CN204155256U - A kind of capacitance type touch-control panel - Google Patents
A kind of capacitance type touch-control panel Download PDFInfo
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- CN204155256U CN204155256U CN201420534242.4U CN201420534242U CN204155256U CN 204155256 U CN204155256 U CN 204155256U CN 201420534242 U CN201420534242 U CN 201420534242U CN 204155256 U CN204155256 U CN 204155256U
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Abstract
The utility model relates to a kind of capacitance type touch-control panel, comprise a substrate and a nano-silver thread electrode layer, nano-silver thread electrode layer is arranged on substrate one on the surface, described nano-silver thread electrode layer comprises the first electrode array, the first wire-connecting and second electrode array along second direction arrangement of arranging along first direction, first electrode array comprises multiple first nano-silver thread conductive unit, and the second electrode array comprises multiple second nano-silver thread conductive unit; Substrate is provided with the perforation of through upper and lower surface in corresponding each second nano-silver thread conductive unit region, corresponding two perforation of each second nano-silver thread conductive unit; First nano-silver thread conductive unit is connected by the first wire-connecting, and the second nano-silver thread conductive unit is conducted by the conductive material in perforation and bridging line, and described bridging line is arranged at the one side that substrate differs from nano-silver thread electrode layer.The utility model has low resistance, the simple advantage of technique.
Description
[technical field]
The utility model relates to touch-control field, particularly relates to a kind of capacitance type touch-control panel.
[background technology]
Contact panel technology has become the input equipment of the easiest current man-machine communication.In view of touch-screen have easy, reaction velocity fast, save space, be easy to many advantages such as interchange, touch panel technologies is more and more wide in the range of application of China, it is not only widely used in the electronic installation carried with, as smart mobile phone, panel computer or notebook computer, also be widely used in ad information device simultaneously, Industry Control, military commanding, electronic game, multimedia teaching, real estate presell, and the inquiry unit of public information, as the service inquiry etc. of the departments such as telecommunication bureau, the tax bureau, bank, electric power.
Existing the most frequently used contact panel is capacitance type touch-control panel, and capacitance type touch-control panel technology utilizes the induction of the electric current of human body to carry out work, and it has easy and simple to handle, supports the plurality of advantages such as multi-point touch.Along with the development of infotech, the requirement of people to contact panel is more and more higher, it is mainly reflected in two broad aspect, the precision of first contact panel, two is the thickness of contact panel, highly sensitive lightening contact panel is the consistent pursuit of industry, especially lightening, and it has become a large attraction of to vie each other between contact panel manufacturer in recent years and comparing with.
Usually, mostly adopt tin indium oxide (ITO) as conductive electrode material at existing contact panel, because phosphide element is a kind of rare earth element, smaller in the memory space of the Nature, its price comparison is expensive, tin indium oxide improves the manufacturing cost of contact panel to a great extent as the conductive material of contact panel, in addition, the resistance of ITO is higher, it has had influence on touch sensitivity to a certain extent, if reduce sheet resistance, then need electrode layer thickening, this not only can improve preparation cost further, also can reduce the penetrability of electrode layer, simultaneously, the development trend increasing thickness and existing lightening electronic equipment is disagreed.Again, what the making of ITO electrode layer adopted is gold-tinted technique, and gold-tinted manufacturing process is complicated, and equipment cost is high, therefore it inhibits the development of contact panel industry to a certain extent.
In sum, touch panel industry be made to develop more fast, so, we need to find really in a hurry, and that a kind of new scheme can solve existing for ITO is expensive, the shortcomings such as resistance is high, complex process, damage-retardation poor performance.
[utility model content]
For overcoming prior art Problems existing, the utility model provides a kind of low resistance, technique simple capacitance type touch-control panel.
The scheme of the utility model technical solution problem is to provide a kind of capacitance type touch-control panel, comprise a substrate and a nano-silver thread electrode layer, nano-silver thread electrode layer is arranged on substrate one on the surface, described nano-silver thread electrode layer comprises the first electrode array, the first wire-connecting and second electrode array along second direction arrangement of arranging along first direction, first electrode array comprises multiple first nano-silver thread conductive unit, and the second electrode array comprises multiple second nano-silver thread conductive unit; Substrate is provided with the perforation of through upper and lower surface in corresponding each second nano-silver thread conductive unit region, corresponding two perforation of each second nano-silver thread conductive unit; First nano-silver thread conductive unit is connected by the first wire-connecting, and the second nano-silver thread conductive unit is conducted by the conductive material in perforation and bridging line, and described bridging line is arranged at the one side that substrate differs from nano-silver thread electrode layer.
