WO2003075257A1 - Dispositif d'affichage - Google Patents

Dispositif d'affichage Download PDF

Info

Publication number
WO2003075257A1
WO2003075257A1 PCT/JP2002/013730 JP0213730W WO03075257A1 WO 2003075257 A1 WO2003075257 A1 WO 2003075257A1 JP 0213730 W JP0213730 W JP 0213730W WO 03075257 A1 WO03075257 A1 WO 03075257A1
Authority
WO
WIPO (PCT)
Prior art keywords
circuit
outputting
optical output
gain
signal
Prior art date
Application number
PCT/JP2002/013730
Other languages
English (en)
French (fr)
Inventor
Takashi Sasaki
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 KR1020047013934A priority Critical patent/KR100643035B1/ko
Priority to US10/505,549 priority patent/US7136044B2/en
Priority to JP2003573632A priority patent/JP4024761B2/ja
Priority to AU2002362202A priority patent/AU2002362202A1/en
Priority to EP02792040A priority patent/EP1482475B1/en
Publication of WO2003075257A1 publication Critical patent/WO2003075257A1/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
    • G09G3/3406—Control of illumination source
    • 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
    • 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
    • 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
    • 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
    • G09G2320/0633—Adjustment of display parameters for control of overall brightness by amplitude modulation of the brightness of the illumination source
    • 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
    • G09G2320/00—Control of display operating conditions
    • G09G2320/06—Adjustment of display parameters
    • G09G2320/066—Adjustment of display parameters for control of contrast
    • 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
    • G09G2330/021—Power management, e.g. power saving
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2360/00—Aspects of the architecture of display systems
    • G09G2360/16—Calculation or use of calculated indices related to luminance levels in display data
    • 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
    • G09G3/2007—Display of intermediate tones
    • G09G3/2011—Display of intermediate tones by amplitude modulation
    • 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
    • G09G3/2007—Display of intermediate tones
    • G09G3/2077—Display of intermediate tones by a combination of two or more gradation control methods

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Optics & Photonics (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Liquid Crystal Display Device Control (AREA)
PCT/JP2002/013730 2002-03-07 2002-12-26 Dispositif d'affichage WO2003075257A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
KR1020047013934A KR100643035B1 (ko) 2002-03-07 2002-12-26 표시 장치
US10/505,549 US7136044B2 (en) 2002-03-07 2002-12-26 Display apparatus
JP2003573632A JP4024761B2 (ja) 2002-03-07 2002-12-26 表示装置
AU2002362202A AU2002362202A1 (en) 2002-03-07 2002-12-26 Display apparatus
EP02792040A EP1482475B1 (en) 2002-03-07 2002-12-26 Display apparatus

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2002/62729 2002-03-07
JP2002062729 2002-03-07

Publications (1)

Publication Number Publication Date
WO2003075257A1 true WO2003075257A1 (fr) 2003-09-12

Family

ID=27784905

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2002/013730 WO2003075257A1 (fr) 2002-03-07 2002-12-26 Dispositif d'affichage

Country Status (7)

Country Link
US (1) US7136044B2 (ja)
EP (1) EP1482475B1 (ja)
JP (1) JP4024761B2 (ja)
KR (1) KR100643035B1 (ja)
CN (1) CN100358001C (ja)
AU (1) AU2002362202A1 (ja)
WO (1) WO2003075257A1 (ja)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005107211A (ja) * 2003-09-30 2005-04-21 Olympus Corp 画像投影装置
JP2005159595A (ja) * 2003-11-25 2005-06-16 Sanyo Electric Co Ltd 投射型映像表示装置
EP1600934A2 (en) * 2004-05-25 2005-11-30 Sharp Kabushiki Kaisha Display device and driving method thereof
JP2009244308A (ja) * 2008-03-28 2009-10-22 Toshiba Corp 画像表示装置および画像表示方法
WO2009136632A1 (ja) * 2008-05-08 2009-11-12 ソニー株式会社 表示制御装置および方法、並びにプログラム
JP2010204520A (ja) * 2009-03-05 2010-09-16 Seiko Epson Corp 表示装置、プログラムおよび情報記憶媒体
JP2012073631A (ja) * 2011-11-18 2012-04-12 Sony Corp 表示装置及びその駆動方法
US8780145B2 (en) 2008-12-26 2014-07-15 Nec Display Solutions, Ltd. Image display apparatus, picture signal processing method, and program

