CN203930770U

CN203930770U - Contact panel

Info

Publication number: CN203930770U
Application number: CN201420312348.XU
Authority: CN
Inventors: 吴湘婷; 陈艺琴; 何加友; 袁琼
Original assignee: TPK Touch Solutions Xiamen Inc
Current assignee: TPK Touch Solutions Xiamen Inc
Priority date: 2014-06-12
Filing date: 2014-06-12
Publication date: 2014-11-05
Anticipated expiration: 2024-06-12

Abstract

The utility model provides a kind of contact panel, it comprises an electrode pattern layer and a substrate, this electrode pattern layer is distributed in a side of substrate, in this electrode pattern layer, be provided with multiple the first electrode arrays and multiple the second electrode array, the first electrode array and the first electrode array are nano-silver thread conductive layer, between the first electrode array and the second electrode array without overlapping region.When the utility model has avoided existing touch-control electrode in the same plane, need the shortcoming of putting up a bridge and bringing.

Description

Contact panel

[technical field]

The utility model relates to touch-control field, relates in particular to a kind of contact panel.

[background technology]

Existing the most frequently used contact panel is capacitance type touch-control panel, and capacitance type touch-control panel technology utilizes the electric current induction 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, people are more and more higher to the requirement of contact panel, it is mainly reflected in two broad aspect, the precision of first contact panel, the 2nd, 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 vying each other and comparing with between contact panel manufacturer in recent years.

Refer to Fig. 1 and Fig. 2, in order to reduce the thickness of contact panel, contact panel manufacturer can select multiple the second electrode arrays 3 in contact panel 1 multiple the first electrode arrays 2 and second direction to be in a first direction formed on same substrate 4, wherein, the first electrode array 2 comprises multiple the first conductive units 5, the first conductive unit 5 is rhombus, between the first conductive unit 5, realize series connection by multiple the first wire-connectings 6, correspondingly, the second electrode array 3 comprises multiple the second conductive units 7, the second conductive unit 7 is rhombus, between the second conductive unit 7, realize series connection by multiple the second wire-connectings 8, because the first electrode array 2 and the second electrode array 3 are laid on same substrate 4 surfaces, first direction is crossing with second direction, therefore, there is an overlapping region 9 in the first wire-connecting 6 of the first electrode array 2 and the second wire-connecting 8 of the second electrode array 3.Refer to Fig. 3, in order to make the first wire-connecting 6 and the second wire-connecting 8 mutually insulated in these 9 territories, crossover region, we need to adopt bridge-type design conventionally: first on substrate 4, lay the first electrode array 2 and the second conductive unit 7 that form array, then above the first wire-connecting 6, lay an insulation course 90, finally the second wire-connecting 8 is connected across on insulation course 90, and in second direction, connect the second adjacent conductive unit 7, owing to having laid a layer insulating 90 between the first wire-connecting 6 and the second wire-connecting 8, like this, just can ensure mutually insulated between the electrode on both direction.

Conventionally, in above-mentioned contact panel, that the first electrode array 2 and the second electrode array 3 mostly adopt is tin indium oxide (ITO), because phosphide element is a kind of rare earth element, memory space at the Nature is smaller, its price comparison costliness, tin indium oxide has promoted 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 reduction sheet resistance, need electrode layer thickening, this not only can further improve preparation cost, also can reduce the penetrability of electrode layer, simultaneously, the development trend that increases thickness and existing lightening electronic equipment is disagreed.Again, in order to ensure the first electrode array 2 that ITO makes and the circuit precision of the second electrode array 3, what the making of electrode layer adopted is gold-tinted technique, gold-tinted manufacturing process complexity, and equipment cost is high, therefore it has suppressed the development of touch-screen industry to a certain extent.

Refer to Fig. 4, in bridge design, the second wire-connecting 8 that is positioned at insulation course 90 tops is connected across on insulation course 90, and in second direction, connect the second adjacent conductive unit 7, the second wire-connecting 8 is in the structure of this bridge design, it is actually a climbing design, the cross section of the second wire-connecting 8 is a curved surface, ITO material is more crisp, ductility and toughness are poor, therefore, in climbing design, the second wire-connecting 8 is very easy to occur because being subject to tension force or yield rate deficiency the phenomenon of fracture, once the second wire-connecting 8 fractures, the part of contact panel 1 just can lose touch controllable function, because the second wire-connecting 8 is difficult for repairing, like this, often cause useless sheet and waste, this has brought the great wasting of resources to touch-screen industry.

The problem that the design of above-mentioned bridge-type is brought is equally also applicable to other conductive materials, therefore, ensure the yield of contact panel 1 for making contact panel 1 thinner when, remove its bridge-type design imperative.