Preferably, described nano-silver thread electrode layer comprises matrix and is distributed in many nano-silver threads in described matrix, described many nano-silver threads overlap formation conductive network mutually, the thickness of described first nano-silver thread conductive unit and the second nano-silver thread conductive unit is 10nm-5 μm, sheet resistance is for being less than 100ohm/sq, the line length of the every bar nano-silver thread in described many nano-silver threads is between 20-50 μm, and wire diameter is less than 500nm, and length breadth ratio is greater than 400.
Preferably, a bridging line connects all second nano-silver thread conductive units on every bar second electrode array by perforation conducting.
Preferably, at least one bridging line connects the second nano-silver thread conductive unit adjacent on the second electrode array by perforation conducting.
Preferably, the bridging line of two parallel side-by-side connects the second nano-silver thread conductive unit adjacent on the second electrode array by perforation conducting.
Preferably, the length of described bridging line is more than or equal to the distance between in adjacent second nano-silver thread conductive unit two perforation.
Preferably, described bridging line is straight line, " V " shape, " Z " shape or serpentine.
Preferably, comprise the first cabling and the second cabling further, described first cabling is connected with the one or both ends of described first electrode array, and described second cabling is connected with the one or both ends of described second electrode array.
Preferably, described first electrode array and/or the second electrode array comprise two or more pieces sub-electrode string arranged in parallel respectively, the two or more pieces sub-electrode string of this first nano-silver thread electrode array is electrically connected with one end, and the two or more pieces sub-electrode string of this second nano-silver thread electrode array is electrically connected with one end.
Preferably, nano-silver thread electrode layer both sides more arrange adhesion promoting layer, levelling blanket, one or more layers among optical match layer, two or three layers among adhesion promoting layer, levelling blanket, optical match layer homonymy or the heteropleural that can be arranged on electrode pattern layer, optical match layer, between adhesion promoting layer and levelling blanket three, position is interchangeable.
Compared with prior art, the nano-silver thread electrode layer of the utility model capacitance type touch-control panel is made after mainly have employed nano-silver thread patterning, it is low that nano-silver thread has price as touch control electrode conductive material, resistance is low, frivolous, the advantages such as flexibility is good, the more important thing is, the utility model capacitance type touch-control panel is by being arranged at base lower surface by bridging line, by the mode of back side bridge joint, the making of bridging line is made to become simple, only need print one deck nano-silver thread layer at the substrate back punch position of correspondence, while simplifying technique, compare and above the first wire-connecting, to form bridging line need to lay insulation course on wire-connecting, the utility model adopts back side bridge joint, therefore without the need to laying insulation course, meet the development trend that contact panel is lightening.Bridging line is formed at substrate back, form pattern more for convenience, the specification pattern of bridging line can realize variation, and make the patterning of bridging line formed with the formation of electrode pattern by together with processing procedure complete and achieve possibility, in volume to volume processing procedure, roller impression in top forms electrode pattern, and roller impression in below forms bridging line pattern, achieve the simplification of technique, save cost of manufacture.
In addition, bridging line is arranged at the lower surface of substrate, and bridging line can not be subject to curved surface tension force, thus makes bridging line stable connection, not easily breaks, can improving product yield greatly.
[accompanying drawing explanation]
Fig. 1 is the cross section structure schematic diagram that nano-silver thread electrode layer is distributed on substrate.
Fig. 2 is the planar structure schematic diagram that nano-silver thread electrode layer is distributed on substrate.
Fig. 3 is the utility model first embodiment capacitance type touch-control panel perspective view.
Fig. 4 is the nano-silver thread electrode layer planar structure schematic diagram of the utility model first embodiment capacitance type touch-control panel.
Fig. 5 is the cross section structure schematic diagram of the utility model first embodiment capacitance type touch-control panel along Y-direction.
Fig. 6 is the bridging line schematic diagram of the utility model first embodiment capacitance type touch-control panel.
