WO2021080300A1 - Capteur tactile et dispositif d'affichage d'image le comprenant - Google Patents

Capteur tactile et dispositif d'affichage d'image le comprenant Download PDF

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Publication number
WO2021080300A1
WO2021080300A1 PCT/KR2020/014370 KR2020014370W WO2021080300A1 WO 2021080300 A1 WO2021080300 A1 WO 2021080300A1 KR 2020014370 W KR2020014370 W KR 2020014370W WO 2021080300 A1 WO2021080300 A1 WO 2021080300A1
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WO
WIPO (PCT)
Prior art keywords
pad
pads
touch sensor
row
traces
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Application number
PCT/KR2020/014370
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English (en)
Korean (ko)
Inventor
박용수
이재현
Original Assignee
동우화인켐 주식회사
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Publication of WO2021080300A1 publication Critical patent/WO2021080300A1/fr

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    • 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
    • G06F3/045—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using resistive elements, e.g. a single continuous surface or two parallel surfaces put in contact
    • 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
    • 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
    • G06F3/0412—Digitisers structurally integrated in a display
    • 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
    • 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06F2203/04113—Peripheral electrode pattern in resistive digitisers, i.e. electrodes at the periphery of the resistive sheet are shaped in patterns enhancing linearity of induced field

Definitions

  • the present invention relates to a touch sensor and an image display device including the same. More specifically, it relates to a touch sensor including a sensing electrode and a trace, and an image display device including the same.
  • a touch panel or a touch sensor which is an input device that is attached on the display device and allows the user's command to be input by selecting the instruction content displayed on the screen as a human hand or object, is combined with the display device to provide an image display function and Electronic devices with an information input function are being developed.
  • a touch screen panel in which a touch sensor is combined with various image display devices has been developed.
  • the resolution of the touch sensor is improved to a level such as QHD (Quad High Definition) and UHD (Ultra High Definition)
  • the resolution of the touch sensor also needs to be increased.
  • various sensing functions such as fingerprint sensing are extended and applied to display devices in recent years
  • fine-pitch sensing electrodes and traces capable of implementing fingerprint sensing may be included in the touch sensor with a higher degree of integration.
  • the margin between adjacent traces decreases, which may cause signal interference, and may lead to defects in the bonding process and deterioration in process reliability.
  • An object of the present invention is to provide a touch sensor having improved mechanical, electrical, and operational reliability.
  • An object of the present invention is to provide a window laminate including a touch sensor having improved mechanical, electrical, and operational reliability.
  • An object of the present invention is to provide an image display device including a touch sensor having improved mechanical, electrical, and operational reliability.
  • Some of the pads are arranged in a row direction to form a first pad row, some of the pads are arranged in the row direction to form a second pad row, the first pad row and the second pad row
  • the touch sensor wherein the number of pads included in the pad row is different.
  • the first pad row is disposed closer to the sensing electrodes than the second pad row, and the number of pads included in the first pad row is included in the second pad row.
  • a touch sensor that is larger than the number of the pads.
  • A is the width of the pad
  • B is the width of the trace
  • C is the average pitch of the channels including the trace and the pad
  • D is the pad included in the first pad row relative to the number of pads included in the second pad row. It is a percentage of the number).
  • A is the width of the bonding pad
  • B is the width of the circuit wiring
  • C is the average pitch of the channels including the circuit wiring and the bonding pad
  • D is the first pad compared to the number of bonding pads included in the second pad row. It is the percentage of the number of bonding pads in the row).
  • sensing electrodes are arranged to be connected to each other in the row direction to form a plurality of first sensing electrode rows; And second sensing electrodes arranged to be connected to each other in a column direction to form a plurality of second sensing electrode rows,
  • the traces include first traces extending from each of the first sensing electrode rows and second traces extending from each of the second sensing electrode rows.
  • the first sensing electrode rows and the second sensing electrode columns are disposed on different layers
