CN105446555A - Nanometer silver line conductive stacked structure and touch control panel - Google Patents
Nanometer silver line conductive stacked structure and touch control panel Download PDFInfo
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- CN105446555A CN105446555A CN201410260600.1A CN201410260600A CN105446555A CN 105446555 A CN105446555 A CN 105446555A CN 201410260600 A CN201410260600 A CN 201410260600A CN 105446555 A CN105446555 A CN 105446555A
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Abstract
A touch control panel employs a nanometer silver line conductive stacked structure; the nanometer silver line conductive stacked structure comprises a substrate, a nanometer silver line conductive electrode layer arranged on the substrate, and an adhesive protection layer arranged on the nanometer silver line conductive electrode layer; the adhesive protection layer comprises transparent adhesive material and transparent dielectric material; the touch control panel employing the nanometer silver line conductive stacked structure can satisfy present product thinning demands, and is very simple in making method.
Description
[technical field]
The present invention relates to a kind of conductive laminate structure, particularly a kind of nano-silver thread conductive laminate structure and adopt the contact panel of this nano-silver thread conductive laminate structure.
[background technology]
Touch control device is subject to the favor of telecommunications industry gradually because of advantages such as its convenient operation, imaging effect are good, function diversification, and is widely used on the products such as information system equipment, home appliance, communication apparatus, personal portable.
With contact panel in recent years in the rapid emergence of communications industry, flourish particularly in mobile communication industry, contact panel becomes the first-selected product of imaging display apparatus now at one stroke.Contact panel mainly electric resistance touch-control panel and the capacitance type touch-control panel that utilization rate is the highest, but user is for controllability, the consideration of ease for use and appearance, and capacitance type touch-control panel mostly can be selected as its best preferred unit.
In the capacitance type touch-control panel of traditional intelligence mobile phone, the material of touch control electrode is generally tin indium oxide (referred to as ITO).The transmittance of ITO is very high, and electric conductivity is better.But along with the progressively increase of contact panel size, when being particularly applied to the panel of more than 15 cun, the defect of ITO is more and more outstanding, wherein the most obvious defect is exactly that the surface resistance of ITO is excessive, expensive, the electric conductivity that large touch panel is good and enough sensitivity cannot be ensured, also cannot be applicable to the development trend of the continuous low priceization of electronic product.
In addition, in manufacture method, ITO originally needs vacuum chamber, higher depositing temperature and/or high annealing temperature to obtain high conductance, causes the integral manufacturing cost of ITO very expensive.And, ito thin film is very fragile, though running into less physical stress bending be also very easy to destroyed, under the tide of the emerging produce market therefore emerged gradually at wearable device, ITO material can not deal with the demand in market as conductive electrode, will be eliminated gradually.
Just because of this, industrial community is being devoted to the equivalent material developing ITO always, to be developed gradually at present and equivalent material apply comprises nano-silver thread (SilverNanoWires, abbreviation SNW), metal grill (MetalMesh), carbon nano-tube, Organic Conductive Films and Graphene etc.
Wherein SNW is the one that many ITO equivalent material are comparatively ripe at present.Nano-silver thread has the excellent electric conductivity of silver, simultaneously due to the size effect of its Nano grade, makes it have excellent light transmission and flexible resistance, therefore can be used as and preferably substitute the material of ITO as touch control electrode.
The nesa coating of the ITO material of conventional touch screen can make layer protective layer; for the protection of ITO layer; when this protective seam is applied to nano-silver thread contact panel; bonded by optical cement between usual and surperficial overlay or other contact panel elements; meanwhile, in order to overcome some problems that nano-silver thread exists as conductive material, usually some functional layers can be added; such touch-control rhythmo structure is thicker, and the frivolous direction changing into consistent pursuit of current contact panel.
[summary of the invention]
For overcoming the thickness problem of present contact panel, the invention provides the lower nano-silver thread conductive laminate structure of a kind of thickness and adopting the contact panel of this nano-silver thread conductive laminate structure.
