KR100824393B1 - 디지털 신호 처리 회로, 이것을 사용한 표시 장치 및 액정프로젝터 - Google Patents

디지털 신호 처리 회로, 이것을 사용한 표시 장치 및 액정프로젝터 Download PDF

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KR100824393B1
KR100824393B1 KR1020010073295A KR20010073295A KR100824393B1 KR 100824393 B1 KR100824393 B1 KR 100824393B1 KR 1020010073295 A KR1020010073295 A KR 1020010073295A KR 20010073295 A KR20010073295 A KR 20010073295A KR 100824393 B1 KR100824393 B1 KR 100824393B1
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South Korea
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signal processing
gamma correction
input
bits
digital video
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KR1020010073295A
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English (en)
Korean (ko)
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KR20020040634A (ko
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기타가와히데유키
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소니 가부시끼 가이샤
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/64—Circuits for processing colour signals
    • H04N9/68—Circuits for processing colour signals for controlling the amplitude of colour signals, e.g. automatic chroma control circuits
    • H04N9/69—Circuits for processing colour signals for controlling the amplitude of colour signals, e.g. automatic chroma control circuits for modifying the colour signals by 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
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3102—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators
    • H04N9/3105—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators for displaying all colours simultaneously, e.g. by using two or more electronic spatial light modulators
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3179—Video signal processing therefor
    • H04N9/3182—Colour adjustment, e.g. white balance, shading or gamut
    • 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
    • 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)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Picture Signal Circuits (AREA)
  • Liquid Crystal (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Electroluminescent Light Sources (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Control Of El Displays (AREA)
KR1020010073295A 2000-11-24 2001-11-23 디지털 신호 처리 회로, 이것을 사용한 표시 장치 및 액정프로젝터 Expired - Fee Related KR100824393B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2000357181A JP4333023B2 (ja) 2000-11-24 2000-11-24 デジタル信号処理回路、これを用いた表示装置および液晶プロジェクタ
JPJP-P-2000-00357181 2000-11-24

Publications (2)

Publication Number Publication Date
KR20020040634A KR20020040634A (ko) 2002-05-30
KR100824393B1 true KR100824393B1 (ko) 2008-04-22

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020010073295A Expired - Fee Related KR100824393B1 (ko) 2000-11-24 2001-11-23 디지털 신호 처리 회로, 이것을 사용한 표시 장치 및 액정프로젝터

Country Status (4)

Country Link
US (1) US6943836B2 (https=)
JP (1) JP4333023B2 (https=)
KR (1) KR100824393B1 (https=)
CN (1) CN1182709C (https=)