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3909595B2 (ja) * 2003-04-23 2007-04-25 セイコーエプソン株式会社 表示装置、及びその調光方法
JP4927311B2 (ja) * 2003-08-27 2012-05-09 株式会社日立製作所 映像表示装置、それに用いる表示部駆動回路及び映像表示方法
TWI225235B (en) * 2003-11-05 2004-12-11 Hannstar Display Corp Method for dynamically controlling driving current of backlight module
US7477228B2 (en) * 2003-12-22 2009-01-13 Intel Corporation Method and apparatus for characterizing and/or predicting display backlight response latency
TWI257512B (en) * 2004-04-06 2006-07-01 Au Optronics Corp Device and method for adjusting backlight brightness
KR100640063B1 (ko) * 2005-02-18 2006-10-31 삼성전자주식회사 외부조도를 고려한 영상향상방법 및 장치
WO2006111797A1 (en) * 2005-04-20 2006-10-26 Freescale Semiconductor, Inc. Device and method for controlling a backlit display
WO2006135359A1 (en) * 2005-06-08 2006-12-21 Thomson Licensing Apparatus and method for image processing in spatial light modulated display systems
JP4432933B2 (ja) * 2005-07-08 2010-03-17 セイコーエプソン株式会社 画像表示装置および画像表示方法
JP2007036729A (ja) * 2005-07-27 2007-02-08 Toshiba Corp 映像表示処理装置とそのバックライト制御方法
JP4687526B2 (ja) 2005-07-27 2011-05-25 セイコーエプソン株式会社 動画像表示装置および動画像表示方法
EP1964097A1 (en) * 2005-12-23 2008-09-03 TTE Technology, Inc. Contrast ratio enhancement system using linearized illumination control
CN101022003A (zh) * 2006-02-13 2007-08-22 启萌科技有限公司 液晶显示装置的影像显示驱动方法
US7592996B2 (en) * 2006-06-02 2009-09-22 Samsung Electronics Co., Ltd. Multiprimary color display with dynamic gamut mapping
KR100810506B1 (ko) * 2006-10-17 2008-03-07 삼성전자주식회사 디스플레이장치
JP2008102287A (ja) * 2006-10-18 2008-05-01 Toshiba Corp 光源制御装置および光源制御方法
JP5337991B2 (ja) * 2006-12-20 2013-11-06 ティーピー ビジョン ホールディング ビー ヴィ システム、方法、コンピュータ読み取り可能な媒体及びプログラム
KR100809073B1 (ko) * 2007-02-01 2008-03-07 삼성전자주식회사 디스플레이 장치의 백라이트 밝기를 제어할 수 있는 방법및 장치
KR100885285B1 (ko) * 2007-05-08 2009-02-23 닛뽕빅터 가부시키가이샤 액정 표시 장치 및 이에 이용되는 영상 표시 방법
US8139022B2 (en) 2007-05-08 2012-03-20 Victor Company Of Japan, Limited Liquid crystal display device and image display method thereof
CN101373045B (zh) * 2007-08-23 2011-07-27 鸿富锦精密工业（深圳）有限公司 场景扩展装置及显示装置
JP2009086133A (ja) * 2007-09-28 2009-04-23 Sharp Corp 映像表示装置
EP2051235A3 (en) * 2007-10-19 2011-04-06 Samsung Electronics Co., Ltd. Adaptive backlight control dampening to reduce flicker
US8487950B2 (en) * 2007-10-26 2013-07-16 Taiyo Yuden Co. Ltd. Video display apparatus and method, and signal processing circuit and liquid crystal backlight driver to be built therein
JP5091955B2 (ja) * 2008-01-30 2012-12-05 シャープ株式会社 映像表示装置
JP4968219B2 (ja) 2008-09-18 2012-07-04 株式会社Ｊｖｃケンウッド 液晶表示装置及びこれに用いる映像表示方法
EP2166531A3 (en) * 2008-09-23 2011-03-09 Sharp Kabushiki Kaisha Backlight luminance control apparatus and video display apparatus
US8184089B2 (en) * 2009-07-29 2012-05-22 Samsung Electronics Co., Ltd. Backlight level selection for display devices
KR101329966B1 (ko) * 2009-09-22 2013-11-20 엘지디스플레이 주식회사 유기 발광 다이오드 표시 장치의 휘도 제어 장치 및 방법
KR101341016B1 (ko) * 2009-12-11 2014-01-07 엘지디스플레이 주식회사 액정 표시 장치의 로컬 디밍 구동 방법 및 장치
CN102783132B (zh) * 2010-03-03 2016-08-03 皇家飞利浦电子股份有限公司 用于定义颜色状态的装置和方法
EP2617195B1 (en) 2010-09-16 2019-03-13 Koninklijke Philips N.V. Apparatuses and methods for improved encoding of images
CN102622990B (zh) * 2012-04-17 2016-04-13 青岛海信电器股份有限公司 液晶屏背光控制装置、电视机和液晶屏背光控制方法
CN105788562B (zh) * 2014-12-24 2018-05-08 Tcl集团股份有限公司 一种显示装置的亮度控制方法及系统
CN105185327B (zh) * 2015-09-01 2018-02-06 青岛海信电器股份有限公司 液晶显示亮度控制方法和装置以及液晶显示设备
US10937358B2 (en) * 2019-06-28 2021-03-02 Intel Corporation Systems and methods of reducing display power consumption with minimal effect on image quality