[utility model content]

For overcoming the shortcoming of the ITO electrode existence in existing contact panel and the shortcoming that bridge-type design easily causes contact panel yield to decline, the utility model provides a kind of novel contact panel without carrying out bridge-type connection.

The utility model provides a kind of contact panel, it comprises: a substrate and an electrode pattern layer, this substrate has first surface and second, electrode pattern layer is arranged at second of described substrate, described electrode pattern layer comprises multiple the first electrode arrays and multiple the second electrode array, described the first electrode array and described the second electrode array be for detection of multi-point touch, and be nano-silver thread conductive layer, between described the first electrode array and described the second electrode array without overlapping region.

Preferably, the first electrode array and the complementation of the second electrode array or alternate setting.

Preferably, the second electrode array and the first electrode array include a string wiring and multiple branch line, multiple branch lines are positioned at serial connection line homonymy and are connected with serial connection line, branch line on the second electrode array and the first electrode array is both be connected in series between line at this, and the branch line on the branch line on the second electrode array and the first electrode array is staggered.

Preferably, this branch line comprises multiple terminals.

Preferably, on one first electrode array or one second electrode array, be provided with many sub-electrodes, between sub-electrode, be electrically connected.

Preferably, described substrate is cover plate, and the first surface of described cover plate is touch control operation face.

Preferably, more comprise a cover plate, described substrate is between described cover plate and described electrode pattern layer, or electrode pattern layer is between described cover plate and substrate.

Preferably, electrode pattern layer further comprises the first cabling and the second cabling, the first electrode array is connected to flexible PCB by the first cabling, and the second electrode array is connected to flexible PCB by the second cabling, and the first cabling and the second cabling are nano-silver thread conductive layer.

Preferably, described nano-silver thread conductive layer comprises a 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 nano-silver thread conductive layer is 10nm-5um, sheet resistance is for being less than 100ohm/sq, the line length of every nano-silver thread in described many nano-silver threads is between 20-50 μ m, and wire diameter is less than 50nm, and length breadth ratio is greater than 400.

Preferably, in electrode pattern layer both sides, adhesion promoting layer can be set, levelling blanket, one or more layers among optical match layer, adhesion promoting layer, levelling blanket, among optical match layer two or three layers can be arranged on homonymy or the heteropleural of electrode pattern layer, optical match layer, and between adhesion promoting layer and levelling blanket three, position is interchangeable, wherein, described levelling blanket thickness is 10 μ m-300 μ m.

Compared with prior art, in the utility model, the touch-control electrode of contact panel is by nano-silver thread solution coat is become after nano-silver thread conductive layer, forms through PROCESS FOR TREATMENT.Between nano-silver thread, form conduction network by overlap joint, it is low that nano-silver thread has price as touch-control electrode conductive material, resistance is low, frivolous, the flexible advantage such as good, while importantly adopting nano-silver thread as conductive material on contact panel, it can adopt simple coating process to replace conventional I TO gold-tinted technique, when it has simplified the manufacture craft of contact panel, equipment cost reduces, and it makes more manufacturing enterprise can enter contact panel manufacturing industry.

The first electrode array and the second electrode array are all positioned on the same plane of substrate, between the first electrode and the second electrode without any overlapping region, that is to say these both for non-cross designs, when it has avoided existing touch-control electrode in the same plane, need the shortcoming of putting up a bridge and bringing.Alternately, it has ensured the touch-control precision of contact panel for the first electrode and the second electrode.

[brief description of the drawings]

Fig. 1 is the layer structure schematic diagram of contact panel in prior art.

Fig. 2 is the planar structure schematic diagram of contact panel electrode pattern in Fig. 1.

Fig. 3 is the sectional structure schematic diagram at A-A place in Fig. 2.

Fig. 4 is that in Fig. 2, the perspective view under state is analysed and observe at A-A place.

Fig. 5 is the cross section structure schematic diagram of the utility model nano-silver thread film.

Fig. 6 is the floor map of the utility model nano-silver thread film.

Fig. 7 is the layer structure schematic diagram of the utility model embodiment mono-contact panel, and it comprises an electrode pattern layer.

Fig. 8 is the floor map of electrode pattern layer in Fig. 7.

Fig. 9 is that Fig. 7 is the Wiring structure schematic diagram of contact panel.

Figure 10 is the electrode pattern layer planar structure schematic diagram of the utility model embodiment bis-contact panels.

Figure 11 is the electrode pattern layer planar structure schematic diagram of the utility model embodiment tri-contact panels.

Figure 12 is the electrode pattern layer planar structure schematic diagram of the utility model embodiment tetra-contact panels.

Figure 13 is the electrode pattern layer planar structure schematic diagram of the utility model embodiment five contact panels.

