EP2745042A1 - Phare de véhicule avec source lumineuse à laser - Google Patents

Phare de véhicule avec source lumineuse à laser

Info

Publication number
EP2745042A1
EP2745042A1 EP13714533.0A EP13714533A EP2745042A1 EP 2745042 A1 EP2745042 A1 EP 2745042A1 EP 13714533 A EP13714533 A EP 13714533A EP 2745042 A1 EP2745042 A1 EP 2745042A1
Authority
EP
European Patent Office
Prior art keywords
laser light
light source
vehicle headlight
vehicle
luminous element
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
EP13714533.0A
Other languages
German (de)
English (en)
Other versions
EP2745042B1 (fr
Inventor
Friedrich Bauer
Andreas Moser
Johann ALTMANN
Erich Kaufmann
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
Original Assignee
Zizala Lichtsysteme 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=48049716&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2745042(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Zizala Lichtsysteme GmbH filed Critical Zizala Lichtsysteme GmbH
Publication of EP2745042A1 publication Critical patent/EP2745042A1/fr
Application granted granted Critical
Publication of EP2745042B1 publication Critical patent/EP2745042B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • 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
    • F21S41/19—Attachment of light sources or lamp holders
    • 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
    • F21S41/12—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of emitted light
    • F21S41/13—Ultraviolet light; Infrared 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
    • F21S41/10—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
    • 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
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
    • F21S45/10—Protection of lighting devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
    • F21S45/40—Cooling of lighting devices
    • F21S45/42—Forced cooling
    • F21S45/43—Forced cooling using gas
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
    • F21S45/40—Cooling of lighting devices
    • F21S45/49—Attachment of the cooling means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
    • F21S45/60—Heating of lighting devices, e.g. for demisting
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
    • F21S45/70—Prevention of harmful light leakage
    • 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

