CN209543318U - A kind of capacitance touch screen and terminal device - Google Patents
A kind of capacitance touch screen and terminal device Download PDFInfo
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- CN209543318U CN209543318U CN201920063466.4U CN201920063466U CN209543318U CN 209543318 U CN209543318 U CN 209543318U CN 201920063466 U CN201920063466 U CN 201920063466U CN 209543318 U CN209543318 U CN 209543318U
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Abstract
The utility model relates to touch screen field more particularly to a kind of capacitance touch screens and terminal device.The capacitance touch screen of the utility model 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 utility model 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 utility model relates to touch screen field more particularly to a kind of capacitance 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.
Utility model content
Against the above technical problems, the utility model provides a kind of capacitance touch screen, by tying up in silver nanowires conductive layer
Determine area and print a connection line, realizes the connection of conductive layer and flex circuit application, avoid being directly bound；It is not required to connect printing
Route is etched, and may also function as the protective effect to binding area's silver nanowires.
The utility model uses following technical scheme:
A kind of capacitance touch screen, including substrate and coating silver nanowires conductive layer on base material, silver nanowires conductive layer
Including visible area and binding area, OCA optical cement is compounded on visible area, in which: the edge of visible area is printed with company to binding area
Silver nanowires conductive layer is connect by link 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 utility model also provides a kind of terminal device, which includes above-mentioned capacitance touch screen.
The capacitance touch screen of the utility model prints company by binding area in conductive layer using silver nanowires as conductive layer
Link realizes the connection of conductive layer and flex circuit application, avoids and generate because flex circuit application is directly bound with conductive layer
Damage silver nanowires the phenomenon that；It does not need to be etched the conductive silver paste of printing, avoids generating destructive particle damage
Visible area silver nanowires or soda acid etch bring problem of environmental pollution.It, can also be real by printing connection line in binding area
Now to the protection of the silver nanowires from binding area to visual area edge.The connection line of printing is convenient simultaneously and flex circuit application into
Row 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 utility model embodiment or technical solution in the prior art in order to clearer, it below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it is clear that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the structure sectional view of the capacitance touch screen of the utility model；
Fig. 2 is the structural front view of the first embodiment of the capacitance touch screen of the utility model；
Fig. 3 is the portion the A enlarged drawing in Fig. 2；
Fig. 4 is the structural front view of second of embodiment of the capacitance touch screen of the utility model；
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 the capacitance touch screen of the utility model；
Fig. 7 is the connection line structural schematic diagram of the 4th kind of embodiment of the capacitance touch screen of the utility model；
Fig. 8 is the connection line structural schematic diagram of the 5th kind of embodiment of the capacitance touch screen of the utility model；
Fig. 9 is the structural front view of the 6th kind of embodiment of the capacitance touch screen of the utility model；
Figure 10 is the portion the C enlarged drawing in Fig. 6；
Figure 11 is the connection line structural schematic diagram of the 7th kind of embodiment of the capacitance touch screen of the utility model；
Figure 12 is the connection line structural schematic diagram of the 8th kind of embodiment of the capacitance touch screen of the utility model；
Figure 13 is the connection line structural schematic diagram of the 9th kind of embodiment of the capacitance touch screen of the utility model；
Figure 14 is the connection line structural schematic diagram of the tenth kind of embodiment of the capacitance touch screen of the utility model；
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 utility model, to the technical scheme in the embodiment of the utility model carry out it is clear,
Complete description, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole implementation
Example.Based on the embodiments of the present invention, those skilled in the art is without making creative work
All other embodiment obtained, belongs to the protection scope of the utility model.
A kind of capacitance touch screen, as shown in Figure 1, including substrate 1 and the silver nanowires conductive layer 2 being coated on substrate 1, silver
Nano wire 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 to binding area 22 be printed with connection line 4, silver nanowires conductive layer 2 and flex circuit application 5 are connected by connection line 4
It connects.