The technical scheme that the present invention solves the problems of the technologies described above to be provided is: provide a kind of nano-silver thread conductive laminate structure; it comprises a base material; one nano-silver thread conductive electrode layer; be arranged at described base material upper surface; and a stickability protective seam; be arranged at described nano-silver thread conductive electrode layer upper surface, comprise transparent sticky material and transparent dielectric material.
Preferably, described transparent dielectric material is nano-scale particle, and this nano-scale particle is entrained in described transparent sticky material.
Preferably, in described stickability protective seam, transparent sticky material content is 20% ~ 98%.
Preferably, described stickability protective seam is semi-harden or the stickability protective seam of pansclerosis.
Preferably, described transparent sticky material comprises photonasty sticker and/or thermosetting sticker.
Preferably, described transparent dielectric material is pi, silicon dioxide, nitrogen Si oxide, epoxy resin, the combination in any of any one or above-mentioned material of acryl polymer.
Preferably, described nano-silver thread conductive laminate structure comprises one further and is arranged at release layer on described stickability protective seam.
Preferably, described nano-silver thread conductive laminate structure comprises an optical match layer further, and described optical match layer is positioned at optional position above base material.
Preferably, the thickness of described nano-silver thread conductive electrode layer is 10nm-5um.
Preferably, described nano-silver thread conductive electrode layer comprises nano-silver thread and matrix, and wherein said nano-silver thread embeds in matrix at least partly, and the line length of described nano-silver thread is between 20 μm-50 μm, and wire diameter is less than or equal to 50nm.
Another technical scheme that the present invention solves the problems of the technologies described above to be provided is: provide a kind of nano-silver thread contact panel; it comprises a cover plate and a nano-silver thread conductive laminate structure; this nano-silver thread conductive laminate structure comprises a base material; one nano-silver thread conductive electrode layer; be arranged at described base material upper surface; and a viscosity protective seam; be arranged at described nano-silver thread conductive electrode layer upper surface; comprise transparent sticky material and transparent dielectric material, described cover plate by stickability protective seam and nano-silver thread conductive laminate structure bonding.
Preferably, described nano-silver thread contact panel comprises one second conductive electrode layer further, and the second described conductive electrode layer is formed in cover plate towards on the surface of described stickability protective seam.
Preferably, the electrode material of the second described conductive electrode layer is nano-silver thread or ITO.
Compared with prior art, nano-silver thread conductive laminate structure of the present invention and adopt the contact panel of this nano-silver thread conductive laminate structure adopt SNW substitute ITO as conductive material, electric conductivity and reaction sensitivity are improved, especially in particularly evident to the lifting of sensitivity in the middle of large-sized contact panel.And during owing to adopting nano-silver thread as conductive material, because nano-silver thread existence overlap joint is bad, flatness is poor, the problem that reflecting rate is higher, need correspondence that many functional layers are set, need between contact panel element to introduce bonding coat bonding simultaneously, thus make contact panel thickness thicker, and contact panel is lightening always by industry is pursued, expose for preventing conductive material and cause series of problems, protective seam is set usually to protect conductive material, by providing stickability protective seam, the function of protective seam and bonding coat is united two into one, realize the lightening of nano-silver thread contact panel.And stickability protective seam is made up of mixed materials, by unlike material collocation, can match with the refractive index of the upper and lower functional layer of stickability protective seam, realize the reduction to nano-silver thread mist degree.
[accompanying drawing explanation]
Fig. 1 is the cross section structure schematic diagram that nano-silver thread conductive electrode layer is distributed on base material.
Fig. 2 is the floor map that nano-silver thread conductive electrode layer is distributed on base material.
Fig. 3 is the cutting plane detonation configuration figure of first embodiment of the invention nano-silver thread conductive laminate structure.
Fig. 4 is second embodiment of the invention nano-silver thread conductive laminate construction manufacturing method process flow diagram.
Fig. 5 is the cutting plane detonation configuration figure of third embodiment of the invention nano-silver thread rhythmo structure.
Fig. 6 is fourth embodiment of the invention nano-silver thread contact panel cutting plane detonation configuration figure.
