WO2009011150A1 - 表示装置およびその駆動方法 - Google Patents

表示装置およびその駆動方法 Download PDF

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Publication number
WO2009011150A1
WO2009011150A1 PCT/JP2008/054856 JP2008054856W WO2009011150A1 WO 2009011150 A1 WO2009011150 A1 WO 2009011150A1 JP 2008054856 W JP2008054856 W JP 2008054856W WO 2009011150 A1 WO2009011150 A1 WO 2009011150A1
Authority
WO
WIPO (PCT)
Prior art keywords
reference voltage
voltage
gradation
gradation reference
display device
Prior art date
Application number
PCT/JP2008/054856
Other languages
English (en)
French (fr)
Inventor
Toshikazu Matsukawa
Original Assignee
Sharp Kabushiki Kaisha
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 Sharp Kabushiki Kaisha filed Critical Sharp Kabushiki Kaisha
Priority to US12/451,165 priority Critical patent/US8358294B2/en
Priority to EP08722251.9A priority patent/EP2178078A4/en
Priority to CN2008800143949A priority patent/CN101675465B/zh
Priority to JP2009523558A priority patent/JP4994454B2/ja
Publication of WO2009011150A1 publication Critical patent/WO2009011150A1/ja

Links

Classifications

    • 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
    • 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
    • G09G3/3648—Control of matrices with row and column drivers using an active matrix
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2310/00—Command of the display device
    • G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
    • G09G2310/0264—Details of driving circuits
    • G09G2310/027—Details of drivers for data electrodes, the drivers handling digital grey scale data, e.g. use of D/A converters
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2310/00—Command of the display device
    • G09G2310/08—Details of timing specific for flat panels, other than clock recovery
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/0271—Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping
    • G09G2320/0276—Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping for the purpose of adaptation to the characteristics of a display device, i.e. gamma correction
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/06—Adjustment of display parameters
    • G09G2320/0673—Adjustment of display parameters for control of gamma adjustment, e.g. selecting another gamma curve
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/08—Arrangements within a display terminal for setting, manually or automatically, display parameters of the display terminal
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
    • G09G2330/02—Details of power systems and of start or stop of display operation
    • G09G2330/026—Arrangements or methods related to booting a display
    • 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
    • G09G3/3614—Control of polarity reversal in general
    • 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
    • G09G3/3685—Details of drivers for data electrodes
    • G09G3/3688—Details of drivers for data electrodes suitable for active matrices only

Abstract

　本発明は、表示部をリニューアルしたとき、ガンマ特性の補正を簡易かつ迅速に行うことができる表示装置およびその駆動方法を提供することを目的とする。 　液晶表示装置の電源がオンされると、まず複数の抵抗を直列接続した分圧回路によって生成された暫定階調基準電圧がソースドライバに与えられるので、ソースドライバは、与えられた暫定階調基準電圧に基づき暫定階調電圧群を生成する。次に、電源回路が立ち上がると、表示制御回路から与えられた階調電圧データをＤ／ＡコンバータによってＤ／Ａ変換して、正規階調基準電圧が生成される。正規階調基準電圧が生成されると、暫定階調基準電圧に代わって正規階調基準電圧がソースドライバに与えられる。そこで、ソースドライバは、暫定階調電圧の代わりに、正規階調基準電圧に基づいて正規階調電圧を生成する。                                                                                 
PCT/JP2008/054856 2007-07-18 2008-03-17 表示装置およびその駆動方法 WO2009011150A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US12/451,165 US8358294B2 (en) 2007-07-18 2008-03-17 Display device and method for driving same
EP08722251.9A EP2178078A4 (en) 2007-07-18 2008-03-17 DISPLAY DEVICE AND ITS CONTROL METHOD
CN2008800143949A CN101675465B (zh) 2007-07-18 2008-03-17 显示装置及其驱动方法
JP2009523558A JP4994454B2 (ja) 2007-07-18 2008-03-17 表示装置およびその駆動方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007187067 2007-07-18
JP2007-187067 2007-07-18

Publications (1)

Publication Number Publication Date
WO2009011150A1 true WO2009011150A1 (ja) 2009-01-22

Family

ID=40259494

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/054856 WO2009011150A1 (ja) 2007-07-18 2008-03-17 表示装置およびその駆動方法

Country Status (5)

Country Link
US (1) US8358294B2 (ja)
EP (1) EP2178078A4 (ja)
JP (1) JP4994454B2 (ja)
CN (1) CN101675465B (ja)
WO (1) WO2009011150A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110012882A1 (en) * 2009-07-16 2011-01-20 Ji-Yong Jeong Source driver and display device having the same

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CN102290032A (zh) * 2010-06-18 2011-12-21 群康科技(深圳)有限公司 液晶显示器
CN102314839A (zh) * 2010-06-29 2012-01-11 群康科技(深圳)有限公司 液晶显示装置及数据驱动器
JP2012078415A (ja) * 2010-09-30 2012-04-19 Hitachi Displays Ltd 表示装置
KR101254263B1 (ko) 2010-11-23 2013-04-12 삼성디스플레이 주식회사 전원 변환기, 직류-직류 변환기를 포함하는 표시 장치, 표시 장치를 포함하는 시스템 및 표시 장치의 구동 방법
US8817429B2 (en) * 2010-11-23 2014-08-26 Samsung Display Co., Ltd. Power converter, display device including power converter, system including display device, and method of driving display device
KR101860739B1 (ko) 2011-05-18 2018-05-25 삼성디스플레이 주식회사 전원 변환기, 이를 포함하는 디스플레이 장치 및 구동 전압 제어 방법
TWI497159B (zh) * 2011-11-10 2015-08-21 Au Optronics Corp 顯示面板
CN102841465B (zh) * 2012-09-21 2015-09-16 南京华日液晶显示技术有限公司 利用stn液晶显示屏制作的线阵光阀
CN109716428A (zh) * 2016-09-27 2019-05-03 夏普株式会社 显示装置
CN107845365B (zh) * 2017-11-22 2019-12-06 深圳市华星光电半导体显示技术有限公司 Amoled显示器的补偿系统及补偿方法
US10706799B2 (en) * 2017-12-06 2020-07-07 Au Optronics Corporation Display device without a driver IC
KR102591535B1 (ko) * 2019-03-29 2023-10-20 삼성디스플레이 주식회사 감마 전압 생성 장치 및 이를 포함하는 표시 장치
CN111613184B (zh) * 2020-06-22 2021-10-08 京东方科技集团股份有限公司 源驱动电路和显示装置
JP2022006867A (ja) * 2020-06-25 2022-01-13 セイコーエプソン株式会社 回路装置、電気光学装置及び電子機器

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JP2002099261A (ja) * 2000-09-26 2002-04-05 Rohm Co Ltd Ｌｃｄ駆動装置
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110012882A1 (en) * 2009-07-16 2011-01-20 Ji-Yong Jeong Source driver and display device having the same

Also Published As

Publication number Publication date
US8358294B2 (en) 2013-01-22
JP4994454B2 (ja) 2012-08-08
CN101675465B (zh) 2012-05-23
CN101675465A (zh) 2010-03-17
EP2178078A1 (en) 2010-04-21
JPWO2009011150A1 (ja) 2010-09-16
EP2178078A4 (en) 2014-06-11
US20100123738A1 (en) 2010-05-20

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