EP2719940A3 - Light module - Google Patents
Light module Download PDFInfo
- 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
Links
- 239000004065 semiconductor Substances 0.000 abstract 4
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
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. The invention relates to a light module comprising a plurality of semiconductor light sources (12) for emitting light, a primary optic element (16) for concentrating the light emitted by the semiconductor light sources within sections perpendicular to a sagittal plane (22) of the light module, the primary optic element (16 ), a plurality of planar perpendicular to the sagittal plane (22) extending, disc-like Lichtleitabschnitte (14), each Lichtleitabschnitt a Lichteinkoppelfläche (38) and a Lichtauskoppelfläche (40) and is formed for light conduction under total internal reflection of the Lichteinkoppelfläche to Lichtauskoppelfläche, wherein each light guide section (14) is associated with a semiconductor light source such that light from the semiconductor light source can be coupled into the light guide section through the respective light coupling surface, each light guide section having a convexly curved main reflection surface (42) such that a respectively associated with the Lichtleitabschnitt primary focal line (44) is defined, wherein the Primärbrennlinie (44) extends in or parallel to the sagittal plane (22). In this case, the secondary optics element (18, 19) arranged in the beam path is provided to the primary optics element (16) in such a way that the light passing through the light outcoupling surfaces (40) of the plurality of light guide sections can be concentrated within sections parallel to the sagittal plane (22) ,
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102012218684.0A DE102012218684B9 (en) | 2012-10-12 | 2012-10-12 | light module |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2719940A2 EP2719940A2 (en) | 2014-04-16 |
EP2719940A3 true EP2719940A3 (en) | 2016-04-20 |
EP2719940B1 EP2719940B1 (en) | 2017-06-14 |
Family
ID=49212606
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP13184394.8A Active EP2719940B1 (en) | 2012-10-12 | 2013-09-13 | Light module |
Country Status (4)
Country | Link |
---|---|
US (1) | US9599301B2 (en) |
EP (1) | EP2719940B1 (en) |
CN (1) | CN103727474B (en) |
DE (1) | DE102012218684B9 (en) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102013214697B4 (en) * | 2013-07-26 | 2022-07-14 | tooz technologies GmbH | Display device with an optical element comprising a Fresnel structure and method for manufacturing such an optical element |
FR3032514B1 (en) * | 2015-02-05 | 2018-08-10 | Valeo Vision | LUMINOUS MODULE OF A VEHICLE COMPATIBLE TO LEFT TRAFFIC AND RIGHT TRAFFIC |
FR3036162B1 (en) * | 2015-05-13 | 2017-06-16 | Valeo Vision | LIGHTING MODULE BIFUNCTION CODE - ROAD FOR MOTOR VEHICLE |
FR3039629B1 (en) * | 2015-07-28 | 2020-08-14 | Valeo Vision | LIGHTING DEVICE FOR AUTOMOTIVE VEHICLE PROJECTOR |
FR3039883B1 (en) | 2015-08-06 | 2020-10-02 | Valeo Vision | LUMINOUS MODULE IN TRANSPARENT MATERIAL WITH TWO SIDES OF REFLECTION |
FR3042846B1 (en) * | 2015-10-23 | 2017-12-01 | Valeo Vision | LIGHT DEVICE WITH OPTICAL GUIDES |
FR3042845B1 (en) | 2015-10-23 | 2019-11-29 | Valeo Vision | LIGHT DEVICE WITH OPTICAL GUIDES |
WO2017122629A1 (en) * | 2016-01-13 | 2017-07-20 | 三菱電機株式会社 | Headlight module and headlight device |
DE102016109132A1 (en) * | 2016-05-18 | 2017-11-23 | Hella Kgaa Hueck & Co. | Headlight, in particular headlight of a motor vehicle |
EP3527876A1 (en) * | 2018-02-19 | 2019-08-21 | ZKW Group GmbH | Motor vehicle headlamp with light guides arranged in matrix form |
DE102018206709A1 (en) * | 2018-05-02 | 2019-11-07 | Osram Gmbh | LIGHTING SYSTEM AND HEADLIGHTS |
DE102018127689A1 (en) * | 2018-11-06 | 2020-05-07 | HELLA GmbH & Co. KGaA | Imaging unit and headlights |
DE102019106934A1 (en) * | 2019-03-19 | 2020-09-24 | Automotive Lighting Reutlingen Gmbh | Light module for a lighting device of a motor vehicle |
DE102020107075A1 (en) * | 2020-03-15 | 2021-09-16 | Docter Optics Se | Headlight lens for a vehicle headlight |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005019093A1 (en) * | 2005-03-29 | 2006-10-05 | Fer Fahrzeugelektrik Gmbh | Turn signal light for installation to external rear view mirror of motor vehicle, has light guide formed of several legs curving differently |