Figure 14 is the electrode pattern layer planar structure schematic diagram of the utility model embodiment six contact panels.

Figure 15 is the electrode pattern layer planar structure schematic diagram of the utility model embodiment seven contact panels.

Figure 16 is the layer structure schematic diagram of the utility model embodiment eight contact panels, and it further comprises an adhesion promoting layer.

Figure 17 is the layer structure schematic diagram of the utility model embodiment nine contact panels, and it further comprises a levelling blanket.

Figure 18 is the layer structure schematic diagram of the utility model embodiment ten contact panels, and it further comprises an optical match layer.

Figure 19 is the layer structure schematic diagram of the utility model embodiment 11 contact panels, and it further comprises an adhesion promoting layer, a levelling blanket and an optical match layer.

Figure 20 is the layer structure schematic diagram of the utility model embodiment 12 contact panels.

[embodiment]

In order to make the purpose of this utility model, technical scheme and advantage are clearer, below in conjunction with accompanying drawing and embodiment, the utility model are further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.

Refer to Fig. 5 and Fig. 6, it is the structural representation that dissects of nano-silver thread conductive film 800, it comprises substrate 807 and is produced on the nano-silver thread conductive layer 805 on substrate 807, nano-silver thread conductive layer 805 comprises the many nano-silver threads 801 that are embedded in matrix 803, substrate 807 is generally transparent insulation material, and nano-silver thread is arranged and wherein mutually overlapped and form conductive network.Nano-silver thread 801 (silver nano wires, be called for short SNW) line length be 10-300 μ m, preferably 20-100 μ m, preferably its length 20-50 μ m, the wire diameter of nano-silver thread 801 is less than 500nm or is less than 200nm, 100nm, be preferably and be less than 50nm, and its length breadth ratio ratio of wire diameter (line length with) is greater than 10, be preferably greater than 50,100, more preferably greater than 400.

Silver is silvery white metal under general state, and is opaque material, and electric conductivity is splendid.And while being nano-silver thread 801, nano-silver thread 801 has good transmittance and splendid electric conductivity, can be good at applying to the touch-control electrode of touch-screen.

Matrix 803 refers to containing the solution of nano-silver thread 801 and is being arranged on substrate 807 through methods such as coatings, after heating, drying makes volatile material volatilization, stays the non-nano silver line material on substrate 807.Nano-silver thread 801 scatters or embeds wherein, forms conductive network, and part nano-silver thread 801 is outstanding from matrix 803 materials.Nano-silver thread 801 relies on matrix 803 to form nano-silver thread conductive layer 805, and matrix 803 can protect nano-silver thread 801 to avoid the impact of the external environments such as burn into wearing and tearing.

The thickness of nano-silver thread conductive layer 805 is about 10nm-5 μ m, is preferably 20nm-1 μ m, and more excellent is 50nm-200nm.Described nano-silver thread conductive layer 805 sheet resistances are less than 100ohm/sq.In certain embodiments, the refractive index of nano-silver thread conductive layer 805 is 1.3-2.5, and more excellent is 1.35-1.8.

Refer to containing the solution of nano-silver thread 801, nano-silver thread 801 is dispersed in specific solvent and the solution forming, and this solvent can be water, aqueous solution, organic solvent, inorganic solvent, solion, saline solns, supercritical fluid, oil or its potpourri etc.In this solvent, also contain other adjuvant, as spreading agent, surfactant, crosslinking chemical, wetting agent or thickening agent, but not as limit.

In addition, can, by selecting suitable host material to adjust the optical characteristics of nano-silver thread conductive layer 805, particularly solve mist degree problem.For example, matrix 803 can be adjusted into refractive index, component and certain thickness with expectation, can effectively reduce reflection loss, dazzle impact, mist degree.

Mist degree refers to the cloud or the muddy outward appearance that cause due to nano-silver thread 801 surface light diffusion in nano-silver thread conductive layer 805.The transmittance of transparent nano silver line conductive layer 805 or sharpness can limiting by following parameter quantitative: transmittance and mist degree.Transmittance refers to that, by the number percent of the incident light of medium transmission, the transmittance of transparency conducting layer 805 is at least 80%, even can be up to 91%-92%.Mist degree is light diffusing index, and mist degree refers to be separated in incident light and the quantity number percent of the light of scattering in the process of transmission.Transmittance is the character of light transmission medium to a great extent, different with it, and mist degree is often relevant with product, and caused by the unevenness of the imbedded particle in surfaceness and medium or component typically.Mist degree can not exceed 5% in an embodiment of the present invention, is preferably no more than 3%, is preferredly no more than 1.5%.

In all embodiments, the position determiner such as upper and lower, left and right only limits to the relative position in given view, but not absolute position.

