ATE476087T1 - Verfahren und ansteuerung zur festlegung von ansteuerwerten für die ansteuerung einer beleuchtungsvorrichtung - Google Patents

Verfahren und ansteuerung zur festlegung von ansteuerwerten für die ansteuerung einer beleuchtungsvorrichtung

Info

Publication number
ATE476087T1
ATE476087T1 AT07826984T AT07826984T ATE476087T1 AT E476087 T1 ATE476087 T1 AT E476087T1 AT 07826984 T AT07826984 T AT 07826984T AT 07826984 T AT07826984 T AT 07826984T AT E476087 T1 ATE476087 T1 AT E476087T1
Authority
AT
Austria
Prior art keywords
luminous flux
determining
differently colored
colored leds
weight ratio
Prior art date
Application number
AT07826984T
Other languages
English (en)
Inventor
Rijck Alexander C De
Woudenberg Roel Van
Henricus M Peeters
Peter H F Deurenberg
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 ATE476087T1 publication Critical patent/ATE476087T1/de

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
    • 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
    • G09G3/3406—Control of illumination source
    • G09G3/3413—Details of control of colour illumination sources
    • 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
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/20—Controlling the colour of the light
    • H05B45/22—Controlling the colour of the light using optical feedback
    • 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
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/20—Controlling the colour of the light
    • H05B45/28—Controlling the colour of the light using temperature feedback
    • 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
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30—Driver circuits
    • H05B45/37—Converter circuits
    • 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
    • G09G2320/04—Maintaining the quality of display appearance
    • G09G2320/041—Temperature compensation
    • 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
    • G09G2320/0666—Adjustment of display parameters for control of colour parameters, e.g. colour temperature
    • 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
    • G09G2320/0693—Calibration of display systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Led Devices (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Liquid Crystal (AREA)
AT07826984T 2006-11-10 2007-11-06 Verfahren und ansteuerung zur festlegung von ansteuerwerten für die ansteuerung einer beleuchtungsvorrichtung ATE476087T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP06123822 2006-11-10
PCT/IB2007/054494 WO2008056321A1 (en) 2006-11-10 2007-11-06 Method and driver for determining drive values for driving a lighting device

Publications (1)

Publication Number Publication Date
ATE476087T1 true ATE476087T1 (de) 2010-08-15

Family

ID=39203338

Family Applications (1)

Application Number Title Priority Date Filing Date
AT07826984T ATE476087T1 (de) 2006-11-10 2007-11-06 Verfahren und ansteuerung zur festlegung von ansteuerwerten für die ansteuerung einer beleuchtungsvorrichtung

Country Status (10)

Country Link
US (1) US8013533B2 (de)
EP (1) EP2082620B1 (de)
JP (1) JP5424888B2 (de)
CN (1) CN101536607B (de)
AT (1) ATE476087T1 (de)
BR (1) BRPI0718524B1 (de)
DE (1) DE602007008130D1 (de)
ES (1) ES2349297T3 (de)
TW (1) TWI439177B (de)
WO (1) WO2008056321A1 (de)

