ATE536079T1 - Schalt-konstantstromansteuer- und steuerschaltung - Google Patents

Schalt-konstantstromansteuer- und steuerschaltung

Info

Publication number
ATE536079T1
ATE536079T1 AT05759404T AT05759404T ATE536079T1 AT E536079 T1 ATE536079 T1 AT E536079T1 AT 05759404 T AT05759404 T AT 05759404T AT 05759404 T AT05759404 T AT 05759404T AT E536079 T1 ATE536079 T1 AT E536079T1
Authority
AT
Austria
Prior art keywords
load
voltage
control
constant current
control circuit
Prior art date
Application number
AT05759404T
Other languages
English (en)
Inventor
Shane Robinson
Paul Jungwirth
Ion Toma
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=35513185&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE536079(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Application granted granted Critical
Publication of ATE536079T1 publication Critical patent/ATE536079T1/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
    • H05B31/00—Electric arc lamps
    • H05B31/48—Electric arc lamps having more than two electrodes
    • H05B31/50—Electric arc lamps having more than two electrodes specially adapted for AC
    • 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
    • H05B45/3725—Switched mode power supply [SMPS]
    • 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]
    • H05B45/40—Details of LED load circuits
    • H05B45/44—Details of LED load circuits with an active control inside an LED matrix
    • H05B45/46—Details of LED load circuits with an active control inside an LED matrix having LEDs disposed in parallel lines

Landscapes

  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Dc-Dc Converters (AREA)
  • Control Of Electrical Variables (AREA)
  • Details Of Television Scanning (AREA)
  • Electronic Switches (AREA)
AT05759404T 2004-06-30 2005-06-23 Schalt-konstantstromansteuer- und steuerschaltung ATE536079T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US58360704P 2004-06-30 2004-06-30
US11/101,046 US7202608B2 (en) 2004-06-30 2005-04-06 Switched constant current driving and control circuit
PCT/CA2005/000969 WO2006002519A1 (en) 2004-06-30 2005-06-23 Switched constant current driving and control circuit

Publications (1)

Publication Number Publication Date
ATE536079T1 true ATE536079T1 (de) 2011-12-15

Family

ID=35513185

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05759404T ATE536079T1 (de) 2004-06-30 2005-06-23 Schalt-konstantstromansteuer- und steuerschaltung

Country Status (8)

Country Link
US (3) US7202608B2 (de)
EP (1) EP1776628B1 (de)
JP (1) JP4782785B2 (de)
CN (1) CN101010649B (de)
AT (1) ATE536079T1 (de)
CA (1) CA2572335C (de)
ES (1) ES2378322T3 (de)
WO (1) WO2006002519A1 (de)

