CN101379879B - 发光二极管驱动器电路 - Google Patents

发光二极管驱动器电路 Download PDF

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Publication number
CN101379879B
CN101379879B CN2007800041739A CN200780004173A CN101379879B CN 101379879 B CN101379879 B CN 101379879B CN 2007800041739 A CN2007800041739 A CN 2007800041739A CN 200780004173 A CN200780004173 A CN 200780004173A CN 101379879 B CN101379879 B CN 101379879B
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CN
China
Prior art keywords
led
driver circuit
voltage
comparator
emitting diode
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Application number
CN2007800041739A
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English (en)
Chinese (zh)
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CN101379879A (zh
Inventor
G·索尔莱恩德
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Signify Holding BV
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Koninklijke Philips Electronics NV
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Publication of CN101379879A publication Critical patent/CN101379879A/zh
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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
    • H05B45/37—Converter circuits
    • 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]
    • H05B45/10—Controlling the intensity 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]
    • H05B45/30—Driver circuits
    • H05B45/37—Converter circuits
    • H05B45/3725—Switched mode power supply [SMPS]
    • H05B45/375—Switched mode power supply [SMPS] using buck topology
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]
    • 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]
    • H05B45/385—Switched mode power supply [SMPS] using flyback topology

Landscapes

  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Dc-Dc Converters (AREA)
  • Led Devices (AREA)
  • Electronic Switches (AREA)
CN2007800041739A 2006-01-31 2007-01-26 发光二极管驱动器电路 Active CN101379879B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP06101079.9 2006-01-31
EP06101079 2006-01-31
PCT/IB2007/050279 WO2007088505A1 (en) 2006-01-31 2007-01-26 Led driver circuit

Publications (2)

Publication Number Publication Date
CN101379879A CN101379879A (zh) 2009-03-04
CN101379879B true CN101379879B (zh) 2011-08-17

Family

ID=37905021

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2007800041739A Active CN101379879B (zh) 2006-01-31 2007-01-26 发光二极管驱动器电路

Country Status (7)

Country Link
US (1) US8217587B2 (enExample)
EP (1) EP1982560A1 (enExample)
JP (1) JP5329235B2 (enExample)
KR (1) KR101303362B1 (enExample)
CN (1) CN101379879B (enExample)
TW (1) TWI434609B (enExample)
WO (1) WO2007088505A1 (enExample)

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US8188671B2 (en) * 2011-06-07 2012-05-29 Switch Bulb Company, Inc. Power factor control for an LED bulb driver circuit
US8710770B2 (en) 2011-07-26 2014-04-29 Hunter Industries, Inc. Systems and methods for providing power and data to lighting devices
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US10874003B2 (en) 2011-07-26 2020-12-22 Hunter Industries, Inc. Systems and methods for providing power and data to devices
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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
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CN2631184Y (zh) * 2003-07-17 2004-08-04 上海精密科学仪器有限公司 发光二极管驱动电路

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Also Published As

Publication number Publication date
EP1982560A1 (en) 2008-10-22
TW200803618A (en) 2008-01-01
US20090021182A1 (en) 2009-01-22
KR101303362B1 (ko) 2013-09-03
TWI434609B (zh) 2014-04-11
WO2007088505A1 (en) 2007-08-09
JP2009525595A (ja) 2009-07-09
JP5329235B2 (ja) 2013-10-30
CN101379879A (zh) 2009-03-04
KR20080098396A (ko) 2008-11-07
US8217587B2 (en) 2012-07-10

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SE01 Entry into force of request for substantive examination
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GR01 Patent grant
CP01 Change in the name or title of a patent holder
CP01 Change in the name or title of a patent holder

Address after: Holland Ian Deho Finn

Patentee after: KONINKLIJKE PHILIPS N.V.

Address before: Holland Ian Deho Finn

Patentee before: Koninklijke Philips Electronics N.V.

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20170317

Address after: The city of Eindhoven in Holland

Patentee after: PHILIPS LIGHTING HOLDING B.V.

Address before: Holland Ian Deho Finn

Patentee before: KONINKLIJKE PHILIPS N.V.

CP03 Change of name, title or address
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.