CN109683752A - A kind of capacitive touch screen and terminal device - Google Patents
A kind of capacitive touch screen and terminal device Download PDFInfo
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- CN109683752A CN109683752A CN201910037111.2A CN201910037111A CN109683752A CN 109683752 A CN109683752 A CN 109683752A CN 201910037111 A CN201910037111 A CN 201910037111A CN 109683752 A CN109683752 A CN 109683752A
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- vertical bar
- horizontal stripe
- conductive layer
- touch screen
- capacitive touch
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- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims abstract description 84
- 239000002042 Silver nanowire Substances 0.000 claims abstract description 42
- 229910052709 silver Inorganic materials 0.000 claims abstract description 15
- 239000004332 silver Substances 0.000 claims abstract description 15
- 239000000758 substrate Substances 0.000 claims abstract description 10
- 239000004568 cement Substances 0.000 claims abstract description 6
- 230000003287 optical effect Effects 0.000 claims abstract description 6
- 239000011248 coating agent Substances 0.000 claims abstract description 4
- 238000000576 coating method Methods 0.000 claims abstract description 4
- 239000000853 adhesive Substances 0.000 claims description 4
- 230000001070 adhesive effect Effects 0.000 claims description 4
- 238000010422 painting Methods 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 238000007639 printing Methods 0.000 abstract description 20
- 238000005530 etching Methods 0.000 abstract description 9
- 239000000463 material Substances 0.000 abstract description 8
- 239000002253 acid Substances 0.000 abstract description 5
- 239000002245 particle Substances 0.000 abstract description 5
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 abstract description 4
- 230000001066 destructive effect Effects 0.000 abstract description 4
- 238000003912 environmental pollution Methods 0.000 abstract description 4
- 239000010410 layer Substances 0.000 description 40
- 239000002002 slurry Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 239000002070 nanowire Substances 0.000 description 5
- 238000007731 hot pressing Methods 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 3
- 229910052737 gold Inorganic materials 0.000 description 3
- 239000010931 gold Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229920000139 polyethylene terephthalate Polymers 0.000 description 3
- 239000005020 polyethylene terephthalate Substances 0.000 description 3
- 238000007711 solidification Methods 0.000 description 3
- 230000008023 solidification Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000002105 nanoparticle Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 238000003848 UV Light-Curing Methods 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000003026 anti-oxygenic effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000013528 metallic particle Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000006072 paste Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- -1 polyethylene terephthalate Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
-
- 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
- H01B1/02—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of metals or alloys
-
- 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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Nanotechnology (AREA)
- Human Computer Interaction (AREA)
- Composite Materials (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Materials Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Position Input By Displaying (AREA)
Abstract
The present invention relates to touch screen field more particularly to a kind of capacitive touch screens.Capacitive touch screen of the invention includes substrate and coating silver nanowires conductive layer on base material, silver nanowires conductive layer includes visible area and binding area, OCA optical cement is fitted on visible area, wherein: the inward flange of visible area is printed with connection line to binding area, is connect silver nanowires conductive layer with flex circuit application by connection line.The present invention is using silver nanowires as conductive layer, by binding the phenomenon that area prints connection line, realizes the connection of conductive layer and flex circuit application, avoid the damage silver nanowires generated due to flex circuit application is directly bound with conductive layer in conductive layer；It does not need to be etched the silver paste of printing, laser-induced thermal etching is avoided to generate destructive particle or soda acid etching bring problem of environmental pollution.By printing connection line, the protection to the silver nanowires from conductive layer binding area to visible area can also be achieved.
Description
Technical field
The present invention relates to touch screen field more particularly to a kind of capacitive touch screens and terminal device.
Background technique
With the continuous development of science and technology, touch screen has been widely applied as a kind of simple, convenient and fast man-machine interaction mode
In the every field of our daily lifes, while with the continuous improvement that people require, touch screen is just towards large scale, high parsing
The directions such as degree, light, thin, flexible, inexpensive are developed.Traditional conductive material is mostly indium tin oxide material, but since it is being led
Electrically and flexible aspect performance it is poor, intolerant to bending repeatedly, existing multiselect uses silver nanowires as alternative materials.Silver nanowires has
The high conductivity of metallic silver, excellent flexibility, be oversize, flexible touch screen transparent electrode material optimal selection.
