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WO2011159080A2 - Capteur tactile capacitif - Google Patents

Capteur tactile capacitif Download PDF

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Publication number
WO2011159080A2
WO2011159080A2 PCT/KR2011/004333 KR2011004333W WO2011159080A2 WO 2011159080 A2 WO2011159080 A2 WO 2011159080A2 KR 2011004333 W KR2011004333 W KR 2011004333W WO 2011159080 A2 WO2011159080 A2 WO 2011159080A2
Authority
WO
WIPO (PCT)
Prior art keywords
electrode pattern
touch sensor
capacitive touch
bridge
electrode
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/KR2011/004333
Other languages
English (en)
Korean (ko)
Other versions
WO2011159080A3 (fr
Inventor
한정훈
김기환
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Iljin Display Co Ltd
Original Assignee
Iljin Display Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Iljin Display Co Ltd filed Critical Iljin Display Co Ltd
Priority to CN2011800292292A priority Critical patent/CN102971696A/zh
Publication of WO2011159080A2 publication Critical patent/WO2011159080A2/fr
Publication of WO2011159080A3 publication Critical patent/WO2011159080A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/044—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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • G06F3/0448—Details of the electrode shape, e.g. for enhancing the detection of touches, for generating specific electric field shapes, for enhancing display quality
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B5/00—Non-insulated conductors or conductive bodies characterised by their form
    • H01B5/14—Non-insulated conductors or conductive bodies characterised by their form comprising conductive layers or films on insulating-supports
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/96—Touch switches
    • H03K17/962—Capacitive touch switches
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
    • G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
    • G06F2203/04111—Cross over in capacitive digitiser, i.e. details of structures for connecting electrodes of the sensing pattern where the connections cross each other, e.g. bridge structures comprising an insulating layer, or vias through substrate

