ATE326127T1 - Pwm-steuerung von arrays auf led-basis - Google Patents

Pwm-steuerung von arrays auf led-basis

Info

Publication number
ATE326127T1
ATE326127T1 AT02800685T AT02800685T ATE326127T1 AT E326127 T1 ATE326127 T1 AT E326127T1 AT 02800685 T AT02800685 T AT 02800685T AT 02800685 T AT02800685 T AT 02800685T AT E326127 T1 ATE326127 T1 AT E326127T1
Authority
AT
Austria
Prior art keywords
led
current
pwm pulse
light output
peak
Prior art date
Application number
AT02800685T
Other languages
English (en)
Inventor
Subramanian Muthu
Frank J P Schuurmans
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 ATE326127T1 publication Critical patent/ATE326127T1/de

Links

Classifications

    • 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

Landscapes

  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Led Devices (AREA)
  • Dot-Matrix Printers And Others (AREA)
  • Light Sources And Details Of Projection-Printing Devices (AREA)
AT02800685T 2001-10-05 2002-09-30 Pwm-steuerung von arrays auf led-basis ATE326127T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/972,111 US6596977B2 (en) 2001-10-05 2001-10-05 Average light sensing for PWM control of RGB LED based white light luminaries

Publications (1)

Publication Number Publication Date
ATE326127T1 true ATE326127T1 (de) 2006-06-15

Family

ID=25519176

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02800685T ATE326127T1 (de) 2001-10-05 2002-09-30 Pwm-steuerung von arrays auf led-basis

Country Status (8)

Country Link
US (1) US6596977B2 (de)
EP (1) EP1438877B1 (de)
JP (1) JP4317751B2 (de)
CN (1) CN100403858C (de)
AT (1) ATE326127T1 (de)
DE (1) DE60211366T2 (de)
TW (1) TWI226208B (de)
WO (1) WO2003032689A1 (de)

