WO2017154959A1 - 配線体アセンブリ、配線構造体、及びタッチセンサ - Google Patents
配線体アセンブリ、配線構造体、及びタッチセンサ Download PDFInfo
- Publication number
- WO2017154959A1 WO2017154959A1 PCT/JP2017/009173 JP2017009173W WO2017154959A1 WO 2017154959 A1 WO2017154959 A1 WO 2017154959A1 JP 2017009173 W JP2017009173 W JP 2017009173W WO 2017154959 A1 WO2017154959 A1 WO 2017154959A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- resin layer
- resin
- wiring body
- terminal portion
- wiring
- Prior art date
Links
Images
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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
- 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
- G02F1/1345—Conductors connecting electrodes to cell terminals
- G02F1/13452—Conductors connecting driver circuitry and terminals of panels
-
- 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
- G02F1/1345—Conductors connecting electrodes to cell terminals
- G02F1/13454—Drivers integrated on the active matrix substrate
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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
- G06F3/0446—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/14—Structural association of two or more printed circuits
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/36—Assembling printed circuits with other printed circuits
Definitions
- the present invention relates to a wiring assembly, a wiring structure, and a touch sensor.
- a wiring assembly for the designated countries where incorporation by reference of documents is permitted, the contents described in Japanese Patent Application No. 2016-047909 filed in Japan on March 11, 2016 are incorporated herein by reference. Part of the description.
- connection structure between a silver electrode terminal of a color plasma display panel and a flexible printed wiring board hereinafter referred to as FPC
- FPC flexible printed wiring board
- connection structure between a terminal part of a wiring body including a resin layer and a terminal part formed on the surface of the resin layer, and a connection wiring body such as an FPC, the exposed portion of the terminal part of the wiring body is sealed with resin.
- the reinforcing effect of the wiring body by the sealing resin can be obtained.
- the wetting and spreading of the resin is not stable when forming the sealing resin, the thickness of the sealing resin varies, thereby increasing the strength of the wiring body in the vicinity of the connection portion with the connection wiring body. Variations occur.
- the problem to be solved by the present invention is to provide a wiring assembly, a wiring structure, and a touch sensor that can stabilize the strength of the wiring body in the vicinity of the connection portion with the connection wiring body.
- the first resin layer, the first terminal portion formed on one surface of the first resin layer, and the first terminal portion are exposed.
- a wiring body comprising a second resin layer formed on the one surface of the first resin layer, a base material, and the first terminal portion formed on one surface of the base material.
- a connection wiring body having a second terminal portion facing each other, and formed between the first terminal portion and the second terminal portion, and the first terminal portion and the second terminal portion.
- a conductive adhesive layer to be bonded, and an end portion of the base material and an end portion of the second resin layer are separated from each other, whereby the first terminal portion includes the second terminal
- the first terminal portion includes the second terminal
- the first terminal portion includes the second terminal
- the first terminal portion includes the second terminal
- the one surface of the first resin layer is in contact with the end portion of the base material
- the second resin layer so as to define a groove portion, or a convex portion formed on the other surface of the base material, and filling between the convex portion and the second resin layer
- a sealing resin that covers the exposed portion of the first terminal portion and satisfies the following expression (1).
- H1 is the height from said one surface of said 1st resin layer to the top end of said convex part
- H2 is said other surface of said base material from said one surface of said 1st resin layer. It is the height to the surface.
- the convex portion is formed integrally with the conductive adhesive layer so as to be in contact with the end portion of the base material on the one surface of the first resin layer.
- You may comprise with the electroconductive adhesive material which comprises an contact bonding layer.
- H3 is the thickness of the second resin layer.
- the sealing resin may extend in a direction intersecting the first terminal portion, and the convex portion extends along a direction in which the sealing resin extends. May be formed.
- the convex portion is an end in a direction intersecting the first convex portion formed along the extending direction of the sealing resin and the terminal portion in the base material. You may provide the 2nd convex part formed along the part.
- the second resin layer may have a cutout portion in which the end portion of the base material is disposed, and the cutout portion may have a corner portion. Moreover, the sealing resin may be filled in the corner.
- a wiring structure according to the present invention includes the wiring body assembly and a support body provided on at least one surface of the wiring body.
- a touch sensor according to the present invention includes the above wiring structure.
- the reinforcing effect of the first resin layer by the sealing resin can be stabilized. Therefore, the strength of the wiring body in the vicinity of the joint with the connection wiring body can be stabilized.
- FIG. 1 is a plan view showing a touch sensor according to an embodiment of the present invention.
- FIG. 2 is an exploded perspective view showing the touch sensor.
- FIG. 3 is an enlarged plan view showing a connection portion between the touch sensor and the connection wiring body.
- 4 is a cross-sectional view taken along line VI-VI in FIG.
- FIG. 5 is a sectional view taken along line VV in FIG.
- FIG. 6 is a cross-sectional view for explaining a connection method between the first wiring body and the connection wiring body.
- FIG. 7 is a cross-sectional view for explaining a connection method between the first wiring body and the connection wiring body.
- FIG. 8 is a graph showing the relationship between the width d of the conductive adhesive material and the height H1 of the convex portion.
- FIG. 9 is a cross-sectional view for explaining a connection method between the first wiring body and the connection wiring body.
- FIG. 10 is an enlarged cross-sectional view illustrating a connection portion between the touch sensor and the connection wiring body according to the comparative example.
- FIG. 11 is an enlarged cross-sectional view illustrating a connection portion between a touch sensor and a connection wiring body according to another embodiment.
- FIG. 12 is an enlarged cross-sectional view illustrating a connection portion between a touch sensor and a connection wiring body according to another embodiment.
- FIG. 13 is an enlarged cross-sectional view illustrating a connection portion between a touch sensor and a connection wiring body according to another embodiment.
- FIG. 14 is an enlarged plan view illustrating a connection portion between a touch sensor and a connection wiring body according to another embodiment.
- FIG. 1 is a plan view showing a touch sensor 10 according to an embodiment of the present invention
- FIG. 2 is an exploded perspective view showing the touch sensor 10.
- the touch sensor 10 shown in FIGS. 1 and 2 is a projected capacitive touch panel sensor, and is used as an input device having a function of detecting a touch position in combination with a display device (not shown), for example. It is done.
- the display device is not particularly limited, and a liquid crystal display, an organic EL display, electronic paper, or the like can be used.
- This touch sensor 10 has a detection electrode and a drive electrode (electrode 22A and electrode 32A described later) disposed so as to face each other, and a connection wiring body 50 is interposed between the two electrodes. A predetermined voltage is periodically applied from an external circuit (not shown).
- a touch sensor 10 for example, when an operator's finger (external conductor) approaches the touch sensor 10, a capacitor (capacitance) is formed between the external conductor and the touch sensor 10, and two electrodes are formed. The electrical state between them changes.
- the touch sensor 10 can detect the operation position of the operator based on an electrical change between the two electrodes.
- the touch sensor 10 includes a wiring assembly 11 and a cover panel 70.
- the wiring assembly 11 includes a first wiring body 20, a second wiring body 30 provided on the first wiring body 20, and a coating resin layer 40 provided on the second wiring body 30. And a connection wiring body 50.
