WO2019143065A1 - Capteur tactile et dispositif d'affichage le comprenant - Google Patents

Capteur tactile et dispositif d'affichage le comprenant Download PDF

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Publication number
WO2019143065A1
WO2019143065A1 PCT/KR2019/000389 KR2019000389W WO2019143065A1 WO 2019143065 A1 WO2019143065 A1 WO 2019143065A1 KR 2019000389 W KR2019000389 W KR 2019000389W WO 2019143065 A1 WO2019143065 A1 WO 2019143065A1
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WIPO (PCT)
Prior art keywords
adhesive layer
touch sensor
layer
window
thickness
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/KR2019/000389
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English (en)
Korean (ko)
Inventor
유성우
손동진
송병훈
윤호동
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dongwoo Fine Chem Co Ltd
Original Assignee
Dongwoo Fine Chem Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from KR1020180169366A external-priority patent/KR102552214B1/ko
Application filed by Dongwoo Fine Chem Co Ltd filed Critical Dongwoo Fine Chem Co Ltd
Priority to CN201980008896.9A priority Critical patent/CN111630481B/zh
Priority to US16/962,584 priority patent/US11119597B2/en
Publication of WO2019143065A1 publication Critical patent/WO2019143065A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/80—Constructional details
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/80—Constructional details
    • H10K59/87—Passivation; Containers; Encapsulations
    • H10K59/871—Self-supporting sealing arrangements
    • H10K59/8722—Peripheral sealing arrangements, e.g. adhesives, sealants

