CN110515479A - The method and its manufactured goods of transparent conductive film reduction regional area impedance value - Google Patents
The method and its manufactured goods of transparent conductive film reduction regional area impedance value Download PDFInfo
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- CN110515479A CN110515479A CN201810494172.7A CN201810494172A CN110515479A CN 110515479 A CN110515479 A CN 110515479A CN 201810494172 A CN201810494172 A CN 201810494172A CN 110515479 A CN110515479 A CN 110515479A
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions
- B32B3/08—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by added members at particular parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
- B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
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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
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/0026—Apparatus for manufacturing conducting or semi-conducting layers, e.g. deposition of metal
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B5/00—Non-insulated conductors or conductive bodies characterised by their form
- H01B5/14—Non-insulated conductors or conductive bodies characterised by their form comprising conductive layers or films on insulating-supports
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/20—Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
- B32B2307/202—Conductive
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Ceramic Engineering (AREA)
- Position Input By Displaying (AREA)
Abstract
The present invention discloses a kind of method that transparent conductive film reduces regional area impedance value, includes: providing a transparency conducting layer；An at least regional area is defined on the transparency conducting layer；And at least one high electrical conductivity unit is electrically overlapped in the regional area, to promote the electric conductivity of the regional area and reduce impedance value；The material of the transparency conducting layer is selected from metal-oxide film；The high electrical conductivity unit is metal thin wire；The line footpath of the metal thin wire is at 5 μm or less.
Description
Technical field
The present invention relates to transparent conductive films, more specifically, refer to a kind of partial zones that can reduce transparent conductive film
The method and its manufactured goods of domain impedance value.
Background technique
The conductive film of oxidized metal material, such as tin indium oxide (ITO), since this film is simultaneously with translucency
With electric conductivity, therefore often it is made into transparent conductive film, and is applied on the photoelectric subassemblys such as various transparent touch-sensitive panels extensively；So
And the relationship being about inversely proportional according to the light transmittance and electrical conductivity of research transparent conductive film, i.e. light transmittance are cured high conductivity just
It can be poor；For example, when film surface resistivity is in 10 Ω/sq or less, it is seen that light transmittance up to 80%, if but light transmittance be intended to reach
To 90% or more, then surface resistance will be increased to 100 Ω/sq or more, so traditional transparent conductive film is in touch screen side
The application in face, the double factor for receiving light transmittance and electrical conductivity limit.
The transparent touch plate that preceding common configuration is used before display screen as input unit, mostly uses ITO conductive film
It is manufactured, by the induction electrode and its signal guide passage for depicting majority on transparent ito thin film to form touch-control sensing structure,
However, touch-control sensing electrode and signal guide passage recently as the trend of electronic product function precise treatment, on touch-control sensor
Dimensions also all more and more tiny change, and will to generate high impedance value existing for the ITO induction electrode of tinyization and signal guide passage
As, the decaying of transmission signal is caused, the transmission of signal is unfavorable for, is caused in design and the processing procedure exploitation of large touch plate,
Face the bottleneck for being difficult to overcome.
Summary of the invention
The main purpose of the present invention is to provide a kind of methods that transparent conductive film reduces regional area impedance value, can be
Under the basis for not detracting looking forward or upwards property, reduces the regional area of transparent conductive film by impedance value, promote conductibility, Gain Transparent is led
Application of the conductive film in touch-control sensor scope.
In order to achieve the above object, the method that transparent conductive film of the invention reduces regional area impedance value, includes: providing one
Transparency conducting layer；An at least regional area is defined on the transparency conducting layer；And it is electrically overlapped in the regional area
One high electrical conductivity unit, promotes the electric conductivity of the regional area accordingly, up to the mesh for the impedance value for reducing the regional area
's.
In particular, the material of the transparency conducting layer is selected from metal-oxide film or graphene film etc., but unlimited
In this；The material of the metal-oxide film is selected from tin indium oxide, indium zinc oxide, zinc oxide aluminum, tin-antiomony oxide or poly- second
Dioxy thiophene etc. is supportted, but not limited to this.
In particular, the regional area be touch-control sensing electrode or touching signals transmission line etc., but not limited to this.
In particular, the high electrical conductivity unit is metal thin wire or metal grill (Metal Mesh) etc., but unlimited
In this；It is preferred that the line footpath of the metal thin wire at 25 μm hereinafter, it is further preferred that the line footpath of the metal thin wire 5 μm with
Under；The material of the metal thin wire is selected from gold, silver, copper, aluminium, molybdenum, nickel or alloy of previous materials etc., but not limited to this.
In particular, the metal thin wire includes straight line, the undaform curve, rule of one or plural number continuity extension
Lines or irregular lines etc., or be as composed by spaced most line segments, but not limited to this.
It is a further object of the present invention to provide a kind of transparent conductive films for having regional area low impedance value, can reduce
Material cost is increased transparency and saved to the thickness of bright conductive film, and can promote the electric conductivity and signal transduction of regional area
Efficiency, so that the Trackpad of larger size area designs and produces, Gain Transparent conductive film is in touch-control sensor scope
Using.
In order to achieve the above object, the transparent conductive film of tool regional area low impedance value of the invention, includes an electrically conducting transparent
Layer has at least one regional area defined；And at least one high electrical conductivity list is electrically overlapped in the regional area
Member reduces the impedance value of the regional area accordingly.
