TWI307490B - Display control circuit, display control method, and liquid crystal display device - Google Patents

Display control circuit, display control method, and liquid crystal display device Download PDF

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Publication number
TWI307490B
TWI307490B TW094131916A TW94131916A TWI307490B TW I307490 B TWI307490 B TW I307490B TW 094131916 A TW094131916 A TW 094131916A TW 94131916 A TW94131916 A TW 94131916A TW I307490 B TWI307490 B TW I307490B
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TW
Taiwan
Prior art keywords
liquid crystal
display control
display
gray scale
control circuit
Prior art date
Application number
TW094131916A
Other languages
English (en)
Other versions
TW200629208A (en
Inventor
Seiji Kawaguchi
Original Assignee
Toshiba Matsushita Display Tec
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Publication date
Application filed by Toshiba Matsushita Display Tec filed Critical Toshiba Matsushita Display Tec
Publication of TW200629208A publication Critical patent/TW200629208A/zh
Application granted granted Critical
Publication of TWI307490B publication Critical patent/TWI307490B/zh

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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
    • 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
    • G09G3/3406—Control of illumination source
    • G09G3/342—Control of illumination source using several illumination sources separately controlled corresponding to different display panel areas, e.g. along one dimension such as lines
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • 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
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2300/00—Aspects of the constitution of display devices
    • G09G2300/04—Structural and physical details of display devices
    • G09G2300/0469—Details of the physics of pixel operation
    • G09G2300/0478—Details of the physics of pixel operation related to liquid crystal pixels
    • G09G2300/0491—Use of a bi-refringent liquid crystal, optically controlled bi-refringence [OCB] with bend and splay states, or electrically controlled bi-refringence [ECB] for controlling the color
    • 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
    • G09G2310/06—Details of flat display driving waveforms
    • 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
    • G09G2310/06—Details of flat display driving waveforms
    • G09G2310/061—Details of flat display driving waveforms for resetting or blanking
    • G09G2310/063—Waveforms for resetting the whole screen at once
    • 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
    • G09G2320/0626—Adjustment of display parameters for control of overall brightness
    • G09G2320/0646—Modulation of illumination source brightness and image signal correlated to each other
    • 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

Description

1307490 ―’ ‘作㈣最大値時，不超過相對於上述灰階顯示用像素電 . 壓的保持期間和上述非灰階顯示用像素電壓的保持期間 •之。4期間之上述灰階顯示用像素電壓的保持期間之比 . 率地對應來自外部的調光訊號而決定。 6. -種液晶顯示裝置’其特徵為具備：顯示面板，其係多 個液晶像素呈略矩陣狀配置者；時序控制電路，其係產 生灰階顯示開始訊號以及非灰階顯示開始訊號者；面板 • 驅動部’其係根據上述灰階顯示開始訊號之控制，每次 -列地依序驅動上述多個液晶像素，令驅動列的液晶像 素保持灰階顯示用像素電壓，並根據上述非灰階顯示開 始訊號之控制，最少每次一列地依序驅動上述多個液晶 像素，令驅動列的液晶像素保持非灰階顯示用像素電: 者；光源驅動部，其係驅動與上述多個液晶像素之列呈 略平行排列的多個背光光源者；其中上述光源㈣部係 構成為令上述多個背光光源依預定工作比依序明滅之動 I 作，與上述灰階顯示開始訊號同步開始者；上述預定工 作比係最大値時，不超過相對於上述灰階顯示用像素電 壓的保持期間和上述非灰階顯示用像素電壓的保持期間 之合計期間之上述灰階顯示用像素電壓的保持期間之比 率地對應來自外部的調光訊號所決定者。 7， 一種液晶顯示裝置，其係具備：顯示面板，其係多個液 晶像素呈略矩陣狀配置、依照預定時序逐列依序驅動上 述多個液晶像素，對液晶像素寫入灰階顯示用像素電 壓，保持灰階顯示電壓，並以由上述預定時序偏移之時 I04952-980403.doc 1307490 序’依序驅動上述多彻 階顯-田 液晶像素’對液晶像辛耷A非t =用像素電塵，保持非灰階顯示用像=入:灰 上述動作以進行顯示者.丄 用像素電壓，重複 行照明，明減的工作比纟 I對上述顯示面板進 化者，·其中上述央， 根據來自外部的調光訊號變 灰階顯示用像，外…的調光訊號係對應相對於上述 脉沾 '、翌的保持期間和非灰階顯示用傻音當 壓的保持期間之h十如丨 白』不用像素電 持期間之比率而° θΐ的上迷灰階顯示用像素電壓保 動。 ¥而被變換’上述光源根據變換結果而被驅 104952-980403.doc
TW094131916A 2004-09-15 2005-09-15 Display control circuit, display control method, and liquid crystal display device TWI307490B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004268633A JP2006084710A (ja) 2004-09-15 2004-09-15 表示制御回路、表示制御方法、および液晶表示装置