Definitions

  • the present invention relates to a touch sensor and a display device including the touch sensor.
  • the touch input method allows the user to touch and input a specific position of the display screen, thereby providing an intuitive and convenient user interface.
  • the touch input method can be combined with a display screen without a separate input device such as a keyboard or a mouse, which is particularly advantageous for a portable electronic device.
  • Korean Patent Laid-Open No. 10-2016-0085036 discloses a touch panel including a touch electrode plate including a touch-sensitive pattern, an adhesive layer formed on the touch electrode plate, and a base film formed on the adhesive layer, Wherein the tensile elastic modulus of the adhesive layer is 0.01 to 10 MPa and the thickness of the adhesive layer is 5 to 100 ⁇ and the tensile elastic modulus of the base film is 50 to 6000 MPa, By simultaneously satisfying the thickness of 20 to 300 mu m, flexibility and durability are simultaneously improved, which is suitable for application to a flexible display, and a film touch sensor which is formed on a carrier substrate and does not cause cracking or breakage when peeling off from the carrier substrate Lt; / RTI >
  • the present invention has been made based on the technical background as described above, and it is an object of the present invention to provide a touch sensor which is excellent in flexibility and durability and is thinned.
  • the touch sensor of the present invention may include a lower adhesive layer, a touch sensor layer, and an upper adhesive layer.
  • the touch sensor layer may be bonded on the lower adhesive layer and may include a touch sensitive electrode pattern.
  • the upper adhesive layer can bond on the touch sensor layer.
  • the upper adhesive layer may be thicker than the lower adhesive layer and have a low elastic modulus.
  • the lower adhesive layer may have a thickness of 2 to 20 mu m and an elastic modulus of 0.5 to 5.0 MPa.
  • the upper adhesive layer may have a thickness of 5 to 50 mu m and an elastic modulus of 0.05 to 1.00 MPa.
  • T1 / T2 may have a value of 1.1 to 5.0.
  • M2 / M1 can have a value of 1.16 to 20.0.
  • the upper adhesive layer and the lower adhesive layer may be made of OCA (Optically Clear Adhesive).
  • the touch sensor according to the present invention may not include a base film.
  • the laminate according to the present invention can include a window that is bonded to the touch sensor through the above-described touch sensor and the upper adhesive layer.
  • the window may have a hard coating film.
  • the laminate according to the present invention may include a polarizing layer including a polarizer on one side of a window.
  • the window may further include a colored shielding pattern printed on at least one side of the polarizing layer to surround and print the frame.
  • the display device may include the above-described touch sensor, a window connected to the touch sensor through the upper adhesive layer, and a display layer bonded to the touch sensor through the lower adhesive layer.
  • the window may have a hard coating film.
  • the display device may include a polarizing layer including a polarizer on one side of a window.
  • the window may further include a colored shielding pattern printed on at least one side of the polarizing layer to surround and print the frame.
  • the display layer may be an LCD layer or an OLED layer.
  • the adhesive layer having a thin thickness below the touch sensing electrode pattern and having a high elastic modulus serves as a substrate, a thick adhesive layer with a low elastic modulus above the touch sensor layer can disperse the stress of the optical film have. Accordingly, it is possible to provide a thin touch sensor with excellent flexibility and durability, and in particular, such a touch sensor has excellent flexing resistance under infolding conditions.
  • FIG. 1 is a cross-sectional view of a touch sensor according to an embodiment of the present invention.
  • FIG. 2 is a cross-sectional view of a laminated structure according to an embodiment of the present invention.
  • FIG 3 is a cross-sectional view of a display device according to an embodiment of the present invention.
  • FIG. 1 is a cross-sectional view of a touch sensor according to an embodiment of the present invention.
  • a touch sensor 10 includes a touch sensor layer 120 formed without a base film and an upper adhesive layer (not shown) formed on upper and lower portions of a touch sensor layer 120 130) and a lower adhesive layer (110).
  • the touch sensor layer 120 includes a touch sensing electrode pattern for sensing a touch input, and various electrode patterns known in the art can be used without limitation.
  • it may include an electrode pattern used in a capacitive touch sensor, and mutual-capacitance or self-capacitance may be applied.
  • a bridge electrode may be included.
  • the material for forming the electrode pattern is not particularly limited, but a material having a suitable conductivity and a transparent material can be mainly used.
  • a material having a suitable conductivity and a transparent material can be mainly used.
  • the metal may be any one of gold, silver, copper, molybdenum, aluminum, palladium, neodymium, platinum, zinc, tin, titanium and alloys thereof.
