WO2021079635A1 - タッチセンサ - Google Patents

タッチセンサ Download PDF

Info

Publication number
WO2021079635A1
WO2021079635A1 PCT/JP2020/034008 JP2020034008W WO2021079635A1 WO 2021079635 A1 WO2021079635 A1 WO 2021079635A1 JP 2020034008 W JP2020034008 W JP 2020034008W WO 2021079635 A1 WO2021079635 A1 WO 2021079635A1
Authority
WO
WIPO (PCT)
Prior art keywords
transparent film
base material
laminated body
film base
back side
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/JP2020/034008
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
康祐 松本
充 加賀瀬
輝之 向後
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.)
Nissha Co Ltd
Original Assignee
Nissha 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
Application filed by Nissha Co Ltd filed Critical Nissha Co Ltd
Priority to KR1020217026511A priority Critical patent/KR102898920B1/ko
Priority to EP20879372.9A priority patent/EP4026692B1/en
Priority to CN202080023631.9A priority patent/CN113614682B/zh
Priority to US17/771,352 priority patent/US11853517B2/en
Publication of WO2021079635A1 publication Critical patent/WO2021079635A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Images

Classifications

    • 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
    • G06F3/0412—Digitisers structurally integrated in a display
    • 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
    • G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • G06F3/0445—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using two or more layers of sensing electrodes, e.g. using two layers of electrodes separated by a dielectric layer
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/20—Layered products comprising a layer of metal comprising aluminium or copper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B25/00—Layered products comprising a layer of natural or synthetic rubber
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B25/00—Layered products comprising a layer of natural or synthetic rubber
    • B32B25/04—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B25/08—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/28—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/10—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material
    • B32B3/14—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material characterised by a face layer formed of separate pieces of material which are juxtaposed side-by-side
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/02—Physical, chemical or physicochemical properties
    • B32B7/025—Electric or magnetic properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
    • B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B9/045—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
    • G01D5/24—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying capacitance
    • 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
    • G02F1/13338—Input devices, e.g. touch panels
    • 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
    • G06F3/0416—Control or interface arrangements specially adapted for digitisers
    • G06F3/04164—Connections between sensors and controllers, e.g. routing lines between electrodes and connection pads
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K50/00—Organic light-emitting devices
    • H10K50/80—Constructional details
    • H10K50/84—Passivation; Containers; Encapsulations
    • 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
    • H10K59/40—OLEDs integrated with touch screens
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00—Layers arrangement
    • B32B2250/24—All layers being polymeric
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/40—Properties of the layers or laminate having particular optical properties
    • B32B2307/412—Transparent
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/558—Impact strength, toughness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/724—Permeability to gases, adsorption
    • B32B2307/7242—Non-permeable
    • B32B2307/7246—Water vapor barrier
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2457/00—Electrical equipment
    • B32B2457/20—Displays, e.g. liquid crystal displays, plasma displays
    • B32B2457/208—Touch screens
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/28—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42
    • B32B27/286—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42 comprising polysulphones; polysulfides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/302—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising aromatic vinyl (co)polymers, e.g. styrenic (co)polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/306—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl acetate or vinyl alcohol (co)polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/308—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising acrylic (co)polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • B32B27/322—Layered products comprising a layer of synthetic resin comprising polyolefins comprising halogenated polyolefins, e.g. PTFE
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • B32B27/325—Layered products comprising a layer of synthetic resin comprising polyolefins comprising polycycloolefins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/34—Layered products comprising a layer of synthetic resin comprising polyamides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/40—Layered products comprising a layer of synthetic resin comprising polyurethanes
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
    • G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices

Definitions

  • the present invention relates to a touch sensor having excellent crack resistance.
  • the touch sensor is a display device as an input means for various devices (for example, ticket vending machines, ATM devices, mobile phones, game machines) incorporating display devices such as organic EL, liquid crystal displays, and plasma displays. It is used with. In such devices, the touch sensor is located on the display surface of the display device, which allows the touch sensor to make a very direct input to the display device.
  • the capacitance method uses a weak current to flow through the touch sensor surface to form an electric field, and the change in capacitance value when a conductor such as a finger touches lightly causes a voltage drop, etc.
  • the contact position obtained by converting to and detecting is output as a signal.
  • a touch sensor used in the capacitance method a touch sensor in which a transparent electrode and a connection terminal portion are formed on a pair of opposing substrates is generally known. Further, as another aspect, one in which a transparent electrode and a connection terminal portion are formed on both sides of one transparent substrate (hereinafter, double-sided type touch sensor) is known (for example, Patent Document 1).
  • the double-sided type touch sensor has a small number of members and can be made thinner, and can be manufactured by a roll-to-roll process to improve productivity. Further, since it is not necessary to bond the two substrates, problems such as misalignment between the two transparent electrodes can be avoided.
  • a film in which a transparent conductive film is adhered to one opposite surface of a transparent film base material formed of a metal pattern on the surface of a transparent film base material made of resin, glass, etc. is used as an upper protective film.
  • a film in which a transparent conductive film is adhered to the other facing surface of the transparent film base material is used as a lower protective film, and a structure in which the upper protective film and the lower protective film are bonded to each other is generally widely used.
  • the electrodes of the touch sensor and the control circuit are connected through a flexible printed wiring board (hereinafter referred to as FPC).
  • FPC flexible printed wiring board
  • the wiring board terminal portion at one end of the FPC is connected to the front side terminal and the back side terminal on the transparent film base material.
  • the upper protective film and the lower protective film are provided with a notch at a position corresponding to the FPC adhesive portion to facilitate the adhesion between the FPC and the sheet terminal portion.
  • a double-sided type touch sensor is manufactured through a process of removing the outer shape for cutting according to a predetermined product size.
  • the cushion material is provided inside the outer die, the upper protective film is pressed against the inner cushion material of the outer die when cutting to a predetermined product size with the outer die.
  • stress is applied in the vertical direction, only one layer of the transparent film base material is exposed inside the notch, while the outside of the notch is the transparent film base material, the upper protective film, and the lower protective film. Because of the three layers, stress is concentrated on the inner boundary of the notch, and cracks occur in the transparent film base material from both ends straddling the inside to the outside of the notch at the opening end of the notch. There was (see FIG. 8).
  • An object of the present invention is to provide a touch sensor having excellent crack resistance that solves the above problems.
  • the touch sensor of the present invention has a transparent film base material, a front side electrode formed on one surface of the transparent film base material, and a surface on which the front side electrode of the transparent film base material is formed.
  • the back side electrode formed on the other surface of the transparent film base material, and the back side electrode formed on the back side electrode of the transparent film base material On the front side terminal formed on the front side electrode and connected to the front side electrode, the back side electrode formed on the other surface of the transparent film base material, and the back side electrode formed on the back side electrode of the transparent film base material.
  • the transparent film base material has a connection terminal portion inside one side of the transparent film base material and is connected and has a back side terminal formed so as not to overlap with the front side terminal in a plan view.
  • a touch sensor in which a material is laminated with a pair of films of an upper protective film and a lower protective film, and both of the pair of films are provided with a notch portion in which a region facing the front side terminal and the back side terminal is cut out.
  • the shape is gradually widened from the open end of the notch to the inner part in a trapezoidal shape.
  • a front side terminal formed on a transparent film base material a front side electrode formed on one surface of the transparent film base material, and a front side electrode formed on the front side electrode of the transparent film base material, and connected to the front side electrode.
  • the back side electrode formed on the other surface of the transparent film base material and the back side electrode formed on the transparent film base material are connected to the back side electrode and do not overlap with the front side terminal in plan view.