  • the first traces and the second traces are disposed on the same layer.
  • Window substrate comprising the touch sensor of any one of the above 1 to 11, the window stack.
  • Display panel And the touch sensor of any one of 1 to 11 and stacked on the display panel.
  • pads and bonding pads electrically connected to traces branching from sensing electrodes may be distributed and arranged in a plurality of rows. Accordingly, it is possible to increase the reliability of the bonding process of the flexible printed circuit board (FPCB) and increase the density of traces by increasing the gap or margin between adjacent bonding pads.
  • FPCB flexible printed circuit board
  • a bonding interval or a bonding margin may be additionally increased by arranging different numbers of pads included in the first pad row and the second pad row.
  • FIG. 1 is a schematic plan view illustrating a touch sensor according to example embodiments.
  • FIGS. 2 to 4 are schematic plan and cross-sectional views illustrating a bonding area of a touch sensor according to exemplary embodiments.
  • 5 and 6 are schematic plan and cross-sectional views, respectively, illustrating a bonding area of a touch sensor according to a comparative example.
  • FIG. 7 is a schematic plan view illustrating a bonding area of a touch sensor according to a comparative example.
  • FIG. 8 is a schematic cross-sectional view illustrating a window stack and an image display device according to exemplary embodiments.
  • 9 to 11 are graphs showing simulation results according to a change in the ratio of the number of pads.
  • Embodiments of the present invention provide a touch sensor with improved bonding margin and bonding reliability by distributing pads in a plurality of rows in a bonding area.
  • an image display device including the touch sensor is provided.
  • first direction and second direction two directions that are parallel to the top surface of the base layer 100 and cross each other are defined as a first direction and a second direction.
  • the first direction and the second direction may cross each other perpendicularly.
  • the first direction may correspond to a width direction or a row direction
  • the second direction may correspond to a length direction or a column direction.
  • touch sensor used in the present application is used to encompass a sensor that receives a command or generates a signal according to a user's finger or a touch of a tool, and a sensor that generates a signal by recognizing the shape of a fingerprint of the finger. .
  • FIG. 1 is a schematic plan view illustrating a touch sensor according to example embodiments.
  • the touch sensor may include a base layer 100 and sensing electrodes 110 and 140 arranged on the base layer 100.
  • the base layer 100 is used to include a film-type substrate used as a support layer for forming the sensing electrodes 110 and 140, an interlayer insulating layer, or an object on which the sensing electrodes 110 and 140 are formed.
  • the base layer 100 may refer to a display panel on which the sensing electrodes 110 and 140 are directly formed.
  • a substrate or film material commonly used for a touch sensor may be used without particular limitation.
  • it may include a polymer and/or inorganic insulating material having flexible properties.
  • the polymer cyclic olefin polymer (COP), polyethylene terephthalate (PET), polyacrylate (PAR), polyetherimide (PEI), polyethylene naphthalate (PEN), polyphenylene sulfide (PPS) ), polyallylate, polyimide (PI), cellulose acetate propionate (CAP), polyethersulfone (PES), cellulose triacetate (TAC), polycarbonate (PC), cyclic olefin copolymer (COC) ), polymethyl methacrylate (PMMA), and the like.
  • the inorganic insulating material include silicon oxide, silicon nitride, silicon oxynitride, and metal oxide.
  • the sensing electrodes 110 and 140 may include first sensing electrodes 110 and second sensing electrodes 140.
  • the first sensing electrodes 110 and the second sensing electrodes 140 may be disposed at different levels or different layers.
  • the first sensing electrodes 110 may be disposed on the upper layer of the second sensing electrodes 140.
  • the second sensing electrodes 140 may be formed on the upper surface of the base layer 100.
  • the insulating layer 120 (see FIG. 3) may be formed on the base layer 100 to cover the second sensing electrodes 140.
  • the first sensing electrodes 110 may be formed on the insulating layer 120.
  • the insulating layer 120 may include an inorganic insulating material such as silicon oxide or silicon nitride, or an organic insulating material such as an acrylic resin or a siloxane resin.
  • the insulating layer 120 may be formed through a coating process such as spin coating, slit coating, inkjet printing, offset printing, or a printing process.
  • the insulating layer 120 may be formed through a deposition process such as a chemical vapor deposition (CVD) process, a physical vapor deposition (PVD) process, or the like.
  • CVD chemical vapor deposition
  • PVD physical vapor deposition
