CN100557684C - 图像显示方法、图像显示装置以及对比度调整电路 - Google Patents

图像显示方法、图像显示装置以及对比度调整电路 Download PDF

Info

Publication number
CN100557684C
CN100557684C CNB2006101007111A CN200610100711A CN100557684C CN 100557684 C CN100557684 C CN 100557684C CN B2006101007111 A CNB2006101007111 A CN B2006101007111A CN 200610100711 A CN200610100711 A CN 200610100711A CN 100557684 C CN100557684 C CN 100557684C
Authority
CN
China
Prior art keywords
mentioned
contrast
level
image display
luminance
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 - Lifetime
Application number
CNB2006101007111A
Other languages
English (en)
Chinese (zh)
Other versions
CN1920940A (zh
Inventor
青木浩司
长谷川亮
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.)
Maxell Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Publication of CN1920940A publication Critical patent/CN1920940A/zh
Application granted granted Critical
Publication of CN100557684C publication Critical patent/CN100557684C/zh
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/44Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/57Control of contrast or brightness
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/10Intensity circuits
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00Control of display operating conditions
    • G09G2320/06Adjustment of display parameters
    • G09G2320/0626Adjustment of display parameters for control of overall brightness
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00Control of display operating conditions
    • G09G2320/06Adjustment of display parameters
    • G09G2320/066Adjustment of display parameters for control of contrast
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control 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
    • G09G3/34Control 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
    • G09G3/36Control 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
    • G09G3/3611Control of matrices with row and column drivers

Landscapes

  • 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)
CNB2006101007111A 2002-08-22 2003-04-09 图像显示方法、图像显示装置以及对比度调整电路 Expired - Lifetime CN100557684C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
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
JP241579/2002 2002-08-22

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CN2005100893106A Division CN100407778C (zh) 2002-08-22 2003-04-09 图像显示方法及图像显示装置

Publications (2)

Publication Number Publication Date
CN1920940A CN1920940A (zh) 2007-02-28
CN100557684C true CN100557684C (zh) 2009-11-04

Family

ID=31884557

Family Applications (3)

Application Number Title Priority Date Filing Date
CNB2006101007111A Expired - Lifetime CN100557684C (zh) 2002-08-22 2003-04-09 图像显示方法、图像显示装置以及对比度调整电路
CN2005100893106A Expired - Lifetime CN100407778C (zh) 2002-08-22 2003-04-09 图像显示方法及图像显示装置
CNB031095534A Expired - Lifetime CN1262115C (zh) 2002-08-22 2003-04-09 图像显示方法、图像显示装置以及对比度调整电路

Family Applications After (2)

Application Number Title Priority Date Filing Date
CN2005100893106A Expired - Lifetime CN100407778C (zh) 2002-08-22 2003-04-09 图像显示方法及图像显示装置
CNB031095534A Expired - Lifetime CN1262115C (zh) 2002-08-22 2003-04-09 图像显示方法、图像显示装置以及对比度调整电路

Country Status (5)

Country Link
US (5) US7227559B2 (https=)
JP (1) JP3838177B2 (https=)
KR (1) KR100566021B1 (https=)
CN (3) CN100557684C (https=)
TW (1) TW591941B (https=)

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
US8305399B2 (en) * 2005-03-10 2012-11-06 Panasonic Corporation Display device, contrast adjusting method and contrast adjusting program
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
JP5270674B2 (ja) * 2007-06-29 2013-08-21 トムソン ライセンシング ウォーターマークデータの挿入のためにデータを処理する方法、データソースに埋め込まれたウォーターマークデータを検出する方法、ウォーターマークデータの埋め込み処理により生成された検出データを使用して、データソースに埋め込まれたウォーターマークデータを検出する方法、データソースに埋め込まれたウォーターマークを検出する装置及びプログラム記憶媒体
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
JP5627041B2 (ja) * 2010-10-15 2014-11-19 シャープ株式会社 画像処理装置、画像処理方法、画像処理プログラム、記録媒体
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
US20130335682A1 (en) * 2011-03-09 2013-12-19 Dolby Laboratories Licensing Corporation High Contrast Grayscale and Color Displays
US9338389B2 (en) 2011-10-20 2016-05-10 Dolby Laboratories Licensing Corporation Method and system for video equalization
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

