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DE60306624D1 - Schaltung um ein leuchtdiodenfeld anzusteuern - Google Patents

Schaltung um ein leuchtdiodenfeld anzusteuern

Info

Publication number
DE60306624D1
DE60306624D1 DE60306624T DE60306624T DE60306624D1 DE 60306624 D1 DE60306624 D1 DE 60306624D1 DE 60306624 T DE60306624 T DE 60306624T DE 60306624 T DE60306624 T DE 60306624T DE 60306624 D1 DE60306624 D1 DE 60306624D1
Authority
DE
Germany
Prior art keywords
circuit
control
lighting diode
modulation
diode field
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 - Lifetime
Application number
DE60306624T
Other languages
English (en)
Other versions
DE60306624T2 (de
Inventor
H Wessels
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke 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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Application granted granted Critical
Publication of DE60306624D1 publication Critical patent/DE60306624D1/de
Publication of DE60306624T2 publication Critical patent/DE60306624T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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]
    • H05B45/10—Controlling the intensity of the light
    • H05B45/14—Controlling the intensity of the light using electrical feedback from LEDs or from LED modules
    • 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
    • G09G3/22—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 using controlled light sources
    • G09G3/30—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 using controlled light sources using electroluminescent panels
    • G09G3/32—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
    • 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
    • H05B45/32—Pulse-control circuits
    • H05B45/325—Pulse-width modulation [PWM]
    • 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
    • G09G3/04—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions
    • G09G3/06—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions using controlled light sources
    • G09G3/12—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions using controlled light sources using electroluminescent elements
    • G09G3/14—Semiconductor devices, e.g. diodes
    • 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
    • H05B45/305—Frequency-control circuits
    • 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
    • H05B45/32—Pulse-control circuits
    • H05B45/33—Pulse-amplitude modulation [PAM]
    • 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
    • H05B45/32—Pulse-control circuits
    • H05B45/335—Pulse-frequency modulation [PFM]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Led Devices (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Control Of El Displays (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Stereo-Broadcasting Methods (AREA)
DE60306624T 2002-02-14 2003-02-06 Schaltung,um ein leuchtdiodenfeld anzusteuern Expired - Lifetime DE60306624T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP02075627 2002-02-14
EP02075627 2002-02-14
PCT/IB2003/000418 WO2003069958A1 (en) 2002-02-14 2003-02-06 Switching device for driving a led array

Publications (2)

Publication Number Publication Date
DE60306624D1 true DE60306624D1 (de) 2006-08-17
DE60306624T2 DE60306624T2 (de) 2007-06-21

Family

ID=27675721

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60306624T Expired - Lifetime DE60306624T2 (de) 2002-02-14 2003-02-06 Schaltung,um ein leuchtdiodenfeld anzusteuern

Country Status (10)

Country Link
US (2) US7463070B2 (de)
EP (1) EP1479270B1 (de)
JP (1) JP4633363B2 (de)
KR (1) KR100960825B1 (de)
CN (1) CN100477868C (de)
AT (1) ATE332622T1 (de)
AU (1) AU2003201751A1 (de)
DE (1) DE60306624T2 (de)
TW (1) TWI279764B (de)
WO (1) WO2003069958A1 (de)