- the first wiring body 20, the second wiring body 30, and the coating resin layer 40 are configured to have transparency (translucency) as a whole in order to ensure the visibility of the display device. Yes.
- the first wiring body 20 includes a first support resin layer 21 formed in a rectangular shape, a plurality of detection electrodes 22A formed on the upper surface of the first support resin layer 21, a plurality of lead lines 22B, and a plurality Terminal portion 22C.
- the first support resin layer 21 is made of a resin material having transparency.
- the resin material having transparency include, for example, UV curable resins such as epoxy resins, acrylic resins, polyester resins, urethane resins, vinyl resins, silicone resins, phenol resins, polyimide resins, thermosetting resins or thermoplastic resins. Etc. can be illustrated.
- the electrode 22A has a mesh shape. Each electrode 22A extends in the Y direction in the figure, and the plurality of electrodes 22A are arranged in parallel in the X direction in the figure.
- One end of a lead wire 22B is connected to one end in the longitudinal direction of each electrode 22A.
- Each lead wire 22 ⁇ / b> B extends from one end in the longitudinal direction of each electrode 22 ⁇ / b> A to a connection portion with the connection wiring body 50.
- a terminal portion 22C is provided at the other end of each lead wire 22B, and this terminal portion 22C is electrically connected to the connection wiring body 50.
- the electrode 22A, the lead wire 22B, and the terminal portion 22C are composed of a conductive material (conductive particles) and a binder resin.
- Conductive materials include metallic materials such as silver, copper, nickel, tin, bismuth, zinc, indium, palladium, graphite, carbon black (furnace black, acetylene black, ketjen black), carbon nanotubes, carbon nanofibers, etc. Can be mentioned.
- a metal salt may be used as the conductive material.
- the metal salt include the above-described metal salts.
- the binder resin include acrylic resin, polyester resin, epoxy resin, vinyl resin, urethane resin, phenol resin, polyimide resin, silicone resin, and fluorine resin.
- Such electrodes 22A, lead wires 22B, and terminal portions 22C are formed by applying and curing a conductive paste.
- a conductive paste configured by mixing the above-described conductive material and binder resin in water or a solvent and various additives can be exemplified.
- the solvent contained in the conductive paste include ⁇ -terpineol, butyl carbitol acetate, butyl carbitol, 1-decanol, butyl cellosolve, diethylene glycol monoethyl ether acetate, and tetradecane.
- the number of electrodes 22A included in the first wiring body 20 is not particularly limited and can be arbitrarily set. Further, the number of lead wires 22B and terminal portions 22C included in the first wiring body 20 is set according to the number of electrodes 22A.
- the second wiring body 30 includes a second support resin layer 31 formed in a rectangular shape, a plurality of detection electrodes 32A formed on the upper surface of the second support resin layer 31, a plurality of lead lines 32B, and a plurality Terminal portion 32C.
- the second support resin layer 31 is formed so as to cover the upper surface of the first support resin layer 21, the electrode 22 ⁇ / b> A, and the lead wire 22 ⁇ / b> B.
- a rectangular cutout portion 31A is formed on one side of the second support resin layer 31, and a part of the first wiring body 20 including the connection portion with the connection wiring body 50 is a cutout portion. In 31A, it has exposed from the 2nd support resin layer 31, and the exposed part turns into the terminal part 22C.
- the second support resin layer 31 is made of a resin material having transparency.
- the resin material having transparency include, for example, UV curable resins such as epoxy resins, acrylic resins, polyester resins, urethane resins, vinyl resins, silicone resins, phenol resins, polyimide resins, thermosetting resins or thermoplastic resins. Etc. can be illustrated.
- the electrode 32A has a mesh shape. Each electrode 32A extends in the Y direction in the figure, and the plurality of electrodes 32A are arranged in parallel in the X direction in the figure.
- One end of a lead wire 32B is connected to one end in the longitudinal direction of each electrode 32A.
- Each lead line 32 ⁇ / b> B extends from one end in the longitudinal direction of each electrode 32 ⁇ / b> A to a connection portion with the connection wiring body 50.
- a terminal portion 32C is provided at the other end of each lead wire 32B, and this terminal portion 32C is electrically connected to the connection wiring body 50.
- the electrode 32A, the lead wire 32B, and the terminal portion 32C are composed of a conductive material (conductive particles) and a binder resin.
- Conductive materials include metallic materials such as silver, copper, nickel, tin, bismuth, zinc, indium, palladium, graphite, carbon black (furnace black, acetylene black, ketjen black), carbon nanotubes, carbon nanofibers, etc. Can be mentioned.
- a metal salt may be used as the conductive material.
- the metal salt include the above-described metal salts.
- the binder resin include acrylic resin, polyester resin, epoxy resin, vinyl resin, urethane resin, phenol resin, polyimide resin, silicone resin, and fluorine resin.
- Such electrodes 32A, lead wires 32B, and terminal portions 32C are formed by applying and hardening a conductive paste.
- a conductive paste configured by mixing the above-described conductive material and binder resin in water or a solvent and various additives can be exemplified.
- the solvent contained in the conductive paste include ⁇ -terpineol, butyl carbitol acetate, butyl carbitol, 1-decanol, butyl cellosolve, diethylene glycol monoethyl ether acetate, and tetradecane.
- the number of the electrodes 32A included in the second wiring body 30 is not particularly limited and can be arbitrarily set. Further, the number of lead wires 32B and terminal portions 32C included in the second wiring body 30 is set according to the number of electrodes 32A.
- the covering resin layer 40 is formed in a rectangular shape, and the covering resin layer 40 is formed so as to cover the upper surface of the second support resin layer 31 of the second wiring body 30, the electrode 32A, and the lead wire 32B. Yes.
- a rectangular cutout portion 40A is formed on one side of the coating resin layer 40, and a part of the second wiring body 30 including the connection portion with the connection wiring body 50 is formed in the cutout portion 40A. It is exposed from the second support resin layer 31, and the exposed portion becomes the terminal portion 32C. Further, a part of the first wiring body 20 including the connection portion with the connection wiring body 50 is also exposed from the coating resin layer 40 in the cutout portion 40A.
- the covering resin layer 40 is made of a resin material having transparency.
- the resin material having transparency include, for example, UV curable resins such as epoxy resins, acrylic resins, polyester resins, urethane resins, vinyl resins, silicone resins, phenol resins, polyimide resins, thermosetting resins or thermoplastic resins. Etc. can be illustrated.
- the coating resin layer 40 may be a multilayer.
- the first layer located on the second wiring body 30 side is a UV curable resin such as the above-described epoxy resin, acrylic resin, polyester resin, urethane resin, vinyl resin, silicone resin, phenol resin, polyimide resin, A thermosetting resin or a thermoplastic resin is used
- the second layer located on the side opposite to the second wiring body 30 (the cover panel 70 side) is a silicon resin adhesive, an acrylic resin adhesive, a urethane resin adhesive.
- a known adhesive such as a polyester resin adhesive may be used as the adhesive layer.
- a cover panel 70 is bonded to the upper surface of the coating resin layer 40 via a transparent adhesive layer 60 (see FIGS. 4 and 5).
- the transparent adhesive layer 60 is an optical transparent adhesive film, and can be formed using a known adhesive such as a silicon resin adhesive, an acrylic resin adhesive, a urethane resin adhesive, a polyester resin adhesive, or the like. it can.