Fig. 7 is the distressed structure cutting plane detonation configuration figure of fourth embodiment of the invention nano-silver thread contact panel.
Fig. 8 is fifth embodiment of the invention nano-silver thread contact panel cutting plane detonation configuration figure.
Fig. 9 is the distressed structure cutting plane detonation configuration figure of fifth embodiment of the invention nano-silver thread contact panel.
Figure 10 is sixth embodiment of the invention nano-silver thread contact panel cutting plane detonation configuration figure.
Figure 11 is the touch-control display module cutting plane detonation configuration figure that seventh embodiment of the invention adopts nano-silver thread conductive laminate structure.
[embodiment]
In order to make object of the present invention, technical scheme and advantage are clearly understood, below in conjunction with accompanying drawing and embodiment, are further elaborated to the present invention.Should be appreciated that specific embodiment described herein only for explaining the present invention, being not intended to limit the present invention.
Should be appreciated that, in following all embodiments, the position determiners such as upper and lower, left and right are only limitted to the relative position in given view, but not absolute position.
Silver is silvery white metal under general state, and is opaque material, and electric conductivity is splendid.And when being nano-silver thread, 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 conductive electrode layer 805 is distributed on base material 807, it nano-silver thread conductive electrode layer 805 comprising base material 807 and be produced on base material 807, the many nano-silver threads 801 that nano-silver thread conductive electrode layer 805 comprises matrix 803 and is embedded in matrix 803, base material 807 is generally transparent insulation material.The line length of nano-silver thread 801 is 10um-300 μm, preferred 20um-100 μm, its length 20um-50 μm best, the wire diameter of nano-silver thread 801 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.
The thickness of nano-silver thread conductive electrode layer 805 is 10nm-5 μm, and be preferably 20nm-1 μm, more excellent is 50nm-200nm.In certain embodiments, the refractive index of nano-silver thread conductive electrode layer 805 is 1.3-2.5, and more excellent is 1.35-1.8.
Matrix 803 refers to that nano-silver thread solution is being arranged on base material 807 through methods such as coatings, after heating, drying makes volatile material volatilize, stays the non-nano silver line material on base material 807.Nano-silver thread 801 scatters or embeds wherein, forms conductive network, and part nano-silver thread 801 is outstanding from matrix 803.Nano-silver thread 801 relies on matrix 803 to form nano-silver thread conductive electrode layer 805, and matrix 803 can protect nano-silver thread 801 from the impact of the external environments such as burn into wearing and tearing.
Nano-silver thread solution refers to, nano-silver thread 801 is dispersed in the aaerosol solution formed in specific solvent, and this solvent can be water, aqueous solution, organic solvent, inorganic solvent, solion, saline solns, supercritical fluid, oil or its potpourri etc.Also containing other adjuvant in this solvent, as spreading agent, surfactant, crosslinking chemical, wetting agent or thickening agent, but not as limit.
In addition, by selecting suitable matrix 803 material to adjust the optical characteristics of nano-silver thread conductive electrode layer 805, particularly haze issues is solved.Such as, matrix 803 can be adjusted to refractive index, component and certain thickness with expectation, can effectively reduce reflection loss, glare effects, mist degree.
The transmittance of nano-silver thread conductive electrode layer 805 or sharpness can limiting by following parameter quantitative: transmittance and mist degree.Transmittance refers to the number percent of the incident light by medium transmission, and the transmittance of nano-silver thread conductive electrode layer 805 is at least 88%, even can up to 91%-95%.Mist degree is light diffusing index, and mist degree refers in incident light to be separated and the number percent of light of scattering in the process of transmission.Transmittance is the character of light transmission medium to a great extent, often relevant with product unlike, mist degree with it, and caused by the unevenness of the imbedded particle in surfaceness and medium or component typically.The mist degree of nano-silver thread conductive electrode layer 805 more than 5%, even can not can reach and be no more than 3%-1.5% in an embodiment of the present invention.
