JP6525475B2 - 投影容量式タッチスクリーンおよびパネルの信号／雑音性能を改良するための装置 - Google Patents

投影容量式タッチスクリーンおよびパネルの信号／雑音性能を改良するための装置 Download PDF

Info

Publication number
JP6525475B2
JP6525475B2 JP2016549567A JP2016549567A JP6525475B2 JP 6525475 B2 JP6525475 B2 JP 6525475B2 JP 2016549567 A JP2016549567 A JP 2016549567A JP 2016549567 A JP2016549567 A JP 2016549567A JP 6525475 B2 JP6525475 B2 JP 6525475B2
Authority
JP
Japan
Prior art keywords
electrodes
capacitance
voltage
integrated circuit
self
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.)
Active
Application number
JP2016549567A
Other languages
English (en)
Japanese (ja)
Other versions
JP2017511518A5 (enExample
JP2017511518A (ja
Inventor
アトマ シャーマ，
アトマ シャーマ，
コリー ウォルトン，
コリー ウォルトン，
ジェリー ハノーアー，
ジェリー ハノーアー，
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.)
Microchip Technology Inc
Original Assignee
Microchip Technology Inc
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 Microchip Technology Inc filed Critical Microchip Technology Inc
Publication of JP2017511518A publication Critical patent/JP2017511518A/ja
Publication of JP2017511518A5 publication Critical patent/JP2017511518A5/ja
Application granted granted Critical
Publication of JP6525475B2 publication Critical patent/JP6525475B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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

Landscapes

  • 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)
JP2016549567A 2014-04-16 2015-04-14 投影容量式タッチスクリーンおよびパネルの信号／雑音性能を改良するための装置 Active JP6525475B2 (ja)

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 (3)

Publication Number Publication Date
JP2017511518A JP2017511518A (ja) 2017-04-20
JP2017511518A5 JP2017511518A5 (enExample) 2018-05-31
JP6525475B2 true JP6525475B2 (ja) 2019-06-05

Family

ID=53015937

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2016549567A Active JP6525475B2 (ja) 2014-04-16 2015-04-14 投影容量式タッチスクリーンおよびパネルの信号／雑音性能を改良するための装置

Country Status (7)

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)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12101019B2 (en) 2021-10-01 2024-09-24 Samsung Electronics Co., Ltd. Electronic device and method of operating the same

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103889118B (zh) * 2014-03-18 2016-02-10 深圳创维－Rgb电子有限公司 一种oled驱动电源装置
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
US12287934B2 (en) * 2023-07-24 2025-04-29 Novatek Microelectronics Corp. Touch and display driving circuit and operation method thereof

