EP4363762A1 - Module de phare d'un phare, phare et véhicule comprenant le phare - Google Patents

Module de phare d'un phare, phare et véhicule comprenant le phare

Info

Publication number
EP4363762A1
EP4363762A1 EP22722124.9A EP22722124A EP4363762A1 EP 4363762 A1 EP4363762 A1 EP 4363762A1 EP 22722124 A EP22722124 A EP 22722124A EP 4363762 A1 EP4363762 A1 EP 4363762A1
Authority
EP
European Patent Office
Prior art keywords
headlight
projection area
designed
light beams
partial light
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.)
Pending
Application number
EP22722124.9A
Other languages
German (de)
English (en)
Inventor
Philipp Roeckl
Whilk Marcelino GONCALVES
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.)
Stellantis Auto SAS
Original Assignee
Stellantis Auto SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Stellantis Auto SAS filed Critical Stellantis Auto SAS
Publication of EP4363762A1 publication Critical patent/EP4363762A1/fr
Pending legal-status Critical Current

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
    • F21S41/14—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
    • F21S41/20—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
    • F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • F21S41/25—Projection lenses
    • F21S41/275—Lens surfaces, e.g. coatings or surface structures
    • 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

Definitions

  • the present disclosure generally relates to a headlamp module.
  • the present disclosure relates to a headlight module of a vehicle headlight, a vehicle headlight, and a vehicle having the vehicle headlight.
  • Headlight modules for vehicle headlights are known.
  • LED Light Emitting Diode
  • headlight modules which are designed to provide various headlight functions.
  • a headlight module can be designed to provide a high beam function.
  • HD high definition
  • a headlight module can be designed to project patterns, for example symbols and/or signposts, onto the roadway and thus provide the vehicle driver with useful information.
  • the headlight resolution can be increased by reducing the illumination area per pixel, but this can lead to a reduction in the overall projection area of the headlight.
  • An object of the embodiments of the present disclosure is to provide a headlight module that makes it possible to provide a headlight with a high headlight resolution and with a large projection area.
  • a headlight module of a vehicle headlight is provided according to a first aspect for generating a headlight with a first projection area or projection field and with a second projection area or projection field.
  • the headlight module includes an LED module with a number of LEDs for emitting an LED light each.
  • the LEDs can in particular be arranged in a matrix or pixel-like manner on one or more substrates, in particular metal-core circuit boards. That In particular, the LED module can have an LED pixel array with a sufficient number or packing density of the LED pixels to implement the HD functionality of the headlight.
  • the headlight module also includes headlight optics for shaping the respective LED light into a partial light beam in each case for illuminating a partial area of the first projection area and/or the second projection area, with the headlight optics being designed so that the first projection area is illuminated by a first group of Partial light beams and the second projection area can be illuminated by a second group of partial light beams.
  • the headlight optics include an optics element for selectively expanding the projection areas of the partial light beams, so that the projection areas of the first group of partial light beams can be expanded in at least one direction.
  • the headlight light distribution can be modified partially or in specific areas in a targeted manner.
  • the first projection area can be enlarged overall without impairing the illumination of the second projection area or the headlight resolution in the second projection area.
  • the headlight module thus enables the targeted widening of those projection areas in which the headlight resolution, particularly in the direction of the beam width, is less critical.
  • the possible uses of the LED matrix headlights can be expanded as a result. Because the headlight beam can be expanded overall, so that the high resolution is maintained in the projection areas where resolution is important, for example due to HD functionality.
  • the first projection area comprises a high-beam projection area and the second projection area is a near-light projection area.
  • the headlight optics can be formed in such a way that in the high-beam projection area of the headlight, an extension of the projection area is achieved at the expense of a deterioration in the resolution, with the headlight resolution not being or only in the near-light projection area is slightly affected. A high resolution can thus be maintained in the near-light projection area, so that the HD functionality of the headlight can be implemented without impairment in the near-light projection area.
  • the headlight optics can be designed in such a way that the first projection area and the second projection area touch and/or partially overlap. Because the first projection area and the second projection area touch or overlap, the FOV (field of view) or the driver's field of vision can be well illuminated in the central area, so that there is a smooth transition between the high-beam projection area and the near-light projection area without dark zones.
