DE102008012195A1 - Illumination device for motor vehicle, has flat light conducting element containing two flat sides and multiple narrow sides connected by flat sides, where light source is provided to narrow side of flat light conducting element - Google Patents
Illumination device for motor vehicle, has flat light conducting element containing two flat sides and multiple narrow sides connected by flat sides, where light source is provided to narrow side of flat light conducting element Download PDFInfo
- Publication number
- DE102008012195A1 DE102008012195A1 DE102008012195A DE102008012195A DE102008012195A1 DE 102008012195 A1 DE102008012195 A1 DE 102008012195A1 DE 102008012195 A DE102008012195 A DE 102008012195A DE 102008012195 A DE102008012195 A DE 102008012195A DE 102008012195 A1 DE102008012195 A1 DE 102008012195A1
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- Germany
- Prior art keywords
- light
- flat
- narrow side
- planar
- lighting device
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/0029—Spatial arrangement
- B60Q1/0041—Spatial arrangement of several lamps in relation to each other
- B60Q1/0058—Stacked, i.e. one lamp located behind the other in the optical axis direction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/0029—Spatial arrangement
- B60Q1/0041—Spatial arrangement of several lamps in relation to each other
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/10—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source
- F21S43/13—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source characterised by the type of light source
- F21S43/14—Light emitting diodes [LED]
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
- F21S43/235—Light guides
- F21S43/236—Light guides characterised by the shape of the light guide
- F21S43/237—Light guides characterised by the shape of the light guide rod-shaped
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
- F21S43/235—Light guides
- F21S43/236—Light guides characterised by the shape of the light guide
- F21S43/239—Light guides characterised by the shape of the light guide plate-shaped
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
- F21S43/235—Light guides
- F21S43/242—Light guides characterised by the emission area
- F21S43/243—Light guides characterised by the emission area emitting light from one or more of its extremities
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
- F21S43/235—Light guides
- F21S43/247—Light guides with a single light source being coupled into the light guide
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
- F21S43/235—Light guides
- F21S43/249—Light guides with two or more light sources being coupled into the light guide
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/30—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights 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
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/40—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the combination of reflectors and refractors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q2400/00—Special features or arrangements of exterior signal lamps for vehicles
- B60Q2400/30—Daytime running lights [DRL], e.g. circuits or arrangements therefor
-
- 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
- F21S41/338—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector having surface portions added to its general concavity
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Planar Illumination Modules (AREA)
Abstract
Description
Die Erfindung betrifft eine Beleuchtungsvorrichtung für Kraftfahrzeuge mit einem flächigen Lichtleitelement enthaltend mindestens zwei Flachseiten und eine Anzahl von die Flachseiten verbindenden Schmalseiten, und mit mindestens einer einer Schmalseite des flächigen Lichtleitelementes zugeordneten Lichtquelle, wobei die der Lichtquelle zugeordnete Schmalseite als eine Lichteinkoppelfläche ausgebildet ist zum Einkoppeln des von der Lichtquelle ausgesandten Lichtes in das flächige Lichtleitelement, dass das flächige Lichtleitelement eine erste Flachseite und eine gegenüberliegende zweite Flachseite aufweist, an denen das eingekoppelte Licht totalreflektiert wird, wobei die erste Flachseite Auskoppelelemente aufweist, so dass das auf die Auskoppelelemente auftreffende Licht in Richtung der gegenüberliegenden zweiten Flachseite reflektiert wird, und wobei die zweite Flachseite als eine große Lichtauskoppelfläche ausgebildet ist.The The invention relates to a lighting device for motor vehicles with a planar light-guiding element containing at least two flat sides and a number of narrow sides connecting the flat sides, and at least one of a narrow side of the planar Light guide associated light source, wherein the light source associated narrow side formed as a light input surface is for coupling the light emitted by the light source in the planar light guide, that the flat Light guide a first flat side and an opposite second flat side, where the injected light totally reflects is, wherein the first flat side has Auskoppelelemente, so that the incident on the output coupling light in the direction of opposite second flat side is reflected, and wherein the second flat side as a large light output surface is trained.
Aus
der
Aufgabe der vorliegenden Erfindung ist es, eine Beleuchtungsvorrichtung für Kraftfahrzeuge mit einem flächigen Lichtleitelement derart weiterzubilden, dass auf Platz sparende Weise die Effektivität gesteigert wird.task It is the object of the present invention to provide a lighting device for motor vehicles with a planar light guide in such a way that in a space-saving manner increases the effectiveness becomes.