Refer to Fig. 7, the utility model the first embodiment contact panel 10 comprises a substrate 11 and an electrode pattern layer 13, and this substrate 11 has first surface 111 and second 112, and electrode pattern layer 13 is set directly on 11 second 112 of substrates.The first surface 111 of substrate 11 can be touch control operation face, and it can carry out touch control operation by finger or pointer etc.

Refer to Fig. 8, electrode pattern layer 13 comprises multiple the first electrode arrays 131 and multiple first crosstalk utmost points 135, the first electrode array 131 and the second electrode array 135 are right-angle triangle, the first electrode array 131 and the second electrode array 135 are respectively the touch-control electrodes of contact panel 10, and it is for detection of multi-point touch.The first electrode array 131 and the second electrode array 135 are nano-silver conductive layer 805, this first electrode array 131 and the second electrode array 135 alternately, between the first electrode array 131 and the second electrode array 135 without overlapping region and complementation.One first electrode array 131 is identical with the shape area of one second electrode array 135, and the adjacent setting of two triangle hypotenuse, that is to say the first electrode array 131 and the second electrode array 135 shape complementarities, therefore one first electrode array 131 and one second electrode array 135 amalgamations are a rectangle.Whole electrode pattern layer 13 proper alignment form a rectangular patterns district.

Substrate 11 can be rigid substrate, as glass, and tempered glass, sapphire glass etc.; Also can be flexible parent metal, as PEEK (polyetheretherketone polyetheretherketone), PI (Polyimide polyimide), PET (polyethylene terephthalate polyethylene terephthalate), PC (polycarbonate polycarbonate), PES (polyethylene glycol succinate, PMMA (polymethylmethacrylate polymethylmethacrylate) and arbitrarily both materials such as compound.

Refer to Fig. 9, electrode pattern layer 13 further comprises cabling (not label), and cabling is connected between flexible PCB (being called for short FPC) and touch-control electrode.Cabling comprises that the first electrode array 131 is electrically connected to FPC by the first cabling 138 and the second cabling 139, the first cablings 138, and the second electrode array 135 is electrically connected to FPC by the second cabling 139.

The first cabling 138 and the second cabling 139 are nano-silver thread conductive layer 805, and it is arranged in around the touch area that the first electrode array 131 and the second electrode array 135 surround.This transparent conductive material can also be 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., now substrate 11 at least can be made Rimless design in both sides, obtains Rimless contact panel 10.

Compared with prior art, in the present embodiment, the touch-control electrode of contact panel 10 is by nano-silver thread 801 solution coat are become after nano-silver thread conductive layer 805, forms through PROCESS FOR TREATMENT.Between nano-silver thread 801, form conduction network by overlap joint, it is low that nano-silver thread 801 has price as touch-control electrode conductive material, resistance is low, frivolous, the flexible advantage such as good, while importantly adopting nano-silver thread 801 as conductive material on contact panel 10, it can adopt simple coating process to replace conventional I TO gold-tinted technique, when it has simplified the manufacture craft of contact panel 10, equipment cost reduces, and it makes more manufacturing enterprise can enter contact panel 10 manufacturing industry.

The first electrode array 131 and the second electrode array 135 are all positioned on the same plane of substrate 11, between the first electrode array 135 and the second electrode array 131 without any overlapping region, that is to say that both design for non-cross these, when it has avoided existing touch-control electrode in the same plane, need the shortcoming of putting up a bridge and bringing.Alternately, it has ensured the touch-control precision of contact panel 10 for the first electrode array 131 and the second electrode array 135.

The present embodiment also comprises following distortion:

The shape of the first electrode array 131 and one second electrode array 135 is not limited to the right-angle triangle described in the present embodiment, and it can also be other shapes, as rectangle, polygon, waveform or irregular figure.The edge of the first electrode array 131 and the second electrode array 135 is not defined as straight line, and it can be also toothed edge, rippled edge etc.

The first cabling 138 and/or the second cabling 139 can also adopt opaque conductive material, as conducting metal Al, and Ag, Au, Cu etc., or conducting metal stepped construction MoAlMo, MoNb etc., but not as limit.Now, this contact panel 10 also comprises one deck decorative layer (figure does not look), and opaque cabling is override, and makes touch-screen 10 entirety more attractive in appearance.

Decorative layer can be selected ink, photoresistance, and non-conductive metal, the compound substances such as PC-PMMA, these materials are opaque, and when it can be used for covering cabling or contact panel 10 other assemblies, contact panel 10 is for there being frame touch panel.

The first electrode array 131 described in the present embodiment and the utility model and the second electrode array 135 complementary relationships refer to: when the first electrode array 131 to the second electrode array 135 near time, both patterned sides are along mutually mating, or when the Zone Full of first electrode array 131 or the second electrode array 135 or subregion equal proportion convergent-divergent, both edges can mate mutually.

