JP3964431B2 - バックライト調節及び映像信号の適応変換による消費電力減少装置及びその方法 - Google Patents

バックライト調節及び映像信号の適応変換による消費電力減少装置及びその方法 Download PDF

Info

Publication number
JP3964431B2
JP3964431B2 JP2004500112A JP2004500112A JP3964431B2 JP 3964431 B2 JP3964431 B2 JP 3964431B2 JP 2004500112 A JP2004500112 A JP 2004500112A JP 2004500112 A JP2004500112 A JP 2004500112A JP 3964431 B2 JP3964431 B2 JP 3964431B2
Authority
JP
Japan
Prior art keywords
video signal
lcd
intensity information
user terminal
backlight
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.)
Expired - Fee Related
Application number
JP2004500112A
Other languages
English (en)
Japanese (ja)
Other versions
JP2005524101A (ja
Inventor
チャン、ネー、ヒュック
キム、ジェー、ジュン
ナム、ジェ、ホ
ホン、ジン、ウ
キム、ジン、ウン
チョウ、ナム、イク
キム、ヒョン、ジュン
キム、マン、ベ
キム、リン、チョル
キム、ヘ、クァン
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.)
Electronics and Telecommunications Research Institute ETRI
Original Assignee
Electronics and Telecommunications Research Institute ETRI
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 Electronics and Telecommunications Research Institute ETRI filed Critical Electronics and Telecommunications Research Institute ETRI
Publication of JP2005524101A publication Critical patent/JP2005524101A/ja
Application granted granted Critical
Publication of JP3964431B2 publication Critical patent/JP3964431B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Classifications

    • 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
    • G09G3/3406—Control of 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
    • G09G2320/0606—Manual adjustment
    • 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
    • G09G2320/0646—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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mathematical Physics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Liquid Crystal (AREA)
JP2004500112A 2002-04-26 2003-04-25 バックライト調節及び映像信号の適応変換による消費電力減少装置及びその方法 Expired - Fee Related JP3964431B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR20020023151 2002-04-26
PCT/KR2003/000849 WO2003091791A1 (en) 2002-04-26 2003-04-25 Apparatus and method for reducing power consumption by adjusting backlight and adapting visual signal

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2006344949A Division JP2007171972A (ja) 2002-04-26 2006-12-21 バックライト調節及び映像信号の適応変換による消費電力減少装置及びその方法

Publications (2)

Publication Number Publication Date
JP2005524101A JP2005524101A (ja) 2005-08-11
JP3964431B2 true JP3964431B2 (ja) 2007-08-22

Family

ID=36125054

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2004500112A Expired - Fee Related JP3964431B2 (ja) 2002-04-26 2003-04-25 バックライト調節及び映像信号の適応変換による消費電力減少装置及びその方法
JP2006344949A Pending JP2007171972A (ja) 2002-04-26 2006-12-21 バックライト調節及び映像信号の適応変換による消費電力減少装置及びその方法

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2006344949A Pending JP2007171972A (ja) 2002-04-26 2006-12-21 バックライト調節及び映像信号の適応変換による消費電力減少装置及びその方法

Country Status (7)

Country Link
US (1) US20060071899A1 (enExample)
EP (1) EP1499918A4 (enExample)
JP (2) JP3964431B2 (enExample)
KR (1) KR20050023232A (enExample)
CN (2) CN101661710A (enExample)
AU (1) AU2003222505A1 (enExample)
WO (1) WO2003091791A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007171972A (ja) * 2002-04-26 2007-07-05 Electronics & Communications Research Inst バックライト調節及び映像信号の適応変換による消費電力減少装置及びその方法