- the transparent adhesive layer 60 is formed on the lower surface of the cover panel 70 in advance, but the coating resin layer 40 has a multilayer structure, and the layer on the cover panel 70 side of the coating resin layer 40 is bonded. In the case of a layer, since the formation of the transparent adhesive layer 60 is not necessary, the transparent adhesive layer 60 may be omitted.
- the transparent adhesive layer 60 is formed on the lower surface of the cover panel 70 in advance, the transparent adhesive layer 60 exists on the notches 31A and 40A, but the coating resin layer 40 has a multilayer structure.
- the layer on the cover panel 70 side of the covering resin layer 40 is an adhesive layer, there is no adhesive layer on the notches 31A and 40A.
- the cover panel 70 includes a transparent part 71 capable of transmitting visible light and a shielding part 72 for shielding visible light.
- the transparent portion 71 is formed in a rectangular shape, and the shielding portion 72 is formed in a rectangular frame shape around the transparent portion 71.
- the transparent material constituting the cover panel 70 include glass materials such as soda lime glass and borosilicate glass, and resin materials such as polymethyl methacrylate (PMMA) and polycarbonate (PC).
- the shielding part 72 is formed by applying, for example, black ink to the outer peripheral part of the back surface of the cover panel 70.
- the connection wiring body 50 is an FPC, and includes a strip-like base material 51, a plurality of wirings 52 and a plurality of wirings 53 formed on the lower surface of the base material 51.
- the base material 51 can be comprised from the film material which consists of a polyethylene terephthalate (PET), a polyethylene naphthalate (PEN), a polyimide resin (PI), polyetherimide resin (PEI) etc., for example.
- the slit 51C is formed in the width direction center part of the longitudinal direction one end of the base material 51, and the longitudinal direction one end of the base material 51 is divided into the width direction by the slit 51C.
- One end of a plurality of wirings 52 is provided on the lower surface of one side (first branch portion 51A) of one end in the longitudinal direction of the base material 51, and the other side (second branch portion 51B) of one end in the longitudinal direction of the base material 51. ) Is provided with one end of a plurality of wirings 53.
- the plurality of wirings 52 are provided corresponding to the plurality of lead lines 22B of the first wiring body 20.
- the plurality of wirings 52 are parallel to each other.
- One end of each wiring 52 is provided with a terminal portion 52C corresponding to the terminal portion 22C of the lead wire 22B.
- the plurality of wirings 53 are provided corresponding to the plurality of lead lines 32 ⁇ / b> B of the second wiring body 30.
- the plurality of wirings 53 are parallel to each other.
- One end of each wiring 53 is provided with a terminal portion 53C corresponding to the terminal portion 32C of the lead wire 32B.
- the material which comprises the wirings 52 and 53 is not specifically limited, What is necessary is just to use the material similar to leader line 22B, 32B.
- connection wiring body 50 is not limited to FPC, For example, it is good also as other wiring boards, such as a rigid board
- FIG. 3 is an enlarged plan view showing a connection portion between the touch sensor 10 and the connection wiring body 50
- FIG. 4 is a cross-sectional view taken along the line IV-IV in FIG. 3, and FIG. It is sectional drawing along the V line.
- the adhesive portion 51 ⁇ / b> D on the tip side of the first branch portion 51 ⁇ / b> A and the region in the cutout portion 31 ⁇ / b> A of the first support resin layer 21 are mutually connected via the conductive adhesive layer 80.
- the terminal portion 52C of the wiring 52 and the terminal portion 22C of the lead wire 22B are opposed to each other with the conductive adhesive layer 80 therebetween.
- the conductive adhesive layer 80 has a function of electrically and mechanically connecting the terminal portion 52C and the terminal portion 22C to each other. Further, the conductive adhesive layer 80 has a function of insulating terminals adjacent to each other. Examples of the conductive adhesive layer 80 include an anisotropic conductive film (Anisotropic Conductive Film, ACF) and an anisotropic conductive paste (Anisotropic Conductive Paste, ACP).
- ACF anisotropic Conductive Film
- ACP anisotropic Conductive Paste
- terminal portion 52C and the terminal portion 22C may be electrically and mechanically connected to each other using a metal paste such as a silver paste or a solder paste without using an anisotropic conductive material. In this case, it is necessary to form a plurality of adhesive layers at intervals so that adjacent terminals are insulated from each other.
- the second support resin layer 31 is formed with an interval from the adhesive portion 51D of the first branch portion 51A. Thereby, in the cutout portion 31 ⁇ / b> A, the upper surface of the first support resin layer 21 and the terminal portion 22 ⁇ / b> C of the first wiring body 20 are connected to the first branch portion 51 ⁇ / b> A, the conductive adhesive layer 80, and the second support resin layer 31. Is exposed from.
- a height H4 from the upper surface of the first support resin layer 21 to the upper surface of the second support resin layer 31 is a height H2 from the upper surface of the first support resin layer 21 to the upper surface of the adhesive portion 51D of the first branch portion 51A. It is larger than It is not essential that the height H4 is larger than the height H2.
- the height H0 from the upper surface of the first support resin layer 21 to the upper surface of the transparent adhesive layer 60 or the upper surface of the first support resin layer 21 is not necessarily required.
- the height H3 from the upper surface of the coating resin layer 40 to the upper surface of the coating resin layer 40 only needs to satisfy the relationship expressed by the following formula (2 ′) and the following formula (2).
- a convex portion 82 is formed from one end of the tip 51E to the other end along the tip 51E of the first branch portion 51A.
- the convex portion 82 is integrally formed with the conductive adhesive layer 80 by using a conductive adhesive material constituting the conductive adhesive layer 80.
- the convex portion 82 protrudes from the upper surface of the first support resin layer 21 in contact with the tip 51E of the first branch portion 51A.
- the height H1 from the upper surface of the first support resin layer 21 to the top end of the convex portion 82 and the height H2 from the upper surface of the first support resin layer 21 to the upper surface of the adhesive portion 51D of the first branch portion 51A are: It is preferable that the relationship of the following formula (1) is satisfied. H1> H2 (1)
- the height H0 from the upper surface of the first support resin layer 21 to the upper surface of the transparent adhesive layer 60 and the height H1 from the upper surface of the first support resin layer 21 to the top end of the convex portion 82 are expressed by the following formula (2 ′) It is preferable that the relationship is satisfied because the convex portion 82 does not contact the cover panel 70. Furthermore, it is preferable that the height H1 and the height H3 from the upper surface of the first support resin layer 21 to the upper surface of the coating resin layer 40 satisfy the relationship of the following formula (2). H0 ⁇ H1 (2 ') H3 ⁇ H1 (2)
- the convex portion 82 is formed so as to extend in parallel to the wall surface 31B of the second support resin layer 31 (the depth direction in FIG. 4 and the direction parallel to the extending direction of the tip 51E).
- a groove 86 is formed by the convex portion 82, the wall surface 31 ⁇ / b> B, and the upper surface of the first support resin layer 21.
- the groove 86 is filled with the sealing resin 90, and the exposed portion of the terminal portion 22C exposed from the first branch portion 51A, the conductive adhesive layer 80, the convex portion 82, and the second support resin layer 31, It is sealed with a sealing resin 90.