Definitions

  • the invention relates to a vehicle headlamp having at least one laser light source, at least one illuminating element which can be excited to emit visible light, which can be irradiated by the laser light source, and at least one imaging optical element, for example a reflector and / or a lens.
  • a light source for example, a phosphorus compound or a cerium-doped YAG crystal
  • a laser light source for example, a phosphorus compound or a cerium-doped YAG crystal
  • the phosphor converter thus converts laser light into light of other wavelengths.
  • US 2011/0194302 Al shows such a light source, where a laser diode radiates via a light guide from behind on a fluorescent substance, which in turn emits visible light, which is directed over a reflector screen in the direction of travel.
  • the laser light sources used for this purpose emit energies of up to 3 W in the main emission direction of the headlamp; in the event of a malfunction or damage to the headlamp, high-intensity, eye-damaging laser light radiation can lead to injuries or endanger other road users.
  • This object is achieved with a vehicle headlight mentioned above according to the invention in that the laser light source in the main emission direction of the vehicle headlight Fers seen before the light-emitting element is arranged, so that the light of the laser light source is emitted against the main emission of the vehicle headlight.
  • the vehicle headlamp according to the invention emits the laser radiation counter to the main beam direction, even in the event of malfunction or damage to the headlamp, the laser radiation can not escape. Other road users are not endangered if the headlight is damaged, for example, by an accident.
  • the imaging optical element e.g., reflector, lens
  • the invention allows the realization of a vehicle headlamp, which can meet the legal requirements such as ECE, SAE, CCC, etc.
  • the beam direction of the laser light source extends at an angle between 0 ° and 90 ° to the optical axis of the vehicle headlight.
  • This can be arranged in various ways depending on the available space and application, the laser light source.
  • the inventive advantage of the radiation against the main emission of the headlamp and thus the protection of other road users in case of damage or malfunction are ensured.
  • the laser light source is arranged with respect to the luminous element on a cone shell of a straight circular cone, the tip of the circular cone lies in the luminous element, the cone axis is parallel to the optical axis of the vehicle headlight and the generatrix of the cone sheath on which the laser light source is arranged, parallel to the beam direction the laser light source runs.
  • the laser light source can thus be positioned in a variety of ways, wherein it can be arranged on its surface line either in the region of the cone base or at any position between the apex of the cone and the point of intersection between the cone tip and the base surface.
  • the luminous element is arranged on the optical axis of the vehicle headlight.
  • the luminous element is arranged in a focal point of the reflector. This makes it possible to ensure optimal utilization of the light emitted by the luminous element or to achieve a high luminance.
  • at least one lens element in particular a collecting lens element, is arranged between the laser light source and the luminous element.
  • the irradiation of the laser light into the luminous element can be optimized, in particular with regard to the excitation energy distribution in the luminous element.
  • the energy of the laser light source can be advantageously concentrated on or in the luminous element. In addition, it is ensured by the concentration of light on the light element even with shake-induced minimal shifts of the light source by the resulting tolerances that the light element is taskally made by the laser light and the headlamp lights.
  • the laser light source is arranged below a running in the installed state of the vehicle headlamp through the optical axis of the vehicle headlamp horizontal plane.
  • the operation of laser light sources usually produces a lot of waste heat.
  • the vehicle headlight has a cover disk and the laser light source is arranged so close to the cover disk that the cover disk can be heated by means of the waste heat of the laser light source.
  • the waste heat of the laser light source can be used to dethrone or defrost the cover of the vehicle headlight.
  • the laser light source has at least one heat sink and / or at least one ventilation device.
  • the heat sink consists for example of a thermally conductive material, which may be provided on its surface with additional heat dissipating elements such as cooling fins.
  • the ventilation device may be, for example, a ventilation device with which cool air can be brought to the heat sink or to the laser light source and at the same time warm air can be removed.
  • At least one design aperture element surrounding the laser light source as privacy screen is provided.
  • This design aperture element can be embodied as a cover or envelope of the laser light source and serves inter alia to prevent the laser light source from being visible from the outside.
  • the laser light source is arranged inside or below this design diaphragm element.
  • the design diaphragm element has at least one design diaphragm opening, which is preferably nozzle-shaped is executed.
  • the nozzle aperture opening is favorably oriented in the direction of a cover of the vehicle headlight.
  • the waste heat of the laser light source in the direction of the cover.
  • the term "nozzle-shaped" is to be understood here as an embodiment which permits an alignment of the air flow passing through the design aperture opening.
  • the said invention is implemented as a free-jet concept, the laser light source therefore radiates directly onto the luminous element.
  • at least one light-guiding element is arranged between the laser light source and the luminous element.
  • the light guide serves mainly to compensate for deviations of the beam direction of the laser light source of the ideal beam direction, so that the light of the laser light source optimally guided in the direction of the light emitting element (or bundled depending on the design of the light guide).
