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PL2850917T3 - Obwody źródła światła - Google Patents

Obwody źródła światła

Info

Publication number
PL2850917T3
PL2850917T3 PL13729464T PL13729464T PL2850917T3 PL 2850917 T3 PL2850917 T3 PL 2850917T3 PL 13729464 T PL13729464 T PL 13729464T PL 13729464 T PL13729464 T PL 13729464T PL 2850917 T3 PL2850917 T3 PL 2850917T3
Authority
PL
Poland
Prior art keywords
light source
source circuitry
circuitry
light
source
Prior art date
Application number
PL13729464T
Other languages
English (en)
Inventor
Erp Josephus Adrianus Maria Van
Original Assignee
Philips Lighting Holding B.V.
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 B.V. filed Critical Philips Lighting Holding B.V.
Publication of PL2850917T3 publication Critical patent/PL2850917T3/pl

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]
    • H05B45/30—Driver circuits
    • H05B45/395—Linear regulators
    • 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
    • H05B45/46—Details of LED load circuits with an active control inside an LED matrix having LEDs disposed in parallel lines
    • 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
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/20—Responsive to malfunctions or to light source life; for protection
    • H05B47/25—Circuit arrangements for protecting against overcurrent
    • 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]
PL13729464T 2012-05-15 2013-05-06 Obwody źródła światła PL2850917T3 (pl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US201261646934P 2012-05-15 2012-05-15

Publications (1)

Publication Number Publication Date
PL2850917T3 true PL2850917T3 (pl) 2017-08-31

Family

ID=48628757

Family Applications (1)

Application Number Title Priority Date Filing Date
PL13729464T PL2850917T3 (pl) 2012-05-15 2013-05-06 Obwody źródła światła

Country Status (6)

Country Link
US (1) US9504115B2 (pl)
EP (1) EP2850917B1 (pl)
JP (1) JP6389457B2 (pl)
CN (1) CN104303597B (pl)
PL (1) PL2850917T3 (pl)
WO (1) WO2013171622A1 (pl)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016207009A1 (en) * 2015-06-25 2016-12-29 Philips Lighting Holding B.V. Led lighting arrangement
DE102016125457A1 (de) 2015-12-25 2017-06-29 Panasonic Intellectual Property Management Co., Ltd. Beleuchtungslicht-Kommunikationsvorrichtung und Kommunikationsmodul
US10104730B2 (en) 2017-03-07 2018-10-16 B/E Aerospace, Inc. LED bulb and method for operating same
WO2021181229A1 (en) * 2020-03-10 2021-09-16 Alcon Inc. Systems and methods for controlled illumination of light-emitting diodes
EP4381904A1 (en) 2021-08-02 2024-06-12 Bio-Rad Laboratories, Inc. Circuit for sharing current between parallel leds or parallel strings of leds

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6095661A (en) 1998-03-19 2000-08-01 Ppt Vision, Inc. Method and apparatus for an L.E.D. flashlight
JPH11298044A (ja) * 1998-04-16 1999-10-29 Sony Corp 光源駆動回路
US6538394B2 (en) * 2001-03-30 2003-03-25 Maxim Integrated Products, Inc. Current source methods and apparatus for light emitting diodes
US6621235B2 (en) * 2001-08-03 2003-09-16 Koninklijke Philips Electronics N.V. Integrated LED driving device with current sharing for multiple LED strings
US6864641B2 (en) * 2003-02-20 2005-03-08 Visteon Global Technologies, Inc. Method and apparatus for controlling light emitting diodes
TW200517011A (en) * 2003-11-05 2005-05-16 Richtek Techohnology Corp Drive circuit for driving plural DC light sources
US7173383B2 (en) 2004-09-08 2007-02-06 Emteq, Inc. Lighting apparatus having a plurality of independently controlled sources of different colors of light
JP2007059260A (ja) * 2005-08-25 2007-03-08 Toshiba Lighting & Technology Corp 照明装置及び照明器具
US7847783B2 (en) 2005-10-11 2010-12-07 O2Micro International Limited Controller circuitry for light emitting diodes
US20070152909A1 (en) 2006-01-05 2007-07-05 Sanyo Electric Co., Ltd. Led device
TWI298599B (en) 2006-03-03 2008-07-01 Au Optronics Corp Organic light emitting display, panel and driving device thereof
TWI349902B (en) * 2006-11-16 2011-10-01 Chunghwa Picture Tubes Ltd Controlling apparatuses for controlling a plurality of led strings and related light modules
JP2009152518A (ja) * 2007-11-30 2009-07-09 Omron Corp 発光ダイオード駆動装置
US7928670B2 (en) * 2008-06-30 2011-04-19 Iwatt Inc. LED driver with multiple feedback loops
US8044609B2 (en) * 2008-12-31 2011-10-25 02Micro Inc Circuits and methods for controlling LCD backlights
US9232592B2 (en) * 2012-04-20 2016-01-05 Trilumina Corp. Addressable illuminator with eye-safety circuitry
KR20120018773A (ko) * 2009-04-23 2012-03-05 코닌클리즈케 필립스 일렉트로닉스 엔.브이. Ｌｅｄ 램프용 드라이버
JP5462535B2 (ja) * 2009-06-25 2014-04-02 パナソニック株式会社 照明装置
CN101674693B (zh) * 2009-10-01 2012-07-18 英飞特电子（杭州）有限公司 一种适用于led驱动器的多路恒流控制电路
US9468070B2 (en) 2010-02-16 2016-10-11 Cree Inc. Color control of light emitting devices and applications thereof
US8796952B2 (en) * 2011-03-03 2014-08-05 Cree, Inc. Semiconductor light emitting devices having selectable and/or adjustable color points and related methods
CN102752899B (zh) * 2011-04-02 2015-11-25 英飞特电子（杭州）股份有限公司 一种调整led电流的电路
US8896214B2 (en) * 2011-12-19 2014-11-25 Monolithic Power Systems, Inc. LED driving system for driving multi-string LEDs and the method thereof

Also Published As

Publication number Publication date
EP2850917A1 (en) 2015-03-25
US9504115B2 (en) 2016-11-22
CN104303597A (zh) 2015-01-21
JP2015522903A (ja) 2015-08-06
US20150108919A1 (en) 2015-04-23
WO2013171622A1 (en) 2013-11-21
CN104303597B (zh) 2017-12-15
JP6389457B2 (ja) 2018-09-12
EP2850917B1 (en) 2017-02-22

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