KR100566021B1 - 영상 표시 방법, 영상 표시 장치, 및 이에 이용되는콘트라스트 조정 회로 - Google Patents

영상 표시 방법, 영상 표시 장치, 및 이에 이용되는콘트라스트 조정 회로 Download PDF

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Publication number
KR100566021B1
KR100566021B1 KR1020030022228A KR20030022228A KR100566021B1 KR 100566021 B1 KR100566021 B1 KR 100566021B1 KR 1020030022228 A KR1020030022228 A KR 1020030022228A KR 20030022228 A KR20030022228 A KR 20030022228A KR 100566021 B1 KR100566021 B1 KR 100566021B1
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South Korea
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luminance
signal
level
contrast
circuit
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Expired - Lifetime
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KR1020030022228A
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Korean (ko)
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KR20040018108A (ko
Inventor
아오끼히로시
하세가와료우
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가부시키가이샤 히타치세이사쿠쇼
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/57—Control of contrast or 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
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/10—Intensity circuits
    • 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
    • G09G2320/066—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
    • 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

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Television Receiver Circuits (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Picture Signal Circuits (AREA)
  • Processing Of Color Television Signals (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Transforming Electric Information Into Light Information (AREA)
KR1020030022228A 2002-08-22 2003-04-09 영상 표시 방법, 영상 표시 장치, 및 이에 이용되는콘트라스트 조정 회로 Expired - Lifetime KR100566021B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JPJP-P-2002-00241579 2002-08-22
JP2002241579A JP3838177B2 (ja) 2002-08-22 2002-08-22 映像表示方法、映像表示装置及びそれに用いるコントラスト調整回路

Publications (2)

Publication Number Publication Date
KR20040018108A KR20040018108A (ko) 2004-03-02
KR100566021B1 true KR100566021B1 (ko) 2006-03-31

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020030022228A Expired - Lifetime KR100566021B1 (ko) 2002-08-22 2003-04-09 영상 표시 방법, 영상 표시 장치, 및 이에 이용되는콘트라스트 조정 회로

Country Status (5)

Country Link
US (5) US7227559B2 (enExample)
JP (1) JP3838177B2 (enExample)
KR (1) KR100566021B1 (enExample)
CN (3) CN100407778C (enExample)
TW (1) TW591941B (enExample)