  • the back side terminal On the surface on which the back side electrode of the transparent film base material is formed, the back side terminal is connected to the back side electrode and is formed so as not to overlap the connection terminal portion of the first laminated body in a plan view.
  • a second laminated body having a connection terminal portion inside one side of a transparent film base material, and an adhesive layer between the first laminated body and the second laminated body in the first laminated body and the second laminated body.
  • the first laminated body is provided with a notch portion in which a region facing the connection terminal portion of the second laminated body is cut out, and the second laminated body is provided with a connection terminal portion of the first laminated body.
  • a notch portion is provided so as to cut out the opposing regions, and the first laminated body and the second laminated body are laminated with a pair of films of the upper protective film and the lower protective film, and in both of the pair of films, the first In a touch sensor provided with a notch portion that cuts out a region facing the connection terminal portion of the laminated body and the connection terminal portion of the second laminated body, the first laminated body, the second laminated body, and the upper portion are provided in a plan view.
  • Both the protective film and the lower protective film are configured to have a trapezoidal shape that gradually widens from the open end of the notch to the inner part.
  • the notch portion may be configured so that the outer angle of the upper base of the trapezoidal shape in contact with the outer peripheral line is 30 degrees or more and 60 degrees or less.
  • a reinforcing layer may be provided on the transparent film base material in the regions at both ends of the cutout portion of the pair of protective films straddling the inside to the outside of the cutout portion.
  • the touch sensor having excellent crack resistance includes a transparent film base material, a front side electrode formed on one surface of the transparent film base material, and a front side electrode of the transparent film base material formed on the surface. Connected to the back side electrode on the front side terminal formed in and connected to the front side electrode, the back side electrode formed on the other surface of the transparent film base material, and the back side electrode formed on the transparent film base material.
  • the transparent film base material has a connection terminal portion inside one side of the transparent film base material, and has a back side terminal formed so as not to overlap with the front side terminal in a plan view.
  • both of the pair of films are provided with a notch portion in which a region facing the front side terminal and the back side terminal is cut out.
  • it is configured to have a trapezoidal shape that gradually widens from the open end of the notch toward the back, so by gradually widening the trapezoidal shape from the open end of the notch toward the back.
  • the stress applied to the transparent film base material at the notch during pressurization to remove the outer shape is relaxed, and cracks do not occur at the boundary portion of the transparent film base material.
  • the touch sensor 9 of the present invention has a transparent film base material 1, a front side electrode 5 formed on one surface of the transparent film base material 1, and a front side electrode 5 of the transparent film base material 1 formed on the surface.
  • a transparent film base material 1 On the front side terminal 7 formed and connected to the front side electrode 5, the back side electrode 6 formed on the other surface of the transparent film base material 1, and the back side electrode 6 of the transparent film base material 1 are formed.
  • the transparent film base material 1 is connected to the inside of one side of the transparent film base material 1 and has the back side terminal 8 connected to the back side electrode 6 and formed so as not to overlap the front side terminal 7 in a plan view.
  • the touch sensor 9 provided with the notch portion 4 is configured so as to gradually become a wide trapezoidal shape from the opening end 10 of the notch portion 4 toward the inner portion 12 in a plan view. Yes (see Figures 1 (a) and 1 (b)).
  • the transparent film base material 1 has a structure in which a pair of films of the upper protective film 2 and the lower protective film 3 are laminated to prevent damage due to an external impact, and also to prevent damage due to an external impact. Since it is laminated with the upper protective film 2 and the lower protective film 3, it prevents the ingress of moisture and the like from the outside.
  • the upper protective film 2 and the lower protective film 3 are provided with notches 4 for exposing the front side terminals 7 and the back side terminals 8 provided on the transparent film base material 1, respectively.
  • the cutout portion 4 is formed in a trapezoidal shape gradually widening from the opening end 10 toward the inner portion 12.
  • the material constituting the transparent film base material 1 is not particularly limited as long as it is made of a transparent resin, but specifically, cycloolefin polymer (COP), polyethylene terephthalate (PET) and the like. Examples thereof include polyethylene-based resins and polyester-based resins such as polyether sulfone.
