CN106030476B - 用于改善投射式电容触摸屏及面板的信噪比性能的设备 - Google Patents

用于改善投射式电容触摸屏及面板的信噪比性能的设备 Download PDF

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Publication number
CN106030476B
CN106030476B CN201580008978.5A CN201580008978A CN106030476B CN 106030476 B CN106030476 B CN 106030476B CN 201580008978 A CN201580008978 A CN 201580008978A CN 106030476 B CN106030476 B CN 106030476B
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voltage
high voltage
driver
coupled
capacitance
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Chinese (zh)
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CN106030476A (zh
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阿特玛·夏尔马
科里·沃尔顿
杰里·哈诺尔
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Microchip Technology Inc
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Microchip Technology Inc
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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
    • G06F3/0418—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
    • G06F3/0416—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
    • G06F3/044—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)
CN201580008978.5A 2014-04-16 2015-04-14 用于改善投射式电容触摸屏及面板的信噪比性能的设备 Active CN106030476B (zh)

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
CN106030476A CN106030476A (zh) 2016-10-12
CN106030476B true CN106030476B (zh) 2019-08-23

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

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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
EP3367222A4 (en) * 2016-12-29 2018-12-05 Shenzhen Goodix Technology Co., Ltd. Touch system and power supply circuit thereof
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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US20130120347A1 (en) * 2011-11-11 2013-05-16 Sony Corporation Level shifter circuit, scanning circuit, display device and electronic equipment
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Publication number Publication date
US20150301675A1 (en) 2015-10-22
EP3132334B1 (en) 2019-09-04
US9910543B2 (en) 2018-03-06
TWI662463B (zh) 2019-06-11
US20160274731A1 (en) 2016-09-22
TW201546694A (zh) 2015-12-16
KR20160144957A (ko) 2016-12-19
KR102321247B1 (ko) 2021-11-04
WO2015160812A1 (en) 2015-10-22
JP6525475B2 (ja) 2019-06-05
US9354743B2 (en) 2016-05-31
EP3132334A1 (en) 2017-02-22
JP2017511518A (ja) 2017-04-20
CN106030476A (zh) 2016-10-12

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