WO2019149398A1 - Dispositif de production de lumière et feu de véhicule automobile - Google Patents

Dispositif de production de lumière et feu de véhicule automobile Download PDF

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Publication number
WO2019149398A1
WO2019149398A1 PCT/EP2018/080312 EP2018080312W WO2019149398A1 WO 2019149398 A1 WO2019149398 A1 WO 2019149398A1 EP 2018080312 W EP2018080312 W EP 2018080312W WO 2019149398 A1 WO2019149398 A1 WO 2019149398A1
Authority
WO
WIPO (PCT)
Prior art keywords
light
primary optic
carrier
cooling
optic element
Prior art date
Application number
PCT/EP2018/080312
Other languages
German (de)
English (en)
Inventor
Thomas Wezel
Ephraim Singer
Stephan Braun
Original Assignee
Automotive Lighting Reutlingen 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 Automotive Lighting Reutlingen Gmbh filed Critical Automotive Lighting Reutlingen Gmbh
Priority to EP18799522.0A priority Critical patent/EP3746697A1/fr
Publication of WO2019149398A1 publication Critical patent/WO2019149398A1/fr

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
    • 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
    • F21S45/435—Forced cooling using gas circulating the gas within a closed system
    • 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
    • F21S41/285—Refractors, transparent cover plates, light guides or filters not provided in groups F21S41/24 - F21S41/2805
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/60—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
    • 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
    • F21S45/47—Passive cooling, e.g. using fins, thermal conductive elements or openings
    • 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

