DE602006008961D1 - Sichere opto-elektronische Ausfallerkennung für Hochleistungsleuchtdioden - Google Patents

Sichere opto-elektronische Ausfallerkennung für Hochleistungsleuchtdioden

Info

Publication number
DE602006008961D1
DE602006008961D1 DE602006008961T DE602006008961T DE602006008961D1 DE 602006008961 D1 DE602006008961 D1 DE 602006008961D1 DE 602006008961 T DE602006008961 T DE 602006008961T DE 602006008961 T DE602006008961 T DE 602006008961T DE 602006008961 D1 DE602006008961 D1 DE 602006008961D1
Authority
DE
Germany
Prior art keywords
transistor
led
unit
photo detection
fet1
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
DE602006008961T
Other languages
English (en)
Inventor
Heinz Telefont
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.)
Alcatel Lucent SAS
Original Assignee
Alcatel Lucent SAS
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 Alcatel Lucent SAS filed Critical Alcatel Lucent SAS
Publication of DE602006008961D1 publication Critical patent/DE602006008961D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L5/00—Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals
    • B61L5/12—Visible signals
    • B61L5/18—Light signals; Mechanisms associated therewith, e.g. blinders
    • B61L5/1809—Daylight signals
    • B61L5/1881—Wiring diagrams for power supply, control or testing
    • 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]
    • H05B45/50—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L2207/00—Features of light signals
    • B61L2207/02—Features of light signals using light-emitting diodes [LEDs]
    • 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

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Led Devices (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Semiconductor Lasers (AREA)
DE602006008961T 2006-10-23 2006-10-23 Sichere opto-elektronische Ausfallerkennung für Hochleistungsleuchtdioden Active DE602006008961D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06291643A EP1916879B1 (de) 2006-10-23 2006-10-23 Sichere opto-elektronische Ausfallerkennung für Hochleistungsleuchtdioden

Publications (1)

Publication Number Publication Date
DE602006008961D1 true DE602006008961D1 (de) 2009-10-15

Family

ID=37857154

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602006008961T Active DE602006008961D1 (de) 2006-10-23 2006-10-23 Sichere opto-elektronische Ausfallerkennung für Hochleistungsleuchtdioden

Country Status (3)

Country Link
EP (1) EP1916879B1 (de)
AT (1) ATE442027T1 (de)
DE (1) DE602006008961D1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008011155A2 (en) * 2006-07-21 2008-01-24 Mcdermott Vernon C Sr Lamp or led failure monitoring system
EP2237644B1 (de) 2009-04-01 2011-06-08 Thales Security Solutions & Services GmbH Überwachungseinheit für eine Hochleistungs-LED und Signalisierungsvorrichtung
EP2580942A1 (de) * 2010-06-08 2013-04-17 Koninklijke Philips Electronics N.V. Ausfallsicheres beleuchtungssystem
CN105554967A (zh) * 2016-02-26 2016-05-04 周芸 公园游园接近延时型半亮全亮led路灯
CN108601182B (zh) * 2018-06-14 2020-08-25 中车株洲电力机车有限公司 一种机车外部照明控制装置
EP3939855A1 (de) * 2020-07-13 2022-01-19 ALSTOM Transport Technologies System und verfahren zur hinweisen von fahrzeugen oder fussgängern auf die anwesenheit eines schienenfahrzeugs entlang einer strecke
CN113630936A (zh) * 2021-09-15 2021-11-09 北京德嘉共创科技有限公司 一种新型铁路信号led点灯电路及其工作方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3209938B2 (ja) * 1997-01-10 2001-09-17 富士通株式会社 発光素子の保護装置及び発光素子の保護方法
GB9708861D0 (en) * 1997-04-30 1997-06-25 Signal House Limited Traffic signals
ATA9882002A (de) * 2002-07-02 2005-07-15 Siemens Ag Oesterreich Schaltung zur überwachung der ströme in einer mehrzahl von stromzweigen eines netzwerkes
NL1023460C2 (nl) * 2003-05-19 2006-06-13 Etap Nv Verlichtingstoestel.
DE10358993B4 (de) * 2003-12-16 2008-09-25 Signalbau Huber Gmbh Lichtsignalgeber und Lichtsignalanlage mit einem Lichtsignalgeber
JP4771354B2 (ja) * 2004-09-17 2011-09-14 株式会社小糸製作所 車両用灯具の点灯制御回路

Also Published As

Publication number Publication date
EP1916879A1 (de) 2008-04-30
EP1916879B1 (de) 2009-09-02
ATE442027T1 (de) 2009-09-15

Similar Documents

Publication Publication Date Title
DE602006008961D1 (de) Sichere opto-elektronische Ausfallerkennung für Hochleistungsleuchtdioden
TW200630710A (en) A light emitting diode backlight package background of the invention
TW200801727A (en) Display device, light-emitting device and solid-state light-emitting element substrate
ATE519227T1 (de) Zusammengesetzte led-module
ATE515177T1 (de) Leuchtdiodenschaltung, anordnung und vorrichtung
TW200625681A (en) Light-emitting diode flash module with enhanced spectral emission
US20080150440A1 (en) LED light string with guaranteed conduction
WO2008005915A3 (en) System for improving illumination reliability in projection display systems
DE60230825D1 (de) Fehlertolerante Led Anzeige
FR2984251B1 (fr) Vitrage eclairant pour vehicule
TW200708843A (en) Bottom lighting module
ATE534868T1 (de) Beleuchtungssystem
NO20045457L (no) LED-fremhevede belysningsenheter
WO2008044170A3 (en) Thin illumination device, display device and luminary device
DE602004009408D1 (de) Steuerschnittstelle für ein elektronisches Gerät
RU2011117337A (ru) Компоновка схемы светоизлучающих диодов с улучшенной рабочей характеристикой мерцания
EP2184634A3 (de) Rückbeleuchtungsmodul und lichtemittierende Vorrichtung damit
TW200942923A (en) Backlight module, application and fabrication method thereof
DE502008001628D1 (de) Trägerelement mit Leuchtdiodeneinheiten
ATE538467T1 (de) Beleuchtungsvorrichtung
ATE513162T1 (de) Beleuchtungseinrichtung und diese verwendende anzeigevorrichtung
ATE525612T1 (de) Led flachleuchte
KR101246033B1 (ko) 피엔접합 반도체 발광소자 조명 장치 및 이를 조광하는 방법
ATE398262T1 (de) Beleuchtungsvorrichtung, insbesondere tunnelbeleuchtung
EP1811569A3 (de) Organische lichtemittierende Anzeige

Legal Events

Date Code Title Description
8364 No opposition during term of opposition