  • the metal nanowires may be silver nanowires, copper nanowires, zirconium nanowires, or gold nanowires.
  • the metal oxide is selected from the group consisting of indium tin oxide (ITO), indium zinc oxide (IZO), indium zinc tin oxide (IZTO), aluminum zinc oxide (AZO), gallium zinc oxide (GZO), florinthine oxide (ZnO).
  • ITO indium tin oxide
  • IZO indium zinc oxide
  • IZTO indium zinc tin oxide
  • AZO aluminum zinc oxide
  • GZO gallium zinc oxide
  • florinthine oxide ZnO
  • the electrode pattern may also be formed of a carbon-based material including carbon nanotube (CNT) or graphene.
  • CNT carbon nanotube
  • the conductive polymer comprises polypyrrole, polythiophene, polyacetylene, PEDOT, and polyaniline, wherein the conductive ink is a mixture of a metal powder and a curable polymeric binder, .
  • the electrode pattern may have a laminated structure of two or more conductive layers in some cases in order to reduce electrical resistance.
  • the electrode pattern may be formed of one layer of ITO, AgNW (silver nano wire), or metal mesh.
  • the first electrode layer may be formed of a transparent metal oxide such as ITO
  • a second electrode layer may be formed on the ITO electrode layer using metal, AgNW or the like to further reduce the resistance.
  • the touch sensor layer 120 of the touch sensor 10 is formed without a base film, and an electrode pattern is formed on a thin protective film (not shown) having a thickness of several micrometers. Further, the touch sensor layer 120 may be formed by, for example, forming a protective film and an electrode pattern on a carrier substrate, and then transferring the protective film and the electrode pattern.
  • the upper adhesive layer 130 on the upper surface of the touch sensor layer 120 is a layer that serves to bond components of a display device such as an optical film to the upper portion of the touch sensor layer 120.
  • the "upper portion” means the side where the touch input of the user is performed based on the touch sensor layer 120.
  • the upper adhesive layer 130 has a thickness of 5 to 50 ⁇ m and an elastic modulus of 0.05 to 1.00 MPa (at 25 ° C.).
  • the lower adhesive layer 110 under the touch sensor layer 120 serves to support the touch electrode pattern in the structure of the touch sensor layer 120 having no base material and at the same time bonding the display layer under the touch sensor layer 120 It is the layer that plays a role.
  • “lower” means the side opposite to the side where the user's touch input is performed with respect to the touch sensor layer 120.
  • the lower adhesive layer 110 has a thickness of 2 to 20 ⁇ m and an elastic modulus of 0.5 to 5 MPa (at 25 ° C.).
  • the thickness of the lower adhesive layer 110 and the elasticity of the lower adhesive layer 110 can serve as a support in the structure of the touch sensor layer 120 having no base material and transmit the stress applied to the touch sensor layer 120 to the lower portion,
  • the sensor 10 does not crack or break when bent or bent.
  • T1 / T2 has a value between 1.1 and 5.0.
  • M2 / M1 has a value between 1.16 and 20.0.
  • the touch sensor 10 does not generate cracks or breaks when the touch sensor 10 is bent or bent, and therefore, it is very suitable for use in a flexible display device.
  • the bending resistance is excellent in an infolding condition in which the upper adhesive layer 130 of the touch sensor 10 is positioned inside and the lower adhesive layer 110 is bent outward.
  • adhesive materials known in the art can be applied without limitation as long as they satisfy the above-mentioned physical properties.
  • OCA Optically Clear Adhesive
  • acrylic copolymer, crosslinking agent and silane coupling agent are included Sensitive adhesive composition.
  • the acrylic copolymer usable in the present invention preferably contains an ionic monomer having a (meth) acrylate monomer and a vinyl group.
  • (meth) acrylate means acrylate and methacrylate.
  • Examples of the (meth) acrylate monomers include n-butyl (meth) acrylate, 2-butyl (meth) acrylate, t-butyl (meth) acrylate, (Meth) acrylate, n-octyl (meth) acrylate, isooctyl (meth) acrylate, n-butyl (Meth) acrylate, decyl (meth) acrylate, and lauryl (meth) acrylate.
  • n-butyl acrylate, 2-ethylhexyl acrylate or a mixture thereof is preferable. These may be used alone or in combination of two or more.
  • the ionic monomer having a vinyl group preferably contains 0.1 to 10 parts by weight, more preferably 0.5 to 5 parts by weight, based on 100 parts by weight of the (meth) acrylate monomer. If the content is less than 0.1 part by weight, the effect of improving the compatibility of the antistatic agent is insufficient, and it may be difficult to secure durability. If the content exceeds 10 parts by weight, the hydrophilicity may become too high,
  • the acrylic copolymer of the present invention may further contain a polymerizable monomer having a crosslinkable functional group in addition to the ionic monomer having the vinyl group.
  • the polymerizable monomer having a crosslinkable functional group can impart durability and cutability by reinforcing the cohesive strength or adhesive strength of the pressure-sensitive adhesive composition by chemical bonding, and a component that does not generate hydrogen ions (H +) is used.
