AU2001271072A1 - Light-emitting device drive circuit - Google Patents

Light-emitting device drive circuit

Info

Publication number
AU2001271072A1
AU2001271072A1 AU2001271072A AU7107201A AU2001271072A1 AU 2001271072 A1 AU2001271072 A1 AU 2001271072A1 AU 2001271072 A AU2001271072 A AU 2001271072A AU 7107201 A AU7107201 A AU 7107201A AU 2001271072 A1 AU2001271072 A1 AU 2001271072A1
Authority
AU
Australia
Prior art keywords
light
emitting device
drive circuit
device drive
emitting
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.)
Abandoned
Application number
AU2001271072A
Other languages
English (en)
Inventor
Seiichiro Mizuno
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.)
Hamamatsu Photonics KK
Original Assignee
Hamamatsu Photonics KK
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 Hamamatsu Photonics KK filed Critical Hamamatsu Photonics KK
Publication of AU2001271072A1 publication Critical patent/AU2001271072A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00—Semiconductor lasers
    • H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00—Semiconductor lasers
    • H01S5/04—Processes or apparatus for excitation, e.g. pumping, e.g. by electron beams
    • H01S5/042—Electrical excitation ; Circuits therefor
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optics & Photonics (AREA)
  • Semiconductor Lasers (AREA)
  • Led Devices (AREA)
AU2001271072A 2000-07-19 2001-07-18 Light-emitting device drive circuit Abandoned AU2001271072A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2000-219777 2000-07-19
JP2000219777 2000-07-19
PCT/JP2001/006242 WO2002007276A1 (fr) 2000-07-19 2001-07-18 Circuit d'attaque de dispositif photoemetteur

Publications (1)

Publication Number Publication Date
AU2001271072A1 true AU2001271072A1 (en) 2002-01-30

Family

ID=18714497

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001271072A Abandoned AU2001271072A1 (en) 2000-07-19 2001-07-18 Light-emitting device drive circuit

Country Status (8)

Country Link
US (1) US6563849B2 (fr)
EP (1) EP1311040B1 (fr)
JP (1) JP3391784B2 (fr)
KR (1) KR100784505B1 (fr)
CN (1) CN1316699C (fr)
AU (1) AU2001271072A1 (fr)
DE (1) DE60128812T2 (fr)
WO (1) WO2002007276A1 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6816529B2 (en) * 2001-03-30 2004-11-09 Santur Corporation High speed modulation of arrayed lasers
TW550977B (en) * 2002-02-15 2003-09-01 Ind Tech Res Inst Control circuit for driving light emitting device
JP4072047B2 (ja) * 2002-11-29 2008-04-02 松下電器産業株式会社 レーザダイオード駆動装置
JP4364664B2 (ja) * 2004-02-04 2009-11-18 シャープ株式会社 発光ダイオード駆動回路および光ファイバリンク用光送信機
US8000368B2 (en) * 2006-07-26 2011-08-16 Santur Corporation Modulated semiconductor DFB laser array with a MEMS-based RF switch
JP5509662B2 (ja) * 2009-04-13 2014-06-04 ソニー株式会社 レーザ駆動装置
GB2484535B (en) * 2010-10-15 2015-08-12 New Lighting Technology Ltd Illumination apparatus and method
KR20130012670A (ko) 2011-07-26 2013-02-05 삼성디스플레이 주식회사 백라이트 유닛 및 그것의 전류 제어 방법
EP4292520A3 (fr) 2017-10-16 2024-07-10 Massachusetts Institute of Technology Systèmes, dispositifs et procédés pour des mesures hématologiques non invasives
CN115699108A (zh) 2020-05-28 2023-02-03 露科实验室股份有限公司 一种从无创性毛细血管视频中检测白细胞和/或白细胞亚型的方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0731823B2 (ja) 1987-04-08 1995-04-10 パイオニア株式会社 光源駆動回路
JP2994442B2 (ja) * 1990-08-30 1999-12-27 株式会社リコー 半導体レーザ制御装置
JP3146467B2 (ja) * 1992-10-21 2001-03-19 住友電気工業株式会社 半導体レーザ駆動回路
JP3725235B2 (ja) * 1996-03-29 2005-12-07 富士通株式会社 発光素子駆動回路及びこれを有する発光装置
US5898334A (en) 1997-05-12 1999-04-27 Elantec Semiconductor, Inc. Reduced output capacitance circuit for driving a grounded load in response to a stepped input
JP3405518B2 (ja) * 1998-01-29 2003-05-12 住友電気工業株式会社 半導体レーザ駆動回路
JP2000252521A (ja) * 1999-02-24 2000-09-14 Nec Corp 発光素子駆動回路

Also Published As

Publication number Publication date
CN1316699C (zh) 2007-05-16
US20020048298A1 (en) 2002-04-25
KR20030023707A (ko) 2003-03-19
EP1311040A4 (fr) 2003-08-27
CN1443386A (zh) 2003-09-17
EP1311040A1 (fr) 2003-05-14
DE60128812D1 (de) 2007-07-19
JP3391784B2 (ja) 2003-03-31
WO2002007276A1 (fr) 2002-01-24
KR100784505B1 (ko) 2007-12-11
US6563849B2 (en) 2003-05-13
EP1311040B1 (fr) 2007-06-06
DE60128812T2 (de) 2008-01-31

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