Zur Lösung dieser Aufgabe ist die Erfindung in Verbindung mit dem Oberbegriff des Patentanspruchs 1 dadurch gekennzeichnet, dass die Flachseiten des flächigen Lichtleitelementes derart ausgebildet sind, dass ein Teil des ausgekoppelten Lichtes an einer zweiten Schmalseite des flächigen Lichtleitelementes geleitet wird, und dass die zweite Schmalseite als eine kleine Lichtauskoppelfläche ausgebildet ist, der ein Mittel zum Reflektieren des an der zweiten Schmalseite ausgekoppelten Lichtes zugeordnet ist.to Solution to this problem is the invention in connection with the preamble of claim 1, characterized in that the flat sides of the planar light-guiding element in such a way are formed so that a part of the light coupled out at a passed on the second narrow side of the planar light-guiding element is, and that the second narrow side as a small light output surface is formed, which has a means for reflecting the at the second Narrow side is associated with decoupled light.
Der besondere Vorteil der Erfindung besteht darin, dass der überschüssige, von einer auskoppelnden Flachseite des flächigen Lichtleitelements nicht genutzte Lichtstrom des eingekoppelten Lichtes für die von dem Lichtleitelement bereitgestellte Lichtfunktion genutzt werden kann. Erfindungsgemäß ist eine kleine Lichtauskoppelfläche an einer zweiten Schmalseite des flächigen Lichtleitelementes vorgesehen, so dass ein zweiter Teil des eingekoppelten Lichtes in Richtung eines Mittels zum Reflektieren ausgekoppelt wird. Das Mittel zum Reflektieren ist im Bereich der zweiten Schmalseite angeordnet und derart ausgebildet, dass eine Effizienz steigernde Abstrahlung des durch die an einer ersten Schmalseite des flächigen Lichtleitelements angeordneten Lichtquelle ermöglicht wird. Nach der Erfindung dient das flächige Lichtleitelement als eine Sekundärlichtquelle, die Licht abstrahlt, welches durch ein Mittel zum Reflektieren ausgebildetes Optiksystem gerichtet bzw. umgelenkt wird. Vorteilhaft dient das Lichtleitelement zum einen als „Lichtvorhang”, bei dem ein erster Teil des eingekoppelten Lichtes homogen aus einer Flachseite des flächigen Lichtleitelementes abgestrahlt wird. Zum anderen dient das flächige Lichtleitelement als Sekundärlichtquelle für mindestens ein weiteres Optiksystem. Durch die erfindungsgemäß effektive Nutzung des randseitig an der zweiten Schmalseite des Lichtleitelementes austretenden Lichtes kann die durch das flächige Lichtleitelement gebildete Lichteinheit insbesondere zur Erzeugung einer Bremslicht- oder Blinklicht- oder Tagfahrlichtfunktion genutzt werden.Of the particular advantage of the invention is that the excess, from a decoupling flat side of the planar light guide element not used luminous flux of the injected light for the be used by the light guide provided light function can. According to the invention, a small light output surface on a second narrow side of the planar light-guiding element provided so that a second part of the injected light is coupled in the direction of a means for reflecting. The Means for reflecting is arranged in the region of the second narrow side and designed such that an efficiency-enhancing radiation by the on a first narrow side of the flat Light guiding element arranged light source is made possible. According to the invention, the planar light-guiding element serves as a secondary light source that emits light, which directed by a means for reflecting trained optical system or is diverted. Advantageously, the light guide serves for a as a "light curtain", in which a first part of the coupled light homogeneously from a flat side of the flat Lichtleitelementes is emitted. On the other hand serves the two-dimensional Light guide as a secondary light source for at least one another optics system. By the invention effective Use of the edge on the second narrow side of the light-guiding element Exiting light can be formed by the planar light guide Light unit, in particular for generating a brake light or flashing light or daytime running light function can be used.
