DE102008061556A1 - Lighting device for vehicle, has optically effective correction element changing path of rays of light between source of light matrix and optically effective element such that virtual curvature of flat carrier plate is caused - Google Patents
Lighting device for vehicle, has optically effective correction element changing path of rays of light between source of light matrix and optically effective element such that virtual curvature of flat carrier plate is caused Download PDFInfo
- Publication number
- DE102008061556A1 DE102008061556A1 DE102008061556A DE102008061556A DE102008061556A1 DE 102008061556 A1 DE102008061556 A1 DE 102008061556A1 DE 102008061556 A DE102008061556 A DE 102008061556A DE 102008061556 A DE102008061556 A DE 102008061556A DE 102008061556 A1 DE102008061556 A1 DE 102008061556A1
- Authority
- DE
- Germany
- Prior art keywords
- optically effective
- correction element
- lighting device
- effective correction
- light
- 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.)
- Withdrawn
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
- F21S41/20—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
- F21S41/10—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]
- F21S41/143—Light emitting diodes [LED] the main emission direction of the LED being parallel 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
- F21S41/10—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
- F21S41/10—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
- 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
- F21Y2105/00—Planar light sources
- F21Y2105/10—Planar light sources comprising a two-dimensional array of point-like light-generating elements
-
- 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
Description
Die Erfindung betrifft eine Beleuchtungseinrichtung für ein Fahrzeug nach dem Oberbegriff des Patenanspruchs 1.The The invention relates to a lighting device for a Vehicle according to the preamble of patent claim 1.
Moderne Beleuchtungseinrichtungen können eine Mehrzahl von LED-Lichtquellen aufweisen, die zur Ausführung von mindestens einer Lichtfunktion in mindestens einer gemeinsamen Licht abstrahlenden Lichtquellenmatrix zusammengefasst sind. So können für Frontleuchten beispielsweise die Lichtfunktionen Abblendlicht, Fernlicht, Positionslicht, Nebellicht, Fahrtrichtungsanzeige usw. bzw. für Heckleuchten die Lichtfunktionen, Rücklicht, Bremslicht, Nebelschlusslicht, Fahrtrichtungsanzeige, Rückfahrscheinwerfer usw. durch verschiedene Lichtverteilungen und/oder Lichtquellenmatrizen umgesetzt werden. Zur Vermeidung von Abbildungsfehlern sollten die einzelnen LED-Lichtquellen der Lichtquellenmatrix zur Erzielung einer optimalen Lichtausbeute idealerweise auf einer Trägerplatine angeordnet werden, welche die Form einer Kugelschale aufweist. Eine so gewölbte Platine ist jedoch schwierig herzustellen und eine automatische Bestückung wäre nur sehr aufwändig durchführbar.modern Lighting devices may include a plurality of LED light sources having for performing at least one light function in at least one common light emitting light source matrix are summarized. So can for front lights For example, the light functions low beam, high beam, position light, Fog light, direction indicator etc. or for rear lights the light functions, tail light, brake light, rear fog light, Direction indicator, reversing lights, etc. by implemented various light distributions and / or light source arrays become. To avoid aberrations, the individual should LED light sources of the light source matrix to achieve optimum Luminous efficiency ideally arranged on a carrier board be, which has the shape of a spherical shell. Such a vaulted However, PCB is difficult to manufacture and automatic Assembly would be very expensive to carry out.
In
der Offenlegungsschrift
Die Halbleiterlichtquellen können zur Erzielung einer guten Lichtausbeute zumindest annähernd in einer Ebene angeordnet werden oder über eine konkav gekrümmte Fläche oder eine gestufte Fläche verteilt werden, wobei die Fläche beispielsweise eine sphärische Krümmung aufweisen.The Semiconductor light sources can to achieve a good Luminous efficacy at least approximately arranged in a plane or over a concave curved surface or a stepped surface are distributed, the area for example, have a spherical curvature.
