CN203930767U - Nano-silver thread conductive laminate structure and capacitance type touch-control panel - Google Patents
Nano-silver thread conductive laminate structure and capacitance type touch-control panel Download PDFInfo
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- CN203930767U CN203930767U CN201420312222.2U CN201420312222U CN203930767U CN 203930767 U CN203930767 U CN 203930767U CN 201420312222 U CN201420312222 U CN 201420312222U CN 203930767 U CN203930767 U CN 203930767U
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- Laminated Bodies (AREA)
Abstract
The utility model relates to a kind of nano-silver thread conductive laminate structure, it comprises a base material, and a nano-silver thread conductive electrode layer is arranged at described base material top and a levelling blanket, this levelling blanket is arranged at nano-silver thread conductive electrode layer top, for increasing the flatness of nano-silver thread conductive electrode layer.While using nano-silver thread as conductive material, have the phenomenon of nano-silver thread perk, by levelling blanket is provided, the overlap joint between nano-silver thread is become well, sheet resistance is reduced, thereby conductance is effectively ensured.The utility model also provides a kind of capacitance type touch-control panel that adopts this nano-silver thread conductive laminate structure.
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 capacitance type touch-control panel of this nano-silver thread conductive laminate structure.
[background technology]
Follow in recent years contact panel in the rapid emergence of communications industry, particularly flourish in mobile communication industry, 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 along with the progressively increase of 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 ensure 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, even 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 has been unable to cope with the demand in market as conductive electrode and has been 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 the current the most ripe one 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 the material of ITO as conductive electrode.
While using SNW as the material of conductive electrode, inevitably also there will be some problems, such as nano-silver thread is coated on behind base material top, have no idea to tile uniformly and reasonable overlap joint, there is the phenomenon being upturned in nano-silver thread, make to overlap each other between nano-silver thread bad, and conductance is caused to larger impact.And conductance is to weigh an important indicator of contact panel performance, therefore overcomes the bad problem of conductance and become problem demanding prompt solution.
[utility model content]
For overcoming the problem that overlaps each other harmful effect conductance in nano-silver thread conductive laminate structure between nano-silver thread, the utility model provides a kind of capacitance type touch-control panel that has the nano-silver thread conductive laminate structure of good electrical conductivity and adopt this nano-silver thread conductive laminate structure.
The scheme that the utility model solves the problems of the technologies described above is to provide a kind of nano-silver thread conductive laminate structure.This nano-silver thread conductive laminate structure comprises: a base material, and a nano-silver thread conductive electrode layer, is arranged at described substrate surface, and a levelling blanket is arranged at described nano-silver thread conductive electrode layer and differs from described base material one side.
Preferably, the thickness of described levelling blanket is 10nm-300nm.
Preferably, the thickness of described nano-silver thread conductive electrode layer is 10nm-200nm, and sheet resistance is less than 100ohm/sq.
Preferably, described nano-silver thread conductive electrode layer comprises nano-silver thread and matrix, and nano-silver thread overlaps formation conductive network mutually, and wherein said nano-silver thread embeds in matrix at least partly.
Preferably, described nano-silver thread is contained in levelling blanket at least partly.
Preferably, described levelling blanket and nano-silver thread conductive electrode layer are realized mutually and being embedded on thickness direction.
Preferably, described levelling blanket is one deck blooming, and the refractive index of this blooming is 1.1-1.6.
Preferably, described levelling blanket comprises at least two-layer blooming, be formed by stacking by the mode of alternately stack by low-refraction blooming, high index of refraction blooming, wherein the refractive index of low-refraction blooming is 1.1-1.6, and the refractive index of high index of refraction blooming is 1.8-2.7.
The another technical scheme providing is provided the utility model: a kind of capacitance type touch-control panel is provided, comprise a cover plate, described cover plate is polaroid or glass or flexible parent metal, one glue-line, a touch-control circuit controller, and nano-silver thread conductive laminate structure, wherein, described glue-line connects cover plate and described nano-silver thread conductive laminate structure arbitrary, and described nano-silver thread conductive laminate structure is electrically connected at described touch-control circuit controller, realizes touch-control.
Preferably, described capacitance type touch-control panel further comprises any one or its combination in any of an adhesion promoting layer, an optical match layer, a quarter-wave retardation plate, described adhesion promoting layer is arranged between base material and nano-silver thread conductive electrode layer, described optical match layer is positioned at optional position, cover plate below, and described quarter-wave retardation plate is between cover plate and nano-silver thread conductive electrode layer.
