WO2008148500A1 - Lighting for a vehicle - Google Patents

Lighting for a vehicle Download PDF

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Publication number
WO2008148500A1
WO2008148500A1 PCT/EP2008/004279 EP2008004279W WO2008148500A1 WO 2008148500 A1 WO2008148500 A1 WO 2008148500A1 EP 2008004279 W EP2008004279 W EP 2008004279W WO 2008148500 A1 WO2008148500 A1 WO 2008148500A1
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WO
WIPO (PCT)
Prior art keywords
lighting
light
cover
functional area
area
Prior art date
Application number
PCT/EP2008/004279
Other languages
German (de)
French (fr)
Inventor
Wolfgang Müller
Original Assignee
Johnson Controls Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Johnson Controls Gmbh filed Critical Johnson Controls Gmbh
Publication of WO2008148500A1 publication Critical patent/WO2008148500A1/en

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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
    • 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

Definitions

  • the invention relates to a lighting, which is arranged in the interior of a motor vehicle, with a lighting means and a transparent cover.
  • Illuminations are known from the prior art, for example DE 101 51 599 A1, DE 102 59 236 and DE 102 31 324.
  • Such lights have two separate light sources, such.
  • Each of these light sources can be switched on or off via electrical switches.
  • these lights are relatively expensive to manufacture and maintain.
  • the object is achieved with a lighting, which is arranged in the interior of a motor vehicle, with a lighting means and a transparent cover, wherein the cover has at least two different optical functional areas.
  • the illumination according to the invention has the advantage that only one illuminant is required for a plurality of illumination functions.
  • the illumination according to the invention can be used as a reading light and as interior lighting.
  • the lighting according to the invention is simple and inexpensive to produce.
  • the light beams of the light source can be optionally assigned to one or more optical functional areas.
  • the lighting comprises a lighting means, which can be any light source known to a person skilled in the art, for example a light bulb, an LED, an OLED 1, an optical waveguide or the like.
  • the color of the light is selectable and may be different for the different optical functional areas.
  • a reflector can be arranged be to at least partially focus the light emitted by the light source in a main radiation direction.
  • the light source can be operated with different light intensities and switched on and off.
  • the luminous intensity may be different for the individual optical functional areas.
  • This light source is preferably covered by a cover which is transparent to the radiated light, at least in its main emission direction.
  • the main direction of emission is the direction in which the light should emit light. In the present invention, this is the vehicle interior.
  • the cover is a glass or more preferably a plastic component.
  • This cover has two different optical functional areas according to the invention. These optical functional areas differ in the angle of the radiation of the light and / or in the bundling and scattering of the radiation.
  • a comparatively concentrated reading light can be generated with the one functional area, with the other functional area, for example, a comparatively diffused room light for illuminating, for example, the interior of the motor vehicle.
  • the different functionalities in the sense are also two reading lights, which are aligned in different directions.
  • a functional area can also be a simple pane that is simply irradiated.
  • the functional area can also be a diffuser for the light.
  • the different optical function are achieved by a design of the surface and / or the cross section of the respective area.
  • the area can be designed as a converging lens, which bundles the emitted light into a reading light and / or steers in the direction of the driver or the passenger of the motor vehicle.
  • the surface of the area can also be designed, for example roughened and / or structured, so that the light emitted by the illuminant is scattered.
  • the cover is slidably mounted.
  • the displacement can take place in the form of a linear movement or a rotation.
  • the displacement is a combination of these two movements.
  • the displacement takes place in one plane.
  • 'Preference is given to the shift to shift the respective desired optical function area in a main radiation direction of the luminous means, in particular between the light source and the object to be illuminated to move.
  • the other optical functional areas are then preferably not irradiated by the luminous means.
  • the cover also acts as a switch to turn on and off the illuminant and / or to change its luminous intensity.
  • the lighting according to the invention preferably has a separate sliding position in which the lighting means is switched off.
  • the illumination according to the invention is arranged in the interior of a motor vehicle, this interior comprising the passenger compartment and the cargo space.
  • this interior comprising the passenger compartment and the cargo space.
  • it is located in the area of the headliner.
  • it has three functional areas, wherein the first functional area generates the reading light of the driver, the second functional area generates a diffused light for illuminating the vehicle interior B and the third functional area generates the reading light of the passenger.
  • Figure 1 shows the lighting according to the invention as a sectional view
  • FIG. 2 shows the illumination according to FIG. 1 in a side view
  • a single light source 2 is embedded, which is covered to the vehicle interior 3 through a transparent slide 4.
  • the light source radiates in the main radiation direction 6, in the present case in the direction of the passenger compartment.
  • the slider 4 has three different optical functional areas A, B and C, of which by linear adjustment of the slider 4, represented by the arrow X, respectively a functional area immediately below the light source 2 are arranged and thus effective ' can.
  • the lens-like area A or C By activation of the lens-like area A or C, the light beam is directed to generate a directional reading light either in the direction of the driver or the passenger and possibly bundled.
  • a diffused light is generated, which is used for general illumination of the vehicle interior 3.
  • the region B therefore has a roughened and / or textured surface.
  • the slider 4 can also be equipped with a switching function, wherein the light source 2 is turned off by a special sliding position.
  • the arrangement of different optical functional areas can of course also be made on a rotary valve, which is not adjusted linearly, but is rotated to produce different illumination.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Arrangements Of Lighting Devices For Vehicle Interiors, Mounting And Supporting Thereof, Circuits Therefore (AREA)

