the sensor structure of the touch-screen of sixth embodiment of the invention and the structural representation of peripheral wiring.Institute
The structure for stating the touch-screen of the 6th embodiment and the touch-screen of second embodiment is essentially identical, that is to say, that above-mentioned to institute
The description for stating the touch-screen of second embodiment substantially goes for the touch-screen of the 6th embodiment, the two
Main difference is that：The electrode material of sensor structure is different.
Specifically, in the 6th embodiment, the sensor structure is also bilayer conductive layer architecture, and it includes substrate
640th, multiple first electrodes 641, insulating barrier 643 and multiple second electrodes 642.The multiple first electrode 641 is along first party
Extend to X, Y extends the multiple second electrode 642 in a second direction, and the first direction X can hang down with the second direction Y
Directly.The first electrode 641 is located at different layers with the second electrode 642, and the insulating barrier 643 is sandwiched in the first electrode
Between 641 and the second electrode 642, the multiple first electrode 641 intersects composition with the insulation of the multiple second electrode 642
Multiple electric capacity.It is appreciated that the sensor structure detects the touch for being applied to touch area by the multiple electric capacity
Caused change in electric, the position to detect the touch for being applied to touch area.
The first electrode 641 can include the metal mesh structure (metal mesh) being made up of metal micro-line, its material
Material can be metal, such as Nano Silver, copper, the second electrode 642 can also by with the identical metal grill of first electrode 641
Structure.
Each first electrode 641 includes multiple first electrode portion 641a and multiple first connecting portion 641b, and the multiple the
One electrode portion 641a is arranged along the first direction X, by corresponding one first connection between two neighboring first electrode portion 641a
Portion 641b connections.Each second electrode 642 includes multiple second electrode portion 642a and multiple second connecting portion 642b, the multiple
Second electrode portion 642a is arranged along the second direction Y, is connected between two neighboring second electrode portion 642a by corresponding one second
Socket part 642b connections.The first connecting portion 641b of the first electrode 641 and the second electrode 642 and the second connecting portion
641a is overlapped.
Each first electrode 641 connects a corresponding peripheral wiring 65, and each second electrode 642 also connects corresponding
One peripheral wiring 65.It is (i.e. vertical from plane and a plurality of peripheral wiring 65 includes the Part I 651 of correspondence instruction unit
The direction of the touch-screen is seen), the Part I 651 is overlapping with the fluting of dielectric layer.
Certainly, the invention is not limited in embodiment disclosed above, the present invention can also be to be carried out to above-described embodiment
Various changes.As long as those skilled in the art is appreciated that within the spirit of the present invention, to above example institute
The appropriate change and change made all fall within the scope of protection of present invention.
Claims (10)
1. a kind of touch-screen, it includes：
Cover plate, including touch area and the frame region positioned at touch area periphery；
Decorative layer, is arranged at the inner surface of the frame region of the cover plate；
Dielectric layer, positioned at side of the decorative layer away from the cover plate；
Sensor structure, the correspondence touch area is set；And
Peripheral wiring, the correspondence frame region, and positioned at the dielectric layer away from the decorative layer side, the peripheral wiring
Also electrically connected with the sensor structure；
It is characterized in that：The decorative layer also includes shielding portion and instruction unit, and the instruction unit forms predetermined word or pattern, institute
Shielding portion is stated positioned at instruction unit periphery, is seen along the direction of the vertical touch-screen, the Part I of the peripheral wiring with
The instruction unit is overlapping, and the dielectric layer includes fluting, and the fluting refers to positioned at the Part I of the peripheral wiring with described
Show between portion, the dielectric constant of the medium in the fluting is less than the dielectric constant of the dielectric layer.
2. touch-screen as claimed in claim 1, it is characterised in that：Medium in the fluting is air.
3. touch-screen as claimed in claim 1, it is characterised in that：The dielectric constant of medium in the fluting is less than 2.
