EP3604902A1 - Dispositif optique pour une phare de véhicule automobile comprenant guides de lumière - Google Patents

Dispositif optique pour une phare de véhicule automobile comprenant guides de lumière Download PDF

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Publication number
EP3604902A1
EP3604902A1 EP18187242.5A EP18187242A EP3604902A1 EP 3604902 A1 EP3604902 A1 EP 3604902A1 EP 18187242 A EP18187242 A EP 18187242A EP 3604902 A1 EP3604902 A1 EP 3604902A1
Authority
EP
European Patent Office
Prior art keywords
light
holder
cover element
region
projection
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.)
Withdrawn
Application number
EP18187242.5A
Other languages
German (de)
English (en)
Inventor
Lukas Taudt
Rene Kamleithner
Dominik Wanitschek
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZKW Group GmbH
Original Assignee
ZKW Group 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 ZKW Group GmbH filed Critical ZKW Group GmbH
Priority to EP18187242.5A priority Critical patent/EP3604902A1/fr
Priority to CN201980051448.7A priority patent/CN112469940A/zh
Priority to PCT/EP2019/068786 priority patent/WO2020025291A1/fr
Priority to JP2021505877A priority patent/JP6999065B2/ja
Priority to KR1020217005374A priority patent/KR102506798B1/ko
Priority to US17/264,425 priority patent/US11248765B2/en
Priority to EP19742151.4A priority patent/EP3830472B1/fr
Publication of EP3604902A1 publication Critical patent/EP3604902A1/fr
Withdrawn legal-status Critical Current

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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
    • F21S41/10—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
    • F21S41/10—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]
    • F21S41/151—Light emitting diodes [LED] arranged in one or more lines
    • F21S41/153—Light emitting diodes [LED] arranged in one or more lines arranged in a matrix
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • F21S41/24—Light guides
    • 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
    • F21S41/29—Attachment thereof
    • 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
    • F21S45/10—Protection of lighting devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
    • F21S45/40—Cooling of lighting devices
    • F21S45/49—Attachment of the cooling means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2105/00—Planar light sources
    • F21Y2105/10—Planar light sources comprising a two-dimensional array of point-like light-generating elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Definitions