Families Citing this family (313)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090058192A1 (en) * 1991-01-08 2009-03-05 Wilhelm William G Remote control of electrical loads
US6825559B2 (en) 2003-01-02 2004-11-30 Cree, Inc. Group III nitride based flip-chip intergrated circuit and method for fabricating
US20070171649A1 (en) * 2003-06-23 2007-07-26 Advanced Optical Technologies, Llc Signage using a diffusion chamber
US7145125B2 (en) * 2003-06-23 2006-12-05 Advanced Optical Technologies, Llc Integrating chamber cone light using LED sources
US20070051883A1 (en) * 2003-06-23 2007-03-08 Advanced Optical Technologies, Llc Lighting using solid state light sources
US20070138978A1 (en) * 2003-06-23 2007-06-21 Advanced Optical Technologies, Llc Conversion of solid state source output to virtual source
US20070235639A1 (en) * 2003-06-23 2007-10-11 Advanced Optical Technologies, Llc Integrating chamber LED lighting with modulation to set color and/or intensity of output
US7521667B2 (en) * 2003-06-23 2009-04-21 Advanced Optical Technologies, Llc Intelligent solid state lighting
US6995355B2 (en) * 2003-06-23 2006-02-07 Advanced Optical Technologies, Llc Optical integrating chamber lighting using multiple color sources
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
TWI263960B (en) * 2004-06-14 2006-10-11 Richtek Technology Corp A LED (light emitting diode) driver using depletion transistor as current source
TWI236165B (en) * 2004-07-30 2005-07-11 Au Optronics Corp Driving device for light emitted diode string
US7144131B2 (en) * 2004-09-29 2006-12-05 Advanced Optical Technologies, Llc Optical system using LED coupled with phosphor-doped reflective materials
US20060097658A1 (en) * 2004-10-29 2006-05-11 Vicent Chiang Apparatus for adjusting brightness of indicator light on panel
CA2972780C (en) * 2005-04-08 2020-04-28 Eldolab Holding B.V. Methods and apparatuses for operating groups of high-power leds
US7375473B2 (en) * 2005-04-15 2008-05-20 Eastman Kodak Company Variable power control for OLED area illumination
DE102005036047A1 (de) * 2005-08-01 2007-02-08 Robert Bosch Gmbh Verfahren und Vorrichtung zur Überprüfung eines ersten Spannungswertes
EP2045508A1 (de) * 2005-10-07 2009-04-08 Black & Decker, Inc. Tragbare Leuchte
US7765792B2 (en) 2005-10-21 2010-08-03 Honeywell International Inc. System for particulate matter sensor signal processing
JP4936160B2 (ja) * 2005-10-26 2012-05-23 パナソニック株式会社 点灯装置及び照明装置
US7602305B2 (en) * 2005-11-15 2009-10-13 Skyline Products, Inc. Feedback circuit for a display sign and method
US7710050B2 (en) * 2005-11-17 2010-05-04 Magna International Inc Series connected power supply for semiconductor-based vehicle lighting systems
US8514210B2 (en) 2005-11-18 2013-08-20 Cree, Inc. Systems and methods for calibrating solid state lighting panels using combined light output measurements
US7926300B2 (en) 2005-11-18 2011-04-19 Cree, Inc. Adaptive adjustment of light output of solid state lighting panels
JP5166278B2 (ja) * 2005-11-18 2013-03-21 クリー インコーポレイテッド 固体素子照明タイル
US7872430B2 (en) * 2005-11-18 2011-01-18 Cree, Inc. Solid state lighting panels with variable voltage boost current sources
US8278846B2 (en) * 2005-11-18 2012-10-02 Cree, Inc. Systems and methods for calibrating solid state lighting panels
CA2530661A1 (en) * 2005-12-16 2007-06-16 Dellux Technologies Inc. Led electric circuit assembly
CA2632385C (en) * 2005-12-20 2015-02-24 Tir Technology Lp Method and apparatus for controlling current supplied to electronic devices
CN1988743B (zh) * 2005-12-22 2010-09-01 乐金显示有限公司 驱动发光二极管的装置
US7923943B2 (en) * 2006-01-10 2011-04-12 Microsemi Corp.—Analog Mixed Signal Group Ltd. Secondary side post regulation for LED backlighting
TWI338169B (en) * 2006-01-17 2011-03-01 Chimei Innolux Corp Led light source module and liquid crystal display thereof
WO2007087327A2 (en) * 2006-01-25 2007-08-02 Cree Led Lighting Solutions, Inc. Circuit for lighting device, and method of lighting
EP1984667B1 (de) * 2006-02-10 2017-08-23 Philips Lighting North America Corporation Verfahren und vorrichtungen für gesteuerte energieabgabe mit hohem leistungsfaktor unter verwendung einer einzelnen schaltstufe pro last
WO2007104146A1 (en) * 2006-03-13 2007-09-20 Tir Technology Lp Adaptive control apparatus and method for a solid-state lighting system
KR20070093736A (ko) * 2006-03-15 2007-09-19 삼성전자주식회사 발광장치 및 그 제어방법
US7649326B2 (en) * 2006-03-27 2010-01-19 Texas Instruments Incorporated Highly efficient series string LED driver with individual LED control
DE102006030655A1 (de) * 2006-04-21 2007-10-25 Tridonicatco Gmbh & Co. Kg Notlichtgerät zum Betreiben einer Lichtquelle, insbesondere einer LED
US7766511B2 (en) * 2006-04-24 2010-08-03 Integrated Illumination Systems LED light fixture
US20070252536A1 (en) * 2006-04-29 2007-11-01 Proview Electronics Co., Ltd. Display with illuminator lamp
US20080018261A1 (en) * 2006-05-01 2008-01-24 Kastner Mark A LED power supply with options for dimming
DE102006024422B4 (de) * 2006-05-24 2009-10-22 Austriamicrosystems Ag Schaltungsanordnung und Verfahren zur Spannungskonversion
WO2007139894A2 (en) 2006-05-26 2007-12-06 Cree Led Lighting Solutions, Inc. Solid state light emitting device and method of making same
EP2035745B1 (de) * 2006-05-31 2020-04-29 IDEAL Industries Lighting LLC Beleuchtungsvorrichtung mit farbsteuerung und beleuchtungsverfahren
DE602007003360D1 (de) * 2006-06-20 2009-12-31 Koninkl Philips Electronics Nv Beleuchtungssystem mit mehreren lichtquellen
JP2009542188A (ja) * 2006-06-26 2009-11-26 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 負荷を一定電流で駆動する駆動回路
KR101271072B1 (ko) 2006-06-29 2013-06-04 세미컨덕터 콤포넨츠 인더스트리즈 엘엘씨 Ｌｅｄ 전류 제어기 및 그 형성 방법
