DE102012109898A1 - Glazing component for illumination system, has flat plate for illuminating inner space, where light is coupled to front side of plate with two planar regions connected to each other, which are provided with light-conducting materials - Google Patents
Glazing component for illumination system, has flat plate for illuminating inner space, where light is coupled to front side of plate with two planar regions connected to each other, which are provided with light-conducting materials Download PDFInfo
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- DE102012109898A1 DE102012109898A1 DE201210109898 DE102012109898A DE102012109898A1 DE 102012109898 A1 DE102012109898 A1 DE 102012109898A1 DE 201210109898 DE201210109898 DE 201210109898 DE 102012109898 A DE102012109898 A DE 102012109898A DE 102012109898 A1 DE102012109898 A1 DE 102012109898A1
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- glazing component
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- scattering particles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
- B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
- B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
- B32B17/10009—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets
- B32B17/10018—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets comprising only one glass sheet
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- 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
- B60Q3/00—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
- B60Q3/20—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors for lighting specific fittings of passenger or driving compartments; mounted on specific fittings of passenger or driving compartments
- B60Q3/208—Sun roofs; Windows
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- 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
- B60Q3/00—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
- B60Q3/60—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by optical aspects
- B60Q3/62—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by optical aspects using light guides
- B60Q3/64—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by optical aspects using light guides for a single lighting device
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- 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
- B60Q3/00—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
- B60Q3/70—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by the purpose
- B60Q3/74—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by the purpose for overall compartment lighting; for overall compartment lighting in combination with specific lighting, e.g. room lamps with reading lamps
- B60Q3/745—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by the purpose for overall compartment lighting; for overall compartment lighting in combination with specific lighting, e.g. room lamps with reading lamps using lighting panels or mats, e.g. electro-luminescent panels, LED mats
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/0063—Means for improving the coupling-out of light from the light guide for extracting light out both the major surfaces of the light guide
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2333/00—Polymers of unsaturated acids or derivatives thereof
- B32B2333/04—Polymers of esters
- B32B2333/12—Polymers of methacrylic acid esters, e.g. PMMA, i.e. polymethylmethacrylate
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/004—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles
- G02B6/0041—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles provided in the bulk of the light guide
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Elements Other Than Lenses (AREA)
Abstract
Description
Die Erfindung betrifft eine Verglasungskomponente zur Beleuchtung eines Innenraums, insbesondere eines Fahrzeugs, ein Beleuchtungssystem mit einer solchen Verglasungskomponente und ein Verfahren zur Herstellung einer solchen Verglasungskomponente.The invention relates to a glazing component for illuminating an interior, in particular of a vehicle, an illumination system with such a glazing component and a method for producing such a glazing component.
Aus dem Dokument
Eine zu lösende Aufgabe besteht darin, ein verbessertes Konzept für Verglasungen anzugeben, über die gleichzeitig eine Beleuchtung erfolgen kann, welches sich insbesondere durch verringerten Aufwand in Herstellung und Verarbeitung auszeichnet. An object to be solved is to provide an improved concept for glazing over which illumination can take place at the same time, which is characterized in particular by reduced expenditure in production and processing.
Diese Aufgabe wird mit dem Gegenstand der unabhängigen Patentansprüche gelöst. Weiterbildungen und Ausgestaltungsformen sind Gegenstand der abhängigen Ansprüche. This object is achieved with the subject matter of the independent claims. Further developments and embodiments are the subject of the dependent claims.
Das verbesserte Konzept basiert auf der Idee, eine scheibenförmige beziehungsweise flache Platte mit Bereichen unterschiedlicher Materialien zu gestalten, wobei die Platte vollständig lichtleitfähig ist und wenigstens einer der Bereiche lichtstreuende Partikel im Material umfasst, die eine Lichtauskopplung in diesem Bereich ermöglichen. Dadurch können beispielsweise in einer an sich transparenten Platte definierte Beleuchtungsbereiche vorgesehen werden. The improved concept is based on the idea of designing a disc-shaped or flat plate with regions of different materials, wherein the plate is completely photoconductive and at least one of the regions comprises light-scattering particles in the material which allow light extraction in this region. As a result, defined lighting areas can be provided, for example, in a transparent plate.
