FR2838274B1 - Procede et circuit d'ajustement du contraste dans un dispositif d'affichage - Google Patents

Procede et circuit d'ajustement du contraste dans un dispositif d'affichage

Info

Publication number
FR2838274B1
FR2838274B1 FR0303773A FR0303773A FR2838274B1 FR 2838274 B1 FR2838274 B1 FR 2838274B1 FR 0303773 A FR0303773 A FR 0303773A FR 0303773 A FR0303773 A FR 0303773A FR 2838274 B1 FR2838274 B1 FR 2838274B1
Authority
FR
France
Prior art keywords
contrast
adjusting
circuit
display device
display
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
FR0303773A
Other languages
English (en)
Other versions
FR2838274A1 (fr
Inventor
Jas Sung Kang
Im Soo Kang
Jae Bong Choi
Ji Hyun Lee
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.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics Co 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 Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of FR2838274A1 publication Critical patent/FR2838274A1/fr
Application granted granted Critical
Publication of FR2838274B1 publication Critical patent/FR2838274B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/02—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the way in which colour is displayed
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G1/00—Control arrangements or circuits, of interest only in connection with cathode-ray tube indicators; General aspects or details, e.g. selection emphasis on particular characters, dashed line or dotted line generation; Preprocessing of data
    • G09G1/28—Control arrangements or circuits, of interest only in connection with cathode-ray tube indicators; General aspects or details, e.g. selection emphasis on particular characters, dashed line or dotted line generation; Preprocessing of data using colour tubes
    • G09G1/285—Interfacing with colour displays, e.g. TV receiver
    • 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
    • G09G5/003—Details of a display terminal, the details relating to the control arrangement of the display terminal and to the interfaces thereto
    • 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
    • G09G5/003—Details of a display terminal, the details relating to the control arrangement of the display terminal and to the interfaces thereto
    • G09G5/006—Details of the interface to the display terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
    • H04N21/4318—Generation of visual interfaces for content selection or interaction; Content or additional data rendering by altering the content in the rendering process, e.g. blanking, blurring or masking an image region
    • 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
    • G09G2320/066—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
    • G09G2320/00—Control of display operating conditions
    • G09G2320/06—Adjustment of display parameters
    • G09G2320/0686—Adjustment of display parameters with two or more screen areas displaying information with different brightness or colours
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2340/00—Aspects of display data processing
    • G09G2340/12—Overlay of images, i.e. displayed pixel being the result of switching between the corresponding input pixels
    • G09G2340/125—Overlay of images, i.e. displayed pixel being the result of switching between the corresponding input pixels wherein one of the images is motion video
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2370/00—Aspects of data communication
    • G09G2370/04—Exchange of auxiliary data, i.e. other than image data, between monitor and graphics controller
    • G09G2370/045—Exchange of auxiliary data, i.e. other than image data, between monitor and graphics controller using multiple communication channels, e.g. parallel and serial
    • 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
FR0303773A 2002-04-09 2003-03-27 Procede et circuit d'ajustement du contraste dans un dispositif d'affichage Expired - Fee Related FR2838274B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR10-2002-0019193A KR100434500B1 (ko) 2002-04-09 2002-04-09 배경영역의 컨트라스트 제어방법 및 제어회로

Publications (2)

Publication Number Publication Date
FR2838274A1 FR2838274A1 (fr) 2003-10-10
FR2838274B1 true FR2838274B1 (fr) 2005-09-16

Family

ID=28450129

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0303773A Expired - Fee Related FR2838274B1 (fr) 2002-04-09 2003-03-27 Procede et circuit d'ajustement du contraste dans un dispositif d'affichage

Country Status (7)

Country Link
US (1) US7158153B2 (fr)
JP (1) JP2004046086A (fr)
KR (1) KR100434500B1 (fr)
CN (1) CN100346287C (fr)
FR (1) FR2838274B1 (fr)
NL (1) NL1022979C2 (fr)
TW (1) TW595222B (fr)

Families Citing this family (12)