Families Citing this family (96)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050259424A1 (en) * 2004-05-18 2005-11-24 Zampini Thomas L Ii Collimating and controlling light produced by light emitting diodes
US7729941B2 (en) 2006-11-17 2010-06-01 Integrated Illumination Systems, Inc. Apparatus and method of using lighting systems to enhance brand recognition
US8013538B2 (en) 2007-01-26 2011-09-06 Integrated Illumination Systems, Inc. TRI-light
US8742686B2 (en) * 2007-09-24 2014-06-03 Integrated Illumination Systems, Inc. Systems and methods for providing an OEM level networked lighting system
US8255487B2 (en) * 2008-05-16 2012-08-28 Integrated Illumination Systems, Inc. Systems and methods for communicating in a lighting network
TW201004477A (en) 2008-06-10 2010-01-16 Microsemi Corp Analog Mixed Si Color manager for backlight systems operative at multiple current levels
WO2010011303A1 (en) * 2008-07-23 2010-01-28 Boundary Net, Incorporated Calibrating pixel elements
JP2010060746A (ja) * 2008-09-02 2010-03-18 Sharp Corp 液晶表示装置
JP2010066465A (ja) * 2008-09-10 2010-03-25 Mitsubishi Electric Corp 画像表示装置
US8022631B2 (en) * 2008-11-03 2011-09-20 General Electric Company Color control of light sources employing phosphors
DE102008057347A1 (de) * 2008-11-14 2010-05-20 Osram Opto Semiconductors Gmbh Optoelektronische Vorrichtung
TWI492657B (zh) * 2008-11-17 2015-07-11 艾杜雷控股有限公司 安裝發光二極體驅動器的方法，發光二極體驅動器，發光二極體組合以及控制發光二極體組合之方法
WO2010067292A2 (en) 2008-12-12 2010-06-17 Koninklijke Philips Electronics N.V. Method for maximizing the performance of a luminaire
US8339068B2 (en) * 2008-12-12 2012-12-25 Microchip Technology Incorporated LED brightness control by variable frequency modulation
US8339058B2 (en) * 2008-12-12 2012-12-25 Microchip Technology Incorporated Three-color RGB LED color mixing and control by variable frequency modulation
US8324830B2 (en) 2009-02-19 2012-12-04 Microsemi Corp.—Analog Mixed Signal Group Ltd. Color management for field-sequential LCD display
US8598793B2 (en) * 2011-05-12 2013-12-03 Ledengin, Inc. Tuning of emitter with multiple LEDs to a single color bin
US8585245B2 (en) 2009-04-23 2013-11-19 Integrated Illumination Systems, Inc. Systems and methods for sealing a lighting fixture
US8791655B2 (en) * 2009-05-09 2014-07-29 Innosys, Inc. LED lamp with remote control
ES2930370T3 (es) * 2009-10-08 2022-12-09 Delos Living Llc Sistema de iluminación LED
JP2011171006A (ja) * 2010-02-16 2011-09-01 Panasonic Electric Works Co Ltd 照明装置
JP2013521594A (ja) 2010-02-25 2013-06-10 ビーイー・エアロスペース・インコーポレーテッド Ｌｅｄ照明素子
WO2011106661A1 (en) 2010-02-25 2011-09-01 B/E Aerospace, Inc. Calibration method for led lighting systems
JP2013521171A (ja) * 2010-02-25 2013-06-10 ビーイー・エアロスペース・インコーポレーテッド 航空機ｌｅｄウォッシュライトシステムおよびその制御方法
US9345095B2 (en) 2010-04-08 2016-05-17 Ledengin, Inc. Tunable multi-LED emitter module
EP2557900A1 (de) * 2010-04-09 2013-02-13 Mitsubishi Chemical Corporation Lichtdämpfungsvorrichtung und led-beleuchtungssystem
KR20160124928A (ko) * 2010-06-18 2016-10-28 시카토, 인코포레이티드. 온-보드 진단을 수행하는 led 기반 조명 모듈
JP2013536406A (ja) * 2010-06-24 2013-09-19 コーニンクレッカ フィリップス エヌ ヴェ 最大光強度間の比率を決定するための相対的光束センサ及び方法、制御装置、色調整可能なランプ、照明器具、並びにコンピュータプログラム
US20120038291A1 (en) * 2010-08-13 2012-02-16 Ghulam Hasnain Color temperature tunable led light source
US8436549B2 (en) * 2010-08-13 2013-05-07 Bridgelux, Inc. Drive circuit for a color temperature tunable LED light source
JP4975856B2 (ja) 2010-09-24 2012-07-11 シャープ株式会社 照明装置用集積回路および照明装置
US9781808B2 (en) * 2010-12-02 2017-10-03 Martin Professional Aps Method of controlling an illumination device having a number of light source arrays
US20120138590A1 (en) * 2010-12-04 2012-06-07 Brosnan Daniel V Lighting system for use with a cooktop appliance and method for assembling the same
CN102541951A (zh) * 2010-12-31 2012-07-04 上海广茂达光艺科技股份有限公司 混合光的色度数据库建立方法以及混合光的实现方法
US8847513B2 (en) * 2011-03-08 2014-09-30 Cree, Inc. Method and apparatus for controlling light output color and/or brightness
US9066381B2 (en) 2011-03-16 2015-06-23 Integrated Illumination Systems, Inc. System and method for low level dimming
AT12749U1 (de) 2011-04-01 2012-10-15 Austria Tech & System Tech Leiterplattenelement mit wenigstens einer led
US9967940B2 (en) 2011-05-05 2018-05-08 Integrated Illumination Systems, Inc. Systems and methods for active thermal management
US8710770B2 (en) 2011-07-26 2014-04-29 Hunter Industries, Inc. Systems and methods for providing power and data to lighting devices
US20150237700A1 (en) 2011-07-26 2015-08-20 Hunter Industries, Inc. Systems and methods to control color and brightness of lighting devices
US11917740B2 (en) 2011-07-26 2024-02-27 Hunter Industries, Inc. Systems and methods for providing power and data to devices
US9521725B2 (en) 2011-07-26 2016-12-13 Hunter Industries, Inc. Systems and methods for providing power and data to lighting devices
CN103688593B (zh) * 2011-07-26 2016-08-17 皇家飞利浦有限公司 电流确定装置
US10874003B2 (en) 2011-07-26 2020-12-22 Hunter Industries, Inc. Systems and methods for providing power and data to devices
US9609720B2 (en) 2011-07-26 2017-03-28 Hunter Industries, Inc. Systems and methods for providing power and data to lighting devices
WO2013052403A1 (en) * 2011-10-02 2013-04-11 Cree, Inc. Temperature curve compensation offset
US9713226B2 (en) 2011-10-02 2017-07-18 Cree, Inc. Over-voltage handling of lighting device
US9140727B2 (en) * 2011-10-19 2015-09-22 Green Fitness Equipment Company, Llc Current monitor for indicating condition of attached electrical apparatus