Fig. 7 is the cabling schematic diagram of the utility model first embodiment capacitance type touch-control panel.
Fig. 8 is the bridging line schematic diagram of the utility model second embodiment capacitance type touch-control panel.
Fig. 9 is the bridging line schematic diagram of the utility model the 3rd embodiment capacitance type touch-control panel.
Figure 10 is the bridging line schematic diagram of the utility model the 4th embodiment capacitance type touch-control panel.
Figure 11 is the first bridging line schematic diagram of the utility model the 5th embodiment capacitance type touch-control panel.
Figure 12 is the second bridging line schematic diagram of the utility model the 5th embodiment capacitance type touch-control panel.
Figure 13 is the third bridging line schematic diagram of the utility model the 5th embodiment capacitance type touch-control panel.
Figure 14 is the planar structure schematic diagram of the utility model the 6th embodiment capacitance type touch-control panel.
Figure 15 is the structural representation of the utility model the 7th embodiment capacitance type touch-control panel.
Figure 16 is the structural representation of the utility model the 8th embodiment capacitance type touch-control panel.
Figure 17 is the structural representation of the utility model the 9th embodiment capacitance type touch-control panel.
[embodiment]
In order to make the purpose of this utility model, technical scheme and advantage are clearly understood, below in conjunction with accompanying drawing and embodiment, are further elaborated to the utility model.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Silver is when nanoscale, and nano-silver thread has good transmittance and splendid electric conductivity, can be good at the conductive electrode applying to contact panel.
Refer to Fig. 1 and Fig. 2, it is the schematic diagram that nano-silver thread electrode layer 1005 is distributed on substrate 1003, the many nano-silver threads 1001 that nano-silver thread electrode layer 1005 comprises matrix 1007 and is embedded in matrix 1007, nano-silver thread 1001 mutually overlap joint forms conductive network.The line length of nano-silver thread 1001 is 10 μm-300 μm, be preferably 20 μm-100 μm, its length optimum is 20 μm-50 μm, wire diameter is less than 500nm, or is less than 200nm, 100nm, preferably be less than 50nm, and its length breadth ratio ratio of wire diameter (line length with) is greater than 10, is preferably greater than 50, more preferably greater than 100.Substrate 1003 is generally transparent insulation material.
Nano-silver thread 1001 scatters or embeds in matrix 1007, forms conductive network, and rely on matrix 1007 to form nano-silver thread electrode layer 1005, matrix 1007 can protect nano-silver thread 1001 not to be subject to the impact of the external environments such as burn into wearing and tearing.
Matrix 1007 refers to that nano-silver thread solution is being arranged on substrate 1003 through methods such as coatings, after heating, drying makes volatile material volatilize, stays the non-nano silver line material on substrate 1003.Nano-silver thread solution refers to, nano-silver thread 1001 is dispersed in the aaerosol solution formed in specific solvent, and this solvent can be water, aqueous solution, solion, saline solns, supercritical fluid, oil or its potpourri etc.Also can other adjuvant be contained, as spreading agent, surfactant, crosslinking chemical, stabilizing agent, wetting agent or thickening agent, but not as limit in this solvent.
The thickness of nano-silver thread electrode layer 1005 is about 10nm-5 μm, and be preferably 20nm-1 μm, more excellent is 10nm-200nm, and sheet resistance is less than 100ohm/sq.In certain embodiments, the refractive index of nano-silver thread electrode layer 1005 is 1.3-2.5, and more excellent is 1.35-1.8.
Refer to Fig. 3, the utility model first embodiment capacitance type touch-control panel 10 comprises substrate 11 and a nano-silver thread electrode layer 13, and nano-silver thread electrode layer 13 is formed at substrate 11 1 on the surface, and namely substrate 11 is the adhesion layer of nano-silver thread electrode layer 13.Nano-silver thread electrode layer 13 comprises in a first direction multiple first electrode arrays 131 that (hereinafter referred to as X-direction) array is arranged, multiple second electrode arrays 133 of (hereinafter referred to as Y-direction) array setting in a second direction, multiple first electrode arrays 131 constitute the touch control electrode in both direction respectively with multiple second electrode array 133.
