EP3943809A1 - Phares de véhicule automobile pourvus de modules de projection - Google Patents

Phares de véhicule automobile pourvus de modules de projection Download PDF

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Publication number
EP3943809A1
EP3943809A1 EP21186577.9A EP21186577A EP3943809A1 EP 3943809 A1 EP3943809 A1 EP 3943809A1 EP 21186577 A EP21186577 A EP 21186577A EP 3943809 A1 EP3943809 A1 EP 3943809A1
Authority
EP
European Patent Office
Prior art keywords
light
guide plate
light guide
motor vehicle
additional
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
EP21186577.9A
Other languages
German (de)
English (en)
Inventor
Henning Vogt
Anja Löhle
Stephanie STRAHL-SCHÄFER
Patrick Ziegler
Armin Austerschulte
Xavier Artigou
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Marelli Automotive Lighting Reutlingen Germany GmbH
Original Assignee
Marelli Automotive Lighting Reutlingen Germany GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Marelli Automotive Lighting Reutlingen Germany GmbH filed Critical Marelli Automotive Lighting Reutlingen Germany GmbH
Publication of EP3943809A1 publication Critical patent/EP3943809A1/fr
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/20Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • F21S41/24Light guides
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/10Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/14Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
    • F21S41/141Light emitting diodes [LED]
    • F21S41/143Light emitting diodes [LED] the main emission direction of the LED being parallel to the optical axis of the illuminating device
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/10Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/14Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
    • F21S41/141Light emitting diodes [LED]
    • F21S41/147Light emitting diodes [LED] the main emission direction of the LED being angled to the optical axis of the illuminating device
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/20Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • F21S41/25Projection lenses
    • F21S41/255Lenses with a front view of circular or truncated circular outline

