ES2109573T3 - Dispositivo de alumbrado, en particular para vehiculos a motor. - Google Patents

Dispositivo de alumbrado, en particular para vehiculos a motor.

Info

Publication number
ES2109573T3
ES2109573T3 ES94113629T ES94113629T ES2109573T3 ES 2109573 T3 ES2109573 T3 ES 2109573T3 ES 94113629 T ES94113629 T ES 94113629T ES 94113629 T ES94113629 T ES 94113629T ES 2109573 T3 ES2109573 T3 ES 2109573T3
Authority
ES
Spain
Prior art keywords
lighting device
motor vehicles
light radiation
radiation
wave length
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 - Lifetime
Application number
ES94113629T
Other languages
English (en)
Inventor
Stefania Masuelli
Piero Perlo
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.)
Marelli Europe SpA
Original Assignee
Magneti Marelli SpA
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 Magneti Marelli SpA filed Critical Magneti Marelli SpA
Application granted granted Critical
Publication of ES2109573T3 publication Critical patent/ES2109573T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V5/00—Refractors for light sources
    • F21V5/002—Refractors for light sources using microoptical elements for redirecting or diffusing light
    • 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
    • F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • F21S41/25—Projection lenses
    • F21S41/275—Lens surfaces, e.g. coatings or surface structures
    • 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
    • F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • F21S41/28—Cover glass
    • 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
    • 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
    • F21S41/321—Optical layout thereof the reflector being a surface of revolution or a planar surface, e.g. truncated
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/22—Processes or apparatus for obtaining an optical image from holograms
    • G03H1/2202—Reconstruction geometries or arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)

Abstract

EL DISPOSITIVO DE ILUMINACION DE ACUERDO A ESTA INVENCION COMPRENDE AL MENOS UNA FUENTE DE RADIACION DE LUZ (1) Y ES CAPAZ DE GENERAR UN FLUJO LUMINOSO DENTRO DE UN ANGULO SOLIDO PREDETERMINADO QUE TIENE UNA DESEADA DISTRIBUCION DE INTENSIDAD; EL DISPOSITIVO SE CARACTERIZA POR COMPRENDER AL MENOS UNA SUPERFICIE DIFRACTIVA (10) INTERPUESTA SOBRE EL CAMINO DE LA MENCIONADA RADIACION DE LUZ DENTRO DEL DISPOSITIVO, SIENDO LA SUPERFICIE DIFRACTIVA (10) DEL TIPO DE MODULACION DE FASE, PROVISTO ESTE CON UN NUMERO DE PROYECCIONES DIFRACTIVAS (12) QUE TIENE UNA ALTURA QUE SUSTANCIALMENTE QUEDA ENTRE LA LONGITUD DE ONDA DE LA RADIACION DE LUZ Y DIFERENTES DECIMAS DE LA LONGITUD DE ONDA DE LA MENCIONADA RADIACION.
ES94113629T 1993-09-03 1994-08-31 Dispositivo de alumbrado, en particular para vehiculos a motor. Expired - Lifetime ES2109573T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITTO930644A IT1261250B (it) 1993-09-03 1993-09-03 Dispositivo di illuminazione in particolare per autoveicoli

Publications (1)

Publication Number Publication Date
ES2109573T3 true ES2109573T3 (es) 1998-01-16

Family

ID=11411708

Family Applications (1)

Application Number Title Priority Date Filing Date
ES94113629T Expired - Lifetime ES2109573T3 (es) 1993-09-03 1994-08-31 Dispositivo de alumbrado, en particular para vehiculos a motor.

Country Status (4)

Country Link
EP (1) EP0641967B1 (es)
DE (1) DE69406619T2 (es)
ES (1) ES2109573T3 (es)
IT (1) IT1261250B (es)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU8276898A (en) * 1997-06-30 1999-01-19 Donnelly Corporation Automotive lamp lens and lamp system utilizing diffractive optics and method formaking the same
DE19745844C2 (de) * 1997-10-16 1999-12-16 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Elektrische Leuchte mit einem Reflektor und einem Refraktorelement
US6352359B1 (en) * 1998-08-25 2002-03-05 Physical Optics Corporation Vehicle light assembly including a diffuser surface structure
GB9919689D0 (en) * 1999-08-19 1999-10-20 Microsharp Corp Limited Back-lighting arrangement and the like
FR2849157B1 (fr) * 2002-12-20 2015-07-10 Valeo Vision Dispositif d'eclairage et/ou de signalisation du type projecteur ou feu pour vehicule automobile
DE102004012654A1 (de) * 2004-03-16 2005-10-06 Schefenacker Vision Systems Germany Gmbh & Co. Kg Leuchte mit einer die Abstrahlung beeinflussenden optischen Struktur
DE102004018424B4 (de) * 2004-04-08 2016-12-08 Docter Optics Se Verfahren zur Herstellung einer Linse
FR2919913B1 (fr) 2007-08-10 2013-08-16 Valeo Vision Module optique pour dispositif d'eclairage et/ou de signalisation de vehicule
DE102011006073A1 (de) * 2011-03-24 2012-09-27 Automotive Lighting Reutlingen Gmbh Kraftfahrzeugbeleuchtungseinrichtung und Kraftfahrzeugscheinwerfer mit einer solchen Beleuchtungseinrichtung
DE102012006505A1 (de) * 2012-03-29 2013-10-02 GM Global Technology Operations LLC (n.d. Ges. d. Staates Delaware) Streulichtscheibe für einen Scheinwerfer
DE102018123789A1 (de) * 2018-09-26 2020-03-26 Carl Zeiss Jena Gmbh Leuchteinrichtung für ein Fahrzeug

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT211821Z2 (it) * 1987-09-04 1989-05-25 Alfa Lancia Ind Fanale composito per una autovettura.
JPH04173440A (ja) * 1990-11-07 1992-06-22 Nissan Motor Co Ltd 車両用前照灯
DE4215584C2 (de) * 1992-05-12 2002-06-20 Bosch Gmbh Robert Beleuchtungseinrichtung mit einem Reflektor und mit optisch wirksamen Elementen
IT1256892B (it) * 1992-07-24 1995-12-27 Carello Spa Dispositivo di illuminazione in particolare per autoveicoli

Also Published As

Publication number Publication date
EP0641967B1 (en) 1997-11-05
EP0641967A1 (en) 1995-03-08
DE69406619T2 (de) 1998-03-12
DE69406619D1 (de) 1997-12-11
IT1261250B (it) 1996-05-09
ITTO930644A0 (it) 1993-09-03
ITTO930644A1 (it) 1995-03-03

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