Definitions

  • the invention is based on a light generation arrangement of a
  • Motor vehicle lamp with a arranged on and / or in a carrier light source, in particular a semiconductor light source, and with a spaced from the light source, transmission optical
  • the invention relates to a
  • a generic light generation arrangement is known from the document DE 10 2013 207 845 Al.
  • the primary optics element serves, in particular, to collect the light emitted by the light source
  • the primary optic element is transmission optical
  • the Light source usually disposed between the focus of the primary optic element and the primary optic element.
  • the primary optic element acts as a front optic, by means of which a primary light distribution is generated along the beam path behind the primary optic element.
  • the beam path is typically from the primary light distribution by means of a diaphragm and a
  • Secondary optic element in particular a projection lens
  • desired light image such as a dipped or high beam image, shaped.
  • the primary optic element is inherently very close to the light source assigned to it.
  • the primary optic element Due to the radiated from the light source power, especially in the case of semiconductor light sources, the primary optic element is regularly exposed to a strong thermal stress.
  • transmission optical primary optics should naturally have the highest possible degree of transmission.
  • unlike reflector-based light generation arrangements only a narrow selection of materials results; In particular, only very expensive materials can be used so far. Also, it comes in the hitherto usable materials partly over the life of a motor vehicle light away to temperature-related discoloration.
  • the object of the present invention is therefore to improve a generic light generation arrangement and a motor vehicle light with a generic light generation arrangement.
  • the object is achieved by a light-generating arrangement of a motor vehicle light with a arranged on and / or in a carrier light source, in particular a semiconductor light source, and with a distance from the light source, transmission optical
  • Cooling fluid supply which is set up via a first
  • the primary optic element in particular by means of the
  • Cooling fluids cool.
  • Heating of the primary optic element can thus be reduced or avoided.
  • overheating of the primary optic element can thus be reduced or avoided.
  • the primary optic element can be arranged along the beam path of the light source and be spaced from the light source along the beam path next to the light source.
  • the primary optic element is made of a plastic, melting can also be prevented. Also, temperature-related discoloration can be avoided permanently.
  • the primary optic element may be formed of material of low thermal resistance or may comprise such a material.
  • PC polycarbonate
  • PMMI polymethylmethacrylimide
  • the cooling fluid may preferably be air, in particular ambient air from the surroundings of the motor vehicle light.
  • a semiconductor light source preferably a light-emitting diode (LED), for example an organic or inorganic LED
  • the light source can be controllably regulated in terms of brightness.
  • the light source can be controlled by means of pulse width modulation.
  • the light-generating arrangement in particular the at least one light source, can be signal-technically connected to a control unit of the motor vehicle or the motor vehicle light.
  • a primary light distribution generated by the light generating device may be adjustable by the control unit.
  • cooling fluid for example by means of the first fluid connection and / or via the intermediate space, one of the light source side facing the
  • Primary optic element flows against and / or flows along this side.
  • the primary optic element can be cooled especially on the side at which the strongest heating is to be expected. Because the light source
  • Interspace adjoins can also be the light source and / or the carrier by means of the cooling fluid, in particular from the front, cool.
  • both the primary optic element and the - usually only slightly spaced from the primary optic element - light source can be cooled simultaneously by means of the cooling fluid, without the need for further components.
  • the light generation arrangement may also include multiple light sources,
  • a plurality of semiconductor light sources in particular a plurality of semiconductor light sources.
  • it may have a plurality of primary optic elements, wherein preferably at least one light source is associated with at least one primary optic element.
  • one light source can each be one
  • the carrier may in particular be designed as a printed circuit board or have a printed circuit board.
  • the light source can be supplied via the carrier with electric current.
  • the cooling fluid supply for example, light as a slot of a housing of the motor vehicle and / or as a cooling fluid shaft, generally as a coolant supply, be formed.
  • the first fluid connection for example, as a cooling channel or
  • a cooling element for cooling the light source can be arranged on the light source and / or the support, wherein the cooling fluid supply can be configured to supply cooling fluid to the cooling element and / or along the cooling element via the first fluid connection and / or a second fluid connection of the light generation arrangement stream.
  • the cooling element may in particular have cooling ribs. Alternatively or additionally, it can also be designed as a cooling surface, in particular as part of the carrier, or have a cooling surface.
  • Light source by means of the cooling element directly or indirectly be cooled over the carrier.
  • the cooling fluid supply is designed as a jointly usable element.
  • it can be designed to flow cooling fluid to the primary optic element and to the cooling element.
  • the first fluid connection and the second fluid connection may have at least one common section for this purpose.
  • the cooling fluid supply can have at least one or more fluid outlets, through which the cooling fluid, on the one hand, to the primary optic element and, on the other hand, to the
  • Cooling element can get.
  • Light generation arrangement in particular the cooling fluid supply, be configured to divide the cooling fluid into two partial streams.