- the conductive adhesive layer 80 is formed by curing a liquid conductive adhesive, the upper surface of the first support resin layer 21 and the second support resin layer 31 are in contact with the end portion of the substrate 51.
- channel 86 with the wall surface 31B is not formed.
- the conductive adhesive layer 80 is formed using an anisotropic conductive film or an anisotropic conductive paste whose viscosity is adjusted, so that the first support resin layer 21 is in contact with the end of the substrate 51.
- a convex portion 82 that defines the groove 86 can be formed together with the upper surface of the second support resin layer 31 and the wall surface 31B of the second support resin layer 31.
- the sealing resin 90 extends from one end of the groove 86 to the other end, and has a function of reinforcing a region between the convex portion 82 in the first support resin layer 21 and the wall surface 31B of the second support resin layer 31. Have. Thereby, the reliability of the mechanical strength of the terminal portion 22C and the lead wire 22B is improved.
- the sealing resin 90 protrudes from both ends of the groove 86 and spreads to both sides in the longitudinal direction of the bonding portion 51D.
- the sealing resin 90 is filled up to the corner 31C of the notch 31A and the corner 40C of the notch 40A.
- the resin material constituting the sealing resin 90 is an epoxy resin, an acrylic resin, a polyester resin, a urethane resin, a vinyl resin, a silicone resin, a phenol resin, a polyimide resin, a UV curable resin, a thermosetting resin, a thermoplastic resin, or the like. Can be illustrated.
- the adhesive portion 51F on the tip side of the second branch portion 51B and the region in the cutout portion 40A of the coating resin layer 40 are interposed via the conductive adhesive layer 80 similar to the above. Are opposed to each other in the vertical direction and are bonded by a conductive adhesive layer 80. Further, the terminal portion 53C of the wiring 53 and the terminal portion 32C of the lead wire 32B are opposed to each other via the conductive adhesive layer 80, and are electrically and mechanically connected by the conductive adhesive layer 80. ing.
- the covering resin layer 40 is formed with an interval from the bonding portion 51F of the second branch portion 51B. Thereby, in the cutout portion 40A, the upper surface of the second support resin layer 31 and the terminal portion 32C of the second wiring body 30 are exposed from the second branch portion 51B, the conductive adhesive layer 80, and the coating resin layer 40. is doing.
- the height H8 from the upper surface of the second support resin layer 31 to the upper surface of the coating resin layer 40 is compared with the height H6 from the upper surface of the second support resin layer 31 to the upper surface of the adhesive portion 51D of the first branch portion 51A. And it is getting bigger. It is not essential that the height H8 is larger than the height H6.
- the height H7 from the upper surface of the second support resin layer 31 to the upper surface of the transparent adhesive layer 60 and the upper surface of the second support resin layer 31 are not necessarily required.
- the height H8 to the upper surface of the coating resin layer 40 should satisfy the relationship of the following formula (4) and the following formula (5).
- a convex portion 84 is formed from one end of the tip 51G to the other end along the tip 51G of the second branch portion 51B.
- the convex portion 84 is formed integrally with the conductive adhesive layer 80 by using a conductive adhesive material constituting the conductive adhesive layer 80.
- the convex portion 84 protrudes from the upper surface of the second support resin layer 31 in contact with the tip 51G of the second branch portion 51B.
- the height H5 from the upper surface of the second support resin layer 31 to the top end of the convex portion 84 and the height H6 from the upper surface of the second support resin layer 31 to the upper surface of the adhesive portion 51F of the second branch portion 51B are: It is preferable that the relationship of the following formula (3) is satisfied. H5> H6 (3)
- a height H7 from the upper surface of the second support resin layer 31 to the upper surface of the transparent adhesive layer 60 and a height H5 from the upper surface of the second support resin layer 31 to the top end of the convex portion 84 are expressed by the following formula (4). It is preferable that the relationship is satisfied because the convex portion 84 does not contact the cover panel 70. Furthermore, it is preferable that the height H5 and the height H8 from the upper surface of the second support resin layer 31 to the upper surface of the coating resin layer 40 satisfy the relationship of the following formula (5). H7 ⁇ H5 (4) H8 ⁇ H5 (5)
- the convex portion 84 is formed so as to extend in parallel to the wall surface 40B of the coating resin layer 40 (the depth direction in FIG. 5 and the direction parallel to the extending direction of the tip 51G).
- a groove 88 is formed by the convex portion 84, the wall surface 40 ⁇ / b> B, and the upper surface of the second support resin layer 31.
- the groove 88 is filled with a sealing resin 90, and the exposed portion of the terminal portion 32C exposed from the second branch portion 51B, the conductive adhesive layer 80, the convex portion 84, and the coating resin layer 40 is sealed. Sealed with resin 90.
- the conductive adhesive layer 80 is formed by curing a liquid conductive adhesive, the upper surface of the second support resin layer 31 and the wall surface 40B of the coating resin layer 40 are in contact with the end of the base material 51.
- the convex portion 84 that defines the groove 88 is not formed.
- the conductive adhesive layer 80 is formed using an anisotropic conductive film or an anisotropic conductive paste whose viscosity is adjusted, so that the second support resin layer 31 is in contact with the end of the substrate 51. It is possible to form a convex portion 84 that defines the groove 88 together with the upper surface of the cover and the wall surface 40B of the coating resin layer 40.
- the sealing resin 90 extends from one end of the groove 88 to the other end, and has a function of reinforcing a region between the convex portion 84 in the second support resin layer 31 and the wall surface 40B of the coating resin layer 40. Thereby, the reliability of the mechanical strength of the terminal portion 32C and the lead wire 32B is improved. Note that the sealing resin 90 may protrude from both ends of the groove 88 and extend to both sides in the longitudinal direction of the bonding portion 51D.
- connection method between the touch sensor 10 and the connection wiring body 50 will be described. Since the connection method between the first wiring body 20 and the connection wiring body 50 and the connection method between the second wiring body 30 and the connection wiring body 50 are the same, the description of the latter connection method is omitted. The description of the former connection method is incorporated.
- FIGS. 6 and 7 are cross-sectional views for explaining a connection method between the first wiring body 20 and the connection wiring body 50.
- FIG. As shown in FIGS. 6 and 7, the convex portion 82 is formed together with thermocompression bonding via the terminal portion 52 ⁇ / b> C of the connection wiring body 50, the terminal portion 22 ⁇ / b> C of the first wiring body 20, and the conductive adhesive layer 80.
- the substrate 12 is provided on the lower surface of the first support resin layer 21 when the touch sensor 10 is manufactured.
- a conductive adhesive material 81 such as ACF or ACP constituting the conductive adhesive layer 80 is disposed in the adhesive region of the first support resin layer 21.
- the width D1 of the conductive adhesive material 81 is set larger than the width D2 of the adhesive portion 51D of the first branch portion 51A.
- the conductive adhesive material 81 is eaten from the region 81A interposed between the adhesive portion 51D of the first branch portion 51A and the first support resin layer 21 and the adhesive portion 51D of the first branch portion 51A.
