JP7319291B2 - タッチ検出回路、タッチ表示装置及びタッチ検出方法 - Google Patents

タッチ検出回路、タッチ表示装置及びタッチ検出方法 Download PDF

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Publication number
JP7319291B2
JP7319291B2 JP2020552722A JP2020552722A JP7319291B2 JP 7319291 B2 JP7319291 B2 JP 7319291B2 JP 2020552722 A JP2020552722 A JP 2020552722A JP 2020552722 A JP2020552722 A JP 2020552722A JP 7319291 B2 JP7319291 B2 JP 7319291B2
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capacitor
switch
voltage
compensating
touch detection
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Japanese (ja)
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JP2022507996A (ja
Inventor
リュウ、チョン
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Chipone Technology Beijing Co Ltd
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Chipone Technology Beijing Co Ltd
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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
    • G06F3/0416—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
    • G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electronic Switches (AREA)
  • Position Input By Displaying (AREA)
JP2020552722A 2019-04-26 2019-08-16 タッチ検出回路、タッチ表示装置及びタッチ検出方法 Active JP7319291B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN201910343219.4 2019-04-26
CN201910343219.4A CN110196653B (zh) 2019-04-26 2019-04-26 触摸检测电路、触控显示装置以及触摸检测方法
PCT/CN2019/101023 WO2020215537A1 (zh) 2019-04-26 2019-08-16 触摸检测电路、触控显示装置以及触摸检测方法

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JP2022507996A JP2022507996A (ja) 2022-01-19
JP7319291B2 true JP7319291B2 (ja) 2023-08-01

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JP2020552722A Active JP7319291B2 (ja) 2019-04-26 2019-08-16 タッチ検出回路、タッチ表示装置及びタッチ検出方法

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JP (1) JP7319291B2 (zh)
KR (1) KR102491774B1 (zh)
CN (1) CN110196653B (zh)
WO (1) WO2020215537A1 (zh)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113287027B (zh) * 2019-11-20 2023-04-07 深圳市汇顶科技股份有限公司 一种电容检测电路、触控装置、终端设备和电容检测方法
CN111245218B (zh) * 2020-01-14 2021-09-17 北京集创北方科技股份有限公司 开关控制电路、多路选择开关电路及其控制方法
CN111399679B (zh) * 2020-03-11 2022-04-08 北京集创北方科技股份有限公司 电容检测装置
CN112798872B (zh) * 2020-12-25 2023-08-08 南京邮电大学 一种触摸屏电容检测电路
CN114097180B (zh) * 2020-12-28 2023-07-28 深圳市汇顶科技股份有限公司 一种nfc设备
CN112415604B (zh) * 2021-01-22 2021-06-18 深圳市汇顶科技股份有限公司 检测电路、芯片及相关电子装置
CN113204290B (zh) 2021-04-19 2022-12-30 深圳天德钰科技股份有限公司 信号补偿电路、触控控制电路及显示装置

Citations (7)

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US20090243631A1 (en) 2008-03-25 2009-10-01 Raydium Semiconductor Corporation Circuit for capacitance measurement and method therefor
CN101676828A (zh) 2008-09-19 2010-03-24 智原科技股份有限公司 应用于低操作电压的参考电流产生电路
CN104049822A (zh) 2014-06-18 2014-09-17 深圳贝特莱电子科技有限公司 一种触摸屏控制电路的检测系统
US20160124544A1 (en) 2014-11-05 2016-05-05 Samsung Electronics Co., Ltd. Touch analog front end and touch sensor controller having the same
US20180004349A1 (en) 2016-06-30 2018-01-04 Stmicroelectronics Asia Pacific Pte Ltd Self-sensing touch panel
US20180156853A1 (en) 2016-12-02 2018-06-07 Raydium Semiconductor Corporation Capacitance measuring circuit and capacitance measuring method
US20180238944A1 (en) 2017-02-23 2018-08-23 Melfas Inc. Capacitance detection method and capacitance detection apparatus using the same

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US8982060B2 (en) * 2010-08-27 2015-03-17 Apple Inc. Touch and hover sensor compensation
CN102541367B (zh) * 2010-12-29 2015-11-25 比亚迪股份有限公司 一种电容式触控检测电路、检测装置
CN103593097B (zh) * 2012-11-29 2017-03-01 敦泰科技有限公司 一种终端设备的触摸检测系统及终端设备
WO2014208897A1 (ko) * 2013-06-27 2014-12-31 크루셜텍 주식회사 터치 검출 장치 및 방법
KR102251059B1 (ko) * 2014-10-06 2021-05-13 삼성전자주식회사 다단계 오프셋 커패시턴스 조정이 가능한 터치 디스플레이 장치
CN106598370B (zh) * 2017-01-19 2024-03-15 北京集创北方科技股份有限公司 触摸检测电路及其触控装置
CN206877306U (zh) * 2017-04-12 2018-01-12 北京集创北方科技股份有限公司 感应电容测量装置
TWI685782B (zh) * 2017-10-11 2020-02-21 瑞鼎科技股份有限公司 電容式觸控感測電路及其電荷補償方法

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090243631A1 (en) 2008-03-25 2009-10-01 Raydium Semiconductor Corporation Circuit for capacitance measurement and method therefor
CN101676828A (zh) 2008-09-19 2010-03-24 智原科技股份有限公司 应用于低操作电压的参考电流产生电路
CN104049822A (zh) 2014-06-18 2014-09-17 深圳贝特莱电子科技有限公司 一种触摸屏控制电路的检测系统
US20160124544A1 (en) 2014-11-05 2016-05-05 Samsung Electronics Co., Ltd. Touch analog front end and touch sensor controller having the same
US20180004349A1 (en) 2016-06-30 2018-01-04 Stmicroelectronics Asia Pacific Pte Ltd Self-sensing touch panel
US20180156853A1 (en) 2016-12-02 2018-06-07 Raydium Semiconductor Corporation Capacitance measuring circuit and capacitance measuring method
US20180238944A1 (en) 2017-02-23 2018-08-23 Melfas Inc. Capacitance detection method and capacitance detection apparatus using the same

Also Published As

Publication number Publication date
CN110196653A (zh) 2019-09-03
CN110196653B (zh) 2020-09-11
JP2022507996A (ja) 2022-01-19
WO2020215537A1 (zh) 2020-10-29
KR20210010580A (ko) 2021-01-27
KR102491774B1 (ko) 2023-01-27

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