EP3420269B1 - Phare pour véhicules - Google Patents

Phare pour véhicules Download PDF

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Publication number
EP3420269B1
EP3420269B1 EP17704374.2A EP17704374A EP3420269B1 EP 3420269 B1 EP3420269 B1 EP 3420269B1 EP 17704374 A EP17704374 A EP 17704374A EP 3420269 B1 EP3420269 B1 EP 3420269B1
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EP
European Patent Office
Prior art keywords
light
optical system
light sources
assigned
micro
Prior art date
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Active
Application number
EP17704374.2A
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German (de)
English (en)
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EP3420269A1 (fr
Inventor
Matthias Mayer
Stefan MITTERLEHNER
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 EP3420269A1 publication Critical patent/EP3420269A1/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
    • F21S41/20—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
    • F21S41/10—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
    • F21S41/20—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
    • F21S41/25—Projection lenses
    • F21S41/265—Composite lenses; Lenses with a patch-like shape
    • 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
    • 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
    • F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
    • F21S41/67—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on reflectors
    • F21S41/675—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on reflectors by moving reflectors

Definitions

  • the invention relates to a headlamp for vehicles, with at least one light source and one of these associated optical optics, with a micromirror array and formed as a lens imaging optics, wherein the light source and the micromirror array is associated with a central processing unit with a light source drive and an array drive in that the shaped light beams of the at least one light source are directed onto the micromirror array and that the reflected light bundle structured by the latter is projected via the imaging optics as a light image into the traffic space.
  • headlight is to be understood in the context of the present invention not only a complete vehicle headlight but also a lighting unit, which may form part of a headlamp, for example, together with other lighting units.
  • the lighting starting point is at least one laser light source emitting a laser beam, and which is associated with a laser drive for power supply and for monitoring the laser emission or eg is used for temperature control and is also set up to modulate the intensity of the emitted laser beam.
  • modulating it is to be understood that the intensity of the laser light source can be changed, be it pulsed continuously or in the sense of switching on and off. It is essential that the light output can be changed dynamically analogously, depending on which angular position a mirror deflecting the laser beam is. In addition, there is still the possibility of switching on and off for a certain time, not to illuminate or hide defined places.
  • the control of the laser light sources and the micromirror serving for beam deflection takes place via a computing unit, also called ECU for short (electronic or engine control unit).
  • a computing unit also called ECU for short (electronic or engine control unit).
  • An example of a dynamic drive concept for generating an image by a scanning laser beam is approximately in the document AT 514633 the applicant described.
  • headlights have become known which use as light processing elements imagers, the large number of controllable Have pixel fields. That's how it shows DE 10 2013 215 374 A1 Solutions in which the light of a light source is directed via a light guide to an LCD imager to a LCoS chip or to a micromirror array (“DMD”) to then be projected onto the lane via projection optics.
  • DMD micromirror array
  • the document DE 11 2013 003 050 T5 discloses a vehicle lamp in which the light of two LEDs is directed via a respective reflector on a DMD, from where it is projected via a projection lens on the road. On the DMD different illumination patterns can be generated, which are reproduced by the projection lens on the road.
  • the document FR 3 008 477 A1 shows a vehicle lamp with a projection lens and two light sources whose light is directed to generate two light fields via two different mirror elements to the projection lens and from there into the traffic area.
  • conventional lenses are used as imaging optics, in which no distinction can be made in areas of different refractive power.
  • DMD is an acronym used for "Digital Micromirror Device", thus for a micromirror array or micromirror matrix. Such a micromirror array has very small dimensions, typically on the order of 10 mm.
  • micro-mirror actuators are arranged like a matrix, wherein each individual mirror element, which for example has an edge length of about 16 microns, by a certain angle, for example 20 °, tiltable, for example by electromagnetic or piezoelectric actuators.
