EP2442013A2 - Dispositif d'éclairage pour un véhicule automobile doté d'une source lumineuse semi-conductrice et d'un réflecteur - Google Patents

Dispositif d'éclairage pour un véhicule automobile doté d'une source lumineuse semi-conductrice et d'un réflecteur Download PDF

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Publication number
EP2442013A2
EP2442013A2 EP11184485A EP11184485A EP2442013A2 EP 2442013 A2 EP2442013 A2 EP 2442013A2 EP 11184485 A EP11184485 A EP 11184485A EP 11184485 A EP11184485 A EP 11184485A EP 2442013 A2 EP2442013 A2 EP 2442013A2
Authority
EP
European Patent Office
Prior art keywords
light
reflector
lighting device
light guide
exit surface
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP11184485A
Other languages
German (de)
English (en)
Other versions
EP2442013A3 (fr
EP2442013B1 (fr
Inventor
Hubert Zwick
Hermann Kellermann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Marelli Automotive Lighting Reutlingen Germany GmbH
Original Assignee
Automotive Lighting Reutlingen 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 Automotive Lighting Reutlingen GmbH filed Critical Automotive Lighting Reutlingen GmbH
Publication of EP2442013A2 publication Critical patent/EP2442013A2/fr
Publication of EP2442013A3 publication Critical patent/EP2442013A3/fr
Application granted granted Critical
Publication of EP2442013B1 publication Critical patent/EP2442013B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F21S43/40—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the combination of reflectors and refractors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
    • F21S41/141—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
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
    • F21S41/141—Light emitting diodes [LED]
    • F21S41/147—Light emitting diodes [LED] the main emission direction of the LED being angled to the optical axis of the illuminating device
    • F21S41/148—Light emitting diodes [LED] the main emission direction of the LED being angled to the optical axis of the illuminating device the main emission direction of the LED being perpendicular to the optical axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • F21S41/24—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
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • F21S41/28—Cover glass
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
    • F21S41/32—Optical layout thereof
    • F21S41/33—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature
    • F21S41/337—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector having a structured surface, e.g. with facets or corrugations
    • 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
    • F21S43/251—Light guides the light guides being used to transmit light from remote light sources
    • 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
    • F21S43/26—Refractors, transparent cover plates, light guides or filters not provided in groups F21S43/235 - F21S43/255