Families Citing this family (58)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030073390A (ko) * 2002-03-11 2003-09-19 삼성전자주식회사 동적 휘도비를 향상시키기 위한 액정 표시 장치 및 이장치를 위한 감마 전압 생성 방법
JP3783645B2 (ja) * 2002-04-05 2006-06-07 株式会社日立製作所 コントラスト調整方法、コントラスト調整回路及びそれを用いた映像表示装置
JP3838177B2 (ja) * 2002-08-22 2006-10-25 株式会社日立製作所 映像表示方法、映像表示装置及びそれに用いるコントラスト調整回路
JP4055679B2 (ja) * 2003-08-25 2008-03-05 セイコーエプソン株式会社 電気光学装置、電気光学装置の駆動方法及び電子機器
JP2005159691A (ja) * 2003-11-26 2005-06-16 Hitachi Ltd 監視システム
KR100801627B1 (ko) * 2003-12-24 2008-02-11 삼성전자주식회사 디스플레이장치 및 그 제어방법
KR100965597B1 (ko) * 2003-12-29 2010-06-23 엘지디스플레이 주식회사 액정표시장치의 구동방법 및 구동장치
KR100601654B1 (ko) * 2004-01-08 2006-07-14 삼성전자주식회사 입력 영상의 화질 개선을 위한 장치 및 방법
KR100595226B1 (ko) * 2004-01-30 2006-07-03 엘지전자 주식회사 피디피 모듈의 콘트라스트 보상장치 및 방법
JP4387220B2 (ja) * 2004-02-24 2009-12-16 株式会社日立製作所 映像表示方法及びその装置
US20060007239A1 (en) * 2004-07-06 2006-01-12 Harrison Charles F Color correction system
KR100577764B1 (ko) * 2004-09-08 2006-05-10 엘지전자 주식회사 다중 레벨 노이즈를 이용한 에러 확산 패턴 무늬의 개선방법 및 장치
CN100365684C (zh) * 2004-09-16 2008-01-30 乐金电子（南京）等离子有限公司 等离子显示器的对比度控制装置及方法
TW200629232A (en) 2005-02-15 2006-08-16 Quanta Comp Inc Dynamic image contrast enhancement device
CN100551082C (zh) * 2005-03-08 2009-10-14 广达电脑股份有限公司 动态图像对比度调整装置
WO2006095576A1 (ja) * 2005-03-10 2006-09-14 Matsushita Electric Industrial Co., Ltd. 表示装置、コントラスト調整方法及びコントラスト調整プログラム
TWI300208B (en) * 2005-03-30 2008-08-21 Quanta Comp Inc Apparatus and method for adjusting brightness
CN100369455C (zh) * 2005-04-28 2008-02-13 凌阳科技股份有限公司 影像动态响应重新分布装置与方法及使用其的数码相机
EP1889250B1 (en) * 2005-06-08 2018-08-08 Thomson Licensing DTV Apparatus for image processing in spatial light modulated display systems
JP2007025635A (ja) * 2005-06-17 2007-02-01 Fujitsu Hitachi Plasma Display Ltd プラズマディスプレイ装置及びその処理方法
JP2007049494A (ja) * 2005-08-10 2007-02-22 Konica Minolta Business Technologies Inc 色変換テーブルの作成方法、画像処理装置、画像処理方法、画像形成装置及び記録媒体
JP4419933B2 (ja) * 2005-08-26 2010-02-24 ソニー株式会社 画像処理装置、画像表示装置および画像処理方法
US7773158B2 (en) * 2005-10-12 2010-08-10 Panasonic Corporation Visual processing device, display device, and integrated circuit
KR20070052485A (ko) * 2005-11-17 2007-05-22 삼성전자주식회사 영상처리장치 및 영상처리방법
TW200729141A (en) * 2006-01-20 2007-08-01 Asustek Comp Inc Display device capable of compensating luminance of environments
TWI338514B (en) * 2006-01-20 2011-03-01 Au Optronics Corp Image processing method for enhancing contrast
CN100479494C (zh) * 2006-03-08 2009-04-15 深圳Tcl新技术有限公司 一种用于图像画质的调整方法
US8488060B2 (en) * 2006-03-29 2013-07-16 Semiconductor Components Industries, Llc Image signal processing apparatus for converting an interlace signal to a progressive signal
EP1850316A1 (en) * 2006-04-25 2007-10-31 ASUSTeK Computer Inc. Display device capable of compensating for luminance of environments
JP2007311889A (ja) * 2006-05-16 2007-11-29 Sony Corp 画像補正回路、画像補正方法および画像表示装置
US8023733B2 (en) 2006-06-08 2011-09-20 Panasonic Corporation Image processing device, image processing method, image processing program, and integrated circuit
KR20080015626A (ko) 2006-08-16 2008-02-20 삼성전자주식회사 영상처리장치 및 영상처리방법
KR100757737B1 (ko) * 2006-08-21 2007-09-11 삼성전자주식회사 흑 신장 장치 및 방법
US8155212B2 (en) * 2006-11-24 2012-04-10 Mediatek Inc. System and method for outputting video streams
WO2009005494A1 (en) * 2007-06-29 2009-01-08 Thomson Licensing Volume marking with low-frequency
JP4835525B2 (ja) * 2007-07-04 2011-12-14 ソニー株式会社 画像処理装置、画像処理方法及びプログラム
TWM336639U (en) * 2007-07-24 2008-07-11 Princeton Technology Corp Image brightness controlling and compensating apparatus for field emission display
CN101577832B (zh) * 2008-05-06 2012-03-21 联咏科技股份有限公司 用于加强文字显示效果的图像处理电路及其方法
JP5320865B2 (ja) * 2008-07-04 2013-10-23 セイコーエプソン株式会社 プロジェクタおよびプロジェクタの制御方法
JP5169652B2 (ja) * 2008-09-08 2013-03-27 セイコーエプソン株式会社 画像処理装置、画像表示装置、画像処理方法及び画像表示方法
US8284232B2 (en) * 2009-01-30 2012-10-09 Hewlett-Packard Development Company, L.P. Equalization of video streams
TWI427603B (zh) * 2009-03-02 2014-02-21 Innolux Corp 顯示器與其驅動裝置與驅動方法
JP5397190B2 (ja) * 2009-11-27 2014-01-22 ソニー株式会社 画像処理装置、画像処理方法、およびプログラム
KR101165450B1 (ko) * 2010-07-14 2012-07-16 에스케이하이닉스 주식회사 블랙 레벨 보상 장치 및 방법
JP2012044382A (ja) * 2010-08-18 2012-03-01 Sony Corp 映像データ処理装置、コントラスト補正方法
CN103119924A (zh) * 2010-10-15 2013-05-22 夏普株式会社 图像处理装置、图像处理方法、图像处理程序、记录媒体
JP5673032B2 (ja) * 2010-11-29 2015-02-18 ソニー株式会社 画像処理装置、表示装置、画像処理方法及びプログラム
CN103443846B (zh) * 2011-03-09 2016-12-21 杜比实验室特许公司 高对比度的灰度级显示器和彩色显示器
KR101579831B1 (ko) 2011-10-20 2015-12-23 돌비 레버러토리즈 라이쎈싱 코오포레이션 비디오 등화를 위한 방법 및 시스템
JP5924147B2 (ja) * 2012-06-14 2016-05-25 ソニー株式会社 表示装置、画像処理装置、および表示方法
KR101573916B1 (ko) * 2014-12-16 2015-12-02 (주)넥스트칩 영상 수신 방법 및 장치
JP6537401B2 (ja) * 2015-08-06 2019-07-03 日本放送協会 映像信号の画面輝度を調整する表示装置及び調整回路
JP6968678B2 (ja) * 2017-08-23 2021-11-17 キヤノン株式会社 表示装置及びその制御方法、記憶媒体、プログラム
CN107635123B (zh) * 2017-10-30 2019-07-19 Oppo广东移动通信有限公司 白平衡处理方法及装置、电子装置和计算机可读存储介质
CN109064971B (zh) * 2018-08-24 2020-10-27 深圳市沃特沃德股份有限公司 Oled屏背光调节的方法及其装置
CN109559802B (zh) * 2018-11-07 2021-02-05 杭州迪英加科技有限公司 数据显示方法和装置
JP7185556B2 (ja) * 2019-02-19 2022-12-07 キヤノン株式会社 撮像装置及びその制御方法、プログラム、記憶媒体
CN120340431A (zh) * 2025-06-04 2025-07-18 深圳市吉兰特科技有限公司 一种窄边框tft-lcd显示单元自适应控制方法及系统