  • the thickness of the transparent film base material 1 used in the present invention is such that the front side electrode 5, the back side electrode 6, the front side terminal 7, the back side terminal 8, the connection terminal portion 11, etc. can be stably supported. If there is, it is not particularly limited, but it can usually be in the range of 50 ⁇ m to 100 ⁇ m. Further, the form to be supplied may be either a roll shape or a single-wafer shape, and may be selected according to the processing method and processing machine.
  • the front side electrode 5 in the present invention is formed on one surface of the transparent film base material 1, and the back side electrode 6 is formed on the other surface of the transparent film base material 1. ..
  • the material constituting the front side electrode 5 and the back side electrode 6 is not particularly limited as long as it has desired conductivity, and even a transparent material having transparency can be made transparent. It may be a non-transparent material that does not have, but it is preferably a transparent material.
  • the transparent material in the present invention those generally used for the touch sensor 9 can be used, for example, indium tin oxide (ITO), zinc oxide, indium oxide, antimony-added tin oxide, and fluorine-added oxidation.
  • Metal oxides such as tin, aluminum-added zinc oxide, potassium-added zinc oxide, silicon-added zinc oxide, zinc oxide-tin oxide-based, indium oxide-tin oxide-based, zinc oxide-indium oxide-magnesium oxide-based, and these Examples thereof include materials in which two or more types of metal oxides are composited. Further, as the non-transparent material, for example, metals such as aluminum, molybdenum, silver, chromium and copper and alloys thereof can be used.
  • the formation pattern, thickness, and the like of the front side electrode 5 and the back side electrode 6 can be the same as those of a general touch sensor.
  • the front side terminal 7 in the present invention is formed on the surface on which the front side electrode 5 of the transparent film base material 1 is formed and is connected to the front side electrode 5, and the back side terminal 8 is the back side electrode of the transparent film base material 1.
  • 6 is formed on the surface on which the front side terminal 7 is formed so as not to overlap with the front side terminal 7 in a plan view, is connected to the back side electrode 6, and is formed directly on the surface of the transparent film base material 1 (see FIG. 5). ).
  • the front side terminal 7 and the back side terminal 8 can easily and efficiently connect the touch sensor 9 and the FPC in units of the connection terminal portion 11.
  • the number of terminals included in such a connection terminal portion 11 is appropriately set according to the heat tool or the like used for connecting to the FPC.
  • connection terminal portion 11 is usually composed of a plurality of terminals arranged in parallel on the same surface of the transparent film base material 1 (see FIG. 1 (b)).
  • FIG. 2 is a plan view (a) and a cross-sectional view (b) of the touch sensor 9 according to the embodiment of the present invention.
  • the cross-sectional view of FIG. 2 (b) is a cross-sectional view corresponding to the cross-sectional view taken along the line AA in the plan view of FIG. 2 (a).
  • FIG. 5 is an exploded perspective view of the touch sensor 9 according to the embodiment of the present invention.
  • the distance between the adjacent front side terminal 7 and the back side terminal 8 in the present invention is not particularly limited, and can be general for the touch sensor 9.
  • the material constituting the front side terminal 7 and the back side terminal 8 in the present invention is not particularly limited as long as it can obtain desired conductivity, but for example, aluminum, silver, copper or an alloy thereof may be used. Can be used.
  • the terminal width, thickness, and plan view shape of the front side terminal 7 portion and the back side terminal 8 portion, and the distance between the terminals in the connection terminal portion 11 can be the same as those of a general touch sensor.
  • the upper protective film 2 and the lower protective film 3 in the present invention are not particularly limited as long as they have insulating properties, but when they are formed so as to cover the electrodes, they are transparent. It is preferable to have.
  • the upper protective film 2 and the lower protective film 3 having such insulating properties and transparency include urethane-based resins such as acrylic resin and SiO2, polyester-based resins, polystyrene-based resins, polyamide-based resins, and chlorinated polyolefin resins. , Thermoplastic resins such as chlorinated ethylene-vinyl acetate copolymer resin, cyclized rubber, and Kumaron inden resin.
  • An adhesive film for surface protection (PSA) may be used.
  • the cutout portion 4 in the present invention is formed by cutting out at least a region facing the front side terminal 7 portion and the back side terminal 8 portion.
  • the cutout portion 4 has a back portion 12 and a side portion 19 that continues to both ends of the back portion 12 and reaches the opening end 10.
  • the cutout portion 4 is formed in a trapezoidal shape gradually widening from the opening end 10 toward the inner portion 12 in a plan view (see FIGS. 3 and 5).
  • the stress applied to the transparent film base material 1 of the notch portion 4 at the time of pressurizing the outer shape is relaxed, and cracks are less likely to occur at the boundary portion of the transparent film base material 1.