Definitions

  • the present invention relates to a lighting device for a motor vehicle according to the preamble of claim 1.
  • a lighting device has a semiconductor light source and a reflector.
  • the structure of the known illumination device follows the principle of generating a light distribution by a parabolic reflector.
  • a parabolic reflector surrounds the semiconductor light source, which is arranged as accurately as possible at its focal point.
  • the light emitted by the semiconductor light source is then parallelized by the reflector and directed onto a transparent pane which covers a light exit opening of the illumination device.
  • the parabolic basic shape of the reflector for example by a subdivision of the generally parabolic basic shape of the reflection surface of the reflector into individual facets and / or by scattering elements in the transparent disc, which changes the direction of the through the disc cause passing light, a predetermined light distribution is generated in advance of the lighting device.
  • One known countermeasure is the use of comparatively short focal length paraboloids.
  • the focal length of a parabola corresponds to the distance of its focal point from the vertex.
  • other disadvantages must be taken into account: Either the luminous light exit surface is comparatively small or the required depth is comparatively very large.
  • each semiconductor light source appears as a bright spot.
  • the aim is a homogeneously luminous surface.
  • Such a lighting device is characterized in that it comprises a light of the semiconductor light source receiving and pointing to a reflector optical fiber having a planar, light of the semiconductor light source receiving light entrance surface and a curved light exit surface, and that the reflector by pivoting a parabola portion by an imaginary Having axis originated basic shape, wherein the light guide and the reflector are arranged relative to each other and the light exit surface of the light guide is curved so that a focal line of the reflector, which is formed during pivoting by the movement of the focal point of the parabola section, in the light exit surface.
  • the distance between the metallically mirrored reflector and the electrical connections of the semiconductor light source is comparatively large due to the light exit surface serving as a virtual light source in the light path between the semiconductor light source and eliminating the risk of short circuits.
  • the comparatively large distance also reduces the larger heat load at a smaller distance, which results from the electrical heat loss which is released in the chip of the semiconductor light source and heats it.
  • the lighting device behaves opposite
  • planar light entry surface is that a planar board can be used as a carrier of the chip of the semiconductor light source.
  • Flat sinkers are cheaper and more robust than flexible foldable sinkers, so they can be handled with less effort in manufacturing. Along with the reduced requirement for positioning accuracy, this simplifies manufacturing, which has a cost-reducing effect.
  • focal line of the reflector results in a very homogeneous illumination of the light exit surface of the illumination device.
  • the focal points be it individual points, a continuous line or a contiguous surface, ideally lie in the light exit surface.
  • the advantages of the invention also remain to a significant extent when the focal points are slightly in front of or slightly behind the light exit surface.
  • the illumination device requires only a small, planar circuit board with one or more semiconductor light sources, the light guide and a single reflector and a cover plate. Overall, comparatively large, homogeneously illuminated light exit surfaces can thus be achieved with comparatively little effort.
  • the semiconductor light sources used for automotive lighting devices are often light-emitting diodes (LED) with a comparatively flat light exit surface, which can be arranged very close to the planar light input surface of the light guide. This allows a touching or at least almost touching arrangement of the semiconductor light sources on the coupling surface. This allows almost complete, only unavoidable Fresnel losses in purchasing coupling of the light in the light guide, which positively affects the efficiency.
  • LED light-emitting diodes
  • the shows Fig. 1 an illumination device 10 for a motor vehicle with a semiconductor light source 12 and a reflector 14.
  • the illumination device 10 has a light 16 of the semiconductor light source receiving and on the reflector 14 directing optical fiber 18.
  • the light guide 18 has a planar, light 16 of the semiconductor light source 12 receiving light entrance surface 20 and a curved light exit surface 22.
  • the reflector 14 has a basic shape, which is formed by pivoting a parabola section 24 about an imaginary axis 26.
  • the light guide 18 and the reflector 14 are arranged relative to each other, and the light exit surface 22 of the light guide 14 is curved so that a focal line 28 of the reflector 14, which results during pivoting by the movement of the focal point 30 of the parabola section 24 in the Light exit surface 22 is located.
  • the light exit surface 22 preferably has the shape of a part of a cylinder jacket which is delimited by two parallel circular arcs 22_1, 22_2 and by two straight line sections 22_2, 22_4.
  • the entire light entering the light guide 18 in this plane is directed onto the reflector 14 and deflected by it in the direction of the imaginary axis 26.
  • the entire volume of the light guide 18 is not used for the conduction of the light 16 of the light source 12 from its light entry surface 20 to its light exit surface 22.
  • the unused partial areas 18 1 and 18_ 2 are determined by the opening angle of the light propagating in the light guide 18, which in the subject matter of Fig. 1 is limited by the radians of the circular arcs 22_1, 22_2.
  • the non-used for the light pipe sections 18_1, 18_2 of the Light guide 18 are used in one embodiment for fastening purposes and may alternatively be omitted.
  • a cover plate 32 which lies in the light propagation direction above the reflector 14 and which, for example, on its reflector 14 facing surface scattering elements 34 which bulge out convexly from the cover, in one embodiment, a prescribed light distribution from the substantially parallel light beam, the emanating from the reflector 14 generates.
  • the scattering elements 34 are spherical in a preferred embodiment.
  • Fig. 2 shows an alternative embodiment with a flat, no scattering elements having cover plate 38, in which the statutory light distribution is achieved by a faceting of the reflector 14.