In particular, the material of the transparency conducting layer is selected from metal-oxide film or graphene film etc., but unlimited
In this；The material of the metal-oxide film is selected from tin indium oxide, indium zinc oxide, zinc oxide aluminum, tin-antiomony oxide or poly- second
Dioxy thiophene etc. is supportted, but not limited to this.
In particular, the regional area be touch-control sensing electrode or touching signals transmission line etc., but not limited to this.
In particular, the high electrical conductivity unit is metal thin wire or metal grill (Metal Mesh) etc., but unlimited
In this；It is preferred that the line footpath of the metal thin wire at 25 μm hereinafter, it is further preferred that the line footpath of the metal thin wire 5 μm with
Under；The material of the metal thin wire is selected from gold, silver, copper, aluminium, molybdenum, nickel or alloy of previous materials etc., but not limited to this.
In particular, the metal thin wire includes straight line, the undaform curve, rule of one or plural number continuity extension
Lines or irregular lines etc., or be as composed by spaced most line segments, but not limited to this.
In one embodiment, the transparent conductive film of the local low impedance value of tool of the invention, which is fabricated to one kind by application, to drop
The transparent capacitance type touch inductor of the low serial surface resistance of touch-control sensing constructs, and mainly serially above electrically takes in touch-control sensing
Connect a high electrical conductivity unit；The transparent capacitance type touch inductor constructs, and includes: a first transparent inductive layer, material
Material is selected from metal-oxide film or graphene film, has the first induction of plural number serial on first inductive layer, described
First induction serially carries over the serial of first direction by the first sensing unit of plural number and in a row forms, a other first induction
A serial end sets one first overlapped points, and upper there is one first high electrical conductivity line to carry over the first induction is serial
The setting of one direction, and it is electrically overlapped in first overlapped points and plural number first sensing unit, described first is high electrical
Call wire is a nanometer grade filament, and its material is selected from the alloy of gold, silver, copper, aluminium, molybdenum, nickel or previous materials；One is transparent
Second inductive layer, material are selected from metal-oxide film or graphene film, and second induction is serially by plural number second
Sensing unit carries over the serial of second direction and in a row forms, and the serial end of a other second induction sets one second and takes
Contact, and serially above there is one second high electrical conductivity line to carry over second direction setting in second induction, and electrically overlap
In second overlapped points and plural number second sensing unit, the first high electrical conductivity line is a nanometer grade filament,
And alloy of its material selected from gold, silver, copper, aluminium, molybdenum, nickel or previous materials；One transparent insulating layer is arranged on described first
Among inductive layer and second inductive layer, the separation insulated from each other of aforementioned two inductive layer is arranged accordingly；And plural number described the
One induction is serially serial each other in being staggered with plural number second induction, makes plural number first sensing unit and plural institute
It states the second sensing unit to be correspondingly arranged in complementation, forms the sensing unit matrix of a continuous trellis.
In one embodiment, the transparent conductive film of the local low impedance value of tool of the invention is fabricated to one kind simultaneously by application
Combined type transparent touch sensor structure with capacitance touching control inductor Yu electromagnetic touch-control inductor dual function, by
Touch-control sensing is serial or antenna serially the upper high electrical conductivity unit of setting is to reduce its impedance value, up to taking into account high transparency and high
The efficiency of signal transduction rate；The combined type transparent touch inductor constructs, and includes: a first transparent inductive layer, material
Selected from metal-oxide film or graphene film, have plural first capacitor induction serial and the first electromagnetism day of plural number
Line is serial, wherein the first capacitor induction serially carries over the serial in a row of first direction by plural first capacitor sensing unit
And form, the first capacitor incudes serial one end and sets a first capacitor signal overlapped points, and first electromagnetic antenna is serial
First direction setting is carried over, the serial one end of first electromagnetic antenna sets one first electromagnetic signal overlapped points, and the other end is then
It is connected to one first series line, the first series line series connection plural number first electromagnetic antenna is serial, and in first electricity
Hold induction serially and first electromagnetic antenna it is serial on be electrically overlapped with respectively and carry over the first of first direction and high electrically pass
Guide assembly, the first high electrical conductivity component are made of nanometer grade micro wire, and its material selected from gold, silver, copper, aluminium,
The alloy of molybdenum, nickel or previous materials；One the second transparent inductive layer, material are thin selected from metal-oxide film or graphene
Film has serial and plural second electromagnetic antenna of plural second capacitive sensing serial, wherein the second capacitive sensing string
Row carries over the serial of second direction by plural second capacitive sensing unit and in a row forms, second capacitive sensing it is serial one
End sets one second capacitance signal overlapped points, and second electromagnetic antenna serially carries over second direction setting, second electromagnetism day
The serial one end of line sets one second electromagnetic signal overlapped points, and the other end is then connected to one second series line, second series connection
Line series connection plural number second electromagnetic antenna is serial, and serially serial with second electromagnetic antenna in second capacitive sensing
On be electrically overlapped with the second high electrical conductivity component for carrying over second direction respectively, the second high electrical conductivity component by how
Meter level micro wire is constituted, and alloy of its material selected from gold, silver, copper, aluminium, molybdenum, nickel or previous materials；One transparent insulation
Layer, is arranged among first inductive layer and second inductive layer, accordingly by insulated from each other point of aforementioned two inductive layer
Every setting；And the first direction and the second direction it is orthogonal thereto each other, plural number first capacitor induction is serially and multiple
Number second capacitive sensing makes the plural number first capacitor sensing unit and plural number described second serially each other in being staggered
Capacitive sensing unit is correspondingly arranged in complementary graph aspect, collectively constitutes the capacitive sensing cell matrix of a continuous trellis, and is answered
With plural number the second electromagnetic antenna serially orthogonal thereto setting each other, it is continuous serially to collectively constitute one for number first electromagnetic antenna
The electromagnetic antenna matrix of trellis；In particular, the first capacitor induction is serially with first electromagnetic antenna serially each other in flat
Row and be alternatively arranged setting and second capacitive sensing serially with second electromagnetic antenna serially each other in it is parallel and
Every being arranged.