- the thickness t of the conductive adhesive material 81 is set larger than the thickness required for bonding the terminal portion 52C and the terminal portion 22C. For example, when the thickness of the substrate 51 is 30 ⁇ m and the thickness of the wiring 52 is 35 ⁇ m, the thickness t of the conductive adhesive material 81 is set to 35 ⁇ m.
- the conductive adhesive material 81 is sandwiched between the bonding portion 51 ⁇ / b> D of the first branch portion 51 ⁇ / b> A and the bonding region of the first support resin layer 21 by the pressure bonding head 1 and the pressure bonding table 2. It is thermocompression bonded in the state.
- the region 81A of the conductive adhesive material 81 is reduced in thickness
- the region 81B of the conductive adhesive material 81 is the tip 51E of the first branch portion 51A and the side surface of the crimping head 1. Raises in contact with.
- the convex part 82 which protruded from the upper surface of the 1st support resin layer 21 to the height H1 exceeding the upper surface of the adhesion part 51D of the 1st branch part 51A is formed.
- FIG. 8 is a graph showing test results for confirming the relationship between the width d of the region 81B of the conductive adhesive material 81 and the height H1 of the convex portion 82. As shown in this graph, it was confirmed that the height H1 of the convex portion 82 tends to increase as the width d of the region 81B of the conductive adhesive material 81 increases.
- an anisotropic conductive film (thickness 35 ⁇ m) of model number CP801CM-35C manufactured by Dexerials Corporation was used, the width and interval of the terminal portion 52C were each 0.2 mm, and the thickness of the base 51 was 30 ⁇ m, and the thickness of the terminal portion 52C was 35 ⁇ m.
- the terminal portion 52C of the connection wiring body 50 and the terminal portion 22C of the first wiring body 20 are thermocompression bonded through the conductive adhesive material 81, and the convex resin 82 is formed, and then the sealing resin 90 is formed. .
- the liquid resin is filled into a groove 86 formed by the convex portion 82, the wall surface 31B of the second support resin layer 31 and the upper surface of the first support resin layer 21, and cured.
- the liquid resin is filled by dropping the liquid resin into the groove 86 using a dispenser and spreading the dropped liquid resin over the entire groove 86.
- the liquid resin at the time of filling tends to wet and spread not only in the extending direction of the sealing resin 90 but also in the width direction.
- the convex portion 82 exists on one side in the width direction of the sealing resin 90 and the second support resin layer 31 and the coating resin layer 40 exist on the other side, the liquid resin at the time of filling is the convex portion 82.
- the second supporting resin layer 31 and the covering resin layer 40 are blocked, so that wetting and spreading of the liquid resin in the width direction during filling is limited.
- the liquid resin at the time of filling spreads in the extending direction with a constant width, and increases the deposition height in the groove 86.
- FIG. 10 is an enlarged cross-sectional view showing a connection portion between the touch sensor 10 and the connection wiring body 50 according to the comparative example.
- the above-mentioned convex part 82 is not provided. Therefore, when forming the sealing resin 90, the liquid resin at the time of filling spreads wet on the first branch portion 51A.
- the sealing resin 90 covering the first support resin layer 21 varies in the extending direction of the sealing resin 90. Accordingly, the reinforcing effect of the first support resin layer 21 by the sealing resin 90 varies. In addition, since the sealing resin 90 has a thinner portion than the desired thickness, the reinforcing effect of the first support resin layer 21 by the sealing resin 90 is reduced. Furthermore, when the sealing resin 90 comes to have fluidity due to heat or the like, the sealing resin 90 spreads on the first branch portion 51A.
- the height H ⁇ b> 1 from the top surface of the first support resin layer 21 to the top end of the convex portion 82 is the first height from the top surface of the first support resin layer 21. Since the height H2 up to the upper surface of the adhesive portion 51D of the first branch portion 51A is set, the liquid resin at the time of filling fills the convex portion 82, the second support resin layer 31, and the coating resin layer 40. By being stopped, the spreading of the sealing resin 90 in the width direction is limited. Thereby, it becomes easy to control the thickness of the liquid resin filled between the tip 51E of the first branch portion 51A and the wall surface 31B of the second support resin layer 31.
- the first support resin layer 21 is reinforced by the sealing resin 90. It is possible to suppress variations in the effect.
- the entire sealing resin 90 can be formed to a desired thickness, the reinforcing effect of the first support resin layer 21 by the sealing resin 90 can be improved.
- the sealing resin 90 is blocked by the convex portion 82, the second support resin layer 31, and the coating resin layer 40. This restricts the wetting and spreading of the sealing resin 90 in the width direction.
- the second wiring body 30 as shown in FIG.
- the height H ⁇ b> 5 from the upper surface of the second support resin layer 31 to the top end of the convex portion 84 is second from the upper surface of the second support resin layer 31.
- the convex portion 82 is formed integrally with the conductive adhesive layer 80 on the upper surface of the first support resin layer 21 so as to be in contact with the tip 51E of the first branch portion 51A.
- 80 is made of a conductive adhesive material.
- the convex portion 82 having such a configuration is used for thermocompression bonding of the terminal portion 52C of the connection wiring body 50 and the terminal portion 22C of the first wiring body 20 via the conductive adhesive material 81. Can be formed. Therefore, a single process for forming the convex portion 82 can be eliminated, and the number of steps can be reduced.
- the convex portion 84 is formed integrally with the conductive adhesive layer 80 on the upper surface of the second support resin layer 31 so as to be in contact with the tip 51G of the second branch portion 51B.
- the thickness H3 of the second support resin layer 31 and the coating resin layer 40 formed on the first support resin layer 21 is such that the top portion of the convex portion 82 extends from the top surface of the first support resin layer 21. Is set to a height H1 or higher.
- the thickness H8 of the coating resin layer 40 formed on the second support resin layer 31 is high from the upper surface of the second support resin layer 31 to the top of the convex portion 84.
- the sealing resin 90 is filled up to the corner 31C of the notch 31A and the corner 40C of the notch 40A, so that the second support resin layer 31 and the coating resin layer 40 are filled.
- a temperature cycle is given, it is possible to suppress the occurrence of cracks in the corner 31C of the notch 31A and the corner 40C of the notch 40A.
- FIG. 11 is an enlarged cross-sectional view showing a connection portion between the touch sensor 10 and the connection wiring body 50 according to another embodiment.
- symbol is attached
- the sealing resin 90 includes the convex portion 82, the wall surfaces 31 ⁇ / b> B and 40 ⁇ / b> B, and the upper surface of the first support resin layer 21.
- the one end side in the width direction of the sealing resin 90 covers a part of the first branch portion 51A. That is, the thickness of the sealing resin 90 that covers the first support resin layer 21 is larger than that of the above-described embodiment, and one end in the width direction of the sealing resin 90 is covered with the convex portion 82. In the state, it spreads over the first branch part 51A.
- the sealing resin 90 has a first branch in the first support resin layer 21 in addition to the function of reinforcing the region between the convex portion 82 and the wall surfaces 31B and 40B in the first support resin layer 21. It also has a function of reinforcing the adhesion area of the part 51A with the adhesion part 51D. Thereby, the reliability of the connection between the terminal portion 22C and the terminal portion 52C can be improved.
- the convex portion 82 is present on one side in the width direction of the sealing resin 90 and the second support resin layer 31 and the covering resin layer 40 are present on the other side.
