CN113508359A - 触控装置及其驱动方法 - Google Patents

触控装置及其驱动方法 Download PDF

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Publication number
CN113508359A
CN113508359A CN201980073422.2A CN201980073422A CN113508359A CN 113508359 A CN113508359 A CN 113508359A CN 201980073422 A CN201980073422 A CN 201980073422A CN 113508359 A CN113508359 A CN 113508359A
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CN
China
Prior art keywords
driving
signal
sensing
touch
line
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.)
Pending
Application number
CN201980073422.2A
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English (en)
Inventor
李建鹏
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.)
Shenzhen Royole Technologies Co Ltd
Original Assignee
Shenzhen Royole Technologies 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 Shenzhen Royole Technologies Co Ltd filed Critical Shenzhen Royole Technologies Co Ltd
Publication of CN113508359A publication Critical patent/CN113508359A/zh
Pending legal-status Critical Current

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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
    • G06F3/04182—Filtering of noise external to the device and not generated by digitiser components
    • 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

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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)
  • Position Input By Displaying (AREA)

Abstract

本申请提供一种触控装置(100)及其驱动方法，所述触控装置(100)包括触控面板(21)以及触摸驱动IC(22)，所述触控面板(21)上设置有多条驱动线路(Tx)以及多条感测线路(Rx)。所述驱动方法包括：给驱动线路输入幅值相等、相位相反的两个驱动信号(1601)；通过感测线路获取感测信号(1602)；以及通过触摸驱动IC将所述感测信号中包含的原始噪声信号去除或减弱(1603)。

Description

PCT国内申请，说明书已公开。

Claims (34)

  1. PCT国内申请，权利要求书已公开。
CN201980073422.2A 2019-02-01 2019-02-01 触控装置及其驱动方法 Pending CN113508359A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2019/074390 WO2020155093A1 (zh) 2019-02-01 2019-02-01 触控装置及其驱动方法

Publications (1)

Publication Number Publication Date
CN113508359A true CN113508359A (zh) 2021-10-15

Family

ID=71840224

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201980073422.2A Pending CN113508359A (zh) 2019-02-01 2019-02-01 触控装置及其驱动方法

Country Status (3)

Country Link
US (1) US20220129135A1 (zh)
CN (1) CN113508359A (zh)
WO (1) WO2020155093A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116243825A (zh) * 2023-05-06 2023-06-09 成都市芯璨科技有限公司 一种基于电容检测的触控检测芯片及装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102622144A (zh) * 2011-02-01 2012-08-01 旭曜科技股份有限公司 低功率差动侦测电容式触控的解调变方法及系统
CN107728832A (zh) * 2016-08-12 2018-02-23 三星电子株式会社 触摸显示装置和触摸驱动集成电路的操作方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7054403B2 (en) * 2000-03-21 2006-05-30 Nippon Telegraph And Telephone Corporation Phase-Locked Loop
CN104699307B (zh) * 2015-03-31 2017-10-17 京东方科技集团股份有限公司 一种触控显示驱动方法、驱动装置及触控显示器

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102622144A (zh) * 2011-02-01 2012-08-01 旭曜科技股份有限公司 低功率差动侦测电容式触控的解调变方法及系统
CN107728832A (zh) * 2016-08-12 2018-02-23 三星电子株式会社 触摸显示装置和触摸驱动集成电路的操作方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116243825A (zh) * 2023-05-06 2023-06-09 成都市芯璨科技有限公司 一种基于电容检测的触控检测芯片及装置
CN116243825B (zh) * 2023-05-06 2023-07-25 成都市芯璨科技有限公司 一种基于电容检测的触控检测芯片及装置

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Publication number Publication date
US20220129135A1 (en) 2022-04-28
WO2020155093A1 (zh) 2020-08-06

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