Refer to Fig. 4, first electrode array 131 and the second electrode array 133 are that nano-silver thread electrode layer 1005 patterning is formed, first electrode array 131 comprises multiple first nano-silver thread conductive unit 1311, it is rhombus, realize series connection by many first wire-connectings 1315 between first nano-silver thread conductive unit 1311, between the first adjacent between two electrode array 131, comprise multiple first vacancy section 1313.Correspondingly, the second electrode array 133 comprises multiple second nano-silver thread conductive unit 1331, is also rhombus, independent toward each other between the second nano-silver thread conductive unit 1331.Look over from the front of capacitance type touch-control panel 10, the first nano-silver thread conductive unit 1311 on first electrode array 131 and the second nano-silver thread conductive unit 1331 zero lap region on the second electrode array 133, that is, second nano-silver thread conductive unit 1331 is arranged in the first vacancy section 1313, best, the first nano-silver thread conductive unit 1311 on first electrode array 131 and pattern complementary between the second nano-silver thread conductive unit 1331 on the second electrode array 133, the material making light pass nano-silver thread electrode layer 13 like this maintains unanimously as far as possible, optical effect is best, overcome the light brought because of material refractive index difference uneven, appear the shortcomings such as electrode pattern in one's mind.
Please continue to refer to Fig. 5, Fig. 6, due to independent toward each other between the second nano-silver thread conductive unit 1331, realization is not had to electrically conduct, for making it to electrically conduct, need to adopt " bridging structure ", substrate 11 upper surface is placed with multiple first electrode array 131 and multiple second electrode array 133, first nano-silver thread conductive unit 1311 of the first electrode array 131 is in series by the first wire-connecting 1315, second nano-silver thread conductive unit 1331 of the second electrode array 133 is separate, be provided with its upper and lower two surperficial perforation 111 through on the substrate 11, this perforation 111 is corresponding with the second nano-silver thread conductive unit 1331, in the present embodiment, corresponding two perforation 111 of each second nano-silver thread conductive unit 1331, two perforation 111 correspond respectively to two the diagonal angle near zones of rhombus along Y-direction of the second nano-silver thread conductive unit 1331, conductive material is perfused with in perforation 111.Being provided with bridging line 18 below substrate 11, the perforation 111 that bridging line 18 bridge joint two is adjacent, for connecting adjacent two the second nano-silver thread conductive units 1331 of conducting, finally making the second electrode array 133 realize conducting.
Described conductive material can be nano-silver thread conductive material, conductive silver paste, copper slurry or the radio frequency slurry such as other conducting metals slurry or conductive carbon paste.First electrode array 131 and the second electrode array 133 by together with processing procedure patterning formed.
Described perforation 111 also can corresponding optional position in the second nano-silver thread conductive unit 1331 figure, and 111 shapes of boring a hole can for circular, square, rhombus, triangle, polygon, or irregular figure, its width is 5 μm-60 μm, is preferably 10 μm-40 μm.
Every bar bridging line 18 is by adjacent two the second nano-silver thread conductive unit 1331 conductings, the length of described bridging line 18 is more than or equal to the distance between adjacent two perforation 111, the width of bridging line 18 is greater than the width of perforation 111, bridging line 18 covers perforation 111 completely to ensure the complete conducting of adjacent two the second nano-silver thread conductive units 1331, and the material of bridging line 18 adopts nano-silver thread.
Please continue to refer to Fig. 7, the utility model capacitance type touch-control panel 10 also comprises the cabling (non-label) being communicated with touch control electrode and external flexible circuits plate (being called for short FPC), cabling comprises many first cablings 171 and many second cablings 173, each first electrode array 131 is connected to FPC by two the first cablings 171, each second electrode array 133 is connected to FPC by two the second cablings 173, like this, first electrode array 131 and the second electrode array 133 form bilateral cabling by many first cablings 171 and the second cabling 173, it strengthens signal transmission, attenuated signal is decayed, even if on same first electrode array 131 or the second electrode array 133 wherein first cabling 171 or wherein second cabling 173 there is broken string phenomenon, capacitance type touch-control panel 10 still can keep normal work.This first cabling 171 and the second cabling 173 material are nano-silver thread 1001, and it can be formed with technique together patterning with nano-silver thread electrode layer 13, also can adopt conventional I TO touch-screen technique, are formed by twice processing procedure difference patterning.
