WO2012030183A3 - 레벨시프트를 이용한 정전식 터치 검출 장치, 검출 방법 및 이를 내장한 표시 장치 - Google Patents

레벨시프트를 이용한 정전식 터치 검출 장치, 검출 방법 및 이를 내장한 표시 장치 Download PDF

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Publication number
WO2012030183A3
WO2012030183A3 PCT/KR2011/006501 KR2011006501W WO2012030183A3 WO 2012030183 A3 WO2012030183 A3 WO 2012030183A3 KR 2011006501 W KR2011006501 W KR 2011006501W WO 2012030183 A3 WO2012030183 A3 WO 2012030183A3
Authority
WO
WIPO (PCT)
Prior art keywords
level shift
detection apparatus
touch
display device
capacitive touch
Prior art date
Application number
PCT/KR2011/006501
Other languages
English (en)
French (fr)
Other versions
WO2012030183A2 (ko
Inventor
이성호
Original Assignee
Lee Sung Ho
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from KR1020100085360A external-priority patent/KR101085088B1/ko
Priority claimed from KR1020100086754A external-priority patent/KR101085089B1/ko
Application filed by Lee Sung Ho filed Critical Lee Sung Ho
Priority to US13/820,146 priority Critical patent/US9703425B2/en
Publication of WO2012030183A2 publication Critical patent/WO2012030183A2/ko
Publication of WO2012030183A3 publication Critical patent/WO2012030183A3/ko
Priority to US14/811,111 priority patent/US9772732B2/en

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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
    • G06F3/0416—Control or interface arrangements specially adapted for digitisers
    • G06F3/0418—Control or interface arrangements specially adapted for digitisers for error correction or compensation, e.g. based on parallax, calibration or alignment
    • 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
    • G06F3/04166—Details of scanning methods, e.g. sampling time, grouping of sub areas or time sharing with display driving
    • 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
    • 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
    • G06F2203/04104—Multi-touch detection in digitiser, i.e. details about the simultaneous detection of a plurality of touching locations, e.g. multiple fingers or pen and finger
    • 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
    • G06F2203/04111—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

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)
  • Position Input By Displaying (AREA)

Abstract

본 발명에 따르면 공통전극과 센서패턴 사이에서 형성되는 공통전극정전용량에 터치입력에 의한 터치정전용량이 부가될 때 전압변동분에 레벨시프트 현상이 발생하는 것을 감지하여 터치신호를 획득함으로써, 외부의 노이즈 대비 터치신호가 안정적으로 획득되며, 기생정전용량에 의한 영향을 최소화 할 수 있는 터치 검출 장치가 제공된다.
PCT/KR2011/006501 2010-09-01 2011-09-01 레벨시프트를 이용한 정전식 터치 검출 장치, 검출 방법 및 이를 내장한 표시 장치 WO2012030183A2 (ko)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US13/820,146 US9703425B2 (en) 2010-09-01 2011-09-01 Capacitive touch detecting device and method using level shift, and display device using the same
US14/811,111 US9772732B2 (en) 2010-09-01 2015-07-28 Capacitive touch detecting device and method using level shift, and display device using the same

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR10-2010-0085360 2010-09-01
KR1020100085360A KR101085088B1 (ko) 2010-09-01 2010-09-01 레벨시프트를 이용한 정전식 터치 검출수단, 검출방법 및 터치스크린패널과, 그러한 정전식 터치스크린패널을 내장한 표시장치
KR10-2010-0086754 2010-09-04
KR1020100086754A KR101085089B1 (ko) 2010-09-04 2010-09-04 레벨시프트를 이용한 정전식 터치 검출수단, 검출방법 및 터치스크린패널과, 그러한 정전식 터치스크린패널을 내장한 표시장치

Related Child Applications (2)

Application Number Title Priority Date Filing Date
US13/820,146 A-371-Of-International US9703425B2 (en) 2010-09-01 2011-09-01 Capacitive touch detecting device and method using level shift, and display device using the same
US14/811,111 Continuation US9772732B2 (en) 2010-09-01 2015-07-28 Capacitive touch detecting device and method using level shift, and display device using the same

Publications (2)

Publication Number Publication Date
WO2012030183A2 WO2012030183A2 (ko) 2012-03-08
WO2012030183A3 true WO2012030183A3 (ko) 2012-04-26

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2011/006501 WO2012030183A2 (ko) 2010-09-01 2011-09-01 레벨시프트를 이용한 정전식 터치 검출 장치, 검출 방법 및 이를 내장한 표시 장치

Country Status (2)

Country Link
US (2) US9703425B2 (ko)
WO (1) WO2012030183A2 (ko)

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JP6240530B2 (ja) * 2014-02-21 2017-11-29 株式会社ワコム 信号処理回路、信号処理方法、位置検出装置及び電子機器
CN103970392B (zh) * 2014-04-18 2019-10-01 京东方科技集团股份有限公司 一种触摸屏及显示装置
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TWI718540B (zh) * 2019-05-23 2021-02-11 元太科技工業股份有限公司 觸控結構及其製作方法與觸控顯示裝置
CN111258456B (zh) * 2020-01-21 2022-09-20 重庆京东方显示技术有限公司 显示基板及其制造方法、显示装置
KR20230061904A (ko) * 2021-10-29 2023-05-09 주식회사 엘엑스세미콘 터치 구동 회로 및 그 구동 방법과 터치 디스플레이 장치의 구동 장치

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Also Published As

Publication number Publication date
WO2012030183A2 (ko) 2012-03-08
US9772732B2 (en) 2017-09-26
US9703425B2 (en) 2017-07-11
US20130162595A1 (en) 2013-06-27
US20150331521A1 (en) 2015-11-19

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