  • This light-guiding element consists of a light-conducting material, for example plastic such as polycarbonate (PC) or polymethyl methacrylate (PMMA or plexiglass) or glass, and can be shaped as desired, for example tubular, conical or cylindrical.
  • a design as a funnel-shaped concen- trator element for example made of glass, whereby, similar to a luminous bar, the total reflection at the boundary surfaces of the concentrator element is utilized.
  • the light-guiding element can be provided with irregularities, for example on the surface (in the form of microstructures), which deflect the laser light and thus cause the light-conducting element to shine, which can be used as a design element. For example, when using a blue laser light source such a blue eyes that do not endanger the eyes can be generated.
  • At least one diaphragm element is provided for shielding laser light emerging from the vehicle headlight.
  • Such diaphragm elements can be designed, for example, with an absorbent or opaque surface or with a surface which prevents the passage of laser light.
  • these diaphragm elements can be arranged in areas where laser light could otherwise escape from the vehicle headlight by reflection, or the diaphragm element can be designed as a device surrounding the laser beam (or the above-mentioned light guide elements).
  • FIG. 1 is a partial cross-sectional view of a vehicle headlamp according to the invention.
  • Fig. 2 is an illustration of the possible relative arrangement of laser light source and light emitting element according to a variant of the invention.
  • a vehicle headlight 1 is shown in a sectional view in cross section. Only the essential features for the understanding of the invention are shown, since those skilled in the other elements of a vehicle headlamp are known.
  • the vehicle headlight 1 comprises a laser light source 2 which emits, for example, in a wavelength range between 200 nm and 450 nm, that is to say partially in the non-visible UV range.
  • the power of the laser light source 2 is currently between 0.5 and 2 W, but may be higher.
  • the laser light source 2 is, for example, a semiconductor laser in the form of a laser diode or a VCSEL (Vertical Cavity Surface Emitting Laser). It is also possible to provide a plurality of laser light sources 2, for example in the form of laser diode arrays.
  • the laser light source 2 has to dissipate the heat generated during operation in the illustrated embodiment, a heat sink 15 and a ventilation device 16 - the ventilation device 16 serves here, the cooling body 15 to supply cool air or dissipate heated air.
  • the ventilation device 16 may for example comprise a ventilation device.
  • the heat sink 15 may be made of a suitable material and in addition, for example, cooling fins or the like. exhibit.
  • a luminous element 3 is provided which is spherical in the present embodiment. The spherical design is only one of several possible configurations, the light-emitting element 3 can also be designed differently.
  • the luminous element 3 is preferably a phosphor converter, which can be excited by the light of the laser light source 2 in a known manner for the emission of visible light.
  • a phosphor converter which can be excited by the light of the laser light source 2 in a known manner for the emission of visible light.
  • all materials which convert monochromatic laser light into light of other wavelengths preferably white light which results from superimposition
  • the phosphorus converter is thus a light converter - the electrons of the converter material are excited by the laser light into higher energy levels and emit light when falling back the wavelength difference corresponding to the level difference.
  • the luminous element 3 is arranged in a reflector 4, which directs the light emitted by the luminous element 3 in the main emission direction 100 of the vehicle headlamp 1.
  • the main emission direction 100 in the present example in FIG. 1 runs from left to right.
  • the reflector 4 may be arranged to be pivotable and / or adjustable, which is not shown in the figures for reasons of clarity. Basically, any embodiments of the reflector 4 are possible, it can free-form variants as well as parabolas, hyperbola, ellipses or combination thereof come as a reflector surface used.
  • the reflector 4 can be seen in Fig. 1 as a cross section and can be designed as a half-shell (only the upper or lower half is available) or as a full reflector, the skilled person a number of variants for the reflector 4 is known.
  • the luminous element 3 is arranged on the optical axis 400 of the vehicle headlight 1 in a focal point of the reflector 4.
  • the reflector 4 can also be designed as an open space reflector with a plurality of different focal points, wherein according to the illustrated embodiment, the luminous element 3 is arranged precisely in one of these focal points.
  • the vehicle- Headlight 1 is closed by a cover 8.
  • the cover 8 can be made arbitrarily, but is preferably largely transparent.
  • the desired light image of the vehicle headlamp 1 is generated.
  • a support element 5 is provided - the support element 5 is here provided with cooling fins 6, which serve to derive the heat generated during the light generation in the luminous element.
  • the cooling fins 6 are only one example of heat sinks that can be used here - a number of possibilities are known to the skilled person in this regard, so will not be discussed in detail here.
  • the laser light source 2 and the luminous element 3 are arranged so that the light of the laser light source 2 is emitted counter to the main emission direction 100 of the vehicle headlight 1.
  • the beam direction 200 of the laser light source 2 thus runs opposite to the main emission direction 100 of the vehicle headlight 1. This prevents that in the event of damage to the vehicle headlight 1 or a malfunction, the light of the laser light source 2 escape and may endanger other road users.
  • the beam direction 200 of the laser light source 2 preferably extends at an acute angle 300 to the main emission direction 100 of the vehicle headlight 1 or to its optical axis 400.
  • the angle 300 can thus lie between 0 ° and 90 °.
  • An angle of 0 ° thus means that the laser light source 2 is arranged on the optical axis 400 of the vehicle headlight 1 in the main beam direction 100 behind the luminous element 3.