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US8035653B2 (en) * 2006-10-27 2011-10-11 Hewlett-Packard Development Company, L.P. Dynamically adjustable elements of an on-screen display
KR20080067516A (ko) * 2007-01-16 2008-07-21 삼성전자주식회사 디스플레이장치 및 그 영상조정방법
US8890877B2 (en) * 2008-02-28 2014-11-18 Standard Microsystems Corporation Updating firmware in a display device using a serial bus
WO2009125342A1 (fr) * 2008-04-07 2009-10-15 Nxp B.V. Dispositif électronique et procédé d'amélioration de la qualité d'image de données vidéo composites comportant au moins une fenêtre
TWI404041B (zh) * 2008-12-01 2013-08-01 Mstar Semiconductor Inc 自動調整螢幕上顯示資訊的裝置與方法
JP2011048040A (ja) * 2009-08-26 2011-03-10 Sony Corp 映像信号処理装置、映像信号処理方法およびプログラム
CN102129689B (zh) * 2011-02-24 2012-11-14 南京大学 自动增益场景下基于相机响应函数的背景建模方法
WO2014155618A1 (fr) * 2013-03-28 2014-10-02 Ｎｅｃディスプレイソリューションズ株式会社 Dispositif d'amélioration de qualité d'image, dispositif d'affichage d'image et procédé d'amélioration de qualité d'image
CN105872509A (zh) * 2015-11-23 2016-08-17 乐视致新电子科技（天津）有限公司 一种图像对比度调节方法及装置
US10901248B1 (en) 2019-10-16 2021-01-26 Himax Technologies Limited Voltage amplifier circuit and associated amplifying method for flexible waveform adjustment
TWI708238B (zh) * 2019-11-18 2020-10-21 奇景光電股份有限公司 電壓放大電路以及相關的電壓方法
TW202326448A (zh) * 2021-12-16 2023-07-01 瑞昱半導體股份有限公司 顯示器控制系統及顯示器

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4286293A (en) * 1979-05-30 1981-08-25 Western Electric Company, Inc. Laser scanning and multiple detection for video image processing
US5576723A (en) * 1987-09-11 1996-11-19 Cybex Computer Products Corporation VGA signal converter for converting VGA color signals to VGA monochrome signals
US5075766A (en) * 1990-04-30 1991-12-24 Sendelweck Gene K Television on-screen character display system with provisions for edging characters
JPH0414965A (ja) 1990-05-08 1992-01-20 Sharp Corp スーパーインポーズ装置
KR960008753B1 (en) * 1993-09-25 1996-06-29 Samsung Electronics Co Ltd On screen display circuit
US5496106A (en) * 1994-12-13 1996-03-05 Apple Computer, Inc. System and method for generating a contrast overlay as a focus assist for an imaging device
EP1160760B1 (fr) * 1997-01-31 2010-11-24 Hitachi, Ltd. Système d'affichage d'image ayant la capacité de modification d'attributs dans une région spécifique d'affichage
DE69837084T2 (de) * 1997-12-31 2007-10-25 Koninklijke Philips Electronics N.V. Vorrichtung und verfahren zur dynamischen kontrolle von objekthelligkeit auf einem bildschirm
US6897855B1 (en) * 1998-02-17 2005-05-24 Sarnoff Corporation Tiled electronic display structure
US6842170B1 (en) * 1999-03-17 2005-01-11 Motorola, Inc. Display with aligned optical shutter and backlight cells applicable for use with a touchscreen
US6542622B1 (en) * 1999-08-30 2003-04-01 Eastman Kodak Company Methods and articles for determining invisible ink print quality
JP4001312B2 (ja) * 2000-08-17 2007-10-31 株式会社リコー 画像読取装置
CN1156156C (zh) * 2000-11-06 2004-06-30 北京算通数字技术研究中心有限公司 基于频域与搭配色彩集分析的电视文字与图形的显示方法
US6919929B1 (en) * 2001-03-29 2005-07-19 National Semiconductor Corporation Method and system for implementing a video and graphics interface signaling protocol

Also Published As

Publication number Publication date
KR20030080522A (ko) 2003-10-17
CN100346287C (zh) 2007-10-31
FR2838274A1 (fr) 2003-10-10
US20030189560A1 (en) 2003-10-09
KR100434500B1 (ko) 2004-06-05
TW595222B (en) 2004-06-21
TW200305334A (en) 2003-10-16
US7158153B2 (en) 2007-01-02
CN1450444A (zh) 2003-10-22
JP2004046086A (ja) 2004-02-12
NL1022979A1 (nl) 2003-10-13
NL1022979C2 (nl) 2005-02-15

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Legal Events

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ST Notification of lapse

Effective date: 20151130