  • FOV field of view
  • driver's field of vision can be well illuminated in the central area, so that there is a smooth transition between the high-beam projection area and the near-light projection area without dark zones.
  • the headlight optics can be designed so that the first projection area extends over a vertical angular range of -4° to +6°, in particular -2° to +3°, in relation to the horizontal plane.
  • the vertical opening angle of -4° to +6°, in particular -2° to +3°, of the first projection area the entire projection area of the high beam can be projected without the use of additional light-guiding elements such as DMD (Digital Mirror Device) or other mechanically adjustable elements. be covered.
  • the headlight optics can also be designed so that the second projection area extends over a vertical angle range of -10° to 0°, in particular -8° to -1°, in relation to the horizontal plane.
  • the angular range from -10° to 0°, in particular -8° to -1° essentially completely covers the near-light projection range for HD functionality, in particular for providing high-resolution driver assistance projections onto the road.
  • both the high-beam functionality and the HD functionality can be essentially completely covered without reducing light output at the edges of the illumination field, in particular at the upper or lower edge of the first projection area or the second projection area to forfeit
  • the optical element is designed in such a way that the expansion of the projection areas of the first group of partial light beams can essentially only take place in the vertical direction.
  • the vertical resolution of the headlight light is usually less important, so that the projection area can be extended in the vertical direction without any noticeable impairment of the headlight performance.
  • the adaptive driving beam or the glare-free high beam can be achieved by hiding segments from the high beam with a high horizontal resolution.
  • the headlight optics can be designed in such a way that the partial light beams of the first group have a horizontal opening angle of approximately 0.1° or less and a vertical opening angle of approximately 0.2° or more. Because of the larger vertical angle of aperture, the vertical projection range of the partial light beams and thus of the high beam headlights can be increased while maintaining the high horizontal resolution.
  • the headlight optics can be designed in such a way that the partial light beams of the second group have an opening angle of approximately 0.1° or less both in the vertical and in the horizontal direction.
  • This headlight resolution enables symbols and/or signposts to be projected onto the roadway in such a way that the driver of the vehicle can clearly see them.
  • the two functions can be implemented in a single headlight module, namely the HD projection for driver assistance with a projection area directly in front of the vehicle, up to a distance of around 7 m, and the high-beam function with a vertical projection angle of around 3° above the horizontal plane.
  • the optical element can be designed in such a way that it is essentially only detected by the first group of partial beams.
  • the optical element can be designed in particular as an additional element for retrofitting existing headlight modules. By using the optical element, the lighting range of headlights can be expanded in a simple manner by retrofitting existing headlight modules.
  • the optics element can be designed as a multi-focus optics element for vertically fanning out the partial light beams of the first group.
  • the projection areas of the partial beams of the first group, and consequently also the first projection area as a whole can be expanded in the vertical direction without significantly impairing the light distribution in the horizontal direction.
  • the optics element can be formed as a sharkstooth optics element, esp.
  • the shark tooth optics element With the shark tooth optics element, the vertical fanning out of the partial rays of the first group can be done in a simple manner without significantly impairing the light distribution in the horizontal direction.
  • the optical element can be designed as a roller optical element, in particular with one or more corrugated optical boundary surfaces for the vertical fanning out of the partial light beams.
  • the corrugated optical interface With the corrugated optical interface, the vertical fanning out of the partial rays of the first group can be done in a simple manner.
  • the optical element can be designed in particular as a free-form lens, in particular as part of a lens system of the headlight optics.
  • the free-form lens With the free-form lens, the steering or the widening of the partial light beams can be adjusted in a targeted and precise manner.
  • a vehicle headlight for generating a headlight is provided with a first projection area and a second projection area.
  • the vehicle headlight has at least one headlight module according to the first aspect.
  • the headlight provides full functionality both in the high beam projection area and in the near light projection area and has a particularly simple design.
  • the two functionalities of the headlight can be implemented with a single headlight module.
  • a vehicle having a headlamp according to the second aspect having a headlamp according to the second aspect.
  • the vehicle offers full headlight functionality and can be manufactured cost-effectively.
  • the reduction in the number of headlight modules makes the vehicle lighter overall and opens up further design freedom for the vehicle designers.
