EP3545229B1 - Dispositif d'illumination d'un phare de véhicule - Google Patents

Dispositif d'illumination d'un phare de véhicule Download PDF

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Publication number
EP3545229B1
EP3545229B1 EP17787308.0A EP17787308A EP3545229B1 EP 3545229 B1 EP3545229 B1 EP 3545229B1 EP 17787308 A EP17787308 A EP 17787308A EP 3545229 B1 EP3545229 B1 EP 3545229B1
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EP
European Patent Office
Prior art keywords
reflector
light
light source
lighting device
source arrangement
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.)
Active
Application number
EP17787308.0A
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German (de)
English (en)
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EP3545229A1 (fr
Inventor
Jürgen ZORN
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.)
ZKW Group GmbH
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ZKW Group GmbH
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Publication of EP3545229A1 publication Critical patent/EP3545229A1/fr
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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
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
    • F21S41/65—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on light sources
    • F21S41/663—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on light sources by switching 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
    • 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]
    • F21S41/143—Light emitting diodes [LED] the main emission direction of the LED being parallel to the optical axis of the illuminating device
    • 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
    • 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
    • F21S41/16—Laser 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
    • 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
    • F21S41/176—Light sources where the light is generated by photoluminescent material spaced from a primary light generating element
    • 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
    • F21S41/25—Projection lenses
    • 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
    • F21S41/25—Projection lenses
    • F21S41/27—Thick lenses
    • 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
    • F21S41/285—Refractors, transparent cover plates, light guides or filters not provided in groups F21S41/24 - F21S41/2805
    • 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
    • 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
    • F21S41/321—Optical layout thereof the reflector being a surface of revolution or a planar surface, e.g. truncated
    • 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
    • F21S41/322—Optical layout thereof the reflector using total internal reflection
    • 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
    • F21S41/36—Combinations of two or more separate reflectors
    • F21S41/365—Combinations of two or more separate reflectors successively reflecting the light
    • 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
    • F21S41/40—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades
    • F21S41/43—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades characterised by the shape thereof