Refer to Fig. 3; first embodiment of the invention nano-silver thread conductive laminate structure 10 comprises a base material 807; nano-silver thread conductive electrode layer 805 and stickability protective seam 106; nano-silver thread conductive electrode layer 805 is formed on base material 807, and stickability protective seam 106 is covered on nano-silver thread conductive electrode layer 805.
The material of base material 807 is glass, polyethylene terephthalate (PET), PI (polyimide), PC (polycarbonate), polymethylmethacrylate (PMMA), acryl, polyethersulfone (PES), acrylic nitrile-butadiene-styrene (ABS), polyamide (PA), polybenzimidazoles polybutylene (PB), polybutylene terephthalate (PBT), polyester (PE), polyetheretherketone (PEEK), polyetherimide (PEI), polyetherimide, tygon (PE), polystyrene (PS), teflon (PTFE), any one or its both compound arbitrarily of polyurethane (PU) or Polyvinylchloride (PVC).
The thickness of described nano-silver thread conductive electrode layer 805 is 10nm-5 μm, sheet resistance is 0-100ohm/sq, described nano-silver thread conductive electrode layer 805 comprises matrix 803 and nano-silver thread 801, described matrix 803 is the material after organic solution and/or inorganic solution evaporation, comprises any one or above-mentioned combination in any of surfactant, spreading agent, stabilizing agent or bonding agent further.
Described stickability protective seam 106, for the protection of nano-silver thread 801, prevents nano-silver thread 801 surface oxidized and electric conductivity is reduced.
The material of described stickability protective seam 106 comprises transparent sticky material and transparent dielectric material.Wherein, this sticky material is photonasty sticker and/or thermosetting sticker.
Described photonasty sticker can be the photoresist being suitable for lithography process, such as, and the photoresist of the polyacrylate system of Absorbable rod ultraviolet wavelength or the photoresist of other light solidity.
The material of described thermosetting sticker then comprises epoxy resin or other thermally cross-linkables and in the compatible material of photonasty sticker.
Described stickability protective seam 106 is the stickability protective seam 106 through sclerosis.Described sclerosis comprises semi-harden and pansclerosis; sticky material is semi-harden refers to that the reaction conversion ratio rate of sticky material in stickability protective seam 106 does not reach 80% ~ 100%; preferably reaction conversion ratio is 35% ~ 80%; namely in sticky material, 35% ~ 80% of compound crosslinkable functional group produces cross-linking reaction, makes sticky material produce viscosity.Stickability protective seam 106 is semi-harden refers to that 35% ~ 80% of the crosslinkable functional group contained by stickability protective seam 106 produces cross-linking reaction, makes stickability protective seam 106 produce viscosity.And pansclerosis refers to 80% ~ 100% generation cross-linking reaction of the crosslinkable functional group contained by sticky material or stickability protective seam 106, preferably, reaction conversion ratio reaches 90% ~ 100%.
Described transparent dielectric material be pi, silicon dioxide, nitrogen Si oxide, epoxy resin, acryl polymer any one or its combination.Described dielectric material is nano-scale particle, and this nano-scale particle is entrained in cohesive material, and preferably, this nano-scale particle is dispersed in adhesive material uniformly.Dielectric material adopts nano-scale particle, makes stickability protective seam 106 have good optical appearance.
Described dielectric material be selected from nano-silver thread conductive electrode layer 805 or with cover plate (not shown) or the material comparatively compatible with base material 807, the bond strength of stickability protective seam 106 and cover plate or nano-silver thread conductive electrode layer 805 or base material 807 can be promoted to a certain extent.
In described stickability protective seam 106, transparent sticky material content is 20% ~ 98%, and best transparent sticky material content is 75% ~ 95%.The dielectric material of suitable doping transparent; the compatibility of stickability protective seam 106 and other contact panel elements can be improved; and relative to the protective seam of the single dielectric material of prior art, suitable doping transparent sticky material can improve the clinging power of stickability protective seam 106 and other other panel components.
Nano-silver thread conductive laminate structure 10 of the present invention optionally can arrange one further and be positioned at release layer (not shown) on this stickability protective seam 106; the nano-silver thread conductive laminate structure 10 being provided with described release layer is transported being more convenient in packaging and maintains the adhesion strength of this stickability protective seam 106; as long as and remove this release layer, can next stage technique be carried out.