Existing large size capacitive touch screen manufacturing process is that one layer of silk-screen or plating are led on conductive film material
Electric metal, such as silver paste, copper, molybdenum etc., and preset pattern etching is carried out to the conductive film material for printing silver paste, so as to root
Mating driver, which is carried out, according to different IC schemes achievees the purpose that touch；Then it will act as the Anisotropically conductive adhesive tape patch of conducting medium
It overlays on flex circuit application (FPC), to carry out flex circuit application hot pressing binding, the flex circuit application after making binding passes through conductive gold
Belong to and conductive film material is realized by the silver slurry layer for being etched into predetermined pattern and orients conducting.But frame is being etched with laser means
Printing conductive silver paste when, be easy to produce micron-sized metallic particles, and then damage the nano-silver thread etc. of visible area, cause good
Rate is relatively low.If acid ink or etching paste is selected to be etched simultaneously, in addition to cleaning process is cumbersome, it is also easy to generation environment dirt
Dye is outer, also easily corrodes the nano-silver thread of visible area.
Summary of the invention
Against the above technical problems, the present invention provides a kind of capacitive touch screen, by binding in silver nanowires conductive layer
Area prints a connection line, realizes the connection of conductive layer and flex circuit application, avoids being directly bound；It is not required to printing connecting line
Road is etched, and may also function as the protective effect to binding area's silver nanowires.
The invention adopts the following technical scheme:
A kind of capacitive touch screen, including substrate and coating silver nanowires conductive layer on base material, silver nanowires conduction
Floor includes visible area and binding area, is compounded with OCA optical cement on visible area, in which: the edge of visible area is printed with to binding area
Silver nanowires conductive layer is connect by connection line by connection line with flex circuit application.
Further, connection line is the conductive silver paste being printed on silver nanowires conductive layer.
Further, conductive silver paste screen painting, spraying, print or be transferred on silver nanowires conductive layer.
Further, connection line and flex circuit application pass through anisotropic conductive film, anisotropic conductive adhesive paste or silver paste bonding
Conducting.
Further, connection line include the first horizontal stripe, the second horizontal stripe and the first vertical bar, the second vertical bar ..., it is n-th perpendicular
Item；First vertical bar, the second vertical bar ..., the n-th vertical bar be parallel to each other and be located between the first horizontal stripe and the second horizontal stripe, with first
Horizontal stripe and the connection of the second horizontal stripe；First horizontal stripe is connect with flex circuit application, the edge connection of the second horizontal stripe and visible area.
Further, the length of the first horizontal stripe and the second horizontal stripe is 0.1-8mm；First vertical bar, the second vertical bar ..., n-th
The equal length of vertical bar, is (0.1-8/n) mm, the first vertical bar, the second vertical bar ..., the length summation of the n-th vertical bar is less than
The length of one horizontal stripe and the second horizontal stripe；The width of first horizontal stripe and the second horizontal stripe is 0.1-2mm, and the first vertical bar, second are erected
Item ..., the width of the n-th vertical bar be 1-10mm.
Further, connection line include the first horizontal stripe and the first vertical bar, the second vertical bar ..., the n-th vertical bar；First is perpendicular
Item, the second vertical bar ..., the n-th vertical bar be parallel to each other and one end connect with the first horizontal stripe, the first horizontal stripe and flex circuit application company
Connect, the first vertical bar, the second vertical bar ..., the edge of the other end of the n-th vertical bar and visible area connects.
Further, the length of the first horizontal stripe is 0.1-8mm；First vertical bar, the second vertical bar ..., the length of the n-th vertical bar
Spend equal, be (0.1-8/n) mm, the first vertical bar, the second vertical bar ..., the length summation of the n-th vertical bar is less than the first horizontal stripe
Length；The width of first horizontal stripe is 0.1-2mm, the first vertical bar, the second vertical bar ..., the width of the n-th vertical bar be 1-10mm.
Further, 1≤n≤10, n are integer.
The present invention also provides a kind of terminal device, which includes above-mentioned capacitive touch screen.
Capacitive touch screen of the invention prints connection by binding area in conductive layer using silver nanowires as conductive layer
Route realizes the connection of conductive layer and flex circuit application, avoids and generates due to flex circuit application and conductive layer are directly bound
The phenomenon that damaging silver nanowires；It does not need to be etched the conductive silver paste of printing, avoiding generating destructive particle damage can
Vision area silver nanowires or soda acid etch bring problem of environmental pollution.By printing connection line in binding area, can also be achieved
Protection to the silver nanowires from binding area to visual area edge.The connection line of printing simultaneously is convenient to be carried out with flex circuit application
Hot pressing fitting reduces contraposition difficulty when flex circuit application binding, improves the conducting efficiency of flex circuit application.