In one embodiment, the transparent conductive film of the local low impedance value of tool of the invention is fabricated to a kind of transparent by application
Mutual capacitance formula touch-control sensor construction, is mainly electrically overlapped with high electrical conductivity on it can look forward or upwards the touching signals guide passage in area
Unit, the impedance value for reducing touching signals transmission channel whereby promote touching signals conduction efficiency；The transparent interaction condenser type
Touch-control sensor construction includes: a transparent touch inductor, the middle section of the basal layer being arranged on a transparent base layer
Area can be looked forward or upwards for one, and is equipped with lighttight frame in its edge region to form a shielded area, the touch-control sensor is
Be made of metal-oxide film, have plural number induction array be arranged on it is described can look forward or upwards in area, a other induction number
Group includes a first capacitor sensing unit and plural second capacitive sensing unit, and the first capacitor sensing unit and each
The second capacitive sensing unit is electrically connected to the electric contact being located in the shielded area, In by a signal guide passage respectively
At least one high electrical conductivity line is electrically overlapped on the signal guide passage, the high electrical conductivity component is by nanometer grade micro wire
It constitutes, and alloy of its material selected from gold, silver, copper, aluminium, molybdenum, nickel or previous materials.
The content of present invention is to introduce some selected concepts in simplified form, will be further to it in embodiment below
It is described.
Detailed description of the invention
Fig. 1 is the laminated framework schematic diagram of the touch-control sensor of first embodiment.
Fig. 2 is the front view of the touch-control sensor of first embodiment.
Fig. 3 is the rear view of the touch-control sensor of first embodiment.
Fig. 4 is the plan view of the X axis inductive layer of first embodiment.
Fig. 5 is the plan view of the Y-axis inductive layer of first embodiment.
Fig. 6 is the plan view of another Y-axis inductive layer of first embodiment, and description is overlapped with curve on induction is serial
The fine metal conducting wire of shape.
Fig. 7 is the plan view of another Y-axis inductive layer of first embodiment, and description is overlapped on induction is serial in more
The fine metal conducting wire of number interval line segment setting.
Fig. 8 is the plan view of another Y-axis inductive layer of first embodiment, and description is overlapped with a plurality of on induction is serial
Each other in the fine metal conducting wire of parallel shape setting.
Fig. 9 is the laminated framework schematic diagram of the touch-control sensor of second embodiment.
Figure 10 is the front view of the touch-control sensor of second embodiment.
Figure 11 is the rear view of the touch-control sensor of second embodiment.
Figure 12 is the plan view of the X axis inductive layer of second embodiment.
Figure 13 is the plan view of the Y-axis inductive layer of second embodiment.
Figure 14 is the plan view of the touch control induction circuit layout signal of 3rd embodiment.
Figure 15 is the enlarged diagram that the induction array of 3rd embodiment constructs, and description is overlapped with fine on signal guide passage
Plain conductor.
Symbol description
10 basal layers
11 color frames
The shielded area 11a
11b can look forward or upwards area
20 X axis inductive layers
The induction of 21 X axis is serial
21a sensing unit
21b overlapped points
23 fine metal conducting wires
24 Communication signal wires
25 signal output contacts
30 transparent insulating layers
40 Y-axis inductive layers
The induction of 41 Y-axis is serial
41a sensing unit
41b overlapped points
43 fine metal conducting wires
43a line segment
44 Communication signal wires
45 signal output contacts
50 coating layers
60 X axis inductive layers
61 X-axis capacitive sensings are serial
61a capacitive sensing unit
61b capacitance signal overlapped points
63 fine metal conducting wires
65 Communication signal wires
66 X-axis electromagnetic antennas are serial
67 electromagnetic signal overlapped points
68 series lines
69 fine metal conducting wires
70 Y-axis inductive layers
71 Y-axis capacitive sensings are serial
71a capacitive sensing unit
71b capacitance signal overlapped points
73 fine metal conducting wires
73a, 79a undaform curve
73b, 79b line segment
75 Communication signal wires
76 Y-axis electromagnetic antennas are serial
77 electromagnetic signal overlapped points
78 series lines
79 fine metal conducting wires
81 induction arrays
82 induction electrodes
83 driving electrodes
84 signal guide passages
85 electric contacts
89 fine metal conducting wires
Specific embodiment
The transparent conductive film of the local low impedance value of tool of the invention is exemplified below in transparent touch inductor scope application
Preferred embodiment；Embodiment as shown in Figures 1 to 5 is a kind of transparent capacitive that can reduce the serial surface resistance of touch-control sensing
Formula touch-control sensor construction mainly serially above electrically overlaps a high electrical conductivity unit (i.e. following embodiment in touch-control sensing
So-called fine metal conducting wire in explanation).
The transparent capacitance type touch inductor construction include: a basal layer 10, an X axis inductive layer 20, an insulating layer 30,
One Y-axis inductive layer 40 and a coating layer 50.Wherein, which is a high transparency glass with excellent mechanical strength
Glass thin plate is equipped at the surface periphery position of basal layer 10 by insulating properties black matrix" material (Black Matrix；BM made of)
Color frame 11, by the color frame 11 with defined on basal layer 10 peripheral part formed frame-type shielded area 11a with
And area 11b is looked forward or upwards in central part.