  • the respective value of the slope ultimately results from the required light distribution. For example, if light distribution with a bright spot in the extension of the central optical axis 26 is out of Fig. 1 required, a corresponding amount of reflector surface and a concomitant large number of facets 40, 44 must be present with a comparatively steeper course than corresponds to the parabola section 24.
  • a third embodiment provides a combination of a diffuser 34 having cover 32 with a Facet 40, 42, 44 having reflector 14 before.
  • the deflection angle of facets and diffusers add up, so that overall results in a stronger deflection and generally a greater freedom in the design.
  • FIG. 3 shows a plan view of a light guide having a straight and parallel to a straight light entrance surface 48 extending light exit surface 50, together with a light beam 52.
  • the light beam 52 emanates from a lightly arranged in front of the light entrance surface 48 semiconductor light source 12, is on the light entrance surface 48 in coupled to the light guide 46 and coupled out via the light exit surface 50 again.
  • this constellation corresponds to the passage of light through a plane-parallel plate. This means that the opening angle of the light beam 52 in the light guide 46 is smaller than outside the light guide 46 and that the opening angle of the light beam 52 after exiting the light guide 46 is the same size as before the entrance into the light guide 46. In the drawing plane will find so no light bundling by the light guide 46 instead.
  • FIG. 4 shows a light guide 54 of a preferred embodiment.
  • the light guide 54 is characterized in that its light exit surface 58 is delimited by a circular arc, the center of the associated circle being defined by the semiconductor light source 12 arranged closely in front of the light entry surface 56, which may be imagined for this purpose as a punctiform light source.
  • the individual rays of the light beam 52 each approximately perpendicular to the circular arc-shaped curved light exit surface 58 and therefore experience virtually no angle change when passing through this surface. Overall, however, results in a bundle constriction by occurring during coupling via the light entrance surface 56 refraction of light during the transition from air to optically dense light guide material.
  • the Figures 3 and 4 thus show the beam path in a planar light guide and after the exit of the light from the light guide, wherein the exit surface in the case of FIG. 3 parallel to the entrance surface and in the case of Fig. 4 oriented at any point perpendicular to the direction of light.
  • the light distribution emitted via the light exit surface 50 at the end of the optical waveguide 46 thus has the same angular distribution which comprises the light emitted by the semiconductor light source 12.
  • the bundle constriction that occurs when entering the light guide 54, in the embodiment that in the FIG. 4 is shown, obtained at the exit.
  • the FIG. 5 shows a preferred embodiment of a light guide 18 of an embodiment of the lighting device 10 in a cross section.
  • the cross-sectional area is, for example, in the plane that in the FIG. 1 is defined by the semiconductor light source 12 and the parabola portion 24.
  • the illustrated embodiment of the light guide 18 is characterized in that the distance from its upper side 60 to its lower side 62, starting from its light entry surface 20 and tapering towards the light exit surface 22, increases.
  • the cross section has the illustrated trapezoidal shape, in which the shorter of the parallel sides of the trapezium in the light entry surface 20 and the longer of the parallel sides of the trapezium in the light exit surface 22 of the light guide 18 is located.
  • the distance between the upper side 60 and the lower side 62 is selected such that the light emanating from the semiconductor light source 12 and coupled into the light guide 18 totally reflects upon impact with the underside 62 and / or the upper side 60 and thus ultimately leads to the light exit surface 22 is opposite to the light entrance surface 20. Due to the divergent arrangement of the upper side 60 and the lower side 62 of the light guide 18, the angle between a light beam 64 and a central propagation direction 66 or center line of the light guide 18 decreases with each total reflection. The propagating light in the light guide 18 is thus bundled with increasing approach to the light exit surface in the sense of approaching a bundle of parallel beams.
  • the illustrated tilting of the two cover surfaces relative to one another causes the light beam 64 to move in the direction of a widening cross section.
  • the beam is parallelized by twice the angle at which the two surfaces are inclined towards each other.
  • FIG. 5 shows thus in particular the beam path in a plane which is perpendicular to the two top surfaces of the planar light guide.
  • the coupled-in light 64 is transported to the light exit surface 22 by means of total reflection on the two cover surfaces, that is to say on the upper side 60 and on the underside 62. At the exit, bundle widening takes place again due to the refractive index change.
  • Fig. 6 shows how in this way an area is created in which a light fan 65 exits from each point. Light of this fan of light is then by reflection at the reflector 14, which has a parabolic cross section and whose focus is preferably approximately in the center of the light exit surface 22 of the light guide 18 and thus approximately halfway between its top 60 and its bottom 62, in the desired Direction focused.
  • FIG. 7 shows an embodiment with a reflector 67, the reflection surface in the space by a 360 ° around an axis 69 around pivoting around a parabola portion 24 is generated, as shown in the FIG. 1 has been illustrated and explained in the accompanying description.
  • the light propagating in the light guide 18 has an opening angle of about 90 °.
  • four semiconductor light sources 71, 73, 75, 77 arranged so that the opening angle of each lying in the circular light guide 79 light bundles 81 complement each other to a full circle.
  • the circular light guide 79 whose geometry and arrangement relative to the reflector 67, moreover, preferably the geometry of the light guide 18 from the FIG. 1 and whose arrangement corresponds to the reflector 14, has a square recess in the middle. This recess is delimited by 4 surfaces on which the four semiconductor light sources 71, 73, 75, 77 are fixed, wherein each one of the semiconductor light sources 71, 73, 75, 77 is arranged on each surface.
