TWI434609B - 發光二極體驅動器電路 - Google Patents

發光二極體驅動器電路 Download PDF

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Publication number
TWI434609B
TWI434609B TW096103240A TW96103240A TWI434609B TW I434609 B TWI434609 B TW I434609B TW 096103240 A TW096103240 A TW 096103240A TW 96103240 A TW96103240 A TW 96103240A TW I434609 B TWI434609 B TW I434609B
Authority
TW
Taiwan
Prior art keywords
led
terminal
driver circuit
comparator
led driver
Prior art date
Application number
TW096103240A
Other languages
English (en)
Chinese (zh)
Other versions
TW200803618A (en
Inventor
Georg Sauerlaender
Original Assignee
Koninkl Philips Electronics 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 Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Publication of TW200803618A publication Critical patent/TW200803618A/zh
Application granted granted Critical
Publication of TWI434609B publication Critical patent/TWI434609B/zh

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
    • H05B45/37—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)
TW096103240A 2006-01-31 2007-01-29 發光二極體驅動器電路 TWI434609B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06101079 2006-01-31

Publications (2)

Publication Number Publication Date
TW200803618A TW200803618A (en) 2008-01-01
TWI434609B true TWI434609B (zh) 2014-04-11

Family

ID=37905021

Family Applications (1)

Application Number Title Priority Date Filing Date
TW096103240A TWI434609B (zh) 2006-01-31 2007-01-29 發光二極體驅動器電路

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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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
CN101379879B (zh) 2011-08-17
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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