Compared with prior art, the utility model nano-silver thread conductive laminate structure and adopt this nano-silver thread conductive laminate structure capacitance type touch-control panel 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 after adopting nano-silver thread as conductive electrode material, unavoidably there will be some problems, as nano-silver thread is upturned, nano-silver thread conductive laminate body structure surface flatness is exerted an influence, between nano-silver thread, only rely on intermolecular force to realize overlap joint, thereby have the bad problem that affects conductance of overlap joint, by levelling blanket being provided and carrying out certain PROCESS FOR TREATMENT, make overlap joint between nano-silver thread become line overlap joint and/or face overlaps from original some overlap joint, thereby making to overlap area increase conductance is effectively ensured, and the surface smoothness of nano-silver thread conductive laminate structure is greatly improved.Secondly the utility model capacitance type touch-control panel preparation method is simple, efficiency is high, cost is low.In the time that coating forms homogeneous film, there is certain technology difficulty in tradition nano-silver thread contact panel, the utility model nano-silver thread is coated with in several ways, realize inlaying of nano-silver thread, technique is more simple, and the photoelectric properties of the utility model capacitance type touch-control panel are good, light transmission rate is more than 90%, and sheet resistance is less than 100ohm/sq.
[brief description of the drawings]
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 structural representation that dissects of the utility model the first embodiment nano-silver thread conductive laminate structure.
Fig. 4 is the levelling blanket effect schematic diagram of the conductive laminate of nano-silver thread shown in Fig. 3 structure.
Fig. 5 is the structural representation that dissects of the utility model the second embodiment nano-silver thread conductive laminate structure.
Fig. 6 is the structural representation that dissects of the utility model the 3rd embodiment nano-silver thread conductive laminate structure.
Fig. 7 is the structural representation that dissects of the utility model the 4th embodiment capacitance type touch-control panel.
Fig. 8 is the structural representation that dissects of the utility model the 5th embodiment capacitance type touch-control panel.
Fig. 9 is the structural representation that dissects of the utility model the 6th embodiment capacitance type touch-control panel.
Figure 10 is the structural representation that dissects of the utility model the 7th condenser type embodiment contact panel.
Figure 11 is the structural representation that dissects of the utility model the 8th embodiment capacitance type touch-control panel.
Figure 12 is the structural representation that dissects of the utility model the 9th embodiment capacitance type touch-control panel.
Figure 13 is that the utility model the tenth embodiment adopts the touch-control that capacitance type touch-control panel is made to show module cutting plane blast structural drawing.
[embodiment]
Make the purpose of this utility model for realizing, 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.
Silver is in the time of nanoscale, and 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 1005 is distributed in the schematic diagram on base material 1007, it comprises base material 1007 and is produced on the nano-silver thread conductive electrode layer 1005 on base material 1007, nano-silver thread conductive electrode layer 1005 comprises matrix 1003 and is embedded in the many nano-silver threads 1001 in matrix 1003, nano-silver thread 1001 arrange wherein and mutually overlap joint form conductive network.The line length of nano-silver thread 1001 is 10um-300 μ m, be preferably 20um-100 μ m, optimum its length is 20um-50 μ m, the wire diameter of nano-silver thread 1001 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.Base material 1007 is generally transparent insulation material.
Nano-silver thread 1001 scatters or embeds in matrix 1003, forms conductive network.Nano-silver thread 1001 relies on matrix 1003 to form nano-silver thread conductive electrode layer 1005, and matrix 1003 can protect nano-silver thread 1001 not to be subject to the impact of the external environments such as burn into wearing and tearing.
Matrix 1003 refers to that nano-silver thread solution is being arranged on base material 1007 through methods such as coatings, after heating, drying makes volatile material volatilization, stays the non-nano silver line material on base material 1007.Nano-silver thread solution refers to, nano-silver thread 1001 is dispersed in specific solvent and the aaerosol solution forming, and this solvent can be water, aqueous solution, solion, saline solns, supercritical fluid, oil or its potpourri etc.In this solvent, also can contain other adjuvant, as spreading agent, surfactant, crosslinking chemical, stabilizing agent, wetting agent or thickening agent, but not as limit.