4. touch-screen as claimed in claim 1, it is characterised in that：The edge at the edge of the instruction unit and the dielectric layer has
There is predetermined space.
5. touch-screen as claimed in claim 4, it is characterised in that：The predetermined space is more than 0.15mm.
6. touch-screen as claimed in claim 1, it is characterised in that：The insulation impedance of the material of the instruction unit is less than 1012Europe.
7. touch-screen as claimed in claim 1, it is characterised in that：The dielectric layer is optical cement layer.
8. touch-screen as claimed in claim 1, it is characterised in that：The dielectric layer be also located at the sensor structure with it is described
Between cover plate.
9. touch-screen as claimed in claim 1, it is characterised in that：The sensor structure includes multiple electrodes, the periphery
The quantity of cabling is a plurality of, and each electrode connects a corresponding peripheral wiring, is seen along the direction of the vertical touch-screen, described
The Part I of a plurality of peripheral wiring is overlapping with the instruction unit.
10. touch-screen as claimed in claim 1, it is characterised in that：The multiple electrode includes multiple extend in a first direction
First electrode and insulated multiple second electrodes for intersecting with the multiple first electrode, the multiple first electrode with it is described
Multiple second electrodes constitute multiple electric capacity；The first electrode includes the conductive electrode of transparent conductive material or including a plurality of gold
Belong to the metal mesh structure that micro-line is constituted；The second electrode includes the conductive electrode of transparent conductive material or including a plurality of gold
Belong to the metal mesh structure that micro-line is constituted.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710623791.7A CN107247532A (en) | 2017-07-27 | 2017-07-27 | Touch-screen |
| TW106127393A TWI644243B (en) | 2017-07-27 | 2017-08-11 | Touch panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710623791.7A CN107247532A (en) | 2017-07-27 | 2017-07-27 | Touch-screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107247532A true CN107247532A (en) | 2017-10-13 |
Family
ID=60011831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710623791.7A Pending CN107247532A (en) | 2017-07-27 | 2017-07-27 | Touch-screen |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107247532A (en) |
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| CN102819334A (en) * | 2011-06-09 | 2012-12-12 | 天津富纳源创科技有限公司 | Touch screen |
| CN102955598A (en) * | 2011-08-25 | 2013-03-06 | 联胜（中国）科技有限公司 | Touch panel and touch display device |
| CN202795288U (en) * | 2012-04-27 | 2013-03-13 | 深圳莱宝高科技股份有限公司 | Panel structure |
| US20140160059A1 (en) * | 2012-12-07 | 2014-06-12 | Tera Xtal Technology Corporation | Touch sensor mechanism and manufacturing method thereof |
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| JP5396335B2 (en) * | 2009-05-28 | 2014-01-22 | 株式会社半導体エネルギー研究所 | Touch panel |
| TW201232373A (en) * | 2011-01-19 | 2012-08-01 | Wintek Corp | Touch-sensitive device and touch-sensitive display device |
| CN202351831U (en) * | 2011-09-10 | 2012-07-25 | 宸鸿科技(厦门)有限公司 | Touch panel with shielding structure |
| WO2015132694A1 (en) * | 2014-03-07 | 2015-09-11 | Semiconductor Energy Laboratory Co., Ltd. | Touch sensor, touch panel, and manufacturing method of touch panel |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102819334A (en) * | 2011-06-09 | 2012-12-12 | 天津富纳源创科技有限公司 | Touch screen |
| CN102955598A (en) * | 2011-08-25 | 2013-03-06 | 联胜（中国）科技有限公司 | Touch panel and touch display device |
| CN202795288U (en) * | 2012-04-27 | 2013-03-13 | 深圳莱宝高科技股份有限公司 | Panel structure |
| US20140160059A1 (en) * | 2012-12-07 | 2014-06-12 | Tera Xtal Technology Corporation | Touch sensor mechanism and manufacturing method thereof |
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| TWI644243B (en) | 2018-12-11 |
| TW201905658A (en) | 2019-02-01 |
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