WO2012093126A1 - Unité d'éclairage pour véhicule - Google Patents

Unité d'éclairage pour véhicule Download PDF

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Publication number
WO2012093126A1
WO2012093126A1 PCT/EP2012/050065 EP2012050065W WO2012093126A1 WO 2012093126 A1 WO2012093126 A1 WO 2012093126A1 EP 2012050065 W EP2012050065 W EP 2012050065W WO 2012093126 A1 WO2012093126 A1 WO 2012093126A1
Authority
WO
WIPO (PCT)
Prior art keywords
light
disk body
planar
coupling
light guide
Prior art date
Application number
PCT/EP2012/050065
Other languages
German (de)
English (en)
Inventor
Martin Mügge
Original Assignee
Hella Kgaa Hueck & Co.
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 Hella Kgaa Hueck & Co. filed Critical Hella Kgaa Hueck & Co.
Publication of WO2012093126A1 publication Critical patent/WO2012093126A1/fr

Links

Classifications

    • 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
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
    • G02B6/0028—Light guide, e.g. taper
    • 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
    • F21S43/239—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
    • F21S43/242—Light guides characterised by the emission area
    • F21S43/245—Light guides characterised by the emission area emitting light from one or more of its major surfaces
    • 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
    • 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
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/002—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces

Definitions

  • the invention relates to a light unit for vehicles with a housing, with a light source and with a planar light guide containing a formed as Lichteinkoppel Structure and the light source facing narrow side for coupling light of the light source, designed as a light output surface and the light source facing away narrow side for coupling the light to Forming a predetermined light function and running between the opposite narrow sides flat sides, where each of the injected light is totally reflectable.
  • lighting units for vehicles with a light-guiding element and with at least one light source are known.
  • Light emitted by the light source is coupled into the light-guiding element via a light input surface, the light-coupling surface having, for example, lenses, parabolic surfaces or elliptical surfaces as coupling optics.
  • the light formed in the light guide is coupled out in a main emission direction.
  • the light-guiding element has a light exit surface, which is typically formed by its front side. In this way, a light function can be realized by means of the light guide.
  • DE 10 2005 018 212 A1 discloses a disk body which serves as a light-guiding element and into which the light is transmitted via a disk body
  • Narrow side coupled and is decoupled to a front.
  • a rear side opposite the front side has light-scattering regions for scattering the light in the direction of the front side.
  • the disk body can obtain a diffuse radiation characteristic and, for example, form a light curtain.
  • a comparatively large luminous surface is created with attractive appearance.
  • a bright light function can not be displayed on the disk body, as the Light unit due to the diffuse radiation characteristic does not meet the required legal requirements for the bright light function.
  • Object of the present invention is therefore to provide a lighting unit, at the same time emitted light diffused and flat and a signal function with good optical efficiency and high light levels can be realized.
  • the invention in conjunction with the preamble of claim 1, characterized in that in the main emission in front of the planar light guide a disk body is provided, the one covering the light output surface of the planar light guide element and / or a further light unit disc section with a light output surface as a Front side of the same on the one hand and a Lichtauskoppel proposition the planar Lichtleitenses facing Lichtleitabrough on the other hand, wherein a direct light transition is given at least a partial light beam from the planar light guide in the Lichtleitabrough the disk body and wherein at least the disk body is designed such that coupled out of the disk body, a scattering light beam becomes.
  • a single light unit has a disk body to create a flat, diffuse light effect and a planar light guide for realizing a main light function, such as a signal function (brake light, flashing light, daytime running light, tail light, position light).
  • a main light function such as a signal function (brake light, flashing light, daytime running light, tail light, position light).
  • At least one central light source which may be formed, for example, as a light-emitting diode, is assigned to the planar light-guiding element of the light-emitting unit for this purpose.