- the liquid resin is reliably filled up to the height of the convex portion 82. Therefore, it is possible to suppress variation in the thickness of the sealing resin 90 covering the first supporting resin layer 21 in the extending direction of the sealing resin 90, and the reinforcing effect of the first supporting resin layer 21 by the sealing resin 90. It is possible to suppress the occurrence of unevenness.
- FIG. 12 is an enlarged cross-sectional view illustrating a connection portion between the touch sensor 10 and the connection wiring body 50 according to another embodiment.
- symbol is attached
- the convex portion 82 is formed separately from the conductive adhesive layer 80.
- various resin materials having insulating properties can be used.
- epoxy resin, acrylic resin, polyester resin, urethane resin, vinyl resin, silicone resin, phenol resin And UV curable resin such as polyimide resin, thermosetting resin or thermoplastic resin.
- the sealing resin 90 is filled in a groove 86 formed by the convex portion 82, the wall surfaces 31 ⁇ / b> B and 40 ⁇ / b> B, and the upper surface of the first support resin layer 21.
- the formation method of the convex part 82 in this embodiment is demonstrated.
- the protruding portion 82 is formed after the terminal portion 52C of the connection wiring body 50 and the terminal portion 22C of the first wiring body 20 are thermocompression bonded through the conductive adhesive layer 80.
- a resin material is applied along the tip 51E of the first branch 51A.
- the deposition height of the resin material is increased as compared with the height of the upper surface of the bonding portion 51D of the first branch portion 51A.
- the resin material is cured by a method such as heating or ultraviolet irradiation. Thereby, the convex part 82 which protruded from the upper surface of the 1st support resin layer 21 to the height exceeding the upper surface of the adhesion part 51D of the 1st branch part 51A is formed.
- FIG. 13 is an enlarged cross-sectional view illustrating a connection portion between the touch sensor 10 and the connection wiring body 50 according to another embodiment.
- symbol is attached
- a convex portion 82 is formed on the adhesive portion 51D of the first branch portion 51A.
- the convex part 82 is formed so as to extend in parallel to the tip 51E of the first branch part 51A. What is necessary is just to set the distance X of the convex part 82 and the front-end
- UV curable resin such as an epoxy resin, an acrylic resin, a polyester resin, a urethane resin, a vinyl resin, a silicone resin, a phenol resin, a polyimide resin, thermosetting, for example Examples thereof include a thermoplastic resin and a thermoplastic resin.
- FIG. 14 is an enlarged plan view showing a connection portion between the touch sensor 10 and the connection wiring body 50 according to another embodiment.
- symbol is attached
- the convex portion 82 extends from one end of the tip 51E to the other end along the tip 51E of the first branch portion 51A.
- the first convex portion 82A formed to the end, and the second convex portion 82B formed at both ends in the extending direction of the first convex portion 82A.
- the second convex portions 82B are formed on the upper surface of the first support resin layer 21 along the end portions 51H on both sides in the width direction of the first branch portion 51A (the direction orthogonal to the terminal portion 52C). ing.
- the convex part 82 is formed so as to extend along the end face at the tip of the first branch part 51A and to extend to both end faces in the width direction of the first branch part 51A.
- the convex portion 84 includes a first convex portion 84A formed from one end to the other end of the tip 51G along the tip 51G of the second branch portion 51B, and an extending direction of the first convex portion 84A. 2nd convex part 84B formed in the both ends.
- the second convex portions 84B are formed on the upper surface of the second support resin layer 31 along the end portions 51I on both sides in the width direction of the second branch portion 51B (direction orthogonal to the terminal portion 53C). ing. That is, the convex part 84 is formed so as to extend along the end face at the tip of the second branch part 51B and to extend to both end faces in the width direction of the second branch part 51B.
- the “first wiring body 20” and the “second wiring body 30” in the above embodiment correspond to an example of the “wiring body” in the present invention.
- the “first support resin layer 21” in the above embodiment is the “first resin layer” in the present invention.
- the “terminal portion 22C” in the above embodiment corresponds to the “first terminal portion” in the present invention, and the “second supporting resin layer 31” and the “covering resin layer 40” in the above embodiment are in the present invention. Corresponds to the “second resin layer”.
- the “second wiring body 30” in the above embodiment corresponds to the “wiring body” in the present invention
- the “first supporting resin layer 21” and the “second supporting resin layer 31” in the above embodiment corresponds to the “first resin layer” in the present invention
- the “terminal portion 32C” in the above embodiment corresponds to the “first terminal portion” in the present invention
- the “covering resin layer 40” in the above embodiment corresponds to the “second resin layer” in the present invention.
- connection wiring body 50 in the above embodiment corresponds to an example of the “connection wiring body” in the present invention
- base material 51 in the above embodiment corresponds to an example of the “base material” in the present invention
- the “terminal portion 52C” in the above embodiment is an example of the “second terminal portion” in the present invention. Equivalent to.
- the “second wiring body 30” in the above embodiment corresponds to the “wiring body” in the present invention
- the “terminal portion 53C” in the above embodiment corresponds to the “second terminal portion” in the present invention. It corresponds to an example.
- the “conductive adhesive layer 80” in the above embodiment corresponds to an example of the “conductive adhesive layer” in the present invention.
- the “tip 51E” in the above embodiment corresponds to an example of the “end of the base material” in the present invention.
- the “wall surface 31B” and “wall surface 40B” in the above embodiment correspond to an example of “an end portion of the second resin layer” in the present invention.
- the “tip 51G” in the above embodiment is an example of the “end portion of the base material” in the present invention.
- the “wall surface 40B” in the above embodiment corresponds to an example of the “end portion of the second resin layer” in the present invention.
- the “convex portion 82” and “convex portion 84” in the above embodiment correspond to an example of the “convex portion” in the present invention
- the “sealing resin 90” in the above embodiment is an example of the “sealing resin” in the present invention. It corresponds to.
- the “first convex portion 82A” and the “first convex portion 84A” in the above invention correspond to an example of the “first convex portion” in the present invention
- the “second convex portion 82B”, “ The “second convex portion 84B” corresponds to an example of the “second convex portion” in the present invention.
- the “notch portion 31A” and the “notch portion 40A” in the above embodiment correspond to an example of the “notch portion” in the present invention
- the “wiring body assembly 11” in the above embodiment corresponds to an example of the “wiring body assembly” in the present invention
- the “base material 12” and the “cover panel 70” in the above embodiment are examples of the “supporting body” in the present invention
- the “touch sensor 10” in the above embodiment corresponds to an example of the “wiring structure” and “touch sensor” in the present invention.
- the touch sensor 10 of the above embodiment is a projected capacitive touch panel sensor composed of two layers of electrode portions, but is not particularly limited to this, and is a surface type (capacitance) composed of one layer of electrode portions.
- the present invention can also be applied to a capacitive touch panel sensor.
- the wiring body assembly or the wiring structure has been described as being used for a touch panel sensor in the above embodiment, the present invention is not particularly limited thereto.
- the wiring body may be used as a heater by energizing the wiring body and generating heat by resistance heating or the like.