  • the notch portion 4 preferably has a trapezoidal outer angle 15 within a range of 30 degrees or more and 60 degrees or less. Within such a range, the stress applied to the transparent film base material 1 of the cutout portion 4 is further relaxed, and cracks are less likely to occur at the boundary portion of the transparent film base material 1.
  • the outer angle 15 of the trapezoidal shape may be set to 45 degrees (see FIGS. 3 and 5).
  • FIG. 9 shows a modified example of the present embodiment.
  • the outer angle 15 is used as a method of relieving the stress applied to the transparent film base material 1 of the notch portion 4 at the time of pressurizing the outer shape and making it difficult for cracks to occur at the boundary portion of the transparent film base material 1.
  • the side portion 19 may be cut out in a curved shape, and the outer angle 15 may be, for example, 45 degrees. (See FIG. 9 (a)).
  • the outer angle 15 is 30 degrees or more and 60 degrees.
  • the side portion 19 may be cut out into a polygonal shape as long as it is within the range of degrees or less, and the outer angle 15 can be set to, for example, 45 degrees. (See FIG. 9B).
  • one of the outer angles 15 may be cut out in a curved or polygonal shape within a range of 30 degrees or more and 60 degrees or less.
  • One outer angle 15 can be set to, for example, 45 degrees. (See FIG. 9 (c)).
  • the outer angle 15 is 30 degrees or more and 60 degrees or more. If it is within the range of degrees or less, it is not necessary to adjust the outer angles 15 on both sides to the same angle. That is, the shape of the notch portion 4 may be any shape as long as the outer angle 15 is within the range of 30 degrees or more and 60 degrees or less.
  • the reinforcing material 14 may be provided on the transparent film base material 1 in the regions at both ends straddling from the inside to the outside of the cutout portion 4.
  • the stress applied to the transparent film base material 1 of the notch portion 4 at the time of pressurizing the outer shape can be further relaxed, and cracks can be further less likely to occur at the boundary portion of the transparent film base material 1. (See FIGS. 4 (a), 4 (b), 7).
  • FIG. 4A and 4B are partial plan views of the touch sensor 9 according to the embodiment of the present invention, FIG. 4A is a partial plan view without the reinforcing material 14, and FIG. 4B is provided with the reinforcing material 14. It is a partial plan view.
  • the material of the reinforcing material 14 may be the same as the material constituting the electrode, or may be a different material, and is not particularly limited.
  • the touch sensor 9 of the present invention has at least a transparent film base material 1, a front electrode 5, a front terminal 7, a back electrode 6, a back terminal 8, an upper protective film 2, and a lower protective film 3, but if necessary. It may have other configurations. As such another configuration, for example, a routing wiring 16 for connecting electrodes and terminals can be mentioned.
  • the routing wiring 16 can be the same as that used for a general touch sensor 9. Specifically, those made of the same material as the terminals can be used. Further, the line width of the routing wiring 16 can be set to about 10 ⁇ m to 100 ⁇ m.
  • the transparent film base material 1, the front side electrode 5 formed on one surface of the transparent film base material 1, and the front side electrode 5 of the transparent film base material 1 are formed on the surface on which the front side electrode 5 is formed.
  • the front side terminal 7 connected to the transparent film base material 1, the back side electrode 6 formed on the other surface of the transparent film base material 1, and the back side electrode 6 formed on the back side electrode 6 of the transparent film base material 1 are connected to the back side electrode 6.
  • a first laminated body 21 having a front side terminal 7 and a back side terminal 8 formed so as not to overlap with each other in a plan view, and having a connection terminal portion 11 inside one side of the transparent film base material 1, and transparent.
  • a film base material 1, a back side electrode 6 formed on the back surface of the transparent film base material 1, and a back side electrode 6 formed on the back side electrode 6 of the transparent film base material 1 are connected to the back side electrode 6 and are connected to the back side electrode 6.
  • an adhesive layer 20 is provided between the first laminated body 21 and the second laminated body 22, and the first laminated body 21 has a second laminated body.
  • a cutout portion 4 is provided so as to cut out a region facing the connection terminal portion 11 of the first laminated body 22, and the second laminated body 22 is provided with a cutout portion notched from a region facing the connection terminal portion 11 of the first laminated body 21.
  • Part 4 is provided, and the first laminated body 21 and the second laminated body 22 are laminated with a pair of films of the upper protective film 2 and the lower protective film 3, and in both of the pair of films, the first laminated body 21
  • the first laminated body 21 and the second laminated body 22 are provided in a plan view. 22
  • the upper protective film 2 and the lower protective film 3 all have a trapezoidal shape gradually widening from the opening end 10 of the cutout portion 4 toward the inner portion 12 (see FIGS. 3 and 6).