Families Citing this family (153)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7113541B1 (en) 1997-08-26 2006-09-26 Color Kinetics Incorporated Method for software driven generation of multiple simultaneous high speed pulse width modulated signals
US20030133292A1 (en) 1999-11-18 2003-07-17 Mueller George G. Methods and apparatus for generating and modulating white light illumination conditions
US7038398B1 (en) 1997-08-26 2006-05-02 Color Kinetics, Incorporated Kinetic illumination system and methods
US7014336B1 (en) 1999-11-18 2006-03-21 Color Kinetics Incorporated Systems and methods for generating and modulating illumination conditions
US6720745B2 (en) * 1997-08-26 2004-04-13 Color Kinetics, Incorporated Data delivery track
US6965205B2 (en) 1997-08-26 2005-11-15 Color Kinetics Incorporated Light emitting diode based products
US6806659B1 (en) 1997-08-26 2004-10-19 Color Kinetics, Incorporated Multicolored LED lighting method and apparatus
US7598686B2 (en) 1997-12-17 2009-10-06 Philips Solid-State Lighting Solutions, Inc. Organic light emitting diode methods and apparatus
US7202613B2 (en) 2001-05-30 2007-04-10 Color Kinetics Incorporated Controlled lighting methods and apparatus
US7303300B2 (en) 2000-09-27 2007-12-04 Color Kinetics Incorporated Methods and systems for illuminating household products
US7038399B2 (en) 2001-03-13 2006-05-02 Color Kinetics Incorporated Methods and apparatus for providing power to lighting devices
US7358679B2 (en) 2002-05-09 2008-04-15 Philips Solid-State Lighting Solutions, Inc. Dimmable LED-based MR16 lighting apparatus and methods
DE60325042D1 (de) * 2002-05-09 2009-01-15 Philips Solid State Lighting Led dimmersteuerung
US7300192B2 (en) 2002-10-03 2007-11-27 Color Kinetics Incorporated Methods and apparatus for illuminating environments
EP1411751B1 (de) * 2002-10-14 2012-05-30 Philips Lumileds Lighting Company LLC Steuerkreis für LEDs
TWI248598B (en) * 2002-12-31 2006-02-01 Hon Hai Prec Ind Co Ltd Driving apparatus of LED
ATE376694T1 (de) * 2002-12-31 2007-11-15 Datalogic Spa Methode zum lesen von graphischer muster und erfassung seines bildes
TWI255670B (en) * 2002-12-31 2006-05-21 Hon Hai Prec Ind Co Ltd Driving apparatus of cold cathode fluorescent lamp
EP1620676A4 (de) 2003-05-05 2011-03-23 Philips Solid State Lighting Beleuchtungsverfahren und -systeme
US7071633B2 (en) * 2003-07-10 2006-07-04 Trafcon Industries, Inc. Burst pulse circuit for signal lights and method
US7119500B2 (en) * 2003-12-05 2006-10-10 Dialight Corporation Dynamic color mixing LED device
US7128421B2 (en) * 2004-03-29 2006-10-31 Infocus Corporation Thermal management of projection apparatus
US20050259424A1 (en) 2004-05-18 2005-11-24 Zampini Thomas L Ii Collimating and controlling light produced by light emitting diodes
EP1754212A1 (de) * 2004-05-25 2007-02-21 Koninklijke Philips Electronics N.V. Ansteuern einer elektrolumineszierenden anzeige
JP4279738B2 (ja) * 2004-07-22 2009-06-17 リンテック株式会社 紫外線照射装置
CN100482014C (zh) * 2004-07-23 2009-04-22 皇家飞利浦电子股份有限公司 固态照明单元的温度优先颜色控制系统
US7332699B2 (en) * 2004-07-23 2008-02-19 Avago Technologies Ecbu Ip (Singapore) Pte Ltd Feed-forward methods and apparatus for setting the light intensities of one or more LEDs
US7324076B2 (en) * 2004-07-28 2008-01-29 Avago Technologies Ecbu Ip (Singapore) Pte. Ltd. Methods and apparatus for setting the color point of an LED light source
DE102004042676A1 (de) * 2004-09-01 2006-03-02 Conti Temic Microelectronic Gmbh Verfahren zur Ansteuerung einer elektrischen Lichtquelle durch Pulsweitenmodulation
US7759622B2 (en) * 2004-09-10 2010-07-20 Avago Technologies Ecbu Ip (Singapore) Pte. Ltd. Methods and apparatus for regulating the drive currents of a plurality of light emitters
EP1659830B1 (de) * 2004-11-23 2008-08-06 Dialog Semiconductor GmbH Kombinierter exponentieller und linearer RGB LED-Stromsenkender Digital-Analaog-Wandler
EP1837844A4 (de) * 2005-01-12 2011-06-08 Waikei Huen Halbleiterlampe
US8016470B2 (en) * 2007-10-05 2011-09-13 Dental Equipment, Llc LED-based dental exam lamp with variable chromaticity
US7619193B2 (en) * 2005-06-03 2009-11-17 Koninklijke Philips Electronics N.V. System and method for controlling a LED luminary