The capacitance touch screen of the utility model is solidified using silver nanowires as conductive layer 2 by being coated on 1 surface of substrate
Silver nanowires electrocondution slurry forms the conductive layer 2 with excellent conductive performance, but since silver nanowires is more fragile, in visible area
21 are protected by Composite OC A optical cement 3.The silver nanowires conductive layer 2 that area 22 is bound under normal condition is in exposed shape
State is easily damaged and influences the performance of entire touch screen；The utility model prints connection line by binding area 22 in conductive layer
4, the connection of silver nanowires conductive layer 2 Yu flex circuit application 5 is on the one hand realized, is avoided because of flex circuit application 5 and conductive layer
2 be directly bound and generate damage silver nanowires the phenomenon that；On the other hand, it can also be achieved to binding 22 edge of area to visible area 21
Silver nanowires protection.
In some embodiments of the utility model, substrate 1 is any one in PET, COP, TAC, PVC, PI, PE.
Preferably, substrate 1 is PET polyethylene terephthalate.
In some embodiments of the utility model, connection line 4 is the conductive silver being printed on silver nanowires conductive layer 2
Slurry.Specifically, it is by high-performance that conductive silver paste, which is low-temperature bake type conductive silver paste, in some embodiments of the utility model
Resin and the splendid silver powder of electric conductivity are made, and have excellent printing, electric conductivity, hardness and adhesive force, anti-oxidant
The features such as haveing excellent performance.By printing conductive silver paste, realization conducting is on the one hand connect with flex circuit application 4；On the other hand, due to
3 protective layer of OCA optical cement is placed only in the visible area 21 of silver nanowires conductive layer 2, and binding area 22 is exposed outside, is led by printing
Electric silver paste can play the protection to binding area 22.The conducting of conductive layer 2 and flex circuit application 5 is realized using conductive silver paste simultaneously,
Avoid the phenomenon that the two is directly bound and generates damage silver nanowires.
The utility model need to only be etched conductive layer visible area 21 using silver nanowires as conductive layer 2, for binding
The conductive silver paste that printed by area 22 avoids the silver due to generation of particle destructive in etching process to visible area 21 without etching
The phenomenon that nano wire conductive layer damages, while also avoiding soda acid etching bring problem of environmental pollution.Preferably, at this
In some embodiments of utility model, laser-induced thermal etching is used to conductive layer visible area 21.
In some embodiments of the utility model, conductive silver paste screen painting, prints or is transferred in silver nanowires at spraying
On conductive layer 2.The solidification of conductive silver paste drying or UV curing molding after printing.
In some embodiments of the utility model, connection line 4 and flex circuit application 5 pass through anisotropic conductive film, different
Side's property conducting resinl or silver paste bonding conducting.In some embodiments of the utility model, anisotropic conductive film, anisotropic conductive adhesive paste
Or silver paste is covered on flex circuit application 5 as conducting medium, then using hot press to connection line 4 and flex circuit application 5 into
Row pressing binding, realizes orientation conducting.The utility model prints conductive silver paste by binding area, and conductive silver paste is without being lost
It carves, reduces contraposition difficulty when flex circuit application 5 and conductive silver paste binding, facilitate hot pressing to be bonded, and flexibility circuit can be improved
The conducting efficiency of plate 5.
In some embodiments of the utility model, the lead-out wire at 2 edge of conductive layer is linked with flexible electric circuit board 5 and touch-control
Chip is connected.5 electricity of lead-out wire and flexible electric circuit board is passed through by a plurality of sensor circuit that etching obtains on conductive layer visible area 21
Connection increases the contact point of lead-out wire and sensor circuit, reduces breaking probability, while to binding area by printing conductive silver paste
22 silver nanowires 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.The capacitor of the utility model
The cabling of touch screen is realized by flexible electric circuit board FPC, and non-printing conductive silver paste is realized, therefore can pass through multiple-plate form
Realize the ultra-narrow frame of touch screen.
Specifically, it is that silver nano-grain is conductive that the technical solution of the capacitance touch screen of the utility model, which applies also for conductive layer,
Slurry, copper nano-wire electrocondution slurry, copper nano particles electrocondution slurry, nanowires of gold electrocondution slurry, gold nano grain electrocondution slurry,
Conductive layer made of any one or a few mixing coating solidification in nickel nano wire electrocondution slurry, nano nickel particles electrocondution slurry.
Specifically, the pattern of connection line 4 can be diversified forms, the utility model is not specifically limited, not influence
Visible area appearance and conveniently bind principle selection.