- the mounting target on which the wiring body is mounted corresponds to an example of the “support” of the present invention.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- Nonlinear Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optics & Photonics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Manufacturing & Machinery (AREA)
- Position Input By Displaying (AREA)
- Combinations Of Printed Boards (AREA)
- Push-Button Switches (AREA)
Abstract
Description
文献の参照による組み込みが認められる指定国については、2016年3月11日に日本国に出願された特願2016-047909号に記載された内容を参照により本明細書に組み込み、本明細書の記載の一部とする。
H1>H2…(1)
但し、H1は、前記第1の樹脂層の前記一方の面から前記凸部の頂端までの高さであり、H2は、前記第1の樹脂層の前記一方の面から前記基材の前記他方の面までの高さである。
H3≧H1…(2)
但し、H3は、前記第2の樹脂層の厚さである。
H1>H2…(1)
H0≧H1…(2´)
H3≧H1…(2)
H5>H6…(3)
H7≧H5…(4)
H8≧H5…(5)
11…配線体アセンブリ
12…基材
20…第1の配線体
21…第1支持樹脂層
22A…電極
22B…引出線
22C…端子部
30…第2の配線体
31…第2支持樹脂層
31A…切欠き部
31B…壁面
31C…隅部
32A…電極
32B…引出線
32C…端子部
40…被覆樹脂層
40A…切欠き部
40B…壁面
40C…隅部
50…接続配線体
51…基材
51A…第1の分岐部
51B…第2の分岐部
51C…スリット
51D…接着部
51E…先端
51F…接着部
51G…先端
51H…端部
51I…端部
52…配線
52C…端子部
53…配線
53C…端子部
60…透明粘着層
70…カバーパネル
71…透明部
72…遮蔽部
80…導電性接着層
81…導電性接着材料
81A…領域
81B…領域
82…凸部
82A…第1の凸部
82B…第2の凸部
84…凸部
84A…第1の凸部
84B…第2の凸部
86…溝
88…溝
90…封止樹脂
1…圧着ヘッド
2…圧着台
Claims (8)
- 第1の樹脂層と、前記第1の樹脂層の一方の面に形成された第1の端子部と、前記第1の端子部が露出するように前記第1の樹脂層の前記一方の面に形成された第2の樹脂層とを備える配線体と、
基材と、前記基材の一方の面に形成され、前記第1の端子部と対向する第2の端子部とを備える接続配線体と、
前記第1の端子部と前記第2の端子部との間に形成され、前記第1の端子部と前記第2の端子部とを接着する導電性接着層と
を備え、
前記基材の端部と前記第2の樹脂層の端部とが相互に離間していることにより、前記第1の端子部には、前記第2の樹脂層と前記導電性接着層とから露出した露出部分が存在しており、
前記第1の樹脂層の前記一方の面に前記基材の前記端部に接し前記一方の面と前記第2の樹脂層と共に溝部を画成するように形成され、又は、前記基材の他方の面に形成された凸部と、
前記凸部と前記第2の樹脂層との間に充填され、前記第1の端子部の前記露出部分を覆う封止樹脂と
を備え、
下記(1)式を満たす配線体アセンブリ。
H1>H2…(1)
但し、H1は、前記第1の樹脂層の前記一方の面から前記凸部の頂端までの高さであり、H2は、前記第1の樹脂層の前記一方の面から前記基材の前記他方の面までの高さである。 - 請求項1に記載の配線体アセンブリであって、
前記凸部は、前記第1の樹脂層の前記一方の面に前記基材の前記端部に接するように、前記導電性接着層と一体で形成され、前記導電性接着層を構成する導電性接着材料により構成されている配線体アセンブリ。 - 請求項1又は2に記載の配線体アセンブリであって、
下記(2)式を満たす配線体アセンブリ。
H3≧H1…(2)
但し、H3は、前記第2の樹脂層の厚さである。 - 請求項1~3の何れか1項に記載の配線体アセンブリであって、
前記封止樹脂は、前記第1の端子部に対して交差する方向に延在しており、
前記凸部は、前記封止樹脂の延在する方向に沿って形成されている配線体アセンブリ。 - 請求項4に記載の配線体アセンブリであって、
前記凸部は、
前記封止樹脂の延在する方向に沿って形成された第1の凸部と、
前記基材における前記端子部に対して交差する方向についての端部に沿って形成された第2の凸部と
を備える配線体アセンブリ。 - 請求項1~5の何れか1項に記載の配線体アセンブリであって、
前記第2の樹脂層は、前記基材の前記端部が配される切欠き部を有し、
前記切欠き部は隅部を有しており、
前記封止樹脂は、前記隅部に充填されている配線体アセンブリ。 - 請求項1~6の何れか1項に記載の配線体アセンブリと、
前記配線体の少なくとも一方の面に設けられた支持体と
を備える配線構造体。 - 請求項7に記載の配線構造体を備えるタッチセンサ。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201780010331.5A CN108886871A (zh) | 2016-03-11 | 2017-03-08 | 布线体组件、布线构造体以及接触式传感器 |
US16/084,152 US20200301542A1 (en) | 2016-03-11 | 2017-03-08 | Wiring body assembly, wiring structure, and touch sensor |
EP17763299.9A EP3429321A4 (en) | 2016-03-11 | 2017-03-08 | WIRING BODY ASSEMBLY, WIRING STRUCTURE AND TOUCH SENSOR |
JP2018504546A JP6581716B2 (ja) | 2016-03-11 | 2017-03-08 | 配線体アセンブリ、配線構造体、及びタッチセンサ |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016-047909 | 2016-03-11 | ||
JP2016047909 | 2016-03-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2017154959A1 true WO2017154959A1 (ja) | 2017-09-14 |
Family
ID=59790553
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2017/009173 WO2017154959A1 (ja) | 2016-03-11 | 2017-03-08 | 配線体アセンブリ、配線構造体、及びタッチセンサ |
Country Status (6)
Country | Link |
---|---|
US (1) | US20200301542A1 (ja) |
EP (1) | EP3429321A4 (ja) |
JP (2) | JP6581716B2 (ja) |
CN (1) | CN108886871A (ja) |
TW (1) | TWI652699B (ja) |
WO (1) | WO2017154959A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2022520915A (ja) * | 2019-02-23 | 2022-04-04 | 昆山工研院新型平板顕示技術中心有限公司 | 表示パネルとその製造方法及び表示装置 |
JP2022075448A (ja) * | 2020-11-04 | 2022-05-18 | ティーピーケイ タッチ ソリューションズ(シアメン)インコーポレーテッド | タッチモジュール及びタッチモジュールを備える電子装置 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110837309A (zh) * | 2018-08-15 | 2020-02-25 | 宸美(厦门)光电有限公司 | 触控模组及其制造方法 |
JP2020142480A (ja) * | 2019-03-08 | 2020-09-10 | Tdk株式会社 | 積層体とセンサパッケージ及びそれらの製造方法 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06331999A (ja) * | 1993-05-21 | 1994-12-02 | Optrex Corp | 電気光学装置及びその製造法 |
JP2002107754A (ja) * | 2000-09-29 | 2002-04-10 | Optrex Corp | 液晶表示パネルのフレキシブル回路基板実装構造 |
JP2010225845A (ja) * | 2009-03-24 | 2010-10-07 | Seiko Epson Corp | 基板の接続構造、電気光学装置、および電子機器 |
JP2012141690A (ja) * | 2010-12-28 | 2012-07-26 | Alps Electric Co Ltd | 入力装置 |
JP2014220363A (ja) * | 2013-05-08 | 2014-11-20 | パナソニック株式会社 | フレキシブル基板の実装方法 |
WO2015114960A1 (ja) * | 2014-01-30 | 2015-08-06 | ソニー株式会社 | 表示装置および電子機器 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001305568A (ja) * | 2000-04-21 | 2001-10-31 | Matsushita Electric Ind Co Ltd | 液晶モジュール |