In addition, can, by selecting suitable matrix 1003 materials to adjust the optical characteristics of nano-silver thread conductive electrode layer 1005, particularly solve mist degree problem.For example, matrix 1003 can be adjusted into refractive index, component and certain thickness with expectation, can effectively reduce reflection loss, dazzle impact, mist degree.
The thickness of nano-silver thread conductive electrode layer 1005 is about 10nm-5 μ m, is preferably 20nm-1 μ m, and more excellent is 10nm-200nm.In certain embodiments, the refractive index of nano-silver thread conductive electrode layer 1005 is 1.3-2.5, and more excellent is 1.35-1.8.
But, because part nano-silver thread 1001 is not all contained in matrix 1003, cause part nano-silver thread 1001 outstanding perk from matrix 1003.And the overlap joint area between nano-silver thread 1001 is little, may cause overlapping bad, affect the conductance of its conductive network.
Refer to Fig. 3, the utility model the first embodiment nano-silver thread conductive laminate structure 10 comprises a base material 1007, one nano-silver thread conductive electrode layer 1005, an and levelling blanket 104, wherein, base material 1007 provides support for nano-silver thread conductive laminate structure 10, nano-silver thread conductive electrode layer 1005 is arranged on base material 1007, levelling blanket 104 is arranged at nano-silver thread conductive electrode layer 1005 tops, described nano-silver thread conductive electrode layer 1005 comprises nano-silver thread 1001 and matrix 1003, nano-silver thread 1001 mutually overlap joint forms conductive network, wherein said nano-silver thread 1001 embeds in matrix 1003 at least partly.
Described base material 1007 can be rigid substrate, as glass, tempered glass, sapphire glass, polaroid, optical filter, quarter-wave retardation plate, be preferably and there is flexual flexible parent metal, described flexible parent metal is acryl, polymethylmethacrylate (PMMA), acrylic nitrile-butadiene-styrene (ABS), polybutylene terephthalate (PBT), polycarbonate (PC) PFPE (PFPE), polyetheretherketone (PEEK), polyetherimide (PEI), polyethersulfone (PES), tygon (PE), polyethylene terephthalate (PET), polyimide amylene (PMP), polypropylene (PP), polystyrene (PS), polyurethane (PU) Polyvinylchloride (PVC), polyvinyl fluoride (PVF), any one or theys' combination in any.
The thickness of described levelling blanket 104 is 10nm-300nm.
The material of described levelling blanket 104 is high molecular polymer, insulating material, resin, transparent optical cement, oxide, transparent ink, class photoresistance etc.Include but not limited to: polyacetylene, polyaniline, polyarylene, polythiophene, Graphene, pentacene, gather (penylene acetylene) (PPE), gather (phenylene ethylene) (PPV), poly-(3, the fen of 4-ethylidene dioxy) (PEDOT), gather (styrene sulfonic acid) (PSS), poly-(3-hexyl thiophene), (P3HT), gather (3-octyl group thiophene) (P3OT), poly-(aryl ether sulfone), gather (C-61-butyric acid-methyl esters) (PCBM), poly-[2-methoxyl-5-(2-ethyl-own oxygen base)-1, 4-phenylene ethylene] (MEH-PPV), silicon nitride, silicon dioxide.
Described levelling blanket 104 is for increasing the flatness of nano-silver thread conductive electrode layer 1005, make the nano-silver thread 1001 being originally upturned fall after rise and overlap mutually with other nano-silver thread 1001, finally make the conductance of nano-silver thread conductive electrode layer 1005 get a promotion.And the part of the outstanding matrix 1003 of all nano-silver thread 1001 perks is all contained in levelling blanket 104, solve the be upturned impact of effects on surface flatness of nano-silver thread 1001, make nano-silver thread conductive laminate structure 10 easily and other touch control component fits.
The thickness of described nano-silver thread conductive electrode layer 1005 is 10nm-200nm, sheet resistance is less than 100ohm/sq, because the conductance of nano-silver thread conductive electrode layer 1005 is relevant with its thickness, thickness is less, sheet resistance is larger, conductance is lower, on nano-silver thread conductive electrode layer 1005 surfaces, one deck levelling blanket 104 is set, this levelling blanket 104 can ensure that nano-silver thread conductive electrode layer 1005 thickness are constant in the situation that, for strengthening the overlap joint between nano-silver thread 1001, thereby reduce sheet resistance, improve conductance.