  • the invention further relates to a motor vehicle headlight with at least one lighting device according to the invention or with at least one light module with at least one lighting device according to the invention.
  • the above-mentioned lighting devices are usually used in connection with light modules or motor vehicle headlights to generate light distributions, preferably a low beam and / or high beam distribution.
  • light from light sources is fed into the respective light entry surfaces of the light-guiding bodies, which light accumulates in the light-guiding bodies by means of reflection and / or total reflection Propagates side walls of the light guide body, the light emerging again via the light exit surfaces of the respective light guide.
  • the primary optics or the light guide bodies of the primary optics are positioned precisely in relation to the corresponding light sources.
  • a holder can be provided which holds the light guide bodies in position with respect to the light sources, such a holder being able to be made from a plastic.
  • high temperatures can occur due to the heat radiation from the light sources. Since the light guide bodies and therefore also the holder are positioned relatively close and at a short distance from the light sources, undesirable thermal damage or deformation of the holder and thus also a change in the position of the light guide bodies or due to heat conduction can also result in thermal damage due to the heat effect of the Operating light sources occur.
  • Damage or misalignment of the light guide body in turn, can result in the light image depicted not meeting the desired requirements.
  • a cover element is arranged between the holder and the light sources, which serves as a kind of heat shield. It should be noted, however, that the distance between the light-guiding bodies and the light sources is not changed and a suitable installation for fixing them to the holder is found, since there is little installation space between the holder and the light sources.
  • the at least one second engagement element is designed as a projection projecting from the holder with an engagement section which has a height and a width extending from the holder and an end section which has a height and a width
  • the at least one first engagement element is designed as a guide recess in the cover element, the guide recess having a first region and a second region which is tapered in comparison to the first region, which second region extends along a push-on direction and has a width running transversely to the push-on direction, the projection being insertable into the first region of the guide recess and being displaceable within the guide recess such that the second region of the guide recess can be pushed onto the engagement section of the projection by means of a displacement of the cover element in the push-on direction.
  • the primary optics can advantageously be manufactured in one piece from a transparent, light-conducting and moldable plastic.
  • One-piece is to be understood to mean the production of the primary optics from one piece, preferably by means of an injection molding process.
  • the primary optics can be made from a silicone material.
  • the primary optics are made of a poly (organo) siloxane.
  • the holder has an opening area with at least one opening in which the light guide bodies can be received and positioned.
  • the individual light-guiding bodies can be held particularly well in their position with respect to the light sources if the holder and / or the cover element for each light-guiding body has an opening in which the assigned light-guiding body is accommodated and positioned in a precisely fitting manner.
  • the openings are holes or receptacles in the holder or the cover element, with a precisely adapted cross section for the respective light guide body; these are inserted into the assigned openings and held in the desired position by the holder.
  • the holder and / or the cover element have openings corresponding to the number of light guide bodies, each of which is assigned to a light guide body.
  • the holder and / or the cover element receive the light guide bodies at their end regions facing the light entry surfaces.
  • the light guide bodies can protrude slightly to the rear from the receptacle or the openings of the cover element or can be flush.
  • the light guide bodies are frustoconical or trapezoidal.
  • the cover element is designed as a plate or as a sheet, which plate rests on the holder in a pushed-on state. It can be provided that the plate or sheet has deformations according to the shape of the holder.
  • the width of the engagement section can advantageously be smaller than the width of the end section.
  • the width of the second region of the guide recess corresponds at least to the width of the engagement section of the projection.
  • the width of the engagement section should preferably be only slightly smaller than the width of the second region of the guide recess in order to prevent the cover element from being displaced transversely to the push-on direction.
  • the end section of the projection has a taper in the opposite direction to the push-on direction.
  • the cover element has a thickness, the height of the engagement section of the projection corresponding at least to the thickness of the cover element, preferably the thickness in the region of the guide recess of the cover element.
  • the cover element can advantageously have a constant thickness.
  • the holder can have at least one stop element, which stop element is set up to limit the displacement of the cover element in the direction of the push-on direction, preferably at least two stop elements being provided.
  • At least two first engaging elements and at least two second engaging elements corresponding to the first engaging elements are provided.
  • At least one first engagement element and a corresponding second engagement element are preferably arranged above and below the openings of the cover element or above and below the opening area of the holder.
  • the terms “above” / “below” refer to the longitudinal axis of the primary optics or the base body of the primary optics, preferably transverse to the main emission direction of the light sources, in the assembled state of the optical device.
  • the "main emission direction” is to be understood as the direction in which the light sources emit the most or the most light due to their directivity.
  • At least one thickening element is arranged on a side of the end section of the projection which is opposite the cover element in the pushed-on state of the cover element or on a side of the end section of the projection which faces the holder, the distance between the holder and the at least one thickening element is less than the height of the engagement section of the projection, preferably at least two thickening elements being arranged on the end section.
  • the cover element is additionally pressed onto the holder when it is pushed onto the holder, so that the cover element is fixed as firmly as possible on the holder.
  • the thickening elements are rounded or represent part of a spherical body. This makes it even easier to slide on the cover element.
  • At least one latching lug is arranged on the holder, which is set up to snap into a fixing recess corresponding to the latching lug and which is provided on the cover element.
  • the locking lug and the fixing recess are preferably arranged in such a way that the locking lug only fully engages in the fixing recess when the cover element abuts or strikes against the stop elements.