Aufgabe der Erfindung ist es, eine Beleuchtungseinrichtung für ein Fahrzeug anzugeben, die eine optimale Lichtverteilung und eine hohe Lichteffizienz ermöglicht.task The invention is an illumination device for indicate a vehicle that has optimal light distribution and a high light efficiency allows.
Die Erfindung löst diese Aufgabe durch Bereitstellung einer Beleuchtungseinrichtung für ein Fahrzeug mit den Merkmalen des Patentanspruchs 1.The The invention solves this problem by providing a Lighting device for a vehicle with the features of claim 1
Vorteilhafte Ausführungsformen und Weiterbildungen der Erfindung sind in den abhängigen Ansprüchen angegeben.advantageous Embodiments and developments of the invention are specified in the dependent claims.
Erfindungsgemäß umfasst
die erfindungsgemäße Beleuchtungseinrichtung für
ein Fahrzeug ein optisch wirksames Korrekturelement, das zwischen einer
Lichtquellenmatrix mit einer Mehrzahl von LED-Lichtquellen und mindestens
einem optisch wirksamen Element
In Ausgestaltung der erfindungsgemäßen Beleuchtungseinrichtung korrigiert das optisch wirksame Korrekturelement die wirksamen optischen Achsen der einzelnen auf der flachen Trägerplatine angeordneten LED-Lichtquellen dahingehend, dass die wirksamen optischen Achsen nach Durchlaufen des optisch wirksamen Korrekturelements mit optischen Achsen von korrespondierenden virtuellen LED-Lichtquellen übereinstimmen, die auf einer gewölbten virtuellen Trägerplatine angeordnet sind. Die vom optisch wirksamen Korrekturelement erzeugte optisch wirksame Wölbung der Trägerplatine entspricht beispielsweise annährend einer Kugelschale, um eine möglichst optimale Lichtverteilung der auf der flachen Trägerplatine angeordneten Lichtquellenmatrix zu erzeugen.In Embodiment of the illumination device according to the invention the optically effective correction element corrects the effective optical axes the individual arranged on the flat carrier board LED light sources in that the effective optical axes after passing through the optically effective correction element with optical Axes of corresponding virtual LED light sources that match arranged on a curved virtual carrier board are. The optical generated by the optically effective correction element effective curvature of the carrier board corresponds for example, approximately a spherical shell, to a possible optimal light distribution on the flat carrier board to generate arranged light source matrix.
In weiterer Ausgestaltung der erfindungsgemäßen Beleuchtungseinrichtung sind das optisch wirksame Element und/oder das optisch wirksame Korrekturelement als Sammellinse ausgeführt.In further embodiment of the illumination device according to the invention are the optically active element and / or the optically effective correction element designed as a converging lens.
In besonders vorteilhafter Ausgestaltung der erfindungsgemäßen Beleuchtungseinrichtung ist das optisch wirksame Korrekturelement so angeordnet, dass der Abstand zur Lichtquellenmatrix minimiert ist und die Brennweite des optisch wirksamen Korrekturelements der Brennweite des optisch wirksamen Elements entspricht. Zudem kann das optisch wirksame Korrekturelement einen hohen Brechungsindex aufweisen, der insbesondere größer als 1,6 für die relevanten Wellenlängen ist. Hierdurch kann die Dicke des Elements gering gehalten werden. Zur Erzeugung eines vorgegebenen Strahlengangs zwischen der Lichtquellenmatrix und dem optisch wirksamen Element und zur Erzielung eines vorgegebenen optischen Effekts kann das optisch wirksame Korrekturelement bi-konvex, plan-konvex oder konkav-konvex ausgeführt werden.In a particularly advantageous embodiment of the illumination device according to the invention is optically effective correction element arranged so that the distance to the light source matrix is minimized and the focal length of the optically effective correction element corresponds to the focal length of the optically active element. In addition, the optically effective correction element can have a high refractive index, which is in particular greater than 1.6 for the relevant wavelengths. As a result, the thickness of the element can be kept low. In order to generate a predetermined beam path between the light source matrix and the optically active element and to achieve a predetermined optical effect, the optically effective correction element can be made bi-convex, plano-convex or concavo-convex.