  • FIG. 1 shows a schematic cross section of a headlight module according to an exemplary embodiment
  • FIG. 2 schematically shows an illumination field of a headlight according to an embodiment
  • FIG. 3 shows an illumination pattern of an illumination field according to FIG. 2.
  • FIG. 1 shows a schematic cross section of a headlight module according to an embodiment.
  • the view of Fig. 1 corresponds to a vertical cross section of the headlight module 1 in the installed state.
  • the headlight module 1 comprises a housing 2 with a first end 3 and a second end 4. At the first end 3 of the housing 2 there is a light exit window 5 and on the second end 3 of the housing 2 is an LED module 6 with a number of LEDs (not shown) net angeord.
  • the headlight module 1 also includes headlight optics 7 which are arranged within the housing 2 between the LED module 6 and the light exit window 5 .
  • the housing 2 is essentially axially symmetrical with an axis of symmetry 8 , the axis of symmetry 8 essentially coinciding with the main emission direction of the headlight module 1 .
  • the headlight optics 7 includes an optical element 9 which is arranged asymmetrically in the housing 2 or above the axis of symmetry 8 .
  • the light exit window 5 can in particular be designed as part of the headlight optics 7 or as an active optical element, in particular as a converging and/or scattering lens.
  • FIG. 1 also shows a body part 10 of the vehicle and a fastening element 11 for fastening the headlight module 1 to the vehicle or inside a headlight of the vehicle.
  • the headlight module 1 is designed as an LED matrix headlight module, with the LEDs being arranged in the LED module 6 in the manner of a matrix.
  • the headlight module 1 comprises a primary lens system 12 for bundling the light emitted by the respective LEDs.
  • the primary optics 12 can be designed as part of the LED module 6 or as a separate optical element.
  • the mode of operation of the headlight module 1 is illustrated by means of diagrammatically illustrated boundary light beams (shown in dashed lines) of the headlight light.
  • the light emitted by the LEDs of the LED module 6 is formed by the headlight optics into the headlight light, which exits through the light exit window 6 .
  • a first part of the headlight illuminates a first projection area 20 and a second part of the headlight illuminates a second projection area 30 .
  • the alignment of the headlight module 1 in FIG. 1 corresponds to the orientation of the headlight module 1 in the installed state.
  • the first projection area 20 or the upper projection area illuminates an upper part of the headlight illumination field or high-beam projection field in a pixel-like manner.
  • the second projection area 30 or the lower projection area 30 illuminates a lower part of the headlight illumination field or near-light projection field in a pixel-like manner.
  • the headlight pixels are generated by partial light beams of the headlight, which can be illuminated separately or independently of one another by controlling the individual LEDs of the LED module.
  • the headlight resolution is determined by the pixel size or by the opening angle of the light cone of individual partial light beams, each of which illuminates a partial area of the first projection area 20 or the second projection area 30 .
  • the first projection area 20 is illuminated by a first group of the partial light beams and the second projection area 30 is illuminated by a second group of the partial light beams.
  • the optical element 9 is designed to selectively expand the light cone or the projection areas of the partial light beams.
  • the asymmetrical arrangement of the optical element 9 or the arrangement offset from the axis of symmetry has the effect that essentially only the partial light beams of the first group are expanded in the vertical direction. With the optical element 9, the projection range of the headlight in the high-beam range can thus be expanded in the vertical direction.
  • the optical element 9 can in particular be designed as an additional element for retrofitting existing headlight modules.
  • the lighting range of headlights can be expanded in a simple manner by retrofitting existing headlight modules.
  • the first projection area 20 and the second projection area 30 partially overlap in the vertical direction.
  • the overlap angle between the first projection area 20 and the second projection area 30 in the vertical direction can be in the range of 2° to 5°. Due to the overlapping of the first projection area 20 and the second projection area 30, the driver's field of vision can be well illuminated in the central area, so that there is a smooth transition without a dark zone between the high beam projection area and the near light projection area even when the dimming function is activated.
  • the vertical angular range of the first projection area 20 or of the entire high beam can be expanded, so that the first projection area 20 extends over a vertical angular range of -2° to +3° (relative to the horizontal plane) extends.
  • the vertical opening angle of ⁇ 2° to +3° of the first projection area 20 the entire projection area of the high beam can be covered without the use of additional light-guiding elements.
  • the headlight optics 7 can in particular be designed in such a way that the second projection area extends over a vertical angular range of ⁇ 8 to ⁇ 1°.
  • the headlight module 1 can thus cover both the entire high-beam range and the entire near-light range.