US7652237B2 (en) 2005-07-14 2010-01-26 Koninklijke Philips Electronics, N.V. Color point control system for LED lighting and related methods
US7767947B2 (en) * 2005-09-20 2010-08-03 Downing Jr John P Semiconductor light source with optical feedback
DE102005061204A1 (de) * 2005-12-21 2007-07-05 Perkinelmer Elcos Gmbh Beleuchtungsvorrichtung, Beleuchtungssteuergerät und Beleuchtungssystem
US8791645B2 (en) 2006-02-10 2014-07-29 Honeywell International Inc. Systems and methods for controlling light sources
JP2007287964A (ja) * 2006-04-18 2007-11-01 Sony Corp 発光素子用駆動装置、発光装置及びその駆動方法
US8159150B2 (en) * 2006-04-21 2012-04-17 Koninklijke Philips Electronics N.V. Method and apparatus for light intensity control
US7766511B2 (en) 2006-04-24 2010-08-03 Integrated Illumination Systems LED light fixture
US20080043464A1 (en) * 2006-08-17 2008-02-21 Ian Ashdown Bi-Chromatic Illumination Apparatus
US20080048582A1 (en) * 2006-08-28 2008-02-28 Robinson Shane P Pwm method and apparatus, and light source driven thereby
TWI323141B (en) * 2006-09-15 2010-04-01 Coretronic Corp Method of remedying a plurality of monochromatic light from a plurality of light-emitting diodes and the light-emitting diode control system utilizing the method
TWI316369B (en) * 2006-09-28 2009-10-21 Coretronic Corp Light source system having an led and driving method thereof
US20100315623A1 (en) * 2006-10-27 2010-12-16 Koninklijke Philips Electronics N.V. Method and device for measuring a flux of a selected individual light source among a plurality of light sources
US7729941B2 (en) 2006-11-17 2010-06-01 Integrated Illumination Systems, Inc. Apparatus and method of using lighting systems to enhance brand recognition
JP5117709B2 (ja) * 2006-12-04 2013-01-16 リンテック株式会社 紫外線照射装置及び紫外線照射方法
US7944153B2 (en) * 2006-12-15 2011-05-17 Intersil Americas Inc. Constant current light emitting diode (LED) driver circuit and method
US8013538B2 (en) 2007-01-26 2011-09-06 Integrated Illumination Systems, Inc. TRI-light
DE102007004834A1 (de) * 2007-01-31 2008-08-14 Airbus Deutschland Gmbh Lichtgerät und Verfahren zur Realisierung einer gewünschten Farbmischung
EP2469151B1 (de) * 2007-05-08 2018-08-29 Cree, Inc. Beleuchtungsvorrichtungen und Beleuchtungsverfahren
CN101663917B (zh) * 2007-06-22 2012-03-21 欧司朗股份有限公司 半导体光源的前馈控制
KR101517355B1 (ko) * 2007-07-16 2015-05-04 코닌클리케 필립스 엔.브이. 광원 구동
EP2174531B1 (de) * 2007-07-23 2013-06-05 Koninklijke Philips Electronics N.V. Anordnung einer lichtemittierenden einheit sowie steuerungssystem und -verfahren dafür
US8552659B2 (en) * 2007-08-07 2013-10-08 Koninklijke Philips N.V. Method and apparatus for discriminating modulated light in a mixed light system
DE102007038892A1 (de) * 2007-08-17 2009-04-09 Texas Instruments Deutschland Gmbh Hochgeschwindigkeits-LED-Treiber
DE102007042768B4 (de) * 2007-09-07 2009-12-31 Diehl Aerospace Gmbh Verfahren und Einrichtung zum Abstrahlen von Mischlichtfarben
US8742686B2 (en) 2007-09-24 2014-06-03 Integrated Illumination Systems, Inc. Systems and methods for providing an OEM level networked lighting system
JP5007650B2 (ja) 2007-10-16 2012-08-22 ソニー株式会社 表示装置、表示装置の光量調整方法ならびに電子機器
US8118447B2 (en) 2007-12-20 2012-02-21 Altair Engineering, Inc. LED lighting apparatus with swivel connection
US7712918B2 (en) 2007-12-21 2010-05-11 Altair Engineering , Inc. Light distribution using a light emitting diode assembly
CN101990786A (zh) * 2008-01-17 2011-03-23 皇家飞利浦电子股份有限公司 用于光强度控制的方法和装置
US8915609B1 (en) 2008-03-20 2014-12-23 Cooper Technologies Company Systems, methods, and devices for providing a track light and portable light
CN102037278B (zh) 2008-03-20 2015-04-08 美国航易明国际有限公司 照明设备与装置
RU2010150342A (ru) * 2008-05-09 2012-06-20 Конинклейке Филипс Электроникс Н.В. (Nl) Устройство и способ управления цветовой точкой светодиодного источника света
US8255487B2 (en) 2008-05-16 2012-08-28 Integrated Illumination Systems, Inc. Systems and methods for communicating in a lighting network
US8360599B2 (en) 2008-05-23 2013-01-29 Ilumisys, Inc. Electric shock resistant L.E.D. based light
US20100007588A1 (en) * 2008-07-09 2010-01-14 Adaptive Micro Systems Llc System and method for led degradation and temperature compensation
US7976196B2 (en) 2008-07-09 2011-07-12 Altair Engineering, Inc. Method of forming LED-based light and resulting LED-based light