  • the disk body radiating the light coupled into this diffused to one and on the other by the light emitted via the light outcoupling surface of the planar Lichtleitelements light or from the light emitted by the further light unit is irradiated, the disk body acts for a from the outside against the main radiation in the direction the viewer looking like a glowing body with a largely uniform illumination.
  • the lighting unit thus receives an attractive design, in which the at least Sectionally transparent disk body releases the view of the underlying light-guiding element.
  • the visible luminous area is increased by the disc section, which is particularly important for signaling functions and approval for the US market, as there is a minimum size for the brake and flashing light function is required for the luminous area.
  • the light outcoupling surface of the planar light guide element on two light exit areas wherein a first light exit region of a light input surface of the disk body is assigned such that a first partial light bundle is coupled into the disk body, and that a second partial light bundle to form a main light function via a second Light exit region of the planar light guide element can be coupled out.
  • the luminaire unit according to the invention thereby builds particularly small and compact.
  • the planar light-guiding element serves as a dividing element for the light beam emitted by the light source, a first partial light bundle being coupled into the pane body and a second partial light bundle serving to form the main light function.
  • a coupling optics is provided solely on the light-guiding element, so that the production costs can be reduced.
  • a gap between the first light exit region of the planar light guide element and the light coupling surface of the disk body can be smaller than 5 mm, preferably smaller than 1 mm.
  • the boundary surfaces of the light guides facing the gap can have a coordinated geometry.
  • a light connecting element can be arranged in the gap.
  • the provision of the smallest possible gap achieves a high optical efficiency, with the result that the light coupled out of the planar light-guiding element is for the most part coupled into the pane body.
  • the lighting unit receives an attractive, high-quality design by providing a small gap.
  • the optical efficiency can be achieved by providing the light connecting element, which is designed, for example, as a silicone pad can be further improved or the matched in their geometry adjacent interfaces and a direct light transition can be ensured even when providing a gap. It is likewise possible for the gap to be completely dispensed with and for the boundary surfaces formed by the light coupling-out surface of the planar light-guiding element and the light-coupling surface of the pane body to lie directly against one another.
  • the first light exit region of the planar light-guiding element and the light-coupling surface of the disk body are designed in several parts, in particular in two parts.
  • a part of the first light exit region of the planar light-guiding element is assigned a part of the light-coupling surface of the pane body.
  • the mutually associated parts of the light output surface and the light input surface are at least approximately the same size.
  • a particularly uniform, homogeneous illumination of the disk body can be realized with a single or only a few light sources.
  • the lighting unit can be produced inexpensively.
  • even large disk body receive an advantageous uniform radiation characteristics and an attractive design.
  • the light incoupling surface of the disk body is made in several parts, in particular in two parts, a first partial light bundle of a first planar light guide element being coupled in a first part of the light coupling surface of the disk body and a first partial light bundle of a second planar light guide element in a second part of the light coupling surface of the disk body is coupled.
  • the first planar light-guiding element and the second planar light-guiding element are in this case arranged at a distance from one another such that a gap is formed between the planar light-guiding elements.
  • this can produce an effective and uniform light distribution with only a few light sources, even with large disk bodies.
  • a further light function can be realized by means of the further lighting unit.
  • the light of the other light unit can also be emitted through the diffusely radiating disk body.
  • FIG. 1 is a perspective view of a first embodiment of a lighting unit according to the invention
  • FIG. 2 shows a side view of the lighting unit according to FIG. 1,