EP1903274A1 (en) * | 2006-09-19 | 2008-03-26 | Schefenacker Vision Systems Germany GmbH | Illumination unit for full and dipped headlights |
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 (en) * | 2004-10-21 | 2009-06-18 | Osram Sylvania Inc., Danvers | Light-emitting diode module for motor vehicle headlights |
DE202011103703U1 (en) * | 2011-04-27 | 2011-12-05 | Automotive Lighting Reutlingen Gmbh | Light module of a motor vehicle for generating a sports distribution of a high beam light distribution and motor vehicle headlights with such a module |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 (en) * | 2004-07-07 | 2012-12-27 | Automotive Lighting Reutlingen Gmbh | Headlight of a motor vehicle with adaptive light distribution |
DE102005017528A1 (en) * | 2004-08-27 | 2006-03-09 | Osram Opto Semiconductors Gmbh | Illuminant with predetermined emission characteristic and primary optic element for a light source |
KR100619070B1 (en) * | 2005-03-08 | 2006-08-31 | 삼성전자주식회사 | Illuminating unit and projection type image display apparatus employing the same |
DE102005054955A1 (en) * | 2005-08-31 | 2007-04-26 | Osram Opto Semiconductors Gmbh | Light-emitting module, in particular for use in a projection optical device and optical projection device |
JP4937649B2 (en) * | 2006-06-28 | 2012-05-23 | 株式会社小糸製作所 | Vehicle lighting |
DE102006044641A1 (en) * | 2006-09-19 | 2008-03-27 | Schefenacker Vision Systems Germany Gmbh | Light unit with LED, light guide and secondary lens |
JP2009026462A (en) * | 2007-07-17 | 2009-02-05 | Toyoda Gosei Co Ltd | Lighting fixture for vehicle |
DE102009008631B4 (en) * | 2009-02-12 | 2016-11-03 | Automotive Lighting Reutlingen Gmbh | Projection module for a motor vehicle headlight |
JP5445923B2 (en) * | 2009-09-04 | 2014-03-19 | スタンレー電気株式会社 | Vehicle lighting |
JP2011081967A (en) * | 2009-10-05 | 2011-04-21 | Koito Mfg Co Ltd | Vehicle headlamp |
DE102010041096B4 (en) * | 2010-09-21 | 2024-05-08 | Osram Gmbh | Lighting device |
CN103238026B (en) * | 2010-12-03 | 2015-12-09 | 博士光学欧洲股份公司 | Front lamp of vehicle |
AT510931B1 (en) * | 2010-12-22 | 2013-09-15 | Zizala Lichtsysteme Gmbh | VEHICLE HEADLIGHTS WITH LED LIGHT MODULE |
JP2013026008A (en) * | 2011-07-20 | 2013-02-04 | Koito Mfg Co Ltd | Vehicular lamp |
-
2012
- 2012-10-12 DE DE102012218684.0A patent/DE102012218684B9/en not_active Expired - Fee Related
-
2013
- 2013-09-13 EP EP13184394.8A patent/EP2719940B1/en active Active
- 2013-10-09 US US14/049,718 patent/US9599301B2/en active Active
- 2013-10-12 CN CN201310474407.3A patent/CN103727474B/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE602005006360T2 (en) * | 2004-10-21 | 2009-06-18 | Osram Sylvania Inc., Danvers | Light-emitting diode module for motor vehicle headlights |
US20090073710A1 (en) * | 2004-11-18 | 2009-03-19 | Koninklijke Philips Electronics, N.V. | Illumination system and vehicular headlamp |
DE102005019093A1 (en) * | 2005-03-29 | 2006-10-05 | Fer Fahrzeugelektrik Gmbh | Turn signal light for installation to external rear view mirror of motor vehicle, has light guide formed of several legs curving differently |
EP1903274A1 (en) * | 2006-09-19 | 2008-03-26 | Schefenacker Vision Systems Germany GmbH | Illumination unit for full and dipped headlights |
US20090091944A1 (en) * | 2007-10-04 | 2009-04-09 | Valeo Vision | Lighting or signalling device for a motor vehicle |
DE202011103703U1 (en) * | 2011-04-27 | 2011-12-05 | Automotive Lighting Reutlingen Gmbh | Light module of a motor vehicle for generating a sports distribution of a high beam light distribution and motor vehicle headlights with such a module |
Also Published As
Publication number | Publication date |
---|---|
CN103727474B (en) | 2017-09-12 |
US9599301B2 (en) | 2017-03-21 |
DE102012218684A1 (en) | 2014-04-17 |
DE102012218684B9 (en) | 2016-05-25 |
CN103727474A (en) | 2014-04-16 |
EP2719940B1 (en) | 2017-06-14 |
EP2719940A2 (en) | 2014-04-16 |
US20140104864A1 (en) | 2014-04-17 |
DE102012218684B4 (en) | 2016-03-31 |
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