US7946729B2 (en) 2008-07-31 2011-05-24 Altair Engineering, Inc. Fluorescent tube replacement having longitudinally oriented LEDs
US20100045190A1 (en) * 2008-08-20 2010-02-25 White Electronic Designs Corporation Led backlight
US8674626B2 (en) 2008-09-02 2014-03-18 Ilumisys, Inc. LED lamp failure alerting system
US8256924B2 (en) 2008-09-15 2012-09-04 Ilumisys, Inc. LED-based light having rapidly oscillating LEDs
US8214084B2 (en) 2008-10-24 2012-07-03 Ilumisys, Inc. Integration of LED lighting with building controls
US8901823B2 (en) 2008-10-24 2014-12-02 Ilumisys, Inc. Light and light sensor
US7938562B2 (en) 2008-10-24 2011-05-10 Altair Engineering, Inc. Lighting including integral communication apparatus
US8324817B2 (en) 2008-10-24 2012-12-04 Ilumisys, Inc. Light and light sensor
US8444292B2 (en) 2008-10-24 2013-05-21 Ilumisys, Inc. End cap substitute for LED-based tube replacement light
US8653984B2 (en) 2008-10-24 2014-02-18 Ilumisys, Inc. Integration of LED lighting control with emergency notification systems
US8232742B2 (en) 2008-11-27 2012-07-31 Arkalumen Inc. Method, apparatus and computer-readable media for controlling lighting devices
US8339058B2 (en) * 2008-12-12 2012-12-25 Microchip Technology Incorporated Three-color RGB LED color mixing and control by variable frequency modulation
US8556452B2 (en) 2009-01-15 2013-10-15 Ilumisys, Inc. LED lens
US8362710B2 (en) 2009-01-21 2013-01-29 Ilumisys, Inc. Direct AC-to-DC converter for passive component minimization and universal operation of LED arrays
US8664880B2 (en) 2009-01-21 2014-03-04 Ilumisys, Inc. Ballast/line detection circuit for fluorescent replacement lamps
US8585245B2 (en) 2009-04-23 2013-11-19 Integrated Illumination Systems, Inc. Systems and methods for sealing a lighting fixture
TWI425878B (zh) * 2009-05-08 2014-02-01 My Semi Inc 發光二極體的驅動電路
US8330381B2 (en) 2009-05-14 2012-12-11 Ilumisys, Inc. Electronic circuit for DC conversion of fluorescent lighting ballast
US7956546B2 (en) * 2009-05-15 2011-06-07 Bridgelux, Inc. Modular LED light bulb
TW201043098A (en) * 2009-05-18 2010-12-01 Young Optics Inc Light-emitting apparatus and control method thereof
US8299695B2 (en) 2009-06-02 2012-10-30 Ilumisys, Inc. Screw-in LED bulb comprising a base having outwardly projecting nodes
CN101932165B (zh) * 2009-06-19 2013-07-24 扬明光学股份有限公司 发光装置及其控制方法
CA2765200A1 (en) 2009-06-23 2011-01-13 Altair Engineering, Inc. Illumination device including leds and a switching power control system
DE102010001798B4 (de) * 2010-02-11 2012-10-31 Osram Ag Verfahren zum Betreiben einer Leuchtdiodenanordnung sowie Schaltanordnung
CA2794512A1 (en) 2010-03-26 2011-09-29 Ilumisys, Inc. Led light tube with dual sided light distribution
WO2011119958A1 (en) 2010-03-26 2011-09-29 Altair Engineering, Inc. Inside-out led bulb
US8541958B2 (en) 2010-03-26 2013-09-24 Ilumisys, Inc. LED light with thermoelectric generator
KR101133497B1 (ko) 2010-04-30 2012-04-05 매그나칩 반도체 유한회사 백라이트용 ｌｅｄ 구동 회로 및 방법과 백라이트 구동장치
US8564214B2 (en) 2010-05-11 2013-10-22 Arkalumen Inc. Circuits for sensing current levels within lighting apparatus
US9086435B2 (en) 2011-05-10 2015-07-21 Arkalumen Inc. Circuits for sensing current levels within a lighting apparatus incorporating a voltage converter
US9089024B2 (en) 2010-05-11 2015-07-21 Arkalumen Inc. Methods and apparatus for changing a DC supply voltage applied to a lighting circuit
NL2004990C2 (en) 2010-06-28 2011-12-29 Eldolab Holding Bv Led driver and method of controlling an led assembly.
US8454193B2 (en) 2010-07-08 2013-06-04 Ilumisys, Inc. Independent modules for LED fluorescent light tube replacement
US8596813B2 (en) 2010-07-12 2013-12-03 Ilumisys, Inc. Circuit board mount for LED light tube
US8502452B2 (en) 2010-07-28 2013-08-06 Usl Technologies, Llc High-stability light source system and method of manufacturing
US8614550B2 (en) * 2010-09-17 2013-12-24 Simplexgrinnell Lp Supervision for a light display device
EP2633227B1 (de) 2010-10-29 2018-08-29 iLumisys, Inc. Mechanismen zur minimierung des risikos von elektroschocks während der installation einer lichtröhre
US8870415B2 (en) 2010-12-09 2014-10-28 Ilumisys, Inc. LED fluorescent tube replacement light with reduced shock hazard
US9192009B2 (en) 2011-02-14 2015-11-17 Arkalumen Inc. Lighting apparatus and method for detecting reflected light from local objects