  • the optical element 9 is designed so that the headlight light distribution in the horizontal direction is not affected or is only slightly affected.
  • the optical element 9 can be designed in such a way that the widening of the projection areas of the first group of partial light beams takes place essentially only in the vertical direction.
  • the horizontal resolution of the partial light beams is not or only slightly influenced by the optical element 9, so that despite the widening of the partial light beams, a glare-free headlight high beam with a high horizontal resolution can be implemented.
  • the horizontal opening angle of the partial light beams of the first group and of the second group of partial light beams can be approximately the same size. In some embodiment examples, the horizontal opening angle of the partial light beams is approximately 0.1°.
  • the vertical opening angle of the partial light beams of the first group on the other hand, can be greater than 0.1°, in particular about 0.2° or more, due to the widening by the optical element 9. be.
  • a multi-focus optical element with vertically fanned-out focus points can be used as the optical element 9 .
  • the optics element 9 can be designed as a shark tooth optics element and/or roller optics element.
  • the vertical widening of the partial light beams of the headlight can be achieved in a simple manner with the multi-focus optical element or sharkstooth optical element and/or roller optical element.
  • the optical element 9 can in particular be designed as a free-form lens. With the free-form lens, the beam guidance or the expansion of the partial light beams can be adjusted in a targeted and precise manner.
  • the free-form lens is designed as part of a lens system that can be integrated into the headlight module 1 .
  • FIG. 2 shows schematically an illumination field of a headlight according to an exemplary embodiment.
  • FIG. 2 shows the illumination field 50 of the headlight schematically from the driver's perspective.
  • the horizontal beam angle of the headlight is plotted on the x-axis in relation to a central point.
  • the vertical beam angle of the headlight beam is plotted on the Y-axis in relation to the central point.
  • the first projection area 20 or the high-beam projection area extends horizontally between approximately -12° and +12° and vertically between approximately -2° and +5°.
  • the second projection area 30 or near-light projection area extends horizontally between approximately -10° and +10° and vertically between approximately -7° and -1°.
  • the first projection area 20 and the second projection area 30 partially overlap, the vertical overlap angle being approximately 1°.
  • the vertical position of the X-axis corresponds to the horizon line.
  • the part of the illumination field below the X-axis corresponds to the near-light projection area, in which HD functionality can be implemented.
  • symbols such as signposts can be projected onto the roadway in the near-light projection area and information can be transmitted to the driver in this way.
  • FIG. 3 shows an illumination pattern of an illumination field according to FIG. 2.
  • the illumination pattern shown in FIG. 3 results from a light simulation when the illumination field is illuminated with a headlight having a headlight module according to FIG. 1.
  • the illumination field 50 is illuminated both in the high-beam projection area 20 and in the near-light projection area 30 .
  • To the A pixel structure can be seen in the illumination pattern, which can be attributed to the pixel-like illumination of the illumination field by the LED pixel headlight.
  • the pixel structure in the upper area of the illumination pattern differs from the pixel structure in the lower area of the illumination pattern.
  • the pixel size in the lower area is about 0.1° in both the horizontal and vertical directions. In the upper area, the pixels have an elongated structure and a vertical orientation.
  • the pixel size in the upper area is about 0.5° in the vertical direction and about 0.1° in the horizontal direction. This lengthening of the pixels in the vertical direction is due to the optical element 9, which expands the partial light beams of the first group in the vertical direction. Due to the elongated, vertically aligned pixels, the entire high-beam area of the headlight can be covered with just a few rows of pixels.
  • the headlight resolution or the angular resolution of the headlight in the horizontal direction is the same in both areas and is approximately 0.1°. This angular resolution enables a horizontal direction high-resolution dimming functionality in the first projection area 20 and high-resolution HD functionality in the second projection area 30. With the help of the headlight module 1, the high-resolution HD functionality and the glare-free high beam can thus be achieved in a simple manner be realized in a single headlight module.
  • the headlight module is designed to illuminate one or more additional projection areas or functional areas.
  • the headlight optics can be designed as multi-focus optics or can include multi-focus optics, in particular with asymmetrical optics elements.
  • the asymmetrical optical elements for example lenses with asymmetrically curved lens surfaces
  • different projection areas which in principle can also have different geometries, can be illuminated.
  • several functionalities for example high beam, HD light, cornering light and/or fog light, can be implemented in a single headlight module.