Definitions

  • the invention relates to a lighting device for a motor vehicle headlight. Numerous arrangements and configurations of reflective and / or refractive elements and a light source for implementing a defined light distribution are already known from the prior art.
  • the shows DE 10 2005 054 660 A1 a device in which the utilization factor of a light beam from a light-emitting element can be improved and controlled, for which purpose a special shape of a reflecting surface of a primary reflector is provided in a configuration in which a vehicle lighting device comprises a primary and a secondary reflector.
  • the patent also discloses US 7,207,705 B2 a vehicle headlight with a first and second reflector, and an additional third reflector, which is arranged below a light source in order to achieve a defined light distribution and to improve the utilization factor of a light beam from a light-emitting element.
  • the legally compliant light distribution is composed of a central area, which is essentially formed by the first light source arrangement, and an edge area, which is essentially formed by the second light source arrangement. Through the arrangement or the variable connection of the second light source arrangement, the edge area of the legally compliant light distribution can be designed.
  • the advantage of using a laser device or laser light source is the associated high luminance in order to produce a spot with high illuminance, with an additional light source, which can be switched on as required for the light distribution generated, ensures a desired high luminous flux.
  • the at least one second light source arrangement is advantageously arranged in an area of the second reflector in which essentially no light from the first light source arrangement is deflected by the first reflector in order to use the unused reflective surface or light emitting surface for possible light functions, while the structural size of the Contraption.
  • the above-described selected position for the second light source arrangement ensures that the emitted light of the second light source arrangement is ejected through the cover lens without a deflection or reflection process at the first or second reflector.
  • the second light source arrangement comprises at least one light source.
  • the at least one light source of the second light source arrangement is designed as an LED light source.
  • LED light sources which include one or more light-emitting diodes (LEDs)
  • LEDs are increasingly being used in modern vehicle headlights and ensure a high gain in luminous flux with a simultaneous low increase in illuminance.
  • Standard LEDs as well as high-current LEDs can be used here.
  • the first reflector is designed as a hyperbolic reflector with a first focal point and a first virtual focal point.
  • the light shaping device is designed in such a way that the light from the first light source arrangement is concentrated as light rays on the first virtual focal point of the first reflector.
  • the first reflector is designed as a parabolic reflector with a first focal point.
  • the light shaping device is designed as a collimator, the collimator projecting the light beams from the first light source arrangement onto the first reflector as parallel light beams.
  • the second reflector is designed as a parabolic reflector with a second focal point.
  • the second reflector is designed as a hyperbolic reflector with a second focal point and a second virtual focal point, wherein the second virtual focal point does not have to be on a common axis with all other existing focal points, or, in other words, not all of the existing focal points have to be Focal points lie on a common axis.
  • the at least one light source of the second light source arrangement is arranged in the second virtual focal point of the second reflector.
  • the second light source arrangement comprises a TIR optical body.
  • cover plate is designed to be flat or planar.
  • the first reflector is designed as a totally reflecting surface of TIR optics.
  • the second reflector is advantageously designed as a totally reflecting surface of TIR optics.
  • a radiation diaphragm is provided between the first reflector and the second reflector for the implementation or optimization of a light / dark line.
  • the first reflector has active and / or passive safety systems, for example with regard to laser radiation.
  • the optical system formed from the first and second reflector is designed in one piece.
  • the optical system formed from the first and second reflector, the TIR optical body of the second light source arrangement and the light shaping device are formed in one piece.
  • the cover plate advantageously has one or more optical areas which are designed as light-shaping projection optics in order to align incident light beams horizontally and / or vertically in parallel.
  • the cover plate is constructed entirely from one or more optical areas and can be designed in one piece with the optical system.
  • such a lighting device can be used to generate the "high beam” light function, the lighting device generating a light distribution for this "high beam” light function which, when the lighting device is installed in a vehicle, is one of the legal requirements in front of the vehicle Requirements corresponding high beam distribution generated.
  • such a lighting device can be used to generate the "low beam” light function, the lighting device generating a light distribution for this "low beam” light function which, when the lighting device is installed in a vehicle, meets the legal requirements in front of the vehicle Generated low beam distribution.
  • such a lighting device can be used to generate the "fog light” light function, the lighting device generating a light distribution for this "fog light” light function which, when the lighting device is installed in a vehicle, is a legal requirement in front of the vehicle Requirements corresponding fog light distribution generated.