  • the first sensing electrodes 110 and the second sensing electrodes 140 are silver (Ag), gold (Au), copper (Cu), aluminum (Al), platinum (Pt), palladium (Pd), and chromium ( Cr), titanium (Ti), tungsten (W), niobium (Nb), tantalum (Ta), vanadium (V), iron (Fe), manganese (Mn), cobalt (Co), nickel (Ni), zinc ( Zn), tin (Sn) or an alloy thereof (eg, silver-palladium-copper (APC)). These may be used alone or in combination of two or more.
  • the first sensing electrodes 110 and the second sensing electrodes 140 are indium tin oxide (ITO), indium zinc oxide (IZO), zinc oxide (ZnO), indium zinc tin oxide (IZTO), and cadmium tin oxide ( CTO) and the like may also contain a transparent conductive oxide.
  • ITO indium tin oxide
  • IZO indium zinc oxide
  • ZnO zinc oxide
  • IZTO indium zinc tin oxide
  • CTO cadmium tin oxide
  • the first sensing electrodes 110 and the second sensing electrodes 140 may include a stacked structure of a transparent conductive oxide and a metal.
  • the first sensing electrodes 110 and the second sensing electrodes 140 may have a three-layer structure of a transparent conductive oxide layer, a metal layer, and a transparent conductive oxide layer.
  • the signal transmission speed may be improved by lowering the resistance, and corrosion resistance and transparency may be improved by the transparent conductive oxide layer.
  • the first sensing electrodes 110 and the second sensing electrodes 140 are patterned through a wet or dry etching process after depositing the above-described conductive material through a PVD process such as, for example, a sputtering process.
  • a PVD process such as, for example, a sputtering process.
  • the first sensing electrodes 110 are connected to each other by the first connecting portions 115 and may be arranged along a first direction. Accordingly, a row of first sensing electrodes extending in the first direction may be defined. In addition, a plurality of the first sensing electrode rows may be arranged along the second direction.
  • the first connector 115 and the first sensing electrode electrodes 110 may be integrally connected to each other to be provided as a substantially single member.
  • the first traces 130 may be electrically connected to each of the first sensing electrode rows.
  • the sub-trace 117 extends from the end of the first sensing electrode row, and the first trace 130 may be electrically connected to the sub-trace 117 through the contact 119.
  • the contact 119 passes through the insulating layer 120, for example, and the first trace 130 is disposed on the base layer 100 and the first sensing electrode row disposed on the upper layer through the contact 119 And can be electrically connected.
  • the first traces 130 may be alternately distributed and disposed on both sides (eg, both sides in the first direction) of the touch sensor or the base layer 100.
  • the first traces 130 may alternately branch from one end and the other end of the first sensing electrode row along the second direction.
  • an interval or a pitch between adjacent first traces 130 may be increased. Accordingly, while maintaining the number or degree of integration of the first traces 130, an electrical connection margin or an alignment margin may be increased.
  • the second sensing electrodes 140 may be connected to each other through the second connector 145. 1, the second sensing electrodes 140 may be arranged so as not to overlap with the first sensing electrodes 110 in a planar direction.
  • the second sensing electrodes 140 may be connected to each other by the second connecting portions 145 and arranged along the second direction. Accordingly, a second sensing electrode row extending in the second direction may be defined. In addition, the plurality of second sensing electrode rows may be arranged along the first direction.
  • the second connector 145 and the second sensing electrode electrodes 140 may be integrally connected to each other to be substantially provided as a single member.
  • the second traces 150 may branch and extend from each of the second sensing electrode rows.
  • the second traces 150 may branch and extend from one end of each of the second sensing electrode rows.
  • the first and second traces 130 and 150 may be located on the same layer or on the same level.
  • the first traces 130 and the second traces 150 extend on the upper surface of the base layer 100 and may be spaced apart from each other in a bonding area BA allocated to one end of the touch sensor and may be aggregated. .
  • the distal ends of the first traces 130 and the second traces 150 are aggregated together in the bonding area BA, for example, a circuit connection structure such as a flexible printed circuit board (FPCB) 200 And can be electrically connected.
  • a circuit connection structure such as a flexible printed circuit board (FPCB) 200 And can be electrically connected.
  • a passivation layer (not shown) is formed on the insulating layer 120 to cover, for example, the first sensing electrodes 110 and the first traces 130.
  • the passivation layer may be partially removed from the bonding area BA to expose pads 170 (see FIG. 2) connected to the traces 130 and 150 for a bonding process with the flexible printed circuit board 200. have.
  • FIGS. 3 and 4 are cross-sectional views taken along the line II' and the line II-II' of FIG. 2 in the thickness direction, respectively.
  • the first and second traces 130 and 150 illustrated in FIG. 1 are described together as traces 160.
