EP2719940A3 - Lichtmodul - Google Patents

Lichtmodul Download PDF

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Publication number
EP2719940A3
EP2719940A3 EP13184394.8A EP13184394A EP2719940A3 EP 2719940 A3 EP2719940 A3 EP 2719940A3 EP 13184394 A EP13184394 A EP 13184394A EP 2719940 A3 EP2719940 A3 EP 2719940A3
Authority
EP
European Patent Office
Prior art keywords
light
sagittal plane
guide section
primary
light guide
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
EP13184394.8A
Other languages
English (en)
French (fr)
Other versions
EP2719940B1 (de
EP2719940A2 (de
Inventor
Matthias Brendle
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 Automotive Lighting Reutlingen Germany GmbH
Original Assignee
Automotive Lighting Reutlingen GmbH
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 Automotive Lighting Reutlingen GmbH filed Critical Automotive Lighting Reutlingen GmbH
Publication of EP2719940A2 publication Critical patent/EP2719940A2/de
Publication of EP2719940A3 publication Critical patent/EP2719940A3/de
Application granted granted Critical
Publication of EP2719940B1 publication Critical patent/EP2719940B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F21S41/10—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
    • 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
    • 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
    • F21S41/24—Light guides
    • 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
    • F21S41/26—Elongated lenses
    • 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
    • F21S41/27—Thick lenses
    • 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
    • F21S41/30—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
    • 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
    • F21S41/322—Optical layout thereof the reflector using total internal reflection
    • 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
    • F21S41/323—Optical layout thereof the reflector having two perpendicular cross sections having regular geometrical curves of a distinct nature
    • 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
    • F21S41/36—Combinations of two or more separate reflectors
    • F21S41/365—Combinations of two or more separate reflectors successively reflecting the 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
    • F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
    • 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
    • F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
    • F21S45/40—Cooling of lighting devices
    • F21S45/47—Passive cooling, e.g. using fins, thermal conductive elements or openings

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Optical Couplings Of Light Guides (AREA)

Abstract

Die Erfindung betrifft ein Lichtmodul, umfassend eine Mehrzahl von Halbleiterlichtquellen (12) zum Ausstrahlen von Licht, ein Primäroptikelement (16) zur Konzentration des von den Halbleiterlichtquellen ausgestrahlten Lichts innerhalb von Schnitten senkrecht zu einer Sagittalebene (22) des Lichtmoduls, wobei das Primäroptikelement (16) eine Mehrzahl sich flächig senkrecht zur Sagittalebene (22) erstreckender, scheibenartiger Lichtleitabschnitte (14) aufweist, wobei jeder Lichtleitabschnitt eine Lichteinkoppelfläche (38) und eine Lichtauskoppelfläche (40) aufweist und zur Lichtleitung unter interner Totalreflexion von der Lichteinkoppelfläche zur Lichtauskoppelfläche ausgebildet ist, wobei je ein Lichtleitabschnitt (14) einer Halbleiterlichtquelle derart zugeordnet ist, dass Licht der Halbleiterlichtquelle durch die jeweilige Lichteinkoppelfläche in den Lichtleitabschnitt eingekoppelt werden kann, wobei jeder Lichtleitabschnitt eine konvex gekrümmte Hauptreflexionsfläche (42) derart aufweist, dass eine jeweils dem Lichtleitabschnitt zugeordnete Primärbrennlinie (44) definiert ist, wobei sich die Primärbrennlinie (44) in oder parallel zur Sagittalebene (22) erstreckt. Dabei ist dem Primäroptikelement (16) in Strahlengang nachgeordnetes Sekundäroptikelement (18,19) vorgesehen, welches derart ausgebildet ist, dass das durch die Lichtauskoppelflächen (40) der Mehrzahl von Lichtleitabschnitten tretende Licht innerhalb von Schnitten parallel zu der Sagittalebene (22) konzentriert werden kann.
EP13184394.8A 2012-10-12 2013-09-13 Lichtmodul Active EP2719940B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102012218684.0A DE102012218684B9 (de) 2012-10-12 2012-10-12 Lichtmodul

Publications (3)

Publication Number Publication Date
EP2719940A2 EP2719940A2 (de) 2014-04-16
EP2719940A3 true EP2719940A3 (de) 2016-04-20
EP2719940B1 EP2719940B1 (de) 2017-06-14

Family

ID=49212606

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13184394.8A Active EP2719940B1 (de) 2012-10-12 2013-09-13 Lichtmodul

Country Status (4)

