FR2586844B1 - Signaling device using light emitting diodes. - Google Patents

Signaling device using light emitting diodes.

Info

Publication number
FR2586844B1
FR2586844B1 FR8513029A FR8513029A FR2586844B1 FR 2586844 B1 FR2586844 B1 FR 2586844B1 FR 8513029 A FR8513029 A FR 8513029A FR 8513029 A FR8513029 A FR 8513029A FR 2586844 B1 FR2586844 B1 FR 2586844B1
Authority
FR
Grant status
Grant
Patent type
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
Application number
FR8513029A
Other languages
French (fr)
Other versions
FR2586844A1 (en )
Inventor
Michel Chervalier
Didier Gonvin
Bernard Moyson
A Romatet
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.)
SOFRELA SA
Original Assignee
SOFRELA SA
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
Grant date

Links

Classifications

    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR
    • H05B33/00Electroluminescent light sources
    • H05B33/02Details
    • H05B33/08Circuit arrangements not adapted to a particular application
    • H05B33/0803Circuit arrangements not adapted to a particular application for light emitting diodes [LEDs] comprising only inorganic semiconductor materials
    • H05B33/0806Structural details of the circuit
    • H05B33/0809Structural details of the circuit in the conversion stage
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21KNON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/20Light sources comprising attachment means
    • F21K9/23Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
    • F21K9/232Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings specially adapted for generating an essentially omnidirectional light distribution, e.g. with a glass bulb
    • GPHYSICS
    • G08SIGNALLING
    • G08GTRAFFIC CONTROL SYSTEMS
    • G08G1/00Traffic control systems for road vehicles
    • G08G1/09Arrangements for giving variable traffic instructions
    • G08G1/095Traffic lights
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR
    • H05B33/00Electroluminescent light sources
    • H05B33/02Details
    • H05B33/08Circuit arrangements not adapted to a particular application
    • H05B33/0803Circuit arrangements not adapted to a particular application for light emitting diodes [LEDs] comprising only inorganic semiconductor materials
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21WINDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2111/00Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21YINDEXING 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
    • F21Y2115/00Light-generating elements of semiconductor light sources
    • F21Y2115/10Light-emitting diodes [LED]
FR8513029A 1985-08-27 1985-08-27 Signaling device using light emitting diodes. Expired FR2586844B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8513029A FR2586844B1 (en) 1985-08-27 1985-08-27 Signaling device using light emitting diodes.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8513029A FR2586844B1 (en) 1985-08-27 1985-08-27 Signaling device using light emitting diodes.

Publications (2)

Publication Number Publication Date
FR2586844A1 true FR2586844A1 (en) 1987-03-06
FR2586844B1 true FR2586844B1 (en) 1988-04-29

Family

ID=9322555

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8513029A Expired FR2586844B1 (en) 1985-08-27 1985-08-27 Signaling device using light emitting diodes.

Country Status (1)

Country Link
FR (1) FR2586844B1 (en)

Cited By (7)

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US7824065B2 (en) 2004-03-18 2010-11-02 Lighting Science Group Corporation System and method for providing multi-functional lighting using high-efficiency lighting elements in an environment
US8415692B2 (en) 2009-07-06 2013-04-09 Cree, Inc. LED packages with scattering particle regions
US8536615B1 (en) 2009-12-16 2013-09-17 Cree, Inc. Semiconductor device structures with modulated and delta doping and related methods
US8604461B2 (en) 2009-12-16 2013-12-10 Cree, Inc. Semiconductor device structures with modulated doping and related methods
US8866169B2 (en) 2007-10-31 2014-10-21 Cree, Inc. LED package with increased feature sizes
US8901831B2 (en) 2012-05-07 2014-12-02 Lighting Science Group Corporation Constant current pulse-width modulation lighting system and associated methods
US9070850B2 (en) 2007-10-31 2015-06-30 Cree, Inc. Light emitting diode package and method for fabricating same