Vorteilhafte Ausführungsformen der Erfindung sind in den Zeichnungen dargestellt und werden nachfolgend beschrieben.advantageous Embodiments of the invention are in the drawings and are described below.
Dabei zeigen:there demonstrate:
Wie
aus
Wie
aus
Im
dargestellten Ausführungsbeispiel ist das optisch wirksame
Korrekturelement
In der Beleuchtungseinrichtung für ein Fahrzeug wird durch eine einfache Korrekturlinse eine virtuelle Wölbung der Trägerplatine der Lichtquellenmatrix erzeugt, um eine optimale Lichtverteilung und hohe Lichteffizienz bei durch die Vereinfachung des Aufbaus reduzierten Kosten zu erzielen.In the lighting device for a vehicle is through a simple correction lens a virtual curvature of the Carrier board of the light source matrix generated to an optimum Light distribution and high light efficiency by simplification of construction to achieve reduced costs.
- 11
- Beleuchtungseinrichtunglighting device
- 1010
- LichtquellenmatrixLight source matrix
- 10'10 '
- virtuelle Lichtquellenmatrixvirtual Light source matrix
- 10.1 bis 10.n10.1 to 10.n
- LED-LichtquelleLED light source
- 10.1' bis 10.n'10.1 ' to 10.n '
- virtuelle LED-Lichtquellevirtual LED light source
- 1212
- Trägerplatinecarrier board
- 12'12 '
- virtuelle Trägerplatinevirtual carrier board
- 14.1, 14.214.1, 14.2
- Reflektorreflector
- 2020
- optisch wirksames Elementoptical effective element
- 2222
- optisch wirksames Korrekturelementoptical effective correction element
- 30.1 bis 30.n30.1 to 30.n
- optische Achse einer LED-Lichtquelleoptical Axis of an LED light source
- 30.1' bis 30.n'30.1 ' to 30.n '
- optische Achse einer virtuellen LED-Lichtquelleoptical Axis of a virtual LED light source
- 3232
- optische Achse der Projektionslinseoptical Axis of the projection lens
- FF
- Brennweitefocal length
ZITATE ENTHALTEN IN DER BESCHREIBUNGQUOTES INCLUDE IN THE DESCRIPTION
Diese Liste der vom Anmelder aufgeführten Dokumente wurde automatisiert erzeugt und ist ausschließlich zur besseren Information des Lesers aufgenommen. Die Liste ist nicht Bestandteil der deutschen Patent- bzw. Gebrauchsmusteranmeldung. Das DPMA übernimmt keinerlei Haftung für etwaige Fehler oder Auslassungen.This list The documents listed by the applicant have been automated generated and is solely for better information recorded by the reader. The list is not part of the German Patent or utility model application. The DPMA takes over no liability for any errors or omissions.