  • the cooling fluid supply can be designed as a passive cooling fluid supply. Cooling fluid can then be conveyed by purely thermal, natural convection. Alternatively or additionally, at least a part of the cooling fluid can be actively conveyed. For this purpose, the cooling fluid supply a
  • Cooling fluid conveyor in particular a fan, have.
  • first fluid connection and / or the second fluid connection comprise the contour of at least one fluid outlet of the cooling fluid supply, in particular of the cooling fluid conveyor, at an end facing the cooling fluid supply, the transition of the cooling fluid from the cooling fluid supply into the first and / or second fluid connection can be improved.
  • the primary optic element can be arranged on and / or in a primary optic element carrier.
  • the Primäroptikelement can be designed to be particularly flat.
  • several primary optic elements can share a common
  • Primary optic element carrier be arranged.
  • At least one of the fluid connections preferably the first
  • Primary optic element is formed.
  • one of the fluid connections may be formed at least partially by the carrier.
  • the primary optic element carrier and / or the carrier can each form a side wall of the at least one fluid connection.
  • Fluid connection are formed as separate elements.
  • the flow of the cooling fluid, in particular in the first fluid connection can be improved if the cross section of the first fluid connection at least in sections has a constant, in particular rectangular, cross-sectional area.
  • the cross section may be constant or substantially constant.
  • shape and / or dimensions, in general the geometry, in particular the first fluid connection can be selected as a function of layers and numbers of the light sources and / or primary optic elements.
  • a further improvement of the flow in particular in the region of the transition from the cooling fluid supply to the first fluid connection, results when the cross section of the first fluid connection in the direction of the primary optic element is continuous at least in sections
  • a relatively large fan in particular with a large surface area and, in particular, a large delivery rate, can also be used as cooling fluid conveyor
  • the light generation arrangement can have at least two primary optics elements, wherein preferably at least one light source is assigned to each of the primary optics elements.
  • the at least two primary optics elements can be arranged in rows, columns and / or matrix, in particular in two lines.
  • a matrix light generation device can be constructed.
  • the deployable overall light output can be increased.
  • the achievable light image, in particular the primary light distribution can be set up more flexibly.
  • the connecting pins may be formed, for example, on the primary optic element carrier. On the support then pin receiving holes, may be provided for receiving the connecting pin.
  • the at least one primary optics element can be precisely aligned with the at least one light source and / or exactly in the desired manner in a simple manner even during the production of the light generation arrangement
  • Relative position of the respective elements are positioned relative to each other. At least three may be particularly preferred
  • Flow course of the cooling fluid are particularly easy to be matched in advance to the location and / or arrangement of the primary optic element carrier.
  • the primary elemental element carrier and the carrier are of integral construction, it is also possible to reduce the number of parts of the light-generating arrangement.
  • the precise adjustment of the desired relative position can be further simplified if at least one spacer element is arranged between the carrier and / or the light source and the primary optic element carrier and / or the primary optic element.
  • Spacing element can also be designed as part of a connecting pin.
  • Primary optic element carrier and / or the primary optic element with the carrier and / or with the light source by means of hot riveting, riveting, Sheet metal nuts or screws connected and / or connectable.
  • the primary optic element can be connected to the carrier by means of hot riveting, in particular hot riveted.
  • the carrier can be connected to the cooling element, in particular screwed and / or riveted.
  • At least two light sources are independently controllable and / or switchable, in particular adjustable in brightness, are formed. This allows a particularly diverse adjustability of the generated primary light distribution and the overall light distribution generated by the motor vehicle light.
  • the light generation arrangement and / or the control unit can be designed, for example, at least one function of a
  • the zoom image To provide motor vehicle light.
  • the zoom image To provide motor vehicle light.
  • the at least one function can be used as a partial function, for example as a partial remote light, and / or as a continuous function, for example as
  • the motor vehicle light may be formed, a
  • Fig. 1 is a perspective sectional view of a motor vehicle lamp with light generating device
  • FIG. 2 is a cross-sectional view of the motor vehicle lamp of FIG. 1;
  • Fig. 3 is a detailed perspective view of a
  • Fig. 1 and Fig. 2 show a motor vehicle lamp 10 of a
  • Motor vehicle in particular a passenger car, in a perspective sectional view and in a cross-sectional view.
  • the Motor vehicle light 10 is a headlamp with at least one high beam function.
  • a light generating assembly 12 is in a housing 13 of the
  • Motor vehicle light 10 is arranged and has a plurality of light sources 14, which in turn are arranged on a carrier 16.
  • the light sources 14 are each in the form of semiconductor light sources, in particular as
  • the carrier 16 is formed as a printed circuit board. Via lines of the carrier 16, the light sources 14 are connected to a (not shown in detail in Fig. 1 and Fig. 2) control unit of the motor vehicle.
  • the light sources 14 can each be individually controlled by the control unit, in particular switched and / or regulated in the brightness, are.
  • Beam path 18 is shown in a highly schematic manner, the light sources 14 are next to each other, in particular these upstream, are
  • Transmission optical primary elements 20 arranged. to
  • the primary optics elements 20 are formed in this embodiment as collecting lenses. As can be seen from FIGS. 1 and 2, the primary optic elements 20 are spaced from the respective light sources 14. In other words, a space between them