Refer to Figure 10, the utility model the second embodiment contact panel 20 is only with the difference of embodiment mono-: the electrode pattern layer 23 of this contact panel 20 is included in multiple rectangles the first electrode array 231 and rectangle the second electrode array 235 that in first direction and second direction, array arranges, multiple the first electrode arrays 231 set in a row in a first direction, and multiple the second electrode arrays 235 also set in a row at first direction.In second direction alternately, second direction and first direction are orthogonal for the first electrode array 231 and the second electrode array 235.The first electrode array 231 of array and the second electrode array 235 shapes are not limited to rectangle, and it can also be triangle, polygon, other rules or irregularly shaped of rhombus etc.

Refer to Figure 11, the difference of the utility model the 3rd embodiment contact panel 30 and embodiment mono-only with the electrode pattern layer 33 of contact panel 30, this electrode pattern layer 33 comprises between multiple the first electrode arrays 331 and multiple the second electrode array 335, the first electrode arrays 331 and the second electrode array 335 without overlapping region and complementary setting.On the first electrode array 331, comprise a protuberance 3311 and a recess 3313, the second electrode array 335 equally also comprises a protuberance 3351 and a recess 3353, recess 3353 corresponding complementary on protuberance 3311 on the first electrode array 331 and the second electrode array 335, protuberance 3351 corresponding complementary on recess 3313 on the first electrode array 331 and the second electrode array 335, this scheme can increase the mutual inductance area between the first electrode array 331 and the second electrode array 335, increase coupling capacitance to each other, improve touch-control sensitivity.

Refer to Figure 12, the difference of the utility model the 4th embodiment contact panel 40 and embodiment mono-only with the electrode pattern 43 of contact panel 40, this electrode pattern layer 43 comprises multiple the first electrode arrays 431 and multiple the second electrode array 435, between the first electrode array 431 and the second electrode array 435 without overlapping region and complementation, the first electrode array 431 comprises the serial connection line 4311 of a certain width and the branch line 4313 of multiple certain widths, serial connection line 4311 is a straight line, and branch line 4313 is all positioned at serial connection line 4311 the same sides and is all directly connected with serial connection line 4311.Branch line 4313 is many broken lines, and it comprises two terminals 4315, branch line 4313 its be connected in series line 4311 junctions and distributed many broken lines.The second electrode array 435 equally also comprises the serial connection line 4351 of a certain width and the branch line 4353 of multiple certain widths, and serial connection line 4351 is a straight line, and branch line 4353 is all positioned at serial connection line 4351 the same sides and is all directly connected with serial connection line 4351.Branch line 4353 is many broken lines, and it comprises two terminals 4355, branch line 4353 its be connected in series line 4351 junctions and distributed many broken lines.The serial connection line 4311 of the first electrode array 431 is parallel to each other with the line 4351 that is connected in series of the second electrode array 435, and branch line 4313,4353 is positioned at this between the two.Between the branch line 4313 of the first electrode array 431 and the branch line 4353 of the second electrode array 435, establish at regular intervalsly, these both staggered complementary.Serial connection line 4311,4351 can be also the irregular lines of certain width.Branch line 4313,4353 is not limited to broken line, and it can also be curve etc.Terminal 4315,4355 numbers are not construed as limiting, and it can be single or multiple.

Refer to Figure 13, the difference of the utility model the 5th embodiment contact panel 50 and the 4th embodiment is only: the first electrode array 531 more than branch line 5313 is 360 ° and disperses the branch line 5353 that forms seven terminal 5315, the second electrode arrays 535 and arrange around the branch line 5313 of the first electrode 531.Region between the first electrode array 531 branch lines 5313 and the second electrode array 535 branch lines 5353 is set as to neighboring region, when width one timing of neighboring region, it is more that terminal 5315 arranges, two branch lines 5313, staggered more complicated between 5353, namely neighboring region area is larger, branch line 5313,5353 are not limited to broken line, and it can also be curve etc.It is more that terminal 5315,5355 arranges, and the touch-control sensitivity of contact panel 50 is higher.

Refer to Figure 14, the difference of the utility model the 6th embodiment contact panel 60 and embodiment mono-only with the electrode pattern 63 of contact panel 60, this electrode pattern 63 comprises multiple the first electrode arrays 631 and multiple the second electrode array 635, between the first electrode array 631 and the second electrode array 635, arrange without overlapping region and complementation, the second electrode array 635 comprises multiple annular regions 6351, mutual UNICOM between annular region 6351, each annular region 6351 is provided with an opening 6353, the first electrode array 631 parts are positioned at the annular region 6351 of the second electrode array 635, and be electrically connected outside formation of annular region 6351 by the opening 6353 in annular region 6351.The shape of annular region 6351 is not limited to polygon or circle, and it can also be other rules or irregularly shaped.