US8884553B2 (en) * 2011-10-19 2014-11-11 Justin Hai Current monitor for indicating condition of attached electrical apparatus
WO2013057834A1 (ja) * 2011-10-21 2013-04-25 Ｎｅｃディスプレイソリューションズ株式会社 バックライト装置、及びバックライト制御方法
US20140062313A1 (en) * 2011-10-26 2014-03-06 Panasonic Corporation Lighting device and lighting fixture using the same
US9730294B2 (en) 2011-11-07 2017-08-08 GE Lighting Solutions, LLC Lighting device including a drive device configured for dimming light-emitting diodes
US11032884B2 (en) 2012-03-02 2021-06-08 Ledengin, Inc. Method for making tunable multi-led emitter module
US8894437B2 (en) 2012-07-19 2014-11-25 Integrated Illumination Systems, Inc. Systems and methods for connector enabling vertical removal
US10062334B2 (en) * 2012-07-31 2018-08-28 Apple Inc. Backlight dimming control for a display utilizing quantum dots
US9271379B2 (en) 2012-11-16 2016-02-23 Apple Inc. Redundant operation of a backlight unit of a display device under open circuit or short circuit LED string conditions
US9076357B2 (en) 2012-11-16 2015-07-07 Apple Inc. Redundant operation of a backlight unit of a display device under a shorted LED condition
US9379578B2 (en) 2012-11-19 2016-06-28 Integrated Illumination Systems, Inc. Systems and methods for multi-state power management
US9420665B2 (en) 2012-12-28 2016-08-16 Integration Illumination Systems, Inc. Systems and methods for continuous adjustment of reference signal to control chip
US9485814B2 (en) 2013-01-04 2016-11-01 Integrated Illumination Systems, Inc. Systems and methods for a hysteresis based driver using a LED as a voltage reference
US9992841B2 (en) 2013-04-19 2018-06-05 Lutron Electronics Co., Inc. Systems and methods for controlling color temperature
US9538603B2 (en) 2013-04-19 2017-01-03 Lutron Electronics Co., Inc. Systems and methods for controlling color temperature
US9013467B2 (en) 2013-07-19 2015-04-21 Institut National D'optique Controlled operation of a LED lighting system at a target output color
DE102013108552B4 (de) * 2013-08-08 2016-07-21 Insta Elektro Gmbh Steuerverfahren für eine Mischlichtquelle sowie Steuervorrichtung für eine Mischlichtquelle
DE102014111085A1 (de) * 2013-08-20 2015-02-26 Panasonic Corporation Beleuchtungsbaugruppe und diese verwendende Beleuchtungsvorrichtung
US9338851B2 (en) 2014-04-10 2016-05-10 Institut National D'optique Operation of a LED lighting system at a target output color using a color sensor
EP2955711B1 (de) 2014-05-09 2018-11-21 Ams Ag Verfahren zur Kalibrierung einer Farbraumtransformation, Verfahren zur Farbraumtransformation und Farbkontrollsystem
CN105101516A (zh) * 2014-05-21 2015-11-25 常州市武进区半导体照明应用技术研究院 灯具调节方法和装置
WO2016042511A2 (en) * 2014-09-18 2016-03-24 Mantisvision Ltd. Emitter angle control for laser projector
US9642206B2 (en) 2014-11-26 2017-05-02 Ledengin, Inc. Compact emitter for warm dimming and color tunable lamp
CN104540269B (zh) * 2014-12-08 2017-06-16 闽南师范大学 一种混合白光led照明系统及其照度及色温的控制方法
TWI550582B (zh) * 2015-01-19 2016-09-21 天鈺科技股份有限公司 顯示裝置
US10918030B2 (en) 2015-05-26 2021-02-16 Hunter Industries, Inc. Decoder systems and methods for irrigation control
US10228711B2 (en) 2015-05-26 2019-03-12 Hunter Industries, Inc. Decoder systems and methods for irrigation control
US10030844B2 (en) 2015-05-29 2018-07-24 Integrated Illumination Systems, Inc. Systems, methods and apparatus for illumination using asymmetrical optics
US10060599B2 (en) 2015-05-29 2018-08-28 Integrated Illumination Systems, Inc. Systems, methods and apparatus for programmable light fixtures
US9560714B1 (en) * 2016-02-25 2017-01-31 Morten Hjerde Color temperature adjustable, LED based, white light source
CN105848339B (zh) * 2016-04-08 2018-08-10 厦门大学 一种多基色led照明光源智能调光调色方法及装置
EP3590307B1 (de) * 2017-02-28 2023-09-27 Quarkstar LLC Lebensdauer-farbstabilisierung von farbwechselnden künstlichen lichtquellen
WO2019130753A1 (ja) * 2017-12-27 2019-07-04 オリンパス株式会社 光源装置
US10575374B2 (en) 2018-03-09 2020-02-25 Ledengin, Inc. Package for flip-chip LEDs with close spacing of LED chips
JP2019204888A (ja) * 2018-05-24 2019-11-28 日亜化学工業株式会社 発光モジュール及び制御モジュール
US11272599B1 (en) 2018-06-22 2022-03-08 Lutron Technology Company Llc Calibration procedure for a light-emitting diode light source
CN109413814A (zh) * 2018-09-28 2019-03-01 安徽独角仙信息科技有限公司 一种基于温度和亮度调节的智能化灯具调控系统
US11404610B2 (en) 2019-05-22 2022-08-02 Electronic Theatre Controls, Inc. Light fixture with broadband and narrow band emitters
CN110784960B (zh) * 2019-08-14 2021-08-03 杭州新湖电子有限公司 一种全彩led复合光源及复合方法
US10801714B1 (en) 2019-10-03 2020-10-13 CarJamz, Inc. Lighting device
CN110856307B (zh) * 2019-11-21 2021-07-23 哈尔滨工业大学（深圳） Rgb混色系统光通量以及色度坐标跟踪控制方法
CN113329540B (zh) * 2020-02-28 2024-08-23 松下知识产权经营株式会社 过渡调色调光方法以及照明装置
WO2021249975A1 (en) * 2020-06-09 2021-12-16 Signify Holding B.V. A method of controlling a lighting emitting diode lighting device and a light emitting diode, led, based lighting device
US11109468B1 (en) * 2020-10-22 2021-08-31 Lumileds Llc Lighting apparatus with reduced abrupt brightness changes
CN116631306B (zh) * 2022-07-21 2024-02-23 宜宾市极米光电有限公司 亮度调节方法、装置、显示设备和存储介质
US12416908B2 (en) 2022-12-29 2025-09-16 Integrated Illumination Systems, Inc. Systems and methods for manufacturing light fixtures
US12297996B2 (en) 2023-02-16 2025-05-13 Integrated Illumination Systems, Inc. Cove light fixture with hidden integrated air return
CN118692360A (zh) * 2023-03-22 2024-09-24 华为技术有限公司 一种显示装置、画面调整方法及设备
CN117769078A (zh) * 2023-11-17 2024-03-26 漳州立达信光电子科技有限公司 灯光占空比的计算方法、装置、终端及存储介质