Nach einer bevorzugten Ausführungsform der Erfindung ist als Mittel zum Reflektieren ein Zusatzreflektor vorgesehen, der im Bereich einer zweiten Schmalseite des flächigen Lichtleitelementes angeordnet ist und das von der zweiten Schmalseite ausgekoppelte Licht zur Bildung einer vorgegebenen Lichtverteilung umlenkt. Der Zusatzreflektor ermöglicht eine effektive Ausnutzung des an einem Rand des flächigen Lichtleiters austretenden Lichtes. Nach einer ersten Variante kann der Zusatzreflektor derart ausgebildet sein, dass das von der zweiten Schmalseite des flächigen Lichtleitelementes ausgekoppelte Licht in Hauptabstrahlrichtung umgelenkt wird, so dass die von dem flächigen Lichtleitelement ausgehende Leuchtfläche vergrößert werden kann. Nach einer zweiten Variante kann das aus der zweiten Schmalseite austretende Licht in einen rückseitigen Bereich des flächigen Lichtleitelementes umgelenkt werden in Richtung weiterer Reflexionsmittel. Beispielsweise kann der hierdurch umgelenkte Lichtanteil zur Hinterleuchtung des flächigen Lichtleitelementes genutzt werden.To A preferred embodiment of the invention is as Means for reflecting an auxiliary reflector provided in the area a second narrow side of the planar light-guiding element is arranged and decoupled from the second narrow side Deflects light to form a given light distribution. Of the Additional reflector allows effective use of the at one edge of the planar light guide exiting light. According to a first variant of the additional reflector may be formed be that from the second narrow side of the plane Lichtleitelementes coupled light in Hauptabstrahlrichtung is deflected so that the of the planar light guide outgoing light area can be increased can. According to a second variant, this can be done from the second narrow side escaping light in a back area of the plane Lichtleitelementes are deflected towards further reflection means. For example, the light component deflected thereby can be used for backlighting be used of the planar light guide.
Nach einer Weiterbildung der Erfindung ist der Zusatzreflektor ringförmig oder teilringförmig um das flächige Lichtleitelement herum angeordnet. Reflektorflächen des Zusatzreflektors können parabolisch, kegelförmig oder kugelförmig ausgebildet sein. Vorteilhaft ermöglicht der randseitige Zusatzreflektor die Ausbildung eines hellen, vorzugsweise vollständig umlaufenden Randes um das flächige Lichtleitelement. Der Zusatzreflektor ermöglicht somit eine optische Hervorhebung der Kontur des flächigen Lichtleitelementes „Lichtvorhangs”. Dieser Lichtvorhang kann in seiner Kontur kreisförmig, rechteckig, dreieckig oder eine beliebige Kontur aufweisen.To In a further development of the invention, the additional reflector is annular or partial ring around the planar light guide arranged around. Reflector surfaces of the additional reflector can be parabolic, conical or spherical be educated. Advantageously, the edge-side allows Additional reflector the formation of a bright, preferably completely circumferential edge around the planar light guide. Of the Additional reflector thus allows visual highlighting the contour of the planar light-guiding element "light curtain". This light curtain can be circular in shape, rectangular, triangular or any contour.
Nach einer Weiterbildung der Erfindung kann das flächige Lichtleitelement an einem vorderen Rand einer Lichteinheit angeordnet sein, die aus einer Lichtquelle und einem demselben zugeordneten Reflektor bestehen. Das flächige Lichtleitelement deckt dabei die Lichteinheit zur Vorderseite hin ab. Vorteilhaft kann hierdurch eine kompakte Anordnung von mehreren Lichteinheiten bereitgestellt werden, wobei das flächige Lichtleitelement in Verbindung mit dem Zusatzreflektor zur Erzeugung einer Schluss-/Bremslichtfunktion oder einer Position-/Tagfahrlichtfunktion einerseits und die in Hauptabstrahlrichtung hinter dem Lichtleitelement angeordnete Lichteinheit zur Bildung einer Blinklichtfunktion andererseits eingesetzt werden kann.To a development of the invention, the planar light guide be arranged on a front edge of a light unit, the a light source and a reflector associated therewith. The planar light guide covers the light unit towards the front. This can advantageously be a compact Arrangement of a plurality of light units are provided, wherein the planar light guide in conjunction with the additional reflector for generating a tail / brake light function or a position / daytime running light function on the one hand and in the main emission direction behind the light guide arranged light unit for forming a flashing light function on the other hand can be used.