  • the circular light guide 79 with the four semiconductor light sources arranged in a central recess 71, 73, 75, 77 is the subject of FIG. 7 held by a spacer 83 and the reflector 67 supporting support structure in a defined position relative to the reflector 67.
  • the holding position meets the corresponding features of claim 1.
  • FIG. 7 illustrated circular geometry is used to produce a homogeneously illuminated ring and / or circular area, wherein the desired light distribution here also by a diffuser, not shown in the FIG. 1 illustrated and explained in the accompanying description type and / or can be generated by a reflector with facets.
  • a triangular, a pentagonal or a hexagonal recess in the light guide 79 may be used with a corresponding number of semiconductor light sources to achieve an appearance of the lamp with a desired homogeneity.
  • the homogeneity increases in principle with the number of coupling in different directions semiconductor light sources.
  • FIG. 8 shows a plan view of a lighting device with three modules 90, 92, 94 in the FIG. 1 illustrated and explained in the accompanying description type, not here, as in the subject matter of FIG. 7 , with a uniform curvature of its edges to a circle, but with an alternating change of the curvature of the sign of its edges, so with a change between right curvature and left curvature, to an S-shaped light assembly have been composed.
  • the design, in the FIG. 8 has three semiconductor light sources 96, 98, 100, three planar light guides 102, 104, 106 and three reflector sections 108, 110, 112.
  • Each of a semiconductor light source 96, 98, 112 is functionally associated with a light guide 102, 104, 106 and a reflector section 108, 110, 112, wherein the geometries and relative arrangement of a semiconductor light source 96, 98, 100 to their optical fibers 102, 104, 106 and the Geometry of the light guide 102, 104, 106 and its arrangement relative to the associated reflector portion 108, 110, 112 in conjunction with the FIG. 1 corresponds to the relationships described.
  • the curvature does not have to change its sign from module to module 90, 92, 94, but it can also connect one or more modules with a first curvature behavior to one or more modules with a second curvature behavior.
  • a rectangular cover lens can also be illuminated homogeneously by a design of a lighting device according to the invention.
  • Fig. 9 shows a plan view of a lighting device 114 which is adapted to illuminate a rectangle 116 homogeneously.
  • a reflector 117 as in the FIG. 1 is shown in several Segments 118, 120, 122, 124, 126 split.
  • the subject matter of the FIG. 9 on the object of FIG. 1 This applies in particular to the relationships of geometry and arrangement of semiconductor light source, light guide and reflector, as they are described in the FIG. 1 are illustrated and explained in more detail in the accompanying description.
  • the following presentation focuses on deviations of the objects of Figures 9 and 10 from the subject of FIG. 1 ,
  • the division of the reflector 117 takes place at the subject of FIG. 9 preferably as it is in the FIG. 9 illustrated by the example of five segments 118, 120, 122, 124, 126.
  • the number of segments deviates from the number five and may also be less than or greater than five.
  • the angles at which the reflector segments 118, 120, 122, 124, 126 each appear from the semiconductor light source 12, are the same size. Therefore, when the brightness distribution of the radiation emitted by the semiconductor light source 12 is isotropic relative to the angle, the segments 118, 120, 122, 124, 126 receive approximately the same amount of light from the semiconductor light source 12.
  • the angular boundaries between the individual segments 118, 120, 122, 124, 126 are marked by radial rays emanating from the light source 12, which in this context can again be regarded as a point light source.
  • the top view of FIG. 9 an upper circular ring and a lower circular ring are determined such that these circular arcs touch the respective segment in each case at one point.
  • Each reflector segment 118, 120, 122, 124, 126 is thus delimited by an upper and a lower circular arc section and by two radial beams.
  • FIG. 10 shows a perspective view of such a trimmed reflector 117 below a rectangular cover plate 128th
  • FIG. 11 shows an embodiment in which the light exit surface 22 of the light guide 18 partially convex scattering elements 130, in some areas no scattering elements and partially concave scattering elements 132 has.
  • the prescribed light distribution is generated in the context of this embodiment, or at least the generation of the prescribed light distribution is supported.
  • FIG. 12 shows a cross section through an optical fiber 18.1 of a further embodiment, wherein the cross section is here oriented so that it lies for example in the plane in which the parabola section 24 of FIG. 1 lies.
  • FIG. 12 shows, in particular, the possibility of producing a further light exit surface 22.1 of a light guide in order to further increase the homogeneously illuminated surface.
  • the further light exit surface 22.1 lies in the illustrated embodiment with respect to the light emission direction 134 of the illumination device below the first light exit surface 22 and has a separate, their associated reflector 14.1, which is illuminated only by the light exiting via the second light exit surface 22.1.
  • stage 136 also be arranged above the first light exit surface 22.
  • An attenuation associated with this traversing by absorption within the optical waveguide 18.1 and by Fresnel losses when entering from below into the optical waveguide 18.1 and when exiting upwards from the optical waveguide 18.1 can then be avoided.
  • FIGS. 13 and 14 illustrate various ways of adapting the space requirements of embodiments of lighting devices according to the invention to the available space, which may be limited for example by design specifications.
  • the adaptation by an obliquely and substantially parallel to an obliquely arranged in the space cover 140 of a lamp or a headlight arrangement of the planar light guide 18.
  • the subject of FIG. 12 the adjustment is done by a corresponding curvature of the light guide 18th
EP11184485.8A 2010-10-15 2011-10-10 Dispositif d'éclairage pour un véhicule automobile doté d'une source lumineuse semi-conductrice et d'un réflecteur Not-in-force EP2442013B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102010048660A DE102010048660A1 (de) 2010-10-15 2010-10-15 Beleuchtungseinrichtung für ein Kraftfahrzeug mit einer Halbleiterlichtquelle und einem Reflektor