Abstract

The present invention relates to lighting (5) disposed in the interior (3) of a motor vehicle, having a luminous element (2) and a transparent cover (4), the cover (4) comprising at least two different optical functional regions (A, B, C).

Description

Beleuchtung für ein Fahrzeug Lighting for a vehicle
Die Erfindung betrifft eine Beleuchtung, die im Innenraum eines Kraftfahrzeuges angeordnet ist, mit einem Leuchtmittel und einer transparenten Abdeckung.The invention relates to a lighting, which is arranged in the interior of a motor vehicle, with a lighting means and a transparent cover.
Beleuchtungen sind aus dem Stand der Technik, beispielsweise der DE 101 51 599 A1 , der DE 102 59 236 sowie der DE 102 31 324 bekannt. Üblicherweise haben derartige Beleuchtungen zwei gesonderte Lichtquellen, wie z. B. Glühbirnen mit Reflektor, LEDs, welche jeweils ein dem Fahrer bzw. dem Beifahrer zugeordnetes Leselicht speisen. Über elektrische Schalter kann jede dieser Lichtquellen ein- oder ausgeschaltet werden. Diese Beleuchtungen sind jedoch vergleichsweise aufwendig herzustellen und zu warten.Illuminations are known from the prior art, for example DE 101 51 599 A1, DE 102 59 236 and DE 102 31 324. Usually, such lights have two separate light sources, such. B. bulbs with reflector, LEDs, each of which feed a driver or the passenger assigned reading light. Each of these light sources can be switched on or off via electrical switches. However, these lights are relatively expensive to manufacture and maintain.
Es war deshalb die Aufgabe der vorliegenden Erfindung eine Beleuchtung zur Verfügung zu stellen, deren Aufbau einfacher ist.It was therefore the object of the present invention to provide a lighting whose structure is simpler.
Gelöst wird die Aufgabe mit einer Beleuchtung, die im Innenraum eines Kraftfahrzeuges angeordnet ist, mit einem Leuchtmittel und einer transparenten Abdeckung, wobei die Abdeckung zumindest zwei unterschiedliche optische Funktionsbereiche aufweist.The object is achieved with a lighting, which is arranged in the interior of a motor vehicle, with a lighting means and a transparent cover, wherein the cover has at least two different optical functional areas.
Die erfindungsgemäße Beleuchtung hat den Vorteil, däs#hur ein Leuchtmittel für mehrere Beleuchtungsfunktionen benötigt wird. Beispielsweise kann die erfindungsgemäße Beleuchtung als Leselicht und als Innenraumbeleuchtung eingesetzt werden. Die erfindungsgemäße Beleuchtung ist einfach und kostengünstig herstellbar. Die Lichtstrahlen der Lichtquelle können einem oder mehreren optischen Funktionsbereichen wahlweise zugeordnet werden.The illumination according to the invention has the advantage that only one illuminant is required for a plurality of illumination functions. For example, the illumination according to the invention can be used as a reading light and as interior lighting. The lighting according to the invention is simple and inexpensive to produce. The light beams of the light source can be optionally assigned to one or more optical functional areas.