  • the transparent film base material 1 provided with at least the front side electrode 5, the front side terminal 7, the back side electrode 6, the back side terminal 8, and the connection terminal portion 11 is used as the first laminated body 21, and at least the back side electrode 6 and the back side terminal 8 are provided.
  • the transparent film base material 1 provided with the connection terminal portion 11 was used as the second laminated body 22, and the first laminated body 21 and the second laminated body 22 were laminated with a pair of films of the upper protective film 2 and the lower protective film 3. Others are the same as those of the invention described above.
  • the above aspect is excellent in the effect of blocking electromagnetic energy (so-called noise) emitted from, for example, a light emitting diode (OLED) using an organic substance as a light emitting material or a liquid crystal display (LCD) to the touch sensor 9.
  • a light emitting diode OLED
  • LCD liquid crystal display
  • FIG. 3 is a plan view (a) and a cross-sectional view (b) of the touch sensor 9 according to the embodiment of the present invention.
  • the cross-sectional view of FIG. 3 (b) is a cross-sectional view corresponding to the cross-sectional view taken along the line AA in the plan view of FIG. 3 (a).
  • FIG. 6 is an exploded perspective view of the touch sensor 9 according to the embodiment of the present invention.
  • connection terminal portion 11 of the second laminated body 22 is provided so as not to overlap the connection terminal portion 11 of the first laminated body 21 in a plan view, and the first laminated body 21 is provided at a position corresponding to the FPC adhesive portion.
  • a notch 4 is provided in a region facing the connection terminal portion 11 of the second laminated body 22, and the second laminated body 22 is cut in a region facing the connection terminal portion 11 of the first laminated body 21.
  • a notch 4 is provided, and further, both the upper protective film 2 and the pair of films of the lower protective film 3 face the connection terminal portion 11 of the first laminated body 21 and the connection terminal portion 11 of the second laminated body 22.
  • a notch 4 is provided in the area.
  • an adhesive layer 20 for adhering the first laminated body 21 and the second laminated body 22 is provided between the first laminated body 21 and the second laminated body 22.
  • the cutout portion 4 in the present invention is formed by cutting out at least a region facing the front side terminal 7 portion and the back side terminal 8 portion.
  • the cutout portion 4 has a back portion 12 and a side portion 19 that continues to both ends of the back portion 12 and reaches the opening end 10.
  • the notch portion 4 is formed in a trapezoidal shape gradually widening from the opening end 10 toward the inner portion 12 in a plan view.
  • the notch portion 4 preferably has a trapezoidal outer angle 15 within a range of 30 degrees or more and 60 degrees or less.
  • the trapezoidal outer angle 15 is set to, for example, 45 degrees. Can be.
  • first laminated bodies 21 may be laminated, or a plurality of second laminated bodies 22 may be laminated under the first laminated body 21 according to the purpose.
  • the material forming the transparent film base material 1 is a cycloolefin polymer and has a thickness of 100 ⁇ m.
  • the material forming the front electrode 5 and the back electrode 6 is indium tin oxide (ITO).
  • the material forming the front side terminal 7 and the back side terminal 8 is copper.
  • the material forming the upper protective film 2 and the lower protective film 3 is a surface protective adhesive film (PSA).
  • PSA surface protective adhesive film
  • the cutout portion 4 was formed into a trapezoidal shape gradually widened from the opening end 10 toward the inner portion 12, the outer angle 15 was set to 45 degrees, and the outer shape was punched with the outer die 17 to obtain the touch sensor 9.
  • Comparative Example 1 the side portion 19 of the notch portion 4 was formed into a rectangular shape without being inclined, the outer angle 15 was set to 90 degrees, and the outer shape was punched with the outer die punch 17 to obtain the touch sensor 9. In the touch sensor 9 thus obtained, cracks were generated at the boundary portion of the transparent film base material 1.
  • Example 1 the same as in Example 1 was used except for the above-mentioned angles.
  • the cutout portion 4 is formed in a tapered shape gradually narrowing from the open end 10 toward the inner portion 12, the outer angle 15 is set to 135 degrees, and the outer shape is punched with the outer die 17 and the touch sensor is used. I got 9. In the touch sensor 9 thus obtained, cracks were generated at the boundary portion of the transparent film base material 1.
  • the same as in Example 1 was used except for the above-mentioned angles.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Nonlinear Science (AREA)
  • Optics & Photonics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Ceramic Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mathematical Physics (AREA)
  • Position Input By Displaying (AREA)
  • Laminated Bodies (AREA)
PCT/JP2020/034008 2019-10-23 2020-09-08 タッチセンサ Ceased WO2021079635A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
KR1020217026511A KR102898920B1 (ko) 2019-10-23 2020-09-08 터치 센서
EP20879372.9A EP4026692B1 (en) 2019-10-23 2020-09-08 Touch sensor
CN202080023631.9A CN113614682B (zh) 2019-10-23 2020-09-08 触摸传感器
US17/771,352 US11853517B2 (en) 2019-10-23 2020-09-08 Touch sensor