GB0614096D0 (en) * 2006-07-14 2006-08-23 Wolfson Ltd Led driver
US7884558B2 (en) * 2006-07-14 2011-02-08 Wolfson Microelectronics Plc Driver apparatus and method
JP5189261B2 (ja) * 2006-08-28 2013-04-24 矢崎総業株式会社 Ｌｅｄ駆動装置
TW200816870A (en) * 2006-09-21 2008-04-01 Beyond Innovation Tech Co Ltd Circuit and method for driving light source
KR101288593B1 (ko) * 2006-10-16 2013-07-22 엘지디스플레이 주식회사 발광 다이오드 구동 장치 및 이를 이용한 액정 표시 장치
TWI348141B (en) * 2006-10-16 2011-09-01 Chunghwa Picture Tubes Ltd Light source driving circuit
TWI326563B (en) * 2006-10-18 2010-06-21 Chunghwa Picture Tubes Ltd Light source driving circuit
US8324816B2 (en) * 2006-10-18 2012-12-04 Koa Corporation LED driving circuit
GB2443091B (en) * 2006-10-19 2012-02-15 Radiant Res Ltd Improvements in or relating to lighting control systems
US7729941B2 (en) 2006-11-17 2010-06-01 Integrated Illumination Systems, Inc. Apparatus and method of using lighting systems to enhance brand recognition
WO2008068705A1 (en) * 2006-12-06 2008-06-12 Nxp B.V. Controlled voltage source for led drivers
US7944153B2 (en) * 2006-12-15 2011-05-17 Intersil Americas Inc. Constant current light emitting diode (LED) driver circuit and method
CN100579325C (zh) * 2006-12-21 2010-01-06 钰瀚科技股份有限公司 发光二极管驱动器以及驱动系统
PL2119320T3 (pl) * 2006-12-28 2013-01-31 Nokia Corp Sposób oraz urządzenie do sterowania elementem obwodu elektrycznego
DE102007001716B4 (de) * 2007-01-11 2015-11-05 Hella Kgaa Hueck & Co. Leuchtdioden-Schaltungsanordnung sowie Verfahren zum Betreiben einer Leuchtdioden-Schaltungsanordnung
EP2106675B1 (de) * 2007-01-22 2018-11-07 Philips Intellectual Property & Standards GmbH Anordnung von organischen lichtemittierenden dioden
US8013538B2 (en) 2007-01-26 2011-09-06 Integrated Illumination Systems, Inc. TRI-light
US8508464B2 (en) * 2007-01-31 2013-08-13 Richtek Technology Corporation Backlight control circuit capable of distinguishing under current condition
US8456388B2 (en) * 2007-02-14 2013-06-04 Cree, Inc. Systems and methods for split processor control in a solid state lighting panel
US8008870B2 (en) * 2007-02-15 2011-08-30 Nec Display Solutions, Ltd. Constant-current drive circuit
US8703492B2 (en) * 2007-04-06 2014-04-22 Qiagen Gaithersburg, Inc. Open platform hybrid manual-automated sample processing system
WO2008136835A1 (en) * 2007-05-08 2008-11-13 Megapull, Inc. Universal power supply for led lighting applications
US8049709B2 (en) 2007-05-08 2011-11-01 Cree, Inc. Systems and methods for controlling a solid state lighting panel
EP2469151B1 (de) 2007-05-08 2018-08-29 Cree, Inc. Beleuchtungsvorrichtungen und Beleuchtungsverfahren
US7712917B2 (en) 2007-05-21 2010-05-11 Cree, Inc. Solid state lighting panels with limited color gamut and methods of limiting color gamut in solid state lighting panels
US7808759B2 (en) * 2007-06-21 2010-10-05 Avago Technologies Ecbu Ip (Singapore) Pte. Ltd. Methods and apparatuses for performing common mode pulse compensation in an opto-isolator
US8116055B2 (en) * 2007-06-21 2012-02-14 Avago Technologies Ecbu Ip (Singapore) Pte. Ltd. Methods and apparatuses for performing common mode pulse compensation in an opto-isolator
US7750616B2 (en) * 2007-06-21 2010-07-06 Green Mark Technology Inc. Buck converter LED driver circuit
US8111001B2 (en) 2007-07-17 2012-02-07 Cree, Inc. LED with integrated constant current driver
US20090033612A1 (en) * 2007-07-31 2009-02-05 Roberts John K Correction of temperature induced color drift in solid state lighting displays
JP4776596B2 (ja) * 2007-08-01 2011-09-21 株式会社小糸製作所 車両用灯具の点灯制御装置
US8829820B2 (en) * 2007-08-10 2014-09-09 Cree, Inc. Systems and methods for protecting display components from adverse operating conditions
US8742686B2 (en) * 2007-09-24 2014-06-03 Integrated Illumination Systems, Inc. Systems and methods for providing an OEM level networked lighting system
KR20090046304A (ko) * 2007-11-05 2009-05-11 엘지전자 주식회사 발광 다이오드 구동 장치
US8789980B1 (en) 2007-11-13 2014-07-29 Silescent Lighting Corporation Light fixture assembly
US9080760B1 (en) 2007-11-13 2015-07-14 Daryl Soderman Light fixture assembly
US10655837B1 (en) 2007-11-13 2020-05-19 Silescent Lighting Corporation Light fixture assembly having a heat conductive cover with sufficiently large surface area for improved heat dissipation
US8866410B2 (en) 2007-11-28 2014-10-21 Cree, Inc. Solid state lighting devices and methods of manufacturing the same
US8823630B2 (en) * 2007-12-18 2014-09-02 Cree, Inc. Systems and methods for providing color management control in a lighting panel
US8322881B1 (en) 2007-12-21 2012-12-04 Appalachian Lighting Systems, Inc. Lighting fixture
JP5006180B2 (ja) * 2007-12-27 2012-08-22 株式会社小糸製作所 車両用灯具の点灯制御装置
US8040070B2 (en) 2008-01-23 2011-10-18 Cree, Inc. Frequency converted dimming signal generation
JP2009205846A (ja) * 2008-02-26 2009-09-10 Koito Mfg Co Ltd 車両用点灯制御装置
US8203698B2 (en) 2008-02-28 2012-06-19 B.E. Meyers & Co. Inc. Control modules for laser systems having auto-ranging and control capability
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
JP4687735B2 (ja) 2008-03-24 2011-05-25 東芝ライテック株式会社 電源装置及び照明器具
JP4636102B2 (ja) 2008-03-24 2011-02-23 東芝ライテック株式会社 電源装置及び照明器具
KR20130086075A (ko) * 2008-03-31 2013-07-30 미쓰비시덴키 가부시키가이샤 모터 구동 제어 장치
US7759881B1 (en) * 2008-03-31 2010-07-20 Cirrus Logic, Inc. LED lighting system with a multiple mode current control dimming strategy
US7843148B2 (en) * 2008-04-08 2010-11-30 Micrel, Inc. Driving multiple parallel LEDs with reduced power supply ripple
US8255487B2 (en) * 2008-05-16 2012-08-28 Integrated Illumination Systems, Inc. Systems and methods for communicating in a lighting network
