DE69512720D1 - LED device - Google Patents

LED device

Info

Publication number
DE69512720D1
DE69512720D1 DE69512720T DE69512720T DE69512720D1 DE 69512720 D1 DE69512720 D1 DE 69512720D1 DE 69512720 T DE69512720 T DE 69512720T DE 69512720 T DE69512720 T DE 69512720T DE 69512720 D1 DE69512720 D1 DE 69512720D1
Authority
DE
Germany
Prior art keywords
led device
led
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 - Fee Related
Application number
DE69512720T
Other languages
German (de)
Other versions
DE69512720T2 (en
Inventor
Bernard Bardy
Vincent Thouzeau
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.)
Hutchinson SA
Original Assignee
Vibrachoc 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 Vibrachoc SAS filed Critical Vibrachoc SAS
Publication of DE69512720D1 publication Critical patent/DE69512720D1/en
Application granted granted Critical
Publication of DE69512720T2 publication Critical patent/DE69512720T2/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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]
    • H05B45/40—Details of LED load circuits
    • H05B45/44—Details of LED load circuits with an active control inside an LED matrix
    • 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]
    • H05B45/10—Controlling the intensity of the light
DE69512720T 1994-07-29 1995-07-25 LED device Expired - Fee Related DE69512720T2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9409429A FR2723286B1 (en) 1994-07-29 1994-07-29 LIGHT EMITTING DIODE MOUNTING CIRCUIT

Publications (2)

Publication Number Publication Date
DE69512720D1 true DE69512720D1 (en) 1999-11-18
DE69512720T2 DE69512720T2 (en) 2000-06-08

Family

ID=9465892

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69512720T Expired - Fee Related DE69512720T2 (en) 1994-07-29 1995-07-25 LED device

Country Status (3)

Country Link
EP (1) EP0695112B1 (en)
DE (1) DE69512720T2 (en)
FR (1) FR2723286B1 (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2745458B1 (en) * 1996-02-28 1998-04-10 Valeo Electronique IMPROVEMENT ON ILLUMINATION CIRCUITS WITH LIGHT EMITTING DIODES, PARTICULARLY FOR MOTOR VEHICLES, SIGNALING LIGHT AND CONTROL PANEL INCORPORATING THE SAME
US6885035B2 (en) * 1999-12-22 2005-04-26 Lumileds Lighting U.S., Llc Multi-chip semiconductor LED assembly
DE10032840A1 (en) * 2000-07-06 2002-01-17 Sick Ag Optoelectronic sensor
US6653798B2 (en) 2000-09-29 2003-11-25 Aerospace Optics, Inc. Voltage dimmable LED display producing multiple colors
US6650064B2 (en) 2000-09-29 2003-11-18 Aerospace Optics, Inc. Fault tolerant led display design
US6489728B2 (en) * 2000-09-29 2002-12-03 Aerospace Optics, Inc. Power efficient LED driver quiescent current limiting circuit configuration
FR2814906B1 (en) * 2000-09-29 2003-06-27 Thomson Csf LIGHTING MEANS CONTROL DEVICE
US6323598B1 (en) 2000-09-29 2001-11-27 Aerospace Optics, Inc. Enhanced trim resolution voltage-controlled dimming led driver
FR2821520B1 (en) * 2001-02-23 2003-08-29 Thomson Csf LIGHT-EMITTING DIODE LIGHTING CONTROL DEVICE
WO2007129131A1 (en) * 2006-05-10 2007-11-15 Nokia Corporation Apparatus having supply voltage adaptive light emitting component circuitry country and method of controlling
DE102006029957A1 (en) * 2006-06-29 2008-01-03 Osram Opto Semiconductors Gmbh lighting device
US7906915B2 (en) 2008-04-19 2011-03-15 Aerospace Optics, Inc. Enhanced trim resolution voltage-controlled dimming LED driving circuit
JP5519667B2 (en) 2008-07-30 2014-06-11 コーニンクレッカ フィリップス エヌ ヴェ Device with light emitting diode circuit
RU2511714C2 (en) * 2008-10-02 2014-04-10 Конинклейке Филипс Электроникс Н.В. Layout of light-emitting diode circuit with improved twinkling performance
BR112013009250A2 (en) 2010-10-19 2020-10-06 Koninklijke Philips Electronics N.V led circuit layout, led light source for operation in a led circuit layout and method for operating a led light source connected by a ration element with a dc operating voltage
WO2020035436A1 (en) * 2018-08-17 2020-02-20 Signify Holding B.V. Led driving circuit

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3622025C1 (en) * 1986-07-01 1987-10-15 Tele Security Foto Ueberwachun Infrared luminaire

Also Published As

Publication number Publication date
DE69512720T2 (en) 2000-06-08
FR2723286B1 (en) 1996-09-13
FR2723286A1 (en) 1996-02-02
EP0695112B1 (en) 1999-10-13
EP0695112A1 (en) 1996-01-31

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: HUTCHINSON S.A., PARIS, FR

8339 Ceased/non-payment of the annual fee