Zitierte PatentliteraturCited patent literature
- - DE 10009782 A1 [0003] - DE 10009782 A1 [0003]
Claims (9)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102008061556A DE102008061556A1 (en) | 2008-12-11 | 2008-12-11 | Lighting device for vehicle, has optically effective correction element changing path of rays of light between source of light matrix and optically effective element such that virtual curvature of flat carrier plate is caused |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102008061556A DE102008061556A1 (en) | 2008-12-11 | 2008-12-11 | Lighting device for vehicle, has optically effective correction element changing path of rays of light between source of light matrix and optically effective element such that virtual curvature of flat carrier plate is caused |
Publications (1)
Publication Number | Publication Date |
---|---|
DE102008061556A1 true DE102008061556A1 (en) | 2009-09-24 |
Family
ID=40984143
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE102008061556A Withdrawn DE102008061556A1 (en) | 2008-12-11 | 2008-12-11 | Lighting device for vehicle, has optically effective correction element changing path of rays of light between source of light matrix and optically effective element such that virtual curvature of flat carrier plate is caused |
Country Status (1)
Country | Link |
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DE (1) | DE102008061556A1 (en) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013192105A1 (en) * | 2012-06-21 | 2013-12-27 | Qualcomm Mems Technologies, Inc. | Beam pattern projector with modulating array of light sources |
US9170474B2 (en) | 2012-06-21 | 2015-10-27 | Qualcomm Mems Technologies, Inc. | Efficient spatially modulated illumination system |
CN106813183A (en) * | 2015-11-27 | 2017-06-09 | 通用汽车环球科技运作有限责任公司 | For the headlight of automobile |
EP3208530A1 (en) | 2016-02-22 | 2017-08-23 | Valeo Vision | Device for projecting light beams provided with light source arrays, lighting module and vehicle headlamp provided with such a device |
EP3208529A1 (en) | 2016-02-22 | 2017-08-23 | Valeo Vision | Light beam projection device having an array of light sources, lighting module and vehicle headlamp provided with such a device |
CN108302464A (en) * | 2016-09-29 | 2018-07-20 | 法雷奥照明公司 | Optical module for motor vehicles |
EP3421875A1 (en) * | 2017-06-29 | 2019-01-02 | Valeo Vision | Light module comprising an optical field-correction element |
EP3835649A1 (en) * | 2019-12-12 | 2021-06-16 | T.Y.C. Brother Industrial Co., Ltd. | Adaptive headlight for vehicles |
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US5309277A (en) * | 1992-06-19 | 1994-05-03 | Zygo Corporation | High intensity illuminator |
DE10009782A1 (en) | 2000-03-01 | 2001-09-06 | Bosch Gmbh Robert | Lighting device for motor vehicle has sub-sets of semiconducting light sources in different defined areas of matrix that can be operated independently of each other |
DE10102613A1 (en) * | 2001-01-21 | 2002-07-25 | Aloysius Wolf | Focusing device for light emitting diodes of illuminating devices, has base plate on which light emitting diodes sit that can be displaced in convex or concave manner |
US20040263346A1 (en) * | 2003-06-27 | 2004-12-30 | Guide Corporation, A Delaware Corporation | Solid state adaptive forward lighting system |
DE10358053A1 (en) * | 2003-12-05 | 2005-07-14 | Siemens Ag | light signal |
DE102007044740A1 (en) * | 2007-09-18 | 2008-05-08 | Daimler Ag | Vehicle headlight, has LEDs arranged at set of LED fields, and individually switched on and switched off and/or dimmable independently and groupwise, where optical unit is attached to each LED field |
-
2008
- 2008-12-11 DE DE102008061556A patent/DE102008061556A1/en not_active Withdrawn
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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US5309277A (en) * | 1992-06-19 | 1994-05-03 | Zygo Corporation | High intensity illuminator |
DE10009782A1 (en) | 2000-03-01 | 2001-09-06 | Bosch Gmbh Robert | Lighting device for motor vehicle has sub-sets of semiconducting light sources in different defined areas of matrix that can be operated independently of each other |
