EP1452795A3 - Vehicle headlamp with light emitting diodes - Google Patents

Vehicle headlamp with light emitting diodes Download PDF

Info

Publication number
EP1452795A3
EP1452795A3 EP04290247A EP04290247A EP1452795A3 EP 1452795 A3 EP1452795 A3 EP 1452795A3 EP 04290247 A EP04290247 A EP 04290247A EP 04290247 A EP04290247 A EP 04290247A EP 1452795 A3 EP1452795 A3 EP 1452795A3
Authority
EP
European Patent Office
Prior art keywords
light emitting
emitting diodes
vehicle headlamp
reflector
luminous
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.)
Granted
Application number
EP04290247A
Other languages
German (de)
French (fr)
Other versions
EP1452795B1 (en
EP1452795A2 (en
Inventor
Eric Blusseau
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.)
Valeo Vision SAS
Original Assignee
Valeo Vision 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=32731890&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1452795(A3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Valeo Vision SAS filed Critical Valeo Vision SAS
Publication of EP1452795A2 publication Critical patent/EP1452795A2/en
Publication of EP1452795A3 publication Critical patent/EP1452795A3/en
Application granted granted Critical
Publication of EP1452795B1 publication Critical patent/EP1452795B1/en
Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
    • F21S41/65—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on light sources
    • F21S41/663—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on light sources by switching light sources
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
    • F21S41/141—Light emitting diodes [LED]
    • F21S41/147—Light emitting diodes [LED] the main emission direction of the LED being angled to the optical axis of the illuminating device
    • F21S41/148—Light emitting diodes [LED] the main emission direction of the LED being angled to the optical axis of the illuminating device the main emission direction of the LED being perpendicular to the optical axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
    • F21S41/141—Light emitting diodes [LED]
    • F21S41/151—Light emitting diodes [LED] arranged in one or more lines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
    • F21S41/32—Optical layout thereof
    • F21S41/33—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature
    • F21S41/334—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector consisting of patch like sectors
    • F21S41/335—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector consisting of patch like sectors with continuity at the junction between adjacent areas
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2102/00—Exterior vehicle lighting devices for illuminating purposes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2102/00—Exterior vehicle lighting devices for illuminating purposes
    • F21W2102/30—Fog lights
    • 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
    • F21Y2113/00—Combination of light sources
    • F21Y2113/20—Combination of light sources of different form
    • 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]

Abstract

The device has a reflector (400) for reflecting luminous rays produced by a luminous source that consists of series of electroluminescent diodes (401). Each electroluminescent diode is oriented in such a manner so that a part of its radiation attains a specific zone (403-p1 to 403-p3) of reflection on the reflector. Each specific zone provides a specific light distribution in the production of the luminous rays.
EP04290247A 2003-02-07 2004-01-30 Vehicle headlamp with light emitting diodes Revoked EP1452795B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0301511A FR2851029B1 (en) 2003-02-07 2003-02-07 MOTOR VEHICLE PROJECTOR DEVICE EQUIPPED WITH ELECTROLUMINESCENT DIODES
FR0301511 2003-02-07

Publications (3)

Publication Number Publication Date
EP1452795A2 EP1452795A2 (en) 2004-09-01
EP1452795A3 true EP1452795A3 (en) 2007-05-09
EP1452795B1 EP1452795B1 (en) 2009-11-18

Family

ID=32731890

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04290247A Revoked EP1452795B1 (en) 2003-02-07 2004-01-30 Vehicle headlamp with light emitting diodes

Country Status (7)

