CN111164556A - 触控芯片、电子设备及触控方法 - Google Patents

触控芯片、电子设备及触控方法 Download PDF

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Publication number
CN111164556A
CN111164556A CN201880001175.0A CN201880001175A CN111164556A CN 111164556 A CN111164556 A CN 111164556A CN 201880001175 A CN201880001175 A CN 201880001175A CN 111164556 A CN111164556 A CN 111164556A
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China
Prior art keywords
touch
channel
floating
signal
analog front
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Pending
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CN201880001175.0A
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English (en)
Inventor
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 CN111164556A publication Critical patent/CN111164556A/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
    • G06F3/04166—Details of scanning methods, e.g. sampling time, grouping of sub areas or time sharing with display driving
    • G06F3/041661—Details of scanning methods, e.g. sampling time, grouping of sub areas or time sharing with display driving using detection at multiple resolutions, e.g. coarse and fine scanning; using detection within a limited area, e.g. object tracking window
    • 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
    • G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • 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
    • G06F3/0443—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a single layer of sensing electrodes
    • 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
    • G06F2203/04104—Multi-touch detection in digitiser, i.e. details about the simultaneous detection of a plurality of touching locations, e.g. multiple fingers or pen and finger
    • 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
    • G06F2203/04108—Touchless 2D- digitiser, i.e. digitiser detecting the X/Y position of the input means, finger or stylus, also when it does not touch, but is proximate to the digitiser's interaction surface without distance measurement in the Z direction

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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)
  • Position Input By Displaying (AREA)

Abstract

本申请涉及触控技术领域，提供了一种触控芯片、电子设备及触控方法。触控芯片(1)包括：处理单元(10)、浮地驱动模块(11)以及模拟前端(12)；浮地驱动模块(11)连接模拟前端(12)，模拟前端(12)的检测端连接电容传感组件(3)，模拟前端(12)的输出端连接处理单元(10)；处理单元(10)用于控制浮地驱动模块(11)向模拟前端(12)提供浮地信号，浮地信号用于使电容传感组件(3)产生感应信号，处理单元(10)根据感应信号进行触控检测。采用本申请的实施例，可以有效提高传统触控电路的检测灵敏度，使其能够支持悬浮触控功能。

Description

PCT国内申请，说明书已公开。

Claims (19)

  1. PCT国内申请，权利要求书已公开。
CN201880001175.0A 2018-08-15 2018-08-15 触控芯片、电子设备及触控方法 Pending CN111164556A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2018/100703 WO2020034123A1 (zh) 2018-08-15 2018-08-15 触控芯片、电子设备及触控方法

Publications (1)

Publication Number Publication Date
CN111164556A true CN111164556A (zh) 2020-05-15

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CN201880001175.0A Pending CN111164556A (zh) 2018-08-15 2018-08-15 触控芯片、电子设备及触控方法

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US (1) US11119603B2 (zh)
EP (1) EP3637236A4 (zh)
CN (1) CN111164556A (zh)
WO (1) WO2020034123A1 (zh)

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CN112783374A (zh) * 2021-02-06 2021-05-11 华田信科（廊坊）电子科技有限公司 一种超厚盖板触控显示面板及其测试方法

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CN114327114B (zh) * 2020-09-30 2023-10-20 华为技术有限公司 一种电子设备及其控制方法、触控系统、芯片系统
CN114327115B (zh) 2020-09-30 2024-06-25 华为技术有限公司 一种电子设备及其控制方法、触控系统、芯片系统
TWI766550B (zh) * 2021-01-20 2022-06-01 速博思股份有限公司 觸控控制方法

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CN105718125A (zh) * 2014-12-22 2016-06-29 乐金显示有限公司 触摸感测装置、触摸感测电路、数据驱动电路及显示装置驱动方法
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112783374A (zh) * 2021-02-06 2021-05-11 华田信科（廊坊）电子科技有限公司 一种超厚盖板触控显示面板及其测试方法
CN112783374B (zh) * 2021-02-06 2023-03-28 华田信科（廊坊）电子科技有限公司 一种超厚盖板触控显示面板及其测试方法

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EP3637236A1 (en) 2020-04-15
WO2020034123A1 (zh) 2020-02-20
US20200110527A1 (en) 2020-04-09
US11119603B2 (en) 2021-09-14
EP3637236A4 (en) 2020-06-24

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Application publication date: 20200515