In einer Ausführungsform des verbesserten Konzepts wird eine Verglasungskomponente mit einer flächigen Platte zur Beleuchtung eines Innenraums vorgeschlagen, bei der die Platte zur Einkopplung von Licht an einer Stirnseite der Platte eingerichtet ist. Die Platte weist einen ersten flächigen Bereich und einen zweiten flächigen Bereich auf, die stoffschlüssig miteinander verbunden sind. Dabei besteht der erste Bereich aus einem ersten lichtleitenden Material und der zweite Bereich aus einem zweiten lichtleitenden Material, in dem lichtstreuende Partikel enthalten sind. Ebenso ist es möglich, eine Aufteilung in mehrere Bereiche vorzunehmen, sodass die Platte beispielsweise eine Gruppe erster flächiger Bereiche und eine Gruppe zweiter flächiger Bereiche aufweist, wobei die beiden Gruppen stoffschlüssig miteinander verbunden sind. Jede Gruppe umfasst wenigstens einen Bereich. Insbesondere wird jeweils durch die Gesamtheit aller Bereiche eine zusammenhängende Fläche der flächigen Platte gebildet. Hierbei bestehen die ersten Bereiche aus dem ersten Material und die zweiten Bereiche aus dem zweiten Material, in dem die lichtstreuenden Partikel enthalten sind. In one embodiment of the improved concept, a glazing component with a flat plate for illuminating an interior space is proposed, in which the plate is set up for coupling in light on an end face of the plate. The plate has a first area region and a second area area, which are connected to one another in a material-locking manner. In this case, the first region consists of a first photoconductive material and the second region of a second photoconductive material in which light-scattering particles are contained. Likewise, it is possible to divide into several areas, so that the plate has, for example, a group of first area areas and a group of second area areas, wherein the two groups are connected to one another in a material-locking manner. Each group comprises at least one area. In particular, a coherent surface of the flat plate is formed in each case by the totality of all areas. In this case, the first regions consist of the first material and the second regions of the second material in which the light-scattering particles are contained.
Bei den verschiedenen Ausführungsformen der Verglasungskomponente nach dem verbesserten Konzept kann an einer oder mehreren Stirnseiten der Platte Licht eingekoppelt werden, welches sich durch das lichtleitende Material im Wesentlichen über die gesamte Platte verbreitet. Aufgrund von Reflektionen an den Hauptflächen der Platte findet regulär kein oder nur ein geringer Lichtaustritt über die Hauptflächen statt, was auf die unterschiedlichen Brechungsindizes zwischen Platte und Umgebung zurückzuführen ist. In dem zweiten Bereich oder in der Gruppe zweiter flächiger Bereiche wird jedoch das in der Platte geleitete Licht an den lichtstreuenden Partikeln gestreut, also in seinem Winkel so verändert, dass ein Austritt über die Oberfläche der Platte möglich wird. Für einen Betrachter erfolgt somit ein Lichtaustritt aus der lichtleitenden Platte lediglich in dem zweiten Bereich beziehungsweise in den zweiten Bereichen. Somit lassen sich in einfacher Weise flexible Lichtszenarien erzeugen. Anders ausgedrückt können beleuchtete und unbeleuchtete Bereiche gestalterisch frei dargestellt werden. In the various embodiments of the glazing component of the improved concept, light may be coupled in at one or more end faces of the panel which propagates through the photoconductive material substantially over the entire panel. Due to reflections on the major surfaces of the plate, there is usually no or little light leakage across the major surfaces, due to the different refractive indices between the plate and the environment. In the second region or in the group of second planar regions, however, the light conducted in the plate is scattered by the light-scattering particles, that is, its angle is changed so that an exit via the surface of the plate becomes possible. For a viewer, therefore, a light exit from the photoconductive plate takes place only in the second region or in the second regions. Thus, flexible light scenarios can be generated in a simple manner. In other words, illuminated and unlit areas can be displayed freely in terms of design.
Vorzugsweise sind das erste lichtleitende Material und das zweite lichtleitende Material transparent oder im Wesentlichen transparent, sodass der erste und der zweite Bereich beziehungsweise die entsprechenden Gruppen von Bereichen transparent sind.Preferably, the first photoconductive material and the second photoconductive material are transparent or substantially transparent such that the first and second regions or groups of regions are transparent.