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3763397B2 (ja) * 2000-03-24 2006-04-05 シャープ株式会社 画像処理装置、画像表示装置、パーソナルコンピュータ、画像処理方法
JP2003108072A (ja) * 2001-09-28 2003-04-11 Semiconductor Energy Lab Co Ltd 表示装置およびその駆動方法
WO2003040814A1 (en) 2001-11-05 2003-05-15 Samsung Electronics Co., Ltd. Liquid crystal display and driving apparatus thereof
KR100859520B1 (ko) * 2001-11-05 2008-09-22 삼성전자주식회사 액정 표시 장치 및 그 데이터 드라이버
KR100437815B1 (ko) * 2002-01-08 2004-06-30 엘지전자 주식회사 감마보정장치
KR100434293B1 (ko) * 2002-01-09 2004-06-05 엘지전자 주식회사 선형보간을 이용한 감마 보정 장치
KR100434294B1 (ko) * 2002-01-09 2004-06-05 엘지전자 주식회사 감마 보정 장치
US20040135209A1 (en) * 2002-02-05 2004-07-15 Tzu-Chiang Hsieh Camera with MOS or CMOS sensor array
RU2233044C2 (ru) * 2002-08-15 2004-07-20 Федеральное государственное унитарное предприятие "Московское орденов Октябрьской Революции и Трудового Красного Знамени конструкторское бюро "Электрон" - МКБ "Электрон" Устройство автоматического контрастирования телевизионного изображения
WO2004017286A2 (en) * 2002-08-19 2004-02-26 Koninklijke Philips Electronics N.V. Video circuit
AU2003249428A1 (en) * 2002-08-19 2004-03-03 Koninklijke Philips Electronics N.V. Video circuit
CN100449598C (zh) * 2002-08-22 2009-01-07 Nec液晶技术株式会社 液晶显示器驱动方法、液晶显示器件和设有该液晶显示器件的监视器
JP4158611B2 (ja) * 2002-09-06 2008-10-01 株式会社日立製作所 投射型映像表示装置
WO2004042689A1 (en) * 2002-11-04 2004-05-21 Ifire Technology Corp. Method and apparatus for gray-scale gamma correction for electroluminescent displays
KR20040041941A (ko) * 2002-11-12 2004-05-20 삼성전자주식회사 액정 표시 장치 및 그 구동 방법
JP2004301976A (ja) * 2003-03-31 2004-10-28 Nec Lcd Technologies Ltd 映像信号処理装置
WO2004093438A1 (en) * 2003-04-17 2004-10-28 Nokia Corporation An improved mobile camera telephone
JP4036142B2 (ja) 2003-05-28 2008-01-23 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および電子機器
US20100079685A1 (en) * 2003-11-01 2010-04-01 Taro Endo Spatial light modulator performing a gamma correction
US7826126B2 (en) * 2003-11-01 2010-11-02 Silicon Quest Kabushiki-Kaisha Gamma correction for adjustable light source
US7787172B2 (en) * 2003-11-01 2010-08-31 Silicon Quest Kabushiki-Kaisha Gamma correction for adjustable light source
CN100397443C (zh) * 2004-06-18 2008-06-25 点晶科技股份有限公司 应用于显示器的多通道驱动器的伽玛调校方法及其装置
KR100747230B1 (ko) * 2004-12-16 2007-08-07 엘지전자 주식회사 컨투어 노이즈 저감 장치 및 이를 포함하는 플라즈마 디스플레이 장치
KR100781306B1 (ko) 2005-07-29 2007-11-30 주식회사 컨트롤칩스 룩업테이블을 이용한 프로그래머블 감마보정회로
CN1852414B (zh) 2005-11-28 2010-05-05 华为技术有限公司 一种视频码流伽玛特性校正方法及多点控制单元
JP2007183342A (ja) * 2006-01-05 2007-07-19 Nec Electronics Corp データ変換回路とそれを用いた表示装置
CN101031091B (zh) * 2006-02-28 2010-07-21 华为技术有限公司 视频通信终端校正视频流伽玛特性的方法及设备
JP2007274198A (ja) * 2006-03-30 2007-10-18 Kyocera Corp 有機ｅｌ表示装置および有機ｅｌ表示装置の駆動方法
JP4752803B2 (ja) * 2007-04-06 2011-08-17 セイコーエプソン株式会社 電気光学装置及び電子機器
JP5053374B2 (ja) * 2007-06-14 2012-10-17 シャープ株式会社 液晶表示パネルおよび液晶表示装置
TR200704548A2 (tr) 2007-06-29 2009-01-21 Vestel Elektron�K San. Ve T�C. A.�. Kalıntısal verilere dayalı gama-düzeltme-tablosu güncellemesi için etkili metot
KR101073266B1 (ko) * 2010-02-11 2011-10-12 삼성모바일디스플레이주식회사 유기전계발광 표시장치 및 그의 구동방법
TW201445542A (zh) 2013-05-20 2014-12-01 Sony Corp 影像信號處理電路、影像信號處理方法及顯示裝置
JP2016118689A (ja) * 2014-12-22 2016-06-30 エルジー ディスプレイ カンパニー リミテッド 画像表示方法及び画像表示装置
KR101749229B1 (ko) 2014-12-22 2017-06-20 엘지디스플레이 주식회사 화상 표시 방법 및 화상 표시 장치
JP2017191167A (ja) * 2016-04-12 2017-10-19 セイコーエプソン株式会社 画像処理装置、表示装置および画像処理方法
US20190221176A1 (en) * 2018-01-16 2019-07-18 Pure Depth, Inc. Passive rgbw panel for multi-layer display
JP2019008326A (ja) * 2018-10-03 2019-01-17 エルジー ディスプレイ カンパニー リミテッド 画像表示方法及び画像表示装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20000034265A (ko) * 1998-11-28 2000-06-15 전주범 피디피 티브이의 휘도 레벨 보정 방법

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR950005050Y1 (ko) * 1991-12-05 1995-06-21 삼성전자 주식회사 디지탈 카메라의 아날로그 겸용회로
US5473373A (en) * 1994-06-07 1995-12-05 Industrial Technology Research Institute Digital gamma correction system for low, medium and high intensity video signals, with linear and non-linear correction
JP4189062B2 (ja) * 1998-07-06 2008-12-03 セイコーエプソン株式会社 電子機器
US6215468B1 (en) * 1998-11-13 2001-04-10 Philips Electronics North America Corporation Circuit for converting an 8-bit input video signal into a 10-bit gamma corrected output video signal
JP2001148291A (ja) * 1999-11-19 2001-05-29 Sony Corp 表示装置及びその製造方法

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20000034265A (ko) * 1998-11-28 2000-06-15 전주범 피디피 티브이의 휘도 레벨 보정 방법

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
공개특허공보 제10-2000-34265호

Also Published As

Publication number Publication date
KR20020040634A (ko) 2002-05-30
CN1356828A (zh) 2002-07-03
CN1182709C (zh) 2004-12-29
US20020063784A1 (en) 2002-05-30
JP4333023B2 (ja) 2009-09-16
JP2002165111A (ja) 2002-06-07
US6943836B2 (en) 2005-09-13

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