Publications (3)

Publication Number Publication Date
EP2442013A2 true EP2442013A2 (fr) 2012-04-18
EP2442013A3 EP2442013A3 (fr) 2014-05-07
EP2442013B1 EP2442013B1 (fr) 2018-04-11

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EP11184485.8A Not-in-force EP2442013B1 (fr) 2010-10-15 2011-10-10 Dispositif d'éclairage pour un véhicule automobile doté d'une source lumineuse semi-conductrice et d'un réflecteur

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EP (1) EP2442013B1 (fr)
DE (1) DE102010048660A1 (fr)

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EP2490052A1 (fr) * 2011-02-17 2012-08-22 Automotive Lighting Reutlingen GmbH Dispositif d'éclairage d'un véhicule automobile
DE102013205303A1 (de) 2013-03-26 2014-10-02 Automotive Lighting Reutlingen Gmbh Beleuchtungseinrichtung für ein Kraftfahrzeug
EP2835578A1 (fr) 2013-08-06 2015-02-11 Automotive Lighting Reutlingen GmbH Élément conducteur de lumière en forme de plaque en matériau transparent et module d'éclairage pour un dispositif d'éclairage de véhicule automobile doté d'un tel élément conducteur de lumière
WO2016008897A1 (fr) * 2014-07-15 2016-01-21 Koninklijke Philips N.V. Module d'éclairage de véhicule
EP3012522A1 (fr) * 2014-10-24 2016-04-27 Stanley Electric Co., Ltd. Unité d'éclairage de véhicule
CN107940388A (zh) * 2013-11-19 2018-04-20 三菱电机株式会社 前照灯模块和前照灯装置
CN108758546A (zh) * 2018-08-09 2018-11-06 华域视觉科技(上海)有限公司 近光车灯反射镜、近光车灯及汽车
FR3079596A1 (fr) * 2018-03-30 2019-10-04 Valeo Vision Dispositif optique avec guide optique et reflecteur indexes
WO2020078760A1 (fr) * 2018-10-15 2020-04-23 HELLA GmbH & Co. KGaA Dispositif d'éclairage pour véhicules

