DE60040628D1 - Elektronisches Beleuchtungsgerät und Beleuchtungsverfahren - Google Patents

Elektronisches Beleuchtungsgerät und Beleuchtungsverfahren

Info

Publication number
DE60040628D1
DE60040628D1 DE60040628T DE60040628T DE60040628D1 DE 60040628 D1 DE60040628 D1 DE 60040628D1 DE 60040628 T DE60040628 T DE 60040628T DE 60040628 T DE60040628 T DE 60040628T DE 60040628 D1 DE60040628 D1 DE 60040628D1
Authority
DE
Germany
Prior art keywords
leds
coil
battery
switch
circuit
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
DE60040628T
Other languages
English (en)
Inventor
Janne Haavisto
Kaisa Rikkinen
Mika Rintala
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.)
Nokia Oyj
Original Assignee
Nokia Oyj
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
Priority claimed from FI990128A external-priority patent/FI990128A/fi
Application filed by Nokia Oyj filed Critical Nokia Oyj
Application granted granted Critical
Publication of DE60040628D1 publication Critical patent/DE60040628D1/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]
    • H05B45/30—Driver circuits
    • H05B45/37—Converter circuits
    • H05B45/3725—Switched mode power supply [SMPS]
    • H05B45/385—Switched mode power supply [SMPS] using flyback topology
    • 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)
  • Led Devices (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Container Filling Or Packaging Operations (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
DE60040628T 1999-01-22 2000-01-21 Elektronisches Beleuchtungsgerät und Beleuchtungsverfahren Expired - Lifetime DE60040628D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI990128A FI990128A (fi) 1999-01-22 1999-01-22 Valaiseva elektroninen laite
FI991140A FI106770B (fi) 1999-01-22 1999-05-19 Valaiseva elektroninen laite ja valaisumenetelmä

Publications (1)

Publication Number Publication Date
DE60040628D1 true DE60040628D1 (de) 2008-12-11

Family

ID=26160691

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60040628T Expired - Lifetime DE60040628D1 (de) 1999-01-22 2000-01-21 Elektronisches Beleuchtungsgerät und Beleuchtungsverfahren

Country Status (6)

Country Link
US (1) US6320330B1 (de)
EP (1) EP1033903B1 (de)
JP (1) JP2000232241A (de)
AT (1) ATE413085T1 (de)
DE (1) DE60040628D1 (de)
FI (1) FI106770B (de)

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Also Published As

Publication number Publication date
EP1033903A2 (de) 2000-09-06
ATE413085T1 (de) 2008-11-15
FI991140A0 (fi) 1999-05-19
JP2000232241A (ja) 2000-08-22
FI106770B (fi) 2001-03-30
FI991140A (fi) 2000-07-23
EP1033903B1 (de) 2008-10-29
EP1033903A3 (de) 2004-05-06
US6320330B1 (en) 2001-11-20

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