Refer to Fig. 4, after nano-silver thread conductive electrode layer 1005 is coated on base material 1007, nano-silver thread 1001 can not tile and reasonable overlap joint equably, make flatness poor, simultaneously bad owing to overlapping each other between nano-silver thread 1001, the phenomenon that there will be nano-silver thread 1001 to be upturned.By apply levelling blanket 104 above nano-silver thread conductive electrode layer 1005, and after certain PROCESS FOR TREATMENT, can make the overlap joint area between nano-silver thread 1001 increase, overlap joint between nano-silver thread 1001 becomes line contact and/or face contact from a contact, overlap joint area increases 10%-50%, thereby effectively improve the conductance of nano-silver thread 1001 and reach good flatness, its conductance at least improves 10%, from sheet resistance, the sheet resistance of adding the rear nano-silver thread conductive electrode layer 1005 of levelling blanket 104 is reduced to and is less than 100ohm/sq.
The utility model also provides the manufacture method of the first embodiment nano-silver thread conductive laminate structure 10, and the method comprises the following steps:
S11 a: base material 1007 is provided;
S12: form nano-silver thread conductive electrode layer 1005 on base material 1007, and regulate uniform temperature oven dry to make it curing;
S13: form levelling blanket 104;
S14: levelling blanket 104 is applied to certain pressure;
In step S11, base material 1007 is transparent insulation material, for whole nano-silver thread conductive laminate structure 10 provides support.
In step S12, nano-silver thread conductive electrode layer 1005 applies with the form of nano-silver thread solution.The method of described coating comprises: ink-jet, broadcast sowing, and intaglio printing, letterpress, flexo, nano impression, serigraphy, Meyer bar or scraper for coating, rotary coating, pin are painted (stylus plotting), slit type coating, flow coat.When concrete enforcement, taking slit type coating as example, first configure nano-silver thread solution, after by nano-silver thread solution coat on base material 1007, obtain wet nano-silver thread conductive electrode layer 1005 by distance, transfer rate and the pump charging of width, nozzle and roller of adjusting crack.
After coated with nano silver line conductive electrode layer 1005, adjust the temperature to 140 DEG C, after solidifying completely, nano-silver thread conductive electrode layer 1005 applies again levelling blanket 104, i.e. step S13, and levelling blanket 104 can adopt the form of fluid to be coated in nano-silver thread conductive electrode layer 1005 tops.
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, phenolics, alkyd resin, NaOH, isopropyl ether (i-propyl ether), methyl ethyl ketone (or MEK), normal butyl alcohol, octane, pentane, pentanone, sherwood oil, phenol, propyl alcohol.Surfactant, crosslinking chemical, spreading agent, stabilizing agent or bonding agent also can be included in fluid.
Described fluid is applied to sputter, electrostatic spraying, reverse roll coating, groove type coating, Meyer rod (meyer rod) coating, spin coating, slit type coating, or their combination in any.
In step S14, it is post-processing approach that levelling blanket 104 is applied to certain pressure, after processing, makes thickness reduce 10%-60% compared with originally.
The method of processing is roller roll extrusion: nano-silver thread conductive laminate structure 10 obtained above is placed on a platform, roller roll extrusion, here can adjust by the spacing of adjusting roller and platform and pressure the gross thickness of described nano-silver thread conductive electrode layer 1005 and levelling blanket 104, this method is not only applicable to flexible parent metal but also be applicable to rigid substrate; Roller roll extrusion can be also roll-to-roll in another embodiment, can adjust by the distance between adjusting cylinder and roller and pressure the gross thickness of described nano-silver thread conductive electrode layer 1005 and levelling blanket 104 here, and this roll extrusion is generally only suitable for flexible parent metal.
In the process of processing, the temperature range of roller or platform is 50 DEG C-150 DEG C, according to the different temperature of the material different choice of levelling blanket 104 or base material 1007 and different calandrias, for example, base material 1007 is PET, and what levelling blanket 104 selected is PVB film, can select so the roller of close PVB film as calandria, be 60 DEG C-65 DEG C according to the softening temperature of PVB film, regulate near the roller temperature to 60 of PVB film DEG C-65 DEG C.
In another kind of deformation technique, the material of levelling blanket 104 itself is the form moulding by solid film.104 of levelling blankets can be by being directly covered in nano-silver thread conductive electrode layer 1005 tops to the form of solid film heating roll extrusion, and at this moment the material of levelling blanket 104 includes but not limited to: polyvinyl butyral (PVB), polyvinyl alcohol (PVA) (PVA), polycarbonate (PC), polyethylene terephthalate (PET), polymethyl methacrylate (PMMA), viscose paper.