The looking forward or upwards in area 11b of aforesaid base plate is arranged in X axis inductive layer 20, and it includes the induction of several X axis is serial
(Trace) 21, each X axis incude serial 21 by the sensing unit 21a of multiple diamond shape planars carry over X-direction it is serial in a row and
Composition, the end that each X axis incudes serial 21 are equipped with an overlapped points 21b, separately have one in each X axis induction serial 21
The fine metal conducting wire 23 of X-direction setting is carried over, and is electrically overlapped in aforementioned overlapped points 21b and each sensing unit
21a；Aforementioned overlapped points 21b can be connected to a signal output contact 25 by a Communication signal wire 24, wherein the Communication signal wire 24 is
10 edge of basal layer is carried within the scope of the 11a of shielded area and is arranged, before forward and backward two end of the Communication signal wire 24 is electrically connected
State overlapped points 21b and signal output contact 25.
The looking forward or upwards in area 11b of aforesaid base plate is arranged in Y-axis inductive layer 40, and it includes several Y-axis inductions serial 41, respectively
Y-axis incudes serial 41 and is carried over the serial in a row of Y direction by the sensing unit 41a of multiple diamond shape planars and formed, each Y
One end of axial induction serial 41 is equipped with an overlapped points 41b, separately has one to carry over Y direction in each Y-axis induction serial 41
The fine metal conducting wire 43 of setting, and electrically it is overlapped in aforementioned overlapped points 41b and each sensing unit 41a；Aforementioned overlap joint
Point 41b can be connected to a signal output contact 45 by a Communication signal wire 44, wherein the Communication signal wire 44 is in shielded area 11a
10 edge of basal layer is carried in range and is arranged, and aforementioned overlapped points 41b is electrically connected in forward and backward two end of the Communication signal wire 44
With signal output contact 45.
Aforementioned signal output contact 25,45 can electrically be overlapped with a signal winding displacement (non-icon), and touching signals are transmitted
Operation is carried out to a signal processing circuit (non-icon).
Aforementioned X axis inductive layer 20 and Y-axis inductive layer 40 are made by transparent conductive film, material choosing
With metal-oxide film, e.g. tin indium oxide (ITO)；In addition, aforementioned fine metal conducting wire 23,43 is electrically passed using high
It leads, low-impedance material, e.g. copper wire, since the metal material of the equal fine metals conducting wire 23,43 is compared with X, Y-axis inductive layer
20,40 metal-oxide film has lower impedance value, thus the fine metal conducting wire 23,43 electrically overlapped the X such as this,
Y-axis, which incudes to generate on serial 21,41, has the effect of being promoted touching signals transmission, can effectively reduce by each sensing unit
21a, 41a reduce touching signals in the attenuation rate of transmission process to the impedance value between overlapped points 21b, 41b, and aforementioned fine
Even if the line footpath of metal wire 23,43 be set at 5 μm hereinafter, this nanometer grade metal wire it be that non-transparent material is also not people
The area eyes eyesight Suo Neng is distinguished, so being suitble to be laid in it to look forward or upwards in area 11 to use, will not detract whole clearing touch-control sensing
The looking forward or upwards property of device.
By transparent insulating layer 30 by separation insulated from each other between aforementioned X axis inductive layer 20 and Y-axis inductive layer 40
Setting, and it is correspondingly arranged sensing unit 21a, 41a on two inductive layer in complementation, form the induction list of a rhombus net trellis
Variable matrix；The transparent insulating layer 30 is one of the optical resin (OCR) that material can be solid optical adhesive film (OCA) or liquid,
Whereby can be by except aforementioned two inductive layer 20,40 dielectric separations, while having both and the two is sticked into incorporated function.
The coating layer 50 is combined on 40 outer surface of transparent conductive film inductive layer, provides the line protected on the inductive layer
Road；Coating layer 50 is the insulation film of high transparency, such as polyethylene terephthalate (PET), cyclic olefin polymer
(COP), polyethylene naphthalate (PEN), polyethylene (PE), polypropylene (PP), polyether-ether-ketone (PEEK), polysulfones (PSF), poly-
Ether sulfone (PES), polycarbonate (PC), polyamide, polyimides, acrylic resin, vinyl series plastics and trivinyl
Cellulose (TAC) etc., but not limited thereto.
According to the above description, the present embodiment is overlapped on X, Y-axis induction serially by by fine metal conducting wire 23,43
21,41 means so not only can promote touching signals transmission quality and have to reduce the impedance value of touching signals transmission channel
It is designed and produced conducive to the Trackpad of larger size area, also can also reduce the thickness of the conductive film as touch-control sensing layer,
To can both save material cost more can promote the light transmittance of touch-control sensing layer；Also, how the line footpath of the fine metal line 23,43 is
The metal wire of meter level, objectively the non-area general eye vision Suo Neng is distinguished, and its setting distribution ratio account for entire area 0.3% with
Under, the ratio for covering light transmission is extremely low or even very little, and the most areas of whole touch-control sensing layer is all engraving for light-permeable
Empty region has splendid translucency, therefore the grade fine metals line is laid in induction serially, and induction string can both be greatly reduced
Capable impedance value, promotion signal efficiency of transmission, be on the influence of its looking forward or upwards property it is very little, be have serve multiple it is excellent
Point.