  • a lighting device can be used to generate the "daytime running lights” light function, the lighting device generating a light distribution for this "daytime running lights” light function which, when the lighting device is installed in a vehicle, is one in front of the vehicle Daytime running light distribution is generated in accordance with statutory requirements.
  • Fig. 1 shows an embodiment of the lighting device 1 according to the invention with a first light source arrangement 2 which is equipped with a laser device 2a and a light conversion element 2b.
  • laser devices emit usually coherent, monochromatic light or light in a narrow wavelength range, but preferably in a motor vehicle headlamp, in general for the emitted light white mixed light, or is required by law, the laser device 2 are so-called in the emission
  • Light conversion elements 2b are arranged for converting essentially monochromatic light into white or polychromatic light, “white light” being understood to mean light of such a spectral composition which causes the color impression “white” in humans.
  • This light conversion element 2b is designed, for example, in the form of one or more photoluminescence converters or photoluminescence elements, with incident laser beams from the laser device 2a impinging on the light conversion element 2b, which usually has photoluminescent dye, and excite this photoluminescent dye to photoluminescence, and thereby light in a laser device 2a emits different wavelengths or wavelength ranges.
  • the light output of the light conversion element 2b essentially has the characteristics of a Lambertian radiator.
  • transmissive and transmissive relate to the blue component of the converted white light.
  • transmissive the main direction of propagation of the blue light component after passing through the converter volume or conversion element is essentially in the same direction as the direction of propagation of the output laser beam.
  • reflective the laser beam is reflected or deflected at an interface attributable to the conversion element, so that the blue light component has a different direction of propagation than the laser beam, which is usually designed as a blue laser beam.
  • the invention is suitable in principle for both transmissive and reflective conversion elements, a transmissive light conversion element 2b being shown in the exemplary figures.
  • a light shaping device 3 is arranged to receive the emitted light of the light conversion element to a virtual focal point f3 of the first light source assembly 2 opposed in the emission first reflector 4, 4 'to focus, which, in the in Fig. 1 shown example is designed as a hyperbolic reflector 4 or as a totally reflecting surface of a TIR optics, one advantage of a hyperbolic reflector is the possibility of increased beam bundling and space reduction.
  • the first reflector 4, 4 'reflected light is in a first focal point f1 of the first reflector 4, 4' converged on the second reflector 5, 'deflected, which is designed and to the first reflector 4, 4' 5 is arranged such that the first focal point f1 of the first reflector 4, 4 ' substantially coincides with the second focal point f2 of the second reflector 5, 5' , the second reflector 5, 5 ' in the in Fig. 1 illustrated embodiment is designed as a parabolic reflector 5 ' or as a totally reflecting surface of a TIR optics.
  • the light beams reflected by the first reflector 4, 4 ' are transmitted by the second reflector 5, 5' as essentially parallel light beams through the cover plate 8, which in the case of a parabolic design of the second reflector 5 ' can be flat or flat, and in Ejected in the form of a defined light distribution in a desired exit direction, with exemplary beam paths in Fig. 1 are shown.
  • the invention is not limited to certain types of motor vehicle headlights and can be used, inter alia, on motor vehicle fog lights, motor vehicle turn signal headlights, daytime running light headlights, signal devices, motor vehicle rear headlights and / or motor vehicle headlights for high beam and / or low beam, as well as on certain lighting units in the same, the desired exit direction is dependent of the respective field of application of the motor vehicle headlight in which the invention is applied, the list of possible motor vehicle headlights not being exhaustive.
  • a beam stop 7 is provided between the first and the second reflector 4, 4 ', 5, 5' , as in FIG Fig. 1 and 6th shown schematically and positioned around the focal point.
  • a section of the second reflector 5, which is essentially not used optically, is in the area near the beam diaphragm 7 or the first and second focal points f1, f2. 5 ', to which no light rays from the first light source arrangement 2 are deflected by the first reflector 4, 4'.
  • the exit opening of the second light source arrangement 6 is arranged in a recess provided for this purpose in the second reflector 5, 5 ' , which is designed as a TIR optical body 6b with at least one LED light source 6a , this second light source arrangement 6 emitting an additional light output with an emission characteristic different from the first light source arrangement 2 in the desired exit direction.
  • the light emitted by the second light source arrangement 6 can be ejected without deflections essentially in the same direction as the light beams reflected by the second reflector 5, 5 ′.
  • LED light sources for the second light source arrangement 6 it is also possible to use other light sources which have an emission characteristic that differs from the light source arrangement 2.
  • classic halogen lamps or HID gas discharge lamps with a downstream beam shaping element could be used to generate a supplementary light distribution.
  • the use of high-current LED light sources offers the advantage of high luminous flux with a small light exit area.