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9710095B2 (en) * 2007-01-05 2017-07-18 Apple Inc. Touch screen stack-ups
TW200830247A (en) * 2007-01-09 2008-07-16 Denmos Technology Inc Gate driver
US7460441B2 (en) 2007-01-12 2008-12-02 Microchip Technology Incorporated Measuring a long time period
US7920134B2 (en) * 2007-06-13 2011-04-05 Apple Inc. Periodic sensor autocalibration and emulation by varying stimulus level
US8018176B1 (en) 2007-06-28 2011-09-13 National Semiconductor Corporation Selectable power FET control for display power converter
EP2300899A4 (en) * 2008-05-14 2012-11-07 3M Innovative Properties Co SYSTEM AND METHOD FOR EVALUATING POSITIONS OF MULTIPLE TOUCH INPUTS
US7764213B2 (en) 2008-07-01 2010-07-27 Microchip Technology Incorporated Current-time digital-to-analog converter
TWI442293B (zh) * 2008-07-09 2014-06-21 Egalax Empia Technology Inc 電容式感測裝置及方法
US8836350B2 (en) 2009-01-16 2014-09-16 Microchip Technology Incorporated Capacitive touch sensing using an internal capacitor of an analog-to-digital converter (ADC) and a voltage reference
TWI528250B (zh) * 2009-06-25 2016-04-01 Elan Microelectronics Corp Object Detector and Method for Capacitive Touchpad
US9069405B2 (en) * 2009-07-28 2015-06-30 Cypress Semiconductor Corporation Dynamic mode switching for fast touch response
GB2475735A (en) * 2009-11-27 2011-06-01 Gpeg Internat Ltd Detecting touches with an oscillator with a frequency dependent on the capacitance of a touch sensor
CN101840293B (zh) * 2010-01-21 2012-03-21 宸鸿科技(厦门)有限公司 投射电容式触控面板的扫描方法
US8933907B2 (en) 2010-04-30 2015-01-13 Microchip Technology Incorporated Capacitive touch system using both self and mutual capacitance
JP5780650B2 (ja) 2011-11-11 2015-09-16 株式会社Ｊｏｌｅｄ レベルシフタ回路、走査回路、表示装置、及び、電子機器
TW201322066A (zh) * 2011-11-17 2013-06-01 Novatek Microelectronics Corp 控制觸控面板的方法
TWI457812B (zh) * 2012-02-24 2014-10-21 Elan Microelectronics Corp 電容式觸控面板感測器及其製造方法
TWI463369B (zh) * 2012-03-27 2014-12-01 Chunghwa Picture Tubes Ltd 訊號雜訊比例控制系統及其方法
US9207820B2 (en) * 2012-03-30 2015-12-08 Microchip Technology Incorporated Method and system for multi-touch decoding
CN102693055B (zh) * 2012-05-02 2014-12-10 东莞市乐升电子有限公司 投射电容触摸屏信号检测装置及其检测方法
CN103543857A (zh) 2012-07-10 2014-01-29 瀚宇彩晶股份有限公司 触控面板的驱动装置及驱动方法
JP2014048605A (ja) 2012-09-04 2014-03-17 Sony Corp 表示装置および電子機器
JP6034161B2 (ja) * 2012-11-29 2016-11-30 シナプティクス・ジャパン合同会社 半導体装置及び電子機器
US9280245B2 (en) * 2013-02-28 2016-03-08 Qualcomm Technologies, Inc. Touch panel sensor having dual-mode capacitive sensing for detecting an object
JP2014174851A (ja) * 2013-03-11 2014-09-22 Japan Display Inc タッチセンサ装置、表示装置、及び電子機器
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12101019B2 (en) 2021-10-01 2024-09-24 Samsung Electronics Co., Ltd. Electronic device and method of operating the same

Also Published As

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
CN106030476B (zh) 2019-08-23
KR20160144957A (ko) 2016-12-19
KR102321247B1 (ko) 2021-11-04
WO2015160812A1 (en) 2015-10-22
US9354743B2 (en) 2016-05-31
EP3132334A1 (en) 2017-02-22
JP2017511518A (ja) 2017-04-20
CN106030476A (zh) 2016-10-12

Similar Documents

Publication Publication Date Title
JP6525475B2 (ja) 投影容量式タッチスクリーンおよびパネルの信号／雑音性能を改良するための装置
US9310952B2 (en) Capacitive touch system using both self and mutual capacitance
US10031632B2 (en) Pseudo driven shield
US20150002176A1 (en) Touch sensing device and touchscreen apparatus
US8970527B2 (en) Capacitive touch panel having mutual capacitance and self capacitance sensing modes and sensing method thereof
JP5367175B2 (ja) マルチタッチを検知できるタッチパネル及びその装置のマルチタッチ検知方法
KR101105279B1 (ko) 터치 센서 ｉｃ
US8878795B2 (en) Touch sensing apparatus and operating method thereof
US8872791B2 (en) Touch sensing device and method thereof
US20160162108A1 (en) Touch Sensor Driver With Selectable Charge Source
US20140192011A1 (en) Touch-input detection device, touch-screen having the same, and method of detecting a touch-input
KR101103288B1 (ko) 터치 센서 ｉｃ
CN109669585B (zh) 可确定导电类型的电容式触摸感测
US20130100068A1 (en) Touch input sensing device and method thereof
CN110489002A (zh) 驱动器装置
US9086773B2 (en) Touchscreen device and method of processing touch data
US20150138133A1 (en) Touchscreen device and method of driving the same

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20180412

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20180412

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20181221

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20190110

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20190328

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20190424

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20190503

R150 Certificate of patent or registration of utility model

Ref document number: 6525475

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250