Publications (2)

Publication Number Publication Date
TW200629208A TW200629208A (en) 2006-08-16
TWI307490B true TWI307490B (en) 2009-03-11

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TW094131916A TWI307490B (en) 2004-09-15 2005-09-15 Display control circuit, display control method, and liquid crystal display device

Country Status (4)

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US (1) US7864155B2 (zh)
JP (1) JP2006084710A (zh)
KR (1) KR100785553B1 (zh)
TW (1) TWI307490B (zh)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005017566A (ja) * 2003-06-25 2005-01-20 Sanyo Electric Co Ltd 表示装置およびその制御方法
KR20060112155A (ko) * 2005-04-26 2006-10-31 삼성전자주식회사 표시 패널과, 이를 구비한 표시 장치 및 이의 구동 방법
JP2006349931A (ja) * 2005-06-15 2006-12-28 Toshiba Matsushita Display Technology Co Ltd 液晶表示装置
JP2007249011A (ja) * 2006-03-17 2007-09-27 Ricoh Co Ltd 画像表示装置および投射型画像表示装置
EP2016074B1 (en) 2006-04-20 2016-01-13 Janssen Pharmaceutica N.V. Inhibitors of c-fms kinase
JP5132566B2 (ja) * 2006-09-28 2013-01-30 シャープ株式会社 液晶表示装置およびテレビジョン受信機
JP5288579B2 (ja) * 2006-12-13 2013-09-11 ルネサスエレクトロニクス株式会社 表示装置及び、コントローラドライバ
US20080143899A1 (en) * 2006-12-13 2008-06-19 Toshiba Matsushita Display Technology Co., Ltd Liquid crystal display device
KR101374763B1 (ko) 2007-03-14 2014-03-18 삼성디스플레이 주식회사 표시 장치 및 그것의 구동 방법
WO2008117623A1 (ja) * 2007-03-28 2008-10-02 Sharp Kabushiki Kaisha 液晶表示装置およびその駆動方法
TWI373023B (en) * 2007-05-31 2012-09-21 Chunghwa Picture Tubes Ltd Driving apparatus and metheod thereof for display
US8305335B2 (en) * 2007-06-05 2012-11-06 Sharp Kabushiki Kaisha Backlight lamp lighting control device and display device including same
JP5121334B2 (ja) * 2007-07-06 2013-01-16 株式会社ジャパンディスプレイセントラル 液晶表示装置および液晶表示装置の駆動方法
JP2009037213A (ja) * 2007-07-06 2009-02-19 Toshiba Matsushita Display Technology Co Ltd 液晶表示装置
FR2921776A1 (fr) * 2007-09-28 2009-04-03 Thales Sa Dispositif de mesure du taux de charge en emission d'un terminal de radiocommunications.
JP5344846B2 (ja) * 2008-03-31 2013-11-20 ゴールドチャームリミテッド 表示パネルの制御装置、液晶表示装置、電子機器、及び表示パネルの駆動制御方法
WO2009157224A1 (ja) * 2008-06-27 2009-12-30 シャープ株式会社 液晶表示装置の制御装置、液晶表示装置、液晶表示装置の制御方法、プログラムおよび記録媒体
RU2472234C2 (ru) 2008-06-27 2013-01-10 Шарп Кабушики Каиша Устройство управления жидкокристаллическим дисплеем, жидкокристаллический дисплей, способ управления жидкокристаллическим дисплеем, программа и носитель данных для программы
TWI401642B (zh) * 2008-08-01 2013-07-11 Multicolor liquid crystal display device and method
TWI409779B (zh) * 2009-01-15 2013-09-21 Chunghwa Picture Tubes Ltd 用於插黑技術之液晶顯示器之源極驅動器及其方法
CN101833926A (zh) * 2009-03-13 2010-09-15 群康科技(深圳)有限公司 背光调整系统及方法
TWI410915B (zh) * 2009-03-27 2013-10-01 Innolux Corp 背光調整系統及方法
JP5100719B2 (ja) * 2009-08-07 2012-12-19 シャープ株式会社 照明装置
JP6115751B2 (ja) * 2012-11-07 2017-04-19 Ｎｌｔテクノロジー株式会社 発光素子駆動回路及び表示装置
KR102023930B1 (ko) 2012-12-04 2019-09-23 엘지디스플레이 주식회사 액정 표시장치 및 그 구동방법
TWI581245B (zh) * 2016-07-06 2017-05-01 奇景光電股份有限公司 液晶顯示器的極性反轉驅動方法及源極驅動器
CN106981272B (zh) * 2017-05-26 2019-08-23 京东方科技集团股份有限公司 显示面板的背光驱动方法、装置和显示面板
KR102507208B1 (ko) * 2018-01-10 2023-03-07 삼성디스플레이 주식회사 유기 발광 표시 장치 및 그 구동방법
CN109903677B (zh) * 2019-02-25 2021-04-27 京东方科技集团股份有限公司 一种显示组件
CN111490666B (zh) * 2020-02-17 2021-03-26 杨斌 一种pwm调制方法、模块及pwm控制系统