Detailed description of the invention
Illustrate the embodiment of the present invention or technical solution in the prior art in order to clearer, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it is clear that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the structure sectional view of capacitive touch screen of the invention；
Fig. 2 is the structural front view of the first embodiment of capacitive touch screen of the invention；
Fig. 3 is the portion the A enlarged drawing in Fig. 2；
Fig. 4 is the structural front view of second of embodiment of capacitive touch screen of the invention；
Fig. 5 is the portion the B enlarged drawing in Fig. 4；
Fig. 6 is the connection line structural schematic diagram of the third embodiment of capacitive touch screen of the invention；
Fig. 7 is the connection line structural schematic diagram of the 4th kind of embodiment of capacitive touch screen of the invention；
Fig. 8 is the connection line structural schematic diagram of the 5th kind of embodiment of capacitive touch screen of the invention；
Fig. 9 is the structural front view of the 6th kind of embodiment of capacitive touch screen of the invention；
Figure 10 is the portion the C enlarged drawing in Fig. 9；
Figure 11 is the connection line structural schematic diagram of the 7th kind of embodiment of capacitive touch screen of the invention；
Figure 12 is the connection line structural schematic diagram of the 8th kind of embodiment of capacitive touch screen of the invention；
Figure 13 is the connection line structural schematic diagram of the 9th kind of embodiment of capacitive touch screen of the invention；
Figure 14 is the connection line structural schematic diagram of the tenth kind of embodiment of capacitive touch screen of the invention；
In figure: 1- substrate, 2- conductive layer, 21- visible area, 22- binding area, 3-OCA optical cement, 4- connection line, 5- are scratched
Property wiring board, the first horizontal stripe of 6-, the second horizontal stripe of 7-, the first vertical bar of 8-, the second vertical bar of 9-, 10- third vertical bar.
Specific embodiment
Below in conjunction with the attached drawing in the present invention, technical solution in the embodiment of the present invention carry out it is clear, completely retouch
It states, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on the present invention
In embodiment, those skilled in the art's all other reality obtained without making creative work
Example is applied, protection scope of the present invention is belonged to.
A kind of capacitive touch screen, as shown in Figure 1, including substrate 1 and the silver nanowires conductive layer 2 being coated on substrate 1,
Silver nanowires conductive layer 2 includes visible area 21 and binding area 22, is compounded with OCA optical cement 3 on visible area 21, in which: visible area
21 edge is printed with connection line 4 to binding area 22, by connection line 4 by silver nanowires conductive layer 2 and flex circuit application 5
Connection.
Capacitive touch screen of the invention, using silver nanowires as conductive layer 2, by being coated with solidification silver on 1 surface of substrate
Nano wire electrocondution slurry forms the conductive layer 2 with excellent conductive performance, but since silver nanowires is more fragile, in visible area 21
It is protected by Composite OC A optical cement 3.The silver nanowires conductive layer 2 that area 22 is bound under normal condition is in naked state, easily
It is damaged and influences the performance of entire touch screen；The present invention prints connection line 4 by binding area 22 in conductive layer, on the one hand real
The connection for having showed silver nanowires conductive layer 2 Yu flex circuit application 5 avoids due to flex circuit application 5 is directly bound with conductive layer 2
The phenomenon that damage silver nanowires of generation；On the other hand, it can also be achieved the silver nanowires to binding 22 edge of area to visible area 21
Protection.
In some embodiments of the invention, substrate 1 is any one in PET, COP, TAC, PVC, PI, PE.It is preferred that
, substrate 1 is PET polyethylene terephthalate.
In some embodiments of the invention, connection line 4 is the conductive silver paste being printed on silver nanowires conductive layer 2.
Specifically, in some embodiments of the invention, conductive silver paste is low-temperature bake type conductive silver paste, it is by high performance resin and to lead
The splendid silver powder of electrical property is made, and has excellent printing, electric conductivity, hardness and adhesive force, antioxygenic property excellent
The features such as.By printing conductive silver paste, realization conducting is on the one hand connect with flex circuit application 4；On the other hand, due to OCA optics
3 protective layer of glue is placed only in the visible area 21 of silver nanowires conductive layer 2, and binding area 22 is exposed outside, by printing conductive silver paste
The protection to binding area 22 can be played.The conducting for being realized conductive layer 2 and flex circuit application 5 using conductive silver paste simultaneously, is avoided
The phenomenon that the two is directly bound and generates damage silver nanowires.