  • FIG. 3 is a perspective view of a second embodiment of the lighting unit according to the invention.
  • FIG. 4 is a perspective view of a front side of a third embodiment of the lighting unit according to the invention.
  • FIG. 5 is a perspective view of a rear side of the third embodiment of the lighting unit according to the invention of Figure 4,
  • Fig. 6 is a perspective view of a fourth embodiment of the lighting unit according to the invention.
  • Fig. 7 is a perspective view of a fifth embodiment of the lighting unit according to the invention.
  • a luminaire unit has as essential components a number of light sources 1, which form a light beam emitted by the light sources 1. the and radiating planar light-guiding element 3, a disk body 2 assigned to the light-guiding element 3 on a side facing away from the light sources 1, and a housing (not shown) surrounding the light sources 1, the planar light-conducting element 3 and the pane body 2 at least in sections.
  • the disk body 2 serving as a light guide has a narrow surface serving as a light coupling surface 4, a front side functioning as a light coupling surface 5 and a rear side 6 opposite the front side (light coupling surface 5).
  • the rear side 6 has at least one light which is coupled into the pane body 2 via the light coupling-in surface 4 to the front side (light-outcoupling surface 5).
  • the planar light-guiding element 3 is arranged in the beam path between the light sources 1 and the pane body 2.
  • the light-guiding element 3 has coupling optics 7 which are associated with the light sources 1 and form the light beams emitted by the light sources 1, with each light source 1 being assigned a coupling optics 7.
  • the light-guiding element 3 On a front side opposite the coupling-in optics 7, the light-guiding element 3 has a light-outcoupling surface 8 with two light-emitting regions 8 ', 8 "for coupling the light bundle out of the light-guiding element 3.
  • a first light-emitting region 8' is assigned to the light-coupling surface 4 of the disk body 2 in such a way that a first light exit region 8 ' A partial light bundle forms a main light function of the lighting unit and is coupled out of the light guiding element 3 via a second light exit area 8 "into a main emission direction 10 of the lighting unit 3.
  • each light sources 1 designed as LEDs are arranged on a common carrier plate 11 in a transverse direction 12 of the lamp in spaced relationship to one another.
  • the light sources 1 are each assigned a coupling optics 7 of the light-guiding element 3, wherein the coupling optics 7 for forming a preferably parallel light bundle in the light guide 3 parabolic reflection surfaces 13 and end-side recesses 14 for receiving the light sources 1 has.
  • the second light exit region 8 "formed on the front side of the light-guiding element 3 opposite the coupling-in optics 7 has a scattering optic for shaping the light emission characteristic of the main light function of the lighting unit.
  • the first light exit area 8 ' viewed in the main emission direction 10, is set back from the second light exit area 8 "in the direction of the light sources 1. This results in a step-like opening between the first light exit area 8' and the second light exit area 8" and into the luminaire crossing 12 extending paragraph 15, in the disk body 2 can be attached and positioned in its position relative to the light guide 3.
  • the light coupling surface 4 of the disk body 2 is assigned to the first light exit region 8 'of the light guide element 3 such that light coupled out of the light guide element 3 via the first light exit region 8' is coupled into the disk body 2.
  • a very narrow gap 17 of less than 1 mm in width is formed in the present exemplary embodiment. Due to the very small gap width, the optical losses when switching off and re-coupling the light are low.
  • the disk body 2 is formed flat in the lamp transverse direction 12.
  • a the main emission direction 10 receiving and oriented perpendicular to the transverse direction of the lamp 12 cross-sectional plane 16 of the lighting unit of the disk body 2 is bent in a sickle-shaped manner.
  • a free end 20 of the crescent-shaped disk body 2 facing away from the light-guiding element 3 extends in this case in the main emission direction 10 behind the second light exit region 8 "of the light-guiding element 3.
  • Light emitted by the light sources 1 is shaped in the region of the coupling-in optics 7 into a preferably parallel light bundle.
  • a first partial light bundle occurs via the first light exit region 8 'of the light guide element 3 from the same and via the first light exit region 8' associated Lichteinkoppel constitutional 4 of the disk body 2 in the same one.