Because described stickability protective seam 106 sticky material comprises photonasty sticker or thermosetting sticker.Can optionally in any stage, this stickability protective seam 106 be heat-treated or be exposed, make this thermosetting sticker or photonasty sticker is semi-harden and even pansclerosis, thus make the semi-harden and even pansclerosis of whole stickability protective seam 106.But the degree of sclerosis is then determined according to material itself or is optionally adjusted.Because described stickability protective seam 106 sticky material comprises photonasty sticker and thermosetting sticker.Can before the exposure of photonasty sticker, period or this protective seam of aftertreatment, make this stickability protective seam 106 or thermosetting sticker wherein or photonasty sticker is semi-harden and even pansclerosis.
During compared to the general nano-silver thread conductive laminate structure being provided with protective seam and other contact panel combination of elements; need to arrange layer of transparent optical cement in addition; described stickability protective seam 106 has viscosity, without the need to arranging transparent optical cement in addition again, is more conducive to the lightening of contact panel.
Compared to the general protective seam of single material; the stickability protective seam 106 be made up of mixed materials; it is by the collocation of different refractivity material; adapt to the contact panel of different demand; specifically, by regulating the refractive index of stickability protective seam 106, making its refractive index and being located thereon, the refractive index of lower structure matches; the transmittance of contact panel can be improved, improve the problem of contact panel bad order.Such as, nano-silver thread conductive electrode layer 805 be refracted as rate n1, the refractive index of stickability protective seam 106 is nf, and the refractive index of base material 807 is that nt, n1 are greater than nf and are less than nt, and the product of better nf and the nt of approximating opens radical sign.
In another distressed structure, described base material 807 touches the interface of contact panel for user, its material is glass, tempered glass or sapphire glass, the periphery of this base material 807 is laid with decorative layer (not shown), described decorative layer is for covering the metal conductive leads (not shown) of nano-silver thread conductive electrode layer 805 periphery, certainly, conductive lead wire also can adopt transparent conductive lead wire, now without the need to arranging decorative layer at the periphery of base material 807.The nano-silver thread conductive laminate structure of this distressed structure is follow-up when fit with display module (not shown), stickability protective seam 106 need be adopted as bonding coat, without the need to arranging the optical adhesive in conventional art more in addition.
Refer to Fig. 4, second embodiment of the invention provides the manufacture method of nano-silver thread conductive laminate structure 10, and the method comprises the following steps:
S11 a: base material 807 is provided;
S12: form nano-silver thread conductive electrode layer 805;
S13: form stickability protective seam 106;
In step s 11, base material 807 is made, for nano-silver thread conductive laminate structure 10 provides support for transparent insulation material.
In step s 12, configure nano-silver thread solution, the method of fluid coating is adopted to be coated on base material 807 by nano-silver thread solution, for slit type coating, obtain wet nano-silver thread conductive electrode layer 805 by adjusting the distance of the width of crack, nozzle and roller, transfer rate and pump charging.
The method of described fluid coating is selected from the combination in any of following any one or they: ink-jet, broadcasts sowing, intaglio printing, letterpress, flexo, nano impression, serigraphy, Meyer bar or scraper for coating, slit type coating (slotdiecoating), rotary coating, pin is painted (stylusplotting), the coating of bar seam, flow coat.
In step s 13, after dielectric material and sticky material Homogeneous phase mixing, coat the upper surface of nano-silver thread conductive electrode layer 805, after sclerosis, form stickability protective seam 106, stickability protective seam 106 is not oxidized for nano-silver thread 801.
Refer to Fig. 5; third embodiment of the invention nano-silver thread conductive laminate structure 30 is substantially identical with nano-silver thread conductive laminate structure 10 described in the first embodiment; difference is; one deck optical match layer 305 is added at stickability protective seam 306 upper surface; described optical match layer 305 of stating is formed by stacking by one deck low-refraction blooming and one deck high index of refraction blooming; for reducing the mist degree of nano-silver thread conductive laminate structure 30, below stickability protective seam 306, set gradually nano-silver thread conductive electrode layer 805 and base material 807.