Refer to Fig. 5, the utility model the second embodiment nano-silver thread conductive laminate structure 20 comprises a base material 1007, one nano-silver thread conductive electrode layer 1005, an and levelling blanket 204, nano-silver thread conductive electrode layer 1005 is arranged on base material 1007, and levelling blanket 204 is arranged at nano-silver thread conductive electrode layer 1005 tops.Described levelling blanket 204 is realized mutually and being embedded with nano-silver thread conductive electrode layer 1005 part on thickness direction.Nano-silver thread 1001 is interspersed in levelling blanket 204 and nano-silver thread conductive electrode layer 1005 joints, and the part of the outstanding matrix 1003 of all nano-silver thread 1001 perks is all contained in levelling blanket 204.
Technique is carried out in process, and after coated with nano silver line conductive electrode layer 1005, temperature-adjustable is to 0-80 DEG C, applies levelling blanket 204 until nano-silver thread conductive electrode layer 1005 after uncured or semi-solid preparation again.The structure forming is with different in the structure that curing nano silver line conductive electrode layer 1005 rear coating levelling blankets 204 form completely, after uncured or semi-solid preparation, apply levelling blanket 204, nano-silver thread conductive electrode layer 1005 has at least part to realize and the mutual embedding of levelling blanket 204 after treatment.
Refer to Fig. 6, for the nano-silver thread conductive laminate structure 30 of the utility model the 3rd embodiment comprises a base material 1007, one nano-silver thread conductive electrode layer 1005, one adhesion promoting layer 302 and a levelling blanket 304, described adhesion promoting layer 302 is arranged on base material 1007, and nano-silver thread conductive electrode layer 1005 is set thereon, levelling blanket 304 is arranged at nano-silver thread conductive electrode layer 1005 tops.Described adhesion promoting layer 302 is for strengthening the adhesion between nano-silver thread conductive electrode layer 1005 and base material 1007.
Refer to Fig. 7, the utility model the 4th embodiment capacitance type touch-control panel 40 comprises a cover plate 409, one glue-line 408, one nano-silver thread conductive laminate structure 403 and a touch-control circuit controller (not shown), described nano-silver thread conductive laminate structure 403 comprises base material 1007, nano-silver thread conductive electrode layer 1005 and levelling blanket 4034.Described glue-line 408 connects cover plate 409 upper and lower surface either sides and levelling blanket 4034 differs from nano-silver thread conductive electrode layer 1,005 one sides, and described nano-silver thread conductive laminate structure 403 is electrically connected at described touch-control circuit controller, realizes touch-control.Wherein, described cover plate 409 can be glass, polaroid, flexible parent metal once not as limit.
Refer to Fig. 8, the utility model the 5th embodiment capacitance type touch-control panel 50 and the 4th embodiment are basic identical, comprise a cover plate 509, one glue-line 508, one nano-silver thread conductive laminate structure 503 and a touch-control circuit controller (not shown), described nano-silver thread conductive laminate structure 503 comprises base material 1007, nano-silver thread conductive electrode layer 1005 and levelling blanket 5034.Difference is that described glue-line 508 connects cover plate 509 upper and lower surface either sides and base material 1007 differs from nano-silver thread conductive electrode layer 1,005 one sides.
Refer to Fig. 9, the utility model the 6th embodiment capacitance type touch-control panel 60 and the 4th embodiment are basic identical, comprise a cover plate 609, one glue-line 608, one nano-silver thread conductive laminate structure 603 and a touch-control circuit controller (not shown), difference is that nano-silver thread conductive laminate structure is similar described in described nano-silver thread conductive laminate structure 603 and the 3rd embodiment, comprises base material 1007, nano-silver thread conductive electrode layer 1005, adhesion promoting layer 6032 and levelling blanket 6034.Described glue-line 608 connects cover plate 609 upper and lower surface either sides and differs from nano-silver thread conductive electrode layer 1,005 one sides with levelling blanket 4034.
Refer to Figure 10, the utility model the 7th embodiment capacitance type touch-control panel 70 and the 4th embodiment are basic identical, comprise a cover plate 709, one glue-line 708, one nano-silver thread conductive laminate structure 703 and a touch-control circuit controller (not shown), described nano-silver thread conductive laminate structure 703 comprises base material 1007, nano-silver thread conductive electrode layer 1005 and levelling blanket 7034.Difference is that described levelling blanket 7034 is optical match layer simultaneously, has the effect of optical match layer, and it is total to two-layer blooming and is formed by stacking by low-refraction blooming 97, high index of refraction blooming 99.