  • the first reflector 4, 4 ' - mainly designed as a hyperbolic reflector 4 or as a totally reflecting surface of a TIR optics - a bundling of the light rays to the first virtual focal point f3 of the first reflector 4 is forced and the reflection area of the light rays at the first
  • the reflector 4 is not positioned directly in the light exit area of the overall optical system, the necessary interference structures of the security system 9 can be kept small.
  • radiation traps which are applied as a laser light absorbing layer to the reflective surface of the first reflector 4, 4 ' and in the event of a malfunction or damage to the light conversion element 2b transmits white mixed light and absorbs laser light.
  • Another example of a laser safety concept are light sensors arranged in safety-relevant positions, which compare the light intensities of the light emitted by the laser device 2a and the light intensities of the light emitted by the light conversion element 2b at these positions with stored reference intensities of the respective types of radiation, measured in error-free operation, whereby when exceeded a previously set, permitted deviation, the laser device 2a can be switched off automatically.
  • the first reflector 4, 4 ' can be designed as a parabolic reflector 4' or as a totally reflecting surface of a TIR optics
  • the second reflector 5, 5 ' being designed as a parabolic reflector 5' or as a totally reflecting surface of a TIR optics is.
  • the basic arrangement is essentially the same as that in Fig. 1 example shown and described above.
  • FIG. 3 Another combination of the types of reflectors is shown, the first reflector 4, 4 'being designed as a hyperbolic reflector 4 or as a totally reflecting surface of a TIR optics and the second reflector 5, 5' as a hyperbolic reflector 5 or as a totally reflecting surface of a TIR optics is formed with a second virtual focal point f4 .
  • Exemplary beam paths with the aid of the second virtual focal point f4 are also shown in FIG Fig. 3 shown, wherein the basic arrangement is essentially equivalent to the previous examples, and in general not all existing focal points f1, f2, f3, f4 need to lie on a common axis.
  • the cover plate 8 is designed as a lens or projection lens in order to generate a defined light distribution.
  • the cover plate 8 can have one or more different areas which are designed as projection optics in order to align incident light beams horizontally and / or vertically in parallel.
  • the purpose of the cover plate 8 is to shape the incident light beams or light beam bundles in such a way that parallel light beams or light beam bundles are ejected in order to thereby generate a legally compliant light distribution.
  • This can also relate to the second light source arrangement 6, since the TIR optical body of the second light source arrangement 6 aligns the light beams in parallel only to a limited extent, with the cover plate 8 in the area in which the light beams from the second light source arrangement 6 are incident is likewise designed to align or shape the light beams in parallel.
  • the light source 6a of the second light source arrangement 6 is arranged in the focal point or the focal plane of the cover plate 8 or the respective optical area of the cover plate 8 , but essentially the emission surface of the TIR optical body 6b, the focal point here or focal plane of that region of the cover plate 8 is meant in which the light rays of the second light source arrangement 6 are essentially incident.
  • FIG. 4 Another possible example is in Fig. 4 shown.
  • the first reflector 4, 4 ' is designed as a parabolic reflector 4' or as a totally reflecting surface of TIR optics and the second reflector 5, 5 ' as a hyperbolic reflector 5' or as a totally reflecting surface of TIR optics.
  • Exemplary beam paths with the aid of the second virtual focal point f4 are also shown in FIG Fig. 4 shown, the principle arrangement being essentially equivalent to the previous examples.
  • Configurations are also possible in which only one of the two reflectors 4, 4 ', 5, 5' is designed as a totally reflecting surface of TIR optics and the other is not.
  • the invention can be used to generate the "high beam” light function, the lighting device 1 generating a light distribution for this "high beam” light function which, when the lighting device 1 is installed in a vehicle, is one of the legal requirements in front of the vehicle High beam distribution corresponding to requirements is generated, with the second light source arrangement 6 being able to function as a switchable high beam for this purpose.
  • such a lighting device 1 can be used to generate the "low beam” light function, the lighting device generating a light distribution for this "low beam” light function which, when the lighting device 1 is installed in a vehicle, in front of the vehicle is a legal requirement Requirements corresponding low beam distribution generated.
  • such a lighting device 1 can be used to generate the light function "fog light", the lighting device 1 generating a light distribution in this light function "fog light” which, when the lighting device 1 is installed in a vehicle, is one in front of the vehicle Fog light distribution corresponding to legal requirements or a bad weather light distribution is generated.
  • such a lighting device 1 can be used to generate the light function "daytime running lights", the lighting device 1 generating a light distribution for this light function "daytime running lights” which, when the lighting device 1 is installed in a vehicle, is one in front of the vehicle daytime running light distribution corresponding to legal requirements.
  • the light functions and light distributions mentioned above are not exhaustive, the lighting devices also being able to generate combinations of these light functions and / or only generating a partial light distribution, for example only part of a high beam, low beam, fog or daytime running light distribution.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)

