TW200937999A - Procedure and switching configuration for the two-stage regulation of semiconductor sources of light - Google Patents

Procedure and switching configuration for the two-stage regulation of semiconductor sources of light Download PDF

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Publication number
TW200937999A
TW200937999A TW098101768A TW98101768A TW200937999A TW 200937999 A TW200937999 A TW 200937999A TW 098101768 A TW098101768 A TW 098101768A TW 98101768 A TW98101768 A TW 98101768A TW 200937999 A TW200937999 A TW 200937999A
Authority
TW
Taiwan
Prior art keywords
voltage
forward bias
semiconductor light
output voltage
switching regulator
Prior art date
Application number
TW098101768A
Other languages
English (en)
Chinese (zh)
Inventor
Frederik Hempelmann
Ralf Hying
Peter Niedermeier
Original Assignee
Osram Gmbh
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 Osram Gmbh filed Critical Osram Gmbh
Publication of TW200937999A publication Critical patent/TW200937999A/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]
    • H05B45/20—Controlling the colour 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
    • H05B45/395—Linear regulators
    • 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

  • Led Devices (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
TW098101768A 2008-01-24 2009-01-17 Procedure and switching configuration for the two-stage regulation of semiconductor sources of light TW200937999A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2008/050796 WO2009092443A1 (de) 2008-01-24 2008-01-24 Verfahren und schaltungsanordnung zur zweistufigen regelung von halbleiterlichtquellen.

Publications (1)

Publication Number Publication Date
TW200937999A true TW200937999A (en) 2009-09-01

Family

ID=39711863

Family Applications (1)

Application Number Title Priority Date Filing Date
TW098101768A TW200937999A (en) 2008-01-24 2009-01-17 Procedure and switching configuration for the two-stage regulation of semiconductor sources of light

Country Status (2)

Country Link
TW (1) TW200937999A (de)
WO (1) WO2009092443A1 (de)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7157809B2 (en) * 2002-09-12 2007-01-02 Toko, Inc. Method and circuits for inductive DC converters with current regulated output
US6836157B2 (en) * 2003-05-09 2004-12-28 Semtech Corporation Method and apparatus for driving LEDs
JP4707400B2 (ja) * 2005-01-25 2011-06-22 ローム株式会社 電源装置、発光装置ならびに表示装置
CA2972780C (en) * 2005-04-08 2020-04-28 Eldolab Holding B.V. Methods and apparatuses for operating groups of high-power leds
CA2530661A1 (en) * 2005-12-16 2007-06-16 Dellux Technologies Inc. Led electric circuit assembly
KR20070084741A (ko) * 2006-02-21 2007-08-27 삼성전자주식회사 발광장치 및 그 제어방법
US7696964B2 (en) * 2006-06-09 2010-04-13 Philips Lumileds Lighting Company, Llc LED backlight for LCD with color uniformity recalibration over lifetime

Also Published As

Publication number Publication date
WO2009092443A1 (de) 2009-07-30

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