Families Citing this family (93)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1508157B1 (de) 2002-05-08 2011-11-23 Phoseon Technology, Inc. Hocheffiziente halbleiter-lichtquelle sowie verfahren zu deren verwendung und herstellung
JP2004235498A (ja) * 2003-01-31 2004-08-19 Anden 発光ダイオードの制御装置
DE102004010942B3 (de) * 2004-03-05 2005-10-13 Kwl-Lighting Gmbh Steuervorrichtung und Steuerverfahren zur Steuerung eines Leuchtelements
DK3589081T3 (da) 2004-03-15 2024-03-18 Signify North America Corp Effektstyringfremgangsmåder og -apparat
US20050259424A1 (en) 2004-05-18 2005-11-24 Zampini Thomas L Ii Collimating and controlling light produced by light emitting diodes
US7540978B2 (en) 2004-08-05 2009-06-02 Novaled Ag Use of an organic matrix material for producing an organic semiconductor material, organic semiconductor material and electronic component
US7542257B2 (en) 2004-09-10 2009-06-02 Philips Solid-State Lighting Solutions, Inc. Power control methods and apparatus for variable loads
EP1648042B1 (de) 2004-10-07 2007-05-02 Novaled AG Verfahren zur Dotierung von einem Halbleitermaterial mit Cäsium
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
KR101288758B1 (ko) 2004-12-30 2013-07-23 포세온 테크날러지 인코퍼레이티드 산업 공정에서 광원을 사용하는 시스템 및 방법
EP1689212B1 (de) * 2005-02-02 2008-01-23 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Verfahren und Anordnung zum Dimmen von Lichtquellen
KR100761780B1 (ko) * 2005-03-10 2007-09-28 네오뷰코오롱 주식회사 유기 발광다이오드의 피크전류 구동방법 및 장치
EP1727221B1 (de) 2005-05-27 2010-04-14 Novaled AG Transparente organische Leuchtdiode
EP1734793B1 (de) * 2005-06-14 2008-04-16 Novaled AG Verfahren zum Betreiben eines organischen lichtemittierenden Bauteils und organisches lichtemittierendes Bauteil
EP1806795B1 (de) 2005-12-21 2008-07-09 Novaled AG Organisches Bauelement
KR101300007B1 (ko) 2006-02-10 2013-08-27 필립스 솔리드-스테이트 라이팅 솔루션스, 인크. 부하마다 단일 스위칭 스테이지를 사용하는 고역률 제어 전력 전달 방법 및 장치
KR100691628B1 (ko) * 2006-04-07 2007-03-12 삼성전기주식회사 Ｌｅｄ 어레이 구동 장치
US7766511B2 (en) 2006-04-24 2010-08-03 Integrated Illumination Systems LED light fixture
US7746300B2 (en) * 2006-05-05 2010-06-29 Linear Technology Corporation Circuit and methodology for supplying pulsed current to a load, such as a light emitting diode
DE102006032071B4 (de) * 2006-07-11 2008-07-10 Austriamicrosystems Ag Steuerschaltung und Verfahren zum Steuern von Leuchtdioden
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
DE102007010039A1 (de) * 2007-03-01 2008-09-04 Osram Gesellschaft mit beschränkter Haftung Optoelektronische Vorrichtung und Regelungsverfahren
US8742686B2 (en) 2007-09-24 2014-06-03 Integrated Illumination Systems, Inc. Systems and methods for providing an OEM level networked lighting system
DE102007052434A1 (de) * 2007-11-02 2009-05-07 Hella Kgaa Hueck & Co. Verfahren zum Dimmen einer Leuchtdiodenanordnung eines Kraftfahrzeugs
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
DE102008008181A1 (de) * 2008-02-08 2009-08-13 Audi Ag Verfahren zum Betrieb einer Kraftfahrzeugbeleuchtungseinrichtung
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
US8994615B2 (en) 2008-06-06 2015-03-31 Dolby Laboratories Licensing Corporation Apparatus and methods for driving solid-state illumination sources
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
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
US8653984B2 (en) 2008-10-24 2014-02-18 Ilumisys, Inc. Integration of LED lighting control with emergency notification systems
US8444292B2 (en) 2008-10-24 2013-05-21 Ilumisys, Inc. End cap substitute for LED-based tube replacement light
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
US8901823B2 (en) 2008-10-24 2014-12-02 Ilumisys, Inc. Light and light sensor
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
US8330381B2 (en) 2009-05-14 2012-12-11 Ilumisys, Inc. Electronic circuit for DC conversion of fluorescent lighting ballast
US8299695B2 (en) 2009-06-02 2012-10-30 Ilumisys, Inc. Screw-in LED bulb comprising a base having outwardly projecting nodes
EP2446715A4 (de) 2009-06-23 2013-09-11 Ilumisys Inc Beleuchtungsvorrichtung mit leds und schaltstromsteuerungssystem
DE102009040283A1 (de) * 2009-09-04 2011-03-10 Tridonic Ag Betrieb von pulsmodulierten LEDs
US8492988B2 (en) 2009-10-07 2013-07-23 Lutron Electronics Co., Inc. Configurable load control device for light-emitting diode light sources
WO2011119921A2 (en) 2010-03-26 2011-09-29 Altair Engineering, Inc. Led light with thermoelectric generator
EP2553332B1 (de) 2010-03-26 2016-03-23 iLumisys, Inc. Umgestülpte led-glühlampe
EP2553316B8 (de) 2010-03-26 2015-07-08 iLumisys, Inc. Led-lichtröhre mit doppelseitiger lichtverteilung
DE102010015125A1 (de) * 2010-04-16 2011-10-20 Hella Kgaa Hueck & Co. Verfahren zur Steuerung eines Lichtstroms einer Leuchteinrichtung mit einer Anzahl von Halbleiterleuchtmitteln, die zur Kennzeichnung und Markierung von Verkehrsflächen von Flughäfen eingerichtet ist
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
AU2011281033A1 (en) 2010-07-22 2013-02-07 Independence Led Lighting, Llc Light engine device with direct to linear system driver