Described low-refraction is that refractive index is less than 1.6, and be preferably 1.1 ~ 1.6, preferred refractive index is 1.1,1.25,1.32,1.38,1.46,1.50,1.52.The material of low-refraction can be organism and/or inorganics.Such as Si oxide, chloro-fluoride, magnesium fluoride, silicon dioxide, lithium fluoride, sodium fluoride, magnesium oxide, silicate, polyurethane, PMMA, PVA, PVP, organosilicon, fluoropolymer, the potpourri of acryl resin or acryl resin and silicon stone nano particle.
Described high index of refraction is that refractive index is greater than 1.8, preferably 1.8 ~ 2.7.Preferred refractive index is 1.8,1.85,2.0,2.2,2.4,2.7.The material of high index of refraction can be organism and/or inorganics.Such as: tantalum pentoxide, titanium oxide, niobium oxide, lead oxides, Zirconium oxide, zinc sulfide, polyimide, ZrO
2, Pb
5o
11, Ta
2o
5, niobium pentaoxide, titania, silica gel, acryl resin or titania nanoparticles.
The thickness of described optical match layer 305 is 1/4 wavelength odd-multiple.
The generation type of described optical match layer 305 is physical deposition, chemogenic deposit, vacuum coating, printing, spraying, flexo, nano impression, serigraphy, scraper for coating, rotary coating, bar-shaped coating, and cylinder is coated with, the coating of line rod, any one of dip coated.
During due to the conductive material of nano-silver thread 801 as nano-silver thread conductive electrode layer 805, its haze issues needs to overcome, after increasing by an optical match layer 305 in the present embodiment, the mist degree of described nano-silver thread conductive electrode layer 805 can be reduced to about 5%, preferably be less than 3%, 2%, 1.0%.
In other distressed structure, the position changeable of optical match layer 305, only need be positioned at above base material 807.
In other distressed structure, optical match layer 305 is one deck low-refraction optical film.Can also be that multilayer low-refraction blooming and high index of refraction blooming alternately superpose formation mutually by low-refraction blooming, high index of refraction blooming, its thickness be the odd-multiple of 1/4 wavelength.
Refer to Fig. 6; fourth embodiment of the invention nano-silver thread contact panel 40 comprises a cover plate 409; one nano-silver thread conductive laminate structure 403, described nano-silver thread conductive laminate structure 403 comprises base material 807, nano-silver thread conductive electrode layer 805 and a stickability protective seam 4036.Described cover plate 409 is bonding by stickability protective seam 4036 and nano-silver thread conductive laminate structure 403.
The material of described cover plate 409 is selected from any one or its both compound arbitrarily of glass, tempered glass, sapphire glass, polyetheretherketone, polyimide, polyethylene terephthalate, polycarbonate, polyethylene glycol succinate, polymethylmethacrylate.
Refer to Fig. 7, in another distressed structure, nano-silver thread conductive laminate structure 403 is nano-silver thread conductive laminate structure described in the 3rd embodiment; it comprises base material 807; nano-silver thread conductive electrode layer 805, stickability protective seam 4036, and optical match layer 4035.
Refer to Fig. 8; fifth embodiment of the invention nano-silver thread contact panel 50 comprises cover plate 509; second conductive electrode layer 506 and a nano-silver thread conductive laminate structure 503; described nano-silver thread conductive laminate structure 503 comprises base material 807, nano-silver thread conductive electrode layer 805 and a stickability protective seam 5036.Described second conductive electrode layer 506 takes shape in cover plate 509 and differs from operating surface side, and this second conductive electrode layer 506 is bonding by stickability protective seam 5036 and nano-silver thread conductive laminate structure 503, and its conductive electrode material is nano-silver thread.
In another distressed structure, the material of the second conductive electrode layer 506 is ITO, and the material of nano-silver thread conductive electrode layer 805 is nano-silver thread.