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0418466U (de) * 1990-06-06 1992-02-17
JP3485654B2 (ja) * 1994-11-28 2004-01-13 三洋電機株式会社 表示装置の調整方法
KR100389469B1 (ko) * 2000-03-31 2003-06-25 홍삼표 발광 전구
US7202613B2 (en) * 2001-05-30 2007-04-10 Color Kinetics Incorporated Controlled lighting methods and apparatus
US6441558B1 (en) * 2000-12-07 2002-08-27 Koninklijke Philips Electronics N.V. White LED luminary light control system
US6841947B2 (en) 2002-05-14 2005-01-11 Garmin At, Inc. Systems and methods for controlling brightness of an avionics display
JP2004335853A (ja) * 2003-05-09 2004-11-25 Nichia Chem Ind Ltd フレキシブル半導体発光装置
JP2005260116A (ja) * 2004-03-15 2005-09-22 Sony Corp 発光素子の駆動回路及び画像表示装置
DE102004023186A1 (de) 2004-05-11 2005-12-08 Siemens Ag Verfahren zum Einstellen eines Farbortes eines von einer LED-Lichtquelle emittierten Lichts
JP4694801B2 (ja) * 2004-08-11 2011-06-08 三洋電機株式会社 Ｌｅｄ制御回路
JP2006147171A (ja) * 2004-11-16 2006-06-08 Yokogawa Electric Corp 光源装置
JP4539492B2 (ja) * 2004-11-19 2010-09-08 ソニー株式会社 バックライト装置、バックライト駆動方法及び液晶表示装置
WO2006069117A2 (en) 2004-12-20 2006-06-29 Color Kinetics Incorporated Methods and apparatus for controlled lighting based on a reference gamut
JP2006186277A (ja) * 2004-12-28 2006-07-13 Sanyo Electric Co Ltd 発光素子駆動装置
JP4574417B2 (ja) * 2005-03-31 2010-11-04 シャープ株式会社 光源モジュール、バックライトユニット、液晶表示装置
US7696964B2 (en) * 2006-06-09 2010-04-13 Philips Lumileds Lighting Company, Llc LED backlight for LCD with color uniformity recalibration over lifetime
ATE515924T1 (de) * 2007-12-07 2011-07-15 Koninkl Philips Electronics Nv Led-lampenfarbensteuersystem und verfahren