Refer to Figure 15, the difference of the utility model the 7th embodiment contact panel 70 and embodiment mono-only with the electrode pattern 73 of contact panel 70, this electrode pattern 73 comprises between multiple the first electrode arrays 731 and multiple the second electrode array 735, the first electrode arrays 731 and the second electrode array 735 without overlapping region and complementary setting.Each first electrode array 731 comprises two first sub-electrodes 7312, two first sub-electrodes 7312 are at one end connected, each second electrode array 735 comprises two second sub-electrodes 7352, two second sub-electrodes 7352 are at one end connected, link between the second sub-electrode 7352 is positioned at electrode pattern layer 73 1 sides, is the link between the first sub-electrode 7312 in its relative side.The first sub-electrode 7,312 second sub-electrodes 7352 are triangle.The second sub-electrode 7352 and the alternate setting of the first sub-electrode 7312, complimentary to one another.

Each first electrode array 731 has comprised respectively two the first sub-electrodes 7312 and two the second sub-electrodes 7352 with each second electrode array 735, and in wall scroll the first electrode 731, the first sub-electrode 7312 numbers are not limit, and it can be many.The second included sub-electrode 7352 numbers of wall scroll the first electrode array 735 also do not limit, and it can be many.

Compared with prior art, the present embodiment the first electrode array 731 and the second electrode array 735 have comprised respectively two first sub-electrodes 7312 and two second sub-electrodes 7352, it has not only improved the sensitivity of multi-point touch greatly, and in the middle of the manufacturing process of contact panel 70, or in the middle of use procedure, even if there is fracture in the second sub-electrode 7352 of in the first sub-electrode 7312 of the first electrode array 731 or the second electrode 735 wherein, its another still keep work, therefore, contact panel 70 still can normally be worked, reduce useless sheet rate, greatly improve the yield of product.

In above-mentioned all embodiment (this sentences the first embodiment is that example describes), can also (the first electrode array 131 and the second electrode array 135 do not cover the part of substrate) include compensating electrode (figure does not look) in the gap of electrode pattern 13, this compensating electrode electrically disconnects each other with the first electrode array 131 and the second electrode array 135 respectively, this compensating electrode is also nano-silver thread conductive layer 805, the material that makes like this light pass capacitance type touch-control panel 10 interfaces has kept consistent as far as possible, optical effect the best, it is inhomogeneous that it has overcome the light bringing because of material refractive index difference, appear the shortcomings such as electrode pattern layer in one's mind.

Refer to Figure 16, in the utility model the 8th embodiment contact panel 80 and embodiment mono-to embodiment seven, the difference of arbitrary embodiment is only: the present embodiment arranges an adhesion promoting layer 85 between substrate 81 and electrode pattern layer 83, therefore contact panel 80 comprises a substrate 81 from top to bottom, one adhesion promoting layer 85, one electrode pattern layer 83.Substrate 81 comprises a first surface 801 and one second 802, adhesion promoting layer 85 is arranged on second 802 of substrate 81, be to apply one deck adhesion promoting layer 85 between substrate 81 and electrode pattern layer 13, the coated area of adhesion promoting layer 85 is 100% of electrode pattern layer 83 surface areas, or 80%-90%, minimumly be not less than 50%, electrode pattern layer 83 surface areas that coated area is shaped taking nano-silver thread 801 are herein benchmark, when electrode pattern layer 83 is greater than, while being less than or equal to substrate 81 surface area, coated area is 100% of electrode pattern layer 83 surface areas, or 80%-90%, minimumly be not less than 50%.

The expansion coefficient of described adhesion promoting layer 85 is less than the expansion coefficient of substrate 81, and the configuration of this adhesion promoting layer 85 can reduce flexible base plate and produce in film forming manufacturing process the degree of warpage, greatly improves the yield of processing procedure.

The material of described adhesion promoting layer 85 can be selected from high molecular polymer, insulating material, resin, transparent optical cement, oxide, and class photoresistance etc., include but not limited to: polyacetylene, polyaniline, polyarylene, polythiophene etc.

Described adhesion promoting layer 85 is coated in substrate 81 tops with the form of fluid, and described fluid can be: water, ion or the solution that comprises ion, organic solvent, inorganic solvent or their combination in any.Include but not limited to: water, acetone, ethyl acetate, ethanol, butyl acetate, amylalcohol, phenolics, alkyd resin, NaOH or their combination in any.Described fluid further also can comprise surfactant, spreading agent, stabilizing agent or bonding agent.