Refer to Fig. 9, in another distressed structure, nano-silver thread conductive laminate structure 503 is nano-silver thread conductive laminate structure described in the 3rd embodiment; it comprises base material 807; nano-silver thread conductive electrode layer 805, stickability protective seam 5036, and optical match layer 5035.
Refer to Figure 10, sixth embodiment of the invention nano-silver thread contact panel 60 comprises cover plate 609 and a first nano-silver thread conductive laminate structure 603, second nano-silver thread conductive laminate structure 605, described first nano-silver thread conductive laminate structure 603, second nano-silver thread conductive laminate structure 605 is the nano-silver thread conductive laminate structure described in the first embodiment, described first nano-silver thread conductive laminate structure 603 comprises the first base material 8071, first nano-silver thread conductive electrode layer 8051 and the first stickability protective seam 6036, described second nano-silver thread conductive laminate structure 605 comprises the second base material 8073, second nano-silver thread conductive electrode layer 8053 and the second stickability protective seam 6056.First nano-silver thread conductive laminate structure 603, second nano-silver thread conductive laminate structure 605 is bonded by the first stickability protective seam 6036, described cover plate 609 by the second stickability protective seam 6056 and the second nano-silver thread conductive laminate structure 605 bonding.
In other distressed structure, the first nano-silver thread conductive laminate structure 603, second nano-silver thread conductive laminate structure 605 can also be nano-silver thread multilayer laminated structure or 603,605 one of them the nano-silver thread multilayer laminated structure for the band optical match layer described in the 3rd embodiment of band optical match layer described in the 3rd embodiment.
Refer to Figure 11, nano-silver thread conductive laminate structure 10 is applied to touch control display apparatus 100 by seventh embodiment of the invention.This nano-silver thread conductive laminate structure 10 is fitted on display module entirely, such as, when being used on LCD display module, polaroid 1001 is disposed with, upper base material 1003, liquid crystal layer 1005 in the below of nano-silver thread conductive laminate structure 10, lower base material 1007, lower polaroid 1009.Except being used in LCD, to show module upper outside, can also be used on plasma display module, on Color flat panel display module, on optoelectronic device and similar products.
Compared with prior art, nano-silver thread conductive laminate structure of the present invention and adopt the contact panel of this nano-silver thread conductive laminate structure adopt SNW substitute ITO as conductive material, electric conductivity and reaction sensitivity are improved, especially in particularly evident to the lifting of sensitivity in the middle of large-sized contact panel.And during owing to adopting nano-silver thread as conductive material, because nano-silver thread existence overlap joint is bad, flatness is poor, the problem that reflecting rate is higher, need correspondence that many functional layers are set, need between contact panel element to introduce bonding coat bonding simultaneously, thus make contact panel thickness thicker, and contact panel is lightening always by industry is pursued, expose for preventing conductive material and cause series of problems, protective seam is set usually to protect conductive material, by providing stickability protective seam, the function of protective seam and bonding coat is united two into one, realize the lightening of nano-silver thread contact panel.And stickability protective seam is made up of mixed materials, by unlike material collocation, can match with the refractive index of the upper and lower functional layer of stickability protective seam, realize the reduction to nano-silver thread mist degree.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within principle of the present invention, equivalent replacement and improvement etc. all should comprise within protection scope of the present invention.
Claims (13)
1. a nano-silver thread conductive laminate structure, is characterized in that: comprise,
One base material,
One nano-silver thread conductive electrode layer, is arranged at described base material upper surface, and
One stickability protective seam, be arranged at described nano-silver thread conductive electrode layer upper surface, described stickability protective seam comprises transparent sticky material and transparent dielectric material.
2. nano-silver thread conductive laminate structure as claimed in claim 1, it is characterized in that: described transparent dielectric material is nano-scale particle, this nano-scale particle is entrained in described transparent sticky material.
3. nano-silver thread conductive laminate structure as claimed in claim 1, is characterized in that: in described stickability protective seam, transparent sticky material content is 20% ~ 98%.