Definitions

  • the present invention relates to a motor vehicle headlight according to the preamble of claim 1.
  • a projection light module is from DE 10 2018 113 768 A1 known and has a first projection light module having a first semiconductor light source, a first projection lens and a first additional light source and a first light guide plate.
  • the first projection lens has a first optical axis and a first light entry surface, which can be illuminated with the first additional light source through the first light guide plate.
  • the first additional light source is arranged on a narrow side of the first light guide plate so that the first Additional light source outgoing light occurs transversely to the first optical axis in the first light guide plate.
  • the first light guide plate has a front emission side facing the first projection lens and a rear deflection side opposite the front emission side, as well as a first part closer to the first optical axis and a second part further away from the optical axis.
  • the first part and the second part are components of the first light guide plate.
  • these headlights are increasingly equipped with a low beam LED module that generates the full low beam of the headlight and a matrix high beam module that also represents the matrix function in the high beam case .
  • a matrix function is understood here to mean that the high beam distribution has a number of matrix elements in the form of segments of the light distribution, which can be darkened in an individually controllable manner in order to avoid dazzling other road users and, at the same time, to achieve good illumination of the roadway with bright segments.
  • both projection lenses of the projection light modules also then appear illuminated when only the low beam is on to achieve a consistent appearance between partial high beam and low beam
  • an additional LED was previously installed on the LED circuit board of the matrix high beam module and its light was directed to the lens entry side via two metalized reflectors.
  • the arrangement of the reflectors was selected in such a way that the light path of the matrix function is not disturbed and the reflection surface of the second reflector is close to the imaging plane of the projection lens.
  • the matrix elements of the high-beam distribution are generated via converging lenses assigned to the respective LEDs, i.e. with a refractive attachment optics, and their imaging is generated via the downstream common projection lens, the additional light used to brighten the projection lens runs via two metalized reflectors.
  • a homogeneous luminance is generated at the height of the front optics of the matrix light module by means of a light guide plate.
  • the light guide is supplied with additional light from the side of an LED placed on the matrix light LED board.
  • the light propagating within the light guide plate is directed towards the projection lens by prisms attached to the back of the plate.
  • a homogeneous illumination of the light guide plate is achieved.
  • Claim 1 differs from this prior art in its characterizing features. These provide that the first light guide plate is arranged in a tilted position in which the first part of the first light guide plate is further away from the first projection lens along the first optical axis removed than the second part of the light guide plate.
  • the tilted arrangement further improves the homogeneity of the illumination of the first projection lens with additional light.
  • a preferred embodiment is characterized in that the first projection light module is a high beam module.
  • the matrix high beam has the property that the appearance of the lens changes depending on the location of the light and dark matrix elements. Therefore, the invention, which provides a more uniform appearance, has a particularly advantageous effect here.
  • the motor vehicle headlight has a second projection light module, which has a second semiconductor light source, a second projection lens and a second additional light source as well as a second light guide plate, the second projection lens having a second optical axis and a second light entry surface, which communicate with the second additional light source through the second light guide plate can be illuminated through, the second additional light source being arranged on a narrow side of the second light guide plate in such a way that light emanating from the second additional light source enters the second light guide plate transversely to the second optical axis and the second light guide plate is one of the second has a front emission side facing the projection lens and a rear deflection side opposite the front emission side, as well as a first part that is closer to the second optical axis and a second part that is further away from the second optical axis, and that the light guide plate is arranged in a tilted position in which the first part of the second light guide plate is located farther from the second projection lens along the second optical axis than the second part
  • the second projection light module has a mirror screen running from the back to the front in the motor vehicle headlight and that the light guide plate is arranged below the mirror screen.
  • This configuration provides a low beam module with improved illumination of the projection lens. It also applies to this configuration that it has surprisingly been shown that the tilted arrangement further improves the homogeneity of the illumination of the second projection lens with additional light.
  • an additional homogenization and adjustment of the light color of the lens illumination of the low beam lens to the lens illumination of the high beam lens can be achieved here.
  • Another preferred embodiment is characterized in that the light color of the additional light source is unchangeable and differs from the light color of the high beam and/or the low beam.
  • This configuration results in a fixed but deliberately different colored illumination of the remaining colorless light guide from the light color of the high beam and/or the low beam and thus a correspondingly multicolored illumination of the projection lens.
  • Another preferred embodiment is characterized in that the first light guide plate and/or the second light guide plate has at least one colored area.
  • the colored area is a light entry area of the otherwise colorless transparent light guide plate.
  • the colored area is a colored coated light entry area of the otherwise colorless light guide plate.
  • this attachment optics would be two-colored, as a so-called 2-component (2K) part.
  • 2K 2-component
  • the boundary surface of the two components together with the entry surface can be optimized with regard to a uniform colored illumination of the remaining light guide (2.2).
  • Another variant instead of a two-colored light guide plate consists in a coating of the entrance surface of the otherwise colorless light guide plate, the optical properties of which are designed in such a way that it is only transparent to light of a fixed color or wavelength and absorbs or reflects all light of other colors or wavelengths.
  • the light color of the first and/or second additional light source can be changed in a controllable manner and can differ from the light color of the high beam and/or the low beam.
  • first and/or second additional light source has individually controllable, differently colored light-emitting diodes.
  • a color of the lens illumination that changes over time, in particular a main light function that is deliberately different from the low beam and the high beam different color cannot be realized with the prior art mentioned above.