The present embodiment also comprises following distortion:
Cabling is except adopting nano-silver thread 1001 and being formed, in further embodiments, cabling can also be formed after other transparent or opaque patterns of conductive materials, and described transparent conductive material is as ITO, IZO (ZnO:In), AZO (ZnO:Al), GZO (ZnO:Ga), IGZO (In:Ga:Zn), NANO CRYSTAL COPPER WIRE, Graphene, polyaniline, PEDOT.PSS, electrically conducting transparent macromolecular material, carbon nano-tube, Graphene etc.; Described opaque conductive material is as conducting metal Al, Ag, Au, Cu etc., or conducting metal stepped construction MoAlMo, MoNb etc.
First nano-silver thread conductive unit 1311 and the second nano-silver thread conductive unit 1331 can be rectangles, and it can also be triangle, hexagon, polygon, circle, other arbitrary shapes such as waveform or irregular figure.
Compared with prior art, the nano-silver thread electrode layer 13 of the present embodiment capacitance type touch-control panel 10 is made after mainly have employed nano-silver thread patterning, it is low that nano-silver thread has price as touch control electrode conductive material, resistance is low, frivolous, the advantages such as flexibility is good, the more important thing is, the present embodiment capacitance type touch-control panel 10 is by being arranged at substrate 11 lower surface by bridging line 18, by the mode of back side bridge joint, the making of bridging line 18 is made to become simple, one deck nano-silver thread layer is printed in 111 positions of only need boring a hole at substrate 11 back side of correspondence, while simplifying technique, compare and above the first wire-connecting 1315, form bridging line 18 need to lay insulation course on wire-connecting, the present embodiment adopts back side bridge joint, therefore without the need to laying insulation course, meet the development trend that contact panel is lightening.Bridging line 18 is formed on substrate 11 back side, and form pattern more for convenience, the specification pattern of therefore bridging line 18 can realize variation, and patterning forming process is simple.
In addition, bridging line 18 is arranged at the lower surface of substrate 11, and bridging line can not be subject to curved surface tension force, thus makes bridging line 18 stable connection, not easily breaks, can improving product yield greatly.
Refer to Fig. 8, the structure of the utility model second embodiment capacitance type touch-control panel 20 is substantially identical with the first embodiment, the one side of substrate 21 forms multiple first electrode array 231 and multiple second electrode array 233, be connected by the first wire-connecting 2315 between first nano-silver thread conductive unit 2311 of the first electrode array 231, second nano-silver thread conductive unit 2331 of the second electrode array 233 is by forming bridging line 28 conducting at substrate 21 another side, difference is only: this capacitance type touch-control panel 20 is provided with two bridging lines 28 between adjacent two the second nano-silver thread conductive units 2331 in the Y direction, the length of these two bridging lines 28 is more than or equal to the distance between adjacent two perforation 211, also be greater than two adjacent second nano-silver thread conductive units 2331 distance in the Y direction simultaneously.Bridging line 28 between adjacent second nano-silver thread conductive unit 2331 does not limit number, and it can also be many.
By being provided with many bridging lines 28, it can realize low line resistance, and makes bridge joint more stable, greatly improve touch-control sensitivity, even and if wherein a bridging line 28 rupture, other bridging lines 28 still normally work, reduce product waste paper rate, improving product yield greatly.
Refer to Fig. 9, the structure of the utility model the 3rd embodiment capacitance type touch-control panel 30 is substantially identical with the first embodiment, the one side of substrate 31 forms multiple first electrode array 331 and multiple second electrode array 333, be connected by the first wire-connecting 3315 between first nano-silver thread conductive unit 3311 of the first electrode array 331, second nano-silver thread conductive unit 3331 of the second electrode array 333 is by forming bridging line 38 conducting at substrate 31 another side, difference is only: connect by means of only a bridging line 38 between all second nano-silver thread conductive units 3331 on each second electrode array 333, realize electrically conducting of the second electrode array 333, all perforation 311 of all second nano-silver thread conductive unit 3331 correspondences connect by this bridging line 38, its length is greater than the distance of the second electrode array 333 head and the tail two the second nano-silver thread conductive units 3331.