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0566501A (ja) * 1991-09-09 1993-03-19 Toshiba Corp 投射型液晶表示装置
JPH06160811A (ja) * 1992-11-26 1994-06-07 Sanyo Electric Co Ltd 液晶プロジェクタ
JPH09244548A (ja) * 1996-03-05 1997-09-19 Canon Inc 表示装置
JPH11109317A (ja) * 1997-09-30 1999-04-23 Sony Corp 液晶表示装置
WO2000068926A1 (fr) * 1999-05-10 2000-11-16 Matsushita Electric Industrial Co., Ltd. Dispositif et procede d'affichage d'image
JP2002156951A (ja) * 2000-08-14 2002-05-31 Canon Inc 表示装置
JP2002258401A (ja) * 2001-03-02 2002-09-11 Mitsubishi Electric Corp 投射型液晶表示装置

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JPH06102484A (ja) 1992-09-18 1994-04-15 Matsushita Electric Ind Co Ltd 空間光変調素子を用いた映像表示方法及び映像表示装置
US5717422A (en) 1994-01-25 1998-02-10 Fergason; James L. Variable intensity high contrast passive display
JP3764504B2 (ja) * 1995-02-28 2006-04-12 ソニー株式会社 液晶表示装置
JPH1165528A (ja) 1997-08-12 1999-03-09 Toshiba Corp 表示装置および表示方法

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0566501A (ja) * 1991-09-09 1993-03-19 Toshiba Corp 投射型液晶表示装置
JPH06160811A (ja) * 1992-11-26 1994-06-07 Sanyo Electric Co Ltd 液晶プロジェクタ
JPH09244548A (ja) * 1996-03-05 1997-09-19 Canon Inc 表示装置
JPH11109317A (ja) * 1997-09-30 1999-04-23 Sony Corp 液晶表示装置
WO2000068926A1 (fr) * 1999-05-10 2000-11-16 Matsushita Electric Industrial Co., Ltd. Dispositif et procede d'affichage d'image
JP2002156951A (ja) * 2000-08-14 2002-05-31 Canon Inc 表示装置
JP2002258401A (ja) * 2001-03-02 2002-09-11 Mitsubishi Electric Corp 投射型液晶表示装置

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Title
See also references of EP1482475A4 *

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005107211A (ja) * 2003-09-30 2005-04-21 Olympus Corp 画像投影装置
JP2005159595A (ja) * 2003-11-25 2005-06-16 Sanyo Electric Co Ltd 投射型映像表示装置
JP4530650B2 (ja) * 2003-11-25 2010-08-25 三洋電機株式会社 投射型映像表示装置
EP1600934A2 (en) * 2004-05-25 2005-11-30 Sharp Kabushiki Kaisha Display device and driving method thereof
JP2009244308A (ja) * 2008-03-28 2009-10-22 Toshiba Corp 画像表示装置および画像表示方法
US8760384B2 (en) 2008-03-28 2014-06-24 Kabushiki Kaisha Toshiba Image display apparatus and image display method
WO2009136632A1 (ja) * 2008-05-08 2009-11-12 ソニー株式会社 表示制御装置および方法、並びにプログラム
JP2009271349A (ja) * 2008-05-08 2009-11-19 Sony Corp 表示制御装置および方法、並びにプログラム
US8248361B2 (en) 2008-05-08 2012-08-21 Sony Corporation Display control apparatus and method, and program
US8780145B2 (en) 2008-12-26 2014-07-15 Nec Display Solutions, Ltd. Image display apparatus, picture signal processing method, and program
JP2010204520A (ja) * 2009-03-05 2010-09-16 Seiko Epson Corp 表示装置、プログラムおよび情報記憶媒体
JP2012073631A (ja) * 2011-11-18 2012-04-12 Sony Corp 表示装置及びその駆動方法

Also Published As

Publication number Publication date
CN100358001C (zh) 2007-12-26
US20050104838A1 (en) 2005-05-19
JP4024761B2 (ja) 2007-12-19
US7136044B2 (en) 2006-11-14
KR100643035B1 (ko) 2006-11-10
KR20040105755A (ko) 2004-12-16
EP1482475A1 (en) 2004-12-01
EP1482475B1 (en) 2011-12-21
JPWO2003075257A1 (ja) 2005-06-30
CN1625763A (zh) 2005-06-08
AU2002362202A1 (en) 2003-09-16
EP1482475A4 (en) 2006-08-30

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