  • Examples of the polymerizable monomer having a crosslinkable functional group include a monomer having a hydroxy group, a monomer having an amide group, and a monomer having a tertiary amine group, and these may be used alone or in combination of two or more.
  • Examples of the monomer having a hydroxy group include 2-hydroxyethyl (meth) acrylate, 2-hydroxypropyl (meth) acrylate, 2-hydroxybutyl (meth) acrylate, 4-hydroxybutyl Hydroxypropyleneglycol (meth) acrylate, hydroxyalkylene glycol having 2 to 4 carbon atoms in the alkylene group (e.g., methoxyethyl (meth) acrylate, Hydroxybutyl vinyl ether, 8-hydroxyoctyl vinyl ether, 9-hydroxynonyl (meth) acrylate, 4-hydroxybutyl vinyl ether, Vinyl ether, and 10-hydroxydecyl vinyl ether, among which 4-hydroxybutyl vinyl ether is preferable.
  • 2-hydroxyethyl (meth) acrylate 2-hydroxypropyl (meth) acrylate
  • 2-hydroxybutyl (meth) acrylate 2-hydroxybutyl (meth) acrylate
  • Examples of the monomer having an amide group include (meth) acrylamide, N-isopropyl acrylamide, N-tertiary butyl acrylamide, 3-hydroxypropyl (meth) acrylamide, 4-hydroxybutyl (Meth) acrylamide, 8-hydroxyoctyl (meth) acrylamide, and 2-hydroxyethylhexyl (meth) acrylamide. Of these, (meth) acrylamide is preferable.
  • Examples of the monomer having a tertiary amine group include N, N- (dimethylamino) ethyl (meth) acrylate, N, N- (diethylamino) ethyl (meth) Methacrylate, and the like.
  • the polymerizable monomer having such a crosslinkable functional group is preferably contained in an amount of 0.05 to 10 parts by weight, more preferably 0.1 to 8 parts by weight, based on 100 parts by weight of the (meth) acrylate monomer having an alkyl group having 1-12 carbon atoms good.
  • the content is less than 0.05 part by weight, the cohesive force of the pressure-sensitive adhesive becomes small and durability may be deteriorated.
  • a high gel fraction may lower the adhesive strength and cause durability problems.
  • the acrylic copolymer of the present invention may further contain other polymerizable monomers other than the above monomers in a range not lowering the adhesive force, for example, 10 parts by weight or less based on the total amount.
  • the method for producing the copolymer is not particularly limited and can be produced by methods such as bulk polymerization, solution polymerization, emulsion polymerization or suspension polymerization, which are commonly used in the art, and solution polymerization is preferable.
  • a solvent, a polymerization initiator, a chain transfer agent for molecular weight control and the like which are usually used in polymerization can be used.
  • the acrylic copolymer preferably has a weight average molecular weight (polystyrene conversion, Mw) of 50,000 to 2,000,000, more preferably 400,000 to 2,000,000 as measured by Gel Permeation Chromatography (GPC).
  • Mw polystyrene conversion
  • GPC Gel Permeation Chromatography
  • the crosslinking agent usable in the present invention is a component which enables the pressure-sensitive adhesive layer to satisfy the above-described elastic modulus with a proper degree of crosslinking, and examples thereof include isocyanate-based, epoxy-based, melamine-based, peroxide based, metal chelating based, oxazoline based cross- And it is preferable to use an isocyanate-based or metal chelate-based system in view of achieving proper viscoelasticity by forming a crosslinking with the acrylic copolymer.
  • isocyanate-based isocyanate examples include isocyanate-based compounds such as tolylene diisocyanate, xylene diisocyanate, 2,4-diphenylmethane diisocyanate, 4,4-diphenylmethane diisocyanate, hexamethylene diisocyanate, isophorone diisocyanate, tetramethyl xylene diisocyanate, Diisocyanate compounds such as isocyanate; An adduct obtained by reacting 3 moles of a diisocyanate compound with 1 mole of a polyhydric alcohol compound such as trimethylolpropane, an isocyanurate compound in which 3 moles of a diisocyanate compound is self-condensed, a diisocyanate obtained from 2 moles of 3 moles of a diisocyanate compound And multifunctional isocyanate compounds containing three functional groups such as burette, triphenylmethane triisocyanate and methylene bistrii
  • the epoxy system may be an ethylene glycol diglycidyl ether, a diethylene glycol diglycidyl ether, a polyethylene glycol diglycidyl ether, a propylene glycol diglycidyl ether, a tripropylene glycol diglycidyl ether, a polypropylene glycol di Hexanediol diglycidyl ether, polytetramethylene glycol diglycidyl ether, glycerol diglycidyl ether, glycerol triglycidyl ether, diethylene glycol diglycidyl ether, diethylene glycol diglycidyl ether, Glycerol polyglycidyl ether, polyglycerol polyglycidyl ether, resorcinol diglycidyl ether, 2,2-dibromoneopentyl glycol diglycidyl ether, trimethylol propane triglycidyl ether, pentaerythri
  • the metal chelating agent examples include a metal chelating agent such as aluminum (Al), iron (Fe), zinc (Zn), tin (Sn), titanium, antimony (Sb), magnesium (Mg), and vanadium And compounds in which ethyl acetate or the like is coordinated.
  • a metal chelating agent such as aluminum (Al), iron (Fe), zinc (Zn), tin (Sn), titanium, antimony (Sb), magnesium (Mg), and vanadium And compounds in which ethyl acetate or the like is coordinated.
  • Examples of the melamine series include hexamethylol melamine, hexamethoxymethyl melamine, and hexabutoxymethyl melamine.