Erfindungsgemäß weist die Beleuchtung ein Leuchtmittel auf, bei dem es sich um jedes dem Fachmann bekannte Leuchtmittel, also beispielsweise eine Glühbirne, eine LED, eine OLED1 ein Lichtleiter oder dergleichen, handeit kann. Die Farbe des Lichtes ist wählbar und kann für die unterschiedlichen optischen Funktionsbereiche unterschiedlich sein. Im Bereich des Leuchtmittels kann ein Reflektor angeordnet sein, um das von dem Leuchtmittel abgestrahlte Licht in eine Hauptstrahlungsrichtung zumindest teilweise zu bündeln. Das Leuchtmittel mit unterschiedlichen Leuchtintensitäten betrieben werden sowie an- und abgeschaltet werden. Die Leuchtintensität kann für die einzelnen optischen Funktionsbereiche jeweils unterschiedlich sein.According to the invention, the lighting comprises a lighting means, which can be any light source known to a person skilled in the art, for example a light bulb, an LED, an OLED 1, an optical waveguide or the like. The color of the light is selectable and may be different for the different optical functional areas. In the area of the luminous means, a reflector can be arranged be to at least partially focus the light emitted by the light source in a main radiation direction. The light source can be operated with different light intensities and switched on and off. The luminous intensity may be different for the individual optical functional areas.
Dieses Leuchtmittel wird vorzugsweise zumindest in seiner Hauptabstrahlungsrichtung von einer für das abgestrahlte Licht transparenten Abdeckung abgedeckt. Die Hauptabstrahlungsrichtung ist die Richtung, in die die Beleuchtung Licht abstrahlen soll. Bei der vorliegenden Erfindung ist dies der Fahrzeuginnenraum. Vorzugsweise handelt es sich bei der Abdeckung um ein Glas oder besonders bevorzugt um ein Kunststoffbauteil. Diese Abdeckung weist erfindungsgemäß zwei unterschiedliche optische Funktionsbereiche auf. Diese optischen Funktionsbereiche unterscheiden sich im Winkel der Bastrahlung des Lichtes und/oder in der Bündelung sowie Streuung der Strahlung. Mit dem einen Funktionsbereich kann beispielsweise ein vergleichsweise gebündeltes Leselicht, mit dem anderen Funktionsbereich beispielsweise ein vergleichsweise diffuses Raumlicht zur Ausleuchtung beispielsweise des Innenraumes des Kraftfahrzeuges, erzeugt werden. Die unterschiedlichen Funktionalitäten im Sinne sind aber auch zwei Leselichter, die in unterschiedliche Richtungen ausgerichtet sind. Ein Funktionsbereich kann auch eine einfache Scheibe sein, die einfach durchstrahlt wird. Der Funktionsbereich kann auch ein Diffusor für das Licht sein. Die unterschiedliche optische Funktion werden durch eine Gestaltung der Oberfläche und/oder des Querschnitts des jeweiligen Bereichs erreicht. Beispielsweise kann der Bereich als Sammellinse gestaltet werden, die das abgestrahlte Licht zu einem Leselicht bündelt und/oder in Richtung des Fahrers oder des Beifahrers des Kraftfahrzeuges lenkt. Die Oberfläche des Bereichs kann aber auch so gestaltet, beispielsweise aufgeraut und/oder strukturiert sein, dass das von dem Leuchtmittel abgestrahlte Licht gestreut wird.This light source is preferably covered by a cover which is transparent to the radiated light, at least in its main emission direction. The main direction of emission is the direction in which the light should emit light. In the present invention, this is the vehicle interior. Preferably, the cover is a glass or more preferably a plastic component. This cover has two different optical functional areas according to the invention. These optical functional areas differ in the angle of the radiation of the light and / or in the bundling and scattering of the radiation. By way of example, a comparatively concentrated reading light can be generated with the one functional area, with the other functional area, for example, a comparatively diffused room light for illuminating, for example, the interior of the motor vehicle. The different functionalities in the sense are also two reading lights, which are aligned in different directions. A functional area can also be a simple pane that is simply