The present invention need to only be etched conductive layer visible area 21 using silver nanowires as conductive layer 2, for binding area 22
The conductive silver paste of printing avoids the silver nanoparticle due to generation of particle destructive in etching process to visible area 21 without etching
The phenomenon that line conductive layer damages, while also avoiding soda acid etching bring problem of environmental pollution.Preferably, in the present invention
Some embodiments in, to conductive layer visible area 21 use laser-induced thermal etching.
In some embodiments of the invention, conductive silver paste screen painting, spraying, print or be transferred in silver nanowires conduction
On layer 2.The solidification of conductive silver paste drying or UV curing molding after printing.
In some embodiments of the invention, connection line 4 and flex circuit application 5 pass through anisotropic conductive film, anisotropy
Conducting resinl or silver paste bonding conducting.In some embodiments of the invention, anisotropic conductive film, anisotropic conductive adhesive paste or silver paste are made
It for conducting medium, is covered on flex circuit application 5, then pressing is carried out to connection line 4 and flex circuit application 5 using hot press and is tied up
It is fixed, realize orientation conducting.The present invention prints conductive silver paste by binding area, and conductive silver paste reduces flexibility without being etched
Contraposition difficulty when wiring board 5 and conductive silver paste are bound, facilitates hot pressing to be bonded, and the conducting efficiency of flex circuit application 5 can be improved.
In some embodiments of the invention, the lead-out wire at 2 edge of the conductive layer link of flexible electric circuit board 5 and touch chip
It is connected.The a plurality of sensor circuit obtained on conductive layer visible area 21 by etching is electrically connected by lead-out wire with flexible electric circuit board 5,
By printing conductive silver paste, increases the contact point of lead-out wire and sensor circuit, reduce breaking probability, while to the silver in binding area 22
Nano wire plays a good protective effect, and then improves the yield of product.
In the prior art, mostly in one circle conductive silver paste of conductive layer frame printing, Lai Shixian cabling, but which can only be single
Layer cabling, and for large scale touch screen since usual port number is more, it cannot achieve narrow frame design.Capacitive touch of the invention
The cabling for touching screen is realized by flexible electric circuit board FPC, and non-printing conductive silver paste is realized, therefore can be real by multiple-plate form
The ultra-narrow frame of existing touch screen.
Specifically, it is silver nano-grain conductive paste that the technical solution of capacitive touch screen of the invention, which applies also for conductive layer,
Material, copper nano-wire electrocondution slurry, copper nano particles electrocondution slurry, nanowires of gold electrocondution slurry, gold nano grain electrocondution slurry, nickel
Conductive layer made of any one or a few mixing coating solidification in nano wire electrocondution slurry, nano nickel particles electrocondution slurry.
Specifically, the pattern of connection line 4 can be diversified forms, the present invention is not specifically limited, visual not influence
Area's appearance and conveniently bind principle selection.
Specifically, in some embodiments of the invention, connection line 4 includes the first horizontal stripe 6, the second horizontal stripe 7 and first
Vertical bar, the second vertical bar ..., the n-th vertical bar；First vertical bar, the second vertical bar ..., the n-th vertical bar is parallel to each other and is located at first
Between horizontal stripe 6 and the second horizontal stripe 7, it is connect with the first horizontal stripe 6 and the second horizontal stripe 7；First horizontal stripe 6 is connect with flex circuit application 5,
Second horizontal stripe 7 is connect with the edge of visible area 21.
More specifically, the length S1 of the first horizontal stripe 6 and the second horizontal stripe 7 is 0.1-8mm；First vertical bar 8, the second vertical bar
9 ..., the length S2 of the n-th vertical bar is equal, be (0.1-8/n) mm, the first vertical bar 8, the second vertical bar 9 ..., the n-th vertical bar
For length summation less than the length of the first horizontal stripe 6 and the second horizontal stripe 7,1≤n≤10, n are integer；The width h1 of first horizontal stripe 6 and
The width h2 of second horizontal stripe 7 is 0.1-2mm, the first vertical bar 8, the second vertical bar 9 ..., the width d of the n-th vertical bar be 1-10mm.
As shown in Figures 2 and 3, as the first embodiment of the invention, connection line 4 is dies, connection
Route 4 includes the first horizontal stripe 6, the second horizontal stripe 7 and the first vertical bar 8, and the first vertical bar 8 connects the first horizontal stripe 6 and the second horizontal stripe 7, the
One horizontal stripe 6 is connect with flex circuit application 5, and the second horizontal stripe 7 is connect with the edge of visible area 21.