  • the end positions of a micromirror are referred to as ON state and OFF state, wherein ON state means that light from the micromirror passes through the imaging optics on the road, whereas in the OFF state, for example, it is directed to an absorber.
  • absorbers or absorber surfaces are used, which absorb the otherwise harmful light rays and convert them into heat.
  • Each micromirror is individually adjustable in angle, whereby between the end positions within a second up to 5000 times can be changed.
  • the number of mirrors corresponds to the resolution of the projected image, where a mirror can represent one or more pixels. Meanwhile, DMD chips with high resolutions in the megapixel range are available.
  • the underlying technology for single-level variable mirrors is Micro-Electro-Mechanical Systems (MEMS) technology.
  • MEMS Micro-Electro-Mechanical Systems
  • the "Analog Micromirror Device” (AMD) technology has the property that the individual mirrors can be set in variable mirror positions.
  • a headlight based on a micromirror array is for example in the DE 195 30 008 A1 described.
  • the design of a luminance pattern is carried out not only via the modulation of the primary light source but also via different array controls for different light distributions, such as high beam, low beam with or without asymmetry, Ausblendszenarien etc., with different array activations activate the individual micromirror elements as a function of the desired light distribution.
  • An object of the invention is to provide a headlamp, which is inexpensive to produce, but still has a great freedom of design with regard to the producible photographs.
  • a headlamp of the type mentioned in which at least two light sources are provided according to the invention, the light beams are directed to a micromirror array common to the light sources and two superimposed areas of an imaging optics with different refractive power for two image areas of the light beam reflected by this Photograph are assigned.
  • multiple light functions can be realized with a single micromirror array and a single imaging optic, which simplifies the overall design and makes it less expensive.
  • the shaped light beams of the light sources are directed onto the micromirror array at different angles of incidence.
  • the active mirror surface of the micromirror array is subdivided into partial regions which are assigned to the individual light sources.
  • each light source is assigned an illumination optical system located between it and the common micromirror array.
  • the lens body is located in the front region of the headlamp and a partial optical system designed as a lens / lens system is arranged between the micromirror array and the lens body.
  • Another advantageous embodiment is characterized in that one region of the single imaging optics is assigned to one of the multiple light sources, whereas the further region of the imaging optics is assigned to two or more light sources.
  • a motor vehicle headlamp contains many other parts that allow its meaningful use in a motor vehicle, in particular a car or motorcycle.
  • Photometric starting point of the headlamp are in the present case, two light sources 1 A and 1B, each emit a light beam 2A, 2B , and which a control 3 is assigned, said control 3 for powering the light sources 1A and 1B and for monitoring or eg Temperature control is used and can also be configured to modulate the intensity of the radiated light beam.
  • modulating in the context of the present invention is meant that the intensity of the light source can be changed, whether continuous or pulsed, in the sense of switching on and off. In addition, there is the possibility of switching on and off for a certain time.
  • LED light sources are not only excited by laser radiation phosphorus elements in question, but it can also classic LEDs or high-current LEDs are used. It can also find so-called "LED packages” use, in addition to a small, for example, 1 to 2 mm 2 large light-emitting surface and the substrate on the LED board and their Include support plate.
  • LED light sources are used, which can be operated at high currents in order to achieve the highest possible luminous flux on the DMD chip as high as possible.
  • the drive signals of the light sources are designated U SA and U SB .
  • the control 3 receives signals from the central processing unit 4, which sensor signals s 1 ... si ... s n can be supplied.
  • these signals may, for example, be switching commands for switching from high beam to low beam or, on the other hand, signals received by sensors, such as cameras, which detect the lighting conditions, environmental conditions and / or objects on the road. Also, the signals may originate from vehicle-vehicle communication information.
  • the arithmetic unit 4 drawn here schematically as a block can be contained completely or partially in the headlight, wherein the arithmetic unit 4 is also assigned a memory unit 5 .
  • the light sources 1A, 1B is followed by an optics 6A and 6B , the formation of which depends inter alia on the type, number and spatial placement of the lamps used, such as laser diodes or LEDs as well as the required beam quality, and which should primarily ensure that the light emitted by the light source strikes the micromirrors of a micromirror array 7 as homogeneously as possible.