Country Link
US (1) US20040156211A1 (en)
EP (1) EP1452795B1 (en)
JP (1) JP4651951B2 (en)
AT (1) ATE449285T1 (en)
DE (1) DE602004024149D1 (en)
ES (1) ES2334132T3 (en)
FR (1) FR2851029B1 (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4018016B2 (en) * 2003-03-31 2007-12-05 株式会社小糸製作所 Vehicle headlamp
FR2857921B1 (en) * 2003-07-24 2006-11-24 Valeo Vision FIXED LIGHT PROJECTOR OF TURN FOR MOTOR VEHICLE
FR2872257B1 (en) * 2004-06-24 2006-08-18 Valeo Vision Sa LIGHTING MODULE FOR A MOTOR VEHICLE AND PROJECTOR COMPRISING SUCH A MODULE
US7261451B2 (en) * 2005-02-23 2007-08-28 Osram Sylvania Inc. Colored headlamp
US7416324B1 (en) 2005-06-22 2008-08-26 Osram Sylvania Inc. Multi-color or multi-function LED vehicle light assembly
JP4745272B2 (en) 2007-03-14 2011-08-10 株式会社小糸製作所 Vehicle lighting
JP2008226707A (en) 2007-03-14 2008-09-25 Koito Mfg Co Ltd Vehicle lamp
JP5607634B2 (en) 2008-09-18 2014-10-15 コーニンクレッカ フィリップス エヌ ヴェ Lighting unit and vehicle headlamp
EP2275734B1 (en) 2009-07-15 2013-08-21 Hella KGaA Hueck & Co. Lighting unit for vehicles
FR2948439B1 (en) * 2009-07-21 2011-08-05 Valeo Vision LIGHTING MODULE FOR A MOTOR VEHICLE PROJECTOR, AND PROJECTOR EQUIPPED WITH AT LEAST ONE SUCH MODULE.
DE102012221385A1 (en) * 2012-11-22 2014-05-22 Automotive Lighting Reutlingen Gmbh Lighting device for a motor vehicle
JP2014183008A (en) * 2013-03-21 2014-09-29 Koito Mfg Co Ltd Lighting fixture for vehicle
DE102021117908A1 (en) * 2021-07-12 2023-01-12 HELLA GmbH & Co. KGaA headlights for vehicles
FR3139881A1 (en) * 2022-09-20 2024-03-22 Valeo Vision Light module

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5704709A (en) * 1995-08-25 1998-01-06 Reitter & Schefenacker Gmbh & Co. Kg Optical receiving body for at least one LED
US20010019486A1 (en) * 2000-03-01 2001-09-06 Vincent Thominet Illumination device for vehicle
US6493096B1 (en) * 1999-10-01 2002-12-10 Koito Manufacturing Co., Ltd. Method of determining reflective surface of reflector in vehicle lamp
US6504477B1 (en) * 2001-09-26 2003-01-07 Yu-Chu Lin Secondary alert light for motor vehicles
EP1371901A2 (en) * 2002-06-10 2003-12-17 Lumileds Lighting US, LLC Lamp with axially mounted led lightsource

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5984494A (en) * 1995-09-08 1999-11-16 Jimmy G. Cook Light shield for an illumination system
US6053623A (en) * 1998-03-03 2000-04-25 New Option Lighting, Llc Waterproof light with multi-faceted reflector in a flexible enclosure
JP4168357B2 (en) * 1999-03-24 2008-10-22 スタンレー電気株式会社 Lamp
JP2002083507A (en) * 2000-09-06 2002-03-22 Stanley Electric Co Ltd Lighting fixture with auxiliary light source
US6404132B1 (en) * 2001-03-27 2002-06-11 Liteglow Industries, Inc. Neon cruising lights for use with motor vehicle headlights
US6682211B2 (en) * 2001-09-28 2004-01-27 Osram Sylvania Inc. Replaceable LED lamp capsule
US6890086B2 (en) * 2001-12-20 2005-05-10 Gold Coral International Limited Electronically controlled multi-light flashlight
US6756893B1 (en) * 2002-01-14 2004-06-29 Robert Fernandez Light emitting diodes surrounding a vehicle lamp

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5704709A (en) * 1995-08-25 1998-01-06 Reitter & Schefenacker Gmbh & Co. Kg Optical receiving body for at least one LED
US6493096B1 (en) * 1999-10-01 2002-12-10 Koito Manufacturing Co., Ltd. Method of determining reflective surface of reflector in vehicle lamp
US20010019486A1 (en) * 2000-03-01 2001-09-06 Vincent Thominet Illumination device for vehicle
US6504477B1 (en) * 2001-09-26 2003-01-07 Yu-Chu Lin Secondary alert light for motor vehicles
EP1371901A2 (en) * 2002-06-10 2003-12-17 Lumileds Lighting US, LLC Lamp with axially mounted led lightsource

Also Published As

Publication number Publication date
FR2851029B1 (en) 2006-01-13
EP1452795B1 (en) 2009-11-18
FR2851029A1 (en) 2004-08-13
JP4651951B2 (en) 2011-03-16
US20040156211A1 (en) 2004-08-12
EP1452795A2 (en) 2004-09-01
ATE449285T1 (en) 2009-12-15
JP2004241388A (en) 2004-08-26
DE602004024149D1 (en) 2009-12-31
ES2334132T3 (en) 2010-03-05

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