Also Published As

Publication number Publication date
DE602007008130D1 (de) 2010-09-09
JP2010509765A (ja) 2010-03-25
ES2349297T3 (es) 2010-12-29
CN101536607A (zh) 2009-09-16
WO2008056321A1 (en) 2008-05-15
US8013533B2 (en) 2011-09-06
CN101536607B (zh) 2012-09-19
EP2082620B1 (de) 2010-07-28
TWI439177B (zh) 2014-05-21
US20100072901A1 (en) 2010-03-25
BRPI0718524B1 (pt) 2018-09-25
EP2082620A1 (de) 2009-07-29
TW200836586A (en) 2008-09-01
JP5424888B2 (ja) 2014-02-26
BRPI0718524A2 (pt) 2013-11-26

Similar Documents

Publication Publication Date Title
ATE476087T1 (de) Verfahren und ansteuerung zur festlegung von ansteuerwerten für die ansteuerung einer beleuchtungsvorrichtung
ATE356528T1 (de) Benutzerschnittstelle zur kontrolle von leuchtdioden
WO2009058297A3 (en) Led light controller system and method
EP2658348A3 (de) System und Verfahren zur Steuerung von LED-Segmenten zur Bereitstellung von Beleuchtungseffekten
MX2007008199A (es) Metodo y aparato para almacenar y definir muestras de luz.
WO2012162510A3 (en) Controlling the light output of one or more leds in response to the output of a dimmer
WO2007035883A3 (en) Driving parallel strings of series connected leds
JP2014527268A5 (de)
EP4258820A4 (de) Led-beleuchtungsschaltung, zeitliche dimmerschaltung und steuerungsverfahren auf basis von pwm
TW200707070A (en) Light emitting diode (LED) illumination control system and method
AT516515A5 (de) Schaltung zum betrieb von leuchtdioden (leds)
WO2007111735A3 (en) Microscope with led illumination source
US20130020956A1 (en) Correlated color temperature control methods and devices
TW200951345A (en) Device and method for controlling the color point of an LED light source
SG144801A1 (en) Lighting-control system
EP2916621A3 (de) Hybride Dimmersteuerungstechniken zur Beleuchtung von Treibern
EP2747517A3 (de) Beleuchtungsvorrichtung und Beleuchtungssystem
JP2008210855A (ja) Ｌｅｄ制御システム
JP2014078374A5 (de)
KR20130066666A (ko) 발광다이오드 점등장치, 조명장치 및 조명방법
EP2461651A3 (de) Verfahren zur Steuerung von Lampen und Steuerung dafür
JP2008225188A5 (de)
ATE387077T1 (de) Verfahren zur ansteuerung einer elektrischen lichtquelle durch pulsweitenmodulation
JP5016322B2 (ja) Ｌｅｄ制御システム
KR101648097B1 (ko) 엘이디 조명 제어장치

Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification

Ref document number: 2082620

Country of ref document: EP