Specifically, connection line 4 includes the first horizontal stripe 6,7 and of the second horizontal stripe in some embodiments of the utility model
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
Between one 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 utility model, connection line 4 is dies,
Connection line 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 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.
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 reality of the utility model
It applies in example, 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；
The width h1 of first 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 utility model, adapter path is class " III " font structure,
Connection line 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,
Two vertical bars 9, third vertical bar 10 are parallel to each other and between the first horizontal stripe 6 and the second horizontal stripes 7, horizontal with the first horizontal stripe 6 and second
Item 7 connects；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 utility model, the length S1 of the first horizontal stripe 6 and the second horizontal stripe 7
For 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 width h2 of the second horizontal stripe 7 are 2mm, the first vertical bar 8, the second vertical bar 9, third vertical bar 10 width d be 3mm.
As shown in fig. 6, the third embodiment as the utility model, connection line includes the first horizontal stripe, the second horizontal stripe
With the first 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,
Four vertical bars and the 5th vertical bar are parallel to each other and are located between the first horizontal stripe and the second horizontal stripe, connect with the first horizontal stripe and the second horizontal stripe
It connects；First horizontal stripe is connect with flex circuit application, the edge connection of the second horizontal stripe and visible area.Wherein, the first horizontal stripe and the second cross
The length of item 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；
The width of first horizontal stripe is 1.8mm, and the width of the second horizontal stripe is 1.2mm, and the first vertical bar, the second vertical bar, third vertical bar, the 4th erect
Article, the width of the 5th vertical bar be 5mm.
As shown in fig. 7, the 4th kind of embodiment as the utility model, connection line includes the first horizontal stripe, the second horizontal stripe
With 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；First vertical bar,
Two vertical bars, 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
Between second 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 visual
The edge in area connects.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 equal length of four vertical bars, the 5th vertical bar, the 6th vertical bar and the 7th vertical bar is 0.8mm；The width of first horizontal stripe is
0.9mm, the width of the second horizontal stripe are 0.8mm, the first vertical bar, the second vertical bar, third vertical bar, the 4th vertical bar, the 5th vertical bar, the 6th
The width of vertical bar and the 7th vertical bar is 6mm.
As shown in figure 8, the 5th kind of embodiment as the utility model, connection line includes the first horizontal stripe, the second horizontal stripe
With 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,
Nine vertical bars 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 erect
Article, the 8th vertical bar, the 9th vertical bar and the tenth vertical bar be parallel to each other and be located between the first horizontal stripe and the second horizontal stripe, with the first horizontal stripe
It is connected with the 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
The length of horizontal stripe 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 utility model, connection line 4 include 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 first
Horizontal stripe 6 connects, and 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
It is connect with the edge of visible area 21.As shown in Figure 9 and Figure 10, as the 6th kind of embodiment of the utility model, adapter path is
Similar " 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, the second vertical bar 9, third vertical bar 10 are parallel to each other and one end is connect with the first horizontal stripe 6, the first horizontal stripe 6 and flex circuit application
5 connection, the 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, horizontal as the 6th kind of embodiment of the utility model, first
The length S1 of item 6 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 is horizontal
The width h of item 6 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 utility model, adapter path includes that the first horizontal stripe and first are perpendicular
Item, first vertical bar one end are 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 visual
The edge in area connects.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 the first vertical bar are 10mm.
As shown in figure 12, as the 8th kind of embodiment of the utility model, connection line includes that the first horizontal stripe and first are perpendicular
Article, 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 vertical bar and
5th vertical bar is 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 the first vertical bar, second are erected
Article, the edge of the other end of third vertical bar, the 4th vertical bar and the 5th vertical bar and visible area connects.Wherein, the length of the first horizontal stripe
For 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 is horizontal
The width of item 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 utility model, connection line includes that the first horizontal stripe and first are perpendicular
Article, 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, the second vertical bar,
Third vertical bar, 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
One horizontal stripe 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
It is connected with the edge of the other end of the 7th vertical bar and visible area.Wherein, the length of the first horizontal stripe is 7mm；First vertical bar, second are erected
Article, the equal length of third vertical bar, the 4th vertical bar, the 5th vertical bar, the 6th vertical bar and the 7th vertical bar, be 0.8mm；First horizontal stripe
Width 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 be 6mm.