The equal fine metals conducting wire 23,43 of preceding embodiment as an example is the straight line (ginseng that a continuity extends
Read Fig. 3), but used before being generally configured in LCD screen because of transparent touch plate, the fine metal conducting wire of this straight line setting has
There may be interference line (Moire), influence image display quality；Therefore the present invention is in actual application aspect, the fine metal
Conducting wire can also extend lines using undaform curve (as shown in Figure 6), metal grill or Else Rule, irregular continuity
Kenel setting, the problem of optical interference can be lowered accordingly.In addition, the fine metal conducting wire 43 is by being spaced among Fig. 7
Most line segment 43a of setting are formed, and can flexibly adjust set by fine metal conducting wire overlap joint according to the demand in design accordingly
The serial impedance value of the induction, to adjust the requirement in response to setting needed for signal processing circuit, and the kenel of aforementioned line segment shape
Being arranged also has the effect for lowering optical interference problem, and the advantages of looking forward or upwards property of promotion.It, also can be by multiple in other feasible programs
It counts fine metal conducting wire 43 and (as shown in Figure 8) is set in parallel shape each other, ensure efficient signal transmission performance accordingly.
Furthermore another embodiment as shown in Fig. 9 to Figure 13 is a kind of while having capacitance touching control inductor and electromagnetism
The combined type transparent touch sensor structure of formula touch-control sensor dual function is by serial or antenna is serial in touch-control sensing
The upper high electrical conductivity unit of setting (i.e. so-called fine metal conducting wire in following embodiment explanation) is reached simultaneous with reducing its impedance value
Care for the efficiency of high transparency and high RST conductivity.
The combined type transparent touch sensor structure includes: a basal layer 10, an X axis inductive layer 60, an insulating layer 30,
One Y-axis inductive layer 70 and a coating layer 50；Wherein, which is a high transparency glass with excellent mechanical strength
Glass thin plate is equipped with the color frame 11 made of insulating properties black matrix" material at the surface periphery position of basal layer 10, by the face
Color frame 11 forms the shielded area 11a of frame-type and looking forward or upwards in central part in peripheral part to define on basal layer 10
Area 11b.
The looking forward or upwards in area 11b of aforesaid base plate is arranged in X axis inductive layer 60, and it includes several X-axis capacitive sensings serial 61
And X-axis electromagnetic antenna serial 66, X-axis capacitive sensing serial 61 is with X-axis electromagnetic antenna serial 66 each other in parallel and interval row
It arranges and is arranged, wherein X-axis capacitive sensing serial 21 out of the ordinary carries over X-axis side by the capacitive sensing unit 61a of multiple class diamond shape planars
To it is serial in a row form, one end of each X-axis capacitive sensing serial 61 separately exists equipped with a capacitance signal overlapped points 61b
Each X-axis capacitive sensing serial 61 has one to carry over the fine metal conducting wire 63 of X-direction setting, and is electrically overlapped in aforementioned electricity
Hold signal overlapped points 61b and each capacitive sensing unit 61a；X-axis electromagnetic antenna serial 66 out of the ordinary is to carry over X-direction and set
It sets, one end of each X-axis electromagnetic antenna serial 66 is equipped with an electromagnetic signal overlapped points 67, and the other end is then connected to a series connection
The X-axis electromagnetic antenna such as this serial 66 is one another in series by line 68, the series line 68, is separately equipped on each X-axis electromagnetic antenna serial 66
One carries over the fine metal conducting wire 69 of X-direction setting, and electrically overlaps to aforementioned electromagnetic signal overlapped points 67 and series connection
On line 68.
The looking forward or upwards in area 11b of aforesaid base plate is arranged in Y-axis inductive layer 40, and it includes several Y-axis capacitive sensings serial 71
And Y-axis electromagnetic antenna serial 76, Y-axis capacitive sensing serial 71 is with Y-axis electromagnetic antenna serial 76 each other in parallel and interval row
It arranges and is arranged, wherein Y-axis capacitive sensing serial 71 out of the ordinary carries over Y-axis side by the capacitive sensing unit 71a of multiple class diamond shape planars
To it is serial in a row form, one end of each Y-axis capacitive sensing serial 71 separately exists equipped with a capacitance signal overlapped points 71b
Each Y-axis capacitive sensing serial 71 has one to carry over the fine metal conducting wire 73 of Y direction setting, and is electrically overlapped in aforementioned electricity
Hold signal overlapped points 71b and each capacitive sensing unit 71a；Y-axis electromagnetic antenna serial 76 out of the ordinary is to carry over Y direction and set
It sets, one end of each Y-axis electromagnetic antenna serial 76 is equipped with an electromagnetic signal overlapped points 77, and the other end is then connected to a series connection
The Y-axis electromagnetic antenna such as this serial 76 is one another in series by line 78, the series line 78, is separately equipped on each Y-axis electromagnetic antenna serial 76
One carries over the fine metal conducting wire 79 of Y direction setting, and electrically overlaps to aforementioned electromagnetic signal overlapped points 77 and series connection
On line 78.
Aforementioned X, capacitance signal overlapped points 61b, 71b on Y-axis inductive layer 60,70 and electromagnetic signal overlapped points 67,
77 are all arranged within the scope of the 11a of shielded area, they can connect respectively by Communication signal wire 65,75 touching signals being sent to a letter
Number processing circuit (non-icon) carries out operation.