Adhesion promoting layer 85 is except being coated on substrate 81 with fluid form, it itself can also be the form of solid film, be directly covered in substrate 81 tops by the adhesion promoting layer 85 to solid film formula with the form of heating roll extrusion etc., at this moment the material of adhesion promoting layer 85 includes but not limited to: polyvinyl butyral (PVB), polyvinyl alcohol (PVA) (PVA), polycarbonate (PC), polyethylene terephthalate (PET), polymethyl methacrylate (PMMA), viscose paper etc.

Refer to Figure 17, in the utility model the 9th embodiment contact panel 82 and embodiment mono-to embodiment eight, the difference of arbitrary embodiment is only: the present embodiment arranges a levelling blanket 827 on electrode pattern layer 823 surfaces, therefore, contact panel 82 comprises a substrate 821 from top to bottom, one electrode pattern layer 823, one levelling blankets 827.

Adopt the substrate 821 of nano-silver thread conductive layer 805 materials to be coated on after substrate 821 upper surfaces, by apply levelling blanket 827 on substrate 821, and after rolling technology is processed, thereby can make the overlap joint area between nano-silver thread 801 increase the conductance of raising nano-silver thread 801 and reach good surface smoothness.Described levelling blanket 827 is positioned at above electrode pattern layer 823, or preferred, and electrode pattern layer 823 is partially submerged in levelling blanket 827 on thickness direction.Like this, by the setting of levelling blanket 827, can make the overlap joint between nano-silver thread 801 become well, sheet resistance is reduced, thereby conductance is effectively ensured.

The material of described levelling blanket 827 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, poly-3,4-ethylidene dioxy fen (P E D O T), etc. material or their combination in any.

Described levelling blanket 827 can be coated in by the form of fluid substrate 821 tops of nano-silver thread 801, and described fluid can comprise: water, ion or the solution that comprises ion, organic solvent, inorganic solvent or their combination in any.Include but not limited to: water, acetone, ethyl acetate, benzene, ethanol, toluene, sec-butyl acetate, butyl acetate etc. or their combination in any.Surfactant, spreading agent, stabilizing agent or bonding agent also can be included in fluid.

Levelling blanket 827 can be made up of the blooming of at least 2 layers, and wherein the refractive index of one deck blooming is 1.1-1.6, and the refractive index of another layer of blooming is 1.8-2.7, and under this refractive index, levelling blanket 827 can bring good light performance.The thickness of this levelling blanket is 10 μ m-300 μ m.

It is upper outside that levelling blanket 827 is coated on substrate 821 divided by fluid form, it can be also the form of solid film, be that 827 of levelling blankets can be by being directly covered in substrate 821 tops to the form of solid film heating roll extrusion, at this moment the material of levelling blanket 827 includes but not limited to: polyvinyl butyral (PVB), polyvinyl alcohol (PVA) (PVA), polycarbonate (PC), polyethylene terephthalate (PET), polymethyl methacrylate (PMMA), viscose paper etc.Levelling blanket 827 also can be set between substrate 821 and electrode pattern layer 823.

Refer to Figure 18, in the utility model the tenth embodiment contact panel 86 and embodiment mono-to embodiment nine, the difference of arbitrary embodiment is only: the present embodiment arranges an optical match layer 869 at electrode pattern layer 863 lower surfaces, therefore contact panel 86 comprises a substrate 861 from top to bottom, one electrode pattern layer 863, one optical match layers 869.

There is certain mist degree problem in nano-silver thread 801, in order to make whole contact panel 86 reach best display effect, this variant embodiment arranges optical match layer 869 at electrode pattern layer 863 lower surfaces of contact panel 86, this optical match layer 869 is the blooming of one deck low-refraction, it can reduce the reflection of nano-silver thread, described low-refraction is that refractive index is less than 1.6, preferably 1.1～1.6.Optical match layer 869 can be organism or inorganics, or organic and inorganic mixed coating.For example Si oxide, chloro-fluoride, magnesium fluoride, silicon dioxide, lithium fluoride, sodium fluoride, magnesium oxide, silicate, polyurethane, the preferred refractive index of PMMA is 1.1,1.25,1.32,1.38,1.46,1.50,1.52.The optical film thickness of optical match layer 869 is for being less than or equal to 1/4 wavelength odd-multiple.Increase in the present embodiment after an optical match layer 869, the mist degree of described the first conductive electrode layer 863 can be reduced to 5% left and right, is preferably less than 3%, 2%, 1.5%.

When described optical match layer 869 is arranged on electrode pattern layer 863 lower surface, it can be used as protective seam, prevents nano-silver thread oxidation, and corrosion etc. is directly exposed to outer series of problems.Optical match layer 869 is interchangeable with electrode pattern layer 863 positions.