  • optics 6A and 6B the formation of which depends inter alia on the type, number and spatial placement of the lamps used, such as laser diodes or LEDs as well as the required beam quality, and which should primarily ensure that the light emitted by the light source strikes the micromirrors of a micromirror array 7 as homogeneously as possible.
  • the focused or shaped light beam 2 then passes to this micromirror array 7, on which a light image 8 is formed by corresponding position of the individual micromirrors, which can be projected via an imaging optics 9 as a light image 10 on a roadway 11 or more generally in the traffic area.
  • the imaging optics 9 has a lens body 9k with two regions 9kA and 9kB , which are arranged one above the other and which are shaped in a lens-like manner from optical glass or plastic.
  • the arithmetic unit 4 supplies signals s a to an array driver 12, which controls the individual micromirrors of the array 7 in the manner corresponding to the desired light image.
  • the individual micromirrors of the array 7 can be individually controlled with regard to the frequency, the phase and the deflection angle.
  • the active mirror surface of the micromirror array 7 is divided here into subregions 7A and 7B , which are assigned to the two light sources 1A, 1B. Furthermore, two regions 9A, 9B of the imaging optics 9 are associated with the light bundle reflected by the array 7 or its partial regions 7A, 7B, the light image 10 also being composed of two image regions 10A and 10B as a result.
  • FIG. 2 an example embodiment of the invention based on a headlight after Fig. 1 described, but with other components essential to the invention, wherein for the explanation of the invention is not essential, in Fig. 1 already shown components are omitted and also other mechanical parts, such as fasteners, housings, cooling devices, power supplies and the like. More.
  • the first light source 1A has an LED chip 14 with connection contacts 15 and with a light-emitting surface 16 of a high-power LED.
  • the optical axis associated with the light source 1A or the associated illumination optics 6A is designated by the reference numeral 17A .
  • the light source 1B is composed of three partial light sources 1B -1, 1B-2 and 1B-3.
  • each of these partial light sources is structured as well as the light source 1A, so that a more detailed description can be dispensed with.
  • the same reference numerals are used for the same or similar parts.
  • a somewhat more complex illumination optical unit 6B is required for these light sources, here consisting of three partial lenses 6B-1, 6B-2, 6B-3 and from a further, the partial lenses downstream lens 6B-4 , which consists of a light source near lens combination Fig. 4 evident.
  • the illumination optics which are not shown in detail and as such are not the subject of the invention, are preferably multi-stage optics which capture the Lambertian radiation characteristics and each have to form a light spot 18A, 18B, 18C of suitable geometry on the mirror array 7. In Fig. 4 are schematically indicated such spots.
  • the array 7 consists of a matrix of micromirrors and is the optically essential area of a DMD component 19.
  • DMD components usually contain subregions of the driver electronics and are equipped with effective cooling.
  • DMD chip very many, for example (Texas Instruments DLP3000DMD) 608x684 micromirrors are arranged on a surface with a diagonal of 7.62 mm, which can waste at + ⁇ - 12 degrees.
  • the drive of the micromirror is usually electrostatic.
  • the imaging optics 9 is also designed as a multi-stage lens system and has in this variant a located at the front end of the headlight lens body 9k with two areas 9kA and 9kB, which are arranged one above the other and which are shaped like a lens of optical glass or plastic. In general, apart from this lens body 9k of the imaging optics 9, at least one partial optic 9f will also be arranged between the mirror array 7 and the lens body 9k.
  • This sub-optic 9f is also generally designed as a lens which, for example, has different refractive powers in an upper and a lower region 9fA and 9fB .
  • the optically active surface of the mirror array 7, ie the mirror surface 7f, is subdivided into partial regions 7A, 7B-1, 7B-2 and 7B-3 , which, analogously to FIG according to the execution Fig. 1 to which four light sources 1A, 1B-1, 1B-2 and 1B-3 are assigned.
  • the light image generated here is projected by the illumination optics 9 on the road as a corresponding, consisting of four image areas existing photo.
  • the side view of Fig. 6 is to illustrate the position of the optical axes of the above-described embodiment with respect to a horizontal plane ⁇ , whereupon the optical axis 17A of the light source 1A above and the optical axis 17B of the light source 1B composed of the three sub-light sources 1B-1, 1B-2 and 1B-3 are below the drawn horizontal plane ⁇ is located.
  • the terms used "above” and “below” are not limiting, only in connection with the view shown and can for example refer to a normal position of use of a vehicle. The same applies mutatis mutandis to the terms “left”, “right”, “front”, “rear”, “sideways” etc ..