Country Link
US (1) US9599301B2 (de)
EP (1) EP2719940B1 (de)
CN (1) CN103727474B (de)
DE (1) DE102012218684B9 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013214697B4 (de) * 2013-07-26 2022-07-14 tooz technologies GmbH Anzeigevorrichtung mit einem optischen Element, das eine Fresnel-Struktur umfasst,sowie Verfahren zur Herstellung eines solchen optischen Elementes
FR3032514B1 (fr) * 2015-02-05 2018-08-10 Valeo Vision Module lumineux d’un vehicule compatible au trafic gauche et au trafic droit
FR3036162B1 (fr) * 2015-05-13 2017-06-16 Valeo Vision Module d'eclairage bifonction code - route pour vehicule automobile
FR3039629B1 (fr) 2015-07-28 2020-08-14 Valeo Vision Dispositif d'eclairage pour projecteur de vehicule automobile
FR3039883B1 (fr) 2015-08-06 2020-10-02 Valeo Vision Module lumineux en materiau transparent avec deux faces de reflexion
FR3042845B1 (fr) * 2015-10-23 2019-11-29 Valeo Vision Dispositif lumineux a guides optiques
FR3042846B1 (fr) * 2015-10-23 2017-12-01 Valeo Vision Dispositif lumineux a guides optiques
US10495277B2 (en) * 2016-01-13 2019-12-03 Mitsubishi Electric Corporation Headlight module with two light guides receiving light from two light sources
DE102016109132A1 (de) * 2016-05-18 2017-11-23 Hella Kgaa Hueck & Co. Scheinwerfer, insbesondere Scheinwerfer eines Kraftfahrzeugs
EP3527876A1 (de) * 2018-02-19 2019-08-21 ZKW Group GmbH Kraftfahrzeugscheinwerfer mit lichtleitelementen angeordnet in matrixform
DE102018206709A1 (de) * 2018-05-02 2019-11-07 Osram Gmbh Beleuchtungssystem und scheinwerfer
DE102018127689A1 (de) * 2018-11-06 2020-05-07 HELLA GmbH & Co. KGaA Abbildungseinheit sowie Scheinwerfer
DE102019106934A1 (de) * 2019-03-19 2020-09-24 Automotive Lighting Reutlingen Gmbh Lichtmodul für eine Beleuchtungseinrichtung eines Kraftfahrzeugs
DE102020107075A1 (de) * 2020-03-15 2021-09-16 Docter Optics Se Scheinwerferlinse für einen Fahrzeugscheinwerfer

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005019093A1 (de) * 2005-03-29 2006-10-05 Fer Fahrzeugelektrik Gmbh Fahrzeugleuchte mit einem mehrgliedrig gebildeten Lichtleiter
EP1903274A1 (de) * 2006-09-19 2008-03-26 Schefenacker Vision Systems Germany GmbH Leuchteinheit zur Fern- und Abblendlichterzeugung
US20090073710A1 (en) * 2004-11-18 2009-03-19 Koninklijke Philips Electronics, N.V. Illumination system and vehicular headlamp
US20090091944A1 (en) * 2007-10-04 2009-04-09 Valeo Vision Lighting or signalling device for a motor vehicle
DE602005006360T2 (de) * 2004-10-21 2009-06-18 Osram Sylvania Inc., Danvers Leuchtdiodenmodul für Kraftfahrzeugscheinwerfer
DE202011103703U1 (de) * 2011-04-27 2011-12-05 Automotive Lighting Reutlingen Gmbh Lichtmodul eines Kraftfahrzeugs zur Erzeugung einer Sportverteilung einer Fernlicht-Lichtverteilung und Kraftfahrzeugscheinwerfer mit einem solchen Modul

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US6824284B2 (en) * 2002-06-25 2004-11-30 Visteon Global Technologies, Inc. Edge-lit optical element having a manifold and lamp assembly utilizing such element
DE102004032797B4 (de) * 2004-07-07 2012-12-27 Automotive Lighting Reutlingen Gmbh Frontscheinwerfer eines Kraftfahrzeugs mit adaptiver Lichtverteilung
DE102005017528A1 (de) * 2004-08-27 2006-03-09 Osram Opto Semiconductors Gmbh Leuchtmittel mit vorgegebener Abstrahlcharakteristik und Primäroptikelement für ein Leuchtmittel
KR100619070B1 (ko) * 2005-03-08 2006-08-31 삼성전자주식회사 조명유닛 및 이를 채용한 화상투사장치
DE102005054955A1 (de) * 2005-08-31 2007-04-26 Osram Opto Semiconductors Gmbh Lichtemittierendes Modul, insbesondere zur Verwendung in einem optischen Projektionsgerät und optisches Projektionsgerät
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Publication number Priority date Publication date Assignee Title
DE602005006360T2 (de) * 2004-10-21 2009-06-18 Osram Sylvania Inc., Danvers Leuchtdiodenmodul für Kraftfahrzeugscheinwerfer
US20090073710A1 (en) * 2004-11-18 2009-03-19 Koninklijke Philips Electronics, N.V. Illumination system and vehicular headlamp
DE102005019093A1 (de) * 2005-03-29 2006-10-05 Fer Fahrzeugelektrik Gmbh Fahrzeugleuchte mit einem mehrgliedrig gebildeten Lichtleiter
EP1903274A1 (de) * 2006-09-19 2008-03-26 Schefenacker Vision Systems Germany GmbH Leuchteinheit zur Fern- und Abblendlichterzeugung
US20090091944A1 (en) * 2007-10-04 2009-04-09 Valeo Vision Lighting or signalling device for a motor vehicle
DE202011103703U1 (de) * 2011-04-27 2011-12-05 Automotive Lighting Reutlingen Gmbh Lichtmodul eines Kraftfahrzeugs zur Erzeugung einer Sportverteilung einer Fernlicht-Lichtverteilung und Kraftfahrzeugscheinwerfer mit einem solchen Modul

Also Published As

Publication number Publication date
US9599301B2 (en) 2017-03-21
DE102012218684B4 (de) 2016-03-31
DE102012218684B9 (de) 2016-05-25
EP2719940B1 (de) 2017-06-14
DE102012218684A1 (de) 2014-04-17
CN103727474A (zh) 2014-04-16
CN103727474B (zh) 2017-09-12
US20140104864A1 (en) 2014-04-17
EP2719940A2 (de) 2014-04-16

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