  • the light-incoupling surface 4 is part of a light-conducting section 2 'of the disk body 2, via which coupled-in light is guided a disk section 2 "which adjoins the light-conducting section 2' and which has the light coupling-out surface 5.
  • the light of the first partial light beam is diffusely scattered in the direction of the front side (light output surface 5), so that the disk body 2 creates a diffuse, ambient lighting and on a viewer looking from the outside, for example against the Hauptabstrahlraum 10 on the lighting unit the Impression of a "glowing" body.
  • a second partial light bundle is coupled out of the light guide element 3 essentially via the second light exit region 8 "into the main emission direction 10.
  • the second partial light bundle forms the main light function of the light unit 3 arranged disk body 2 through.
  • the pane body 2 has an optically inactive light guide rim 18 extending at least in sections opposite to the main emission direction 10 of the lighting unit.
  • the Lichtleitusionnrand 18 extends in the transverse direction of the lamp 12 and serves to improve the recording of the disk body 2 in the housing of the lighting unit, not shown. In particular, can be improved by the provision of the Lichtleitusionnrands 18, the sealability and / or the installation of the lighting unit can be simplified.
  • the Lichtleitusionnrand 18 also allows the compensation of a slightly varying gap.
  • the first light exit region 8 'of the light guide 3 is formed in two parts.
  • the second light exit region 8 "is set back in the direction of the light sources 1 in relation to the two parts 8.1 ', 8.2' of the first light exit region 8 '.
  • the pane body 2 also has a two-part light coupling surface 4, wherein a first part 4 'of the light coupling surface 4 the first part 8.1' of the first light exit region 8 'and a second part 4 "of the light coupling surface 4 the second part 8.2' of the first light exit region 8 'such it is associated with the fact that light coupled out of the light guide element 3 through the first light exit region 8 'is coupled into the window body 2 via the two parts 4', 4 "of the light coupling surface 4.
  • the light output surface 5 forming the front side of the pane body 2 is curved outward in the cross-sectional plane 16 of the lighting unit and extends between the two parts 4 ', 4 "of the light input surface 4.
  • the light output surface 5 covers the second light exit region 8, as seen in the main emission direction 10 "of the light guide 3.
  • the first partial light bundle is divided in two and is coupled via the two-part first light exit region 8 'of the light guide 3 and the likewise two-part light input surface 4 of the disk body 2 on both sides of the light output surface 5 in the disk body 2.
  • the disk body 2 can thereby be particularly evenly illuminated with advantageously few light sources 1 and receives an attractive appearance.
  • the provision of a scattering optics in the region of the second light exit region 8 "of the light-conducting element 3 is dispensed with in order to form the light-emitting characteristic required for the main light function instead of the parabolic-shaped reflection surfaces 13 faceted formed.
  • the second light exit region 8 "of the light-guiding element 3 is designed without any optics.
  • the Schei ⁇ ben redesign 2 has a two-part light input surface 4.
  • the light output surface 5 extends between the first part 4 'and the second part 4 "of the light incoupling surface 4.
  • the first part 4' of the light incoupling surface 4 is a first light exit region 8 'of a first light guide 3' and the second part 4" of the light coupling surface 4 a
  • the first light-guiding element 3 'and the second light-directing element 3 are arranged spaced from one another such that a gap 19 is formed between the light-guiding elements 3', 3" a further, not shown light unit, by means of which a further light function can be displayed.
  • the second partial light bundle coupled out via the second light exit region 8 "of the first light guide element 3 'and of the second light guide element 3" is not radiated through the window section 2 "of the window body 2 according to the fifth embodiment of the invention, however, the light emitted by the further lighting unit not shown Light are emitted through the disk portion 2 "of the disk body 2 of the lighting unit according to the invention.
  • an unillustrated light connecting element for example a silicone pad
  • the optical efficiency of the lighting unit can be improved, in particular when providing a comparatively large gap 17.
  • a light source 1 for example, an LED can be used.
  • the lighting unit may be formed, for example, as a tail lamp of a vehicle.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Planar Illumination Modules (AREA)

