CN203930764U - Nano-silver thread conductive laminate structure and contact panel - Google Patents
Nano-silver thread conductive laminate structure and contact panel Download PDFInfo
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- CN203930764U CN203930764U CN201420312071.0U CN201420312071U CN203930764U CN 203930764 U CN203930764 U CN 203930764U CN 201420312071 U CN201420312071 U CN 201420312071U CN 203930764 U CN203930764 U CN 203930764U
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Abstract
A contact panel, it adopts a kind of nano-silver thread conductive laminate structure, and this nano-silver thread conductive laminate structure comprises a base material, and a nano-silver thread conductive electrode layer is arranged at described base material top, and a stickability protective seam.This stickability protective seam is arranged on described nano-silver thread conductive electrode layer, comprises transparent sticky material and transparent dielectric material.Adopt the contact panel of this nano-silver thread conductive laminate structure to be more suitable for now for the lightening demand of product, and its manufacture method is also simplified very much.
Description
[technical field]
The utility model 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.
Follow in recent years contact panel in the rapid emergence of communications industry, flourish in mobile communication industry particularly, contact panel becomes the first-selected product of imaging display apparatus now at one stroke.The contact panel that utilization rate is the highest is mainly electric resistance touch-control panel and capacitance type touch-control panel, but user for controllability, the consideration of ease for use and appearance, can select capacitance type touch-control panel as its best preferred unit mostly.
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 the progressively increase along with contact panel size, while being particularly applied to 15 cun of above panels, 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, cannot guarantee electric conductivity that large touch panel is good and enough sensitivity, also cannot be applicable to the constantly development trend of 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, a little less than ito thin film is highly brittle, though also very easy destroyed in the bending that runs into less physical stress, under the tide of the emerging produce market therefore emerging gradually at wearable device, ITO material can not be dealt with the demand in market as conductive electrode, will be eliminated gradually.
Just because of this, industrial community is being devoted to develop the equivalent material of ITO always, the equivalent material that is at present developed gradually and applies comprises nano-silver thread (Silver Nano Wires is called for short SNW), metal grill (Metal Mesh), carbon nano-tube, Organic Conductive Films and Graphene etc.
Wherein SNW is a kind of of the current comparatively maturation of many ITO equivalent material.Nano-silver thread has the good electric conductivity of silver, due to the size effect of its Nano grade, makes it have excellent light transmission and flexible resistance simultaneously, therefore can be used as and preferably substitutes ITO as the material of touch-control electrode.
On the nesa coating of the ITO material of tradition 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; bonding by optical cement between common and surperficial overlay or other contact panel elements; meanwhile, some problems that exist as conductive material in order to overcome nano-silver thread, can add some functional layers conventionally; such touch-control rhythmo structure is thicker, and the frivolous direction that changes into consistent pursuit of current contact panel.
[utility model content]
For overcoming the thickness problem of present contact panel, the utility model provides the nano-silver thread conductive laminate structure that a kind of thickness is lower and adopts the contact panel of this nano-silver thread conductive laminate structure.
The technical scheme providing is provided the utility model: a kind of nano-silver thread conductive laminate structure is provided; it comprises a base material; one nano-silver thread conductive electrode layer; be arranged at described base material upper surface; an and 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, the stickability protective seam that described stickability protective seam is semi-harden or pansclerosis.
Preferably, described transparent sticky material comprises photonasty sticker and/or thermosetting sticker, and described dielectric material is pi, silicon dioxide, nitrogen Si oxide, epoxy resin, the combination in any of any one of acrylic polymkeric substance or above-mentioned material.
Preferably, described nano-silver thread conductive laminate structure further comprises that one is arranged at the release layer on described stickability protective seam.
Preferably, described nano-silver thread conductive laminate structure further comprises an optical match layer, and described optical match layer is positioned at optional position, base material top.
Preferably the thickness of described nano-silver thread conductive electrode layer is 10nm-5um, described nano-silver thread conductive electrode layer comprises nano-silver thread and matrix, wherein said nano-silver thread embeds in matrix at least partly, and the line length of described nano-silver thread is between 20 μ m-50 μ m, and wire diameter is less than or equal to 50nm.