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FR2613858B1 (en) * 1987-04-09 1994-04-01 Garbarini Sa A Element fire road traffic signaling
US5388357A (en) * 1993-04-08 1995-02-14 Computer Power Inc. Kit using led units for retrofitting illuminated signs
CA2185597A1 (en) * 1994-03-16 1995-09-21 Lars Rosengren Lightning device
US5633629A (en) * 1995-02-08 1997-05-27 Hochstein; Peter A. Traffic information system using light emitting diodes
GB2334376B (en) * 1996-11-12 1999-10-27 L F D Limited Lamp
GB2335308B (en) * 1996-11-12 1999-10-27 L F D Limited Lamp
FR2759188B1 (en) * 1997-01-31 1999-04-30 Thery Hindrick Illuminated signaling device, in particular for road traffic regulation
WO1998037529A1 (en) * 1997-02-19 1998-08-27 Siemens Aktiengesellschaft Data transmission device for traffic-guidance and traffic-information systems
ES2213873T3 (en) * 1997-04-24 2004-09-01 INCERTI & SIMONINI DI INCERTI EDDA & C. S.N.C. Device low voltage lighting.
GB9708861D0 (en) * 1997-04-30 1997-06-25 Signal House Limited Traffic signals
US6806659B1 (en) * 1997-08-26 2004-10-19 Color Kinetics, Incorporated Multicolored LED lighting method and apparatus
DE69813255D1 (en) * 1997-09-04 2003-05-15 Howells Railway Products Ltd Traffic light signaling with a plurality of light-
GB9726254D0 (en) * 1997-12-11 1998-02-11 Moscickiego Led Lamp
US6036336A (en) * 1998-05-08 2000-03-14 Wu; Chen H. Light emitting diode retrofitting lamps for illuminated traffic signs
EP0974947B1 (en) * 1998-07-23 2004-12-15 Siemens Aktiengesellschaft Traffic light apparatus and method to monitor the traffic light apparatus
US6218785B1 (en) 1999-03-19 2001-04-17 Incerti & Simonini Di Incerti Edda & C. S.N.C. Low-tension lighting device
US6268801B1 (en) * 1999-06-03 2001-07-31 Leotek Electronics Corporation Method and apparatus for retro-fitting a traffic signal light with a light emitting diode lamp module
US6184628B1 (en) * 1999-11-30 2001-02-06 Douglas Ruthenberg Multicolor led lamp bulb for underwater pool lights
US6161910A (en) * 1999-12-14 2000-12-19 Aerospace Lighting Corporation LED reading light
FR2809477A1 (en) * 2000-05-24 2001-11-30 Mireille Georges Lighting unit using high intensity LEDs disposes them axially, facing plastic diffusers in design supplied by electrical mains, wind- or solar energy
EP1217291B1 (en) * 2000-12-21 2007-05-30 Gamesman Limited Lamps
US20030015708A1 (en) 2001-07-23 2003-01-23 Primit Parikh Gallium nitride based diodes with low forward voltage and low reverse current operation
GB0204212D0 (en) * 2002-02-22 2002-04-10 Oxley Dev Co Ltd Led drive circuit
ES2293027T3 (en) * 2002-06-27 2008-03-16 Jose Monzo light emitting device, especially light emitting device for traffic signs with built LEDs.
DE10235811B4 (en) * 2002-06-27 2004-05-19 Jose Monzo A light emitting device, in particular traffic signal light emitting device, which is constructed with light-emitting diodes
US7086756B2 (en) 2004-03-18 2006-08-08 Lighting Science Group Corporation Lighting element using electronically activated light emitting elements and method of making same
US7215086B2 (en) 2004-04-23 2007-05-08 Lighting Science Group Corporation Electronic light generating element light bulb
US7319293B2 (en) * 2004-04-30 2008-01-15 Lighting Science Group Corporation Light bulb having wide angle light dispersion using crystalline material
US7534633B2 (en) 2004-07-02 2009-05-19 Cree, Inc. LED with substrate modifications for enhanced light extraction and method of making same
US7804147B2 (en) 2006-07-31 2010-09-28 Cree, Inc. Light emitting diode package element with internal meniscus for bubble free lens placement
US7813400B2 (en) 2006-11-15 2010-10-12 Cree, Inc. Group-III nitride based laser diode and method for fabricating same
US7769066B2 (en) 2006-11-15 2010-08-03 Cree, Inc. Laser diode and method for fabricating same
EP2095018A1 (en) 2006-12-04 2009-09-02 Cree Led Lighting Solutions, Inc. Lighting device and lighting method
US7834367B2 (en) 2007-01-19 2010-11-16 Cree, Inc. Low voltage diode with reduced parasitic resistance and method for fabricating
US7999283B2 (en) 2007-06-14 2011-08-16 Cree, Inc. Encapsulant with scatterer to tailor spatial emission pattern and color uniformity in light emitting diodes
US8519437B2 (en) 2007-09-14 2013-08-27 Cree, Inc. Polarization doping in nitride based diodes
US9012937B2 (en) 2007-10-10 2015-04-21 Cree, Inc. Multiple conversion material light emitting diode package and method of fabricating same
US8177382B2 (en) 2008-03-11 2012-05-15 Cree, Inc. Apparatus and methods for multiplanar optical diffusers and display panels for using the same
US9287469B2 (en) 2008-05-02 2016-03-15 Cree, Inc. Encapsulation for phosphor-converted white light emitting diode
EP2119614B1 (en) * 2008-05-15 2011-08-24 Siemens Schweiz AG Signalling unit with LED redundancy
US9464788B2 (en) 2013-08-16 2016-10-11 Lighting Science Group Corporation Method of assembling a lighting device with flexible circuits having light-emitting diodes positioned thereon
US9557015B2 (en) 2013-08-16 2017-01-31 Lighting Science Group Corporation Lighting device with flexible circuits having light-emitting diodes positioned thereupon and associated methods

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2339922B1 (en) * 1976-01-28 1981-10-09 Bourboulon Henri
JPS556687A (en) * 1978-06-29 1980-01-18 Handotai Kenkyu Shinkokai Traffic use display
US4271408A (en) * 1978-10-17 1981-06-02 Stanley Electric Co., Ltd. Colored-light emitting display

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7824065B2 (en) 2004-03-18 2010-11-02 Lighting Science Group Corporation System and method for providing multi-functional lighting using high-efficiency lighting elements in an environment
US8866169B2 (en) 2007-10-31 2014-10-21 Cree, Inc. LED package with increased feature sizes
US9070850B2 (en) 2007-10-31 2015-06-30 Cree, Inc. Light emitting diode package and method for fabricating same
US8415692B2 (en) 2009-07-06 2013-04-09 Cree, Inc. LED packages with scattering particle regions
US8536615B1 (en) 2009-12-16 2013-09-17 Cree, Inc. Semiconductor device structures with modulated and delta doping and related methods
US8604461B2 (en) 2009-12-16 2013-12-10 Cree, Inc. Semiconductor device structures with modulated doping and related methods
US8901831B2 (en) 2012-05-07 2014-12-02 Lighting Science Group Corporation Constant current pulse-width modulation lighting system and associated methods

Also Published As

Publication number Publication date Type
FR2586844A1 (en) 1987-03-06 application

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Legal Events

Date Code Title Description
ST Notification of lapse