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

Claims (8)

  1. Phare pour véhicules, avec au moins une source de lumière (1A, 1B ; 1B-1, 1B-2, 1B-3) et un bloc optique d'éclairage attribué à celle-ci, avec un réseau de micro-miroirs (7) et avec une optique de reproduction (9, 9f) constituée sous la forme d'une lentille, sachant qu'une unité de calcul (4) centrale avec une commande de source de lumière (3) et une commande de réseau (12) est attribuée à la source de lumière et au réseau de micro-miroirs,
    les rayons lumineux formés (2A, 2B) d'au moins une source de lumière sont dirigés sur le réseau de micro-miroirs et le faisceau lumineux réfléchi, structuré par celui-ci est projeté en tant qu'image lumineuse (10) dans l'espace de circulation par le biais de l'optique de reproduction,
    sachant qu'au moins deux sources de lumière (1A, 1B ; 1B-1, 1B-2, 1B-3) sont prévues, dont les rayons de lumière sont dirigés sur un réseau de micro-miroirs (7) commun aux sources de lumière et deux zones superposées (9kA, 9kB) d'une optique de reproduction (9, 9f) pour deux zones d'image de l'image lumineuse sont attribuées au faisceau lumineux réfléchi par ce réseau,
    caractérisé en ce que
    ces zones superposées de l'optique de reproduction comportent un pouvoir réfringent différent.
  2. Phare selon la revendication 1, caractérisé en ce que les rayons de lumière formés des sources de lumière (1A, 1B ; 1B-1, 1B-2, 1B-3) sont dirigés sur le réseau de micro-miroirs (7) sous des angles d'incidence différents.
  3. Phare selon la revendication 1 ou 2, caractérisé en ce que la surface de miroir active (7f) du réseau de micro-miroirs (7) est subdivisée en parties de zone, lesquelles sont attribuées aux sources de lumière individuelles.
  4. Phare selon l'une quelconque des revendications 1 à 3, caractérisé en ce qu'à chaque source de lumière (1A, 1B) est attribuée une optique d'éclairage (6A, 6B) placée entre celle-ci et le réseau de micro-miroirs commun (7).
  5. Phare selon l'une quelconque des revendications 1 à 3, caractérisé en ce qu'à deux ou plusieurs sources de lumière (1B-1, 1B-2, 1B-3) est attribuée une optique d'éclairage (6B) placée entre celles-ci et le réseau de micro-miroirs commun (7).
  6. Phare selon l'une quelconque des revendications 1 à 5, caractérisé en ce que les deux zones (9kA, 9kB) de l'optique de reproduction (9) sont constituées en forme de lentille à partir d'un corps de lentille (9k) en verre/matière plastique optique.
  7. Phare selon l'une quelconque des revendications 1 à 6, caractérisé en ce que le corps de lentille (9k) est placé dans la zone avant du phare et une partie d'optique (9f) constituée sous la forme lentille/ système de lentille est disposée entre le réseau de micro-miroirs (7) et le corps de lentille.
  8. Phare selon l'une quelconque des revendications 1 à 7 caractérisé en ce qu'une zone (9kA) de l'optique de reproduction (9) est attribuée à une (1A) des plusieurs sources de lumière, alors qu'au contraire l'autre zone (9kB) de l'optique de reproduction est attribuée à deux sources de lumière ou plus (1B-1, 1B-2, 1B-3).
EP17704374.2A 2016-02-24 2017-02-01 Phare pour véhicules Active EP3420269B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA50129/2016A AT518286B1 (de) 2016-02-24 2016-02-24 Scheinwerfer für Fahrzeuge
PCT/AT2017/060013 WO2017143371A1 (fr) 2016-02-24 2017-02-01 Phare pour véhicules

Publications (2)

Publication Number Publication Date
EP3420269A1 EP3420269A1 (fr) 2019-01-02
EP3420269B1 true EP3420269B1 (fr) 2019-10-23