Another technical scheme providing is provided the utility model: a kind of nano-silver thread contact panel is provided; 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; an and 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 is bonding by stickability protective seam and nano-silver thread conductive laminate structure.
Preferably, further comprise one second conductive electrode layer, the second described conductive electrode layer is formed on cover plate on the surface of described stickability protective seam, and the electrode material of the second described conductive electrode layer is nano-silver thread or ITO.
Compared with prior art, the utility model nano-silver thread conductive laminate structure and adopt the contact panel of this nano-silver thread conductive laminate structure to adopt SNW to 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 owing to adopting nano-silver thread as conductive material, because nano-silver thread exists overlap joint bad, flatness is poor, the problem that reflecting rate is higher, need correspondence that many functional layers are set, between contact panel element, need to introduce bonding coat bonding simultaneously, thereby make contact panel thickness thicker, and the lightening of contact panel pursued by industry always, for preventing that conductive material from exposing, cause series of problems, protective seam is set conventionally with protection conductive material, by stickability protective seam is provided, 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 comprised of mixed materials, can match with the refractive index of the upper and lower functional layer of stickability protective seam by unlike material is arranged in pairs or groups, realize the reduction to nano-silver thread mist degree.
[accompanying drawing explanation]
Fig. 1 is that nano-silver thread conductive electrode layer is distributed in the cross section structure schematic diagram on base material.
Fig. 2 is that nano-silver thread conductive electrode layer is distributed in the floor map on base material.
Fig. 3 is the cutting plane blast structural drawing of the utility model the first embodiment nano-silver thread conductive laminate structure.
Fig. 4 is the utility model the second embodiment nano-silver thread conductive laminate construction manufacturing method process flow diagram.
Fig. 5 is the cutting plane blast structural drawing of the utility model the 3rd embodiment nano-silver thread rhythmo structure.
Fig. 6 is the utility model the 4th embodiment nano-silver thread contact panel cutting plane blast structural drawing.
Fig. 7 is the distressed structure cutting plane blast structural drawing of the utility model the 4th embodiment nano-silver thread contact panel.
Fig. 8 is the utility model the 5th embodiment nano-silver thread contact panel cutting plane blast structural drawing.
Fig. 9 is the distressed structure cutting plane blast structural drawing of the utility model the 5th embodiment nano-silver thread contact panel.
Figure 10 is the utility model the 6th embodiment nano-silver thread contact panel cutting plane blast structural drawing.
Figure 11 is that the utility model the 7th embodiment adopts the touch-control of nano-silver thread conductive laminate structure to show module cutting plane blast structural drawing.
[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 for explaining the utility model, and be not used in restriction the utility model.
Should be appreciated that, in following all embodiment, the position determiners such as upper and lower, left and right only limit 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 while being nano-silver thread, nano-silver thread has good transmittance and splendid electric conductivity, can be good at applying to the conductive electrode of contact panel.
Refer to Fig. 1 and Fig. 2, be that nano-silver thread conductive electrode layer 805 is distributed in the schematic diagram on base material 807, it comprises base material 807 and is produced on the nano-silver thread conductive electrode layer 805 on base material 807, nano-silver thread conductive electrode layer 805 comprises matrix 803 and is embedded in the many nano-silver threads 801 in matrix 803, and base material 807 is generally transparent insulation material.The line length of nano-silver thread 801 is 10um-300 μ m, preferred 20um-100 μ m, best its length 20um-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, is preferably greater than 50, more preferably greater than 100.
The thickness of nano-silver thread conductive electrode layer 805 is 10nm-5 μ m, is preferably 20nm-1 μ m, and 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 volatilization, 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 to avoid 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 specific solvent and the aaerosol 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 matrix 803 materials to adjust the optical characteristics of nano-silver thread conductive electrode 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.
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 that, by the number percent of the incident light of medium transmission, the transmittance of nano-silver thread conductive electrode layer 805 is at least 88%, even can be up to 91%-95%.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 the unevenness of the imbedded particle in surfaceness and medium or component causes typically.In embodiment of the present utility model, the mist degree of nano-silver thread conductive electrode layer 805 can not surpass 5%, even can reach and be no more than 3%-1.5%.
Refer to Fig. 3; the utility model the first embodiment 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 any both compounds of polyurethane (PU) or Polyvinylchloride (PVC).
