WO2023194030A1 - Dispositif d'éclairage pour un véhicule et procédé d'actionnement d'un dispositif d'éclairage pour un véhicule - Google Patents

Dispositif d'éclairage pour un véhicule et procédé d'actionnement d'un dispositif d'éclairage pour un véhicule Download PDF

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Publication number
WO2023194030A1
WO2023194030A1 PCT/EP2023/055967 EP2023055967W WO2023194030A1 WO 2023194030 A1 WO2023194030 A1 WO 2023194030A1 EP 2023055967 W EP2023055967 W EP 2023055967W WO 2023194030 A1 WO2023194030 A1 WO 2023194030A1
Authority
WO
WIPO (PCT)
Prior art keywords
laser
lighting device
conversion elements
radiation
laser source
Prior art date
Application number
PCT/EP2023/055967
Other languages
German (de)
English (en)
Inventor
Matthias Baumann
Robert Pasquarelli
Ferdinand Walther
Original Assignee
Webasto SE
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 Webasto SE filed Critical Webasto SE
Publication of WO2023194030A1 publication Critical patent/WO2023194030A1/fr

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
    • 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
    • F21S43/16—Light sources where the light is generated by photoluminescent material spaced from a primary light generating element
    • 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
    • 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
    • B60Q3/68—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by optical aspects using ultraviolet light
    • 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
    • B60Q3/78—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by the purpose for generating luminous strips, e.g. for marking trim component edges
    • 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
    • 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
    • F21S43/251—Light guides the light guides being used to transmit light from remote light sources
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2103/00—Exterior vehicle lighting devices for signalling purposes
    • F21W2103/55—Daytime running lights [DRL]
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2106/00—Interior vehicle lighting devices