Claims (17)

  1. Dispositif d'éclairage (1) d'un phare de véhicule à moteur, lequel dispositif d'éclairage (1) comprend
    - un premier agencement de source lumineuse (2) comprenant au moins un dispositif laser (2a) et au moins une surface d'éclairage (2b) ayant un élément de conversion de lumière,
    - un dispositif de mise en forme de la lumière (3) disposé en aval du premier agencement de source de lumière (2),
    - un premier réflecteur (4, 4') ayant un premier point focal (f1) et un deuxième réflecteur (5, 5') ayant un deuxième point focal (f2), les deux réflecteurs (4, 4', 5, 5') formant un système optique
    - un deuxième dispositif de source lumineuse supplémentaire (6) qui est disposé sur le côté extérieur du deuxième réflecteur (5, 5') par rapport à la surface réfléchissante du deuxième réflecteur (5, 5'), un évidement étant prévu à cet effet sur le deuxième réflecteur (5, 5'), afin que la lumière émise par le deuxième dispositif de source lumineuse (6) soit émise sensiblement dans la même direction que les rayons lumineux réfléchis par le deuxième réflecteur (5, 5'), et
    - un disque de fermeture (8) positionné dans l'ouverture de sortie du second réflecteur (5, 5') pour utiliser une projection commune des premier et second arrangements de source de lumière (2, 6),
    dans lequel la lumière émise par le premier agencement de source lumineuse (2) est dirigée via le dispositif de mise en forme de la lumière (3) sur le premier réflecteur (4, 4') opposé au premier agencement de source lumineuse (2) dans la direction d'émission, dans lequel le premier réflecteur (4, 4') dévie les rayons lumineux regroupés au premier foyer (f1) sur le deuxième réflecteur (5, 5'), qui est conçu et disposé par rapport au premier réflecteur (4,4') de telle sorte que le premier foyer (f1) du premier réflecteur (4, 4') coïncide sensiblement avec le deuxième foyer (f2) du deuxième réflecteur (5, 5'), 5') coïncident sensiblement, et les faisceaux lumineux réfléchis par le deuxième réflecteur (5, 5') sont émis dans une direction de sortie souhaitée, de préférence la direction de déplacement, à travers la lentille de recouvrement (8) sous la forme d'une distribution de lumière définie, le deuxième dispositif de source lumineuse (6) émettant une lumière supplémentaire avec une caractéristique de rayonnement qui diffère de celle du premier dispositif de source lumineuse (2) à travers l'évidement dans le deuxième réflecteur (5, 5') et la lentille de recouvrement (8) dans la direction de sortie souhaitée.
  2. Dispositif d'éclairage (1) selon la revendication 1, caractérisé en ce que l'au moins un deuxième agencement de source de lumière (6) est disposé dans une région du deuxième réflecteur (5, 5') dans laquelle sensiblement aucune lumière du premier agencement de source de lumière (2) n'est dirigée par le premier réflecteur (4, 4').
  3. Dispositif d'éclairage (1) selon l'une des revendications 1 ou 2, caractérisé en ce que le deuxième dispositif de source lumineuse (6) comprend au moins une source lumineuse (6a), la au moins une source lumineuse (6a) du deuxième dispositif de source lumineuse (6) étant de préférence conçue comme une source lumineuse LED.
  4. Dispositif d'éclairage (1) selon l'une quelconque des revendications 1 à 3, caractérisé en ce que le premier réflecteur (4, 4') est conçu comme un réflecteur hyperbolique (4) avec un premier foyer (f1) et un premier foyer virtuel (f3), le dispositif de mise en forme de la lumière (3) étant de préférence conçu de telle sorte que la lumière du premier agencement de sources lumineuses (2) est concentrée sous forme de rayons lumineux sur le premier foyer virtuel (f3) du premier réflecteur (4).
  5. Dispositif d'éclairage (1) selon l'une quelconque des revendications 1 à 3, caractérisé en ce que le premier réflecteur (4, 4') est réalisé sous la forme d'un réflecteur parabolique (4') avec un premier foyer (f1), le dispositif de mise en forme de la lumière (3) étant de préférence réalisé sous la forme d'un collimateur (3), le collimateur (3) projetant les rayons lumineux du premier agencement de source lumineuse (2) sous la forme de rayons lumineux parallèles sur le premier réflecteur (4').
  6. Dispositif d'éclairage (1) selon l'une quelconque des revendications 1 à 5, caractérisé en ce que le deuxième réflecteur (5, 5') est conçu comme un réflecteur parabolique (5') avec un deuxième foyer (f2), de préférence le deuxième dispositif de source lumineuse (6) comprenant un corps optique TIR (6b).
  7. Dispositif d'éclairage (1) selon l'une quelconque des revendications 1 à 5, caractérisé en ce que le deuxième réflecteur (5, 5') est conçu comme un réflecteur hyperbolique (5) avec un deuxième foyer (f2) et un deuxième foyer virtuel (f4).
  8. Dispositif d'éclairage (1) selon la revendication 7, caractérisé en ce que la au moins une source de lumière (6a) du deuxième agencement de sources de lumière (6) est disposée dans le deuxième foyer virtuel (f4) du deuxième réflecteur (5).
  9. Dispositif d'éclairage (1) selon l'une quelconque des revendications 6 ou 8, caractérisé en ce que la lentille de recouvrement (8) est plate ou plane.
  10. Dispositif d'éclairage (1) selon l'une quelconque des revendications 1 à 9, caractérisé, en ce que le premier réflecteur (4, 4') est conçu comme une surface de réflexion totale d'un système optique TIR.
  11. Dispositif d'éclairage (1) selon l'une quelconque des revendications 1 à 10, caractérisé en ce que le deuxième réflecteur (5, 5') est conçu comme une surface totalement réfléchissante d'une optique TIR.
  12. Dispositif d'éclairage (1) selon l'une des revendications 1 à 11, caractérisé en ce qu'entre le premier réflecteur (4, 4') et le deuxième réflecteur (5, 5') pour la réalisation ou l'optimisation d'une ligne claire/ sombre, un diaphragme de faisceau (7) est fourni.
  13. Dispositif d'éclairage (1) selon l'une des revendications 1 à 12, caractérisé en ce que le premier réflecteur (4, 4') comporte des systèmes de sécurité actifs et/ou passifs (9).
  14. Dispositif d'éclairage (1) selon l'une quelconque des revendications 1 à 13, caractérisé en ce que le système optique formé par les premier et deuxième réflecteurs (4,4', 5, 5') est réalisé en une seule pièce.
  15. Dispositif d'éclairage (1) selon l'une quelconque des revendications 10 à 14, caractérisé en ce que le système optique formé par les premier et deuxième réflecteurs (4, 4', 5, 5'), le corps optique TIR (6b) du deuxième agencement de source lumineuse (6) et le dispositif de mise en forme de la lumière (3) sont formés d'un seul tenant.
  16. Dispositif d'éclairage (1) selon l'une quelconque des revendications 1 à 15, caractérisé en ce que la lentille de recouvrement (8) présente une ou plusieurs zones optiques qui sont conçues comme des optiques de projection de mise en forme de la lumière afin d'orienter les faisceaux lumineux incidents horizontalement et/ou verticalement en parallèle, la lentille de recouvrement (8) étant de préférence entièrement constituée d'une ou plusieurs zones optiques.
  17. Projecteur de véhicule automobile comportant un ou plusieurs dispositifs d'éclairage (1) selon l'une des revendications 1 à 16.
EP17787308.0A 2016-11-22 2017-10-11 Dispositif d'illumination d'un phare de véhicule Active EP3545229B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA51057/2016A AT519119B1 (de) 2016-11-22 2016-11-22 Beleuchtungseinrichtung eines kraftfahrzeugscheinwerfers
PCT/AT2017/060260 WO2018094431A1 (fr) 2016-11-22 2017-10-11 Moyen d'éclairage pour un projecteur de véhicule automobile