CA3025336A1 (en) * 2010-09-30 2012-03-30 Philips Lighting Holding B.V. Apparatus and methods for supplying power
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
US8680787B2 (en) 2011-03-15 2014-03-25 Lutron Electronics Co., Inc. Load control device for a light-emitting diode light source
US9066381B2 (en) 2011-03-16 2015-06-23 Integrated Illumination Systems, Inc. System and method for low level dimming
US9967940B2 (en) 2011-05-05 2018-05-08 Integrated Illumination Systems, Inc. Systems and methods for active thermal management
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
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
US10874003B2 (en) 2011-07-26 2020-12-22 Hunter Industries, Inc. Systems and methods for providing power and data to devices
US8710770B2 (en) 2011-07-26 2014-04-29 Hunter Industries, Inc. Systems and methods for providing power and data to lighting devices
US9072171B2 (en) 2011-08-24 2015-06-30 Ilumisys, Inc. Circuit board mount for LED light
US8803437B2 (en) 2011-09-25 2014-08-12 Wen-Hsiung Hsieh Switching mode pulsed current supply for driving LEDS
WO2013131002A1 (en) 2012-03-02 2013-09-06 Ilumisys, Inc. Electrical connector header for an led-based light
US9163794B2 (en) 2012-07-06 2015-10-20 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
US8810147B2 (en) 2012-07-15 2014-08-19 Wen-Hsiung Hsieh Method and circuit for driving LEDs with a pulsed current
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
DE102013105463B3 (de) * 2013-05-28 2014-11-06 Vossloh-Schwabe Deutschland Gmbh Betriebsvorrichtung und Verfahren zum Betreiben einer dimmbaren Leuchtmittelanordnung
US9267650B2 (en) 2013-10-09 2016-02-23 Ilumisys, Inc. Lens for an LED-based light
KR20160111975A (ko) 2014-01-22 2016-09-27 일루미시스, 인크. 어드레스된 led들을 갖는 led 기반 조명
US9510400B2 (en) 2014-05-13 2016-11-29 Ilumisys, Inc. User input systems for an LED-based light
DE202015102108U1 (de) * 2015-04-28 2016-08-01 Zumtobel Lighting Gmbh Betriebsgerät zum Betreiben mindestens einer LED und Anordnung zur Beleuchtung mit einem Betriebsgerät und mindestens einer LED
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
US10060599B2 (en) 2015-05-29 2018-08-28 Integrated Illumination Systems, Inc. Systems, methods and apparatus for programmable light fixtures
US10030844B2 (en) 2015-05-29 2018-07-24 Integrated Illumination Systems, Inc. Systems, methods and apparatus for illumination using asymmetrical optics
US10161568B2 (en) 2015-06-01 2018-12-25 Ilumisys, Inc. LED-based light with canted outer walls
US10801714B1 (en) 2019-10-03 2020-10-13 CarJamz, Inc. Lighting device
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 (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3998043A (en) * 1973-12-26 1976-12-21 Citizen Watch Co., Ltd. Electric timepiece for displaying the operating condition thereof
US4313227A (en) * 1979-01-29 1982-01-26 Texas Instruments Incorporated Light energy information transmission system
US5671003A (en) * 1991-11-04 1997-09-23 Eastman Kodak Company Hybrid digital image printer with halftone gray scale capability
JP2843191B2 (ja) * 1992-01-30 1999-01-06 富士通株式会社 電子デバイスの駆動回路
US5325383A (en) * 1993-05-17 1994-06-28 Eastman Kodak Company Laser diode operated in hybrid modulation modes
JPH0777424A (ja) * 1993-09-07 1995-03-20 Wacom Co Ltd 光学式測量機
CA2159842A1 (en) * 1994-12-05 1996-06-06 Joe A. Ortiz Diode drive current source
US5783909A (en) 1997-01-10 1998-07-21 Relume Corporation Maintaining LED luminous intensity
DE19732828C2 (de) 1997-07-30 2001-01-18 Siemens Ag Schaltungsanordnung zur Ansteuerung eines Leuchtdioden-Arrays
WO2000020691A1 (en) 1999-05-20 2000-04-13 Koninklijke Philips Electronics N.V. Road-marking complex and system for marking roads
US6333605B1 (en) * 1999-11-02 2001-12-25 Energy Savings, Inc. Light modulating electronic ballast
MXPA01010039A (es) * 2000-02-03 2002-07-30 Koninkl Philips Electronics Nv Ensamble de abastecimiento para un modulo de iluminacion led.
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
US7071762B2 (en) * 2001-01-31 2006-07-04 Koninklijke Philips Electronics N.V. Supply assembly for a led lighting module
US6388398B1 (en) * 2001-03-20 2002-05-14 Koninklijke Philips Electronics N.V. Mixed mode control for ballast circuit
US6696800B2 (en) * 2002-01-10 2004-02-24 Koninklijke Philips Electronics N.V. High frequency electronic ballast
US6686703B2 (en) * 2002-01-10 2004-02-03 Koninklijke Philips Electronics N.V. High frequency electronic ballast

Also Published As

Publication number Publication date
JP4633363B2 (ja) 2011-02-16
DE60306624T2 (de) 2007-06-21
CN100477868C (zh) 2009-04-08
US20050088209A1 (en) 2005-04-28
CN1633827A (zh) 2005-06-29
TW200303512A (en) 2003-09-01
TWI279764B (en) 2007-04-21
US7463070B2 (en) 2008-12-09
KR100960825B1 (ko) 2010-06-07
US20090072761A1 (en) 2009-03-19
EP1479270B1 (de) 2006-07-05
KR20040096566A (ko) 2004-11-16
EP1479270A1 (de) 2004-11-24
ATE332622T1 (de) 2006-07-15
AU2003201751A1 (en) 2003-09-04
JP2005518102A (ja) 2005-06-16
WO2003069958A1 (en) 2003-08-21

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