irradiated. The functional area can also be a diffuser for the light. The different optical function are achieved by a design of the surface and / or the cross section of the respective area. For example, the area can be designed as a converging lens, which bundles the emitted light into a reading light and / or steers in the direction of the driver or the passenger of the motor vehicle. However, the surface of the area can also be designed, for example roughened and / or structured, so that the light emitted by the illuminant is scattered.
Vorzugsweise ist die Abdeckung verschieblich gelagert. Die Verschiebung kann dabei in Form einer Linearbewegung oder einer Rotation erfolgen. Es ist jedoch auch möglich, dass die Verschiebung eine Kombination dieser beiden Bewegungen ist. Vorzugsweise erfolgt die Verschiebung jedoch in einer Ebene. Besonders ' bevorzugt wird die Verschiebung dazu eingesetzt, den jeweils gewünschten optischen Funktionsbereich in eine Hauptstrahlungsrichtung des Leuchtmittels zu verschieben, insbesondere zwischen das Leuchtmittel und das zu beleuchtende Objekt zu verschieben. Die anderen optischen Funktionsbereiche werden dann vorzugsweise nicht von dem Leuchtmittel durchstrahlt.Preferably, the cover is slidably mounted. The displacement can take place in the form of a linear movement or a rotation. However, it is also possible that the displacement is a combination of these two movements. Preferably, however, the displacement takes place in one plane. Especially 'Preference is given to the shift to shift the respective desired optical function area in a main radiation direction of the luminous means, in particular between the light source and the object to be illuminated to move. The other optical functional areas are then preferably not irradiated by the luminous means.
Vorzugsweise fungiert die Abdeckung auch als Schalter, um das Leuchtmittel an- und abzuschalten und/oder in seiner Leuchtintensität zu verändern. Dafür weist die erfindungsgemäße Beleuchtung vorzugsweise eine gesonderte Schiebeposition auf, in der das Leuchtmittel abgeschaltet ist.Preferably, the cover also acts as a switch to turn on and off the illuminant and / or to change its luminous intensity. For this purpose, the lighting according to the invention preferably has a separate sliding position in which the lighting means is switched off.
Die erfindungsgemäße Beleuchtung ist im Innenraum eines Kraftfahrzeuges angeordnet, wobei dieser Innenraum die Fahrgastzelle und den Laderaum umfasst. Vorzugsweise befindet sie sich im Bereich des Dachhimmels. Besonders bevorzugt weist es drei Funktionsbereiche auf, wobei der erste Funktionsbereich das Leselicht des Fahrers, der zweite Funktionsbereich ein diffuses Licht zur Ausleuchtung des Fahrzeuginnenraums B und der dritte Funktionsbereich das Leselicht des Beifahrers erzeugt.The illumination according to the invention is arranged in the interior of a motor vehicle, this interior comprising the passenger compartment and the cargo space. Preferably, it is located in the area of the headliner. Particularly preferably, it has three functional areas, wherein the first functional area generates the reading light of the driver, the second functional area generates a diffused light for illuminating the vehicle interior B and the third functional area generates the reading light of the passenger.
Im folgenden wird die Erfindung anhand der Figuren 1 und 2 erläutert. Diese Erläuterungen sind lediglich beispielhaft und schränken den allgemeinen Erfindungsgedanken nicht ein.In the following the invention will be explained with reference to Figures 1 and 2. These explanations are merely exemplary and do not limit the general inventive concept.