US20090290343A1 (en) * 2008-05-23 2009-11-26 Abl Ip Holding Inc. Lighting fixture
DE102008025748A1 (de) * 2008-05-29 2009-12-03 Automotive Lighting Reutlingen Gmbh Elektrische Schaltungsanordnung
US8994615B2 (en) 2008-06-06 2015-03-31 Dolby Laboratories Licensing Corporation Apparatus and methods for driving solid-state illumination sources
TWI459858B (zh) 2008-06-24 2014-11-01 Eldolab Holding Bv 照明系統及發光二極體組件之控制單元
DE102008040026A1 (de) * 2008-06-30 2009-12-31 Robert Bosch Gmbh Schaltungsanordnung
US8344707B2 (en) * 2008-07-25 2013-01-01 Cirrus Logic, Inc. Current sensing in a switching power converter
EP2316251B1 (de) * 2008-07-30 2012-05-09 Philips Intellectual Property & Standards GmbH Vorrichtung mit lichtemissionsdiodenschaltungen
US8354800B2 (en) * 2008-09-07 2013-01-15 Q Technology, Inc. Lighting source with low total harmonic distortion
JP4600583B2 (ja) * 2008-09-10 2010-12-15 東芝ライテック株式会社 調光機能を有する電源装置及び照明器具
KR100973009B1 (ko) * 2008-10-28 2010-07-30 삼성전기주식회사 발광소자 구동 장치
DE102008057347A1 (de) * 2008-11-14 2010-05-20 Osram Opto Semiconductors Gmbh Optoelektronische Vorrichtung
US20100172136A1 (en) * 2008-11-17 2010-07-08 Williamson Iii Robert S Compact non-lethal optical disruption device
JP2012513075A (ja) * 2008-11-18 2012-06-07 リンデール インコーポレイテッド Ｌｅｄ照明コントローラ
JP2010135136A (ja) * 2008-12-03 2010-06-17 Panasonic Electric Works Co Ltd Ｌｅｄ点灯装置
EP2214456A1 (de) * 2009-01-22 2010-08-04 Nanker(Guang Zhou)Semiconductor Manufacturing Corp. LED-Lampenschaltung
US8760072B2 (en) 2009-01-27 2014-06-24 Led Roadway Lighting Ltd. Power supply for light emitting diode roadway lighting fixture
US20100253245A1 (en) * 2009-04-06 2010-10-07 Lightech Electronic Industries Ltd. Method, system and current limiting circuit for preventing excess current surges
US8193725B2 (en) * 2009-04-16 2012-06-05 Chunghwa Picture Tubes, Ltd. Voltage converter, backlight module control system and control method thereof
US8585245B2 (en) 2009-04-23 2013-11-19 Integrated Illumination Systems, Inc. Systems and methods for sealing a lighting fixture
JP5515931B2 (ja) * 2009-04-24 2014-06-11 東芝ライテック株式会社 発光装置及び照明装置
KR101008432B1 (ko) 2009-04-28 2011-01-14 삼성전기주식회사 디지털 디밍 ｌｅｄ 구동 회로
EP2249623A1 (de) * 2009-05-04 2010-11-10 Osram Gesellschaft mit Beschränkter Haftung Ein Stromregler mit geringen Abfallstrom
EP2428097B1 (de) * 2009-05-04 2017-02-22 EldoLAB Holding B.V. Steuereinheit für eine led-baugruppe und beleuchtungssystem
JP2010267415A (ja) * 2009-05-12 2010-11-25 Toshiba Lighting & Technology Corp 照明装置
TWI411348B (zh) * 2009-05-12 2013-10-01 Matsushita Electric Tw Co Ltd Dynamically driven light emitting device
US8217591B2 (en) 2009-05-28 2012-07-10 Cree, Inc. Power source sensing dimming circuits and methods of operating same
JP4796642B2 (ja) 2009-07-21 2011-10-19 シャープ株式会社 照明装置及び調光装置
JP2011029306A (ja) * 2009-07-23 2011-02-10 Sanyo Electric Co Ltd 発光素子駆動回路
JP5379592B2 (ja) * 2009-07-24 2013-12-25 パナソニック株式会社 電力変換装置およびこれを用いた車両用点灯装置、車両用前照灯及び車両
TWI423724B (zh) * 2009-07-24 2014-01-11 Novatek Microelectronics Corp 可動態維持定電流驅動之光源驅動裝置及其相關方法
US8427063B2 (en) * 2009-07-29 2013-04-23 Vektrex Electronic Systems, Inc. Multicolor LED sequencer
WO2011017449A2 (en) * 2009-08-04 2011-02-10 Asic Advantage, Inc. Multiple independently regulated parameters using a single magnetic circuit element
TWI400986B (zh) * 2009-08-05 2013-07-01 Chunghwa Picture Tubes Ltd 發光二極體的驅動電路
WO2011014963A1 (en) 2009-08-07 2011-02-10 Led Roadway Lighting Ltd. Single-ended primary inductance converter (sepic) based power supply for driving multiple strings of light emitting diodes (leds) in roadway lighting fixtures
JP2012023001A (ja) * 2009-08-21 2012-02-02 Toshiba Lighting & Technology Corp 点灯回路及び照明装置
CN102006698B (zh) * 2009-09-01 2013-11-20 联咏科技股份有限公司 可避免闪烁效应的控制方法及发光装置
JP5333769B2 (ja) * 2009-09-04 2013-11-06 東芝ライテック株式会社 Ｌｅｄ点灯装置および照明装置
JP5333768B2 (ja) * 2009-09-04 2013-11-06 東芝ライテック株式会社 Ｌｅｄ点灯装置および照明装置
US8729809B2 (en) * 2009-09-08 2014-05-20 Denovo Lighting, Llc Voltage regulating devices in LED lamps with multiple power sources
US8395329B2 (en) * 2009-09-09 2013-03-12 Bel Fuse (Macao Commercial Offshore) LED ballast power supply having digital controller
US8537021B1 (en) 2009-09-14 2013-09-17 Musco Corporation Apparatus, method, and system for improved control and monitoring of electrical systems
JP5641180B2 (ja) * 2009-09-18 2014-12-17 東芝ライテック株式会社 Ｌｅｄ点灯装置および照明装置
US9713211B2 (en) * 2009-09-24 2017-07-18 Cree, Inc. Solid state lighting apparatus with controllable bypass circuits and methods of operation thereof
US10264637B2 (en) 2009-09-24 2019-04-16 Cree, Inc. Solid state lighting apparatus with compensation bypass circuits and methods of operation thereof
US8901845B2 (en) 2009-09-24 2014-12-02 Cree, Inc. Temperature responsive control for lighting apparatus including light emitting devices providing different chromaticities and related methods
US8777449B2 (en) * 2009-09-25 2014-07-15 Cree, Inc. Lighting devices comprising solid state light emitters
US9464801B2 (en) 2009-09-25 2016-10-11 Cree, Inc. Lighting device with one or more removable heat sink elements
US9068719B2 (en) * 2009-09-25 2015-06-30 Cree, Inc. Light engines for lighting devices
US9353933B2 (en) * 2009-09-25 2016-05-31 Cree, Inc. Lighting device with position-retaining element
US9285103B2 (en) 2009-09-25 2016-03-15 Cree, Inc. Light engines for lighting devices
US8602579B2 (en) 2009-09-25 2013-12-10 Cree, Inc. Lighting devices including thermally conductive housings and related structures
US8466628B2 (en) 2009-10-07 2013-06-18 Lutron Electronics Co., Inc. Closed-loop load control circuit having a wide output range