Definitions

  • the present invention relates to a capacitive touch sensor.
  • the capacitive sensor includes an X electrode and a Y electrode formed on the upper surface of the substrate in a direction crossing each other, which must be electrically insulated from each other.
  • the Y electrode is formed in the form of a continuous line
  • the X electrode is formed in a form arranged separately on both sides of the Y electrode, and then separated
  • the X electrodes were electrically connected to each other.
  • a metal film is deposited in order to connect the separated X electrodes and then patterned again using a photolithography process.
  • the manufacturing cost is high and there are problems such as photoresist coating, exposure, development, etching, and stripping.
  • the remaining metal film is easily visible to the human eye after patterning, which has a problem of poor appearance of the product, and attempts to form a fine pattern to improve this problem, but this method does not solve the problem fundamentally, There was a problem that caused the rise.
  • the present invention has been made to solve the problems described above, and an object of the present invention is to provide a capacitive touch sensor in which the electrode of the capacitive sensor is formed in a simple manner and the visibility and visibility characteristics are improved.
  • the capacitive touch sensor for achieving the above object is a substrate, a first electrode pattern and a second electrode pattern formed in a direction crossing each other on the upper surface of the substrate, and the first electrode pattern And a circuit wiring selectively connected to the second electrode pattern.
  • the second electrode pattern includes a plurality of electrode pattern elements disposed on both sides of the first electrode pattern in a direction crossing the direction in which the first electrode pattern extends, and the neighboring electrode pattern elements. Are electrically connected to each other by a bridge electrode pattern crossing the first electrode pattern in between.
  • the capacitive touch sensor according to another embodiment of the present invention may further include an insulating layer for electrically insulating the first electrode pattern and the bridge electrode pattern.
  • Both ends of the bridge electrode pattern may be formed to be located outside than both ends of the insulating layer.
  • Both ends of the bridge electrode pattern may be formed to be located inside both ends of the insulating layer.
  • the bridge electrode pattern may be formed of a transparent conductive material by a printing method.
  • the electrode of the capacitive sensor is electrically connected by a bridge electrode pattern formed by a printing method using a transparent electrically conductive material, thereby simplifying manufacturing and improving visibility and visibility characteristics.
  • FIG. 1 is a schematic exploded perspective view of a capacitive touch sensor according to an embodiment of the present invention.
  • FIG. 2 illustrates an electrode structure of a capacitive touch sensor according to an exemplary embodiment of the present invention.
  • FIG. 3 is a cross-sectional view taken along the line III-III of FIG. 2.
  • FIG. 4 is a view illustrating an electrode structure of a capacitive touch sensor according to another embodiment of the present invention.
  • FIG. 5 is a cross-sectional view taken along the line VV of FIG. 4.
  • the capacitive sensor 130 may be installed in the window panel 110.
  • the window panel 110 may have a substantially rectangular plate shape, and may be formed of glass or synthetic resin such as acrylic having light transmittance.
  • the window panel 110 may be formed of tempered glass or a synthetic resin material such as acrylic, PMMA, or PC.
  • the capacitive touch sensor may be installed in the window panel to implement a capacitive touch panel integrated with the window panel or may be implemented as a single touch sensor.
  • the window panel and the capacitive sensor are shown in an exploded state in FIG. 1, the capacitive sensor may be formed directly on the bottom surface of the window panel or may be disposed in an adhesive state.
  • the capacitive sensor 130 is disposed below the window panel 110. Although the window panel 110 and the capacitive sensor 130 are shown in an exploded state in FIG. 1, the capacitive sensor 130 may be disposed in a state in which the window panel 110 is adhered to the bottom surface of the window panel 110. For example, the capacitive sensor 130 may be attached to the bottom surface of the window panel 110 by a transparent adhesive such as an optically clear adhesive (OCA).
  • OCA optically clear adhesive
  • a band-shaped design layer formed to have a predetermined width along the edge of the window panel 110 may be formed.
  • the design layer may be formed of an opaque material.
  • the design layer may be formed by printing or depositing a non-conductive opaque material by a method such as silk screen.
  • the capacitive sensor 130 may include electrode patterns 131 and 132, which are in the form of a transparent conductive film, and conductive circuit wiring 133.
  • the electrode patterns 131 and 132 and the circuit wiring 133 may be formed on the capacitive sensor substrate 137.
  • a flexible printed circuit (FPC) 135 for applying an electrical signal to the circuit wiring 133 may be connected to the circuit wiring 133.
  • the capacitive sensor substrate 137 may be formed of a transparent material such as glass or PET film, and the electrode patterns 131 and 132 may be formed of indume tin oxide (ITO) or indume zinc oxide (IZO). , Zinc oxide (ZnO) or the like may be formed by sputtering or depositing on the capacitive sensor substrate 137, and the circuit wiring 133 may be formed by printing conductive ink by silk screen printing.
  • ITO indume tin oxide
  • IZO indume zinc oxide
  • Zinc oxide (ZnO) or the like may be formed by sputtering or depositing on the capacitive sensor substrate 137, and the circuit wiring 133 may be formed by printing conductive ink by silk screen printing.
  • the electrode patterns 131 and 132 include a first electrode pattern 131 and a second electrode pattern 132 that extend in a direction crossing each other.
  • the first electrode pattern 131 and the second electrode pattern 132 may extend in a direction orthogonal to each other.
  • the first electrode pattern 131 may be formed.
  • the second electrode pattern 132 may extend in the Y-axis direction and be arranged in the X-axis direction.
  • the first electrode pattern 131 is configured to have a quadrangular shape and the second electrode pattern 132 is arranged to be spaced apart at regular intervals, the first electrode pattern 131 is shown.
  • the shape of the second electrode pattern 132 may be variously changed.
  • first electrode pattern 131 extends in the Y-axis direction and the second electrode pattern 132 extends in the X-axis direction
  • first electrode pattern 131 and the second electrode pattern 132 are illustrated in the drawing. ) May extend in opposite directions to each other.
  • first electrode patterns 131 may be provided.
  • the plurality of first electrode patterns 131 are arranged side by side at a predetermined interval.
  • the second electrode pattern 132 is a plurality of electrode pattern elements 132a which are disposed on both sides of the first electrode pattern 131 in a direction crossing with the direction in which the first electrode pattern 131 extends. ). That is, one second electrode pattern 132 is composed of a plurality of electrode pattern elements 132a arranged adjacent to each other in the X-axis direction in FIG. 2.
  • the capacitive sensor 130 includes a bridge electrode pattern for electrically connecting neighboring electrode pattern elements 132a to each other across the first electrode pattern 131 therebetween. 134). That is, referring to FIGS. 2 and 3, both ends 134a of the bridge electrode pattern 134 are formed to contact the neighboring electrode pattern element 132a, so that the neighboring electrode pattern elements 132a may be electrically connected to each other. Can be.
  • the bridge electrode pattern 134 may be formed of PEDOT, silver nano wire (SNW), carbon nano tube (CNT), indume tin oxide (ITO), indume zinc oxide (IZO), and zinc oxide (ZnO). It may be formed in a printing method of a transparent material having an electrical conductivity such as. As such, the bridge electrode pattern 134 is formed of an electrically conductive transparent material by a printing method, so that the visibility and visibility can be improved, compared to the conventional metal film forming and photolithography methods, and the process is simplified. The production cost can be lowered.
  • each of the second electrode patterns 132 may form one electrode.
  • an insulating layer 136 may be provided to electrically insulate the first electrode pattern 131 and the bridge electrode pattern 134.
  • the insulating layer 136 may be formed of an electrically insulating transparent material such as a transparent synthetic resin.
  • the first electrode pattern 131 and the bridge electrode 134 may be electrically insulated by filling the space between the first electrode pattern 131 and the bridge electrode pattern 134.
  • the first electrode pattern 131 and the second electrode pattern 132 are electrically insulated from each other.
  • the bridge electrode pattern 134 and the insulating layer 136 are omitted in FIG. 1.
  • both ends 134a of the bridge electrode pattern 134 may be formed to be located outside the both ends of the insulating layer 134.
  • the bridge electrode pattern 134 is easy and is more suitable when the size of the touch panel is relatively large.
  • FIGS. 4 and 5 a capacitive touch sensor according to another embodiment of the present invention will be described with reference to FIGS. 4 and 5.
  • the same reference numerals are used for the same components as the above-described embodiments, and descriptions of overlapping items will be omitted.
  • both end portions 234a of the bridge electrode pattern 234 connecting the neighboring electrode pattern elements 132a are inward of both ends of the insulating layer 236. It is formed to be located. In this case, a via hole may be formed in the insulating layer 236, and an end 234a of the excitation bridge electrode pattern 234 may be inserted into the insulating layer 236.
  • This structure is more suitable when the size of the touch panel is relatively small since the bridge electrode pattern 134 does not extend to the outer end of the insulating layer 134.
  • the present invention relates to a touch sensor and can be used as an input device of various display devices, thereby providing industrial applicability.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Quality & Reliability (AREA)
  • Position Input By Displaying (AREA)
  • Switches That Are Operated By Magnetic Or Electric Fields (AREA)