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DE102013110345A1 (de) 2013-09-19 2015-04-02 Hella Kgaa Hueck & Co. Beleuchtungsvorrichtung für Fahrzeuge
DE102015202595A1 (de) 2015-02-12 2016-08-18 Automotive Lighting Reutlingen Gmbh Beleuchtungseinrichtung eines Fahrzeugs
DE102015205732A1 (de) 2015-03-30 2016-10-06 Automotive Lighting Reutlingen Gmbh Plattenförmiges Lichtleiterelement, Lichtleiterelement-Anordnung mit mehreren solchen Lichtleiterelementen und Kraftfahrzeugleuchte mit einem solchen Lichtleiterelement oder einer solchen Lichtleiterelement-Anordnung
DE102019129369A1 (de) * 2019-10-30 2021-05-06 Marelli Automotive Lighting Reutlingen (Germany) GmbH Lichtmodul, Beleuchtungseinrichtung und Kraftfahrzeug

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Publication number Priority date Publication date Assignee Title
EP2490052A1 (fr) * 2011-02-17 2012-08-22 Automotive Lighting Reutlingen GmbH Dispositif d'éclairage d'un véhicule automobile
DE102013205303A1 (de) 2013-03-26 2014-10-02 Automotive Lighting Reutlingen Gmbh Beleuchtungseinrichtung für ein Kraftfahrzeug
EP2835578A1 (fr) 2013-08-06 2015-02-11 Automotive Lighting Reutlingen GmbH Élément conducteur de lumière en forme de plaque en matériau transparent et module d'éclairage pour un dispositif d'éclairage de véhicule automobile doté d'un tel élément conducteur de lumière
DE102013215471A1 (de) 2013-08-06 2015-03-05 Automotive Lighting Reutlingen Gmbh Plattenförmiges Lichtleiterelement aus einem transparenten Material und Lichtmodul für eine Kraftfahrzeug-Beleuchtungseinrichtung mit einem solchen Lichtleiterelement
CN107940388A (zh) * 2013-11-19 2018-04-20 三菱电机株式会社 前照灯模块和前照灯装置
CN107940388B (zh) * 2013-11-19 2019-04-23 三菱电机株式会社 前照灯模块和前照灯装置
WO2016008897A1 (fr) * 2014-07-15 2016-01-21 Koninklijke Philips N.V. Module d'éclairage de véhicule
US10386032B2 (en) 2014-07-15 2019-08-20 Koninklijke Philips N.V. Vehicle lighting module
EP3012522A1 (fr) * 2014-10-24 2016-04-27 Stanley Electric Co., Ltd. Unité d'éclairage de véhicule
US10078168B2 (en) 2014-10-24 2018-09-18 Stanley Electric Co., Ltd. Vehicle lighting unit
FR3079596A1 (fr) * 2018-03-30 2019-10-04 Valeo Vision Dispositif optique avec guide optique et reflecteur indexes
CN108758546A (zh) * 2018-08-09 2018-11-06 华域视觉科技(上海)有限公司 近光车灯反射镜、近光车灯及汽车
WO2020078760A1 (fr) * 2018-10-15 2020-04-23 HELLA GmbH & Co. KGaA Dispositif d'éclairage pour véhicules
US11624490B2 (en) 2018-10-15 2023-04-11 HELLA GmbH & Co. KGaA Lighting apparatus for vehicles

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EP2442013B1 (fr) 2018-04-11
DE102010048660A1 (de) 2012-04-19

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