US8248114B2 (en) * 2009-10-14 2012-08-21 Semiconductor Components Industries, Llc Circuit having sample and hold feedback control and method
US8947010B2 (en) * 2009-10-14 2015-02-03 Nationl Semiconductor Corporation Dimmer decoder with low duty cycle handling for use with LED drivers
US8415896B2 (en) * 2009-10-16 2013-04-09 Himax Display, Inc. Current-type driver of light emitting devices
US9030120B2 (en) * 2009-10-20 2015-05-12 Cree, Inc. Heat sinks and lamp incorporating same
US9217542B2 (en) 2009-10-20 2015-12-22 Cree, Inc. Heat sinks and lamp incorporating same
US8952617B2 (en) * 2009-11-03 2015-02-10 City University Of Hong Kong Passive LC ballast and method of manufacturing a passive LC ballast
USD673322S1 (en) 2009-11-19 2012-12-25 Cree, Inc. Light engine for a lighting device
CN101841950B (zh) * 2009-12-29 2013-05-08 深圳市众明半导体照明有限公司 一种led驱动电源及led光源
TWI396965B (zh) * 2009-12-29 2013-05-21 Fsp Technology Inc 電源供應裝置
US8493000B2 (en) 2010-01-04 2013-07-23 Cooledge Lighting Inc. Method and system for driving light emitting elements
KR101696749B1 (ko) * 2010-01-25 2017-01-17 삼성디스플레이 주식회사 백라이트 어셈블리 및 이를 갖는 표시장치
CN102782391B (zh) 2010-02-12 2016-08-03 科锐公司 固态照明设备及其装配方法
US20110267821A1 (en) 2010-02-12 2011-11-03 Cree, Inc. Lighting device with heat dissipation elements
US9518715B2 (en) * 2010-02-12 2016-12-13 Cree, Inc. Lighting devices that comprise one or more solid state light emitters
WO2011100224A2 (en) 2010-02-12 2011-08-18 Cree, Inc. Lighting devices that comprise one or more solid state light emitters
US8773007B2 (en) 2010-02-12 2014-07-08 Cree, Inc. Lighting devices that comprise one or more solid state light emitters
DE102010002386A1 (de) * 2010-02-26 2011-09-01 Robert Bosch Gmbh Vorrichtung und Verfahren zur Ansteuerung von Leuchtdioden-Strängen
US20120319603A1 (en) * 2010-03-01 2012-12-20 Hella Kgaa Method to supply power to an led array as well as the circuit arrangement for implementing the method
CN102065600B (zh) * 2010-03-16 2014-06-25 成都芯源系统有限公司 一种led调光驱动系统
DE102010013493A1 (de) 2010-03-31 2011-10-06 Osram Opto Semiconductors Gmbh Optoelektronische Vorrichung
CN101832490B (zh) * 2010-04-02 2011-06-15 浙江大学 一种具有温度保护功能的可调光led照明系统
US8476836B2 (en) 2010-05-07 2013-07-02 Cree, Inc. AC driven solid state lighting apparatus with LED string including switched segments
WO2011142248A1 (ja) * 2010-05-14 2011-11-17 Ｎｅｃライティング株式会社 有機ｅｌ照明装置
JP2011254664A (ja) * 2010-06-03 2011-12-15 On Semiconductor Trading Ltd 発光素子の制御回路
US9071130B2 (en) * 2010-06-28 2015-06-30 Toshiba Lighting & Technology Corporation Switching power supply device, switching power supply circuit, and electrical equipment
US8476837B2 (en) * 2010-07-02 2013-07-02 3M Innovative Properties Company Transistor ladder network for driving a light emitting diode series string
US8541957B2 (en) * 2010-08-09 2013-09-24 Power Integrations, Inc. Power converter having a feedback circuit for constant loads
US9107250B2 (en) * 2010-09-23 2015-08-11 Diehl Ako Stiftung & Co. Kg Method of operating an LED lighting system
NL2005418C2 (en) * 2010-09-29 2012-04-02 Europ Intelligence B V Intrinsically safe led display.
JP2011034976A (ja) * 2010-10-20 2011-02-17 Toshiba Lighting & Technology Corp 電源装置及び照明器具
JP5699273B2 (ja) * 2010-10-25 2015-04-08 パナソニックＩｐマネジメント株式会社 照明装置
CN103493594A (zh) * 2010-11-05 2014-01-01 香港城市大学 用于两个或多个并联led灯串的驱动器
EP2681969B1 (de) * 2010-11-16 2019-01-09 Philips Lighting Holding B.V. Austrittskantendimmerkompatibilität mit hoher dimmerwiderstandsprognose
CN102149239B (zh) * 2010-12-06 2015-06-10 南京航空航天大学 一种led串均流电路及控制方法
JP5828103B2 (ja) * 2010-12-20 2015-12-02 パナソニックＩｐマネジメント株式会社 Ｌｅｄ点灯装置及びそれを用いた照明器具
US9516713B2 (en) 2011-01-25 2016-12-06 Semiconductor Energy Laboratory Co., Ltd. Light-emitting device
US8988005B2 (en) 2011-02-17 2015-03-24 Cooledge Lighting Inc. Illumination control through selective activation and de-activation of lighting elements
JP5942314B2 (ja) * 2011-02-22 2016-06-29 パナソニックＩｐマネジメント株式会社 点灯装置および、これを用いた照明器具
ES2391218B1 (es) * 2011-03-04 2013-08-08 Universidad Carlos Iii De Madrid Método y sistema de alimentación de una carga constituida por una pluralidad de cargas elementales, en particular de led.
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
US8773085B2 (en) 2011-03-22 2014-07-08 Ledillion Technologies Inc. Apparatus and method for efficient DC-to-DC conversion through wide voltage swings
KR101057684B1 (ko) * 2011-03-31 2011-08-18 주식회사 동운아나텍 조명 구동 장치
US10030863B2 (en) 2011-04-19 2018-07-24 Cree, Inc. Heat sink structures, lighting elements and lamps incorporating same, and methods of making same
US20120306392A1 (en) * 2011-06-02 2012-12-06 Taiwan Semiconductor Manufacturing Company, Ltd. Light-emitting diode network
US9839083B2 (en) 2011-06-03 2017-12-05 Cree, Inc. Solid state lighting apparatus and circuits including LED segments configured for targeted spectral power distribution and methods of operating the same
US8587203B2 (en) * 2011-06-09 2013-11-19 Osram Sylvania Inc. Multiple channel light source power supply with output protection
US8653736B2 (en) * 2011-06-09 2014-02-18 Osram Sylvania Inc. Multiple channel light source power supply with output protection
US9055630B1 (en) 2011-07-21 2015-06-09 Dale B. Stepps Power control system and method for providing an optimal power level to a designated light assembly
US9521725B2 (en) 2011-07-26 2016-12-13 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
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
US20150237700A1 (en) 2011-07-26 2015-08-20 Hunter Industries, Inc. Systems and methods to control color and brightness of lighting devices
US8710770B2 (en) 2011-07-26 2014-04-29 Hunter Industries, Inc. Systems and methods for providing power and data to lighting devices
