JP6389457B2 - 光源回路 - Google Patents

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Publication number
JP6389457B2
JP6389457B2 JP2015512160A JP2015512160A JP6389457B2 JP 6389457 B2 JP6389457 B2 JP 6389457B2 JP 2015512160 A JP2015512160 A JP 2015512160A JP 2015512160 A JP2015512160 A JP 2015512160A JP 6389457 B2 JP6389457 B2 JP 6389457B2
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JP
Japan
Prior art keywords
group
emitting diodes
light source
light emitting
source circuit
Prior art date
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Application number
JP2015512160A
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English (en)
Japanese (ja)
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JP2015522903A (ja
JP2015522903A5 (enExample
Inventor
アープ ヨセフュス アドリアヌス マリア ファン
アープ ヨセフュス アドリアヌス マリア ファン
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.)
Signify Holding BV
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Signify Holding BV
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Publication date
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Publication of JP2015522903A publication Critical patent/JP2015522903A/ja
Publication of JP2015522903A5 publication Critical patent/JP2015522903A5/ja
Application granted granted Critical
Publication of JP6389457B2 publication Critical patent/JP6389457B2/ja
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    • 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]

Landscapes

  • Circuit Arrangement For Electric Light Sources In General (AREA)
JP2015512160A 2012-05-15 2013-05-06 光源回路 Active JP6389457B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201261646934P 2012-05-15 2012-05-15
US61/646,934 2012-05-15
PCT/IB2013/053619 WO2013171622A1 (en) 2012-05-15 2013-05-06 Light source circuitry

Publications (3)

Publication Number Publication Date
JP2015522903A JP2015522903A (ja) 2015-08-06
JP2015522903A5 JP2015522903A5 (enExample) 2017-06-29
JP6389457B2 true JP6389457B2 (ja) 2018-09-12

Family

ID=48628757

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2015512160A Active JP6389457B2 (ja) 2012-05-15 2013-05-06 光源回路

Country Status (6)

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

Families Citing this family (6)

* 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
ES2951391T3 (es) * 2019-09-03 2023-10-20 Signify Holding Bv Un divisor de corriente basado en diodos emisores de luz, LED, para dividir una corriente de LED entre una pluralidad de canales de LED, así como un dispositivo de iluminación basado en diodos emisores de luz, LED, multicanal
CN115280901B (zh) * 2020-03-10 2025-04-15 爱尔康公司 用于发光二极管的受控照明的系统和方法
WO2023014614A1 (en) 2021-08-02 2023-02-09 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
RU2011147477A (ru) * 2009-04-23 2013-05-27 Конинклейке Филипс Электроникс Н.В. Драйвер для светодиодной лампы
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
US20150108919A1 (en) 2015-04-23
EP2850917B1 (en) 2017-02-22
EP2850917A1 (en) 2015-03-25
WO2013171622A1 (en) 2013-11-21
CN104303597B (zh) 2017-12-15
US9504115B2 (en) 2016-11-22
JP2015522903A (ja) 2015-08-06
CN104303597A (zh) 2015-01-21
PL2850917T3 (pl) 2017-08-31

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