Abstract

La présente invention concerne une unité d'éclairage pour véhicule comprenant un boîtier, une source lumineuse (1) et un élément de transmission lumineuse plan (3) présentant un petit côté qui est conçu sous forme de surface d'injection lumineuse (4), qui fait face à la source lumineuse (1) et qui est conçu pour injecter de la lumière de la source lumineuse, un petit côté qui est conçu sous forme de surface de sortie de lumière (8), qui est opposé à la source lumineuse (1) et qui est conçu pour faire sortir la lumière afin d'assurer une fonction d'éclairage prédéfinie, ainsi que des grands côtés qui s'étendent entre les petits côtés opposés et sur lesquels la lumière injectée peut respectivement être réfléchie en totalité. Un corps discoïde (2) est placé avant l'élément de transmission lumineuse plan dans la direction d'émission principale, lequel corps discoïde comprend une partie discoïde (2'') qui recouvre la surface de sortie de lumière (8) de l'élément de transmission lumineuse plan (3) et/ou une autre unité d'éclairage et qui présente une surface de sortie de lumière (5) en tant que face avant, ainsi qu'une partie de transmission lumineuse (2') qui fait face à la surface de sortie de lumière (8) de l'élément de transmission lumineuse plan (3). Un passage de lumière direct d'au moins un faisceau lumineux partiel est établi de l'élément de transmission lumineuse plan (3) dans la partie de transmission lumineuse (2') du corps discoïde (2). Au moins le corps discoïde (2) est conçu de manière qu'un faisceau lumineux à diffusion sorte du corps discoïde (2).
PCT/EP2012/050065 2011-01-04 2012-01-04 Unité d'éclairage pour véhicule WO2012093126A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011000022.4 2011-01-04
DE102011000022.4A DE102011000022B4 (de) 2011-01-04 2011-01-04 Leuchteinheit für Fahrzeuge mit einem Scheibenkörper vor einem flächigen Lichtleitelement

Publications (1)

Publication Number Publication Date
WO2012093126A1 true WO2012093126A1 (fr) 2012-07-12

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Application Number Title Priority Date Filing Date
PCT/EP2012/050065 WO2012093126A1 (fr) 2011-01-04 2012-01-04 Unité d'éclairage pour véhicule

Country Status (2)

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DE (1) DE102011000022B4 (fr)
WO (1) WO2012093126A1 (fr)

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EP2711618A1 (fr) * 2012-09-25 2014-03-26 Valeo Vision Dispositif d'éclairage et/ou de signalisation notamment pour véhicule automobile
WO2014135762A1 (fr) * 2013-03-05 2014-09-12 Peugeot Citroen Automobiles Sa Dispositif d'indication de changement de direction d'un véhicule, à guide de lumière et écran opalin
WO2015010080A1 (fr) * 2013-07-18 2015-01-22 Quarkstar Llc Module de luminaire comportant de multiples éléments de guidage de lumière
US9028120B2 (en) 2011-08-08 2015-05-12 Quarkstar Llc Illumination devices including multiple light emitting elements
US9081125B2 (en) 2011-08-08 2015-07-14 Quarkstar Llc Illumination devices including multiple light emitting elements
US9206956B2 (en) 2013-02-08 2015-12-08 Quarkstar Llc Illumination device providing direct and indirect illumination
US9354377B2 (en) 2013-09-17 2016-05-31 Quarkstar Llc Light guide illumination device with light divergence modifier
US9410680B2 (en) 2013-04-19 2016-08-09 Quarkstar Llc Illumination devices with adjustable optical elements
US9746173B2 (en) 2012-09-13 2017-08-29 Quarkstar Llc Illumination devices including enclosure panels with luminaire modules
US9846272B2 (en) 2012-09-13 2017-12-19 Quarkstar Llc Illumination systems providing direct and indirect illumination
CN109328281A (zh) * 2016-04-25 2019-02-12 夸克星有限责任公司 多光束车灯

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AT513206B1 (de) * 2012-07-18 2015-04-15 Zizala Lichtsysteme Gmbh Leuchteinheit für einen Scheinwerfer
DE102016008422A1 (de) * 2016-07-11 2018-01-11 GM Global Technology Operations LLC (n. d. Ges. d. Staates Delaware) Leuchte für ein Kraftfahrzeug
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