Aforementioned X axis inductive layer 60 and Y-axis inductive layer 70 are made by transparent conductive film, material system
Select metal-oxide film, e.g. tin indium oxide (ITO)；In addition, aforementioned fine metal conducting wire 63,69,73,79 is using height
Electrical conductivity, low-impedance material, e.g. copper wire, due to the equal fine metals conducting wire 63,69,73,79 metal material compared with
X, the metal-oxide film of Y-axis inductive layer 60,70 has a lower impedance value, thus by the equal fine metals conducting wire 63,
73 electrically overlap grade X, Y-axis capacitive sensing serial 61,71 and by the electrical property of the fine metals such as this conducting wire 69,79 overlap the X such as this,
The effect that touching signals transmission will can be promoted on Y-axis electromagnetic antenna serial 66,76, to be effectively reduced by each capacitive sensing string
Row 61,71 or electromagnetic antenna serial 66,76 reduce touching signals and exist to the impedance value between its overlapped points 61b, 71b, 67,77
The attenuation rate of transmission process, and the line footpath of aforementioned fine metal line 63,73 is set at 5 μm hereinafter, and the gold of this nanometer grade
It is distinguished even belonging to line non-transparent material and being also not the area human eye eye vision Suo Neng, so being suitble to be laid in it to look forward or upwards in area 11 to make
With the looking forward or upwards property of whole clearing touch-control sensor will not be detracted.
By transparent insulating layer 30 by separation insulated from each other between aforementioned X axis inductive layer 60 and Y-axis inductive layer 70
Setting.X, Y-axis capacitive sensing serial 61,71 on two inductive layer is orthogonal thereto each other, makes capacitive sensing unit 61a, 71a in mutual
Complement form sample is correspondingly arranged, and collectively constitutes the capacitive sensing cell matrix of a rhombus net trellis, and this waits X, Y-axis electromagnetic antenna
Serial 66,76 also orthogonal thereto settings each other, collectively constitute the electromagnetic antenna matrix of a rectangle net trellis.The transparent insulating layer 30 is
Material can be one of solid optical adhesive film (OCA) or the optical resin (OCR) of liquid, whereby can by aforementioned two inductive layer 60,
Except 70 dielectric separations, while having both and the two is sticked into incorporated function.
In addition, the coating layer 50 is combined on 40 outer surface of transparent conductive film inductive layer, provides and protect on the inductive layer
Route；Coating layer 50 is the insulation film of high transparency.
According to the above description, the present embodiment is using transparency conducting layer as substrate, and by by fine metal conducting wire 63,
69,73,79 it is overlapped on serial 61, the 71 and X of X, Y-axis capacitive sensing, serial 66,76 means of Y-axis electromagnetic antenna, to reduce touching
The impedance value for controlling signal transmission pathway, enables electromagnetic touch-control inductor to integrate with capacitance touching control inductor, is formed
It is a kind of to be configured in the transparent touch sensor structure that dual touch function is used and had in front of screen, in addition, promoting touch-control
Signal transmission quality is beneficial to designing and producing for the Trackpad of larger size area, also can also reduce as touch-control sensing layer
The thickness of conductive film, thus can both save material cost more can promote the light transmittance of touch-control sensing layer；Also, the fine metal line
63,69,73,79 line footpath is the metal wire of nanometer grade, and objectively the non-area general eye vision Suo Neng is distinguished, and the distribution of its setting
Ratio accounts for entire area 0.3% hereinafter, the ratio of masking light transmission is extremely low or even very little, whole touch-control sensing layer it is exhausted big
Area is all the hollowed out area of light-permeable, has splendid translucency, therefore the grade fine metals line is laid in induction string
On row, can both be greatly reduced and incude serial impedance value, promotion signal efficiency of transmission, on the influence of its looking forward or upwards property be it is micro- its
It is micro-, furthermore, since the present invention is electrically to overlap fine metal conducting wire on conductive film, so even being institute's overlapped fine gold
Belong to conducting wire and generate broken string or online undesirable situation, but by the had electric conductivity of the conductive film itself, so can still tie up
Hold good effectiveness, it can be ensured that the product manufacturing quality of high yield.
Also, the equal fine metals conducting wire 63,69,73,79 is continuous in addition to can be one such as the explanation of previous embodiment
Property the straight line that extends except, undaform curve also can be selected, Else Rule or irregular continuity extend lines, other feasible
In scheme, which can be also made of spaced most line segments, or by plural fine metal conducting wire
And it is arranged each other in parallel shape.
Furthermore if Figure 14 to another embodiment shown in figure 15 is a kind of transparent interaction capacitance touching control inductor construction,
High electrical conductivity unit (i.e. institute in following embodiment explanation is mainly electrically overlapped on it can look forward or upwards the touching signals guide passage in area
The fine metal conducting wire of title), the impedance value for reducing touching signals transmission channel whereby promotes touching signals conduction efficiency.