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EP3545229B1 true EP3545229B1 (fr) 2021-07-14

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EP (1) EP3545229B1 (fr)
JP (1) JP6506885B2 (fr)
CN (1) CN108351084B (fr)
AT (1) AT519119B1 (fr)
WO (1) WO2018094431A1 (fr)

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WO2024089285A1 (fr) * 2022-10-28 2024-05-02 Valeo Vision Dispositif d'éclairage pour un véhicule automobile

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CN110953551A (zh) 2018-09-27 2020-04-03 法雷奥照明湖北技术中心有限公司 光学元件、光学模块和车辆
EP3653926B1 (fr) * 2018-11-19 2022-02-16 ZKW Group GmbH Dispositif d'éclairage pour un phare de véhicule automobile ainsi que phare de véhicule automobile
EP3657066B1 (fr) * 2018-11-22 2020-12-30 ZKW Group GmbH Unité d'éclairage pour un phare de véhicule automobile destinée à générer une répartition lumineuse à coupure
KR102558734B1 (ko) * 2018-12-26 2023-07-25 에스엘 주식회사 차량용 램프
JP2022533587A (ja) * 2019-06-05 2022-07-25 ▲華▼域▲視▼▲覺▼科技（上▲海▼）有限公司 車両ランプの光学素子、車両ランプモジュール、車両ヘッドランプ、及び車両
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JP2021163628A (ja) * 2020-03-31 2021-10-11 市光工業株式会社 車両用灯具
KR20210128244A (ko) * 2020-04-16 2021-10-26 현대모비스 주식회사 자동차용 램프 및 그 램프를 포함하는 자동차
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FR3141505A1 (fr) * 2022-10-28 2024-05-03 Valeo Vision Dispositif d'éclairage pour un véhicule automobile

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US20190316749A1 (en) 2019-10-17
JP6506885B2 (ja) 2019-04-24
US10451237B1 (en) 2019-10-22
AT519119B1 (de) 2018-04-15
CN108351084A (zh) 2018-07-31
CN108351084B (zh) 2020-07-10
JP2018538656A (ja) 2018-12-27
EP3545229A1 (fr) 2019-10-02
WO2018094431A1 (fr) 2018-05-31
AT519119A4 (de) 2018-04-15

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