Weiterhin ist es vorteilhaft, wenn erstes und zweites Material beziehungsweise der erste und der zweite Bereich den gleichen Brechungsindex aufweisen. Damit sind bei ausgeschalteter Lichtquelle, also keiner seitlichen Einkopplung von Licht in die Platte, die Bereiche für einen Betrachter optisch nicht zu unterscheiden. Dadurch entsteht bei fehlender Einkopplung von Licht ein verbesserter Gesamteindruck der Platte. Furthermore, it is advantageous if first and second material or the first and the second region have the same refractive index. Thus, with the light source switched off, ie no lateral coupling of light into the plate, the areas for a viewer are optically indistinguishable. This results in the absence of coupling of light an improved overall impression of the plate.
Die lichtstreuenden Partikel im zweiten Material sind vorzugsweise mit bloßem Auge nicht erkennbar. Dadurch wird die Transparenz des zweiten Materials beziehungsweise des zweiten Bereichs erhalten beziehungsweise verbessert. The light-scattering particles in the second material are preferably not visible to the naked eye. As a result, the transparency of the second material or the second region is maintained or improved.
In verschiedenen Ausführungsformen der Verglasungskomponente ist das erste Material ein Polymethylmethacrylat, kurz PMMA, welches keine lichtstreuenden Partikel umfasst. Das zweite Material ist beispielsweise ebenfalls PMMA, in dem aber lichtstreuende Partikel enthalten sind. Alternativ können auch andere Materialien, insbesondere transparente Kunststoffe verwendet werden, jeweils mit oder ohne lichtstreuende Partikel.In various embodiments of the glazing component, the first material is a polymethylmethacrylate, PMMA for short, which does not comprise light-diffusing particles. The second material is also PMMA, for example, but in which light-scattering particles are contained. Alternatively, other materials, in particular transparent plastics can be used, each with or without light-scattering particles.
Bei der Herstellung von Platten mit solchen Kunststoffen wie PMMA wird das Grundmaterial üblicherweise als Granulat bereitgestellt, welches in einem Spritzgußverfahren verarbeitet wird. Vorzugsweise wird die Platte in einem Zweikomponenten-Spritzgußverfahren herstellt. Dabei sind die zwei Komponenten durch das erste und das zweite Material gebildet. Bei der Verarbeitung wird beispielsweise eine der zwei Komponenten für den ersten Bereich beziehungsweise die Gruppe erster Bereiche und die andere der zwei Komponenten für den zweiten Bereich beziehungsweise die Gruppe zweiter Bereiche verwendet. In the manufacture of sheets with such plastics as PMMA, the base material is usually provided as granules, which are processed in an injection molding process. Preferably, the plate is produced in a two-component injection molding process. In this case, the two components are formed by the first and the second material. In the processing, for example, one of the two components is used for the first region or the group of first regions and the other of the two components for the second region or the group of second regions.
In einer besonderen Ausgestaltungsform der Verglasungskomponente ist eine der Hauptflächen der Platte mit einer getönten Schicht versehen, die stoffschlüssig mit der Platte verbunden ist. Beispielsweise wird die Platte an eine getönte Scheibe aus Einscheiben-Sicherheitsglas, ESG, befestigt, etwa durch Laminierung. In a particular embodiment of the glazing component, one of the main surfaces of the plate is provided with a tinted layer, which is firmly bonded to the plate. For example, the plate is attached to a tinted disc of toughened safety glass, ESG, such as by lamination.
Die verschiedenen Ausführungsformen der Verglasungskomponente können mit einer planen Platte ausgeführt werden oder alternativ mit einer nicht-planaren Platte, die etwa eine Krümmung aufweist. The various embodiments of the glazing component may be implemented with a planar plate or alternatively with a non-planar plate having approximately a curvature.
Die verschiedenen Ausführungsformen der Verglasungskomponente können beispielsweise in einer Dachverglasung eines Fahrzeugs oder auch für Heckscheiben oder Seitenscheiben eines Fahrzeugs verwendet werden. Der oder die zweiten Bereiche mit den lichtaustreuenden Partikeln können beispielsweise neben einer reinen Beleuchtungsfunktion auch zur Signalisierung verwendet werden, die durch die Ausgestaltung der Bereiche definiert ist. The various embodiments of the glazing component can be used, for example, in a roof glazing of a vehicle or also for rear windows or side windows of a vehicle. The one or more second regions with the light-scattering particles can also be used, for example, in addition to a pure illumination function for signaling, which is defined by the configuration of the regions.