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ID=58016494

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Application Number Title Priority Date Filing Date
EP17704374.2A Active EP3420269B1 (fr) 2016-02-24 2017-02-01 Phare pour véhicules

Country Status (7)

Country Link
US (1) US10598330B2 (fr)
EP (1) EP3420269B1 (fr)
JP (1) JP6791988B2 (fr)
KR (1) KR102117332B1 (fr)
CN (1) CN109073187B (fr)
AT (1) AT518286B1 (fr)
WO (1) WO2017143371A1 (fr)

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DE102017219504A1 (de) 2017-11-02 2019-05-02 Bayerische Motoren Werke Aktiengesellschaft Beleuchtungsvorrichtung für ein Kraftfahrzeug
DE102017219502A1 (de) * 2017-11-02 2019-05-02 Bayerische Motoren Werke Aktiengesellschaft Beleuchtungsvorrichtung für ein Kraftfahrzeug
FR3074260B1 (fr) 2017-11-30 2020-11-20 Valeo Vision Module lumineux pour vehicule automobile, et dispositif d'eclairage et/ou de signalisation muni d'un tel module
EP3543593B1 (fr) * 2018-03-23 2022-05-04 ZKW Group GmbH Dispositif d'éclairage pour un phare de véhicule automobile
CZ309533B6 (cs) * 2018-03-29 2023-03-29 PO LIGHTING CZECH s.r.o. Komunikační zařízení motorového vozidla, osvětlovací zařízení motorového vozidla pro komunikační zařízení motorového vozidla a způsob car2car nebo car2X komunikace motorového vozidla
FR3086730B1 (fr) 2018-09-28 2020-10-02 Valeo Vision Module lumineux pour vehicule automobile, et dispositif d'eclairage et/ou de signalisation muni d'un tel module
EP3689678A1 (fr) 2019-02-01 2020-08-05 Valeo Vision Système d'éclairage d'un véhicule automobile
CN113453952B (zh) * 2019-02-27 2024-10-01 株式会社小糸制作所 车辆用灯具
WO2020204061A1 (fr) * 2019-04-05 2020-10-08 株式会社小糸製作所 Lampe de véhicule
WO2020255703A1 (fr) * 2019-06-18 2020-12-24 株式会社小糸製作所 Unité de lampe et phare de véhicule
DE102019118264A1 (de) * 2019-07-05 2021-01-07 HELLA GmbH & Co. KGaA Beleuchtungsvorrichtung für ein Kraftfahrzeug, insbesondere hochauflösender Scheinwerfer
DE102019125571A1 (de) * 2019-09-24 2021-03-25 Bayerische Motoren Werke Aktiengesellschaft Beleuchtungsvorrichtung für ein Kraftfahrzeug
CN112584567B (zh) * 2019-09-30 2024-01-26 宁波舜宇车载光学技术有限公司 多芯片照明系统及其控制方法
CN113654003B (zh) * 2020-05-12 2024-04-12 宁波舜宇车载光学技术有限公司 光反射装置及其制造方法、成像部件及光处理系统
DE102020119939A1 (de) 2020-07-29 2022-02-03 HELLA GmbH & Co. KGaA Scheinwerfer für ein Fahrzeug und Fahrzeug mit einem solchen Scheinwerfer
DE102021201550A1 (de) * 2021-02-18 2022-08-18 Psa Automobiles Sa Verfahren zum Betreiben eines hochauflösenden Projektionsscheinwerfers und Projektionsscheinwerfersystem für ein Kraftfahrzeug
KR20230101348A (ko) * 2021-12-29 2023-07-06 에스엘 주식회사 차량용 램프

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US10598330B2 (en) 2020-03-24
AT518286A1 (de) 2017-09-15
JP6791988B2 (ja) 2020-11-25
KR102117332B1 (ko) 2020-06-02
EP3420269A1 (fr) 2019-01-02
JP2019507950A (ja) 2019-03-22
CN109073187A (zh) 2018-12-21
CN109073187B (zh) 2021-08-10
US20180356062A1 (en) 2018-12-13
WO2017143371A1 (fr) 2017-08-31
KR20180113613A (ko) 2018-10-16

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