  • a pad 170 may be connected to each end portion of the traces 160 in the bonding area BA.
  • the pad 170 is substantially integrally connected to the trace 160 and may be a distal end having an extended width of the trace 160.
  • the pad 170 may be defined by forming an additional conductive layer (eg, a transparent metal oxide layer) on the end portion of the trace 160.
  • bonding pads 210 are aligned on each pad 170, and bonding pads 210 and 170 may be electrically connected to each other through a bonding process.
  • a bonding process may be performed through heat compression.
  • the bonding pads 210 may be included in the flexible printed circuit board 200. Each of the bonding pads 210 may be connected to the circuit wiring 220 included in the flexible circuit board 200.
  • a driving integrated circuit (IC) chip (not shown) may be mounted on the flexible printed circuit board 200.
  • the pad 170 and the driving IC chip may be electrically connected to each other through the circuit wiring 220. Accordingly, scan current transmission to the touch sensor through the driving IC chip, sensing signal reception, and the like may be performed.
  • the pads 170 may be arranged to form a plurality of rows in a plane direction. For example, some pads 170 are arranged along the first direction to define a first pad row PR1, and some pads 170 are disposed in the first pad row PR1 and the second direction. They are spaced apart and arranged along the first direction, so that a second pad row PR2 may be defined.
  • the first pad row PR1 may be disposed adjacent to the second pad row PR2 on the sensing electrodes 110 and 140 of the touch sensor.
  • Bonding pads 210 arranged on the pads 170 may also correspond to the pads 170 and may be distributedly arranged in a first pad row PR1 and a second pad row PR2.
  • the shape, number, and arrangement spacing of the bonding pads 210 and the circuit wiring 220 may be substantially the same as or similar to the pads 170 and the traces 160, respectively.
  • the width and pitch of the pad 170 may be substantially the same as or similar to the width and pitch of the bonding pad 210, respectively.
  • the width and pitch of the traces 160 may be substantially the same as or similar to the width and pitch of the circuit wiring 220, respectively.
  • the number of pads 170 included in the first pad row PR1 and the number of pads 170 included in the second pad row PR2 may be different from each other. In some embodiments, the number of pads 170 belonging to the first pad row PR1 adjacent to the sensing electrodes 110 and 140 is the number of pads 170 belonging to the second pad row PR2 Can be greater than
  • signal transmission efficiency may be increased by disposing more pads 170 in the first pad row PR1 where the signal transmission distance to the pad 170 is relatively short.
  • the width of the pad 170 may be indicated as “A” and the width of the trace 160 may be indicated as “B”.
  • An average pitch between channels including the traces 160 and the pads 170 connected to each other may be defined as “C”.
  • the width of the bonding pad 210 and the width of the circuit wiring 220 are also denoted by “A” and “B”, respectively, including the bonding pad 210 and the circuit wiring 220 connected to each other.
  • the average pitch between the channels may also be denoted as "C”.
  • the ratio (D) of the number of pads or channels in the first pad row PR1 to the number of pads or channels in the second pad row PR2 may satisfy Equation 1 below. I can.
  • the channel spacing S1 in the first pad row PR1 and the channel spacing S2 in the second pad row PR1 shown in FIG. 3 may be sufficiently increased in a balanced manner.
  • the pad 170 may be formed to protrude in a horizontal direction (first direction) from a straight line in the extension direction of the trace line 160.
  • the pad 170 may be formed such that the center line of the trace line 160 and the center line of the pad 170 are misaligned or deviated from each other. Accordingly, an alignment margin between the pads 170 or the bonding pads 210 may be additionally increased.
  • FIG. 5 and 6 are schematic plan and cross-sectional views, respectively, illustrating a bonding area of a touch sensor according to a comparative example.
  • FIG. 6 is a cross-sectional view taken along the line III-III' of FIG. 5 in the thickness direction.
  • the pads 170 may be arranged along the first direction and substantially all included in one pad row.
  • the channel spacing S1a is all the same, and a sufficient bonding margin may not be secured through the bonding pads 210.
  • FIG. 7 is a schematic plan view illustrating a bonding area of a touch sensor according to a comparative example.
  • both the first pad row PR1 and the second pad row PR2 may include the same number of pads 170.
  • the channel spacing (bonding spacing) S1b in the first pad row PR1 may be sufficiently secured, but the channel spacing S2b in the second pad row PR2 may be reduced.
  • the number of pads 170 in the first pad row PR1 and the second pad row PR2 are arranged differently (for example, to satisfy Equation 1). Arrangement), and bonding intervals in each of the first pad row PR1 and the second pad row PR2 may be sufficiently secured.