Eine Ausführungsform eines Beleuchtungssystems umfasst eine Verglasungskomponente gemäß einer der zuvor beschriebenen Ausführungsformen und ferner Beleuchtungsmittel, die derart angeordnet sind, dass Licht an wenigstens einer Stirnseite der Platte eingekoppelt wird. Die Beleuchtungsmittel sind beispielsweise durch eine Lichtquelle gebildet. Eine solche Lichtquelle kann beispielsweise eine oder mehrere Leuchtdioden umfassen. An embodiment of an illumination system comprises a glazing component according to one of the previously described embodiments, and further illumination means, which are arranged such that light is coupled to at least one end face of the plate. The illumination means are formed for example by a light source. Such a light source may comprise, for example, one or more light-emitting diodes.
Die Beleuchtungsmittel können unmittelbar an der Stirnseite der Platte angeordnet sein oder aber entfernt von der Stirnseite, wobei im letzteren Fall Lichtleitelemente in dem Beleuchtungssystem vorgesehen sind, welche das Licht von dem Beleuchtungsmittel zu der wenigstens einen Stirnseite der Platte übertragen. The illumination means may be disposed directly on the face of the plate or away from the face, in the latter case light guiding elements being provided in the illumination system which transmit the light from the illumination means to the at least one face of the plate.
In einer Ausführungsform eines Verfahrens zur Herstellung einer Verglasungskomponente wird eine flächige, insbesondere transparente Platte in einem Zweikomponenten-Spritzgussverfahren ausgebildet. Dies geschieht derart, dass die Platte einen ersten flächigen Bereich und einen zweiten flächigen Bereich beziehungsweise eine Gruppe erster flächiger Bereiche und eine Gruppe zweiter flächiger Bereiche aufweist, die zusammen stoffschlüssig miteinander verbunden sind. Dabei besteht eine der zwei Komponenten aus einem ersten lichtleitenden Material und bildet den ersten Bereich aus, während die andere der zwei Komponenten aus einem zweiten lichtleitenden Material besteht, in dem lichtstreuende Partikel enthalten sind, und den zweiten Bereich ausbildet.In one embodiment of a method for producing a glazing component, a flat, in particular transparent plate is formed in a two-component injection molding process. This is done in such a way that the plate has a first areal area and a second areal area or a group of first areal areas and a group of second areal areas which are connected to one another cohesively. In this case, one of the two components consists of a first photoconductive material and forms the first region, while the other of the two components consists of a second photoconductive material, in which light-scattering particles are contained, and forms the second region.
Weitere besondere Ausgestaltungen des Herstellungsverfahrens der Verglasungskomponente ergeben sich unmittelbar aus den zuvor beschriebenen Ausführungsformen für die Verglasungskomponente selbst. Further special embodiments of the production method of the glazing component result directly from the previously described embodiments for the glazing component itself.
Die Erfindung wird nachfolgend an mehreren Ausführungsbeispielen anhand der Figuren näher erläutert. Funktion- beziehungsweise wirkungsgleiche Elemente tragen hierbei gleiche Bezugszeichen. Soweit einzelne Elemente für eine der Figuren beschrieben sind, wird deren Beschreibung in den nachfolgenden Figuren nicht zwingend wiederholt.The invention will be explained in more detail below with reference to several embodiments with reference to FIGS. Functionally or functionally identical elements carry the same reference numerals. As far as individual elements are described for one of the figures, their description is not necessarily repeated in the following figures.
Es zeigen:Show it:
In der schematischen Darstellung der
Durch das Vorsehen der Beleuchtungsmittel
Vorzugsweise weisen die ersten und zweiten Bereiche
Beispielsweise sind sowohl das erste Material des ersten Bereichs
In
Die Gestaltung der Bereiche
Die Herstellung der Platte
In
Obwohl die in den zuvor beschriebenen Ausführungsbeispielen genannten Platten planar dargestellt sind, ist es jedoch auch möglich, dass die Platte
ZITATE ENTHALTEN IN DER BESCHREIBUNG QUOTES 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 of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.
