CN110083279A - Transparent conductive material, touch-control structure and touch device - Google Patents
Transparent conductive material, touch-control structure and touch device Download PDFInfo
- Publication number
- CN110083279A CN110083279A CN201910375835.8A CN201910375835A CN110083279A CN 110083279 A CN110083279 A CN 110083279A CN 201910375835 A CN201910375835 A CN 201910375835A CN 110083279 A CN110083279 A CN 110083279A
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- Prior art keywords
- touch
- nano wire
- transparent conductive
- conductive material
- nanoparticle
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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
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
Abstract
A kind of transparent conductive material, comprising: nano wire, it intersects and is electrically connected to each other, and nanoparticle, it is scattered in around the nano wire, for after the nano wire breaks or separates, nano wire broken string or isolated region to be welded in melting, so that nano wire broken string or isolated region recovery electrically conduct.The touch-control structure and touch device for applying the transparent conductive material are also provided.
Description
Technical field
Touch-control structure and touching the present invention relates to technical field of touch control more particularly to a kind of transparent conductive material and using it
Control device.
Background technique
In recent years 3C Product starts to develop the protean design such as various curved surfaces, soft.Traditional electrically conducting transparent
Material such as tin indium oxide (Indium Tin Oxide, ITO), Fluorin doped tin oxide (Fluorine-doped tin oxide,
FTO), zinc oxide (ZnO) etc. has been unable to satisfy the application demand of the products such as curved surface, soft.
In the products such as curved surface, soft, generally will use include nano wire transparent conductive material as touch-control sensing
Layer.In the preparation process of such product, generally include to prolong the substrate for being formed with pixel control layer via the stretching of thermoplastic processing procedure
The step of transforming into required curved surface.In this step, pixel control layer can be stretched simultaneously with substrate.However, working as the drawing of substrate
Stretch rate be more than to a certain degree after, the nano wire in pixel control layer, which will appear, to be broken or separated, and is led so that pixel control layer loses
Electrically.
Summary of the invention
The embodiment of the present invention provides a kind of transparent conductive material comprising:
Nano wire intersects and is electrically connected to each other, and
Nanoparticle is scattered in around the nano wire, for after the nano wire breaks or separates, melting to be welded
The nano wire broken string or isolated region, so that nano wire broken string or isolated region restore to electrically conduct.
The embodiment of the present invention also provides a kind of touch-control structure comprising:
Substrate；And
Pixel control layer is formed in the surface of the substrate, and for realizing touch-control sensing operation, the pixel control layer is adopted
It is formed with above-mentioned transparent conductive material.
The embodiment of the present invention also provides a kind of touch device comprising the touch-control structure and display module being stacked, institute
Stating touch-control structure is above-mentioned touch-control structure.
Transparent conductive material provided in an embodiment of the present invention has the function of self-repair nano wire, when its nano wire is disconnected
Line or separation after, it includes nanoparticle melting after, for reduce the surface of itself can be gathered in nano wire broken string or separation
Region so that nano wire broken string or isolated region are electrically connected by the nanoparticle of aggregation, and then restore electrical
Conducting.Since above-mentioned transparent conductive material has the function of self-repair nano wire, even if so that using its pixel control layer
There is a phenomenon where nano wire broken string or separation, can also selfreparing to restore to electrically conduct, and then the touch-control structure can be applied to it is soft
Property, in curved face product, which can be flexible or curved surface touch device.
Detailed description of the invention
Fig. 1 is the schematic illustration of the transparent conductive material self-repair of the embodiment of the present invention.
Fig. 2 is the diagrammatic cross-section of the touch-control structure of the embodiment of the present invention.
Fig. 3 is the diagrammatic cross-section of the touch device of the embodiment of the present invention.
Main element symbol description
| Nano wire | 11、111、112 |
| At broken string | C |
| First fracture | 111a |
| Second fracture | 111b |
| Nanoparticle | 12 |
| Touch-control structure | 20 |
| Substrate | 21 |
| Curved surface | 210 |
| Pixel control layer | 22 |
| Touch device | 100 |
| Display module | 30 |
The present invention that the following detailed description will be further explained with reference to the above drawings.