Figur 1 zeigt die erfindungsgemäße Beleuchtung als SchnittdarstellungFigure 1 shows the lighting according to the invention as a sectional view
Figur 2 zeigt die Beleuchtung gemäß Figur 1 in einer SeitenansichtFIG. 2 shows the illumination according to FIG. 1 in a side view
In die Dachhimmelkonsole 1 ist eine einzige Lichtquelle 2 eingelassen, welche zum Fahrzeuginnenraum 3 hin durch einen transparenten Schieber 4 abgedeckt ist. Die Lichtquelle strahlt in der Hauptstrahlungsrichtung 6, in dem vorliegenden Fall in Richtung des Fahrgastinnenraums. Der Schieber 4 weist drei unterschiedliche optische Funktionsbereiche A, B und C auf, von denen durch lineares Verstellen des Schiebers 4, dargestellt durch den Pfeil X, jeweils ein Funktionsbereich unmittelbar unterhalb der Lichtquelle 2 angeordnet und damit wirksam werden ' kann. Durch Aktivierung des linsenartig ausgebildeten Bereichs A oder C wird der Lichtstrahl zur Erzeugung eines gerichteten Leselichts entweder in Richtung des Fahrers oder des Beifahrers gelenkt und gegebenenfalls dabei gebündelt. Bei Überdeckung des Bereichs B mit der Lichtquelle 2 wird ein diffuses Licht erzeugt, welches zur allgemeinen Ausleuchtung des Fahrzeuginnenraums 3 dient. Der Bereich B weist deshalb eine aufgeraute und/oder strukturierte Oberfläche auf. Der Schieber 4 kann ferner mit einer Schaltfunktion ausgestattet werden, wobei durch eine besondere Schiebeposition die Lichtquelle 2 ausgeschaltet wird.In the headliner 1, a single light source 2 is embedded, which is covered to the vehicle interior 3 through a transparent slide 4. The light source radiates in the main radiation direction 6, in the present case in the direction of the passenger compartment. The slider 4 has three different optical functional areas A, B and C, of which by linear adjustment of the slider 4, represented by the arrow X, respectively a functional area immediately below the light source 2 are arranged and thus effective ' can. By activation of the lens-like area A or C, the light beam is directed to generate a directional reading light either in the direction of the driver or the passenger and possibly bundled. When covering the area B with the light source 2, a diffused light is generated, which is used for general illumination of the vehicle interior 3. The region B therefore has a roughened and / or textured surface. The slider 4 can also be equipped with a switching function, wherein the light source 2 is turned off by a special sliding position.
Die Anordnung verschiedener optischer Funktionsbereiche kann natürlich auch auf einem Drehschieber vorgenommen werden, der nicht linear verstellt, sondern zur Erzeugung unterschiedlicher Ausleuchtung verdreht wird. The arrangement of different optical functional areas can of course also be made on a rotary valve, which is not adjusted linearly, but is rotated to produce different illumination.
OO
' Bezugszeichenliste ' Reference list
1 Dachhimmelkonsole1 headliner console
2 Schieber2 slides
3 Fahrzeuginnenraum3 vehicle interior
4 Schieber4 slides
5 Beleuchtung5 lighting
6 Hauptstrahlungsrichtung6 main radiation direction
A optische Funktionsbereiche, erster FunktionsbereichA optical functional areas, first functional area
B optische Funktionsbereiche, zweiter FunktionsbereichB optical functional areas, second functional area
C optische Funktionsbereiche, dritter FunktionsbereichC optical functional areas, third functional area
X Pfeil (Schieberichtung) X arrow (sliding direction)

