ATE335270T1 - Übergangslose aufhellung von lcd-monitoren und lcd-fernsehgeräten - Google Patents

Übergangslose aufhellung von lcd-monitoren und lcd-fernsehgeräten

Info

Publication number
ATE335270T1
ATE335270T1 AT03700403T AT03700403T ATE335270T1 AT E335270 T1 ATE335270 T1 AT E335270T1 AT 03700403 T AT03700403 T AT 03700403T AT 03700403 T AT03700403 T AT 03700403T AT E335270 T1 ATE335270 T1 AT E335270T1
Authority
AT
Austria
Prior art keywords
current
highlighting
lcd
increased
backlighting lamp
Prior art date
Application number
AT03700403T
Other languages
English (en)
Inventor
Gert W Bruning
Chin Chang
Original Assignee
Koninkl Philips Electronics Nv
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 Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Application granted granted Critical
Publication of ATE335270T1 publication Critical patent/ATE335270T1/de

Links

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
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14—Circuit arrangements
    • H05B41/36—Controlling
    • H05B41/38—Controlling the intensity of light
    • H05B41/382—Controlling the intensity of light during the transitional start-up phase
    • H05B41/386—Controlling the intensity of light during the transitional start-up phase for speeding-up the lighting-up
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Computer Hardware Design (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Liquid Crystal (AREA)
AT03700403T 2002-01-22 2003-01-17 Übergangslose aufhellung von lcd-monitoren und lcd-fernsehgeräten ATE335270T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/055,351 US6894675B2 (en) 2002-01-22 2002-01-22 Seamless highlighting in LCD monitors and LCD-TV

Publications (1)

Publication Number Publication Date
ATE335270T1 true ATE335270T1 (de) 2006-08-15

Family

ID=21997258

Family Applications (1)

Application Number Title Priority Date Filing Date
AT03700403T ATE335270T1 (de) 2002-01-22 2003-01-17 Übergangslose aufhellung von lcd-monitoren und lcd-fernsehgeräten

Country Status (8)

Country Link
US (1) US6894675B2 (de)
EP (1) EP1472677B1 (de)
JP (1) JP2005516246A (de)
KR (1) KR20040086285A (de)
CN (1) CN1774736A (de)
AT (1) ATE335270T1 (de)
DE (1) DE60307231T2 (de)
WO (1) WO2003063125A1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005521904A (ja) * 2002-04-02 2005-07-21 コーニンクレッカ　フィリップス　エレクトロニクス　エヌ　ヴィ 液晶ディスプレイに対するウィンドウの輝度の強調
US20050088461A1 (en) * 2003-10-23 2005-04-28 International Business Machines Corporation Method and apparatus for selectively changing the brightness level of a portion of a screen in a data processing system
JP4491638B2 (ja) * 2004-05-20 2010-06-30 日本電気株式会社 バックライト用他励式インバータ回路および駆動方法
CN105679252B (zh) * 2016-03-01 2018-05-18 广东欧珀移动通信有限公司 快速设置背光亮度的方法及系统
KR102629977B1 (ko) 2018-11-07 2024-02-21 삼성전자주식회사 디스플레이 장치 및 그 제어방법
US11070777B2 (en) * 2018-11-23 2021-07-20 Coretronic Corporation Projection apparatus and operation method thereof
CN110568891B (zh) * 2019-09-24 2021-07-09 上海艾为电子技术股份有限公司 一种电流dac电路和输出电流的方法