Nach einer Weiterbildung der Erfindung kann auf einer beabstandet zu der Rückseite des flächigen Lichtleitelements zugewandten Seite lediglich eine Reflektorfläche angeordnet sein, derart, dass im Zusammenwirken mit dem Zusatzreflektor das von der zweiten Schmalseite austretende Licht um mehr als 180° umgelenkt wird und dann durch Brechung an den Flachseiten des flächigen Lichtleitelementes in Hauptabstrahlrichtung abgestrahlt wird. Vorteilhaft kann hierdurch die Fläche des Lichtleitelementes von hinten zusätzlich ausgeleuchtet werden.To a development of the invention may be spaced on a the back of the planar light guide facing side arranged only a reflector surface be such that in cooperation with the additional reflector the light emerging from the second narrow side is deflected by more than 180 ° and then by refraction on the flat sides of the flat Lichtleitelementes is radiated in the main emission. Advantageously As a result, the surface of the light guide element from behind be additionally lit.
Nach einer Weiterbildung der Erfindung können Auskoppelelemente an der Vorderseite und/oder an der Rückseite des flächigen Lichtleiters angeordnet sein, wobei ein Hauptlichtstrom in Hauptabstrahlrichtung und ein Nebenlicht strom entgegen der Hauptabstrahlrichtung der Beleuchtungsvorrichtung ausgekoppelt werden. Der Nebenlichtstrom trifft auf Optikstrukturen der hinter dem Lichtleitelement angeordneten Reflektorfläche, so dass eine ambiente Rückraumausleuchtung des „Lichtvorhangs” erzielt wird.To a development of the invention can Auskoppelelemente at the front and / or at the back of the plane Be arranged light guide, wherein a main luminous flux in Hauptabstrahlrichtung and a secondary light current coupled opposite to the main emission of the lighting device become. The secondary luminous flux meets optical structures of the rear the light guide arranged reflector surface, so that an ambience backlight illumination of the "light curtain" is achieved.
Weitere Vorteile der Erfindung ergeben sich aus den weiteren Unteransprüchen.Further Advantages of the invention will become apparent from the other dependent claims.
Ausführungsbeispiele der Erfindung werden nachfolgend anhand der Zeichnungen näher erläutert.embodiments The invention will be described in more detail below with reference to the drawings explained.
Es zeigen:It demonstrate:
Eine
Beleuchtungsvorrichtung für Kraftfahrzeuge nach einer ersten
Ausführungsform gemäß den
Handelt
es sich bei der Beleuchtungsvorrichtung um eine Signalleuchte, die
in einem Heckbereich des Kraftfahrzeugs eingesetzt wird, kann die erste
Leuchteinheit
Das
flächige Lichtleitelement
Die
Rückseite
Die
Auskoppelelemente an der Rückseite
In
Wie
insbesondere aus den
Im
vorliegenden Ausführungsbeispiel erstreckt sich die zweite
Schmalseite
Nach
einer zweiten Ausführungsform der Beleuchtungsvorrichtung
gemäß
Gleiche Bauteile bzw. Bauteilfunktionen der unterschiedlichen Ausführungsbeispiele sind mit den gleichen Bezugsziffern versehen.Same Components or component functions of the different embodiments are provided with the same reference numerals.
Das
von den Lichtquellen
Nach
einer weiteren Ausführungsform der Beleuchtungsvorrichtung
gemäß den
Nach
einer weiteren Ausführungsform der Beleuchtungsvorrichtung
gemäß den
Die
Reflektorfläche
Nach
einer nicht dargestellten alternativen Ausführungsform
der Beleuchtungsvorrichtung kann die erste Lichteinheit
Nach
einer nicht dargestellten alternativen Ausführungsform
der Beleuchtungsvorrichtung kann an der Schmalseite
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 10207694 A1 [0002] - DE 10207694 A1 [0002]
Claims (11)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102008012195A DE102008012195A1 (en) | 2008-03-03 | 2008-03-03 | Illumination device for motor vehicle, has flat light conducting element containing two flat sides and multiple narrow sides connected by flat sides, where light source is provided to narrow side of flat light conducting element |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102008012195A DE102008012195A1 (en) | 2008-03-03 | 2008-03-03 | Illumination device for motor vehicle, has flat light conducting element containing two flat sides and multiple narrow sides connected by flat sides, where light source is provided to narrow side of flat light conducting element |
Publications (1)
Publication Number | Publication Date |
---|---|
DE102008012195A1 true DE102008012195A1 (en) | 2009-09-10 |
Family
ID=40936138