  • FIG. 8 is a schematic cross-sectional view illustrating a window stack and an image display device according to exemplary embodiments.
  • the window stack 300 may include a window substrate 350, a polarizing layer 330, and a touch sensor 310 according to the above-described exemplary embodiments.
  • the window substrate 350 includes, for example, a hard coating film, and in one embodiment, the light blocking pattern 360 may be formed on the periphery of one surface of the window substrate 350.
  • the light blocking pattern 360 may include, for example, a color printing pattern, and may have a single layer or a multilayer structure.
  • a bezel part or a non-display area of the image display device may be defined by the light blocking pattern 360.
  • the polarizing layer 330 may include a coated polarizer or a polarizing plate.
  • the coated polarizer may include a liquid crystal coating layer including a polymerizable liquid crystal compound and a dichroic dye.
  • the polarizing layer 330 may further include an alignment layer for imparting alignment to the liquid crystal coating layer.
  • the polarizing plate may include a polyvinyl alcohol-based polarizer and a protective film attached to at least one surface of the polyvinyl alcohol-based polarizer.
  • the polarizing layer 330 may be directly bonded to the one surface of the window substrate 350 or may be attached through the first adhesive bonding layer 340.
  • the touch sensor 310 may be included in the window stack 300 in the form of a film or panel. In one embodiment, the touch sensor 310 may be coupled to the polarizing layer 330 through the second adhesive layer 320.
  • a window substrate 350, a polarizing layer 330, and a touch sensor 310 may be arranged in order from the user's viewing side.
  • the sensing electrodes of the touch sensor 310 are disposed under the polarizing layer 330, the electrode visibility phenomenon can be more effectively prevented.
  • the touch sensor 310 may be directly transferred onto the window substrate 350 or the polarization layer 330.
  • the window substrate 350, the touch sensor 310, and the polarization layer 330 may be arranged in order from the user's viewing side.
  • the touch sensor 310 When the touch sensor 310 is applied as a fingerprint sensor, the touch sensor 310 may be disposed in a local area of the image display device or the window stack 300.
  • the image display device may include a display panel 400 and the above-described window stack 300 coupled to the display panel 400.
  • the display panel 400 may include a pixel electrode 410, a pixel defining layer 420, a display layer 430, a counter electrode 440, and an encapsulation layer 450 disposed on the panel substrate 405. I can.
  • a pixel circuit including a thin film transistor TFT may be formed on the panel substrate 405, and an insulating layer may be formed to cover the pixel circuit.
  • the pixel electrode 410 may be electrically connected to, for example, a drain electrode of a TFT on the insulating layer.
  • the pixel defining layer 420 may be formed on the insulating layer to expose the pixel electrode 410 to define a pixel region.
  • a display layer 430 is formed on the pixel electrode 410, and the display layer 430 may include, for example, a liquid crystal layer or an organic emission layer.
  • a counter electrode 440 may be disposed on the pixel defining layer 420 and the display layer 430.
  • the counter electrode 440 may be provided as, for example, a common electrode or a cathode of an image display device.
  • An encapsulation layer 450 for protecting the display panel 400 may be stacked on the counter electrode 440.
  • the display panel 400 and the window stacked body 300 may be coupled through an adhesive layer 370.
  • the thickness of the pressure-sensitive adhesive layer 370 may be greater than the thickness of each of the first and second pressure-sensitive adhesive layers 340 and 320, and the viscoelasticity at -20 to 80° C. may be about 0.2 MPa or less. In this case, noise from the display panel 400 can be shielded, and interfacial stress can be relaxed during bending, thereby suppressing damage to the window laminate 300.
  • the viscoelasticity may be about 0.01 to 0.15 MPa.
  • Pads and bonding pads, and traces and bonding wires were formed with a pad width (A) of 20 ⁇ m, a trace width (B) of 8 ⁇ m, and a channel average pitch (C) of 40 ⁇ m. Bonding spacing in the first pad row (first row space) and bonding spacing in the second pad row (second row space) while changing the ratio (D) of the number of pads in the first pad row to the number of pads in the second pad row Were each simulated.
  • Pads and bonding pads, and traces and bonding wires were formed with a pad width (A) of 20 ⁇ m, a trace width (B) of 6 ⁇ m, and a channel average pitch (C) of 40 ⁇ m, and the same simulation as in Experimental Example 1 was performed. , The simulation result is shown in the graph of FIG. 10
  • Pads and bonding pads, and traces and bonding wires were formed with a pad width (A) of 20 ⁇ m, a trace width (B) of 4 ⁇ m, and a channel average pitch (C) of 40 ⁇ m, and the same simulation as in Experimental Example 1 was performed. , The simulation result is shown in the graph of FIG. 11