Transparent interaction capacitance touching control inductor construction includes a basal layer 10, is equipped with face in 10 peripheral part of basal layer
Basal layer 10 is marked off the shielded area area 11a Ji Kezhan 11b by color frame 11；In the aforementioned sense for looking forward or upwards and being equipped with plural number in area 11b and arranging
Answer array 81.Induction array 81 is collectively constituted by the driving electrodes 83 of an induction electrode 82 and majority, induction electrode 82 and driving
Electrode 83 is correspondingly arranged in complementary patterns each other, and induction electrode 82 and each driving electrodes 83 pass through a signal guide passage 84 respectively
It is electrically connected to the electric contact 85 being located in the frame-type shielded area 11b, and is electrically overlapped respectively on the equal signals guide passage 84
One fine metal conducting wire 89 overlaps one end of the fine metal conducting wire 89 electrically to aforementioned electric contact 85, and the other end overlaps
To induction electrode 82 or driving electrodes 83；The fine metal conducting wire 89 electrically overlaps on the signal guide passage 84, can effectively drop
It is low by induction electrode 82, driving electrodes 83 to the impedance value electric contact 85, reduce touching signals in the decaying of transmission process
Rate, even and aforementioned fine metal line 89 line footpath be set at 5 μm hereinafter, this nanometer grade metal wire non-transparent material
Nor the area human eye eye vision Suo Neng is distinguished, so being suitble to be laid in it to look forward or upwards in area 11b to use, will not detract it can be looked forward or upwards
Property.
Although the present invention has been disclosed by way of example above, it is not intended to limit the present invention., any to be familiar with this operator,
Without departing from the spirit and scope of the present invention, when can be used for a variety of modifications and variations, therefore protection scope of the present invention is when view
Subject to appended claims range is defined.
Claims (22)
1. a kind of transparent conductive film reduce the method for regional area impedance value, characterized by comprising:
One transparency conducting layer is provided；
An at least regional area is defined on the transparency conducting layer；And
At least one high electrical conductivity unit is electrically overlapped in the regional area, to promote the electric conductivity of the regional area, drop
The impedance value of the low regional area.
2. the method as described in claim 1, which is characterized in that wherein, the material of the transparency conducting layer is selected from metal oxygen
One of compound film or graphene film.
3. method according to claim 2, which is characterized in that wherein, the material of the metal-oxide film is selected from oxygen
Change one of indium tin, indium zinc oxide, zinc oxide aluminum, tin-antiomony oxide or Polyglycolic acid fibre.
4. the method as described in claim 1, which is characterized in that wherein, the regional area is touch-control sensing electrode or touch-control
Signal transduction route.
5. the method as described in claim 1, which is characterized in that wherein, the high electrical conductivity unit be metal thin wire or
Metal grill.
6. method as claimed in claim 5, which is characterized in that wherein, the metal thin wire material selected from gold, silver, copper,
One of aluminium, molybdenum, nickel or alloy of previous materials.
7. method as claimed in claim 5, which is characterized in that wherein, the line footpath of the metal thin wire is at 5 μm or less.
8. method as claimed in claim 5, which is characterized in that wherein, the metal thin wire includes that one or plural item connect
Straight line, undaform curve, the regular lines or irregular lines of continuous property extension.
9. method as claimed in claim 5, which is characterized in that wherein, the metal thin wire is by spaced majority
Composed by line segment.
10. it is a kind of have regional area low impedance value transparent conductive film, characterized by comprising:
One transparency conducting layer has at least one regional area defined；And
At least one high electrical conductivity unit is electrically overlapped in the regional area, to reduce the impedance value of the regional area.
11. transparent conductive film as described in claim 1, which is characterized in that wherein, the material of the transparency conducting layer is selected from
In one of metal-oxide film or graphene film.
12. transparent conductive film as claimed in claim 11, which is characterized in that wherein, the material of the metal-oxide film
Material is selected from one of tin indium oxide, indium zinc oxide, zinc oxide aluminum, tin-antiomony oxide or Polyglycolic acid fibre.
13. transparent conductive film as described in claim 1, which is characterized in that wherein, the regional area is touch-control sensing electricity
Pole or touching signals transmission line.
14. transparent conductive film as described in claim 1, which is characterized in that wherein, the high electrical conductivity unit is metal
Thin wire or metal grill.
15. transparent conductive film as claimed in claim 14, which is characterized in that wherein, the metal thin wire material is selected from
In one of the alloy of gold, silver, copper, aluminium, molybdenum, nickel or previous materials.
16. transparent conductive film as claimed in claim 14, which is characterized in that wherein, the line footpath of the metal thin wire is 5
μm or less.
17. transparent conductive film as claimed in claim 14, which is characterized in that wherein, the metal thin wire includes one
Or straight line, undaform curve, regular lines or irregular lines that plural number continuity extends.
18. transparent conductive film as claimed in claim 14, which is characterized in that wherein, the metal thin wire is by being spaced
Composed by most line segments of setting.
19. a kind of transparent touch inductor construction, characterized by comprising:
One the first transparent inductive layer, material are selected from metal-oxide film or graphene film, first inductive layer
It is upper to have the first induction of plural number serial, first induction serially by the first sensing unit of plural number carry over first direction it is serial at
It arranges and forms, the serial end of a other first induction sets one first overlapped points, and on first induction is serial
First direction setting is carried over one first high electrical conductivity line, and is electrically overlapped in described in first overlapped points and plural number
First sensing unit, the first high electrical conductivity line be a nanometer grade filament, and its material selected from gold, silver, copper, aluminium, molybdenum,
The alloy of nickel or previous materials；
One the second transparent inductive layer, material are selected from metal-oxide film or graphene film, the second induction string
Row carries over the serial of second direction by plural second sensing unit and in a row forms, the serial one end of a other second induction
Head sets one second overlapped points, and in second induction serially above there is one second high electrical conductivity line to carry over second direction and set
It sets, and is electrically overlapped in second overlapped points and plural number second sensing unit, the first high electrical conductivity line are
One nanometer grade filament, and alloy of its material selected from gold, silver, copper, aluminium, molybdenum, nickel or previous materials；
One transparent insulating layer is arranged among first inductive layer and second inductive layer, incudes accordingly by aforementioned two
Layer separation setting insulated from each other；And
Plural number first induction is serially serial each other in being staggered with plural number second induction, makes plural number first sense
It answers unit to be correspondingly arranged with plural number second sensing unit in complementary, forms the sensing unit matrix of a continuous trellis.