  • This limitation of the possible appearances, with which, for example, a colored welcome light can be generated with the headlights, is eliminated by this configuration.
  • a further preferred embodiment is characterized in that the individually controllable, different-colored light-emitting diodes include a red light-emitting light-emitting diode, a green light-emitting light-emitting diode and a blue light-emitting light-emitting diode.
  • An alternative to using the light guide plate according to the invention could be one for both functions, ie for the function of generating a light distribution and the function of uniform illumination of the projection lenses, could lie in the use of a common lens attachment for these two functions.
  • the figure 1 a motor vehicle headlight 10 with a main emission direction 12, which has v forward.
  • the h designation indicates a rear position
  • the r and l designations indicate a right side and a left side
  • the o and u designations mark an upper and a lower position.
  • the motor vehicle headlight 10 has a first projection light module 14 and a second projection light module 16 .
  • the location and position information at the front, rear, right, left, top and bottom each relate to an orientation of the motor vehicle headlight in space when it is used as intended in a motor vehicle.
  • FIG 2 shows a vertical section running between the front v and the rear h through the motor vehicle headlight 10, which has a housing 18 whose light exit opening is through a transparent Cover plate 20 is covered.
  • the first projection light module 14 has a first semiconductor light source 22 , a first projection lens 24 and a first additional light source 26 and a first light guide plate 28 .
  • the first projection lens 24 has a first optical axis 30 and a first light entry surface 32 .
  • the first light entry surface 32 can be illuminated with additional light 34 from the first additional light source 26 through the first light guide plate 28 .
  • the first additional light source 26 is arranged on a narrow side 36 of the first light guide plate 28 in such a way that additional light 34 emanating from the first additional light source 26 is transverse (i.e.
  • the first light guide plate 28 has a first front emission side 38 facing the first projection lens 24 and a first rear deflection side 40 opposite the first front emission side 38 as well as a first part 42 lying closer to the first optical axis 30 and a first part 42 lying further from the second part 44 remote from the first optical axis 30.
  • the first light guide plate 28 is arranged in a tilted position in which the first part 42 of the first light guide plate 28 is located further away from the first projection lens 24 along the first optical axis 30 than the second part 44 of the first light guide plate 28.
  • the light guide plate is especially in the vertical section, which also includes the first optical axis 30 is not perpendicular to the first optical axis.
  • figure 3 shows the first projection light module 14 from the front.
  • two additional light sources 26 are provided, one of which is arranged on a right narrow side 36.r and one on a left narrow side 36.1.
  • the additional light 34 emanating from the additional light sources 26 enters the first light guide plate 28 from the side and is distributed evenly in the first light guide plate 28, also as a result of internal total reflections.
  • the additional light 34 is so steeply deflected to the first front emission side 38 of the first light guide plate 28 so that it emerges evenly distributed there.
  • the exiting additional light 34 is scattered at least in the vertical direction by scattering structures 52 arranged in the first front emission side 38 such that it illuminates the first light entry surface 32 of the first projection lens 24 in a uniformly distributed manner.
  • first projection light module 14 is a high beam module.
  • the light emanating from the first semiconductor light source 22 is not shaded or deflected by a horizontal screen.
  • the first semiconductor light source 22 of the first projection light module 14 has n LEDs arranged next to one another, each of which illuminates precisely one first optical attachment section 56 of a first optical attachment 50 which is assigned only to it. Accordingly, the number of first attachment optics sections 56 is also equal to n. The number n is equal to 6 here, without n being restricted to this value.
  • the individual LEDs and the first additional light source 26 can be controlled individually with a control unit 58 of the first projection light module 14 .
  • the visible light exit surfaces of the first attachment optics sections 56 are imaged forwards by the first projection lens 24, with the images being arranged like the light exit surfaces of the first attachment optics sections 56. By darkening individual LEDs, sections of the high beam distribution can thus be individually darkened in order to avoid dazzling other road users.
  • the control unit 58 processes signals from a vehicle environment sensor system, for example a camera and/or radar sensors.
  • the first (upper) part 42 of the first light guide plate 28 is located just below the first attachment optics sections 56 and in or near the imaging plane of a first projection lens 24 or a projection lens system. Therefore, a homogeneous illumination of the first projection lens 24 is achieved, which as such also under small (e.g. less than 5°) Viewing angles to the first optical axis 30 of the first projection lens 24 is visible.
  • FIG 4 shows the motor vehicle headlight 10 with a second projection light module 16.
  • the second projection light module 16 has a second semiconductor light source 74, a second projection lens 60 and a second additional light source 62 and a second light guide plate 64.
  • the second projection lens 60 has a second optical axis 66 and a second light entry surface 54 which can be illuminated with the second additional light source 62 through the second light guide plate 64 .
  • the second additional light source 62 is arranged on a narrow side of the second light guide plate 64 such that light emanating from the second additional light source 62 enters the second light guide plate 64 transversely to the second optical axis 66 .
  • the second light guide plate 64 has a second front emission side 68 facing the second projection lens 60 and a second rear deflection side 70 opposite the second front emission side 68, as well as a first part 43 that is closer to the second optical axis 66 and a part that is further away from the second optical axis 66 lying second part 45 on.
  • the second light guide plate 64 is arranged in a tilted position in which the first part 43 of the second light guide plate 64 is located further away from the second projection lens 60 along the second optical axis 66 than the second part 45 of the second Light guide plate 64.
  • the second light guide plate 64 is not arranged at right angles to the second optical axis 66, in particular in the vertical section in which the second optical axis 66 also lies.
  • a difference between the objects of Figures 2 and 3 on the one hand and the subject of Figures 4 and 5 on the other hand is that the second projection light module 16 has a mirror screen 72 running from the back to the front in the motor vehicle headlight 10 and that the second light guide plate 64 is arranged below the mirror screen 72 .
  • the mirror diaphragm 72 has a reflecting surface which faces the second semiconductor light source 74 and the second optical head 76 and extends from the back to the front into the focal region of the second optical head 76 and the second projection lens 60 .
  • the second attachment optics 76 is a half-shell reflector with an ellipsoidal basic shape.
