CN104303597B - 光源电路 - Google Patents

光源电路 Download PDF

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Publication number
CN104303597B
CN104303597B CN201380025576.7A CN201380025576A CN104303597B CN 104303597 B CN104303597 B CN 104303597B CN 201380025576 A CN201380025576 A CN 201380025576A CN 104303597 B CN104303597 B CN 104303597B
Authority
CN
China
Prior art keywords
group
light source
emitting diodes
source circuit
light
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.)
Active
Application number
CN201380025576.7A
Other languages
English (en)
Chinese (zh)
Other versions
CN104303597A (zh
Inventor
J·A·M·范厄
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
Original Assignee
Koninklijke Philips 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 NV filed Critical Koninklijke Philips NV
Publication of CN104303597A publication Critical patent/CN104303597A/zh
Application granted granted Critical
Publication of CN104303597B publication Critical patent/CN104303597B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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]

Landscapes

  • Circuit Arrangement For Electric Light Sources In General (AREA)
CN201380025576.7A 2012-05-15 2013-05-06 光源电路 Active CN104303597B (zh)

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 (2)

Publication Number Publication Date
CN104303597A CN104303597A (zh) 2015-01-21
CN104303597B true CN104303597B (zh) 2017-12-15

Family

ID=48628757

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201380025576.7A Active CN104303597B (zh) 2012-05-15 2013-05-06 光源电路

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)

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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
JP6389457B2 (ja) 2018-09-12
US9504115B2 (en) 2016-11-22
JP2015522903A (ja) 2015-08-06
CN104303597A (zh) 2015-01-21
PL2850917T3 (pl) 2017-08-31

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Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
TA01 Transfer of patent application right

Effective date of registration: 20170310

Address after: The city of Eindhoven in Holland

Applicant after: KONINKL PHILIPS NV

Address before: The city of Eindhoven in Holland

Applicant before: Koninkl Philips Electronics NV

TA01 Transfer of patent application right
GR01 Patent grant
GR01 Patent grant
CP03 Change of name, title or address

Address after: Eindhoven

Patentee after: Signify Holdings Ltd.

Address before: The city of Eindhoven in Holland

Patentee before: PHILIPS LIGHTING HOLDING B.V.

CP03 Change of name, title or address