4. nano-silver thread conductive laminate structure as claimed in claim 1, is characterized in that: described stickability protective seam is semi-harden or the stickability protective seam of pansclerosis.
5. nano-silver thread conductive laminate structure as claimed in claim 1, is characterized in that: described transparent sticky material comprises photonasty sticker and/or thermosetting sticker.
6. nano-silver thread conductive laminate structure as claimed in claim 1, is characterized in that: described transparent dielectric material is pi, silicon dioxide, nitrogen Si oxide, epoxy resin, the combination in any of any one or above-mentioned material of acryl polymer.
7. nano-silver thread conductive laminate structure as claimed in claim 1, is characterized in that: comprise one further and be arranged at release layer on described stickability protective seam.
8. nano-silver thread conductive laminate structure as claimed in claim 1, it is characterized in that: comprise an optical match layer further, described optical match layer is positioned at optional position above base material.
9. nano-silver thread conductive laminate structure as claimed in claim 1, is characterized in that: the thickness of described nano-silver thread conductive electrode layer is 10nm-5um.
10. nano-silver thread conductive laminate structure as claimed in claim 9, it is characterized in that: described nano-silver thread conductive electrode layer comprises nano-silver thread and matrix, wherein said nano-silver thread embeds in matrix at least partly, the line length of described nano-silver thread is between 20 μm-50 μm, and wire diameter is less than or equal to 50nm.
11. 1 kinds of nano-silver thread contact panels, is characterized in that: comprise,
One cover plate, and
Nano-silver thread conductive laminate structure as described in any one of claim 1-10,
Described cover plate by stickability protective seam and nano-silver thread conductive laminate structure bonding.
12. nano-silver thread contact panels as claimed in claim 11, is characterized in that: also comprise one second conductive electrode layer, and the second described conductive electrode layer is formed in cover plate towards on the surface of described stickability protective seam.
13. nano-silver thread contact panels as claimed in claim 12, is characterized in that, the electrode material of the second described conductive electrode layer is nano-silver thread or ITO.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410260600.1A CN105446555B (en) | 2014-06-12 | 2014-06-12 | Nano-silver thread conductive laminate structure and touch panel |
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| CN201410260600.1A CN105446555B (en) | 2014-06-12 | 2014-06-12 | Nano-silver thread conductive laminate structure and touch panel |
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| CN105446555A true CN105446555A (en) | 2016-03-30 |
| CN105446555B CN105446555B (en) | 2019-04-30 |
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| CN201410260600.1A Active CN105446555B (en) | 2014-06-12 | 2014-06-12 | Nano-silver thread conductive laminate structure and touch panel |
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| CN108447617A (en) * | 2018-02-02 | 2018-08-24 | 湖南兴威新材料有限公司 | A method of protection nano-silver thread transparent conductive film |
| CN108630339A (en) * | 2017-03-21 | 2018-10-09 | 宁波惠之星新材料科技有限公司 | Super soft low-resistance transparent conductive film of one kind and preparation method thereof |
| CN110083279A (en) * | 2019-05-07 | 2019-08-02 | 业成科技（成都）有限公司 | Transparent conductive material, touch-control structure and touch device |
| CN111171630A (en) * | 2020-01-19 | 2020-05-19 | 惠州达祺光电科技有限公司 | Preparation method of ink-jet printing patterned transparent conductive film |
| CN112731704A (en) * | 2020-12-31 | 2021-04-30 | 苏州思尔维纳米科技有限公司 | High-transmittance low-sheet-resistance liquid crystal display functional film and preparation method thereof |
| CN113821125A (en) * | 2021-11-22 | 2021-12-21 | 广东省科学院半导体研究所 | Touch substrate, preparation method thereof, touch module and display device |
| CN114385018A (en) * | 2020-10-20 | 2022-04-22 | 宸美（厦门）光电有限公司 | Contact structure, electronic device, and method of manufacturing contact structure |
| CN114698254A (en) * | 2020-12-31 | 2022-07-01 | 天材创新材料科技(厦门)有限公司 | Stacking structure and touch sensor |
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