Landscapes

  • 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)

Abstract

L'invention concerne un module de phare (1) d'un phare destiné à générer une lumière de phare présentant une première région de projection (20) et une seconde région de projection (30). Le module de phare (1) comprend un module de DEL (6) ayant un certain nombre de DEL pour émettre dans chaque cas une lumière de DEL et ayant une optique de phare (7) pour mettre en forme la lumière de DEL respective, dans chaque cas, en un faisceau lumineux partiel pour éclairer respectivement une région partielle de la première région de projection (20) et/ou de la seconde région de projection (30). L'optique de phare (7) est conçue de sorte que la première région de projection (20) puisse être éclairée par un premier groupe de faisceaux lumineux partiels et la deuxième région de projection (30) par un second groupe de faisceaux lumineux partiels, l'optique de phare (7) comprenant un élément optique (9) pour élargir sélectivement les régions de projection des faisceaux lumineux partiels, de sorte que les régions de projection du premier groupe de faisceaux lumineux partiels puissent être élargies dans au moins une direction.
EP22722124.9A 2021-06-29 2022-04-06 Module de phare d'un phare, phare et véhicule comprenant le phare Pending EP4363762A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102021206735.2A DE102021206735A1 (de) 2021-06-29 2021-06-29 Scheinwerfermodul eines Fahrzeugscheinwerfers, Fahrzeugscheinwerfer und den Fahrzeugscheinwerfer aufweisendes Fahrzeug
PCT/EP2022/059164 WO2023274595A1 (fr) 2021-06-29 2022-04-06 Module de phare d'un phare, phare et véhicule comprenant le phare

Publications (1)

Publication Number Publication Date
EP4363762A1 true EP4363762A1 (fr) 2024-05-08

Family

ID=81595753

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22722124.9A Pending EP4363762A1 (fr) 2021-06-29 2022-04-06 Module de phare d'un phare, phare et véhicule comprenant le phare

Country Status (3)

Country Link
EP (1) EP4363762A1 (fr)
DE (1) DE102021206735A1 (fr)
WO (1) WO2023274595A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116677948B (zh) * 2023-08-03 2024-01-12 常州星宇车灯股份有限公司 汽车照明场景的实现方法

Family Cites Families (12)

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Publication number Priority date Publication date Assignee Title
JP5537989B2 (ja) * 2010-02-24 2014-07-02 スタンレー電気株式会社 前照灯及び複焦点レンズ
FR2979996B1 (fr) 2011-09-13 2013-12-27 Valeo Vision Unite optique, notamment pour vehicule automobile
DE102012016782B4 (de) 2012-08-23 2024-07-25 Volkswagen Aktiengesellschaft Verfahren zum Betreiben eines Scheinwerfersystems und Scheinwerfersystem für ein Fahrzeug
JP2014082164A (ja) * 2012-10-18 2014-05-08 Ichikoh Ind Ltd 車両用灯具
JP6131576B2 (ja) * 2012-11-20 2017-05-24 市光工業株式会社 車両用前照灯
JP6604030B2 (ja) * 2015-05-13 2019-11-13 市光工業株式会社 車両用灯具
DE102015008729A1 (de) 2015-07-07 2017-01-12 GM Global Technology Operations LLC (n. d. Ges. d. Staates Delaware) Kraftfahrzeugscheinwerferanordnung, Kraftfahrzeugscheinwerfersystem, Kraftfahrzeug sowie Verfahren zum Betrieb eines Kraftfahrzeugs
JP2017103189A (ja) * 2015-12-04 2017-06-08 パナソニックＩｐマネジメント株式会社 前照灯及び移動体
WO2018066553A1 (fr) * 2016-10-07 2018-04-12 株式会社小糸製作所 Lampe de véhicule
DE102017216911A1 (de) 2017-09-25 2019-03-28 Osram Gmbh Leuchtvorrichtung, insbesondere für einen Scheinwefer eines Kraftfahrzeugs, sowie Kraftfahrzeugscheinwerfer
DE102017223441B4 (de) 2017-12-20 2019-10-31 Audi Ag Lichtsteuerungsvorrichtung zur Einteilung einer Lichtverteilung
US11629831B2 (en) * 2019-01-29 2023-04-18 Hasco Vision Technology Co., Ltd. Vehicle lamp illumination module, vehicle lamp and vehicle

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DE102021206735A1 (de) 2022-12-29
WO2023274595A1 (fr) 2023-01-05

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