Families Citing this family (54)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8151259B2 (en) * 2006-01-03 2012-04-03 Apple Inc. Remote content updates for portable media devices
CA2499360A1 (en) * 2002-09-19 2004-04-01 Applera Corporation Methods and compositions for detecting targets
US7831199B2 (en) * 2006-01-03 2010-11-09 Apple Inc. Media data exchange, transfer or delivery for portable electronic devices
US7724716B2 (en) 2006-06-20 2010-05-25 Apple Inc. Wireless communication system
US7583260B2 (en) * 2003-07-16 2009-09-01 Honeywood Technologies, Llc Color preservation for spatially varying power conservation
US7663597B2 (en) * 2003-07-16 2010-02-16 Honeywood Technologies, Llc LCD plateau power conservation
US7786988B2 (en) * 2003-07-16 2010-08-31 Honeywood Technologies, Llc Window information preservation for spatially varying power conservation
US7714831B2 (en) * 2003-07-16 2010-05-11 Honeywood Technologies, Llc Background plateau manipulation for display device power conservation
US7580033B2 (en) * 2003-07-16 2009-08-25 Honeywood Technologies, Llc Spatial-based power savings
US7602388B2 (en) 2003-07-16 2009-10-13 Honeywood Technologies, Llc Edge preservation for spatially varying power conservation
US20050057484A1 (en) * 2003-09-15 2005-03-17 Diefenbaugh Paul S. Automatic image luminance control with backlight adjustment
US20050057485A1 (en) * 2003-09-15 2005-03-17 Diefenbaugh Paul S. Image color transformation to compensate for register saturation
US20050062713A1 (en) * 2003-09-18 2005-03-24 Hochao Huang Power-saving method for video-broadcasting system in liquid crystal display (LCD) equipment
KR100570966B1 (ko) * 2003-11-17 2006-04-14 엘지.필립스 엘시디 주식회사 액정표시장치의 구동방법 및 구동장치
KR100580552B1 (ko) * 2003-11-17 2006-05-16 엘지.필립스 엘시디 주식회사 액정표시장치의 구동방법 및 구동장치
KR101058125B1 (ko) * 2004-02-23 2011-08-24 삼성전자주식회사 화상 표시 방법 및 표시 장치와, 이의 구동 장치 및 방법
US7502010B2 (en) * 2004-08-31 2009-03-10 Nvidia Corporation Variable brightness LCD backlight
CN100524431C (zh) * 2004-08-31 2009-08-05 辉达公司 用于在液晶显示器上显示可视图像的方法和系统
JP4583864B2 (ja) * 2004-10-07 2010-11-17 シャープ株式会社 画像表示装置および携帯型端末装置
US7706637B2 (en) * 2004-10-25 2010-04-27 Apple Inc. Host configured for interoperation with coupled portable media player device
US7536565B2 (en) 2005-01-07 2009-05-19 Apple Inc. Techniques for improved playlist processing on media devices
JP2006208595A (ja) * 2005-01-26 2006-08-10 Brother Ind Ltd 液晶表示装置、及び電子装置
JP4904783B2 (ja) * 2005-03-24 2012-03-28 ソニー株式会社 表示装置及び表示方法
US7602408B2 (en) 2005-05-04 2009-10-13 Honeywood Technologies, Llc Luminance suppression power conservation
US7760210B2 (en) 2005-05-04 2010-07-20 Honeywood Technologies, Llc White-based power savings
CN100359932C (zh) * 2005-05-30 2008-01-02 海信集团有限公司 液晶电视机的自适应亮度调整方法
US8300841B2 (en) 2005-06-03 2012-10-30 Apple Inc. Techniques for presenting sound effects on a portable media player
US7930369B2 (en) 2005-10-19 2011-04-19 Apple Inc. Remotely configured media device
US8654993B2 (en) * 2005-12-07 2014-02-18 Apple Inc. Portable audio device providing automated control of audio volume parameters for hearing protection
US8255640B2 (en) * 2006-01-03 2012-08-28 Apple Inc. Media device with intelligent cache utilization
US20070166683A1 (en) * 2006-01-05 2007-07-19 Apple Computer, Inc. Dynamic lyrics display for portable media devices
US7848527B2 (en) 2006-02-27 2010-12-07 Apple Inc. Dynamic power management in a portable media delivery system
CN100418133C (zh) * 2006-03-31 2008-09-10 深圳创维一Rgb电子有限公司 Lcd电视显示质量的自适应调节装置及方法
US8358273B2 (en) * 2006-05-23 2013-01-22 Apple Inc. Portable media device with power-managed display
RU2450476C2 (ru) 2006-05-24 2012-05-10 Конинклейке Филипс Электроникс Н.В. Устройство и способ определения оптимальной задней подсветки
KR101272258B1 (ko) * 2006-07-04 2013-06-13 삼성전자주식회사 영상 보상 장치 및 방법
US7729791B2 (en) 2006-09-11 2010-06-01 Apple Inc. Portable media playback device including user interface event passthrough to non-media-playback processing
US8090130B2 (en) 2006-09-11 2012-01-03 Apple Inc. Highly portable media devices
US8341524B2 (en) * 2006-09-11 2012-12-25 Apple Inc. Portable electronic device with local search capabilities
JP2008099041A (ja) * 2006-10-13 2008-04-24 Degital Sky Kk 情報表示端末を用いた情報配信システム
KR100791387B1 (ko) 2006-10-25 2008-01-07 삼성전자주식회사 영상 처리 방법 및 장치
JP2008158224A (ja) * 2006-12-22 2008-07-10 Toshiba Corp 液晶表示装置および液晶表示制御方法
US7589629B2 (en) * 2007-02-28 2009-09-15 Apple Inc. Event recorder for portable media device
CN101324722B (zh) * 2007-06-13 2010-11-03 深圳Tcl新技术有限公司 一种液晶显示器背光亮度和对比度调整的方法
US20090066630A1 (en) * 2007-09-11 2009-03-12 Mediatek Inc. Image compensation methods and image display systems
CN101868817B (zh) * 2007-11-20 2015-01-07 皇家飞利浦电子股份有限公司 节省功率的透射型显示器
KR101078641B1 (ko) * 2008-07-14 2011-11-01 명지대학교 산학협력단 감각 재생 장치에 관계된 메타데이터를 이용한 멀티미디어 응용 시스템 및 방법
US9230484B2 (en) * 2008-09-03 2016-01-05 Ati Technologies Ulc Adaptive backlight control and contrast enhancement
CN101882425B (zh) * 2010-06-30 2013-05-08 深圳创维－Rgb电子有限公司 一种调整显示画面的画质的方法、系统及液晶显示设备
TWI545964B (zh) * 2012-09-14 2016-08-11 鴻海精密工業股份有限公司 影像白平衡方法及攝像裝置
US20160225122A1 (en) * 2013-12-02 2016-08-04 Joshua Boelter Optimizing the visual quality of media content based on user perception of the media content
KR20160117825A (ko) 2015-03-31 2016-10-11 삼성디스플레이 주식회사 표시 장치 및 이의 구동 방법
CN109166533A (zh) * 2018-09-29 2019-01-08 重庆石墨烯研究院有限公司 一种根据图像亮度值调整显示背光的方法
CN113168038B (zh) * 2019-03-28 2023-03-28 华为技术有限公司 一种显示图像的方法、装置

