KR102321247B1 - 투사형 커패시턴스 터치 스크린들 및 패널들의 신호-대-잡음 성능을 향상시키기 위한 장치 - Google Patents

투사형 커패시턴스 터치 스크린들 및 패널들의 신호-대-잡음 성능을 향상시키기 위한 장치 Download PDF

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KR102321247B1
KR102321247B1 KR1020167020166A KR20167020166A KR102321247B1 KR 102321247 B1 KR102321247 B1 KR 102321247B1 KR 1020167020166 A KR1020167020166 A KR 1020167020166A KR 20167020166 A KR20167020166 A KR 20167020166A KR 102321247 B1 KR102321247 B1 KR 102321247B1
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electrodes
voltage
self
high voltage
capacitance values
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KR20160144957A (ko
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아트마 샤르마
코리 월턴
제리 하나워
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마이크로칩 테크놀로지 인코포레이티드
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    • 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
    • G06F3/0414—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using force sensing means to determine a position
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/0416—Control or interface arrangements specially adapted for digitisers
    • G06F3/04166—Details of scanning methods, e.g. sampling time, grouping of sub areas or time sharing with display driving
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/0416—Control or interface arrangements specially adapted for digitisers
    • G06F3/0418—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 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
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/22—Modifications for ensuring a predetermined initial state when the supply voltage has been applied
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K19/00—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
    • H03K19/0175—Coupling arrangements; Interface arrangements
    • H03K19/017509—Interface arrangements
    • 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
    • G06F2203/04106—Multi-sensing digitiser, i.e. digitiser using at least two different sensing technologies simultaneously or alternatively, e.g. for detecting pen and finger, for saving power or for improving position detection

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • Mathematical Physics (AREA)
  • Position Input By Displaying (AREA)
KR1020167020166A 2014-04-16 2015-04-14 투사형 커패시턴스 터치 스크린들 및 패널들의 신호-대-잡음 성능을 향상시키기 위한 장치 Active KR102321247B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US14/254,164 2014-04-16
US14/254,164 US9354743B2 (en) 2014-04-16 2014-04-16 Apparatus for improving signal-to-noise performance of projected capacitance touch screens and panels
PCT/US2015/025759 WO2015160812A1 (en) 2014-04-16 2015-04-14 Apparatus for improving signal-to-noise performance of projected capacitance touch screens and panels

Publications (2)

Publication Number Publication Date
KR20160144957A KR20160144957A (ko) 2016-12-19
KR102321247B1 true KR102321247B1 (ko) 2021-11-04

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KR1020167020166A Active KR102321247B1 (ko) 2014-04-16 2015-04-14 투사형 커패시턴스 터치 스크린들 및 패널들의 신호-대-잡음 성능을 향상시키기 위한 장치

Country Status (7)

Country Link
US (2) US9354743B2 (https=)
EP (1) EP3132334B1 (https=)
JP (1) JP6525475B2 (https=)
KR (1) KR102321247B1 (https=)
CN (1) CN106030476B (https=)
TW (1) TWI662463B (https=)
WO (1) WO2015160812A1 (https=)

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CN103889118B (zh) * 2014-03-18 2016-02-10 深圳创维－Rgb电子有限公司 一种oled驱动电源装置
US9354743B2 (en) 2014-04-16 2016-05-31 Microchip Technology Incorporated Apparatus for improving signal-to-noise performance of projected capacitance touch screens and panels
US9983748B2 (en) * 2016-02-17 2018-05-29 Atmel Corporation Connecting electrodes to voltages
CN108780371B (zh) * 2016-12-29 2021-07-23 深圳市汇顶科技股份有限公司 触控系统及其电源供应电路
JP6833530B2 (ja) * 2017-01-30 2021-02-24 株式会社ジャパンディスプレイ 表示装置
CN106952585B (zh) * 2017-05-02 2023-08-22 深圳市洲明科技股份有限公司 Led显示屏系统
EP4390619B1 (en) 2021-10-01 2025-09-17 Samsung Electronics Co., Ltd. Electronic device and operation method thereof
US12287934B2 (en) * 2023-07-24 2025-04-29 Novatek Microelectronics Corp. Touch and display driving circuit and operation method thereof

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US20140015791A1 (en) 2012-07-10 2014-01-16 Hannstar Display Corporation Touch panel driving device and driving method thereof
WO2014038160A1 (en) 2012-09-04 2014-03-13 Sony Corporation Display device and electronic apparatus

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EP2300899A4 (en) * 2008-05-14 2012-11-07 3M Innovative Properties Co SYSTEM AND METHOD FOR EVALUATING POSITIONS OF MULTIPLE TOUCH INPUTS
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TWI442293B (zh) * 2008-07-09 2014-06-21 禾瑞亞科技股份有限公司 電容式感測裝置及方法
US8836350B2 (en) 2009-01-16 2014-09-16 Microchip Technology Incorporated Capacitive touch sensing using an internal capacitor of an analog-to-digital converter (ADC) and a voltage reference
TWI528250B (zh) * 2009-06-25 2016-04-01 Elan Microelectronics Corp Object Detector and Method for Capacitive Touchpad
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US20140015791A1 (en) 2012-07-10 2014-01-16 Hannstar Display Corporation Touch panel driving device and driving method thereof
WO2014038160A1 (en) 2012-09-04 2014-03-13 Sony Corporation Display device and electronic apparatus

Also Published As

Publication number Publication date
JP6525475B2 (ja) 2019-06-05
US20150301675A1 (en) 2015-10-22
TW201546694A (zh) 2015-12-16
EP3132334B1 (en) 2019-09-04
TWI662463B (zh) 2019-06-11
CN106030476B (zh) 2019-08-23
US20160274731A1 (en) 2016-09-22
EP3132334A1 (en) 2017-02-22
WO2015160812A1 (en) 2015-10-22
CN106030476A (zh) 2016-10-12
KR20160144957A (ko) 2016-12-19
JP2017511518A (ja) 2017-04-20
US9910543B2 (en) 2018-03-06
US9354743B2 (en) 2016-05-31

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