More specifically, the length S1 of the first horizontal stripe 6 and the second horizontal stripe 7 is 0.1-8mm, and the length S2 of the first vertical bar 8 is
The length S1 of 0.1-8mm, the first horizontal stripe 6 and the second horizontal stripe 7 is greater than the length S2 of the first vertical bar 8；The width h1 of first horizontal stripe 6
Width h2 with the second horizontal stripe 7 is 0.1-2mm, and the width d of the first vertical bar 8 is 1-10mm.In the first embodiment of the invention
In, as shown in figure 3, the length S1 of the first horizontal stripe 6 and the second horizontal stripe 7 is 5mm, the length S2 of the first vertical bar 8 is 1.5mm；First
The width h1 of horizontal stripe 6 is 2mm, and the width h2 of the second horizontal stripe 7 is 1.5mm, and the width d of the first vertical bar 8 is 3mm.
As shown in Figure 4 and Figure 5, as second of embodiment of the invention, adapter path is class " III " font structure, connection
Route includes the first horizontal stripe 6, the second horizontal stripe 7 and the first vertical bar 8, the second vertical bar 9 and third vertical bar 10；First vertical bar 8, second is perpendicular
Item 9, third vertical bar 10 are parallel to each other and between the first horizontal stripe 6 and the second horizontal stripes 7, with the first horizontal stripe 6 and the second horizontal stripe 7
Connection；First horizontal stripe 6 is connect with flex circuit application 5, and the second horizontal stripe 7 is connect with the edge of visible area 21.
As shown in figure 5, in second of embodiment of the present invention, the length S1 of the first horizontal stripe 6 and the second horizontal stripe 7 is 8mm；
First vertical bar 8, the second vertical bar 9, the length S2 of third vertical bar 10 are equal, are 2mm；The width h1 of first horizontal stripe 6 is 2mm, the
The width h2 of two horizontal stripes 7 be 2mm, the first vertical bar 8, the second vertical bar 9, third vertical bar 10 width d be 3mm.
As shown in fig. 6, as the third embodiment of the invention, connection line includes the first horizontal stripe, the second horizontal stripe and the
One vertical bar, the second vertical bar, third vertical bar, the 4th vertical bar and the 5th vertical bar；First vertical bar, the second vertical bar, third vertical bar, the 4th erect
Article and the 5th vertical bar be parallel to each other and be located between the first horizontal stripe and the second horizontal stripe, connect with the first horizontal stripe and the second horizontal stripe；The
One horizontal stripe is connect with flex circuit application, the edge connection of the second horizontal stripe and visible area.Wherein, the length of the first horizontal stripe and the second horizontal stripe
Degree is 6mm；The equal length of first vertical bar, the second vertical bar, third vertical bar, the 4th vertical bar, the 5th vertical bar is 1mm；First is horizontal
The width of item is 1.8mm, and the width of the second horizontal stripe is 1.2mm, the first vertical bar, the second vertical bar, third vertical bar, the 4th vertical bar, the
The width of five vertical bars is 5mm.
As shown in fig. 7, as the 4th kind of embodiment of the invention, connection line includes the first horizontal stripe, the second horizontal stripe and the
One vertical bar, the second vertical bar, third vertical bar, the 4th vertical bar, the 5th vertical bar, the 6th vertical bar and the 7th vertical bar；First vertical bar, second are erected
Article, third vertical bar, the 4th vertical bar, the 5th vertical bar, the 6th vertical bar and the 7th vertical bar be parallel to each other and be located at the first horizontal stripe and second
Between horizontal stripe, it is connect with the first horizontal stripe and the second horizontal stripe；First horizontal stripe is connect with flex circuit application, the second horizontal stripe and visible area
Edge connection.Wherein, the length of the first horizontal stripe and the second horizontal stripe is 7mm；First vertical bar, the second vertical bar, third vertical bar, the 4th erect
Article, the equal length of the 5th vertical bar, the 6th vertical bar and the 7th vertical bar, be 0.8mm；The width of first horizontal stripe be 0.9mm, second
The width of horizontal stripe is 0.8mm, the first vertical bar, the second vertical bar, third vertical bar, the 4th vertical bar, the 5th vertical bar, the 6th vertical bar and the 7th
The width of vertical bar is 6mm.