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05292433A (ja) * 1992-04-10 1993-11-05 Fujitsu General Ltd 液晶表示装置の駆動方法
US6075513A (en) * 1994-03-17 2000-06-13 Cirrus Logic, Inc. Method and apparatus for automatically maintaining a predetermined image quality in a display system
JPH07281636A (ja) * 1994-04-07 1995-10-27 Asahi Glass Co Ltd 液晶表示装置に用いられる駆動装置ならびに列電極駆動用半導体集積回路および行電極駆動用半導体集積回路
DE69740083D1 (de) * 1997-06-05 2011-02-03 Thomson Multimedia Sa Flüssigkristallanzeige für Direktbetrachtung mit automatischer Farbeinstellung
FR2767012B1 (fr) * 1997-08-04 1999-10-15 Alsthom Cge Alcatel Procede d'affichage graphique par un terminal mobile de radio-communication pilote par un module d'identification d'abonne, module d'identification d'abonne et terminal mobile correspondants
JPH11231840A (ja) * 1998-02-12 1999-08-27 Sony Corp 液晶表示装置
TWI285871B (en) * 1999-05-10 2007-08-21 Matsushita Electric Industrial Co Ltd Image display device and method for displaying image
US6690344B1 (en) * 1999-05-14 2004-02-10 Ngk Insulators, Ltd. Method and apparatus for driving device and display
US6593943B1 (en) * 1999-11-30 2003-07-15 International Business Machines Corp. Information grouping configuration for use with diverse display devices
US7119786B2 (en) * 2001-06-28 2006-10-10 Intel Corporation Method and apparatus for enabling power management of a flat panel display
US6697757B2 (en) * 2001-09-19 2004-02-24 Leviton Manufacturing Co., Ltd. Local network based multiple sensor device with electrical load control means and with temperature sensor and heat detector that is exposed to ambient air by diffusion
JP4016676B2 (ja) * 2002-03-08 2007-12-05 セイコーエプソン株式会社 プロジェクタ
WO2003091791A1 (en) * 2002-04-26 2003-11-06 Electronics And Telecommunications Research Institute Apparatus and method for reducing power consumption by adjusting backlight and adapting visual signal
CN1277180C (zh) * 2002-04-26 2006-09-27 韩国电子通信研究院 用于适应音频信号的装置和方法
CN1323374C (zh) * 2002-04-26 2007-06-27 韩国电子通信研究院 根据终端用户的色觉特征自适应变换可视内容的方法和系统
US7574653B2 (en) * 2002-10-11 2009-08-11 Microsoft Corporation Adaptive image formatting control