US9066381B2 (en) 2011-03-16 2015-06-23 Integrated Illumination Systems, Inc. System and method for low level dimming
CA2867678C (en) 2011-03-16 2016-06-14 Arkalumen Inc. Lighting apparatus and methods for controlling lighting apparatus using ambient light levels
US8939604B2 (en) 2011-03-25 2015-01-27 Arkalumen Inc. Modular LED strip lighting apparatus
US9967940B2 (en) 2011-05-05 2018-05-08 Integrated Illumination Systems, Inc. Systems and methods for active thermal management
US9060400B2 (en) 2011-07-12 2015-06-16 Arkalumen Inc. Control apparatus incorporating a voltage converter for controlling lighting apparatus
US10874003B2 (en) 2011-07-26 2020-12-22 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
US20150237700A1 (en) 2011-07-26 2015-08-20 Hunter Industries, Inc. Systems and methods to control color and brightness of lighting devices
US9609720B2 (en) 2011-07-26 2017-03-28 Hunter Industries, Inc. Systems and methods for providing power and data to lighting devices
US8710770B2 (en) 2011-07-26 2014-04-29 Hunter Industries, Inc. Systems and methods for providing power and data to lighting devices
US11917740B2 (en) 2011-07-26 2024-02-27 Hunter Industries, Inc. Systems and methods for providing power and data to devices
DE102011080587A1 (de) * 2011-08-08 2013-02-14 Lenze Se Verfahren zum Messen eines mittels eines Frequenzumrichters erzeugten analogen Signals
US9072171B2 (en) 2011-08-24 2015-06-30 Ilumisys, Inc. Circuit board mount for LED light
WO2013131002A1 (en) 2012-03-02 2013-09-06 Ilumisys, Inc. Electrical connector header for an led-based light
US20130335093A1 (en) * 2012-06-13 2013-12-19 Diehl Aerospace Gmbh Method for measuring the light properties of light-emitting diodes
JP6165245B2 (ja) * 2012-06-27 2017-07-19 フィリップス ライティング ホールディング ビー ヴィ 照明ユニットの光出力を自動的に適合させるための方法及び装置
WO2014008463A1 (en) 2012-07-06 2014-01-09 Ilumisys, Inc. Power supply assembly for led-based light tube
US9271367B2 (en) 2012-07-09 2016-02-23 Ilumisys, Inc. System and method for controlling operation of an LED-based light
US8894437B2 (en) 2012-07-19 2014-11-25 Integrated Illumination Systems, Inc. Systems and methods for connector enabling vertical removal
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
US9285084B2 (en) 2013-03-14 2016-03-15 Ilumisys, Inc. Diffusers for LED-based lights
US9267650B2 (en) 2013-10-09 2016-02-23 Ilumisys, Inc. Lens for an LED-based light
EP3097748A1 (de) 2014-01-22 2016-11-30 iLumisys, Inc. Beleuchtung auf led-basis mit adressierten leds
US9510400B2 (en) 2014-05-13 2016-11-29 Ilumisys, Inc. User input systems for an LED-based light
US9866990B2 (en) 2014-05-28 2018-01-09 Technical Consumer Products, Inc. System and method for simultaneous wireless control of multiple peripheral devices
US9992836B2 (en) 2015-05-05 2018-06-05 Arkawmen Inc. Method, system and apparatus for activating a lighting module using a buffer load module
US10225904B2 (en) 2015-05-05 2019-03-05 Arkalumen, Inc. Method and apparatus for controlling a lighting module based on a constant current level from a power source
US10568180B2 (en) 2015-05-05 2020-02-18 Arkalumen Inc. Method and apparatus for controlling a lighting module having a plurality of LED groups
US9775211B2 (en) 2015-05-05 2017-09-26 Arkalumen Inc. Circuit and apparatus for controlling a constant current DC driver output
US9992829B2 (en) 2015-05-05 2018-06-05 Arkalumen Inc. Control apparatus and system for coupling a lighting module to a constant current DC driver
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
US10161568B2 (en) 2015-06-01 2018-12-25 Ilumisys, Inc. LED-based light with canted outer walls
EP3280228B1 (de) 2016-08-01 2019-07-10 OSRAM GmbH Beleuchtungssystem und zugehöriges verfahren zum betrieb eines beleuchtungssystems
USD857979S1 (en) 2018-03-05 2019-08-27 Intellytech Llc Foldable light emitting mat
USD857980S1 (en) 2018-04-05 2019-08-27 Intellytech Llc Foldable light emitting mat
US10801714B1 (en) 2019-10-03 2020-10-13 CarJamz, Inc. Lighting device
DE102020124960A1 (de) * 2020-09-24 2022-03-24 HELLA GmbH & Co. KGaA Beleuchtungsvorrichtung für ein Kraftfahrzeug, insbesondere hochauflösender Scheinwerfer
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