Specific embodiment
To keep the purposes, technical schemes and advantages of the embodiment of the present disclosure clearer, below in conjunction with the embodiment of the present disclosure
Attached drawing, the technical solution of the embodiment of the present disclosure is clearly and completely described.Obviously, described embodiment is this public affairs
The a part of the embodiment opened, instead of all the embodiments.Based on described embodiment of the disclosure, ordinary skill
Personnel's every other embodiment obtained under the premise of being not necessarily to creative work, belongs to the range of disclosure protection.
Unless otherwise defined, the technical term or scientific term that the disclosure uses should be tool in disclosure fields
The ordinary meaning for thering is the personage of general technical ability to be understood." first ", " second " used in the disclosure and similar word are simultaneously
Any sequence, quantity or importance are not indicated, and are used only to distinguish different component parts.Equally, " comprising " or " packet
Containing " etc. similar word mean to occur the element or object before the word cover appear in the word presented hereinafter element or
Object and its equivalent, and it is not excluded for other elements or object.The similar word such as " connection " or " connected " is not limited to
Physics or mechanical connection, but may include electrical connection, it is either direct or indirect."upper", "lower",
"left", "right" etc. is only used for indicating relative positional relationship, and after the absolute position for being described object changes, then the relative position is closed
System may also correspondingly change.
Shown in (a) figure as shown in figure 1, transparent conductive material provided in an embodiment of the present invention comprising nano wire 11, and
Nanoparticle 12.Nano wire 11 intersects, and is electrically connected in infall, and multiple nanoparticles 12 are scattered in the nano wire
Around 11.The transparent conductive material has the advantages that flexible, transmitance is high, resistance is low etc..
Shown in (b) figure as shown in figure 1, after transparent conductive material is stretched comprising nano wire 11 may divide each other
It leaves and, it could even be possible to part nano wire 11 breaks.Specifically, the nano wire 111 of (b) figure of example as shown in figure 1 is disconnected
C is fractured into the first fracture 111a and the second fracture 111b at line, and nano wire 111 becomes larger at a distance from nano wire 112, and
It is separated from each other and comes.
It, can after transparent conductive material is stretched, and nano wire 11 is caused phenomenon of rupture occur shown in (c) figure as shown in figure 1
The transparent conductive material is heated or pressurizeed, nanoparticle 12 is made to reach the state of melting, and in order to which nanoparticle 12 reduces this
The surface energy of body is intended to be gathered at the separation of nano wire 11 or broken string.With the aggregation of nanoparticle 12, the nano wire
11 broken strings or isolated region are soldered, and then restore to electrically conduct, and have the function that repairing.Specifically, example is as shown in figure 1
(b) figure, the C at broken string, the first fracture 111a and the second fracture 111b of nano wire 111 are welded by nanoparticle 12
It connects, and realizes electric connection again, and be soldered between nano wire 111 and nano wire 112 also through nanoparticle 12, and again
It realizes and is electrically connected.
In an embodiment, the melting range of the nanoparticle 12 is 80 DEG C~200 DEG C, is added to the transparent conductive material
The temperature range of heat can be 80 DEG C~200 DEG C.In another embodiment, it can also pressurize to the transparent conductive material, so that
Nanoparticle 12 reaches the state of melting, wherein the pressure range pressurizeed can be 1Mpa~10Mpa.
In an embodiment, the material of the nano wire 11 is nano silver, nanogold, Nanometer Copper, carbon nanotube, nanometer stone
Black alkene or metal grill etc..The diameter range of the nanoparticle 12 is 1nm~50nm.