  • FIG. 2 is a cross-sectional view of a laminated structure according to an embodiment of the present invention.
  • a laminated structure according to an embodiment of the present invention includes a touch sensor 10 according to an embodiment of the present invention and a window 20 on the touch sensor 10 .
  • the touch sensor 10 and the window 20 may be bonded to each other through the upper adhesive layer 130 of the touch sensor 10 (FIG. 1).
  • the window 20 is provided with a hard coating film and may include, on one side of the window 20, a polarizing layer (not shown) including a polarizer. If necessary, the window 20 may be provided with a polarizing layer on which a protective film is placed with a point-adhesive layer interposed therebetween.
  • a colored light shielding pattern printed on the window 20 or the polarizing layer on at least one side of the frame may be provided, and the light shielding pattern may be a single layer or a multi-layered form.
  • the polarizing layer can be, for example, a continuous polarizing plate which can be continuously extended over the non-display region or the bezel portion and includes a protective film attached to at least one side of the polyvinyl alcohol polarizer and the polyvinyl alcohol polarizer have.
  • Another example of the polarizing layer includes a liquid crystal coating layer containing a polymerizable liquid crystal compound and a dichroic dye, and may further include an alignment layer for imparting orientation to the liquid crystal coating layer.
  • FIG 3 is a cross-sectional view of a display device according to an embodiment of the present invention.
  • a display device includes a touch sensor 10 according to an embodiment of the present invention, a window 20 on the touch sensor 10, And a display layer (30) under the display layer (10).
  • the touch sensor 10 when the window 20 includes a polarizing layer, since the touch sensor 10 is located on the lower side of the polarizing layer on the viewing side, The pattern of the light source is not well visible. Particularly, since the touch sensor 10 according to the embodiment of the present invention is a touch sensor 10 having no base material, the touch sensor 10 can be transferred to the window 20, Layer, the touch sensor 10 can be transferred to the polarizing layer.
  • the display layer 30 may be any of those applicable to a flexible display device, and may be, for example, an OLED layer or an LCD layer, but is not limited thereto.
  • the durability against bending was evaluated by manufacturing a touch sensor having upper and lower adhesive layers of various thicknesses and elastic moduli.
  • the durability evaluation was performed by folding the middle of the manufactured touch sensor.
  • the radius at the time of folding was set to 1R (radius 1 mm), and the number of times of folding was set to 10,000 times.
  • the touch function was evaluated by comparing the output value from the driver IC after FPCB bonding, before and after the durability evaluation, and it was judged OK when the ITO opening or short circuit phenomenon of the touch sensor was observed.
  • the trace cracks and the polarizing layer cracks were evaluated by folding, and then the traces and the polarizing layer were visually observed.
  • Example 1 25 0.05 5 0.90 OK OK OK 5.00 18.00
  • Example 2 20 0.10 5 0.90 OK OK OK 4.00 9.00
  • Example 3 15 0.40 5 0.50 OK OK OK 3.00 1.25
  • Example 4 50 0.05 20 0.90 OK OK OK OK 2.50 18.00
  • Example 5 5 0.50 2 5.00 OK OK OK OK 2.50 10.00
  • Example 6 40 0.10 10 2.00 OK OK OK 4.00 20.00
  • Example 7 10 0.50 9 0.60 OK OK OK 1.10 1.20
  • Comparative Example 1 5 0.90 5 0.90 OK OK OK NG 1.00 1.00
  • Comparative Example 2 10 0.20 5 5.00 NG NG 2.00 25.00 Comparative Example 3 25 0.03 25 0.05 NG NG OK 1.00 1.60
  • Examples 1 to 9 which passed all of the evaluation criteria (touch function, trace crack, and polarization layer crack) It can be confirmed that it is distinguished from Comparative Examples 1 to 8. That is, when the thickness of the upper adhesive layer is T1 and the thickness of the lower adhesive layer is T2, in Examples 1 to 9, T1 / T2 has a value between 1.1 and 5.0. Further, when the elastic modulus of the upper adhesive layer is M1 and the elastic modulus of the lower adhesive layer is M2, in Examples 1 to 9, M2 / M1 has a value between 1.16 and 20.0. Incidentally, Comparative Examples 1 to 8 are different from the thickness ratios and the modulus ratios of Examples 1 to 9.
  • the upper adhesive layer is made thicker than the lower adhesive layer, It is necessary to configure it to have a lower elastic modulus.
  • the thickness T1 of the upper adhesive layer is 5 to 50 mu m
  • the modulus of elasticity M1 is 0.05 to 1.00 MPa
  • the thickness T2 of the lower adhesive layer is 2 to 20 mu m
  • the elastic modulus M2 is 0.5 to 5.0 MPa.
  • the thickness ratio of the upper adhesive layer to the lower adhesive layer, that is, T1 / T2 is 1.1 to 5.0
  • the modulus of elasticity of the upper adhesive layer and the lower adhesive layer, M1 may have a value between 1.16 and 20.0.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Nonlinear Science (AREA)
  • Human Computer Interaction (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optics & Photonics (AREA)
  • Position Input By Displaying (AREA)