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007171972A (ja) * 2002-04-26 2007-07-05 Electronics & Communications Research Inst バックライト調節及び映像信号の適応変換による消費電力減少装置及びその方法

Also Published As

Publication number Publication date
CN1650220B (zh) 2010-06-09
WO2003091791A1 (en) 2003-11-06
CN1650220A (zh) 2005-08-03
KR20050023232A (ko) 2005-03-09
CN101661710A (zh) 2010-03-03
US20060071899A1 (en) 2006-04-06
JP2007171972A (ja) 2007-07-05
EP1499918A4 (en) 2007-12-26
AU2003222505A1 (en) 2003-11-10
JP2005524101A (ja) 2005-08-11
EP1499918A1 (en) 2005-01-26

Similar Documents

Publication Publication Date Title
JP3964431B2 (ja) バックライト調節及び映像信号の適応変換による消費電力減少装置及びその方法
JP4166812B2 (ja) 映像表示装置周辺の照明特性データ生成方法
JP6869969B2 (ja) イメージングデバイスおよびイメージングデバイスのディスプレイパネルの正面に光を生成するための方法
KR100957942B1 (ko) 컬러 매니지먼트를 제공하는 시스템 및 방법, 컴퓨터 판독가능 매체 및 컴퓨팅 장치
CN105917646B (zh) 发送装置、发送方法、接收装置和接收方法
US20080170031A1 (en) Method for performing chromatic adaptation while displaying image, and corresponding display circuit and device
WO2011013466A1 (ja) 表示装置、表示システム、表示方法およびプログラム
US6441870B1 (en) Automatic gamma correction for multiple video sources
US10506199B2 (en) Format conversion circuit applied to set-top box and associated method
JP2008299320A (ja) 電子装置、最適化方法、及び最適化システム
CN101075427B (zh) 图像校正电路、图像校正方法以及图像显示器
US20080266235A1 (en) Methods and systems for adjusting backlight luminance
JP2015520406A (ja) Ｓｅｉ情報を用いたディスプレイ電力低減
US10043458B2 (en) Display apparatus for changing color distribution of light generated by display and method thereof
WO2008072162A2 (en) Video processing device and method of color gamut mapping
JP2006293328A (ja) トーンスケール調整および一定ハイパスゲインを用いてディスプレイ輝度を強化する方法およびシステム
US8254448B2 (en) Moving picture display apparatus
KR100751461B1 (ko) 백라이트 밝기 조정을 통해 전력 소모를 감소시킨 액정표시 장치 및 그 방법
CN106063243A (zh) 生成关于图像/视频信号的方法、携带特定信息数据的比特流以及获得该特定信息的方法
EP2060112A1 (en) Apparatus and method for controlling luminance of display device
CN101620820A (zh) 视频再生方法及设备
CN116206576B (zh) 拼接显示系统漏光补偿方法、装置、设备及存储介质
JP7324151B2 (ja) 表示装置
JP7565748B2 (ja) 画像生成装置、カメラ、制御方法およびプログラム
US20120013655A1 (en) Method for modulating display data of flat display and flat display using the same

Legal Events

Date Code Title Description
A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20060428

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20060526

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20060828

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20061013

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20061221

A911 Transfer to examiner for re-examination before appeal (zenchi)

Free format text: JAPANESE INTERMEDIATE CODE: A911

Effective date: 20070320

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: 20070424

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20070523

R150 Certificate of patent or registration of utility model

Free format text: JAPANESE INTERMEDIATE CODE: R150

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20100601

Year of fee payment: 3

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20110601

Year of fee payment: 4

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20120601

Year of fee payment: 5

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20120601

Year of fee payment: 5

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130601

Year of fee payment: 6

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

LAPS Cancellation because of no payment of annual fees