In an embodiment, the nanoparticle 12 can be the nanoparticle of single material.The single material can be single
Metal, for example, one of silver, gold, copper, platinum, aluminium etc..In another embodiment, the nanoparticle 12 can also be nucleocapsid
The nanoparticle of structure.For example, the nanoparticle 12 of core-shell structure may include kernel and the outer shell for surrounding the kernel.It is described
The material of kernel can be one of metal, such as silver, gold, copper, platinum, aluminium etc., and the material of the outer shell is resin or elasticity
Macromolecule.
As shown in Fig. 2, touch-control structure 20 provided in an embodiment of the present invention comprising substrate 21 and be formed in the substrate
The pixel control layer 22 that 21 surface operates for realizing touch-control sensing, the pixel control layer 22 use above-mentioned electrically conducting transparent
Material is formed.
Since above-mentioned transparent conductive material has the function of self-repair nano wire 11, so that using its pixel control layer
22 have preferable tensile property, so that touch-control structure 20 can be applied to curved surface, in flexible touch device.
In an embodiment, substrate 21 is flexible substrate, can be with bent performance with preferable tensility.Example
Such as, the material of substrate 21 can be poly terephthalic acid (Poly Ethylene Terephthalate, PET), polymethyl
Sour methyl esters (Poly Methylmethacrylate, PMMA), polycarbonate (Poly Carbonate, PC), cyclic olefin polymer
(Cyclo Olefin Polymer, COP), Triafol T (Triacetate Cellulose, TAC) or polyimides
(polyimide, PI) etc..Since above-mentioned transparent conductive material has the function of self-repair nano wire 11 so that using its
Even if pixel control layer 22 with flexible substrate 21 stretch after, occur nano wire 11 broken string or separate, can also selfreparing with
Recovery electrically conducts.
In another embodiment, the substrate 21 has an at least curved surface 210 (as shown in Figure 3), the pixel control layer
22 are formed on the curved surface 210.Since above-mentioned transparent conductive material has the function of self-repair nano wire 11, so that using
Its pixel control layer 22 has preferable tensile property, even if it is disconnected that nano wire 11 occurs after stretching with the curved surface 210 of substrate 21
Line or separation the phenomenon that, can also selfreparing to restore to electrically conduct.Specifically, the curved surface 210 can be a planarea or curve
Curved surface (curvilinear plane).The curved surface that planarea can be formed for a straight line riding, straight line is the bus of curved surface；Curve and surface
For a curve along a straight line or curvilinear motion formed curved surface, such as quadratic surface 210 or free form surface, curve is the mother of curved surface
Line.
In an embodiment, pixel control layer 22 includes multiple touch control electrode (not shown) that patterning is formed, multiple touchings
It controls electrode and forms single layer self-tolerant touch-control sensing structure.When having conductive body on surface of the substrate 21 far from pixel control layer 22
When (such as finger) touches, there is difference in the capacitive sensing signal in the region, and wherein through handling, conversion is the capacitive sensing signal
The relative position of touch point can be obtained.
In another embodiment, pixel control layer 22 include patterning formed multiple touch-driven electrode (not shown) and
Multiple touch-control sensing electrode (not shown).Plurality of touch-driven electrode and multiple touch-control sensing electrodes form single layer mutual capacitance type
Touch-control sensing structure.It is corresponding when there is conductive body (such as finger) touch on surface of the substrate 21 far from pixel control layer 22
Capacitive coupling between touch-driven electrode near touch point and touch-control sensing electrode will be affected, and cause and mutual tolerance phase
The inductive signal (such as voltage value) of pass changes, and then can calculate the coordinate of each touch point.
The specific structure of pixel control layer 22 is unrestricted, can be existing any sense of touch sensing structure, Ke Yiwei
Single layer structure can also be double-layer structure, can be self-tolerant control sensing structure also be mutual capacitance type control sensing structure.
As shown in figure 3, touch device 100 provided in an embodiment of the present invention, including the touch-control structure 20 being stacked and shows
Show mould group 30.The touch device 100 is folding flexible touch device, or is the curved surface touch-control dress with curved surface
It sets.
