IN2012DE01673A - - Google Patents

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Publication number
IN2012DE01673A
IN2012DE01673A IN1673DE2012A IN2012DE01673A IN 2012DE01673 A IN2012DE01673 A IN 2012DE01673A IN 1673DE2012 A IN1673DE2012 A IN 1673DE2012A IN 2012DE01673 A IN2012DE01673 A IN 2012DE01673A
Authority
IN
India
Prior art keywords
light
emitting diodes
input signal
signal
cyclic input
Prior art date
Application number
Other languages
English (en)
Inventor
Schou Guy
Renaud Frederic
Original Assignee
Thales Sa
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 Thales Sa filed Critical Thales Sa
Publication of IN2012DE01673A publication Critical patent/IN2012DE01673A/en

Links

Classifications

    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/10Controlling the intensity of the light

Landscapes

  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Liquid Crystal (AREA)
  • Led Devices (AREA)
IN1673DE2012 2011-06-01 2012-06-01 IN2012DE01673A (enExample)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1101681A FR2976150B1 (fr) 2011-06-01 2011-06-01 Dispositif de commande de diodes electroluminescentes a tres grande dynamique de luminance pour ecran de visualisation

Publications (1)

Publication Number Publication Date
IN2012DE01673A true IN2012DE01673A (enExample) 2015-09-25

Family

ID=44550428

Family Applications (1)

Application Number Title Priority Date Filing Date
IN1673DE2012 IN2012DE01673A (enExample) 2011-06-01 2012-06-01

Country Status (5)

Country Link
US (1) US9277617B2 (enExample)
JP (1) JP6057366B2 (enExample)
CN (1) CN102810300B (enExample)
FR (1) FR2976150B1 (enExample)
IN (1) IN2012DE01673A (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105376898A (zh) * 2014-08-26 2016-03-02 艾笛森光电股份有限公司 照明装置及其方法
CN104505018A (zh) * 2014-12-12 2015-04-08 江苏开放大学 一种改进cpld设计的led显示屏异步显示控制系统
CN109764633B (zh) * 2019-03-06 2023-05-02 杭州华日家电有限公司 一种无霜冰箱自优化错峰化霜的控制方法

Family Cites Families (38)

* Cited by examiner, † Cited by third party
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JPS59195627A (ja) 1983-04-21 1984-11-06 Olympus Optical Co Ltd 液晶表示装置
US4888599A (en) 1987-10-23 1989-12-19 Rockwell International Corp. Real time apparatus for adjusting contrast ratio of liquid crystal displays
US5724062A (en) 1992-08-05 1998-03-03 Cree Research, Inc. High resolution, high brightness light emitting diode display and method and producing the same
US5270818A (en) 1992-09-17 1993-12-14 Alliedsignal Inc. Arrangement for automatically controlling brightness of cockpit displays
US5615093A (en) 1994-08-05 1997-03-25 Linfinity Microelectronics Current synchronous zero voltage switching resonant topology
JP3547837B2 (ja) 1995-03-31 2004-07-28 ミネベア株式会社 インバ−タ装置
US5786801A (en) 1996-09-06 1998-07-28 Sony Corporation Back light control apparatus and method for a flat display system
US5939830A (en) 1997-12-24 1999-08-17 Honeywell Inc. Method and apparatus for dimming a lamp in a backlight of a liquid crystal display
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JP2002163907A (ja) 2000-11-24 2002-06-07 Moriyama Sangyo Kk 照明システム及び照明ユニット
US6888529B2 (en) 2000-12-12 2005-05-03 Koninklijke Philips Electronics N.V. Control and drive circuit arrangement for illumination performance enhancement with LED light sources
JP3766274B2 (ja) 2000-12-21 2006-04-12 株式会社東芝 時分割カラー表示装置および表示方法
JP2002231470A (ja) * 2001-02-05 2002-08-16 Pioneer Electronic Corp 発光ダイオード駆動回路
KR100845148B1 (ko) * 2002-07-03 2008-07-09 이노베이티브 솔루션즈 앤드 서포트 인코포레이티드 다양하게 조절할 수 있는 백라이트를 가지는 평면 패널디스플레이의 조명 방법 및 장치
US7148632B2 (en) 2003-01-15 2006-12-12 Luminator Holding, L.P. LED lighting system
FR2854252B1 (fr) * 2003-04-25 2005-08-05 Thales Sa Dispositif d'asservissement de parametres photo colorimetriques pour boite a lumiere a leds colorees
WO2004100624A2 (en) 2003-05-05 2004-11-18 Color Kinetics, Inc. Lighting methods and systems
US7515128B2 (en) * 2004-03-15 2009-04-07 Philips Solid-State Lighting Solutions, Inc. Methods and apparatus for providing luminance compensation
JP4496812B2 (ja) * 2004-03-18 2010-07-07 東芝ライテック株式会社 Led式照明装置
US6987787B1 (en) * 2004-06-28 2006-01-17 Rockwell Collins LED brightness control system for a wide-range of luminance control
JP4306657B2 (ja) * 2004-10-14 2009-08-05 ソニー株式会社 発光素子駆動装置および表示装置
KR101100881B1 (ko) 2004-11-04 2012-01-02 삼성전자주식회사 표시 장치용 광원의 구동 장치 및 표시 장치
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KR101329966B1 (ko) * 2009-09-22 2013-11-20 엘지디스플레이 주식회사 유기 발광 다이오드 표시 장치의 휘도 제어 장치 및 방법

Also Published As

Publication number Publication date
FR2976150B1 (fr) 2013-06-14
US9277617B2 (en) 2016-03-01
US20120306946A1 (en) 2012-12-06
JP2012253022A (ja) 2012-12-20
FR2976150A1 (fr) 2012-12-07
CN102810300A (zh) 2012-12-05
CN102810300B (zh) 2016-01-20
JP6057366B2 (ja) 2017-01-11

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