As shown in figure 8, as the 5th kind of embodiment of the invention, connection line includes the first horizontal stripe, the second horizontal stripe and the
One vertical bar, the second vertical bar, third vertical bar, the 4th vertical bar, the 5th vertical bar, the 6th vertical bar, the 7th vertical bar, the 8th vertical bar, the 9th erect
Article and the tenth vertical bar；First vertical bar, the second vertical bar, third vertical bar, the 4th vertical bar, the 5th vertical bar, the 6th vertical bar, the 7th vertical bar,
8th vertical bar, the 9th vertical bar and the tenth vertical bar are parallel to each other and are located between the first horizontal stripe and the second horizontal stripe, with the first horizontal stripe and
The connection of second horizontal stripe；First horizontal stripe is connect with flex circuit application, the edge connection of the second horizontal stripe and visible area.Wherein, first is horizontal
The length of item and the second horizontal stripe is 4mm；First vertical bar, the second vertical bar, third vertical bar, the 4th vertical bar, the 5th vertical bar, the 6th erect
Article, the equal length of the 7th vertical bar, the 8th vertical bar, the 9th vertical bar and the tenth vertical bar, be 0.2mm；The width of first horizontal stripe is
0.4mm, the width of the second horizontal stripe are 0.4mm, the first vertical bar, the second vertical bar, third vertical bar, the 4th vertical bar, the 5th vertical bar, the 6th
Vertical bar, the 7th vertical bar, the 8th vertical bar, the 9th vertical bar and the tenth vertical bar width be 3mm.
Specifically, in some embodiments of the invention, connection line 4 includes the first horizontal stripe 6 and the first vertical bar 8, second
Vertical bar 9 ..., the n-th vertical bar；First vertical bar 8, the second vertical bar 9 ..., the n-th vertical bar is parallel to each other and one end and the first horizontal stripe 6
Connection, the first horizontal stripe 6 connect with flex circuit application 5, the first vertical bar 8, the second vertical bar 9 ..., the other end of the n-th vertical bar and can
The edge of vision area 21 connects.As shown in Fig. 9 and Figure 10, as the 6th kind of embodiment of the invention, adapter path is similar to
" mountain " font structure, connection line include the first horizontal stripe 6 and the first vertical bar 8, the second vertical bar 9, third vertical bar 10；First vertical bar 8,
Second vertical bar 9, third vertical bar 10 are parallel to each other and one end is connect with the first horizontal stripe 6, and the first horizontal stripe 6 is connect with flex circuit application 5,
First vertical bar 8, the second vertical bar 9, third vertical bar 10 the other end connect with the edge of visible area 21.
More specifically, the length S1 of the first horizontal stripe 6 is 0.1-8mm；First vertical bar 8, the second vertical bar 9 ..., the n-th vertical bar
Length S2 it is equal, be (0.1-8/n) mm, the first vertical bar 8, the second vertical bar 9 ..., the length summation of the n-th vertical bar is less than
The length of one horizontal stripe 6,1≤n≤10, n are integer；The width h of first horizontal stripe 6 is 0.1-2mm, the first vertical bar 8, the second vertical bar
9 ..., the width d of the n-th vertical bar is 1-10mm.As shown in Figure 10, as the 6th kind of embodiment of the invention, the first horizontal stripe 6
Length S1 is 3mm；First vertical bar 8, the second vertical bar 9, the length S2 of third vertical bar 10 are equal, are 0.5mm；First horizontal stripe 6
Width h be 1.2mm, the first vertical bar 8, the second vertical bar 9, third vertical bar 10 width d be 2mm.
As shown in figure 11, as the 7th kind of embodiment of the invention, adapter path includes the first horizontal stripe and the first vertical bar, the
One vertical bar one end is connect with the first horizontal stripe, and the first horizontal stripe is connect with flex circuit application, the other end of the first vertical bar and visible area
Edge connection.Wherein, the length of the first horizontal stripe is 8mm, and the length of the first vertical bar is 2mm；The width of first horizontal stripe is 1.8mm,
The width of first vertical bar is 10mm.
As shown in figure 12, as the 8th kind of embodiment of the invention, connection line includes the first horizontal stripe and the first vertical bar, the
Two vertical bars, third vertical bar, the 4th vertical bar and the 5th vertical bar；First vertical bar, the second vertical bar, third vertical bar, the 4th vertical bar and the 5th
Vertical bar be parallel to each other and one end connect with the first horizontal stripe, the first horizontal stripe is connect with flex circuit application, the first vertical bar, the second vertical bar,
The edge of third vertical bar, the other end of the 4th vertical bar and the 5th vertical bar and visible area connects.Wherein, the length of the first horizontal stripe is
1mm；The equal length of first vertical bar, the second vertical bar, third vertical bar, the 4th vertical bar, the 5th vertical bar is 0.1mm；First horizontal stripe
Width be 0.2mm, the first vertical bar, the second vertical bar, third vertical bar, the 4th vertical bar, the 5th vertical bar width be 1mm.
As shown in figure 13, as the 9th kind of embodiment of the invention, connection line includes the first horizontal stripe and the first vertical bar, the
Two vertical bars, third vertical bar, the 4th vertical bar, the 5th vertical bar, the 6th vertical bar and the 7th vertical bar；First vertical bar, the second vertical bar, third are perpendicular
Article, the 4th vertical bar, the 5th vertical bar, the 6th vertical bar and the 7th vertical bar are parallel to each other and one end is connect with the first horizontal stripe, the first horizontal stripe
It is connect with flex circuit application, the first vertical bar, the second vertical bar, third vertical bar, the 4th vertical bar, the 5th vertical bar, the 6th vertical bar and the 7th
The other end of vertical bar and the edge of visible area connect.Wherein, the length of the first horizontal stripe is 7mm；First vertical bar, the second vertical bar,
The equal length of three vertical bars, the 4th vertical bar, the 5th vertical bar, the 6th vertical bar and the 7th vertical bar is 0.8mm；The width of first horizontal stripe
Degree be 0.9mm, the first vertical bar, the second vertical bar, third vertical bar, the 4th vertical bar, the 5th vertical bar, the 6th vertical bar and the 7th vertical bar width
Degree is 6mm.
As shown in figure 14, as the tenth kind of embodiment of the invention, connection line includes the first horizontal stripe and the first vertical bar, the
Two vertical bars, third vertical bar, the 4th vertical bar, the 5th vertical bar, the 6th vertical bar, the 7th vertical bar, the 8th vertical bar, the 9th vertical bar and the tenth are perpendicular
Item；First vertical bar, the second vertical bar, third vertical bar, the 4th vertical bar, the 5th vertical bar, the 6th vertical bar, the 7th vertical bar, the 8th vertical bar,
Nine vertical bars and the tenth vertical bar are parallel to each other and one end is connect with the first horizontal stripe, and the first horizontal stripe is connect with flex circuit application, and first is perpendicular
Article, the second vertical bar, third vertical bar, the 4th vertical bar, the 5th vertical bar, the 6th vertical bar, the 7th vertical bar, the 8th vertical bar, the 9th vertical bar and
The other end of tenth vertical bar and the edge of visible area connect.Wherein, the length of the first horizontal stripe is 4mm；First vertical bar, second are erected
Article, third vertical bar, the 4th vertical bar, the 5th vertical bar, the 6th vertical bar, the 7th vertical bar, the 8th vertical bar, the 9th vertical bar and the tenth vertical bar
Equal length is 0.2mm；The width of first horizontal stripe be 0.4mm, the first vertical bar, the second vertical bar, third vertical bar, the 4th vertical bar,
5th vertical bar, the 6th vertical bar, the 7th vertical bar, the 8th vertical bar, the 9th vertical bar and the tenth vertical bar width be 3mm.
The present invention realizes the orientation of conductive layer and flex circuit application by the conductive silver paste of printing different shape or size
Conducting, while the dosage of conductive silver paste is saved, reduce the preparation cost of touch screen；And it realizes to binding area's silver nanowires
Protection.Preferably, connection line is " I " fonts, " III " font or the shape of " mountain " font, i.e. n are 1 or 3, at this time both
It can achieve the effect that conducting and protection, and the maximum save the cost of energy, and printing technology is simpler, simplify preparation work
Skill.
Capacitive touch screen of the invention prints conduction by binding area in conductive layer using silver nanowires as conductive layer
Silver paste realizes the connection of conductive layer and flex circuit application, avoids and generates due to flex circuit application and conductive layer are directly bound
The phenomenon that damaging silver nanowires；It does not need to be etched the silver paste of printing, avoids generating destructive particle or soda acid erosion
Carve bring problem of environmental pollution.By printing conductive silver paste, can also be achieved to the silver nanowires from binding area to visible area
Protection.It can also facilitate simultaneously and be bonded with flex circuit application progress hot pressing, reduce contraposition difficulty when flex circuit application binding, mention
The high conducting efficiency of flex circuit application.
The present invention also provides a kind of terminal device, which includes above-mentioned capacitive touch screen.Specifically, the terminal
Equipment is mobile phone, computer, TV etc., the in particular terminal devices such as large size TV, instruments used for education.
The present invention is further described by specific embodiment above, it should be understood that, here specifically
Description, should not be construed as the restriction for the essence of the present invention with range, and one of ordinary skilled in the art is reading this explanation
The various modifications made after book to above-described embodiment belong to the range that the present invention is protected.