  • an angle 300 of 90 ° means that the beam direction 200 of the laser light source 2 is normal to the optical axis 400 of the vehicle headlight 1.
  • Optical axis 400 and main emission 100 of the vehicle headlight 1 are substantially parallel to each other. Depending on the available space for the vehicle headlight 1 or desired field of application so light source 2 and light element 3 can be arranged to each other.
  • the arrangement of the laser light source 2 with respect to the luminous element 3 can be abstracted by means of a circular cone.
  • the laser light source 2 with respect to the luminous element 3 is substantially on a conical surface of a arranged straight cone 11, wherein the tip of the circular cone is located in the light emitting element 3, the cone axis 500 is parallel to the optical axis 400 of the vehicle headlamp 1 and the generating line 12 of the cone sheath on which the laser light source 2 is disposed, parallel to the beam direction 200 of the laser light source 2 ,
  • the laser light source 2 can be arranged at any point of its associated surface line 12, ie either where the surface line intersects the base of the circular cone 11 or somewhere between this intersection and the luminous element 3.
  • the angle 300 between beam direction 200 of the laser light source 2 and the optical axis 400 of the vehicle headlamp, or between generatrix 12 and cone axis 500, represents half the opening angle of the circular cone 11. Depending on the value selected for the angle 300 so the shape of the circular cone changes.
  • a number of elements can be arranged.
  • an optical element in the form of a converging lens element 7 is arranged immediately after the laser light source 2.
  • This converging lens concentrates the light of the laser light source 2 in the direction of the luminous element 3.
  • any other optical elements can be used, for example, lenses and / or prisms of various kinds.
  • a light-guiding element 9 which is designed in the illustrated embodiment is substantially funnel-shaped or with a parabolic-conical shape and the light coming from the laser light source 2 leads to the light emitting element 3.
  • the light-guiding element 9 is designed similar to a "compound parabolic concentrator", ie it is designed to be reflective on the inside of its shell, so that light entering in combination with the funnel-like shape is brought together in the direction of the exit of the light-guiding element 9.
  • the total reflection at the Such a light-guiding element 9 allows greater tolerances with regard to the relative positioning between light source 2 and luminous element 3, for example if the light source 2 is replaced due to repair or if the laser light source 2 is no longer in the optimum position due to vibrations during operation.
  • the light-guiding element 9 can also be designed as a continuous light guide between the laser light source 2 and the light-emitting element 3, for example in tubular, conical, Cylindrical or other shape.
  • collecting lens element 7 and light guide 9 are connected via an example tubular or solid executed intermediate part, wherein collecting lens element 7, light guide 9 and intermediate part can also be made in one piece.
  • irregularities such as inclusions or microstructures can be provided which deflect the laser light or scatter, make visible from the outside and thus serve as a design element.
  • the diaphragm element 13 in FIG. 1 represents an embodiment of such elements. It prevents emission of such reflections from the vehicle headlight 1.
  • the said optics, light-guiding elements 9 and absorbing elements such as the diaphragm element 13 can also be provided with anti-reflective surfaces or designed so that they only reflect or absorb light in the wavelength range of the laser light, but translucent for visible light are executed and thus allow a look at the headlight components.
  • the diaphragm element 13 can also be embodied such that it envelops the entire free-jet region of the laser light, for example in the form of a tube with a semicircular cross-section ("half-pipe"). In a further variant, it can be embodied as half-mirrored and / or for design reasons with its own light source (eg a blue LED).
  • the invention according to the above embodiments allows the realization of a vehicle headlamp, which can meet the legal requirements such as ECE, SAE, CCC, etc.
  • Another advantage of the invention is that the heat generated during operation of the laser light source 2 waste heat can be used.
  • the laser light source 2 is arranged close to the cover plate 8 below a horizontal plane running through the optical axis 400 of the vehicle headlight 1 in the installed state of the vehicle headlight 1.
  • the horizontal plane extends in Fig. 1 normal to the plane of the drawing through the optical axis 400 of the vehicle headlight.
  • the laser light source 2 is arranged so close to the cover plate 8 that the cover 8 can be heated by means of the waste heat of the laser light source 2.
  • the waste heat can be used for defrosting and deicing the cover 8.
  • the ventilation device 16 of the laser light source 2 can be used to assist by steering the waste heat stream.
  • FIG. 1 A further advantageous variant is shown in Fig. 1, where a laser light source 2 surrounding the screen as a visual protection design aperture element 10 is provided, which is made for example of plastic.
  • the purpose of the design aperture element 10 is primarily to cover the laser light source 2, so that it is not visible from outside the vehicle headlight 1.
  • the laser light source 2 is accordingly positioned inside or below the design aperture element 10.
  • the design shutter member 10 according to the illustrated embodiment has design orifices 17 for passing the waste heat. These design apertures 17 are advantageously oriented in the direction of the cover 8 of the vehicle headlight 1 and, according to a variant, can have a nozzle-like shape, so that the air flow 18 caused by the waste heat of the laser light source 2 can be directed in a targeted manner.
  • nozzle-like shape is here to be understood a shape that allows the steering of the through the design orifices 17 passing air flow to meet the above object.
  • the defrosting and deicing, or quite generally the benefits of the waste heat of the laser light source 2 can be done even more efficient.