The thickness of described nano-silver thread conductive electrode layer 805 is 10nm-5 μ m, sheet resistance is 0-100ohm/s q, described nano-silver thread conductive electrode layer 805 comprises matrix 803 and nano-silver thread 801, described matrix 803 is the material after the evaporation of organic solution and/or inorganic solution, further comprises any one or above-mentioned combination in any of surfactant, spreading agent, stabilizing agent or bonding agent.
Described stickability protective seam 106 is for the protection of nano-silver thread 801, prevents that nano-silver thread 801 surfaces are 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 that is suitable for lithography process, for example, and the photoresist that the polyacrylate that can absorb ultraviolet wavelength is or the photoresist of other light solidity.
The material of described thermosetting sticker 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%; be that in sticky material, 35%～80% crosslinkable functional group of compound produces cross-linking reaction, make sticky material produce viscosity.Semi-harden 35%～80% generation cross-linking reaction that refers to the crosslinkable functional group that stickability protective seam 106 is contained of stickability protective seam 106, makes stickability protective seam 106 produce viscosity.And pansclerosis refers to that sticky material or the contained crosslinkable functional group's of stickability protective seam 106 80%～100% produces cross-linking reaction, preferably, reaction conversion ratio reaches 90%～100%.
Described transparent dielectric material is any one or its combination of pi, silicon dioxide, nitrogen Si oxide, epoxy resin, acrylic polymkeric substance.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, can promote to a certain extent the bond strength of stickability protective seam 106 and cover plate or nano-silver thread conductive electrode layer 805 or base material 807.
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; can improve the compatibility of stickability protective seam 106 and other contact panel elements; and with respect 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.
The utility model nano-silver thread conductive laminate structure 10 can optionally further arrange a release layer (not shown) being positioned on this stickability protective seam 106; be provided with the nano-silver thread conductive laminate structure 10 of described release layer by the adhesion strength of this stickability protective seam 106 of being more convenient for transporting and maintaining in packing; if and remove this release layer, can carry out next stage technique.
Because described stickability protective seam 106 sticky materials comprise photonasty sticker or thermosetting sticker.Can optionally in any stage, this stickability protective seam 106 be heat-treated or be exposed, make the semi-harden and even pansclerosis of this thermosetting sticker or photonasty sticker, thereby make the semi-harden and even pansclerosis of whole stickability protective seam 106.But the degree of sclerosis is determined according to material itself or is optionally adjusted.Because described stickability protective seam 106 sticky materials comprise photonasty sticker and thermosetting sticker.Can be before photonasty sticker exposure, during or process afterwards this protective seam, 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 that is provided with protective seam and other contact panel combination of elements; layer of transparent optical cement need to be set in addition; described stickability protective seam 106 has viscosity, without transparent optical cement is set in addition again, is more conducive to the lightening of contact panel.
General protective seam compared to single material; the stickability protective seam 106 being formed by mixed materials; it can pass through the collocation of different refractivity material; the contact panel that adapts to different demands; particularly, by regulating the refractive index of stickability protective seam 106, make its refractive index and be located thereon, the refractive index of lower structure matches; can improve the transmittance of contact panel, improve the problem of contact panel bad order.For example, the rate that the is refracted as n l of nano-silver thread conductive electrode layer 805, the refractive index of stickability protective seam 106 is nf, and the refractive index of base material 807 is nt, and n l is greater than nf and is less than nt, and the product of the better nf of approximating and nt is opened radical sign.
In another distressed structure, described base material 807 is touched 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 metallic conduction lead-in wire (not shown) of nano-silver thread conductive electrode layer 805 peripheries, certainly, conductive lead wire also can adopt transparent conductive lead wire, now without the periphery at base material 807, decorative layer is set.The nano-silver thread conductive laminate structure of this distressed structure is follow-up when showing the laminating of module (not shown), only needs to adopt stickability protective seam 106 as bonding coat, without the optical bonding layer arranging in addition again in conventional art.
Refer to Fig. 4, the utility model the second embodiment 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 S11, base material 807 is made for transparent insulation material, for nano-silver thread conductive laminate structure 10 provides support.