Refer to Figure 10, the structure of the utility model the 4th embodiment capacitance type touch-control panel 50 is substantially identical with the 3rd embodiment, the one side of substrate 51 forms multiple first electrode array 531 and multiple second electrode array 533, be connected by the first wire-connecting 5315 between first nano-silver thread conductive unit 5311 of the first electrode array 531, second nano-silver thread conductive unit 5331 of the second electrode array 533 is by forming bridging line 58 conducting at substrate 51 another side, difference is only: two of each second nano-silver thread conductive unit 5331 correspondence perforation 511 are connected by the bridging line 58 of two next-door neighbours by this capacitance type touch-control panel 50 in the Y direction, conducting is carried out in the bridging line 58 that can also arrange more than two, do not limit at this.
Refer to Figure 11, Figure 12 and Figure 13, the structure of the utility model the 5th embodiment capacitance type touch-control panel 60 is substantially identical with the first embodiment, the one side of substrate 61 forms multiple first electrode array 631 and multiple second electrode array 633, be connected by the first wire-connecting 6315 between first nano-silver thread conductive unit 6311 of the first electrode array 631, second nano-silver thread conductive unit 6331 of the second electrode array 633 is by forming bridging line 68 conducting at substrate 61 another side, and difference is only: " V " shape, " Z " shape, serpentine are arranged in described bridging line 68.
Refer to Figure 14, the structure of the utility model the 6th embodiment capacitance type touch-control panel 70 is substantially identical with the first embodiment, substrate 71 is arranged nano-silver thread electrode layer 73, this nano-silver thread electrode layer 73 comprises multiple the first electrode array 731 in X direction and multiple the second electrode array 733 along Y-direction, spaced set between first electrode array 731 and the second electrode array 733, difference is: the first electrode array 731 comprises two the first sub-electrode strings 7312 be parallel to each other, article two, be arranged in parallel between the first sub-electrode string 7312 and form electricity connection end at two the first sub-electrode strings 7312 with one end, second electrode array 733 is similar with it, but the nano-silver thread conductive unit 7331 of the second sub-electrode string 7332 is conducted each other by the bridging line 78 below substrate 71, realize being electrically connected, the kind of bridging line 78 can be selected from any one or its combination in above-mentioned bridging line.Thus, even if electrode array wherein there is the situation of rupture of line in a strip electrode array time, do not affect the normal work of capacitance type touch-control panel 70 yet.
Refer to Figure 15, in the utility model the 7th embodiment capacitance type touch-control panel 91 and embodiment one to embodiment six, the difference of any embodiment is only: the present embodiment arranges an adhesion promoting layer 912 between substrate 911 and nano-silver thread electrode layer 913, therefore capacitance type touch-control panel 91 comprises a substrate 911 from top to bottom, one adhesion promoting layer 912, nano-silver thread electrode layer 913.One deck adhesion promoting layer 912 is applied between substrate 911 and nano-silver thread electrode layer 913, the coated area of adhesion promoting layer 912 is 100% of nano-silver thread electrode layer 913 surface area, or 80%-90%, minimumly be not less than 50%, nano-silver thread electrode layer 913 surface area that is shaped with nano-silver thread 1001 of coated area is for benchmark herein, namely when nano-silver thread electrode layer 913 be greater than, be less than or equal to substrate 911 surface area time, coated area is 100% of nano-silver thread electrode layer 913 surface area, or 80%-90%, be minimumly not less than 50%.
The expansion coefficient of described adhesion promoting layer 912 is less than the expansion coefficient of substrate 911, and the configuration of adhesion promoting layer 912 can reduce the degree that flexible base plate 911 produces warpage in film forming manufacturing process, greatly improves the yield of product.
The material of described adhesion promoting layer 912 can be selected from high molecular polymer, insulating material, resin, transparent optical cement, oxide, class photoresistances etc., include but not limited to: material or their combination in any such as polyacetylene, polyaniline, polyarylene, polythiophene, Graphene.
Refer to Figure 16, the utility model the 8th embodiment contact panel 92 is only with the difference of any embodiment in embodiment one to embodiment six: the present embodiment arranges a levelling blanket 924 on nano-silver thread electrode layer 923 surface, therefore, capacitance type touch-control panel 92 comprises a substrate 921 from top to bottom, one nano-silver thread electrode layer 923, levelling blanket 924.