As shown in figure 14, as the tenth kind of embodiment of the utility model, connection line includes that the first horizontal stripe and first are 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
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, the 8th
Vertical bar, the 9th vertical bar 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,
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
The edge of the other end and visible area of vertical bar and the tenth vertical bar connects.Wherein, the length of the first horizontal stripe is 4mm；First vertical bar,
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
The equal length of item is 0.2mm；The width of first horizontal stripe is 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.
The utility model realizes conductive layer and flex circuit application by the conductive silver paste of printing different shape or size
Orientation conducting, while the dosage of conductive silver paste is saved, reduce the preparation cost of touch screen；And it realizes to binding Qu Yinna
The protection of rice noodles.Preferably, connection line is " I " fonts, " III " font or the shape of " mountain " font, i.e. n are 1 or 3, this
Shi Jineng achievees the effect that conducting and protection, and the maximum save the cost of energy, and printing technology is simpler, simplifies preparation
Technique.
The capacitance touch screen of the utility model is led using silver nanowires as conductive layer by printing in conductive layer binding area
Electric silver paste realizes the connection of conductive layer and flex circuit application, avoids and generate because flex circuit application is directly bound with conductive layer
Damage silver nanowires the phenomenon that；It does not need to be etched the silver paste of printing, avoids generating destructive particle or soda acid
Etch 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,
Improve the conducting efficiency of flex circuit application.
The utility model also provides a kind of terminal device, which includes above-mentioned capacitance touch screen.Specifically, the end
End equipment is mobile phone, computer, TV etc., the in particular terminal devices such as large size TV, instruments used for education.
The utility model is further described by specific embodiment above, it should be understood that, have here
The description of body, should not be construed as the restriction to the spirit and scope of the utility model, and one of ordinary skilled in the art is readding
The various modifications made after reader specification to above-described embodiment belong to the range that the utility model is protected.
Claims (10)
1. a kind of capacitance touch screen, which is characterized in that including the silver nanowires conductive layer of substrate and coating on the substrate, institute
Stating silver nanowires conductive layer includes visible area and binding area, is compounded with OCA optical cement on the visible area, in which: described visual
The inward flange in area is printed with connection line to binding area, by the connection line by the silver nanowires conductive layer and flexible wire
The connection of road plate.
2. capacitance touch screen according to claim 1, which is characterized in that the connection line is to be printed on silver nanowires to lead
Conductive silver paste in electric layer.
3. capacitance touch screen according to claim 2, which is characterized in that the conductive silver paste screen painting, spraying, printing
Or it is transferred on the silver nanowires conductive layer.
4. capacitance touch screen according to claim 1, which is characterized in that the connection line and flex circuit application pass through different
Side's property conductive film, anisotropic conductive adhesive paste or silver paste bonding conducting.
5. capacitance touch screen according to claim 1, which is characterized in that the connection line includes the first horizontal stripe, second
Horizontal stripe 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 mutually flat
It goes and is located between first horizontal stripe and the second horizontal stripe, connect with first horizontal stripe and the second horizontal stripe；First horizontal stripe
It is connect with the flex circuit application, second horizontal stripe is connect with the edge of the visible area.
6. capacitance touch screen according to claim 5, which is characterized in that the length of first horizontal stripe and the second 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, described first
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；It is described
The width of 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 be
1-10mm。
7. capacitance touch screen according to claim 1, which is characterized in that the connection line includes the first horizontal stripe 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 be parallel to each other and one end with
First horizontal stripe connection, first horizontal stripe are connect with the flex circuit application, first vertical bar, the second vertical bar ...,
The other end of n-th vertical bar is connect with the edge of the visible area.
8. capacitance touch screen according to claim 7, which is characterized in that the length of first horizontal stripe is 0.1-8mm；Institute
State the 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, second
Vertical bar ..., 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 capacitance 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 capacitance touch screen of any of claims 1-9.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109683752A (en) * | 2019-01-15 | 2019-04-26 | 深圳市华科创智技术有限公司 | A kind of capacitive touch screen and terminal device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109683752A (en) * | 2019-01-15 | 2019-04-26 | 深圳市华科创智技术有限公司 | A kind of capacitive touch screen and terminal device |
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