Refer to Figure 19, in the utility model the 11 embodiment contact panel 88 and embodiment mono-to embodiment seven, the difference of arbitrary embodiment is only: this embodiment is provided with an adhesion promoting layer 885 between 881 second 882 of substrates and electrode pattern layer 883, be provided with a levelling blanket 887 and optical match layer 889 at the lower surface of electrode pattern layer 883, levelling blanket 887 is between optical match layer 889 and electrode pattern layer 883.

In addition, adhesion promoting layer 885 and/or levelling blanket 887 can be also optical match layers 889, have characteristic and the effect of optical match layer 889.In fact, production firm can be as required from adhesion promoting layer 885, and levelling blanket 887 is selected one and selected or multiple combining selected in optical match layer 889.Adhesion promoting layer 885, levelling blanket 887, optical match layer 889 respectively with embodiment eight, nine, the adhesion promoting layer 85 in ten, levelling blanket 827, the beneficial effect of optical match layer 869 is basic identical.

Refer to Figure 20, in the utility model the 12 embodiment contact panel 90 and embodiment mono-to embodiment 11, the difference of arbitrary embodiment is only: this contact panel 90 comprises a cover plate 91, electrode pattern layer 93 and a substrate 94, substrate 94 comprises first surface 911 and second 912, this electrode pattern layer 93 is formed on 94 second 912 of substrates, between 94 second 912 of substrates and cover plate 91, fit tightly by laminating layer 92, electrode pattern layer 93 is between substrate 94 and cover plate 91.The inventive point of other embodiment is all applicable to the present embodiment.In this embodiment distortion, can be also that the first surface 911 of this substrate 94 fits tightly by laminating layer 92 with cover plate 91, substrate 94 is between cover plate 91 and electrode pattern layer 93.

The foregoing is only the utility model preferred embodiment, not in order to limit the present invention, all any amendments of doing within the utility model principle, are equal to and replace and within improvement etc. all should comprise protection domain of the present utility model.

Claims

1. a contact panel, it is characterized in that, this contact panel comprises: a substrate and an electrode pattern layer, this substrate has first surface and second, electrode pattern layer is arranged at second of described substrate, and described electrode pattern layer comprises multiple the first electrode arrays and multiple the second electrode array, and described the first electrode array and described the second electrode array are for detection of multi-point touch, and be nano-silver thread conductive layer, between described the first electrode array and described the second electrode array without overlapping region.

2. contact panel as claimed in claim 1, is characterized in that: the first electrode array and the complementation of the second electrode array or alternate setting.

3. contact panel as claimed in claim 1, it is characterized in that: the second electrode array and the first electrode array include a string wiring and multiple branch line, multiple branch lines are positioned at serial connection line homonymy and are connected with serial connection line, branch line on the second electrode array and the first electrode array is both be connected in series between line at this, and the branch line on the branch line on the second electrode array and the first electrode array is staggered.

4. contact panel as claimed in claim 3, is characterized in that: this branch line comprises multiple terminals.

5. contact panel as claimed in claim 1, is characterized in that: on one first electrode array or one second electrode array, be provided with many sub-electrodes, between sub-electrode, be electrically connected.

6. contact panel as claimed in claim 1, is characterized in that: described substrate is cover plate, and the first surface of described cover plate is touch control operation face.

7. contact panel as claimed in claim 1, is characterized in that: more comprise a cover plate, described substrate is between described cover plate and described electrode pattern layer, or electrode pattern layer is between described cover plate and substrate.

8. contact panel as claimed in claim 1, it is characterized in that: electrode pattern layer further comprises the first cabling and the second cabling, the first electrode array is connected to flexible PCB by the first cabling, the second electrode array is connected to flexible PCB by the second cabling, and the first cabling and the second cabling are nano-silver thread conductive layer.

9. contact panel as claimed in claim 1, it is characterized in that: described nano-silver thread conductive layer comprises a 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 nano-silver thread conductive layer is 10nm-5um, sheet resistance is for being less than 100ohm/sq, the line length of every nano-silver thread in described many nano-silver threads is between 20-50 μ m, and wire diameter is less than 50nm, and length breadth ratio is greater than 400.

10. the contact panel as described in any one as described in claim 1-9, it is characterized in that: in electrode pattern layer both sides, adhesion promoting layer can be set, levelling blanket, one or more layers among optical match layer, adhesion promoting layer, levelling blanket, among optical match layer two or three layers can be arranged on homonymy or the heteropleural of electrode pattern layer, optical match layer, and between adhesion promoting layer and levelling blanket three, position is interchangeable, wherein, described levelling blanket thickness is 10 μ m-300 μ m.