US8742671B2 (en) 2011-07-28 2014-06-03 Cree, Inc. Solid state lighting apparatus and methods using integrated driver circuitry
US9510413B2 (en) 2011-07-28 2016-11-29 Cree, Inc. Solid state lighting apparatus and methods of forming
EP2571332A1 (de) * 2011-09-14 2013-03-20 Excellence Opto Inc. LED-Beleuchtungssystem
KR101940780B1 (ko) * 2011-09-16 2019-01-22 서울반도체 주식회사 반도체 발광 소자를 적용한 조명 장치
TWI455640B (zh) * 2011-09-29 2014-10-01 Raydium Semiconductor Corp 電流產生電路以及發光二極體驅動電路
US9258858B2 (en) 2011-09-30 2016-02-09 Koninklijke Philips N.V. Active capacitor circuit
CN103049033B (zh) * 2011-10-12 2014-11-26 欧司朗股份有限公司 一种恒流源电路和采样电路
US9468055B2 (en) 2011-10-24 2016-10-11 Alpha And Omega Semiconductor Incorporated LED current control
US8823279B2 (en) * 2011-10-27 2014-09-02 Phoseon Technology, Inc. Smart FET circuit
KR101912936B1 (ko) * 2011-11-08 2018-10-30 엘지디스플레이 주식회사 다채널 ｌｅｄ의 정전류 제어 장치와 이를 이용한 액정표시장치
ES2614894T3 (es) 2011-11-14 2017-06-02 Philips Lighting Holding B.V. Sistema y método para controlar la tensión de un controlador de salida máxima de un dispositivo de iluminación de estado sólido
JP5910814B2 (ja) * 2011-12-26 2016-04-27 東芝ライテック株式会社 電力変換装置
TWI471063B (zh) * 2012-01-02 2015-01-21 Lextar Electronics Corp 照明控制電路與照明控制方法
US9554445B2 (en) 2012-02-03 2017-01-24 Cree, Inc. Color point and/or lumen output correction device, lighting system with color point and/or lumen output correction, lighting device, and methods of lighting
US10378749B2 (en) 2012-02-10 2019-08-13 Ideal Industries Lighting Llc Lighting device comprising shield element, and shield element
KR101397778B1 (ko) * 2012-03-21 2014-05-20 삼성전기주식회사 발광 다이오드 구동 장치
KR101397786B1 (ko) * 2012-03-21 2014-05-20 삼성전기주식회사 발광 다이오드 구동 장치
JP5942256B2 (ja) * 2012-06-08 2016-06-29 パナソニックＩｐマネジメント株式会社 点灯装置及び照明器具
US8894437B2 (en) 2012-07-19 2014-11-25 Integrated Illumination Systems, Inc. Systems and methods for connector enabling vertical removal
JP6008278B2 (ja) * 2012-07-24 2016-10-19 パナソニックＩｐマネジメント株式会社 点灯装置及びそれを用いた照明器具、並びに照明システム
TWI507080B (zh) * 2012-08-08 2015-11-01 Innocom Tech Shenzhen Co Ltd 調光電路及其調光方法
US8963438B2 (en) * 2012-08-28 2015-02-24 Micron Technology, Inc. Self-identifying solid-state transducer modules and associated systems and methods
CN102821531B (zh) * 2012-08-29 2015-03-11 孝感市捷能特种光源照明器具有限公司 一种“交—交调控”的数控hid驱动器
US8989598B2 (en) * 2012-10-11 2015-03-24 Source Photonics, Inc. Power-saving driver circuit for providing a bias current or driving a current-driven load
CN102938648A (zh) * 2012-10-31 2013-02-20 上海华兴数字科技有限公司 一种应用于工程机械的控制器的模拟量输出电路
KR20140055728A (ko) * 2012-11-01 2014-05-09 엘지전자 주식회사 백라이트 유닛 및 디스플레이 장치
CA2832128A1 (en) 2012-11-02 2014-05-02 RAB Lighting Inc. Dimming for constant current led driver circuit
US20140132161A1 (en) * 2012-11-14 2014-05-15 Shenzhen China Star Optoelectronics Technology Co., Ltd. Method for Using Constant Current Driving Chip to Generate Different Currents to Drive Light Bar and Driving Circuit Thereof
US9379578B2 (en) 2012-11-19 2016-06-28 Integrated Illumination Systems, Inc. Systems and methods for multi-state power management
US20140145631A1 (en) * 2012-11-28 2014-05-29 Shenzhen China Star Optoelectronics Technology Co. Ltd. Backlight driver circuit and liquid crystal display device
CN103873020B (zh) * 2012-12-13 2018-11-02 北京普源精电科技有限公司 一种射频信号源
US9307588B2 (en) * 2012-12-17 2016-04-05 Ecosense Lighting Inc. Systems and methods for dimming of a light source
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
US20140191672A1 (en) * 2013-01-07 2014-07-10 Q Technology, Inc. Load adapter with total harmonic distortion reduction
US9313849B2 (en) 2013-01-23 2016-04-12 Silescent Lighting Corporation Dimming control system for solid state illumination source
EP2760255B1 (de) * 2013-01-23 2019-07-17 Silergy Corp. Steuerung, Ansteuerungsschaltung und Verfahren zur Steuerung einer dimmbaren LED-Beleuchtungsschaltung sowie eine dimmbare LED-Beleuchtungsschaltung
US9565782B2 (en) 2013-02-15 2017-02-07 Ecosense Lighting Inc. Field replaceable power supply cartridge
US9425687B2 (en) 2013-03-11 2016-08-23 Cree, Inc. Methods of operating switched mode power supply circuits using adaptive filtering and related controller circuits
US9866117B2 (en) * 2013-03-11 2018-01-09 Cree, Inc. Power supply with adaptive-controlled output voltage
EP2974537A1 (de) * 2013-03-14 2016-01-20 Koninklijke Philips N.V. Stromrückkoppelung zur leistungssteigerung und konsistenz von led-leuchten
US9192001B2 (en) 2013-03-15 2015-11-17 Ambionce Systems Llc. Reactive power balancing current limited power supply for driving floating DC loads
US9183788B2 (en) 2013-05-20 2015-11-10 Shenzhen China Star Optoelectronics Technology Co., Ltd Backlight driving circuit, LCD device, and method for driving the backlight driving circuit
CN103280190B (zh) * 2013-05-20 2015-11-25 深圳市华星光电技术有限公司 一种背光驱动电路、液晶显示装置和背光驱动方法
DE102013105463B3 (de) * 2013-05-28 2014-11-06 Vossloh-Schwabe Deutschland Gmbh Betriebsvorrichtung und Verfahren zum Betreiben einer dimmbaren Leuchtmittelanordnung
US20140354169A1 (en) * 2013-05-31 2014-12-04 Kevin McDermott Light emitting diode lighting device
CN103389767A (zh) * 2013-07-08 2013-11-13 郑儒富 一种恒流驱动器及其控制方法
KR101461151B1 (ko) * 2013-10-21 2014-11-12 주식회사 현주아이디씨 엘이디 전원 전류 제어장치
US9474118B2 (en) * 2013-11-22 2016-10-18 Microchip Technology Inc. Cascode-type dimming switch using a bipolar junction transistor for driving a string of light emitting diodes
CN104768261A (zh) * 2014-01-02 2015-07-08 深圳市海洋王照明工程有限公司 可调光led恒流驱动电路
CN105917740B (zh) * 2014-01-17 2018-05-18 飞利浦照明控股有限公司 Led驱动器和控制方法
US9456481B2 (en) * 2014-02-25 2016-09-27 Earl W. McCune, Jr. High-efficiency, wide dynamic range dimming for solid-state lighting
US9410688B1 (en) 2014-05-09 2016-08-09 Mark Sutherland Heat dissipating assembly
US9307592B2 (en) * 2014-06-20 2016-04-05 Optromax Electronics Co., Ltd Constant current driving device
FR3023428B1 (fr) * 2014-07-07 2018-04-13 Valeo Vision Systeme de pilotage de l'alimentation electrique d'une pluralite de sources lumineuses utilisant un convertisseur multiphase
KR20160011908A (ko) * 2014-07-23 2016-02-02 주식회사 솔루엠 전원장치 및 그의 구동방법
US9883567B2 (en) 2014-08-11 2018-01-30 RAB Lighting Inc. Device indication and commissioning for a lighting control system
US10085328B2 (en) 2014-08-11 2018-09-25 RAB Lighting Inc. Wireless lighting control systems and methods
US10039174B2 (en) 2014-08-11 2018-07-31 RAB Lighting Inc. Systems and methods for acknowledging broadcast messages in a wireless lighting control network
US10531545B2 (en) 2014-08-11 2020-01-07 RAB Lighting Inc. Commissioning a configurable user control device for a lighting control system
CN104470060B (zh) * 2014-10-20 2017-09-15 深圳市华星光电技术有限公司 模拟调光转换电路及显示装置
US9408260B2 (en) 2014-10-20 2016-08-02 Shenzhen China Star Optoelectronics Technology Co., Ltd. Analog dimming conversion circuit and display device
US9380653B1 (en) 2014-10-31 2016-06-28 Dale Stepps Driver assembly for solid state lighting
TWI622319B (zh) * 2014-12-19 2018-04-21 點晶科技股份有限公司 應用於顯示系統的驅動電路與驅動方法及相關的顯示系統
CN105992432B (zh) 2015-02-05 2018-09-04 台达电子工业股份有限公司 应用于led负载的电源电路
US11306897B2 (en) 2015-02-09 2022-04-19 Ecosense Lighting Inc. Lighting systems generating partially-collimated light emissions
US9869450B2 (en) 2015-02-09 2018-01-16 Ecosense Lighting Inc. Lighting systems having a truncated parabolic- or hyperbolic-conical light reflector, or a total internal reflection lens; and having another light reflector
US9651227B2 (en) 2015-03-03 2017-05-16 Ecosense Lighting Inc. Low-profile lighting system having pivotable lighting enclosure
US9568665B2 (en) 2015-03-03 2017-02-14 Ecosense Lighting Inc. Lighting systems including lens modules for selectable light distribution
US9651216B2 (en) 2015-03-03 2017-05-16 Ecosense Lighting Inc. Lighting systems including asymmetric lens modules for selectable light distribution
US9746159B1 (en) 2015-03-03 2017-08-29 Ecosense Lighting Inc. Lighting system having a sealing system
US9565731B2 (en) * 2015-05-01 2017-02-07 Lutron Electronics Co., Inc. Load control device for a light-emitting diode light source
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
USD785218S1 (en) 2015-07-06 2017-04-25 Ecosense Lighting Inc. LED luminaire having a mounting system
USD782093S1 (en) 2015-07-20 2017-03-21 Ecosense Lighting Inc. LED luminaire having a mounting system
USD782094S1 (en) 2015-07-20 2017-03-21 Ecosense Lighting Inc. LED luminaire having a mounting system
CN105045364A (zh) * 2015-07-21 2015-11-11 北京比特大陆科技有限公司 串联供电电路、虚拟数字币挖矿机和计算机服务器
US9651232B1 (en) 2015-08-03 2017-05-16 Ecosense Lighting Inc. Lighting system having a mounting device
US9764682B2 (en) 2015-09-08 2017-09-19 MLS Automotive Inc. Systems and methods for vehicle lighting
DE102016102596A1 (de) * 2016-02-15 2017-08-17 Osram Opto Semiconductors Gmbh Verfahren zum Betreiben einer Halbleiterlichtquelle und Halbleiterlichtquelle
US10925128B2 (en) * 2016-06-10 2021-02-16 Eaton Intelligent Power Limited Current tuneback in light emitting diode luminaires
US10111294B1 (en) 2016-09-26 2018-10-23 Aion LED, Inc. Efficient dynamic light mixing for compact linear LED arrays
CN107071960B (zh) * 2017-01-17 2018-09-07 宁波光谷智能科技有限公司 一种智能led灯
CN107452344A (zh) * 2017-08-18 2017-12-08 京东方科技集团股份有限公司 一种背光源的调节方法及装置
US10483850B1 (en) 2017-09-18 2019-11-19 Ecosense Lighting Inc. Universal input-voltage-compatible switched-mode power supply
WO2019238527A1 (en) * 2018-06-14 2019-12-19 Signify Holding B.V. Monitor device for a lighting arrangement, a driver using the monitoring arrangement, and a driving method
FR3083418A1 (fr) 2018-06-28 2020-01-03 Valeo Vision Systeme de pilotage de l'alimentation electrique d'une source lumineuse pixellisee
TWI664875B (zh) * 2018-09-03 2019-07-01 群光電能科技股份有限公司 定電流裝置及其熱分散模組
WO2020084087A1 (en) * 2018-10-24 2020-04-30 Silicon Hill B.V. Led lamp arrangement with controlled power
CN110099486B (zh) * 2019-04-30 2024-08-23 欧普照明股份有限公司 一种调光控制电路及调光控制方法
US10801714B1 (en) 2019-10-03 2020-10-13 CarJamz, Inc. Lighting device
US11229097B2 (en) * 2020-02-27 2022-01-18 Dicon Fiberoptics, Inc. Method and apparatus for adjusting the rate of change of the brightness of a light emitting diode (LED) light fixture
KR102312357B1 (ko) * 2020-06-22 2021-10-13 주식회사 글로벌테크놀로지 디스플레이를 위한 백라이트 장치 및 그의 전류 제어 집적 회로
NL2027385B1 (en) * 2021-01-26 2022-08-12 Eldolab Holding Bv Method of multi-channel control
CN112947657B (zh) * 2021-01-29 2022-05-27 漳州立达信光电子科技有限公司 高低端驱动系统
CN114302531B (zh) * 2022-01-05 2022-10-18 北京芯格诺微电子有限公司 Led调光控制方法及调光驱动装置
DE112023004862A5 (de) * 2022-11-23 2025-09-04 Elmos Semiconductor Se LED-Beleuchtungsvorrichtung
US12416908B2 (en) 2022-12-29 2025-09-16 Integrated Illumination Systems, Inc. Systems and methods for manufacturing light fixtures
EP4395463A1 (de) * 2023-01-02 2024-07-03 Valeo Vision Leuchtvorrichtung für kraftfahrzeuge
US12297996B2 (en) 2023-02-16 2025-05-13 Integrated Illumination Systems, Inc. Cove light fixture with hidden integrated air return
US12376208B2 (en) * 2023-06-16 2025-07-29 Omron Corporation Controlling energy efficiency in LED drive circuits
US12573339B2 (en) * 2023-12-12 2026-03-10 Samsung Electronics Co., Ltd. Display device operating with time-division and control method thereof
CN120547730A (zh) * 2024-02-26 2025-08-26 欧普照明股份有限公司 线性恒流调整电路

Family Cites Families (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4001667A (en) 1974-04-22 1977-01-04 American Optical Corporation Constant current-pulse led drive circuit
US4870327A (en) * 1987-07-27 1989-09-26 Avtech Corporation High frequency, electronic fluorescent lamp ballast
JPH0613659A (ja) * 1992-04-30 1994-01-21 Takiron Co Ltd 発光ダイオードの輝度調整装置
JP2754435B2 (ja) * 1992-05-27 1998-05-20 富士通電装株式会社 フィードバックループ回路
US5416387A (en) * 1993-11-24 1995-05-16 California Institute Of Technology Single stage, high power factor, gas discharge lamp ballast
US5519289A (en) * 1994-11-07 1996-05-21 Jrs Technology Associates, Inc. Electronic ballast with lamp current correction circuit
US6407515B1 (en) * 1999-11-12 2002-06-18 Lighting Control, Inc. Power regulator employing a sinusoidal reference
JP4353667B2 (ja) * 1999-12-14 2009-10-28 株式会社タキオン Ｌｅｄランプ装置
US6362578B1 (en) 1999-12-23 2002-03-26 Stmicroelectronics, Inc. LED driver circuit and method
DE20023993U1 (de) * 2000-03-17 2008-09-25 Tridonicatco Gmbh & Co. Kg Ansteuerschaltung für Leuchtdioden
US7262752B2 (en) * 2001-01-16 2007-08-28 Visteon Global Technologies, Inc. Series led backlight control circuit
US20020113559A1 (en) * 2001-01-26 2002-08-22 Duong Ba Lam Electronic ballast
US6392358B1 (en) * 2001-05-02 2002-05-21 Rockwell Collins, Inc. Liquid crystal display backlighting circuit
JP2003100472A (ja) * 2001-07-19 2003-04-04 Denso Corp 発光ダイオード用駆動装置
US6734639B2 (en) 2001-08-15 2004-05-11 Koninklijke Philips Electronics N.V. Sample and hold method to achieve square-wave PWM current source for light emitting diode arrays
JP2003109783A (ja) * 2001-09-28 2003-04-11 Matsushita Electric Works Ltd 放電灯点灯装置
JP3893042B2 (ja) * 2001-10-26 2007-03-14 松下電器産業株式会社 高圧放電ランプの点灯方法、点灯装置及び高圧放電ランプ装置
US6586890B2 (en) 2001-12-05 2003-07-01 Koninklijke Philips Electronics N.V. LED driver circuit with PWM output
GB0204212D0 (en) * 2002-02-22 2002-04-10 Oxley Dev Co Ltd Led drive circuit
DE10225670A1 (de) * 2002-06-10 2003-12-24 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Ansteuerschaltung für mindestens einen LED-Strang
US6798152B2 (en) 2002-08-21 2004-09-28 Freescale Semiconductor, Inc. Closed loop current control circuit and method thereof
US6864642B2 (en) * 2002-10-07 2005-03-08 Bruce Industries, Inc. Electronic ballast with DC output flyback converter
JP4148746B2 (ja) * 2002-10-08 2008-09-10 株式会社小糸製作所 点灯回路
JP2004164915A (ja) * 2002-11-11 2004-06-10 Arueido Kk 電源制御装置および電源制御方法
JP2005006444A (ja) * 2003-06-13 2005-01-06 Japan Aviation Electronics Industry Ltd 照明灯電源装置
JP4345385B2 (ja) * 2003-07-15 2009-10-14 ウシオ電機株式会社 Ｄｃ−ｄｃコンバータおよびそれを用いた高圧放電ランプ点灯装置
US6987787B1 (en) 2004-06-28 2006-01-17 Rockwell Collins LED brightness control system for a wide-range of luminance control

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US20070085489A1 (en) 2007-04-19
US20060001381A1 (en) 2006-01-05
EP1776628A1 (de) 2007-04-25
EP1776628B1 (de) 2011-11-30
CN101010649A (zh) 2007-08-01
US7420335B2 (en) 2008-09-02
ES2378322T3 (es) 2012-04-11
US7358681B2 (en) 2008-04-15
WO2006002519A1 (en) 2006-01-12
HK1110661A1 (en) 2008-07-18
CA2572335A1 (en) 2006-01-12
WO2006002519B1 (en) 2006-03-02
JP2008504654A (ja) 2008-02-14
US7202608B2 (en) 2007-04-10
CN101010649B (zh) 2013-10-30
EP1776628A4 (de) 2009-06-10
CA2572335C (en) 2014-02-04
US20070069664A1 (en) 2007-03-29
JP4782785B2 (ja) 2011-09-28

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