Zitierte PatentliteraturCited patent literature
- DE 10360729 B4 [0002] DE 10360729 B4 [0002]
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DE201210109898 DE102012109898A1 (en) | 2012-10-17 | 2012-10-17 | Glazing component for illumination system, has flat plate for illuminating inner space, where light is coupled to front side of plate with two planar regions connected to each other, which are provided with light-conducting materials |
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DE201210109898 DE102012109898A1 (en) | 2012-10-17 | 2012-10-17 | Glazing component for illumination system, has flat plate for illuminating inner space, where light is coupled to front side of plate with two planar regions connected to each other, which are provided with light-conducting materials |
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DE102012109898A1 true DE102012109898A1 (en) | 2014-04-17 |
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Cited By (7)
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DE102014110347A1 (en) | 2014-07-23 | 2016-01-28 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | light guide |
DE102015104572A1 (en) * | 2015-03-26 | 2016-09-29 | Lisa Dräxlmaier GmbH | Lighting device for aircraft interiors |
WO2017084836A1 (en) * | 2015-11-16 | 2017-05-26 | Bayerische Motoren Werke Aktiengesellschaft | Illumination device for a motor vehicle |
DE102016104113A1 (en) | 2016-03-07 | 2017-09-07 | Lisa Dräxlmaier GmbH | FLAT LIGHTING DEVICE FOR PARTITION WALLS IN AIRPLANE INTERIORS |
DE102017212657A1 (en) | 2017-05-24 | 2018-11-29 | Volkswagen Aktiengesellschaft | Window pane device for a window of a motor vehicle and method and motor vehicle |
DE102019109739A1 (en) * | 2019-04-12 | 2020-10-15 | Volkswagen Ag | Method and device for providing a first and second light function in a vehicle |
DE102019109742A1 (en) * | 2019-04-12 | 2020-10-15 | Volkswagen Aktiengesellschaft | Vehicle window device and method for operating a vehicle window device |
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DE10343778A1 (en) * | 2003-09-22 | 2004-05-27 | Daimlerchrysler Ag | Roof for illumination of the interior of motor vehicles comprises a light entry system, a light conduction system, and a light exit system which at least largely covers the vehicle inner roof element |
DE10313068A1 (en) * | 2003-03-24 | 2004-12-09 | Webasto Vehicle Systems International Gmbh | Car sun roof has flat internal cover panel which acts as light source and contains electroluminescent layer between two outer layers |
DE10360729B4 (en) | 2003-12-23 | 2007-03-01 | Daimlerchrysler Ag | Interior light for a transport |
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2012
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DE10313068A1 (en) * | 2003-03-24 | 2004-12-09 | Webasto Vehicle Systems International Gmbh | Car sun roof has flat internal cover panel which acts as light source and contains electroluminescent layer between two outer layers |
DE10343778A1 (en) * | 2003-09-22 | 2004-05-27 | Daimlerchrysler Ag | Roof for illumination of the interior of motor vehicles comprises a light entry system, a light conduction system, and a light exit system which at least largely covers the vehicle inner roof element |
DE10360729B4 (en) | 2003-12-23 | 2007-03-01 | Daimlerchrysler Ag | Interior light for a transport |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
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DE102014110347A1 (en) | 2014-07-23 | 2016-01-28 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | light guide |
DE102015104572A1 (en) * | 2015-03-26 | 2016-09-29 | Lisa Dräxlmaier GmbH | Lighting device for aircraft interiors |
WO2017084836A1 (en) * | 2015-11-16 | 2017-05-26 | Bayerische Motoren Werke Aktiengesellschaft | Illumination device for a motor vehicle |
US11447069B2 (en) | 2015-11-16 | 2022-09-20 | Bayerische Motoren Werke Aktiengesellschaft | Illumination device for a motor vehicle |
DE102016104113A1 (en) | 2016-03-07 | 2017-09-07 | Lisa Dräxlmaier GmbH | FLAT LIGHTING DEVICE FOR PARTITION WALLS IN AIRPLANE INTERIORS |
DE102017212657A1 (en) | 2017-05-24 | 2018-11-29 | Volkswagen Aktiengesellschaft | Window pane device for a window of a motor vehicle and method and motor vehicle |
DE102017212657B4 (en) | 2017-05-24 | 2021-09-30 | Volkswagen Aktiengesellschaft | Window device for a window of a motor vehicle as well as method and motor vehicle |
DE102019109739A1 (en) * | 2019-04-12 | 2020-10-15 | Volkswagen Ag | Method and device for providing a first and second light function in a vehicle |
DE102019109742A1 (en) * | 2019-04-12 | 2020-10-15 | Volkswagen Aktiengesellschaft | Vehicle window device and method for operating a vehicle window device |
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