CN111919193A - 触控芯片、触控检测方法、触控检测系统及电子设备 - Google Patents

触控芯片、触控检测方法、触控检测系统及电子设备 Download PDF

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Publication number
CN111919193A
CN111919193A CN201980000325.0A CN201980000325A CN111919193A CN 111919193 A CN111919193 A CN 111919193A CN 201980000325 A CN201980000325 A CN 201980000325A CN 111919193 A CN111919193 A CN 111919193A
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China
Prior art keywords
touch
signal
module
touch driving
chip
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CN201980000325.0A
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English (en)
Inventor
袁广凯
蒋宏
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Shenzhen Goodix Technology Co Ltd
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Shenzhen Goodix Technology Co Ltd
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Publication of CN111919193A publication Critical patent/CN111919193A/zh
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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
    • G06F3/04184—Synchronisation with the driving of the display or the backlighting unit to avoid interferences generated internally
    • 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
    • G06F3/04164—Connections between sensors and controllers, e.g. routing lines between electrodes and connection pads
    • 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
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
    • G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
    • 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)
  • Computer Networks & Wireless Communication (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Position Input By Displaying (AREA)

Abstract

一种触控芯片、触控检测方法、触控检测系统及电子设备，所述触控芯片包括：同步模块、触控驱动模块、触控检测模块，所述同步模块与显示驱动芯片电连接以使所述触控驱动模块在进行触控驱动时与显示驱动芯片的显示控制信号具有关联关系；所述同步模块与所述触控驱动模块电连接以使所述触控驱动模块在所述显示控制信号的控制下对触控传感器进行驱动；所述触控检测模块与所述触控传感器电连接，用于对所述触控传感器的输出信号进行检测以确定触控位置。触控检测系统消除或者减小了来自显示系统的干扰，从而提高触控检测系统的信噪比，进一步提高了触控检测的灵敏度。

Description

PCT国内申请，说明书已公开。

Claims (24)

  1. PCT国内申请，权利要求书已公开。
CN201980000325.0A 2019-03-08 2019-03-08 触控芯片、触控检测方法、触控检测系统及电子设备 Pending CN111919193A (zh)

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PCT/CN2019/077437 WO2020181404A1 (zh) 2019-03-08 2019-03-08 触控芯片、触控检测方法、触控检测系统及电子设备

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CN111919193A true CN111919193A (zh) 2020-11-10

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US (1) US11093073B2 (zh)
EP (1) EP3736671A1 (zh)
CN (1) CN111919193A (zh)
WO (1) WO2020181404A1 (zh)

Cited By (1)

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CN112363641A (zh) * 2020-11-24 2021-02-12 Oppo广东移动通信有限公司 触控扫描方法、tpic芯片、ddic芯片及模组

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KR20210123454A (ko) * 2020-04-02 2021-10-14 삼성디스플레이 주식회사 입력 감지 장치 및 이를 포함하는 표시 장치
CN112786509B (zh) * 2021-01-26 2024-02-23 江苏优普纳科技有限公司 一种定位系统、定位方法及计算设备

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CN107357455A (zh) * 2017-06-21 2017-11-17 维沃移动通信有限公司 一种显示屏的驱动方法、显示屏以及移动终端

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JP2016045329A (ja) * 2014-08-22 2016-04-04 シナプティクス・ディスプレイ・デバイス合同会社 表示駆動装置及び表示装置
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EP3736671A4 (en) 2020-11-11
WO2020181404A1 (zh) 2020-09-17
US11093073B2 (en) 2021-08-17
EP3736671A1 (en) 2020-11-11
US20200285368A1 (en) 2020-09-10

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