Definitions

  • a lighting device for a vehicle and a method for operating a lighting device for a vehicle are specified.
  • One problem to be solved is to provide an improved lighting device for a vehicle, in particular a lighting device with a reduced number of light sources and/or variable color.
  • Another task to be solved is to specify a method for operating such a lighting device.
  • the lighting device for a vehicle is specified.
  • the lighting device can be used, for example, in the dashboard and/or in the doors and/or in the roof of the vehicle.
  • the lighting device can be part of a vehicle roof, for example a sliding roof or glass roof or full glass roof or headliner roof or convertible roof.
  • At least one lighting device for a vehicle Laser source for emitting laser radiation and at least two conversion elements.
  • the conversion elements can be irradiated with the laser radiation from the at least one laser source.
  • the conversion elements are each set up to at least partially convert the laser radiation striking them into secondary radiation.
  • the secondary radiations of the conversion elements are different from each other.
  • the lighting device is set up to vary the irradiance of the conversion elements with the laser radiation from the at least one laser source in order to change the proportion of the various secondary radiations in the total radiation emitted by the lighting device.
  • LED lighting is typically used, which is a mixture of three colored LEDs (RGB) or four colors (RGBW).
  • RGB three colored LEDs
  • RGBW four colors
  • the disadvantage of LEDs is that the light intensity is relatively low in the same installation space. Therefore, many LEDs usually have to be installed, which increases costs and complexity. Further disadvantages of LEDs for vehicle integration are the usually complex cabling and energy supply as well as the usually large installation space.
  • the present invention is based, among other things, on the knowledge that lasers can also be used as possible light sources for ambient lighting or even general lighting but also for external vehicle lighting. Due to the extremely high luminance, a single laser source can replace many individual LEDs.
  • Color is achieved through the use of several conversion elements, the irradiation of which can be varied by the laser source.
  • the laser source includes, for example, a semiconductor laser diode.
  • the laser radiation emitted by the laser source is, for example, radiation in the UV range and/or in the blue and/or violet spectral range.
  • the conversion elements are arranged with respect to the laser source in such a way that they can be irradiated with the laser radiation from the laser source.
  • the conversion elements are arranged immediately after the laser source.
  • the laser radiation from the laser source can also first be coupled into a light guide and then guided to the conversion elements.
  • the conversion elements are each for at least partial, i.e. H . partial or complete conversion of the laser radiation striking it, in particular the laser radiation from the at least one laser source, into a secondary radiation.
  • a secondary radiation For example, at least 50% or at least 80% or at least 95% of the laser radiation from the at least one laser source striking a conversion element is converted into secondary radiation by the conversion element.
  • the secondary radiation comprises a wavelength range that is red-shifted compared to the laser radiation.
  • the conversion elements are set up in such a way that the secondary radiations resulting from the conversion of the laser radiation are different in pairs.
  • the secondary radiations each have a Intensity maximum at a main wavelength, the main wavelengths of different secondary radiations being in pairs at least 50 nm or at least 100 nm apart.
  • the lighting device can have two or more, for example three or four or even more, conversion elements.
  • a first conversion element converts the laser radiation into blue light
  • a second conversion element converts the laser radiation into green light
  • a third conversion element converts the laser radiation into red light.
  • a possible fourth conversion element can be set up, for example, to convert the laser radiation into white light.
  • the lighting device is set up so that the irradiance of the conversion elements can be varied with the laser radiation from the at least one laser source.
  • the irradiance with which the laser radiation irradiates the conversion elements can be changed or adjusted in the lighting device. be set.
  • the irradiance can be varied or adjusted individually for each conversion element.
  • the irradiance of one conversion element can be increased while the irradiance of another conversion element remains unchanged or is reduced.
  • the radiation ultimately emitted by the lighting device can be changed by the variable irradiation intensities.
  • the radiation emitted by the lighting device is visible light.
  • the color of the Lighting device total emitted light can be changed.
  • the lighting device can also be set up to switch the emitted radiation, such that interruptions and/or switches are provided at different points of the lighting device, for example at different points along a light guide of the lighting device, in order to block or release the emission of radiation .
  • interruptions and/or switches are provided at different points of the lighting device, for example at different points along a light guide of the lighting device, in order to block or release the emission of radiation .
  • the conversion elements and the at least one laser source are arranged to be movable relative to one another, so that a relative movement from at least predominant irradiation of one conversion element with the laser radiation from the at least one laser source to at least predominant irradiation of another conversion element with the laser radiation the at least one laser source can be changed.
  • “At least predominantly” means here that the corresponding conversion element is irradiated more strongly (higher irradiance) than the other conversion element or elements.
  • the lighting device is set up so that in a first position predominantly or exclusively a first conversion element is irradiated and in a second position predominantly or exclusively a second conversion element is irradiated.