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.
Described high index of refraction is that refractive index is greater than 1.8, is preferably 1.8～2.7, and preferred refractive index is 1.8,1.85,2.0,2.2,2.4,2.7.
The gross thickness of described blooming is 1/4 wavelength odd-multiple.
In other distressed structure, described levelling blanket 7034 can be also that independent one deck low-refraction blooming 97 forms, and its thickness is that the odd-multiple of 1/4 wavelength can be also to be superposeed and form by the mode alternately superposeing by multilayer low-refraction blooming 97, high index of refraction blooming 99.
In other distressed structure, optical match layer also can add in the middle of contact panel 70 as a functional layer separately, and its position can be cover plate 709 optional positions, below.
Refer to Figure 11; the utility model the 8th embodiment capacitance type touch-control panel 80 comprises a cover plate 809; one stickability protective seam 806; one nano-silver thread conductive laminate structure 803 and a touch-control circuit controller (not shown); described in described nano-silver thread conductive laminate structure 803 and the first embodiment, nano-silver thread conductive laminate structure is similar, comprises base material 1007, nano-silver thread conductive electrode layer 1005 and levelling blanket 8034.Described cover plate 809 is by the bonding nano-silver thread stepped construction 803 of stickability protective seam 806, and described nano-silver thread conductive laminate structure 803 is electrically connected at touch-control circuit controller.The material of described stickability protective seam 806 comprises transparent sticky material and transparent dielectric material.Described stickability protective seam 806 is for the protection of nano-silver thread conductive electrode layer 1005, prevents that nano-silver thread 1001 surfaces are oxidized and electric conductivity reduces.
The sticky material of described stickability protective seam 806 is photonasty sticker and/or thermosetting sticker.
Described dielectric material is to be selected from and levelling blanket 8034 or the material comparatively compatible with cover plate 809, base material 1007, can promote to a certain extent stickability protective seam 806 and levelling blanket 8034 or the bond strength with cover plate 809, base material 1007.
Need to arrange layer of transparent optical cement compared to general protective seam below, described stickability protective seam 806 has viscosity, without transparent optical cement is set, is more conducive to the lightening of contact panel.
Refer to Figure 12, the utility model the 9th embodiment capacitance type touch-control panel 90 comprises a cover plate 909, one glue-line 908, one quarter-wave retardation plate 907, one nano-silver thread conductive laminate structure 903 and a touch-control circuit controller (not shown), described in described nano-silver thread conductive laminate structure 903 and the first embodiment, nano-silver thread conductive laminate structure is similar, comprises base material 1007, nano-silver thread conductive electrode layer 1005 and levelling blanket 9034.Described quarter-wave retardation plate 907 is between glue-line 908 and levelling blanket 9034, for reducing mist degree.
By quarter-wave retardation plate 907 is set, in the time that light passes through quarter-wave retardation plate 907, produce reflection, because optical path difference postpones, incident light and reflected light are offset, thereby can reduce reflected light, and the mist degree of nano-silver thread 1001 is reduced.And by one deck quarter-wave retardation plate 907 is set above nano-silver thread conductive electrode layer 1005, can the line polarisation of LCD or OLED be changed into rotatory polarization simultaneously, thereby watch contact panel to there will not be frosting phenomenon under polarized sunglasses.
In the time that capacitance type touch-control panel 90 also has other functional layers, as above-mentioned adhesion promoting layer, optical match layer, when stickability protective seam, need guarantee quarter-wave retardation plate 907 with respect to nano-silver thread conductive electrode layer 1005 and optical match layer near observer's one side.
Need to propose, above-mentioned adhesion promoting layer, optical match layer, quarter-wave retardation plate can an optional interpolation, and optional two interpolations also can three persons be added.
Should be appreciated that, the 5th embodiment mesoglea is bonded in the distressed structure that base material in arbitrary of cover plate upper and lower surface and nano-silver thread conductive laminate structure differs from nano-silver thread conductive electrode layer one side and is equally applicable to the 6th embodiment to the nine embodiment and all distressed structures thereof.