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2714564B1 (fr) * 1993-12-28 1996-02-09 Etat Francais Labo Cl Ponts Ch Procédé de commande d'une source lumineuse, moyens pour la mise en Óoeuvre de ce procédé et dispositif équipé des dits moyens.
US5783909A (en) * 1997-01-10 1998-07-21 Relume Corporation Maintaining LED luminous intensity
US6127783A (en) * 1998-12-18 2000-10-03 Philips Electronics North America Corp. LED luminaire with electronically adjusted color balance
MXPA01010039A (es) * 2000-02-03 2002-07-30 Koninkl Philips Electronics Nv Ensamble de abastecimiento para un modulo de iluminacion led.
DE10013208A1 (de) * 2000-03-17 2001-09-20 Tridonic Bauelemente Gmbh Dorn Ansteuerung von Leuchtdioden (LED`s)
JP2001350439A (ja) * 2000-06-06 2001-12-21 Sony Corp 変調回路およびこれを用いた画像表示装置

Also Published As

Publication number Publication date
CN100403858C (zh) 2008-07-16
EP1438877A1 (de) 2004-07-21
EP1438877B1 (de) 2006-05-10
CN1565147A (zh) 2005-01-12
US6596977B2 (en) 2003-07-22
DE60211366D1 (de) 2006-06-14
JP4317751B2 (ja) 2009-08-19
DE60211366T2 (de) 2007-02-08
WO2003032689A1 (en) 2003-04-17
US20030066945A1 (en) 2003-04-10
TWI226208B (en) 2005-01-01
JP2005505940A (ja) 2005-02-24

Similar Documents

Publication Publication Date Title
ATE326127T1 (de) Pwm-steuerung von arrays auf led-basis
AT516703A5 (de) Vorrichtung und verfahren zur steuerung der lichtabgabe
RU2010149818A (ru) Устройство возбуждения led
WO2011047110A3 (en) Dimmer decoder with improved efficiency for use with led drivers
WO2005015957A3 (en) Power supply for led airfield lighting
DE102006037292A1 (de) Kalibriertes LED-Lichtmodul
EP1741384A3 (de) System zur Leistungseinstellung für eine medizinische Vorrichtung
RU2009149463A (ru) Способ и система для предоставления световых и физиологических раздражителей
RU2005120489A (ru) Регулятор светодиода и способ управления светодиодом
RU2010128098A (ru) Cистема и способ управления цветом сид лампы
WO2002052902A3 (en) Led luminaire with electrically adjusted color balance
EP1679576A3 (de) Verfahren, System und Kalibriertechnik für Leistungsmessung und -verwaltung über mehrfache Zeitrahmen
ATE463212T1 (de) Vibrierende vorrichtung für einen menschlichen körper mit einem automatischen stromanpassungssystem
JP2015535128A5 (de)
CN106455266B (zh) 一种色温调节装置及方法
RU2002109579A (ru) Устройство для исследования параметров инерционности зрительной системы человека
RU2003112514A (ru) Регулятор температуры
DE50007039D1 (de) Lichthärtgerät
EP1531540A3 (de) Stromversorgungsgerät
ATE366506T1 (de) Verfahren und anordnung zur steuerung der helligkeit einer glühlampe, und eine lichtquelle mit einer glühlampe
CN105848338B (zh) 一种普通光敏传感器的高精度实现方法
DE102005008577A1 (de) Auswertung der Ausgangsgröße eines Luftmassendurchflusssensors
DE602005001404D1 (de) Regelung der Lichtintensität von LEDs hoher Leistung mittels der Eigenschaften des photoelektrischen Effekts dieser LEDs
KR102034981B1 (ko) Ｌｅｄ 구동 회로 및 이를 이용한 조명 장치
SU1041946A1 (ru) Индикатор уровн напр жени посто нного тока

Legal Events

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