In step S12, configure nano-silver thread solution, the method that adopts fluid coating by nano-silver thread solution coat on base material 807, take slit type coating as example, by adjusting distance, transfer rate and the pump charging of width, nozzle and the roller of crack, obtain wet nano-silver thread conductive electrode layer 805.
The method of described fluid coating is selected from the combination in any of following any or they: ink-jet, broadcast sowing intaglio printing, letterpress, flexo, nano impression, serigraphy, Meyer bar or scraper for coating, slit type coating (slot diecoating), rotary coating, pin is painted (stylus plotting), the coating of bar seam, flow coat.
In step S13, after dielectric material is evenly mixed with sticky material, 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; described in the utility model the 3rd embodiment nano-silver thread conductive laminate structure 30 and the first embodiment, nano-silver thread conductive laminate structure 10 is basic identical; difference is; at stickability protective seam 306 upper surfaces, add one deck optical match layer 305; the 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, stickability protective seam 306 belows 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, is preferably 1.1～1.6, and 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.Si oxide for example, 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.For example: 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, cylinder coating, the coating of line rod, any of dip coated.
Due to nano-silver thread 801 during as the conductive material of nano-silver thread conductive electrode layer 805, its mist degree problem need to overcome, increase in the present embodiment after an optical match layer 305, the mist degree of described nano-silver thread conductive electrode layer 805 can be reduced to 5% left and right, 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 base material 807 tops.
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 mutually alternately superpose and form by low-refraction blooming, high index of refraction blooming, its thickness be the odd-multiple of 1/4 wavelength.
Refer to Fig. 6; the utility model the 4th embodiment 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, one nano-silver thread conductive electrode layers 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 compounds 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; the utility model the 5th embodiment nano-silver thread contact panel 50 comprises cover plate 509; the 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, one nano-silver thread conductive electrode layers 805 and a stickability protective seam 5036.Described the second conductive electrode layer 506 takes shape in cover plate 509 and differs from operating surface one 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, the utility model the 6th embodiment nano-silver thread contact panel 60 comprises a cover plate 609 and the first nano-silver thread conductive laminate structure 603, the second nano-silver thread conductive laminate structure 605, described the first nano-silver thread conductive laminate structure 603, the second nano-silver thread conductive laminate structure 605 is the nano-silver thread conductive laminate structure described in the first embodiment, described the first nano-silver thread conductive laminate structure 603 comprises the first base material 8071, the first nano-silver thread conductive electrode layer 8051 and the first stickability protective seam 6036, described the second nano-silver thread conductive laminate structure 605 comprises the second base material 8073, the second nano-silver thread conductive electrode layer 8053 and the second stickability protective seam 6056.The first nano-silver thread conductive laminate structure 603, the second nano-silver thread conductive laminate structure 605 are bonding by the first stickability protective seam 6036, and described cover plate 609 is bonding by the second stickability protective seam 6056 and the second nano-silver thread conductive laminate structure 605.
In other distressed structure, the first nano-silver thread conductive laminate structure 603, the second nano-silver thread conductive laminate structure 605 can also be the nano-silver thread with optical match layer described in the 3rd embodiment layer by layer stack structure or 603,605 one of them be the nano-silver thread with optical match layer described in the 3rd embodiment stack structure layer by layer.
Refer to Figure 11, the utility model the 7th embodiment is applied to touch control display apparatus 100 by nano-silver thread conductive laminate structure 10.This nano-silver thread conductive laminate structure 10 is entirely fitted in and shows on module, for example, and while being used on LCD demonstration module, below nano-silver thread conductive laminate structure 10, be disposed with polaroid 1001, upper base material 1003, liquid crystal layer 1005, lower base material 1007, lower polaroid 1009.Except being used in LCD, show that module is upper outside, can also be used in plasma and show on module, on Color flat panel display module, on optoelectronic device and similar products.
Compared with prior art, the utility model nano-silver thread conductive laminate structure and adopt the contact panel of this nano-silver thread conductive laminate structure to adopt SNW to 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 owing to adopting nano-silver thread as conductive material, because nano-silver thread exists overlap joint bad, flatness is poor, the problem that reflecting rate is higher, need correspondence that many functional layers are set, between contact panel element, need to introduce bonding coat bonding simultaneously, thereby make contact panel thickness thicker, and the lightening of contact panel pursued by industry always, for preventing that conductive material from exposing, cause series of problems, protective seam is set conventionally with protection conductive material, by stickability protective seam is provided, 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 comprised of mixed materials, can match with the refractive index of the upper and lower functional layer of stickability protective seam by unlike material is arranged in pairs or groups, realize the reduction to nano-silver thread mist degree.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all any modifications of doing within principle of the present utility model, are equal to and replace and within improvement etc. all should comprise protection domain of the present utility model.