  • the second semiconductor light source is arranged in a focal point of the half-shell reflector.
  • a second focal point, or focal area, of the half-shell reflector is intersected by the diaphragm edge 78 .
  • the diaphragm edge 78 of the mirror diaphragm 72 lying in the focal area is imaged by the second projection lens 60 as a light-dark boundary of a low-beam light distribution running between the right and left.
  • figure 5 shows a front view of the second projection light module 16 with the diaphragm edge 78 of the mirror diaphragm 72 running between the right and left, the second optical head 76 arranged above the mirror diaphragm 72 and the second light guide plate 64 arranged below the mirror diaphragm 72.
  • FIG Figures 2 and 3 also for them Figures 4 and 5 .
  • the second optical attachment 76 can be designed as a lens or light guide.
  • the light guide plates 28, 64 are preferably made of the same light guide material as the optical attachments. As a result, the same light color is achieved with the light guide plates as with the attachment optics. This applies in any case if, for example, the first additional light source emits light of the same light color as the first semiconductor light source.
  • a preferred embodiment provides for the use of colored LEDs as additional light sources.
  • these additional light sources each have three LED chips R, G, B arranged closely next to one another, which together form a second semiconductor light source 74 . en.
  • figure 6 shows a plan view of such an arrangement.
  • the main emission direction of this arrangement is perpendicular to the plane of the drawing.
  • Each of these chips R, G, B emits a different color of light that is permanently assigned to it, ideally red, green and blue.
  • the colored LEDs R, G, B are controlled by the control device 58 for this purpose.
  • RGB LEDs R, G, B As already described in general for light from the additional light sources, it also applies to the colored light from RGB LEDs R, G, B that this light is fed into the light guide plate and through a prism structure on the deflection side of the light guide plate 28, 64 in the direction of an imaging projection lens 24, 60 is deflected.
  • the appearance of a motor vehicle headlight 10 could be converted into the appearance of a rear light.
  • the low beam and the high beam could be turned off, and the associated projection lenses 24, 60 could be temporarily illuminated red to a To fulfill tail light function and / or a brake light function.
  • figure 7 12 shows that the light guide plate 28 and/or 64 can be made entirely or partially of a colored transparent material as an alternative to using colored light sources and this light guide plate can then be fed with a white LED. This applies in particular to the area 80 of the feed or parts thereof.
  • Such a light guide plate 28, 64 would be two-colored, which can be produced as a so-called 2-component (2K) part with a corresponding 2K injection molding process.
  • 2K 2-component
  • the boundary surface of the two then differently colored components of the light guide plate 28, 64 together with the light entry surface of the light guide plate 28, 64 can be optimized with regard to a uniform colored illumination of the rest of the light guide plate.
  • Another variant instead of a two-tone light guide plate is a coating of the Entry surface of the otherwise colorless light guide plate, the optical properties of which are designed in such a way that it is only transparent to light of a fixed color or wavelength and absorbs or reflects all light of a different color or wavelength.
  • the light guide plate 28, 64 has a narrow side 36 via which light from an additional light source 26, 62 (cf Figures 2 to 4 ) is fed into the light guide plate 28, 64.
  • the narrow side 36 closes off a coupling prism, which has a trapezoidal cross section and extends over the height of the prism.
  • the narrow side 36 forms one of the two parallel faces of the prism.
  • the surface of the prism parallel thereto forms a transition surface with which the area 80 of the feed, which is identical here to the prism, merges into the rest of the light guide plate.
  • the light from the additional light source that is fed into the light guide plate via the colored area 80 of the feed is subjected to internal total reflections that reduce the aperture angle of the fed-in light at the mutually inclined boundary surfaces of the prismatic area 31 .
  • This light is then deflected at a preferably curved edge area into an area of the printed circuit board that has a flat, tilted central area.
  • This area is limited to the rear by a deflection surface and to the front by a radiating surface.
  • Deflection elements are arranged in the deflection surface, for example vertically have running edges that delimit oblique prism faces.
  • the deflection elements are shaped in such a way that light from the additional light source incident on them from the interior of the light guide plate is deflected so steeply by internal total reflections to the front emission surface that it emerges from the light guide plate there, with the light preferably being emitted obliquely upwards.
  • Deflection elements in the form of sections of a roller are preferably arranged in the emission surface, which distribute the light emerging from the emission surface so widely that it homogeneously illuminates the light entry surface of the projection lens that follows in the beam path.
  • the roller sections preferably extend from the narrow side serving as the light entry side across the entire width of the emission surface. In this case, convex roller sections and concave roller sections preferably alternate.
  • the generatrices of the roller sections run parallel to one another.
  • the surface lines run transversely to the optical axis between a left and a right position.
  • the edges of the deflection elements arranged in the deflection surface preferably run between an upper and a lower position, so that the deflection elements and the roller sections run transversely to one another.
  • figure 8 shows an arrangement of a first optical head 50, a tilted arranged first light guide plate 28 and a first additional light source 26 and a first projection lens.
  • the first light guide plate 28 draws is characterized by a uniformly curved transition from its emission and deflection sides to the lateral narrow sides 36 serving to feed in the additional light.
  • the narrow side 36 used to feed in the additional light is preferably in the light entry plane of the attachment optics 76, 50.
  • the additional light source(s) and the LEDs used to generate the headlight light distribution can be arranged on the same flat and rigid circuit board. This applies analogously to the figures 9 and 10 .
  • FIG. 9 shows an arrangement with a light guide plate which is less high in the vertical direction than the light guide plate of FIG figure 8
  • the figure 10 FIG. 12 shows another arrangement having a second light guide plate 64 which is narrower in the left-right horizontal direction than the light guide plate of FIG figure 8 , together with a projection lens system instead of a single first projection lens 24 or second projection lens 60
  • the light guide plate according to FIG figure 10 has a kink at its transition between its emission side and the side serving to feed in the light. Narrow emission sides can also be realized in this way, since the kinks require less space with regard to a change of direction than curved transitions.
EP21186577.9A 2020-07-21 2021-07-20 Phares de véhicule automobile pourvus de modules de projection Pending EP3943809A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102020119195.2A DE102020119195A1 (de) 2020-07-21 2020-07-21 Kraftfahrzeugscheinwerfer mit Projektionslichtmodulen