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3229250B2 (ja) 1997-09-12 2001-11-19 インターナショナル・ビジネス・マシーンズ・コーポレーション 液晶表示装置における画像表示方法及び液晶表示装置
JP3688574B2 (ja) * 1999-10-08 2005-08-31 シャープ株式会社 液晶表示装置および光源装置
JP2002202491A (ja) 2000-10-25 2002-07-19 Matsushita Electric Ind Co Ltd 液晶表示装置の駆動方法および液晶表示装置
JP4068317B2 (ja) * 2001-07-27 2008-03-26 Ｎｅｃディスプレイソリューションズ株式会社 液晶表示装置
KR100767370B1 (ko) * 2001-08-24 2007-10-17 삼성전자주식회사 액정 표시 장치와 이의 구동 방법
JP2003280600A (ja) * 2002-03-20 2003-10-02 Hitachi Ltd 表示装置およびその駆動方法
JP3653506B2 (ja) * 2002-03-20 2005-05-25 株式会社日立製作所 表示装置及びその駆動方法
JP4028744B2 (ja) * 2002-03-29 2007-12-26 東芝松下ディスプレイテクノロジー株式会社 液晶表示装置
CN100504528C (zh) * 2002-09-04 2009-06-24 三星电子株式会社 液晶显示器的反相器
JP4167474B2 (ja) * 2002-11-07 2008-10-15 シャープ株式会社 液晶表示装置
US6943767B2 (en) * 2002-12-12 2005-09-13 International Business Machines Corporation Image display device and method of supplying writing electric potential to an image display device
US7007261B1 (en) * 2003-03-14 2006-02-28 Xilinx, Inc. Translation of an electronic integrated circuit design into hardware description language using circuit description template
KR100953429B1 (ko) * 2003-08-11 2010-04-20 삼성전자주식회사 램프 구동 방법 및 그 장치와, 이를 갖는 백라이트어셈블리 및 액정 표시 장치
JPWO2006059695A1 (ja) * 2004-12-02 2008-06-05 東芝松下ディスプレイテクノロジー株式会社 液晶表示装置および表示制御方法
KR100751461B1 (ko) * 2006-08-02 2007-08-23 경북대학교 산학협력단 백라이트 밝기 조정을 통해 전력 소모를 감소시킨 액정표시 장치 및 그 방법

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Publication number Publication date
JP2006084710A (ja) 2006-03-30
US20060055661A1 (en) 2006-03-16
TW200629208A (en) 2006-08-16
KR100785553B1 (ko) 2007-12-12
US7864155B2 (en) 2011-01-04
KR20060051289A (ko) 2006-05-19

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