20. a kind of transparent touch inductor construction, characterized by comprising:
One the first transparent inductive layer, material are selected from metal-oxide film or graphene film, have plural number first
Serial and plural first electromagnetic antenna of capacitive sensing is serial, wherein the first capacitor induction is serially by plural first capacitor
Sensing unit carries over the serial of first direction and in a row forms, and the first capacitor incudes serial one end and sets first capacitor letter
Number overlapped points, first electromagnetic antenna serially carry over first direction setting, and the serial one end of first electromagnetic antenna sets one
First electromagnetic signal overlapped points, and the other end is then connected to one first series line, the first series line series connection plural number described the
One electromagnetic antenna is serial, and the electrical overlap joint respectively on first capacitor induction is serial and first electromagnetic antenna is serial
There is the carry over first direction first high electrical conductivity component, the first high electrical conductivity component is by nanometer grade micro wire structure
At, and alloy of its material selected from gold, silver, copper, aluminium, molybdenum, nickel or previous materials；
One the second transparent inductive layer, material are selected from metal-oxide film or graphene film, have plural number second
Serial and plural second electromagnetic antenna of capacitive sensing is serial, wherein second capacitive sensing is serially by plural second capacitor
Sensing unit carries over the serial of second direction and in a row forms, and the serial one end of second capacitive sensing sets one second capacitor letter
Number overlapped points, second electromagnetic antenna serially carry over second direction setting, and the serial one end of second electromagnetic antenna sets one
Second electromagnetic signal overlapped points, and the other end is then connected to one second series line, the second series line series connection plural number described the
Two electromagnetic antennas are serial, and electrically overlap respectively on second capacitive sensing is serial and second electromagnetic antenna is serial
There is the carry over second direction second high electrical conductivity component, the second high electrical conductivity component is by nanometer grade micro wire structure
At, and alloy of its material selected from gold, silver, copper, aluminium, molybdenum, nickel or previous materials；
One transparent insulating layer is arranged among first inductive layer and second inductive layer, feels accordingly by aforementioned two
Answer layer separation setting insulated from each other；And
The first direction and the second direction are orthogonal thereto each other, the induction of the plural number first capacitor serially with plural number described the
Two capacitive sensings make the plural number first capacitor sensing unit and plural number second capacitive sensing serially each other in being staggered
Unit is correspondingly arranged in complementary graph aspect, collectively constitutes the capacitive sensing cell matrix of a continuous trellis, and plural number described the
One electromagnetic antenna serially with plural number the second electromagnetic antenna serially orthogonal thereto setting each other, collectively constitutes the electricity of a continuous trellis
Magnetic antenna matrix.
21. transparent touch inductor construction as claimed in claim 20, which is characterized in that wherein, the first capacitor induction
Serially with first electromagnetic antenna serially each other in it is parallel and be alternatively arranged be arranged and second capacitive sensing serially with
Second electromagnetic antenna is serially in parallel and is alternatively arranged setting each other.
22. a kind of transparent touch inductor construction, is arranged a transparent touch inductor, the base on a transparent base layer
The middle section of bottom can look forward or upwards area for one, and be equipped with lighttight frame in its edge region to form a shielded area, institute
Touch-control sensor is stated to be made of metal-oxide film, have plural number induction array be arranged on it is described can look forward or upwards in area, it is a
Other induction array includes a first capacitor sensing unit and plural second capacitive sensing unit, and the first capacitor
Sensing unit and each second capacitive sensing unit are electrically connected to by a signal guide passage are located at the masking respectively
Electric contact in area, it is characterized in that: at least one high electrical conductivity line is electrically overlapped on the signal guide passage, it is described high electrical
Conducting subassembly is made of nanometer grade micro wire, and alloy of its material selected from gold, silver, copper, aluminium, molybdenum, nickel or previous materials.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3167700U (en) * | 2011-02-22 | 2011-05-12 | 洋華光電股▲ふん▼有限公司 | Transparent touch control sensor |
| CN103049124A (en) * | 2011-10-13 | 2013-04-17 | 联胜（中国）科技有限公司 | Touch control screen |
| JP3184562U (en) * | 2013-04-19 | 2013-07-04 | 洋華光電股▲ふん▼有限公司 | Transparent capacitive touch panel |
| WO2014134897A1 (en) * | 2013-03-08 | 2014-09-12 | 南昌欧菲光科技有限公司 | Touch panel and manufacturing method therefor |
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2018
- 2018-05-22 CN CN201810494172.7A patent/CN110515479B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3167700U (en) * | 2011-02-22 | 2011-05-12 | 洋華光電股▲ふん▼有限公司 | Transparent touch control sensor |
| CN103049124A (en) * | 2011-10-13 | 2013-04-17 | 联胜（中国）科技有限公司 | Touch control screen |
| WO2014134897A1 (en) * | 2013-03-08 | 2014-09-12 | 南昌欧菲光科技有限公司 | Touch panel and manufacturing method therefor |
| JP3184562U (en) * | 2013-04-19 | 2013-07-04 | 洋華光電股▲ふん▼有限公司 | Transparent capacitive touch panel |
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