Publications (1)

Publication Number Publication Date
EP3943809A1 true EP3943809A1 (fr) 2022-01-26

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EP21186577.9A Pending EP3943809A1 (fr) 2020-07-21 2021-07-20 Phares de véhicule automobile pourvus de modules de projection

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DE (1) DE102020119195A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023156033A1 (fr) * 2022-02-15 2023-08-24 Hella Autotechnik Nova S.R.O. Phare pour une voiture

Citations (6)

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Publication number Priority date Publication date Assignee Title
DE102010046021A1 (de) * 2010-09-18 2012-03-22 Automotive Lighting Reutlingen Gmbh Kraftfahrzeugscheinwerfer mit einem Mehrfunktions-Projektionsmodul
CN207674345U (zh) * 2018-01-19 2018-07-31 上海小糸车灯有限公司 聚光器和车灯模组
EP3379139A1 (fr) * 2015-11-20 2018-09-26 Koito Manufacturing Co., Ltd. Unité de luminaire
KR20190036807A (ko) * 2017-09-28 2019-04-05 에스엘 주식회사 차량용 램프 및 이를 포함하는 램프 어셈블리
FR3079597A1 (fr) * 2018-03-28 2019-10-04 Valeo Vision Module optique pour vehicule automobile
DE102018113768A1 (de) 2018-06-08 2019-12-12 Automotive Lighting Reutlingen Gmbh Kraftfahrzeugscheinwerfer mit mindestens zwei Lichtmodulen

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Publication number Priority date Publication date Assignee Title
DE102011076621B4 (de) 2011-05-27 2017-03-02 Automotive Lighting Reutlingen Gmbh Beleuchtungseinrichtung für ein Kraftfahrzeug
JP2012256491A (ja) 2011-06-08 2012-12-27 Stanley Electric Co Ltd 車両用灯具ユニット

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010046021A1 (de) * 2010-09-18 2012-03-22 Automotive Lighting Reutlingen Gmbh Kraftfahrzeugscheinwerfer mit einem Mehrfunktions-Projektionsmodul
EP3379139A1 (fr) * 2015-11-20 2018-09-26 Koito Manufacturing Co., Ltd. Unité de luminaire
KR20190036807A (ko) * 2017-09-28 2019-04-05 에스엘 주식회사 차량용 램프 및 이를 포함하는 램프 어셈블리
CN207674345U (zh) * 2018-01-19 2018-07-31 上海小糸车灯有限公司 聚光器和车灯模组
FR3079597A1 (fr) * 2018-03-28 2019-10-04 Valeo Vision Module optique pour vehicule automobile
DE102018113768A1 (de) 2018-06-08 2019-12-12 Automotive Lighting Reutlingen Gmbh Kraftfahrzeugscheinwerfer mit mindestens zwei Lichtmodulen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023156033A1 (fr) * 2022-02-15 2023-08-24 Hella Autotechnik Nova S.R.O. Phare pour une voiture

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