  • Primary optic elements 20 and the light sources 14 is formed. However, the distance of the respective light source 14 from each of them
  • associated primary optic 20 low, in particular less than that Focal length of the respective primary optic element 20, which may be, for example, Im
  • Range is 0.5 to 5 mm.
  • the primary optic elements 20 are arranged on a primary optic element carrier 22.
  • a secondary optical element 24 is arranged downstream of the primary optical elements 20 along the beam paths of the light sources 14, as can be seen, for example, on the beam path 18.
  • Secondary optical element 24 is likewise designed for transmission optics, in particular as a lens.
  • the light generation assembly 12 includes a cooling fluid supply 26 that is configured to communicate via a first fluid connection 28 of the first embodiment
  • Light generation arrangement 12 cooling fluid 30 - in Fig. 1 and Fig. 2
  • the cooling fluid 30 is air in this embodiment.
  • the primary optic elements 20 are cooled by the cooling fluid 30 at their sides facing the respective light sources 14.
  • the carrier 16 and the light sources 14 from its front side, d. H. from the side facing the respective primary element 20 or from the component side of the carrier 16 formed as a printed circuit board, cooled by the cooling fluid 30 also flowing past them.
  • the first fluid connection 28 is designed as a cooling fluid channel, in particular as an air channel.
  • a side wall of the first fluid connection 28 is formed by the primary optic element carrier 22 and by the carrier 16.
  • the cooling fluid 30 thus flows during operation of the motor vehicle light 10 directly along the carrier 16. It also flows directly along the Primäroptikelementussis 22.
  • Die Fluid connection 28 has a rectangular cross section along the flow direction of cooling fluid 30, in particular in the region of primary optical elements 20. In a section between the cooling fluid supply 26 and the primary optic elements 20
  • Fluid connection 28 tapers the fluid connection 28, such as
  • Flow conditions within the first fluid connection 28 still one or more additional separations, for example partitions (not shown in Fig. 1 and Fig. 2) may be provided.
  • a cooling element 32 is, in particular for cooling the carrier 16 and arranged at this light sources 14, connected to a rear side of the carrier 16 with this, in particular screwed.
  • a partial flow of the cooling fluid 30 flows during operation via a second
  • FIG. 2 The cross-sectional view of FIG. 2 can also be seen that in the cooling fluid supply 26, a cooling fluid conveyor 36 is arranged.
  • the cooling fluid conveyor 36 is designed as a fan.
  • Cooling fluid conveyor 36 may during operation of the motor vehicle light 10th
  • Cooling fluid 30, in particular in the first and the second fluid connections 28, 34 in, are actively flowed.
  • Fluid connection 28 forms. Since air is provided as the cooling fluid 30 (FIG. 1), the result is an air guide on the primary microelement support 22.
  • the primary optic element carrier 22 can be seen.
  • the primary optic element carrier 22 can be fixed to the carrier 16 (see FIG. 1).
  • the carrier 16 expediently corresponds to the
  • Pins (not shown in FIG. 1) pin receiving holes through which the connecting pins 38 for mounting the light-generating arrangement 12 (FIG. 1).
  • the middle of the three connecting pins 38 has a cylindrical portion, through which a spacing element 40 is formed.
  • Spacer element 40 is disposed between the primary optic element carrier 22 and the carrier 16, whereby the distance between the primary optic element carrier 22 and the carrier 16 is set to a defined extent.
  • the spacer element 40 is disposed approximately in the center of the primary optic element carrier 22 and below the
  • Spacing element 40 to the primary optic elements 20 as possible is chosen small, but so large that the lighting effect of the lens is not affected (eg., By reflexes on
  • the positions of the connecting pins 38 and the dimensions of the spacer element 40 are generally selected such that the primary elemental element carrier 22 after assembly of the
  • Light generation assembly 12 automatically in a desired
  • Light sources 14 (Fig. 1) aligned and spaced at the respectively desired or required distance from these.
  • the individual primary optics elements 20 are arranged in matrix or line by line.
  • the primary optic elements 20 vary in particular in their sizes and shapes in order to produce a total of one of a desired function of the motor vehicle light 10 corresponding primary light distribution.
  • FIG. 4 shows a cross-sectional view of the motor vehicle light 10, in particular as a section through the center of the motor vehicle light 10.
  • first fluid connection 28 and the second fluid connection 34 at its end facing the cooling fluid supply 26 in cross-section, the contour of a fluid outlet 42 of the Cooling fluid supply 26, in particular of the cooling fluid conveyor 36,
  • the flow pattern shows that the transition of the cooling fluid 30 from the cooling fluid supply 26 and the cooling fluid conveyor 36 through the
  • Fluid outlet 42 into the first and the second fluid connection 28, 34 takes place aerodynamically. Over the entire course of the flow, a substantially uniform, in particular laminar flow forms.
  • Light sources 14 are cooled by the cooling fluid 30. In addition, there is an immediate cooling of the light sources 14 together with their carrier 16 (FIG. 1).
  • Light generation assembly 12 not only the light sources 14, but also with a small distance in front mounted, transmission optical and in particular designed as a front optics primary optics 20 are cooled or are cooled during operation of the motor vehicle light 10.
  • the cooling fluid flow formed by the cooling fluid conveyor 36 in the form of a fan is divided during operation into two partial flows. The first of the partial flows is directed to and along the primary optic elements 20. In this case, this partial flow also flows on the front sides of the Light sources 14 along, whereby these, in particular from the front, are coolable or cooled during operation.
  • this partial flow forms the
  • Primary optic carrier 22 has a sidewall of the first fluid connection.
  • the shape of the primary optics carrier 22 is chosen taking into account the resulting or constructively desired flow conditions.