In an embodiment, display module 30 can be attached to for flexible Flexible Displays mould group with meeting it
Requirement on substrate 21 with curved surface.For example, display module 30 can be Organic Light Emitting Diode (Organic
Light Emitting Diode, OLED) display module.In other embodiments, display module 30 can also be liquid crystal display
Mould group or miniature LED (Light Emitting Diode) display module etc..
In an embodiment, touch device 100 can be mobile phone, or tablet computer, intelligent wearable device (such as intelligence
Energy wrist-watch) etc..
Embodiment of above is only used to illustrate the technical scheme of the present invention and not to limit it, although referring to better embodiment pair
The present invention is described in detail, those skilled in the art should understand that, technical solution of the present invention can be carried out
Modification or equivalent replacement, without departing from the spirit and scope of the technical solution of the present invention.
Claims (10)
1. a kind of transparent conductive material characterized by comprising
Nano wire intersects and is electrically connected to each other, and
Nanoparticle is scattered in around the nano wire, described in after the nano wire breaks or separates, melting is welded
Nano wire broken string or isolated region, so that nano wire broken string or isolated region restore to electrically conduct.
2. transparent conductive material as described in claim 1, which is characterized in that the melting range of the nanoparticle be 80 DEG C~
200℃。
3. transparent conductive material as described in claim 1, which is characterized in that the diameter range of the nanoparticle be 1nm~
50nm。
4. transparent conductive material as described in claim 1, which is characterized in that in the condition that pressure range is 1Mpa~10Mpa
Under, the nano wire broken string or isolated region are welded in the nanoparticle melting, so that nano wire recovery electrically conducts.
5. transparent conductive material as described in claim 1, which is characterized in that the nanoparticle is made of single metal.
6. transparent conductive material as described in claim 1, which is characterized in that the nanoparticle includes described in kernel and package
The shell of kernel, the material of the kernel are metal, and the material of the shell is resin or elastic polymer.
7. a kind of touch-control structure characterized by comprising
Substrate；And
Pixel control layer is formed in the surface of the substrate, and for realizing touch-control sensing operation, the pixel control layer is using such as
Transparent conductive material described in any one of claim 1 to 6 is formed.
8. touch-control structure as claimed in claim 7, which is characterized in that the substrate is flexible substrate.
9. touch-control structure as claimed in claim 7, which is characterized in that the substrate has an at least curved surface, the touch-control sense
Layer is surveyed to be formed on the curved surface.
10. a kind of touch device, including the touch-control structure being stacked and display module, which is characterized in that the touch-control structure
For the touch-control structure as described in any one of claim 7 to 9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910375835.8A CN110083279A (en) | 2019-05-07 | 2019-05-07 | Transparent conductive material, touch-control structure and touch device |
| TW108117565A TWI699681B (en) | 2019-05-07 | 2019-05-21 | Transparent conductive material, touch structure and touch device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910375835.8A CN110083279A (en) | 2019-05-07 | 2019-05-07 | Transparent conductive material, touch-control structure and touch device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110083279A true CN110083279A (en) | 2019-08-02 |
Family
ID=67419096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910375835.8A Pending CN110083279A (en) | 2019-05-07 | 2019-05-07 | Transparent conductive material, touch-control structure and touch device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110083279A (en) |
| TW (1) | TWI699681B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114806280A (en) * | 2021-01-28 | 2022-07-29 | 苏州诺菲纳米科技有限公司 | Conductive ink, transparent conductive film and preparation method thereof |
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| SG156218A1 (en) * | 2007-04-20 | 2009-11-26 | ||
| KR102225511B1 (en) * | 2014-08-26 | 2021-03-08 | 삼성전자주식회사 | Aqueous compositions, methods of producing conductive thin films using the same and conductive thin films produced thereby, and electronic devices including the same |
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| CN102368478A (en) * | 2011-04-22 | 2012-03-07 | 友达光电股份有限公司 | Method for repairing lead and method for repairing display panel |
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Also Published As
| Publication number | Publication date |
|---|---|
| TWI699681B (en) | 2020-07-21 |
| TW202042036A (en) | 2020-11-16 |
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