DE60221654D1 - Schaltungsanordnung zum steuern einer lichtquelle - Google Patents

Schaltungsanordnung zum steuern einer lichtquelle

Info

Publication number
DE60221654D1
DE60221654D1 DE60221654T DE60221654T DE60221654D1 DE 60221654 D1 DE60221654 D1 DE 60221654D1 DE 60221654 T DE60221654 T DE 60221654T DE 60221654 T DE60221654 T DE 60221654T DE 60221654 D1 DE60221654 D1 DE 60221654D1
Authority
DE
Germany
Prior art keywords
controlling
light source
light sources
circuit arrangement
adjusting
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.)
Expired - Lifetime
Application number
DE60221654T
Other languages
English (en)
Other versions
DE60221654T2 (de
Inventor
Subramanian Muthu
Chin Chang
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke 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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of DE60221654D1 publication Critical patent/DE60221654D1/de
Application granted granted Critical
Publication of DE60221654T2 publication Critical patent/DE60221654T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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]
    • H05B45/20—Controlling the colour of the light
    • H05B45/24—Controlling the colour of the light using electrical feedback from LEDs or from LED modules
    • 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]
    • 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]
    • H05B45/39—Circuits containing inverter bridges
    • 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
    • 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]
    • H05B45/38—Switched mode power supply [SMPS] using boost topology
    • 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)
  • Liquid Crystal Display Device Control (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
DE60221654T 2001-03-16 2002-03-14 Schaltungsanordnung zum steuern einer lichtquelle Expired - Lifetime DE60221654T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/810,142 US6510995B2 (en) 2001-03-16 2001-03-16 RGB LED based light driver using microprocessor controlled AC distributed power system
PCT/IB2002/000773 WO2002076150A1 (en) 2001-03-16 2002-03-14 Apparatus for controlling a light source
US810142 2004-03-26

Publications (2)

Publication Number Publication Date
DE60221654D1 true DE60221654D1 (de) 2007-09-20
DE60221654T2 DE60221654T2 (de) 2008-05-21

Family

ID=25203119

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60221654T Expired - Lifetime DE60221654T2 (de) 2001-03-16 2002-03-14 Schaltungsanordnung zum steuern einer lichtquelle

Country Status (7)

Country Link
US (1) US6510995B2 (de)
EP (1) EP1374642B1 (de)
JP (1) JP4117196B2 (de)
CN (1) CN100367827C (de)
AT (1) ATE369721T1 (de)
DE (1) DE60221654T2 (de)
WO (1) WO2002076150A1 (de)

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ATE369721T1 (de) 2007-08-15
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JP4117196B2 (ja) 2008-07-16
CN1459216A (zh) 2003-11-26
DE60221654T2 (de) 2008-05-21
US6510995B2 (en) 2003-01-28
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EP1374642B1 (de) 2007-08-08
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