Landscapes

  • 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)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)

Abstract

L'invention concerne un phare de véhicule (1) comprenant au moins une source lumineuse à laser (2), au moins un élément lumineux (3) à exciter pour entraîner le rayonnement d'une lumière visible, lequel peut être éclairé par la source lumineuse à laser (2) et au moins un élément optique de formation d'image, tel qu'un réflecteur (4) et/ou une lentille, la source lumineuse à laser (2), vue dans la direction principale de rayonnement (100) du phare de véhicule (1), étant disposée devant l'élément lumineux, la lumière de la source lumineuse à laser (2) étant diffusée à l'encontre de la direction principale de rayonnement (100) du phare de véhicule (1).
EP13714533.0A 2012-03-12 2013-02-28 Phare de véhicule avec source lumineuse à laser Active EP2745042B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA50070/2012A AT512591B1 (de) 2012-03-12 2012-03-12 Fahrzeugscheinwerfer mit Laserlichtquelle
PCT/AT2013/050051 WO2013134804A1 (fr) 2012-03-12 2013-02-28 Phare de véhicule avec source lumineuse à laser

Publications (2)

Publication Number Publication Date
EP2745042A1 true EP2745042A1 (fr) 2014-06-25
EP2745042B1 EP2745042B1 (fr) 2016-02-24

Family

ID=48049716

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13714533.0A Active EP2745042B1 (fr) 2012-03-12 2013-02-28 Phare de véhicule avec source lumineuse à laser

Country Status (9)

Country Link
US (1) US9611994B2 (fr)
EP (1) EP2745042B1 (fr)
JP (2) JP6103446B2 (fr)
CN (1) CN104160208B (fr)
AT (1) AT512591B1 (fr)
BR (1) BR112014010269A2 (fr)
IN (1) IN2014MN01171A (fr)
MX (1) MX2014007019A (fr)
WO (1) WO2013134804A1 (fr)

Families Citing this family (15)

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AT513816B1 (de) 2012-12-20 2015-11-15 Zizala Lichtsysteme Gmbh Lichtführungseinheit für eine Leuchteinheit eines Scheinwerfers sowie Leuchteinheit und Schweinwerfer
TWI565606B (zh) * 2013-06-27 2017-01-11 鴻海精密工業股份有限公司 機動車照明裝置
DE102014118403A1 (de) 2014-04-07 2015-10-08 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Kraftfahrzeugscheinwerfer
JP6352429B2 (ja) * 2014-09-02 2018-07-04 シャープ株式会社 発光装置、照明装置、車両用前照灯および制御システム
FR3028596B1 (fr) * 2014-11-13 2019-07-12 Psa Automobiles Sa. Dispositif d'eclairage de vehicule
KR102294317B1 (ko) * 2015-01-30 2021-08-26 엘지이노텍 주식회사 발광 장치
FR3048065B1 (fr) * 2016-02-23 2019-11-29 Valeo Vision Module et dispositif d'eclairage a encombrement reduit pour vehicule automobile
FR3051889B1 (fr) * 2016-05-31 2020-03-06 Valeo Vision Dispositif d'eclairage et/ou de signalisation pour vehicule automobile equipe d'un module lumineux refroidi au moyen d'un generateur d'un flux d'air
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EP2745042B1 (fr) 2016-02-24
BR112014010269A2 (pt) 2017-04-18
JP6103446B2 (ja) 2017-03-29
US20140321148A1 (en) 2014-10-30
JP2015502628A (ja) 2015-01-22
AT512591A1 (de) 2013-09-15
CN104160208A (zh) 2014-11-19
JP6176463B2 (ja) 2017-08-09
WO2013134804A1 (fr) 2013-09-19
CN104160208B (zh) 2017-03-08
JP2016028397A (ja) 2016-02-25
IN2014MN01171A (fr) 2015-07-03
AT512591B1 (de) 2014-06-15
US9611994B2 (en) 2017-04-04
MX2014007019A (es) 2014-07-22

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