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Position Input By Displaying (AREA)

Abstract

Selon des modes de réalisation, la présente invention porte sur un capteur tactile qui comprend : une pluralité d'électrodes de détection ; des rubans connectés électriquement aux électrodes de détection ; et des plages de connexion connectées aux extrémités des rubans, respectivement. Certaines des plages de connexion sont agencées dans une direction de rangée pour former une première rangée de plages de connexion, et certaines des plages de connexion sont agencées dans une direction de rangée pour former une seconde rangée de plages de connexion. Les nombres de plages de connexion incluses dans la première rangée de plages de connexion et dans la seconde rangée de plages de connexion sont différents l'un de l'autre. Une marge de collage peut être suffisamment assurée selon l'agencement réparti des plages de connexion.
PCT/KR2020/014370 2019-10-23 2020-10-21 Capteur tactile et dispositif d'affichage d'image le comprenant WO2021080300A1 (fr)

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KR1020190131834A KR20210048042A (ko) 2019-10-23 2019-10-23 터치 센서 및 이를 포함하는 화상 표시 장치

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20140044720A (ko) * 2012-10-05 2014-04-15 주식회사 지니틱스 상호정전용량 터치감지 패널
KR20140092366A (ko) * 2011-10-25 2014-07-23 유니-픽셀 디스플레이스, 인코포레이티드 편광판 저항막 방식 터치 스크린
KR101506512B1 (ko) * 2013-09-27 2015-03-27 주식회사 하이딥 정전 용량성 터치 센서 패널
JP2018206346A (ja) * 2017-06-01 2018-12-27 エルジー ディスプレイ カンパニー リミテッド タッチ表示装置及びタッチパネル
KR20190020966A (ko) * 2017-08-22 2019-03-05 동우 화인켐 주식회사 터치 센서 및 이를 포함하는 화상 표시 장치

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20140092366A (ko) * 2011-10-25 2014-07-23 유니-픽셀 디스플레이스, 인코포레이티드 편광판 저항막 방식 터치 스크린
KR20140044720A (ko) * 2012-10-05 2014-04-15 주식회사 지니틱스 상호정전용량 터치감지 패널
KR101506512B1 (ko) * 2013-09-27 2015-03-27 주식회사 하이딥 정전 용량성 터치 센서 패널
JP2018206346A (ja) * 2017-06-01 2018-12-27 エルジー ディスプレイ カンパニー リミテッド タッチ表示装置及びタッチパネル
KR20190020966A (ko) * 2017-08-22 2019-03-05 동우 화인켐 주식회사 터치 센서 및 이를 포함하는 화상 표시 장치

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