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE102008012195A Withdrawn DE102008012195A1 (en) | 2008-03-03 | 2008-03-03 | Illumination device for motor vehicle, has flat light conducting element containing two flat sides and multiple narrow sides connected by flat sides, where light source is provided to narrow side of flat light conducting element |
Country Status (1)
Country | Link |
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DE (1) | DE102008012195A1 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102010013821A1 (en) | 2010-04-03 | 2011-10-06 | Volkswagen Ag | Light device for vehicle, has illuminant with two light outlets, where light device is formed such that light emitted by former light outlet radiates on two reflectors |
DE102012017262A1 (en) * | 2012-08-31 | 2014-03-06 | Volkswagen Aktiengesellschaft | Lighting device e.g. rear light, for functioning as e.g. stop light in motor car, has rear stepped region formed within reflecting surface in reflector, where light emission from light source is not radiated through stepped region |
EP2442013A3 (en) * | 2010-10-15 | 2014-05-07 | Automotive Lighting Reutlingen GmbH | Lighting device for a motor vehicle with a semiconductor light source and a reflector |
DE102013107912A1 (en) | 2013-07-24 | 2015-01-29 | Hella Kgaa Hueck & Co. | Lighting device for vehicles |
Citations (5)
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DE10065020A1 (en) * | 2000-09-04 | 2002-03-14 | Bosch Gmbh Robert | Motor vehicle head lamp with integral parking lamps, uses light guide under reflector directing light back onto the reflector for parking illumination |
DE10200359A1 (en) * | 2002-01-08 | 2003-07-17 | Automotive Lighting Reutlingen | Lighting unit for road vehicles has primary and secondary light sources |
DE10207694A1 (en) | 2002-02-22 | 2003-11-13 | Hella Kg Hueck & Co | Lighting unit for motor vehicles has a casing with light-decoupling units fitted one behind the other in a light-exit direction |
DE102004011961A1 (en) * | 2003-03-11 | 2004-10-07 | Koito Manufacturing Co., Ltd. | vehicle light |
DE10314351A1 (en) * | 2003-03-31 | 2004-10-14 | Hella Kg Hueck & Co. | Light for vehicle, especially motor vehicle, has coloring element arranged so color effect of light conducting element and/or light is changed and/or increased with light operating or not operating |
-
2008
- 2008-03-03 DE DE102008012195A patent/DE102008012195A1/en not_active Withdrawn
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10065020A1 (en) * | 2000-09-04 | 2002-03-14 | Bosch Gmbh Robert | Motor vehicle head lamp with integral parking lamps, uses light guide under reflector directing light back onto the reflector for parking illumination |
DE10200359A1 (en) * | 2002-01-08 | 2003-07-17 | Automotive Lighting Reutlingen | Lighting unit for road vehicles has primary and secondary light sources |
DE10207694A1 (en) | 2002-02-22 | 2003-11-13 | Hella Kg Hueck & Co | Lighting unit for motor vehicles has a casing with light-decoupling units fitted one behind the other in a light-exit direction |
DE102004011961A1 (en) * | 2003-03-11 | 2004-10-07 | Koito Manufacturing Co., Ltd. | vehicle light |
DE10314351A1 (en) * | 2003-03-31 | 2004-10-14 | Hella Kg Hueck & Co. | Light for vehicle, especially motor vehicle, has coloring element arranged so color effect of light conducting element and/or light is changed and/or increased with light operating or not operating |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
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DE102010013821A1 (en) | 2010-04-03 | 2011-10-06 | Volkswagen Ag | Light device for vehicle, has illuminant with two light outlets, where light device is formed such that light emitted by former light outlet radiates on two reflectors |
DE102010013821B4 (en) * | 2010-04-03 | 2016-09-15 | Volkswagen Ag | Lighting device and method for generating a first and a second light function for a vehicle |
EP2442013A3 (en) * | 2010-10-15 | 2014-05-07 | Automotive Lighting Reutlingen GmbH | Lighting device for a motor vehicle with a semiconductor light source and a reflector |
DE102012017262A1 (en) * | 2012-08-31 | 2014-03-06 | Volkswagen Aktiengesellschaft | Lighting device e.g. rear light, for functioning as e.g. stop light in motor car, has rear stepped region formed within reflecting surface in reflector, where light emission from light source is not radiated through stepped region |
DE102013107912A1 (en) | 2013-07-24 | 2015-01-29 | Hella Kgaa Hueck & Co. | Lighting device for vehicles |
DE102013107912B4 (en) | 2013-07-24 | 2023-07-27 | HELLA GmbH & Co. KGaA | Lighting device for vehicles |
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