Refer to Figure 13, the utility model the tenth embodiment is used as capacitance type touch-control panel 40 touch sensing element and is made into touch-control demonstration module 200 in multiple device.For example, while being used in LCD display, below contact panel, be disposed with polaroid 2001, upper substrate 2003, liquid crystal layer 2005, infrabasal plate 2007, lower polaroid 2009, now goes up polaroid 2001 and serves as base material, and nano-silver thread conductive electrode layer 1005 straight formings are on it.Upper outside except being used in LCD display herein, can also be used on plasma display, on color flat panel display, on optoelectronic device and similar products.In above-mentioned electronic equipment, described contact panel fits in the upper surface of LCD display, for one of them I/O equipment of electronic equipment man-machine interaction.
Compared with prior art, the utility model nano-silver thread conductive laminate structure and adopt this nano-silver thread conductive laminate structure capacitance type touch-control panel 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 after adopting nano-silver thread as conductive electrode material, unavoidably there will be some problems, as nano-silver thread is upturned, nano-silver thread conductive laminate body structure surface flatness is exerted an influence, between nano-silver thread, only rely on intermolecular force to realize overlap joint, thereby have the bad problem that affects conductance of overlap joint, by levelling blanket is provided, make overlap joint between nano-silver thread become line overlap joint and/or face overlaps from original some overlap joint, thereby making to overlap area increase conductance is effectively ensured, and the surface smoothness of nano-silver thread conductive laminate structure is greatly improved.Secondly the utility model capacitance type touch-control panel preparation method is simple, efficiency is high, cost is low.In the time that coating forms homogeneous film, there is certain technology difficulty in tradition nano-silver thread contact panel, the utility model nano-silver thread is coated with in several ways, realize inlaying of nano-silver thread, technique is more simple, and the photoelectric properties of the utility model capacitance type touch-control panel are good, light transmission rate is more than 90%, and sheet resistance is less than 100ohm/sq.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all any amendments 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 substrate surface,
One levelling blanket, is arranged at described nano-silver thread conductive electrode layer and differs from described base material one side.
2. nano-silver thread conductive laminate structure as claimed in claim 1, is characterized in that: the thickness of this levelling blanket is 10nm-300nm.
3. 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-200nm, and sheet resistance is less than 100ohm/sq.
4. nano-silver thread conductive laminate structure as claimed in claim 1, is characterized in that: described nano-silver thread conductive electrode layer comprises nano-silver thread and matrix, and nano-silver thread overlaps formation conductive network mutually, and wherein said nano-silver thread embeds in matrix at least partly.
5. nano-silver thread conductive laminate structure as claimed in claim 4, is characterized in that: described nano-silver thread is contained in levelling blanket at least partly.
6. nano-silver thread conductive laminate structure as claimed in claim 1, is characterized in that: described levelling blanket and nano-silver thread conductive electrode layer are realized mutually and being embedded on thickness direction.
7. nano-silver thread conductive laminate structure as claimed in claim 1, is characterized in that: described levelling blanket is one deck blooming, the refractive index of this blooming is 1.1-1.6.
8. nano-silver thread conductive laminate structure as claimed in claim 1, it is characterized in that: described levelling blanket comprises at least two-layer blooming, be formed by stacking by the mode of alternately stack by low-refraction blooming, high index of refraction blooming, wherein the refractive index of low-refraction blooming is 1.1-1.6, and the refractive index of high index of refraction blooming is 1.8-2.7.
9. a capacitance type touch-control panel, is characterized in that, comprising:
One cover plate, described cover plate is polaroid or glass or flexible parent metal,
One glue-line,
One touch-control circuit controller, and
Nano-silver thread conductive laminate structure as described in claim 1-8 any one,
Wherein, described glue-line connects cover plate and described nano-silver thread conductive laminate structure arbitrary, and described nano-silver thread conductive laminate structure is electrically connected at described touch-control circuit controller, realizes touch-control.
10. capacitance type touch-control panel as claimed in claim 9, it is characterized in that: any one or its combination in any that further comprises an adhesion promoting layer, an optical match layer, a quarter-wave retardation plate, described adhesion promoting layer is arranged between base material and nano-silver thread conductive electrode layer, described optical match layer is positioned at optional position, cover plate below, and described quarter-wave retardation plate is between cover plate and nano-silver thread conductive electrode layer.
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| CN105404435A (en) * | 2014-06-12 | 2016-03-16 | 宸鸿科技(厦门)有限公司 | SNW conducting laminated structure and capacitive touch panel |
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