  • Positions can then be predominantly or exclusively a third, fourth, fifth etc.
  • Conversion element is irradiated. It is possible to change between the individual positions by moving the conversion elements relative to the at least one laser source. In relation to the vehicle, for example, the conversion elements are moved and the at least one laser source is fixed in position. Alternatively, the at least one laser source can also be moved and the conversion elements are fixed in position.
  • the lighting device further has an actuator which, through electrical control, causes a relative movement between the conversion elements and the at least one laser source.
  • the actuator is coupled, for example, to the conversion elements in order to move them relative to the at least one laser source.
  • the actuator can also be coupled to the at least one laser source in order to move it relative to the conversion elements.
  • the conversion elements are connected to one another and are thereby fixed in their relative spatial arrangement to one another. This means that they form a network.
  • the conversion elements can, for example, be arranged in the same light guide and/or surrounded by a common casing.
  • the light guide or the casing are, for example, set up in such a way that they distribute and/or redirect the secondary radiation.
  • the light guide or the casing can remove oil from the conversion elements so that the various conversion elements are not visible or visible to a user. are distinguishable.
  • the assembly of the conversion elements is rotatable and/or linearly movable relative to the at least one laser source.
  • the composite or the at least one laser source can be rotated about an axis of rotation running parallel to a main emission direction of the laser radiation.
  • the composite or the at least one laser source can be arranged displaceably along a line, in particular a straight line, which runs transversely or perpendicular to the main emission direction of the laser radiation.
  • the conversion elements each have a fiber, also called a light guide, for guiding radiation.
  • the fibers are coated or filled with conversion material in sections or over their entire length, with the conversion material causing the respective conversion into secondary radiation.
  • the fibers of the conversion elements run, for example, parallel to one another or along parallel curves.
  • the composite of conversion elements is rotatable relative to the at least one laser source about an axis of rotation running parallel to the longitudinal axes of the fibers and/or displaceable to the at least one laser source along a line, in particular straight lines, running transversely or perpendicular to the longitudinal axes of the fibers.
  • the lighting device is set up in such a way that the laser radiation is coupled into the conversion elements at a respective fiber longitudinal end, also called the end face and is coupled out via a respective different fiber longitudinal end and/or a respective lateral surface of the conversion elements.
  • the conversion elements are each provided with structuring in the lateral surface at one or more points over their entire length, so that the structuring ensures that the secondary radiation is efficiently coupled out of the lateral surface of the conversion element.
  • the lighting device has at least two laser sources, for example three or four or more laser sources.
  • the laser sources can all be formed the same, i.e. H . emit the same type of laser radiation.
  • different laser sources are assigned to the at least two conversion elements, so that during operation one conversion element is at least predominantly irradiated with the laser radiation of one laser source and another conversion element is at least predominantly irradiated with the laser radiation of another laser source.
  • each conversion element is assigned a precise laser source, so that during operation the conversion element is predominantly or exclusively irradiated by the assigned laser source.
  • the lighting device is set up to vary the intensity ratio of the laser radiation emitted by the at least two laser sources.
  • the intensity of one or more laser sources can be varied.
  • the at least two laser sources can be operated individually and independently of one another, so that the intensity emitted by the respective laser source can be adjusted individually and independently of the intensity emitted by the at least one other laser source. This also allows the color of the radiation emitted by the lighting device as a whole to be varied.
  • the conversion elements assigned to the different laser sources each have a fiber for guiding radiation. What was said above with regard to the fibers applies accordingly here.
  • the laser radiation from a laser source assigned to a conversion element is predominantly or exclusively coupled into the fiber of the assigned conversion element.
  • the lighting device has a mixing element for mixing the secondary radiation of the conversion elements.
  • the conversion elements are surrounded by a mixing element in the form of a casing, which scatters the different secondary radiations diffusely and thereby mixes them.
  • the mixing element can also be formed as a fiber, with the individual conversion elements running inside the mixing element.
  • the method of operating a lighting device is given.
  • the method is used to operate a lighting device according to one of the embodiments described here. All disclosed in connection with the lighting device Features are therefore also disclosed for the method for operating the lighting device and vice versa.
  • this includes a step in which the at least one laser source is controlled so that it emits laser radiation and the laser radiation predominantly hits one of the conversion elements.
  • the conversion elements are moved relative to the at least one laser source, so that the laser radiation emitted by the at least one laser source at least predominantly hits another of the conversion elements.
  • the laser source continuously emits laser radiation, for example.
  • the laser source can be switched off for the relative movement and the laser source can be switched on again after the relative movement has ended in order to then irradiate the other conversion element.