Claims (10)
1. a kind of capacitive touch screen, which is characterized in that the silver nanowires conductive layer including substrate with coating on the substrate,
The silver nanowires conductive layer includes visible area and binding area, is compounded with OCA optical cement on the visible area, in which: it is described can
The inward flange of vision area is printed with connection line to binding area, by the connection line by the silver nanowires conductive layer and flexible
Wiring board connection.
2. capacitive touch screen according to claim 1, which is characterized in that the connection line is to be printed on silver nanowires
Conductive silver paste on conductive layer.
3. capacitive touch screen according to claim 2, which is characterized in that the conductive silver paste screen painting, is beaten at spraying
It prints or is transferred on the silver nanowires conductive layer.
4. capacitive touch screen according to claim 1, which is characterized in that the connection line and flex circuit application pass through
Anisotropic conductive film, anisotropic conductive adhesive paste or silver paste bonding conducting.
5. capacitive touch screen according to claim 1, which is characterized in that the connection line includes the first horizontal stripe, the
Two horizontal stripes and the first vertical bar, the second vertical bar ..., the n-th vertical bar；First vertical bar, the second vertical bar ..., the n-th vertical bar it is mutual
In parallel and between first horizontal stripe and the second horizontal stripe, it is connect with first horizontal stripe and the second horizontal stripe；Described first is horizontal
Item is connect with the flex circuit application, and second horizontal stripe is connect with the edge of the visible area.
6. capacitive touch screen according to claim 5, which is characterized in that the length of first horizontal stripe and the second horizontal stripe
For 0.1-8mm；First vertical bar, the second vertical bar ..., the equal length of the n-th vertical bar, be (0.1-8/n) mm, described
One vertical bar, the second vertical bar ..., the length summation of the n-th vertical bar be less than the length of first horizontal stripe and second horizontal stripe；Institute
The width for stating the first horizontal stripe and the second horizontal stripe is 0.1-2mm, first vertical bar, the second vertical bar ..., the width of the n-th vertical bar
For 1-10mm.
7. capacitive touch screen according to claim 1, which is characterized in that the connection line includes the first horizontal stripe and the
One vertical bar, the second vertical bar ..., the n-th vertical bar；First vertical bar, the second vertical bar ..., the n-th vertical bar is parallel to each other and one end
It is connect with first horizontal stripe, first horizontal stripe is connect with the flex circuit application, and first vertical bar, second are erected
Item ..., the other end of the n-th vertical bar connect with the edge of the visible area.
8. capacitive touch screen according to claim 7, which is characterized in that the length of first horizontal stripe is 0.1-8mm；
First vertical bar, the second vertical bar ..., the equal length of the n-th vertical bar, be (0.1-8/n) mm, first vertical bar,
Two vertical bars ..., the length summation of the n-th vertical bar be less than the length of first horizontal stripe；The width of first horizontal stripe is 0.1-
2mm, first vertical bar, the second vertical bar ..., the width of the n-th vertical bar be 1-10mm.
9. the capacitive touch screen according to any one of claim 5-8, which is characterized in that 1≤n≤10, n are integer.
10. a kind of terminal device, which is characterized in that including capacitive touch screen of any of claims 1-9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910037111.2A CN109683752A (en) | 2019-01-15 | 2019-01-15 | A kind of capacitive touch screen and terminal device |
| PCT/CN2019/072968 WO2020147144A1 (en) | 2019-01-15 | 2019-01-24 | Capacitive touch screen and terminal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910037111.2A CN109683752A (en) | 2019-01-15 | 2019-01-15 | A kind of capacitive touch screen and terminal device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109683752A true CN109683752A (en) | 2019-04-26 |
Family
ID=66192343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910037111.2A Pending CN109683752A (en) | 2019-01-15 | 2019-01-15 | A kind of capacitive touch screen and terminal device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109683752A (en) |
| WO (1) | WO2020147144A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110347288A (en) * | 2019-06-28 | 2019-10-18 | 江苏华科创智技术有限公司 | A kind of special edge Wiring structure |
| CN111338511A (en) * | 2020-02-28 | 2020-06-26 | 昆山国显光电有限公司 | Display panel, display device and preparation method of display panel |
| CN114455857A (en) * | 2022-02-23 | 2022-05-10 | 江苏铁锚玻璃股份有限公司 | Transparent conductive glass and method for reducing surface resistance thereof |
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Also Published As
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| WO2020147144A1 (en) | 2020-07-23 |
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