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019193040A JP6915023B2 (ja) 2019-10-23 2019-10-23 タッチセンサ
JP2019-193040 2019-10-23

Publications (1)

Publication Number Publication Date
WO2021079635A1 true WO2021079635A1 (ja) 2021-04-29

Family

ID=75619777

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2020/034008 Ceased WO2021079635A1 (ja) 2019-10-23 2020-09-08 タッチセンサ

Country Status (7)

Country Link
US (1) US11853517B2 (https=)
EP (1) EP4026692B1 (https=)
JP (1) JP6915023B2 (https=)
KR (1) KR102898920B1 (https=)
CN (1) CN113614682B (https=)
TW (1) TW202117520A (https=)
WO (1) WO2021079635A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN219435166U (zh) * 2023-02-15 2023-07-28 浙江长兴合利光电科技有限公司 一种利用异形切割方法集成触摸显示一体的显示面板结构

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS491660A (https=) 1972-04-18 1974-01-09
WO2015015691A1 (ja) * 2013-07-29 2015-02-05 シャープ株式会社 タッチパネルセンサシートモジュールおよびタッチパネルシステムモジュールの製造方法
WO2016038940A1 (ja) * 2014-09-08 2016-03-17 富士フイルム株式会社 タッチパネル用導電フィルムおよびタッチパネル
CN208938073U (zh) * 2018-10-19 2019-06-04 苏州泛普科技股份有限公司 双层封装型触控面板