  • this comprises a step in which at least one of the at least two laser sources is controlled so that it predominantly irradiates the conversion element assigned to it.
  • the control of the laser sources is changed in such a way that the intensity ratio of the laser radiation emitted by the laser sources is changed.
  • the previously controlled laser source is switched off and another laser source is switched on.
  • there can also be a state in which at least two Laser sources emit laser radiation can be changed to a state in which one laser source is switched off or both laser sources emit laser radiation of other intensities.
  • Figure 1 shows a vehicle with an exemplary embodiment of the lighting device
  • Figures 5 and 6 exemplary embodiments of the lighting device in a cross-sectional view.
  • Figure 1 shows a vehicle, more precisely a car, in a top view (left image) and in a side view (right image).
  • the vehicle includes a vehicle roof into which a lighting device 100 is integrated.
  • the Lighting device 100 is used in particular to illuminate the interior of the vehicle, for example as a so-called ambient light. Thanks to the high intensity of the lighting device, it can also be used as general lighting and/or daylight lighting.
  • the lighting device could also extend along the longitudinal axis of the vehicle and/or circumferentially, for example in a circle, in the roof.
  • FIG. 2 shows an exemplary embodiment of the lighting device 100 in a perspective view.
  • the lighting device 100 includes a laser source 1 that emits laser radiation during operation.
  • the laser radiation is, for example, UV radiation or radiation in the blue and/or violet spectral range.
  • the laser source 1 is based on a composite or a bundle of several conversion elements 11, 12, 13 directed. Each of the conversion elements 11, 12, 13 comprises one with a conversion material or Phosphor coated fiber.
  • the composite of the conversion elements 11, 12, 13 is coupled to an actuator 6, which, when activated, rotates the composite about an axis of rotation parallel to the main emission direction of the laser radiation or rotates parallel to the longitudinal fiber direction of the conversion elements 11, 12, 13.
  • the 2 shows a first position of the composite relative to the laser source 1, in which the laser radiation emitted by the laser source 1 exclusively irradiates or irradiates a first conversion element 11. is coupled into the associated fiber.
  • the first conversion element 11 is there set up to partially or completely convert the laser radiation into secondary radiation.
  • the secondary radiation from the first conversion element 11 is, for example, blue light.
  • the second 12 or the third 13 conversion element can be guided into the laser beam of the laser source 1.
  • the second conversion element 12 is set up to convert the laser radiation into a different secondary radiation than the first conversion element 11.
  • the second conversion element 12 converts the laser radiation into yellow and/or green light.
  • the third conversion element 13 is set up to convert the laser radiation into a secondary radiation that differs from the secondary radiations of the first 11 and second 12 conversion elements.
  • the secondary radiation of the third conversion element 13 is red light.
  • Figure 3 shows a further exemplary embodiment of the lighting device 100.
  • the lighting device 100 includes a laser source 1 and three conversion elements 11, 12, 13, which are connected to one another, as well as an actuator 6.
  • the composite is not rotated by the actuator 6 with respect to the laser source 1 but is moved linearly, specifically along a straight line perpendicular to the main emission direction of the laser radiation or perpendicular to the longitudinal fiber axis of the conversion elements 11, 12, 13. This linear movement can be used to set again whether the lighting device 100 emits blue light, green/yellow light or red light.
  • the lighting device 100 comprises three laser sources 1, 2, 3, each of which is uniquely assigned to a conversion element 11, 12, 13. During operation, each laser source 1, 2, 3 only irradiates the conversion element 11, 12, 13 assigned to it.
  • the conversion elements 11, 12, 13 are again fibers with a coating made of a conversion material.
  • the fibers are guided into a mixing element 4, which is set up to mix the secondary radiation emitted by the different conversion elements 11, 12, 13.
  • the mixing element 4 is, for example, a diffuser that diffusely scatters the secondary radiation and thereby mixes it.
  • the conversion elements 11, 12, 13 are set up, as in the previous exemplary embodiments, to convert the laser radiation into various secondary radiations.
  • the laser sources 1, 2, 3 can each be formed in the same way, i.e. emit the same laser radiation, for example UV laser radiation.
  • the lighting device 100 is set up to vary the intensity ratio of the laser radiation emitted by the laser sources 1, 2, 3.
  • the laser sources 1, 2, 3 can be operated individually and/or independently of one another.
  • each laser source 1, 2, 3 can be operated with different intensities.
  • the mixing element 4 then additionally mixes the emitted secondary radiation, so that, for example, white light can also be emitted by the lighting device 100.
  • the different exemplary embodiments of the lighting device 100 described in connection with FIGS. 2, 3 and 4 can all serve as the lighting device 100 of FIG. 1.
  • Figures 5 and 6 each show a cross-sectional view through the conversion elements 11, 12, 13.
  • the conversion elements 11, 12, 13 are provided with decoupling structures in some places, so that the secondary radiation generated is coupled out of the respective conversion element 11, 12, 13.
  • FIG. 5 the secondary radiations are coupled out in all directions, whereas in FIG. 6 a reflector 5 is used so that the secondary radiations are only emitted into a half-space.
  • the reflector 5 is, for example, a metallic coating.
  • the invention is not limited to the description based on the exemplary embodiments. Rather, the invention includes every new feature and every combination of features, which in particular includes every combination of features in the patent claims, even if these features or this combination itself is not explicitly stated in the patent claims or exemplary embodiments.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

