DE602004030800D1 - Verfahren und vorrichtung zur energieversorgung von leuchtdioden - Google Patents

Verfahren und vorrichtung zur energieversorgung von leuchtdioden

Info

Publication number
DE602004030800D1
DE602004030800D1 DE602004030800T DE602004030800T DE602004030800D1 DE 602004030800 D1 DE602004030800 D1 DE 602004030800D1 DE 602004030800 T DE602004030800 T DE 602004030800T DE 602004030800 T DE602004030800 T DE 602004030800T DE 602004030800 D1 DE602004030800 D1 DE 602004030800D1
Authority
DE
Germany
Prior art keywords
light emitting
emitting diode
forward voltage
turned
switch
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.)
Active
Application number
DE602004030800T
Other languages
English (en)
Inventor
Lukas Haener
Juerg Fries
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.)
DSP Group Switzerland AG
Original Assignee
DSP Group Switzerland AG
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 DSP Group Switzerland AG filed Critical DSP Group Switzerland AG
Publication of DE602004030800D1 publication Critical patent/DE602004030800D1/de
Anticipated expiration legal-status Critical
Active 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]
    • H05B45/38—Switched mode power supply [SMPS] using boost 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]

Landscapes

  • Led Devices (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Circuit Arrangements For Discharge Lamps (AREA)
DE602004030800T 2003-07-16 2004-06-28 Verfahren und vorrichtung zur energieversorgung von leuchtdioden Active DE602004030800D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP03300061 2003-07-16
PCT/IB2004/002155 WO2005009086A1 (en) 2003-07-16 2004-06-28 Method and device for supplying power to leds

Publications (1)

Publication Number Publication Date
DE602004030800D1 true DE602004030800D1 (de) 2011-02-10

Family

ID=34072690

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004030800T Active DE602004030800D1 (de) 2003-07-16 2004-06-28 Verfahren und vorrichtung zur energieversorgung von leuchtdioden

Country Status (8)

Country Link
US (1) US7479741B2 (de)
EP (1) EP1649729B1 (de)
JP (1) JP2007516597A (de)
KR (1) KR101037274B1 (de)
CN (1) CN100490596C (de)
AT (1) ATE493865T1 (de)
DE (1) DE602004030800D1 (de)
WO (1) WO2005009086A1 (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101182674B1 (ko) * 2004-03-15 2012-09-14 필립스 솔리드-스테이트 라이팅 솔루션스, 인크. 전력 제어 방법 및 장치
CN1964587B (zh) * 2005-11-11 2011-03-16 崇贸科技股份有限公司 切换式发光单元控制系统及控制装置
TWI433588B (zh) 2005-12-13 2014-04-01 Koninkl Philips Electronics Nv 發光二極體發光裝置
US7923943B2 (en) * 2006-01-10 2011-04-12 Microsemi Corp.—Analog Mixed Signal Group Ltd. Secondary side post regulation for LED backlighting
KR100774884B1 (ko) 2006-02-22 2007-11-09 성호전자(주) 펄스 폭 변조에 의한 엘이디 구동장치
KR100786095B1 (ko) * 2006-08-10 2007-12-21 엘지전자 주식회사 발광 소자의 구동 시스템 및 그 구동 방법
NL1033446C2 (nl) * 2007-02-23 2008-08-26 Esquisse Het besturen van LED's.
DE102007020769B4 (de) * 2007-05-03 2010-08-05 Novar Gmbh Gefahrenmelder mit LED
JP5337153B2 (ja) * 2007-07-02 2013-11-06 コーニンクレッカ フィリップス エヌ ヴェ 負荷のための駆動装置及びこのような駆動装置を用いて負荷を駆動させる方法
JP5172500B2 (ja) * 2007-07-27 2013-03-27 ローム株式会社 駆動装置
US7906868B2 (en) * 2008-01-15 2011-03-15 Microsemi Corporation Fine tuned multiple output converter
US9531156B2 (en) 2008-06-18 2016-12-27 Versatile Power, Inc. Endoscopic light source
US9300113B2 (en) 2009-06-18 2016-03-29 Versatile Power, Inc. Apparatus and method for driving multiple lasers
US20110032731A1 (en) * 2009-08-04 2011-02-10 Asic Advantage Inc. Multiple independently regulated parameters using a single magnetic circuit element
DE102010001113B4 (de) 2010-01-21 2023-02-16 pmdtechnologies ag Beleuchtung für eine Lichtlaufzeit-Kamera
US8947014B2 (en) * 2010-08-12 2015-02-03 Huizhou Light Engine Ltd. LED switch circuitry for varying input voltage source
AU2010358999B2 (en) * 2010-08-12 2013-09-12 Huizhou Light Engine Limited LED switching circuit for varying input voltage source
GB2492833A (en) * 2011-07-14 2013-01-16 Softkinetic Sensors Nv LED boost converter driver circuit for Time Of Flight light sources
AT514027A3 (de) * 2013-03-07 2015-11-15 Felix Dipl Ing Dr Himmelstoss Verfahren zur Gewinnung von Konverterstrukturen für die Erzeugung von Strompulsen mit hoher Flankensteilheit
AT514028B1 (de) * 2013-03-07 2017-02-15 Dipl Ing Dr Himmelstoss Felix Optotreiberstufen mit raschem Stromanstieg in den lichtemittierenden Bauteilen