Claims (10)
1. a nano-silver thread conductive laminate structure, is characterized in that, comprising:
One base material,
One nano-silver thread conductive electrode layer, is arranged at described base material upper surface, and
One stickability protective seam, is arranged at described nano-silver thread conductive electrode layer upper surface, and described stickability protective seam comprises transparent sticky material and transparent dielectric material.
2. nano-silver thread conductive laminate structure as claimed in claim 1, is characterized in that: described transparent dielectric material is nano-scale particle, and 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: the stickability protective seam that described stickability protective seam is semi-harden or pansclerosis.
5. nano-silver thread conductive laminate structure as claimed in claim 1, it is characterized in that: described transparent sticky material comprises photonasty sticker and/or thermosetting sticker, described dielectric material is pi, silicon dioxide, nitrogen Si oxide, epoxy resin, the combination in any of any one of acrylic polymkeric substance or above-mentioned material.
6. nano-silver thread conductive laminate structure as claimed in claim 1, is characterized in that: further comprise that one is arranged at the release layer on this stickability protective seam.
7. nano-silver thread conductive laminate structure as claimed in claim 1, is characterized in that: further comprise an optical match layer, described optical match layer is positioned at optional position, base material top.
8. nano-silver thread conductive laminate structure as claimed in claim 1, it is characterized in that: the thickness of described nano-silver thread conductive electrode layer is 10nm-5um, 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 μ m-50 μ m, and wire diameter is less than or equal to 50nm.
9. a nano-silver thread contact panel, is characterized in that, comprising:
One cover plate, and
Nano-silver thread conductive laminate structure as described in claim 1-8 any one,
Described cover plate is bonding by stickability protective seam and nano-silver thread conductive laminate structure.
10. nano-silver thread contact panel as claimed in claim 9; it is characterized in that: further comprise one second conductive electrode layer; the second described conductive electrode layer is formed on cover plate on the surface of described stickability protective seam, and 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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| CN201420312071.0U CN203930764U (en) | 2014-06-12 | 2014-06-12 | Nano-silver thread conductive laminate structure and contact panel |
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| CN201420312071.0U CN203930764U (en) | 2014-06-12 | 2014-06-12 | Nano-silver thread conductive laminate structure and contact panel |
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| CN203930764U true CN203930764U (en) | 2014-11-05 |
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| CN201420312071.0U Active CN203930764U (en) | 2014-06-12 | 2014-06-12 | Nano-silver thread conductive laminate structure and contact panel |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105446555A (en) * | 2014-06-12 | 2016-03-30 | 宸鸿科技(厦门)有限公司 | Nanometer silver line conductive stacked structure and touch control panel |
| TWI585632B (en) * | 2014-12-31 | 2017-06-01 | 業成光電（深圳）有限公司 | Touch display device |
| CN110333793A (en) * | 2019-05-09 | 2019-10-15 | 业成科技（成都）有限公司 | Flexible touch-control structure |
| CN106325577B (en) * | 2015-06-28 | 2023-07-25 | 宸鸿科技(厦门)有限公司 | Touch device and manufacturing method thereof |
-
2014
- 2014-06-12 CN CN201420312071.0U patent/CN203930764U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105446555A (en) * | 2014-06-12 | 2016-03-30 | 宸鸿科技(厦门)有限公司 | Nanometer silver line conductive stacked structure and touch control panel |
| TWI585632B (en) * | 2014-12-31 | 2017-06-01 | 業成光電（深圳）有限公司 | Touch display device |
| CN106325577B (en) * | 2015-06-28 | 2023-07-25 | 宸鸿科技(厦门)有限公司 | Touch device and manufacturing method thereof |
| CN110333793A (en) * | 2019-05-09 | 2019-10-15 | 业成科技（成都）有限公司 | Flexible touch-control structure |
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