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4033263A (en) * 1974-12-12 1977-07-05 Harris Corporation Wide range power control for electric discharge lamp and press using the same
US4733229A (en) * 1984-01-24 1988-03-22 Whitehead Frank R Highlighting gray scale video display terminal
US5808597A (en) * 1995-03-08 1998-09-15 Canon Kabushiki Kaisha Illumination device for liquid crystal display apparatus
US5734362A (en) * 1995-06-07 1998-03-31 Cirrus Logic, Inc. Brightness control for liquid crystal displays
US5786801A (en) * 1996-09-06 1998-07-28 Sony Corporation Back light control apparatus and method for a flat display system
US5907742A (en) * 1997-03-09 1999-05-25 Hewlett-Packard Company Lamp control scheme for rapid warmup of fluorescent lamp in office equipment
US6151008A (en) 1997-08-01 2000-11-21 Compaq Computer Corporation Method and apparatus for controlling the brightness of a display screen
US6184861B1 (en) * 1998-03-24 2001-02-06 Ati Technologies, Inc. Method and apparatus for processing video and graphics data utilizing intensity scaling
JP2000214838A (ja) * 1999-01-27 2000-08-04 Fuji Photo Film Co Ltd 表示装置
JP2000287035A (ja) * 1999-03-30 2000-10-13 Nec Corp 光源制御装置
JP2001125547A (ja) * 1999-10-28 2001-05-11 Sony Corp 液晶表示装置及びその表示方法
CN1188822C (zh) * 1999-12-02 2005-02-09 皇家菲利浦电子有限公司 用于突出显示屏幕的被选部分的装置和方法
JP3438693B2 (ja) * 2000-02-03 2003-08-18 日本電気株式会社 表示部付き電子機器
US6496236B1 (en) * 2000-03-17 2002-12-17 Hewlett-Packard Company Multi-mode backlight for electronic device
TW548964B (en) 2001-01-24 2003-08-21 Koninkl Philips Electronics Nv Window brightness enhancement for LCD display

Also Published As

Publication number Publication date
KR20040086285A (ko) 2004-10-08
DE60307231D1 (de) 2006-09-14
US6894675B2 (en) 2005-05-17
JP2005516246A (ja) 2005-06-02
CN1774736A (zh) 2006-05-17
US20030137484A1 (en) 2003-07-24
EP1472677B1 (de) 2006-08-02
DE60307231T2 (de) 2007-06-28
WO2003063125A1 (en) 2003-07-31
EP1472677A1 (de) 2004-11-03

Similar Documents

Publication Publication Date Title
KR100616538B1 (ko) 싱글 스테이지 백라이트 인버터 및 그 구동방법
TWI263838B (en) Backlight assembly and liquid crystal display apparatus
AU2003223131A8 (en) Backlight assembly having external electrode fluorescent lamp, method of driving thereof and liquid crystal display having the same
JP2010034043A (ja) バックライトアッセンブリ
AU2003285746A1 (en) Inverter circuit, fluorescent bulb operating device, backlight device, and liquid crystal display device
TWI406231B (zh) 液晶顯示器之掃描式背光驅動燈管之方法
JP2010152337A (ja) 表示装置、およびその表示装置の駆動方法
TW200728849A (en) Backlight power supply device of liquid crystal display panel
ATE335270T1 (de) Übergangslose aufhellung von lcd-monitoren und lcd-fernsehgeräten
KR100537680B1 (ko) 액정표시기의 인버터 펄스폭변조 주파수 조절장치 및 방법
TW200739476A (en) Inverter for driving backlight devices in a large LCD panel
US20080266850A1 (en) Ambient Light to Reduce Power Consumption and to Increase Brightness of Backlit electronic Displays
US7928668B2 (en) Lamp control system
DE60334537D1 (de) Verbesserung der fensterhelligkeit für eine lcd-anzeige
TW200727317A (en) Multiple output piezoelectric transformer and inverter
TW200605007A (en) A liquid crystal display with an image flicker elimination function applied when power-on and an operation method of the same
JPH04136911A (ja) バックライト装置
JP2002062519A (ja) 液晶表示装置
KR100334754B1 (ko) 냉음극 형광등용 인버터
TW200604620A (en) Impulse backlight system and a flat display using the same
JP2001117070A (ja) 液晶表示制御装置
JP2009294413A (ja) 表示装置及びその制御方法
KR100653064B1 (ko) 휴대용 컴퓨터 및 그 제어방법
KR101067075B1 (ko) 전류 밸런싱 백라이트 회로
TW200601659A (en) High frequency power source apparatus

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties