DK2742775T3 - LED LIGHT SOURCE WITH REDUCED FLASHER - Google Patents

LED LIGHT SOURCE WITH REDUCED FLASHER Download PDF

Info

Publication number
DK2742775T3
DK2742775T3 DK12775298.8T DK12775298T DK2742775T3 DK 2742775 T3 DK2742775 T3 DK 2742775T3 DK 12775298 T DK12775298 T DK 12775298T DK 2742775 T3 DK2742775 T3 DK 2742775T3
Authority
DK
Denmark
Prior art keywords
light emitting
switch
emitting diode
terminal
terminals
Prior art date
Application number
DK12775298.8T
Other languages
Danish (da)
English (en)
Inventor
Theo Gerrit Zijlman
Original Assignee
Philips Lighting Holding Bv
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 Philips Lighting Holding Bv filed Critical Philips Lighting Holding Bv
Application granted granted Critical
Publication of DK2742775T3 publication Critical patent/DK2742775T3/en

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
    • H05B45/24—Controlling the colour of the light using electrical feedback from LEDs or from LED modules
    • 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
    • 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
    • H05B45/48—Details of LED load circuits with an active control inside an LED matrix having LEDs organised in strings and incorporating parallel shunting devices

Landscapes

  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Led Devices (AREA)
DK12775298.8T 2011-08-08 2012-08-02 LED LIGHT SOURCE WITH REDUCED FLASHER DK2742775T3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201161521061P 2011-08-08 2011-08-08
PCT/IB2012/053958 WO2013021320A1 (en) 2011-08-08 2012-08-02 Led light source with reduced flicker

Publications (1)

Publication Number Publication Date
DK2742775T3 true DK2742775T3 (en) 2019-02-18

Family

ID=47046649

Family Applications (1)

Application Number Title Priority Date Filing Date
DK12775298.8T DK2742775T3 (en) 2011-08-08 2012-08-02 LED LIGHT SOURCE WITH REDUCED FLASHER

Country Status (9)

Country Link
US (1) US9148924B2 (OSRAM)
EP (1) EP2742775B1 (OSRAM)
JP (1) JP6072793B2 (OSRAM)
CN (1) CN103718648B (OSRAM)
BR (1) BR112014002777A2 (OSRAM)
DK (1) DK2742775T3 (OSRAM)
ES (1) ES2708694T3 (OSRAM)
RU (1) RU2597326C2 (OSRAM)
WO (1) WO2013021320A1 (OSRAM)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI513034B (zh) * 2012-09-07 2015-12-11 Lextar Electronics Corp 發光裝置
KR101267278B1 (ko) 2012-11-22 2013-05-27 이동원 변조지수가 개선된 엘이디 조명장치
US20140265885A1 (en) * 2013-03-12 2014-09-18 Cree, Inc. Multiple power outputs generated from a single current source
US9332605B2 (en) * 2013-06-07 2016-05-03 Texas Instruments Incorporated Lighting system
DE102013107499A1 (de) * 2013-07-15 2015-01-15 RIVA GmbH Lighting Vorrichtung und Verfahren zum direkten Betreiben einer Mehrzahl von Leuchtdioden an einer pulsierenden Gleichspannung
DE112014005132B4 (de) 2013-12-06 2025-01-16 Cree Lighting USA LLC (n.d.Ges.d. Staates Delaware) Für gezielte spektrale energieverteilung eingerichtete festkörper-beleuchtungsvorrichtung und schaltkreise, die led-segmente einschliessen, und verfahren zum betreiben derselben
JP6207771B2 (ja) * 2014-05-30 2017-10-04 フィリップス ライティング ホールディング ビー ヴィ 電流源により給電されるｌｅｄ照明回路
CN105188183B (zh) * 2014-06-19 2018-08-10 欧司朗有限公司 一种照明装置
JP6493857B2 (ja) * 2015-03-09 2019-04-03 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
US11083057B2 (en) * 2017-04-05 2021-08-03 Signify Holding B.V. LED lighting driver and drive method
FR3066674B1 (fr) * 2017-05-19 2021-09-03 Valeo Vision Source de courant partagee par plusieurs emetteurs de lumiere
CN107959991B (zh) * 2017-10-23 2020-05-05 扬州艾笛森光电有限公司 一种调光驱动电路

Family Cites Families (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3832109A1 (de) 1988-09-21 1990-03-22 Juergen Munz Leuchte
RU2151473C1 (ru) * 1998-06-25 2000-06-20 АОЗТ "Электролуч" Устройство включения светового прибора со светодиодами в сеть переменного тока
JP2000259993A (ja) * 1999-03-08 2000-09-22 Nippon Signal Co Ltd:The Ｌｅｄ灯器信号装置
JP2004327152A (ja) * 2003-04-23 2004-11-18 Toshiba Lighting & Technology Corp Ｌｅｄ点灯装置およびｌｅｄ照明器具
EP1636925A1 (en) * 2003-06-10 2006-03-22 Koninklijke Philips Electronics N.V. Led system for illumination and data transmission
KR100674867B1 (ko) * 2005-05-18 2007-01-30 삼성전기주식회사 과전류/과전압 보호 기능을 갖는 직류-직류 컨버터 및 이를구비한 ｌｅｄ 구동회로
US20060273331A1 (en) 2005-06-07 2006-12-07 Lim Kevin Len L Two-terminal LED device with tunable color
CN100499951C (zh) 2006-02-25 2009-06-10 孙志揩 发光二极管的稳定长效照明指示装置
JP2007258227A (ja) * 2006-03-20 2007-10-04 Stanley Electric Co Ltd Ｌｅｄ駆動回路
TW200740095A (en) * 2006-04-11 2007-10-16 Beyond Innovation Tech Co Ltd DC-DC converter
JP5256623B2 (ja) * 2007-02-28 2013-08-07 東芝ライテック株式会社 照明装置
US7560677B2 (en) * 2007-03-13 2009-07-14 Renaissance Lighting, Inc. Step-wise intensity control of a solid state lighting system
US8203260B2 (en) * 2007-04-13 2012-06-19 Intematix Corporation Color temperature tunable white light source
US7531971B2 (en) * 2007-05-14 2009-05-12 Tpo Displays Corp. Backlight units and display devices
JP2009004483A (ja) * 2007-06-20 2009-01-08 Sharp Corp 発光ダイオード駆動回路
ATE525892T1 (de) * 2007-07-23 2011-10-15 Nxp Bv Selbstversorgte led-bypassschalterkonfiguration
CN101779522B (zh) 2007-07-23 2014-11-19 Nxp股份有限公司 具有旁路驱动的led装置
EP2177081B1 (en) * 2007-08-06 2019-06-12 Nxp B.V. Solid state lighting system and a driver integrated circuit for driving light emitting semiconductor devices
US8400071B2 (en) 2007-12-07 2013-03-19 Koninklijke Philips Electronics N.V. LED lamp power management system and method
US20090295300A1 (en) * 2008-02-08 2009-12-03 Purespectrum, Inc Methods and apparatus for a dimmable ballast for use with led based light sources
JP4511634B1 (ja) * 2010-03-05 2010-07-28 キヤノン・コンポーネンツ株式会社 画像読取装置における白色発光装置およびそれを用いたライン状照明装置
US7986102B2 (en) 2008-09-12 2011-07-26 General Electric Company Adjustable color solid state lighting
GB2476609B (en) * 2008-10-20 2014-02-19 Tridonic Ag Operating circuit for light diodes
US8421369B2 (en) * 2008-10-28 2013-04-16 Samsung Electro-Mechanics Co., Ltd. Light emitting diode having protection function
US7986107B2 (en) * 2008-11-06 2011-07-26 Lumenetix, Inc. Electrical circuit for driving LEDs in dissimilar color string lengths
US8324820B2 (en) * 2008-11-24 2012-12-04 Jlj, Inc. Capacitor shunted LED light string
US10264637B2 (en) 2009-09-24 2019-04-16 Cree, Inc. Solid state lighting apparatus with compensation bypass circuits and methods of operation thereof
JP5513829B2 (ja) * 2009-10-01 2014-06-04 パナソニック株式会社 電流駆動回路
CN102076141A (zh) * 2009-11-21 2011-05-25 佛山市顺德区汉达精密电子科技有限公司 发光二极管驱动电路
RU103991U1 (ru) * 2010-11-15 2011-04-27 Общество с ограниченной ответственностью "Силовая электроника" Источник питания для светодиодной матрицы

Also Published As

Publication number Publication date
ES2708694T3 (es) 2019-04-10
US9148924B2 (en) 2015-09-29
BR112014002777A2 (pt) 2017-02-21
CN103718648B (zh) 2016-10-19
RU2597326C2 (ru) 2016-09-10
JP2014527719A (ja) 2014-10-16
US20140210367A1 (en) 2014-07-31
EP2742775A1 (en) 2014-06-18
WO2013021320A1 (en) 2013-02-14
RU2014108990A (ru) 2015-09-20
EP2742775B1 (en) 2018-11-28
CN103718648A (zh) 2014-04-09
JP6072793B2 (ja) 2017-02-01

Similar Documents

Publication Publication Date Title
DK2742775T3 (en) LED LIGHT SOURCE WITH REDUCED FLASHER
EP2397017B1 (en) Light emitting device system and driver
RU2606502C2 (ru) Устройство и способ управления током для схемы твердотельного освещения
EP2016804B1 (en) Light emitting diode circuit and arrangement and device
JP5725736B2 (ja) Ｌｅｄ電源装置及びｌｅｄ照明器具
EP2710861B1 (en) Light generating device
JP5842161B2 (ja) 照明器具及び同器具を用いた可視光通信システム
JP5665382B2 (ja) Ｌｅｄ電源装置及びｌｅｄ照明器具
US20120268008A1 (en) LED Circuits and Assemblies
CN101316468A (zh) 照明装置
JP2004296205A (ja) Ｌｅｄ調光点灯装置及び照明器具
US20110068693A1 (en) Lighting apparatus and the method for using the same
US20170339759A1 (en) Emission control device, light-emitting module, light-emitting unit, and lighting fixture
JP2015506104A (ja) 発光デバイス及びシステム
US8872443B2 (en) Lighting apparatus and control circuit
KR101178427B1 (ko) 지능형 파이로트 램프
CN216291513U (zh) 色温可调的led驱动电路
US9198265B2 (en) Illumination apparatus automatically adjusted with time
JP7044944B2 (ja) 発光ダイオード（ｌｅｄ）照明デバイスのための照明器具
US20170019962A1 (en) LED Circuit With Multiple Switch Configurations
NL1027960C2 (nl) Reactieve schakeling en gelijkrichtschakeling
KR20190003702A (ko) 탭된 선형 구동기를 갖는 멀티-패드, 멀티-접합 led 패키지
JP2013149480A (ja) 照明装置
WO2011030246A2 (en) Driving circuit for driving a plurality of light sources