Abstract

L'invention concerne un capteur tactile capacitif comprenant un panneau de fenêtre et un capteur capacitif disposé sous ledit panneau de fenêtre. Ledit capteur capacitif comprend un substrat, un premier motif d'électrode et un second motif d'électrode formés dans une direction d'intersection sur un côté supérieur du substrat, et des câbles de circuit connectés sélectivement au premier motif d'électrode et au second motif d'électrode. Ledit second motif d'électrode comprend plusieurs éléments de motif d'électrode qui sont disposés selon un état de séparation réciproque sur les deux côtés du premier motif d'électrode dans une direction d'intersection et dans une direction dans laquelle s'étend le premier motif d'électrode, tandis que lesdits éléments de motif d'électrode voisins sont connectés électriquement les uns aux autres par un motif d'électrode de pont disposé entre eux et traversant la partie supérieure du premier motif d'électrode.
PCT/KR2011/004333 2010-06-14 2011-06-14 Capteur tactile capacitif Ceased WO2011159080A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011800292292A CN102971696A (zh) 2010-06-14 2011-06-14 静电电容触控传感器

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2010-0055874 2010-06-14
KR1020100055874A KR101217591B1 (ko) 2010-06-14 2010-06-14 정전용량 터치 센서

Publications (2)

Publication Number Publication Date
WO2011159080A2 true WO2011159080A2 (fr) 2011-12-22
WO2011159080A3 WO2011159080A3 (fr) 2012-04-19

Family

ID=45348731

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2011/004333 Ceased WO2011159080A2 (fr) 2010-06-14 2011-06-14 Capteur tactile capacitif