DE10102613A1 (en) * | 2001-01-21 | 2002-07-25 | Aloysius Wolf | Focusing device for light emitting diodes of illuminating devices, has base plate on which light emitting diodes sit that can be displaced in convex or concave manner |
US20040263346A1 (en) * | 2003-06-27 | 2004-12-30 | Guide Corporation, A Delaware Corporation | Solid state adaptive forward lighting system |
DE10358053A1 (en) * | 2003-12-05 | 2005-07-14 | Siemens Ag | light signal |
DE102007044740A1 (en) * | 2007-09-18 | 2008-05-08 | Daimler Ag | Vehicle headlight, has LEDs arranged at set of LED fields, and individually switched on and switched off and/or dimmable independently and groupwise, where optical unit is attached to each LED field |
Cited By (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013192105A1 (en) * | 2012-06-21 | 2013-12-27 | Qualcomm Mems Technologies, Inc. | Beam pattern projector with modulating array of light sources |
CN104395817A (en) * | 2012-06-21 | 2015-03-04 | 高通Mems科技公司 | Beam pattern projector with modulating array of light sources |
US9170474B2 (en) | 2012-06-21 | 2015-10-27 | Qualcomm Mems Technologies, Inc. | Efficient spatially modulated illumination system |
US9291806B2 (en) | 2012-06-21 | 2016-03-22 | Qualcomm Mems Technologies, Inc. | Beam pattern projector with modulating array of light sources |
CN104395817B (en) * | 2012-06-21 | 2018-09-11 | 追踪有限公司 | The beam pattern projector of modulation array with light source |
CN106813183A (en) * | 2015-11-27 | 2017-06-09 | 通用汽车环球科技运作有限责任公司 | For the headlight of automobile |
CN107101154A (en) * | 2016-02-22 | 2017-08-29 | 法雷奥照明公司 | Light-beam projecting device, illumination and headlamp module provided with light source matrix |
US10876694B2 (en) | 2016-02-22 | 2020-12-29 | Valeo Vision | Light beam projection device provided with submatrices of light sources, lighting and headlight module provided with such a device |
FR3048059A1 (en) * | 2016-02-22 | 2017-08-25 | Valeo Vision | LIGHT BEAM PROJECTION DEVICE HAVING LIGHT SOURCE MATRIX, LIGHTING MODULE AND PROJECTOR PROVIDED WITH SUCH A DEVICE |
CN107101150A (en) * | 2016-02-22 | 2017-08-29 | 法雷奥照明公司 | The light-beam projecting device that is provided with the submatrix of light source, the illumination for being provided with the device and head lamp modules |
EP3208529A1 (en) | 2016-02-22 | 2017-08-23 | Valeo Vision | Light beam projection device having an array of light sources, lighting module and vehicle headlamp provided with such a device |
EP3208530A1 (en) | 2016-02-22 | 2017-08-23 | Valeo Vision | Device for projecting light beams provided with light source arrays, lighting module and vehicle headlamp provided with such a device |
FR3048060A1 (en) * | 2016-02-22 | 2017-08-25 | Valeo Vision | LIGHT BEAM PROJECTION DEVICE HAVING LIGHT SOURCE SUBMATHES, LIGHTING MODULE AND PROJECTOR PROVIDED WITH SUCH A DEVICE |
US11873957B2 (en) | 2016-02-22 | 2024-01-16 | Valeo Vision | Light beam projection device provided with submatrices of light sources, lighting and headlight module provided with such a device |
US10400972B2 (en) | 2016-02-22 | 2019-09-03 | Valeo Vision | Light beam projection device provided with a matrix of light sources, lighting and headlight module provided with such a device |
CN108302464A (en) * | 2016-09-29 | 2018-07-20 | 法雷奥照明公司 | Optical module for motor vehicles |
CN108302464B (en) * | 2016-09-29 | 2022-01-28 | 法雷奥照明公司 | Optical module for a motor vehicle |
EP3421875A1 (en) * | 2017-06-29 | 2019-01-02 | Valeo Vision | Light module comprising an optical field-correction element |
US10823357B2 (en) | 2017-06-29 | 2020-11-03 | Valeo Vision | Luminous module including a field-correcting optical element |
FR3068435A1 (en) * | 2017-06-29 | 2019-01-04 | Valeo Vision | LUMINOUS MODULE COMPRISING AN OPTICAL FIELD CORRECTION ELEMENT |
EP3835649A1 (en) * | 2019-12-12 | 2021-06-16 | T.Y.C. Brother Industrial Co., Ltd. | Adaptive headlight for vehicles |
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