Dans au moins un mode de réalisation, le dispositif d'éclairage (100) pour un véhicule présente au moins une source laser (1, 2, 3) destinée à émettre un rayonnement laser et au moins deux éléments de conversion (11, 12, 13). Les éléments de conversion peuvent être irradiés avec le rayonnement laser provenant de ladite source laser, et chacun des éléments de conversion est conçu pour convertir au moins partiellement le rayonnement laser incident en un rayonnement secondaire, les rayonnements secondaires des éléments de conversion différant les uns des autres. Le dispositif d'éclairage est conçu pour faire varier l'intensité de rayonnement des éléments de conversion au moyen du rayonnement laser provenant de ladite source laser afin de modifier la proportion de rayonnements secondaires différents du rayonnement total émis par le dispositif d'éclairage.
PCT/EP2023/055967 2022-04-06 2023-03-09 Dispositif d'éclairage pour un véhicule et procédé d'actionnement d'un dispositif d'éclairage pour un véhicule WO2023194030A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102022108232.6 2022-04-06
DE102022108232.6A DE102022108232A1 (de) 2022-04-06 2022-04-06 Beleuchtungsvorrichtung für ein Fahrzeug und Verfahren zum Betreiben einer Beleuchtungsvorrichtung für ein Fahrzeug

Publications (1)

Publication Number Publication Date
WO2023194030A1 true WO2023194030A1 (fr) 2023-10-12

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WO (1) WO2023194030A1 (fr)

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WO2017115031A1 (fr) * 2015-12-30 2017-07-06 Compagnie Plastic Omnium Élément de carrosserie retroeclaire
FR3063127A1 (fr) * 2017-02-17 2018-08-24 Valeo Vision Systeme optique bi-couleur a source lumineuse unique

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US7649918B2 (en) 2007-10-30 2010-01-19 Corning Incorporated Multi-component wavelength conversion devices and lasers incorporating the same
DE102008063634B4 (de) 2008-12-18 2021-03-11 OSRAM Opto Semiconductors Gesellschaft mit beschränkter Haftung Leuchtmittel und Projektor mit mindestens einem solchen Leuchtmittel
US9093003B2 (en) 2011-10-11 2015-07-28 Corning Incorporated Manipulation of color illumination using light diffusing fiber
JP5427324B1 (ja) 2012-06-21 2014-02-26 パナソニック株式会社 発光装置および投写装置
JP6357655B2 (ja) 2013-07-25 2018-07-18 パナソニックＩｐマネジメント株式会社 照明装置
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US10473275B2 (en) 2015-12-11 2019-11-12 Signify Holding B.V. Lighting device with plurality of stacked luminescent concentrators
JP2018122649A (ja) 2017-01-30 2018-08-09 パナソニックＩｐマネジメント株式会社 車両用前照灯
EP3671339B1 (fr) 2017-08-17 2022-10-26 Sony Group Corporation Dispositif de source de lumière et dispositif d'affichage de type à projection

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Publication number Priority date Publication date Assignee Title
DE102014208660A1 (de) * 2014-05-08 2015-11-12 Osram Gmbh Erzeugen eines Lichtabstrahlmusters in einem Fernfeld
KR20150145651A (ko) * 2014-06-20 2015-12-30 에스엘 주식회사 차량용 램프
WO2017115031A1 (fr) * 2015-12-30 2017-07-06 Compagnie Plastic Omnium Élément de carrosserie retroeclaire
FR3063127A1 (fr) * 2017-02-17 2018-08-24 Valeo Vision Systeme optique bi-couleur a source lumineuse unique

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