Claims

Patentansprüche: claims:
1. Beleuchtung (5), die im Innenraum (3) eines Kraftfahrzeuges angeordnet ist, mit einem Leuchtmittel (2) und einer transparenten Abdeckung (4), dadurch gekennzeichnet, dass die Abdeckung (4) zumindest zwei unterschiedliche optische Funktionsbereiche (A1 B, C) aufweist.1. lighting (5), which is arranged in the interior (3) of a motor vehicle, with a light source (2) and a transparent cover (4), characterized in that the cover (4) at least two different optical functional areas (A 1 B , C).
2. Beleuchtung nach Anspruch 1, dadurch gekennzeichnet, dass die Abdeckung (4) verschieblich gelagert ist.2. Lighting according to claim 1, characterized in that the cover (4) is displaceably mounted.
3. Beleuchtung nach Anspruch 2, dadurch gekennzeichnet, dass jeweils der gewünschte optische Funktionsbereich in eine Hauptstrahlungsrichtung (6) des Leuchtmittels (2) schiebbar ist.3. Lighting according to claim 2, characterized in that in each case the desired optical functional area in a main radiation direction (6) of the lighting means (2) is slidable.
4. Beleuchtung nach einem der Ansprüche 2 oder 3, dadurch gekennzeichnet, dass die Verschiebung eine Linearbewegung, eine Rotation oder eine Kombination aus diesen Bewegungen ist.4. Lighting according to one of claims 2 or 3, characterized in that the displacement is a linear movement, a rotation or a combination of these movements.
5. Beleuchtung nach einem der voranstehenden Ansprüche, dadurch gekennzeichnet, dass die Abdeckung auch Schalter ist.5. Lighting according to one of the preceding claims, characterized in that the cover is also a switch.
6. Beleuchtungsmittel nach einem der voranstehenden Ansprüche, dadurch gekennzeichnet, dass es im Bereich des Dachhimmels (1) angeordnet ist.6. Lighting means according to one of the preceding claims, characterized in that it is arranged in the region of the headliner (1).
7. Beleuchtungsmittel nach Anspruch 6, dadurch gekennzeichnet, dass der Funktionsbereich A das Leselicht des Fahrers, der Funktionsbereich B das Leselicht des Beifahrers und/oder der Funktionsbereich C ein diffuses Licht zur Ausleuchtung des Fahrzeuginnenraums ist. 7. Lighting means according to claim 6, characterized in that the functional area A is the reading light of the driver, the functional area B is the reading light of the passenger and / or the functional area C is a diffused light for illuminating the vehicle interior.
PCT/EP2008/004279 2007-06-04 2008-05-29 Lighting for a vehicle WO2008148500A1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102007026167.7 2007-06-04
DE102007026167 2007-06-04
DE102007040648.9 2007-08-27
DE102007040648A DE102007040648A1 (en) 2007-06-04 2007-08-27 Lighting for a vehicle

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Publication Number Publication Date
WO2008148500A1 true WO2008148500A1 (en) 2008-12-11

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ID=39942246

Family Applications (1)

Application Number Title Priority Date Filing Date
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WO (1) WO2008148500A1 (en)

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DE10260398A1 (en) * 2002-12-21 2004-08-05 Audi Ag Motor vehicle has lens that is movable relative to light sources via which radiated light beams can be influenced; distance of lens from light source or sources can be varied
DE102004041459A1 (en) * 2004-08-27 2006-03-02 Adam Opel Ag Internal light for a vehicle cabin comprises a fixed light source and a covering glass which moves in front of the light source

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FR2608534A1 (en) * 1986-12-22 1988-06-24 Axo Equip Automobile Vehicle roof light
US5508897A (en) * 1994-04-01 1996-04-16 Prince Corporation Overhead lamp assembly
FR2802869A1 (en) * 1999-12-22 2001-06-29 Peugeot Automobile interior roof light has light source with rotatable plate and periphery lenses that modify light emitted from source
DE10260398A1 (en) * 2002-12-21 2004-08-05 Audi Ag Motor vehicle has lens that is movable relative to light sources via which radiated light beams can be influenced; distance of lens from light source or sources can be varied
DE102004041459A1 (en) * 2004-08-27 2006-03-02 Adam Opel Ag Internal light for a vehicle cabin comprises a fixed light source and a covering glass which moves in front of the light source

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