Levelling blanket 924 is coated in above nano-silver thread electrode layer 923, and after rolling technology process, the overlap joint area between nano-silver thread 1001 can be made to increase thus improve contact rate and the conductance of nano-silver thread 1001, thus reaching good flatness.Described levelling blanket 924 is positioned at above nano-silver thread electrode layer 923, or preferably, nano-silver thread electrode layer 923 is partially submerged in levelling blanket 924 in a thickness direction.
The material of described levelling blanket 924 can be selected from high molecular polymer, insulating material, resin, transparent optical cement, oxide, class photoresistance etc., include but not limited to: polyacetylene, polyaniline, polyarylene, polythiophene, Graphene gather 3,4-ethylidene dioxy fen (PEDOT), etc. material or their combination in any.
Refer to Figure 17, the utility model the 9th embodiment contact panel 93 is only with the difference of any embodiment in embodiment one to embodiment six: the present embodiment arranges an optical match layer 936 at nano-silver thread electrode layer 933 lower surface, therefore capacitance type touch-control panel 93 comprises a substrate 931 from top to bottom, one nano-silver thread electrode layer 933, optical match layer 936.In other embodiments, optical match layer 936 also can be arranged on the upper surface of nano-silver thread electrode layer 933 or be arranged on upper surface and the lower surface of nano-silver thread electrode layer 933 simultaneously.
There is certain haze issues in nano-silver thread, in order to the display effect making whole contact panel reach best, this variant embodiment arranges optical match layer 936 at nano-silver thread electrode layer 933 lower surface of contact panel, this optical match layer 936 is the blooming of one deck low-refraction, it can reduce the reflection of nano-silver thread 1001, described low-refraction is that refractive index is less than 1.6, preferably 1.1 ~ 1.6.Optical match layer 936 can be organism or inorganics, or organic and inorganic mixed coating.Such as Si oxide, chloro-fluoride, magnesium fluoride, silicon dioxide, preferred refractive index is 1.1,1.25,1.32,1.38,1.46,1.50,1.52.The optical film thickness of optical match layer 936 is 1/4 wavelength odd-multiple.After increasing by an optical match layer 936 in the present embodiment, the mist degree of nano-silver thread electrode layer 933 can be reduced to about 5%, is preferably less than 3%, 2%, 1.5%.
For reducing mist degree further, described substrate 931 can be replaced 1/4 wavelength retarder plate, when light is by producing reflection during quarter-wave retardation plate, because optical path difference postpones, incident light and reflected light are offset, thus can reduce reflected light, reduce the mist degree of nano-silver thread in nano-silver thread electrode layer 933.In addition, by arranging quarter-wave retardation plate above nano-silver thread electrode layer 933, simultaneously the line polarisation of LCD or OLED can be changed into rotatory polarization, thus under polarized sunglasses, watch the phenomenon that Touch Screen there will not be delustring.
Above-mentioned levelling blanket 924, adhesion promoting layer 912, optical match layer 936 can optional one be added in contact panel, also can optional two add or all add.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all any amendments done within principle of the present utility model, equivalent replacement and improvement etc. all should comprise within protection domain of the present utility model.
Claims (10)
1. a capacitance type touch-control panel, comprise a substrate and a nano-silver thread electrode layer, nano-silver thread electrode layer is arranged on substrate one on the surface, it is characterized in that: described nano-silver thread electrode layer comprises the first electrode array, the first wire-connecting and second electrode array along second direction arrangement of arranging along first direction, first electrode array comprises multiple first nano-silver thread conductive unit, and the second electrode array comprises multiple second nano-silver thread conductive unit;
Substrate is provided with the perforation of through upper and lower surface in corresponding each second nano-silver thread conductive unit region, corresponding two perforation of each second nano-silver thread conductive unit;
First nano-silver thread conductive unit is connected by the first wire-connecting, and the second nano-silver thread conductive unit is conducted by the conductive material in perforation and bridging line, and described bridging line is arranged at the one side that substrate differs from nano-silver thread electrode layer.