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5546134A (en) * 1993-11-24 1996-08-13 Samsung Electronics Co., Ltd. Video brightness/contrast enhancement method adaptive to a scene and circuit therefor
EP0920193A2 (en) * 1997-11-29 1999-06-02 Samsung Electronics Co., Ltd. Image processing apparatus and method

Family Cites Families (24)

* 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 (https=) * 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
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
JP2000172218A (ja) 1998-12-03 2000-06-23 Matsushita Electric Ind Co Ltd 液晶表示装置
TWI249630B (en) * 1999-05-10 2006-02-21 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

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5546134A (en) * 1993-11-24 1996-08-13 Samsung Electronics Co., Ltd. Video brightness/contrast enhancement method adaptive to a scene and circuit therefor
EP0920193A2 (en) * 1997-11-29 1999-06-02 Samsung Electronics Co., Ltd. Image processing apparatus and method

Also Published As

Publication number Publication date
CN1728793A (zh) 2006-02-01
US20100177248A1 (en) 2010-07-15
KR100566021B1 (ko) 2006-03-31
US20090059083A1 (en) 2009-03-05
US7876301B2 (en) 2011-01-25
US20040036703A1 (en) 2004-02-26
CN1477864A (zh) 2004-02-25
TW200403938A (en) 2004-03-01
KR20040018108A (ko) 2004-03-02
US7719551B2 (en) 2010-05-18
US20090153596A1 (en) 2009-06-18
JP2004078074A (ja) 2004-03-11
JP3838177B2 (ja) 2006-10-25
TW591941B (en) 2004-06-11
US7227559B2 (en) 2007-06-05
US7898557B2 (en) 2011-03-01
CN1920940A (zh) 2007-02-28
CN100407778C (zh) 2008-07-30
US8120560B2 (en) 2012-02-21
US20070216816A1 (en) 2007-09-20
CN1262115C (zh) 2006-06-28

Similar Documents

Publication Publication Date Title
CN100557684C (zh) 图像显示方法、图像显示装置以及对比度调整电路
JP3783645B2 (ja) 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
US20040246537A1 (en) Video signal processing circuit, video display apparatus, and video display method
KR100691553B1 (ko) 영상 신호 처리 회로 및 텔레비전 수상기
US7609282B2 (en) Image display method and apparatus
JP3838259B2 (ja) 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
JP4107324B2 (ja) 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
JP3783726B2 (ja) 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
JP3783727B2 (ja) 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
JPH06326942A (ja) 電子ディスプレイの制御方法およびその装置

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
ASS Succession or assignment of patent right

Owner name: HITACHI LTD.

Free format text: FORMER OWNER: HITACHI,LTD.

Effective date: 20130718

C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20130718

Address after: Tokyo, Japan

Patentee after: HITACHI CONSUMER ELECTRONICS Co.,Ltd.

Address before: Tokyo, Japan

Patentee before: Hitachi, Ltd.

ASS Succession or assignment of patent right

Owner name: HITACHI MAXELL LTD.

Free format text: FORMER OWNER: HITACHI LTD.

Effective date: 20150326

C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20150326

Address after: Osaka, Japan

Patentee after: Hitachi Maxell, Ltd.

Address before: Tokyo, Japan

Patentee before: Hitachi Consumer Electronics Co.,Ltd.

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20171213

Address after: Kyoto Japan

Patentee after: MAXELL, Ltd.

Address before: Osaka, Japan

Patentee before: Hitachi Maxell, Ltd.

CP01 Change in the name or title of a patent holder
CP01 Change in the name or title of a patent holder

Address after: Kyoto Japan

Patentee after: MAXELL, Ltd.

Address before: Kyoto Japan

Patentee before: MAXELL HOLDINGS, Ltd.

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20220601

Address after: Kyoto Japan

Patentee after: MAXELL HOLDINGS, Ltd.

Address before: Kyoto, Japan

Patentee before: MAXELL, Ltd.

CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20091104