JP2009086119A (ja) * | 2007-09-28 | 2009-04-23 | Epson Imaging Devices Corp | 実装構造体、電気光学装置及び電子機器 |
JP5163174B2 (ja) * | 2008-02-20 | 2013-03-13 | ソニー株式会社 | タッチパネル及びその製造方法 |
JP5611864B2 (ja) * | 2011-03-09 | 2014-10-22 | アルプス電気株式会社 | 入力装置及び入力装置の製造方法 |
KR20140148400A (ko) * | 2012-03-28 | 2014-12-31 | 도레이 카부시키가이샤 | 감광성 도전 페이스트 및 도전 패턴의 제조 방법 |
TWI452612B (zh) * | 2012-04-02 | 2014-09-11 | Au Optronics Corp | 觸控面板及觸控顯示面板 |
KR102077140B1 (ko) * | 2013-03-18 | 2020-02-14 | 삼성디스플레이 주식회사 | 플렉시블 디스플레이 모듈 |
US10175813B2 (en) * | 2014-07-03 | 2019-01-08 | Sharp Kabushiki Kaisha | Touch panel board with guard portion and flexible wiring board connecting guard portion to ground wire |
-
2017
- 2017-03-08 US US16/084,152 patent/US20200301542A1/en not_active Abandoned
- 2017-03-08 JP JP2018504546A patent/JP6581716B2/ja not_active Expired - Fee Related
- 2017-03-08 TW TW106107508A patent/TWI652699B/zh not_active IP Right Cessation
- 2017-03-08 WO PCT/JP2017/009173 patent/WO2017154959A1/ja active Application Filing
- 2017-03-08 EP EP17763299.9A patent/EP3429321A4/en not_active Withdrawn
- 2017-03-08 CN CN201780010331.5A patent/CN108886871A/zh not_active Withdrawn
-
2019
- 2019-07-01 JP JP2019122973A patent/JP2019169745A/ja active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06331999A (ja) * | 1993-05-21 | 1994-12-02 | Optrex Corp | 電気光学装置及びその製造法 |
JP2002107754A (ja) * | 2000-09-29 | 2002-04-10 | Optrex Corp | 液晶表示パネルのフレキシブル回路基板実装構造 |
JP2010225845A (ja) * | 2009-03-24 | 2010-10-07 | Seiko Epson Corp | 基板の接続構造、電気光学装置、および電子機器 |
JP2012141690A (ja) * | 2010-12-28 | 2012-07-26 | Alps Electric Co Ltd | 入力装置 |
JP2014220363A (ja) * | 2013-05-08 | 2014-11-20 | パナソニック株式会社 | フレキシブル基板の実装方法 |
WO2015114960A1 (ja) * | 2014-01-30 | 2015-08-06 | ソニー株式会社 | 表示装置および電子機器 |
Non-Patent Citations (1)
Title |
---|
See also references of EP3429321A4 * |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2022520915A (ja) * | 2019-02-23 | 2022-04-04 | 昆山工研院新型平板顕示技術中心有限公司 | 表示パネルとその製造方法及び表示装置 |
US11481052B2 (en) | 2019-02-23 | 2022-10-25 | Kunshan New Flat Panel Display Technology Center Co., Ltd. | Display panel, production method and display device thereof |
JP7225390B2 (ja) | 2019-02-23 | 2023-02-20 | 昆山工研院新型平板顕示技術中心有限公司 | 表示パネルとその製造方法及び表示装置 |
JP2022075448A (ja) * | 2020-11-04 | 2022-05-18 | ティーピーケイ タッチ ソリューションズ(シアメン)インコーポレーテッド | タッチモジュール及びタッチモジュールを備える電子装置 |
Also Published As
Publication number | Publication date |
---|---|
EP3429321A4 (en) | 2019-09-18 |
JP2019169745A (ja) | 2019-10-03 |
TWI652699B (zh) | 2019-03-01 |
US20200301542A1 (en) | 2020-09-24 |
EP3429321A1 (en) | 2019-01-16 |
JPWO2017154959A1 (ja) | 2018-09-13 |
CN108886871A (zh) | 2018-11-23 |
JP6581716B2 (ja) | 2019-09-25 |
TW201810297A (zh) | 2018-03-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP2019169745A (ja) | 配線体アセンブリ、配線構造体、タッチセンサ、及び、配線体アッセンブリの製造方法 | |
EP3130992A1 (en) | Wiring body and wiring substrate | |
WO2010050404A1 (ja) | タッチ入力機能付き保護パネルのfpc接続方法 | |
US20120292105A1 (en) | Connecting structure and a display device with said connecting structure | |
TWI657365B (zh) | Wiring body, wiring board, and touch detector | |
WO2018135519A1 (ja) | 配線体及び配線体アセンブリ | |
TWI656468B (zh) | 配線體組合、配線基板以及碰觸偵知器 | |
JP2017163067A (ja) | 配線体アセンブリ、配線構造体、及びタッチセンサ | |
KR101069747B1 (ko) | 터치 패널용 패드와 기판의 결합 방법 및 이에 의해 제조되는 결합체 | |
CN102472942B (zh) | 电子纸及其制造方法 | |
JP2020101851A (ja) | 配線板及びタッチセンサ | |
JP2018110153A (ja) | 配線体アセンブリ、配線基板、及びタッチセンサ | |
JP6549942B2 (ja) | 配線体、配線基板、及びタッチセンサ | |
JP2020064403A (ja) | 配線体、配線板、及びタッチセンサ | |
CN109669569A (zh) | 触摸显示屏及其制作方法、电子设备 | |
JP2018124615A (ja) | 配線体、配線基板、及びタッチセンサ | |
JP5956629B1 (ja) | 配線構造体及びタッチセンサ | |
JP2018110152A (ja) | 配線体アセンブリ、配線基板、及びタッチセンサ | |
JP2019192068A (ja) | 配線板及びタッチセンサ | |
JP2019185585A (ja) | 配線基板及びタッチセンサ | |
WO2020031500A1 (ja) | 配線体、配線板、及びタッチセンサ | |
JP2017040953A (ja) | 配線体、導体層付き構造体、及びタッチセンサ | |
JP2017054384A (ja) | 配線体、配線基板、及びタッチセンサ | |
KR102108837B1 (ko) | 디스플레이 장치 | |
JP2020101993A (ja) | 配線体、配線板、及びタッチセンサ |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ENP | Entry into the national phase |
Ref document number: 2018504546 Country of ref document: JP Kind code of ref document: A |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2017763299 Country of ref document: EP |
|
ENP | Entry into the national phase |
Ref document number: 2017763299 Country of ref document: EP Effective date: 20181011 |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 17763299 Country of ref document: EP Kind code of ref document: A1 |