Country Status (4)

Country Link
KR (1) KR101217591B1 (fr)
CN (1) CN102971696A (fr)
TW (1) TWI450166B (fr)
WO (1) WO2011159080A2 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103809798A (zh) * 2012-11-08 2014-05-21 财团法人工业技术研究院 触控结构及其制造方法
CN106155385A (zh) * 2015-04-07 2016-11-23 南昌欧菲光科技有限公司 电子设备及其触摸屏

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6029842B2 (ja) * 2012-03-30 2016-11-24 アルプス電気株式会社 静電容量式入力装置
JP2016506574A (ja) * 2012-12-18 2016-03-03 インターフレックス カンパニー リミテッド 反射防止層を含むタッチパネルおよびその製造方法
CN103412689B (zh) * 2013-03-30 2015-04-08 深圳欧菲光科技股份有限公司 电容触摸屏
CN104423674B (zh) * 2013-09-10 2017-09-12 宸鸿科技(厦门)有限公司 触控面板及其制作方法
KR20150061065A (ko) * 2013-11-25 2015-06-04 주성엔지니어링(주) 터치패널 제조 장치, 시스템 및 방법
KR102396125B1 (ko) * 2015-08-18 2022-05-09 주식회사 엘지화학 터치 패널용 전도성 필름, 그리고 이를 포함하는 터치 패널 및 표시 장치
KR200488420Y1 (ko) 2016-02-12 2019-01-28 동우 화인켐 주식회사 터치 센서
TWI581158B (zh) * 2016-06-01 2017-05-01 友達光電股份有限公司 觸控面板及其製作方法
KR102710487B1 (ko) 2019-11-01 2024-09-25 동우 화인켐 주식회사 터치센서 및 그 제조방법
KR102241975B1 (ko) * 2019-12-19 2021-04-21 삼보모터스주식회사 스티어링 휠

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW274598B (en) * 1994-11-15 1996-04-21 Alps Electric Co Ltd Coordinate input device for pen of finger tip
TW200842681A (en) * 2007-04-27 2008-11-01 Tpk Touch Solutions Inc Touch pattern structure of a capacitive touch panel
CN201078769Y (zh) * 2007-04-27 2008-06-25 宸鸿光电科技股份有限公司 电容式触控板的触控图型结构
KR100936009B1 (ko) * 2007-12-04 2010-01-08 주식회사 협진아이엔씨 투 레이어 방식 정전용량 터치스크린 및 그 제조방법
KR20090058072A (ko) * 2007-12-04 2009-06-09 주식회사 협진아이엔씨 원 레이어 방식 정전용량 터치스크린 및 그 제조방법
TWI389020B (zh) * 2008-03-25 2013-03-11 Elan Microelectronics 觸控面板裝置
JP4720857B2 (ja) * 2008-06-18 2011-07-13 ソニー株式会社 静電容量型入力装置および入力機能付き表示装置
KR100978461B1 (ko) * 2008-07-04 2010-08-26 안영수 고감도 디지탈방식의 정전용량터치패널장치
JP4966270B2 (ja) * 2008-08-08 2012-07-04 株式会社ジャパンディスプレイイースト 表示装置
KR101073285B1 (ko) * 2008-12-01 2011-10-12 삼성모바일디스플레이주식회사 터치 스크린 패널

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103809798A (zh) * 2012-11-08 2014-05-21 财团法人工业技术研究院 触控结构及其制造方法
CN103809798B (zh) * 2012-11-08 2017-03-01 财团法人工业技术研究院 触控结构及其制造方法
CN106155385A (zh) * 2015-04-07 2016-11-23 南昌欧菲光科技有限公司 电子设备及其触摸屏
CN106155385B (zh) * 2015-04-07 2023-09-15 安徽精卓光显技术有限责任公司 电子设备及其触摸屏

Also Published As

Publication number Publication date
WO2011159080A3 (fr) 2012-04-19
TW201209689A (en) 2012-03-01
KR101217591B1 (ko) 2013-01-02
KR20110136089A (ko) 2011-12-21
CN102971696A (zh) 2013-03-13
TWI450166B (zh) 2014-08-21

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