CN100531494C - 对发光二极管阵列供电的方法及装置 - Google Patents

对发光二极管阵列供电的方法及装置 Download PDF

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Publication number
CN100531494C
CN100531494C CNB2007101092354A CN200710109235A CN100531494C CN 100531494 C CN100531494 C CN 100531494C CN B2007101092354 A CNB2007101092354 A CN B2007101092354A CN 200710109235 A CN200710109235 A CN 200710109235A CN 100531494 C CN100531494 C CN 100531494C
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CN
China
Prior art keywords
circuit
load
switch
coupled
overcoupling
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Expired - Fee Related
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CNB2007101092354A
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English (en)
Chinese (zh)
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CN101080119A (zh
Inventor
R·J·迈尔
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Power Integrations Inc
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Power Integrations Inc
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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]
    • H05B45/40—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
    • 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]

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  • Dc-Dc Converters (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Led Devices (AREA)
CNB2007101092354A 2006-05-24 2007-05-24 对发光二极管阵列供电的方法及装置 Expired - Fee Related CN100531494C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/440,606 US20070273681A1 (en) 2006-05-24 2006-05-24 Method and apparatus to power light emitting diode arrays
US11/440606 2006-05-24

Publications (2)

Publication Number Publication Date
CN101080119A CN101080119A (zh) 2007-11-28
CN100531494C true CN100531494C (zh) 2009-08-19

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CNB2007101092354A Expired - Fee Related CN100531494C (zh) 2006-05-24 2007-05-24 对发光二极管阵列供电的方法及装置

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Country Link
US (1) US20070273681A1 (https=)
EP (1) EP1860922B1 (https=)
JP (1) JP4950631B2 (https=)
CN (1) CN100531494C (https=)
DE (1) DE602007004146D1 (https=)

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Also Published As

Publication number Publication date
JP2007318983A (ja) 2007-12-06
CN101080119A (zh) 2007-11-28
EP1860922B1 (en) 2010-01-06
EP1860922A1 (en) 2007-11-28
JP4950631B2 (ja) 2012-06-13
US20070273681A1 (en) 2007-11-29
DE602007004146D1 (de) 2010-02-25

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