Abstract

L'invention concerne un capteur tactile dans lequel une couche adhésive mince placée sous un motif d'électrode de détection tactile et ayant un module d'élasticité élevé sert de substrat, et une couche adhésive épaisse placée sur une couche de capteur tactile et ayant un faible module d'élasticité sert à dissiper la contrainte dans un film optique, le capteur tactile pouvant ainsi être mis en œuvre sous la forme d'un capteur tactile de type à film mince tout en ayant une excellente souplesse et une excellente durabilité de flexion.
PCT/KR2019/000389 2018-01-18 2019-01-10 Capteur tactile et dispositif d'affichage le comprenant Ceased WO2019143065A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201980008896.9A CN111630481B (zh) 2018-01-18 2019-01-10 触摸传感器及包含其的显示装置
US16/962,584 US11119597B2 (en) 2018-01-18 2019-01-10 Touch sensor and display device comprising same

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR10-2018-0006664 2018-01-18
KR20180006664 2018-01-18
KR1020180169366A KR102552214B1 (ko) 2018-01-18 2018-12-26 터치 센서 및 이를 포함하는 표시 장치
KR10-2018-0169366 2018-12-26

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WO2019143065A1 true WO2019143065A1 (fr) 2019-07-25

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110531897A (zh) * 2019-09-09 2019-12-03 业成科技（成都）有限公司 盖板组件、其制备方法、触控面板及显示装置
EP4020071A4 (fr) * 2019-08-19 2022-09-07 BOE Technology Group Co., Ltd. Écran d'affichage pliable, son procédé de fabrication et dispositif d'affichage

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014142263A1 (fr) * 2013-03-13 2014-09-18 富士フイルム株式会社 Panneau tactile capacitif
KR20150081568A (ko) * 2014-01-06 2015-07-15 삼성전기주식회사 터치센서 모듈 및 그 제조방법
KR101579710B1 (ko) * 2015-11-12 2015-12-22 동우 화인켐 주식회사 광학적층체 및 이를 포함하는 화상표시장치
KR20170043301A (ko) * 2015-10-13 2017-04-21 동우 화인켐 주식회사 윈도우 필름 및 그의 제조방법
KR20170044385A (ko) * 2015-10-15 2017-04-25 동우 화인켐 주식회사 필름 터치 센서 제조 방법 및 제조 장치

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014142263A1 (fr) * 2013-03-13 2014-09-18 富士フイルム株式会社 Panneau tactile capacitif
KR20150081568A (ko) * 2014-01-06 2015-07-15 삼성전기주식회사 터치센서 모듈 및 그 제조방법
KR20170043301A (ko) * 2015-10-13 2017-04-21 동우 화인켐 주식회사 윈도우 필름 및 그의 제조방법
KR20170044385A (ko) * 2015-10-15 2017-04-25 동우 화인켐 주식회사 필름 터치 센서 제조 방법 및 제조 장치
KR101579710B1 (ko) * 2015-11-12 2015-12-22 동우 화인켐 주식회사 광학적층체 및 이를 포함하는 화상표시장치

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4020071A4 (fr) * 2019-08-19 2022-09-07 BOE Technology Group Co., Ltd. Écran d'affichage pliable, son procédé de fabrication et dispositif d'affichage
CN110531897A (zh) * 2019-09-09 2019-12-03 业成科技（成都）有限公司 盖板组件、其制备方法、触控面板及显示装置

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