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4802350B2 (ja) * 1998-03-12 2011-10-26 ソニー株式会社 表示装置
DE3629396C2 (de) * 1986-08-29 1993-12-23 Agfa Gevaert Ag Verfahren zur elektronischen Bildverarbeitung
JPS645569U (enExample) * 1987-06-26 1989-01-12
CA2040672C (en) * 1990-04-26 1995-05-30 Masaaki Kanashiki Image signal processing apparatus
JP2832066B2 (ja) 1990-04-27 1998-12-02 キヤノン株式会社 コントラスト調整装置
JPH04223691A (ja) 1990-12-25 1992-08-13 Sony Corp 映像信号利得調整回路
DE4203092A1 (de) * 1992-02-04 1993-08-05 Philips Patentverwaltung Verfahren zur kontrastkorrektur
DE4239365A1 (de) * 1992-11-24 1994-05-26 Philips Patentverwaltung Schaltungsanordnung zum Verarbeiten eines Videosignals
JPH06315099A (ja) 1993-04-30 1994-11-08 Toshiba Corp 画質調整回路
KR0142290B1 (ko) * 1993-11-24 1998-06-15 김광호 장면적응 영상개선방법 및 그 회로
JPH0851579A (ja) 1994-08-05 1996-02-20 Toshiba Corp 映像表示装置
JPH08139968A (ja) * 1994-11-08 1996-05-31 Matsushita Electric Ind Co Ltd 映像信号処理装置
JPH08138558A (ja) 1994-11-11 1996-05-31 Hitachi Ltd プラズマディスプレイ装置
JPH09154042A (ja) * 1995-11-29 1997-06-10 Matsushita Electric Ind Co Ltd 輝度信号処理回路
JPH09219830A (ja) 1996-02-13 1997-08-19 Toshiba Corp 映像処理装置
JPH10208637A (ja) 1997-01-29 1998-08-07 Hitachi Ltd 平面形画像表示装置の封止構造
CN1136718C (zh) * 1997-11-29 2004-01-28 三星电子株式会社 图像处理装置及方法
JP2000172218A (ja) 1998-12-03 2000-06-23 Matsushita Electric Ind Co Ltd 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
JP3430998B2 (ja) 1999-11-08 2003-07-28 松下電器産業株式会社 画像表示装置および画像表示方法
US7113227B1 (en) * 1999-11-25 2006-09-26 Matsushita Electric Industrial Co., Ltd. Gradation correcting apparatus gradation correcting method and video display apparatus
JP4287004B2 (ja) 1999-12-17 2009-07-01 エルジー エレクトロニクス インコーポレイティド プラズマディスプレイパネルの階調表示処理装置及びその処理方法
US6950111B2 (en) * 2000-12-11 2005-09-27 Mitsubishi Denki Kabushiki Kaisha Image display unit
JP4850342B2 (ja) * 2001-02-15 2012-01-11 三菱電機株式会社 画像表示装置
JP4588230B2 (ja) * 2001-02-27 2010-11-24 三菱電機株式会社 投射型映像表示装置
JP3838177B2 (ja) * 2002-08-22 2006-10-25 株式会社日立製作所 映像表示方法、映像表示装置及びそれに用いるコントラスト調整回路

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Publication number Publication date
US20100177248A1 (en) 2010-07-15
US7227559B2 (en) 2007-06-05
CN1477864A (zh) 2004-02-25
CN100407778C (zh) 2008-07-30
TW591941B (en) 2004-06-11
US7719551B2 (en) 2010-05-18
US8120560B2 (en) 2012-02-21
US7876301B2 (en) 2011-01-25
US20090059083A1 (en) 2009-03-05
JP2004078074A (ja) 2004-03-11
CN1920940A (zh) 2007-02-28
TW200403938A (en) 2004-03-01
US20090153596A1 (en) 2009-06-18
CN100557684C (zh) 2009-11-04
US20040036703A1 (en) 2004-02-26
US7898557B2 (en) 2011-03-01
JP3838177B2 (ja) 2006-10-25
CN1728793A (zh) 2006-02-01
KR20040018108A (ko) 2004-03-02
CN1262115C (zh) 2006-06-28
US20070216816A1 (en) 2007-09-20

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