2. capacitance type touch-control panel as claimed in claim 1, it is characterized in that: described nano-silver thread electrode layer comprises matrix and is distributed in many nano-silver threads in described matrix, described many nano-silver threads overlap formation conductive network mutually, the thickness of described first nano-silver thread conductive unit and the second nano-silver thread conductive unit is 10nm-5 μm, sheet resistance is for being less than 100ohm/sq, the line length of the every bar nano-silver thread in described many nano-silver threads is between 20-50 μm, wire diameter is less than 500nm, and length breadth ratio is greater than 400.
3. capacitance type touch-control panel as claimed in claim 1, is characterized in that: a bridging line connects all second nano-silver thread conductive units on every bar second electrode array by perforation conducting.
4. capacitance type touch-control panel as claimed in claim 1, is characterized in that: at least one bridging line connects the second nano-silver thread conductive unit adjacent on the second electrode array by perforation conducting.
5. capacitance type touch-control panel as claimed in claim 4, is characterized in that: the bridging line of two parallel side-by-side connects the second nano-silver thread conductive unit adjacent on the second electrode array by perforation conducting.
6. the capacitance type touch-control panel as described in any one of claim 4 or 5, is characterized in that: the length of described bridging line is more than or equal to the distance between two perforation in adjacent second nano-silver thread conductive unit.
7. the capacitance type touch-control panel as described in any one of claim 3-5, is characterized in that: described bridging line is straight line, " V " shape, " Z " shape or serpentine.
8. capacitance type touch-control panel as claimed in claim 1, it is characterized in that: comprise the first cabling and the second cabling further, described first cabling is connected with the one or both ends of described first electrode array, and described second cabling is connected with the one or both ends of described second electrode array.
9. capacitance type touch-control panel as claimed in claim 1, it is characterized in that: described first electrode array and/or the second electrode array comprise two or more pieces sub-electrode string arranged in parallel respectively, the two or more pieces sub-electrode string of this first nano-silver thread electrode array is electrically connected with one end, and the two or more pieces sub-electrode string of this second nano-silver thread electrode array is electrically connected with one end.
10. capacitance type touch-control panel as claimed in claim 1, it is characterized in that: nano-silver thread electrode layer both sides more arrange adhesion promoting layer, levelling blanket, one or more layers among optical match layer, two or three layers among adhesion promoting layer, levelling blanket, optical match layer homonymy or the heteropleural that can be arranged on electrode pattern layer, optical match layer, between adhesion promoting layer and levelling blanket three, position is interchangeable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420534242.4U CN204155256U (en) | 2014-09-17 | 2014-09-17 | A kind of capacitance type touch-control panel |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105487727A (en) * | 2014-09-17 | 2016-04-13 | 宸鸿科技(厦门)有限公司 | Capacitive touch panel and manufacturing method thereof |
| CN107272935A (en) * | 2016-03-31 | 2017-10-20 | 东友精细化工有限公司 | Touch sensor |
| CN108646939A (en) * | 2018-04-20 | 2018-10-12 | 武汉华星光电半导体显示技术有限公司 | A kind of touch electrode structure and touch panel |
| CN108845709A (en) * | 2018-06-30 | 2018-11-20 | 云谷（固安）科技有限公司 | Interconnection structure of nano-silver thread layer and forming method thereof, touch device |
| CN112416156A (en) * | 2019-08-23 | 2021-02-26 | 陕西坤同半导体科技有限公司 | Touch display panel and preparation method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105487727A (en) * | 2014-09-17 | 2016-04-13 | 宸鸿科技(厦门)有限公司 | Capacitive touch panel and manufacturing method thereof |
| CN107272935A (en) * | 2016-03-31 | 2017-10-20 | 东友精细化工有限公司 | Touch sensor |
| CN108646939A (en) * | 2018-04-20 | 2018-10-12 | 武汉华星光电半导体显示技术有限公司 | A kind of touch electrode structure and touch panel |
| CN108845709A (en) * | 2018-06-30 | 2018-11-20 | 云谷（固安）科技有限公司 | Interconnection structure of nano-silver thread layer and forming method thereof, touch device |
| CN108845709B (en) * | 2018-06-30 | 2021-08-06 | 广州国显科技有限公司 | Interconnection structure of nano silver wire layer, forming method thereof and touch device |
| CN112416156A (en) * | 2019-08-23 | 2021-02-26 | 陕西坤同半导体科技有限公司 | Touch display panel and preparation method |
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