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Publication number Priority date Publication date Assignee Title
NL8900508A (nl) * 1989-03-02 1990-10-01 Philips Nv Geschakelde voedingsspanningsschakeling met aanloopschakeling.
US6459218B2 (en) * 1994-07-13 2002-10-01 Auckland Uniservices Limited Inductively powered lamp unit
CA2159842A1 (en) * 1994-12-05 1996-06-06 Joe A. Ortiz Diode drive current source
JP3443501B2 (ja) * 1996-07-16 2003-09-02 アルプス電気株式会社 駆動回路
SE519550C2 (sv) * 1997-01-03 2003-03-11 Ericsson Telefon Ab L M Drivkrets samt förfarande för att driva en sådan drivkrets
US6095661A (en) * 1998-03-19 2000-08-01 Ppt Vision, Inc. Method and apparatus for an L.E.D. flashlight
EP0967590A1 (de) * 1998-06-25 1999-12-29 Hewlett-Packard Company Optische Anzeigevorrichtung mit Leuchtdioden und Steuerverfahren dafür
FI106770B (fi) * 1999-01-22 2001-03-30 Nokia Mobile Phones Ltd Valaiseva elektroninen laite ja valaisumenetelmä
US7071762B2 (en) * 2001-01-31 2006-07-04 Koninklijke Philips Electronics N.V. Supply assembly for a led lighting module
US6798801B2 (en) * 2001-10-03 2004-09-28 Dorsal Networks, Inc. Pump laser current driver
US7178971B2 (en) * 2001-12-14 2007-02-20 The University Of Hong Kong High efficiency driver for color light emitting diodes (LED)
CA2391681A1 (en) * 2002-06-26 2003-12-26 Star Headlight & Lantern Co. Of Canada Ltd. Solid-state warning light with microprocessor controlled excitation circuit
US6690121B1 (en) * 2002-11-20 2004-02-10 Visteon Global Technologies, Inc. High precision luminance control for PWM-driven lamp

Also Published As

Publication number Publication date
KR20060056323A (ko) 2006-05-24
CN100490596C (zh) 2009-05-20
KR101037274B1 (ko) 2011-05-26
EP1649729B1 (de) 2010-12-29
US7479741B2 (en) 2009-01-20
WO2005009086A1 (en) 2005-01-27
ATE493865T1 (de) 2011-01-15
CN1823553A (zh) 2006-08-23
US20060234779A1 (en) 2006-10-19
JP2007516597A (ja) 2007-06-21
EP1649729A1 (de) 2006-04-26

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