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4901660B2 (ja) 2007-09-07 2012-03-21 富士通コンポーネント株式会社 タッチパネル
JP5113960B2 (ja) * 2011-03-31 2013-01-09 日本写真印刷株式会社 静電容量方式のタッチスクリーン
JP5348255B2 (ja) * 2012-01-11 2013-11-20 大日本印刷株式会社 タッチパネルセンサおよびフレキシブルプリント配線板付タッチパネルセンサ
JP2013175611A (ja) * 2012-02-27 2013-09-05 Sanken Electric Co Ltd 半導体発光装置
JP6090478B2 (ja) * 2013-12-27 2017-03-08 株式会社村田製作所 圧電センサ、タッチパネル
TWI647598B (zh) * 2014-03-07 2019-01-11 日商富士軟片股份有限公司 帶有裝飾材料的基板及其製造方法、觸控面板及資訊顯示裝置
JP6244463B2 (ja) * 2014-07-15 2017-12-06 富士フイルム株式会社 積層材料の製造方法、積層材料、透明積層体の製造方法、透明積層体、静電容量型入力装置および画像表示装置
JP6085647B2 (ja) * 2015-08-11 2017-02-22 株式会社フジクラ 配線体アセンブリ、導体層付き構造体、及びタッチセンサ
CN206270921U (zh) * 2015-09-28 2017-06-20 双叶电子工业株式会社 触摸面板
JP6588992B2 (ja) * 2016-01-19 2019-10-09 富士フイルム株式会社 導電フィルム積層体
US20200233535A1 (en) * 2017-03-31 2020-07-23 Fujikura Ltd. Wiring body, wiring board, and touch sensor
CN108984023B (zh) * 2018-06-22 2021-08-10 武汉天马微电子有限公司 一种触摸显示面板和触摸显示装置
CN108873494B (zh) * 2018-07-03 2021-05-25 京东方科技集团股份有限公司 一种显示基板及其制备方法、显示面板、显示装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS491660A (https=) 1972-04-18 1974-01-09
WO2015015691A1 (ja) * 2013-07-29 2015-02-05 シャープ株式会社 タッチパネルセンサシートモジュールおよびタッチパネルシステムモジュールの製造方法
WO2016038940A1 (ja) * 2014-09-08 2016-03-17 富士フイルム株式会社 タッチパネル用導電フィルムおよびタッチパネル
CN208938073U (zh) * 2018-10-19 2019-06-04 苏州泛普科技股份有限公司 双层封装型触控面板

Also Published As

Publication number Publication date
KR20220082779A (ko) 2022-06-17
US11853517B2 (en) 2023-12-26
TW202117520A (zh) 2021-05-01
CN113614682B (zh) 2025-08-22
EP4026692B1 (en) 2023-06-28
EP4026692A4 (en) 2022-11-16
CN113614682A (zh) 2021-11-05
EP4026692A1 (en) 2022-07-13
KR102898920B1 (ko) 2025-12-12
JP2021068189A (ja) 2021-04-30
JP6915023B2 (ja) 2021-08-04
US20220374101A1 (en) 2022-11-24

Similar Documents

Publication Publication Date Title
US7439466B2 (en) Touch panel
US10936133B2 (en) Touch panel including conductive member having electrodes configured to enhance visibility
US20160259447A1 (en) Touch panel and touch display panel
TW201610783A (zh) 層疊構造體、觸摸面板、帶觸摸面板的顯示裝置及其製造方法
KR20120030422A (ko) 정전 용량형 입력 장치
EP3444710B1 (en) Sensor unit and input device provided with sensor unit
US8780067B1 (en) Bridging structure for signal transmission of touch panel
JP6915023B2 (ja) タッチセンサ
KR102105607B1 (ko) 정전 용량식 센서
JP5910106B2 (ja) タッチパネルモジュールおよびタッチパネル付表示装置
US20160147323A1 (en) Touch control panel structure and method of manufacturing the same
JP7738263B2 (ja) 配線構造およびそれを用いたタッチセンサ
KR102262549B1 (ko) 터치 패널
KR102313959B1 (ko) 터치 윈도우
JP5738122B2 (ja) 配線基板および入力装置
KR20150134010A (ko) 터치윈도우
KR20240074837A (ko) 화상 표시 장치용 적층체, 화상 표시 장치 및 모듈
JP2014048675A (ja) タッチパネル
KR102924882B1 (ko) 보호 필름 및 이를 포함하는 표시 장치
JP2014035615A (ja) タッチパネル
JPWO2017175521A1 (ja) 静電容量式センサ
WO2023145673A1 (ja) タッチセンサ
KR20150007715A (ko) 터치 윈도우
JP2018120436A (ja) タッチパネル
KR20150137696A (ko) 터치 윈도우

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 20879372

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 2020879372

Country of ref document: EP

Effective date: 20220408

NENP Non-entry into the national phase

Ref country code: DE

WWG Wipo information: grant in national office

Ref document number: 202080023631.9

Country of ref document: CN