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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)

Abstract

L'invention concerne un dispositif de production de lumière (12) d'un feu de véhicule automobile (10) comprenant une source de lumière (14) disposée sur et/ou dans un support (16), en particulier une source de lumière à semi-conducteur, et un élément optique primaire (20) à fonction optique de transmission disposé le long de la trajectoire de faisceau (18) de la source de lumière (14). L'invention se caractérise en ce que le dispositif de production de lumière (12) présente une alimentation en fluide de refroidissement (26) qui est conçue pour acheminer, par l'intermédiaire d'une première liaison fluidique (28) du dispositif de production de lumière (12), un fluide de refroidissement vers l'élément optique primaire (20) et/ou le long de l'élément optique primaire (20).
PCT/EP2018/080312 2018-01-31 2018-11-06 Dispositif de production de lumière et feu de véhicule automobile WO2019149398A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP18799522.0A EP3746697A1 (fr) 2018-01-31 2018-11-06 Dispositif de production de lumière et feu de véhicule automobile

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018102156.9 2018-01-31
DE102018102156.9A DE102018102156A1 (de) 2018-01-31 2018-01-31 Lichterzeugungsanordnung und Kraftfahrzeugleuchte

Publications (1)

Publication Number Publication Date
WO2019149398A1 true WO2019149398A1 (fr) 2019-08-08

Family

ID=64172512

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2018/080312 WO2019149398A1 (fr) 2018-01-31 2018-11-06 Dispositif de production de lumière et feu de véhicule automobile

Country Status (3)

Country Link
EP (1) EP3746697A1 (fr)
DE (1) DE102018102156A1 (fr)
WO (1) WO2019149398A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3115585A1 (fr) * 2020-10-23 2022-04-29 Psa Automobiles Sa Module lumineux avec systeme de dissipation thermique.

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007040728A1 (de) * 2007-08-29 2009-03-05 Automotive Lighting Reutlingen Gmbh Fahrzeugscheinwerfer
EP2733412A2 (fr) * 2012-11-20 2014-05-21 Koito Manufacturing Co., Ltd. Lampe véhiculaire
DE102013207845A1 (de) 2013-04-29 2014-10-30 Automotive Lighting Reutlingen Gmbh Lichtmodul für einen Kraftfahrzeugscheinwerfer
EP3147556A1 (fr) * 2015-09-24 2017-03-29 Stanley Electric Co., Ltd. Appareil d'éclairage de véhicule
JP2017091848A (ja) * 2015-11-11 2017-05-25 市光工業株式会社 車両用灯具
US20170328535A1 (en) * 2016-05-12 2017-11-16 Koito Manufacturing Co., Ltd. Vehicular lamp
JP2017212100A (ja) * 2016-05-25 2017-11-30 市光工業株式会社 車両用灯具
EP3376101A1 (fr) * 2017-03-16 2018-09-19 Valeo Vision Module optique comportant un radiateur équipé d'un évent
WO2018177979A1 (fr) * 2017-03-31 2018-10-04 HELLA GmbH & Co. KGaA Module d'éclairage pour un projecteur d'un véhicule comprenant un moyen de diffusion lumineuse à commande numérique, notamment un projecteur lcd

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007040728A1 (de) * 2007-08-29 2009-03-05 Automotive Lighting Reutlingen Gmbh Fahrzeugscheinwerfer
EP2733412A2 (fr) * 2012-11-20 2014-05-21 Koito Manufacturing Co., Ltd. Lampe véhiculaire
DE102013207845A1 (de) 2013-04-29 2014-10-30 Automotive Lighting Reutlingen Gmbh Lichtmodul für einen Kraftfahrzeugscheinwerfer
EP3147556A1 (fr) * 2015-09-24 2017-03-29 Stanley Electric Co., Ltd. Appareil d'éclairage de véhicule
JP2017091848A (ja) * 2015-11-11 2017-05-25 市光工業株式会社 車両用灯具
US20170328535A1 (en) * 2016-05-12 2017-11-16 Koito Manufacturing Co., Ltd. Vehicular lamp
JP2017212100A (ja) * 2016-05-25 2017-11-30 市光工業株式会社 車両用灯具
EP3376101A1 (fr) * 2017-03-16 2018-09-19 Valeo Vision Module optique comportant un radiateur équipé d'un évent
WO2018177979A1 (fr) * 2017-03-31 2018-10-04 HELLA GmbH & Co. KGaA Module d'éclairage pour un projecteur d'un véhicule comprenant un moyen de diffusion lumineuse à commande numérique, notamment un projecteur lcd

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Publication number Publication date
EP3746697A1 (fr) 2020-12-09
DE102018102156A1 (de) 2019-08-01

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