TWI267818B - A method and apparatus to generate reference voltages for flat panel displays - Google Patents

A method and apparatus to generate reference voltages for flat panel displays Download PDF

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Publication number
TWI267818B
TWI267818B TW091120145A TW91120145A TWI267818B TW I267818 B TWI267818 B TW I267818B TW 091120145 A TW091120145 A TW 091120145A TW 91120145 A TW91120145 A TW 91120145A TW I267818 B TWI267818 B TW I267818B
Authority
TW
Taiwan
Prior art keywords
dac
reference voltage
holding circuits
input
registers
Prior art date
Application number
TW091120145A
Other languages
English (en)
Chinese (zh)
Inventor
Zhi-Nan Peter Wei
Original Assignee
Elantec Semiconductor 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 Elantec Semiconductor Inc filed Critical Elantec Semiconductor Inc
Application granted granted Critical
Publication of TWI267818B publication Critical patent/TWI267818B/zh

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Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/66—Digital/analogue converters
    • H03M1/662—Multiplexed conversion systems
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
    • G05F1/10—Regulating voltage or current 
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
    • G09G3/3611—Control of matrices with row and column drivers
    • G09G3/3696—Generation of voltages supplied to electrode drivers

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Computer Hardware Design (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • Electromagnetism (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Analogue/Digital Conversion (AREA)
  • Liquid Crystal (AREA)
TW091120145A 2001-09-05 2002-09-04 A method and apparatus to generate reference voltages for flat panel displays TWI267818B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US31758101P 2001-09-05 2001-09-05

Publications (1)

Publication Number Publication Date
TWI267818B true TWI267818B (en) 2006-12-01

Family

ID=23234337

Family Applications (1)

Application Number Title Priority Date Filing Date
TW091120145A TWI267818B (en) 2001-09-05 2002-09-04 A method and apparatus to generate reference voltages for flat panel displays

Country Status (5)

Country Link
US (2) US6781532B2 (enExample)
JP (1) JP4359504B2 (enExample)
KR (1) KR20040044529A (enExample)
TW (1) TWI267818B (enExample)
WO (1) WO2003021567A1 (enExample)

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TWI250823B (en) * 2003-11-26 2006-03-01 Rohm Co Ltd D/A converter circuit, organic EL drive circuit and organic EL display device
JP4199141B2 (ja) * 2004-02-23 2008-12-17 東芝松下ディスプレイテクノロジー株式会社 表示信号処理装置および表示装置
JP4643954B2 (ja) * 2004-09-09 2011-03-02 ルネサスエレクトロニクス株式会社 階調電圧生成回路及び階調電圧生成方法
US7193551B2 (en) * 2005-02-25 2007-03-20 Intersil Americas Inc. Reference voltage generator for use in display applications
US7728807B2 (en) * 2005-02-25 2010-06-01 Chor Yin Chia Reference voltage generator for use in display applications
US7554517B2 (en) * 2005-03-14 2009-06-30 Texas Instruments Incorporated Method and apparatus for setting gamma correction voltages for LCD source drivers
JP2006279452A (ja) * 2005-03-29 2006-10-12 Sharp Corp サンプルホールド回路および半導体装置
JP4648779B2 (ja) * 2005-07-07 2011-03-09 Ｏｋｉセミコンダクタ株式会社 ディジタル・アナログ変換器
KR100706953B1 (ko) 2005-07-11 2007-04-12 삼성전기주식회사 카메라의 자동초점조절장치 및 그 방법
KR101160835B1 (ko) 2005-07-20 2012-06-28 삼성전자주식회사 표시 장치의 구동 장치
US7477176B2 (en) * 2005-07-28 2009-01-13 International Business Machines Corporation Method and apparatus for generating multiple analog signals using a single microcontroller output pin
KR100708939B1 (ko) 2005-08-08 2007-04-17 삼성전기주식회사 디지털/아날로그 변환기
US7903106B2 (en) * 2005-12-21 2011-03-08 Integrated Memory Logic, Inc. Digital-to-analog converter (DAC) for gamma correction
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US20080055227A1 (en) * 2006-08-30 2008-03-06 Ati Technologies Inc. Reduced component display driver and method
US8115755B2 (en) * 2006-09-28 2012-02-14 Intersil Americas Inc. Reducing power consumption associated with high bias currents in systems that drive or otherwise control displays
KR100815754B1 (ko) 2006-11-09 2008-03-20 삼성에스디아이 주식회사 구동회로 및 이를 이용한 유기전계발광표시장치
US7400283B1 (en) * 2006-12-19 2008-07-15 Actel Corporation Mixed signal system-on-a-chip integrated simultaneous multiple sample/hold circuits and embedded analog comparators
JP5176689B2 (ja) * 2007-10-16 2013-04-03 セイコーエプソン株式会社 データドライバ、集積回路装置及び電子機器
US7982520B2 (en) * 2009-12-18 2011-07-19 Advantest Corporation Signal generating apparatus and test apparatus
TWI489430B (zh) * 2010-01-11 2015-06-21 Novatek Microelectronics Corp 顯示器的驅動裝置
US11563389B2 (en) * 2010-07-30 2023-01-24 Danfoss Customised Power Electronics Method for starting a single-phase induction motor
JP2015069019A (ja) * 2013-09-30 2015-04-13 シナプティクス・ディスプレイ・デバイス株式会社 半導体装置
JP2017151197A (ja) * 2016-02-23 2017-08-31 ソニー株式会社 ソースドライバ、表示装置、及び、電子機器
US10447292B1 (en) 2018-08-27 2019-10-15 Qualcomm Incorporated Multiple-bit parallel successive approximation register (SAR) analog-to-digital converter (ADC) circuits
US10425095B1 (en) 2018-08-27 2019-09-24 Qualcomm Incorporated Multiple-bit parallel successive approximation (SA) flash analog-to-digital converter (ADC) circuits
US10333544B1 (en) 2018-09-19 2019-06-25 Qualcomm Incorporated Digital-to-analog converter (DAC) circuits employing resistor rotator circuits configured to be included in analog-to-digital converter (ADC) circuits
CN110379383B (zh) * 2019-06-10 2021-05-04 惠科股份有限公司 参考电压产生电路及显示装置
CN112104355B (zh) * 2020-10-16 2025-01-28 深圳市爱协生科技股份有限公司 一种源缓冲器可配置偏置电路
CN115347900A (zh) 2021-05-14 2022-11-15 恩智浦有限公司 多通道数模转换器
KR102813448B1 (ko) * 2021-07-06 2025-05-27 삼성전자주식회사 아날로그-디지털 변환기
KR102774885B1 (ko) 2021-12-17 2025-03-04 엘지디스플레이 주식회사 표시장치 및 이의 구동방법

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Also Published As

Publication number Publication date
KR20040044529A (ko) 2004-05-28
US20040257252A1 (en) 2004-12-23
US20030043060A1 (en) 2003-03-06
US6927712B2 (en) 2005-08-09
WO2003021567A1 (en) 2003-03-13
JP2005502093A (ja) 2005-01-20
JP4359504B2 (ja) 2009-11-04
US6781532B2 (en) 2004-08-24

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MM4A Annulment or lapse of patent due to non-payment of fees