  • the object is also achieved with an illumination device with at least one optical device and a number of light corresponding to the number of light guide bodies emitting light sources, which light is provided for feeding into the at least one optical device.
  • the lighting device is preferably a “pixel light device”, the light sources being arranged in rows and columns.
  • the light sources can be controlled independently of one another, as a result of which different light distributions can be generated, in particular an adaptive high beam light distribution.
  • the light sources each comprise one or more light-emitting diodes.
  • each light source in each case comprises one or more light-emitting diodes.
  • Each light source can preferably be controlled separately and switched on and off accordingly, preferably also dimmable. If a light source consists of several light-emitting diodes, it can also be advantageous if each of the light-emitting diodes can be controlled separately.
  • the object is also achieved by a light module with at least one lighting device according to the invention.
  • the object is achieved with a motor vehicle headlight with at least one lighting device according to the invention or a light module with at least one lighting device according to the invention.
  • a low beam and / or a high beam can be generated, for which purpose, for example, the left headlight and the right headlight each comprise a lighting device and / or light module according to the invention, with which the left and the right part of the Light distribution can be generated.
  • the light exit direction in front of the holder is a secondary lens, usually a lens, by means of which the respective light distribution can be generated.
  • the lighting device and / or light module according to the invention can also be used for a reversing light.
  • Fig. 1 shows an exemplary optical device 1 in an exploded view, wherein a plurality of light sources 10 are arranged on a rear side of the device 1 and are configured to emit light beams in a main emission direction.
  • the optical device 1 comprises a primary optic 100 with a base body 101 and with a plurality of light guide bodies 110 projecting from the base body 101 , which light guide bodies in FIG Fig. 1 are arranged in the main emission direction of the light sources and each have a light entry surface 120 , into which the light beams of the light sources can be fed, and a light exit surface 130 .
  • the device 1 comprises a holder 200 , on which the base body 101 of the primary optics 100 can be arranged or fastened on a front side of the holder 200 , the light guide bodies 110 of the primary optics passing through the holder 200 through an opening area 210 of the holder 200 .
  • the device 1 comprises a cover element 300 , which is arranged on a rear side of the holder 200 facing away from the base body 101 of the primary optics 100 and has a thickness d1 , preferably a constant thickness, the cover element 300 having a number and corresponding to the number of light guide bodies 110 having the light guide bodies 110 corresponding openings 310, which openings are arranged 310, light guide body 110 of the primary optical system 100 receive and hold in position.
  • the cover member 300 is to engage in the example shown by means of five disposed on the cover member 300 first engaging elements 410 which are respectively provided on the holder 200 disposed on the second engagement members 420, connected to the holder 200th
  • the second engagement elements 420 are each formed as protruding from the holder 200 protrusion 420 and the first engagement members 410 and guide groove 410 in the cover 300th 2A, 2B and 2C each show detailed views of the connectable engagement elements.
  • the protrusions 420 have - as for example in FIG Figure 2A can also be seen more clearly — an engagement section 421 , which has a height h1 extending from the holder 200 and a width b1 , and an end section 422 , which has a height h2 and a width b2 and a length 12 .
  • the width b1 of the engagement section 421 is smaller than the width b2 of the end section 422.
  • Each guide recess 410 has a first region 411 with a width b4 and a length 14 and a second region 412 which is tapered in comparison to the first region 411 , which second region 412 extends along a slide-on direction X and has a width b3 running transversely to the slide-on direction X , as in FIG Figure 2A you can see.
  • a projection 420 or its end section 422 can be passed through the first region 411 of a guide recess 410 , so that the second region 412 of the guide recess 410 can be pushed onto the engagement section 421 of the projection 420 by means of a displacement of the cover element 300 in the push-on direction X , whereby the width b3 of the second region 412 of the guide recess 410 corresponds at least to the width b1 of the engagement section 421 of the projection 420 , and the height h1 of the engagement section 421 of the projection 420 corresponds at least to the thickness d1 of the cover element 300 , preferably the thickness in the region of the guide recess 410 of the cover element 300 .
  • width b2 and the length 12 of the end section 422 of the projection 420 are at least slightly smaller than the width b4 and the length 14 of the first region 411 of the guide recess 410.
  • Figure 2A shows an engagement section 421 of a projection 420 partially pushed into the second area 412 of the guide recess 410 .
  • Figure 2B shows a cross section from the representation in Figure 2A along the section AA, wherein it can be seen that the end section 422 of the projection 420 has a taper in terms of its height h2 against the push-on direction X.
  • Fig. 3 and F ig. 4 each show an assembled state of the optical device 1 , in which the cover element 300 is connected to the holder 200 or is completely pushed onto the holder 200 .
  • the holder 200 in the example shown has two stop elements 210 , which stop elements 210 are set up to limit the displacement of the cover element 300 in the direction of the push-on direction X.
  • the stop elements 210 are, for example, so arranged on the holder 200 such that an outer edge portion or a border edge of the cover 300 rests in a fully pushed state of the cover 300 to the stop elements 210 and strikes.
  • a locking lug is disposed on the holder 200 220 which is arranged in a corresponding fixing recess 220 for locking lug 320 which is provided on the cover 300 to snap.
  • Fig. 5 shows a side view of the assembled optical device 1, wherein the light sources 10, as already mentioned, are additionally shown.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
EP18187242.5A 2018-08-03 2018-08-03 Dispositif optique pour une phare de véhicule automobile comprenant guides de lumière Withdrawn EP3604902A1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
EP18187242.5A EP3604902A1 (fr) 2018-08-03 2018-08-03 Dispositif optique pour une phare de véhicule automobile comprenant guides de lumière
CN201980051448.7A CN112469940A (zh) 2018-08-03 2019-07-12 用于机动车大灯的具有光传导件的光学的装置
PCT/EP2019/068786 WO2020025291A1 (fr) 2018-08-03 2019-07-12 Dispositif optique pour projecteur de véhicule automobile à guides de lumière
JP2021505877A JP6999065B2 (ja) 2018-08-03 2019-07-12 自動車投光装置用の光学装置
KR1020217005374A KR102506798B1 (ko) 2018-08-03 2019-07-12 광도파관들을 포함한 자동차 헤드램프용 광학 장치
US17/264,425 US11248765B2 (en) 2018-08-03 2019-07-12 Optical device for a motor vehicle headlight comprising optical waveguides
EP19742151.4A EP3830472B1 (fr) 2018-08-03 2019-07-12 Dispositif optique pour une phare de véhicule automobile comprenant guides de lumière

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP18187242.5A EP3604902A1 (fr) 2018-08-03 2018-08-03 Dispositif optique pour une phare de véhicule automobile comprenant guides de lumière

Publications (1)

Publication Number Publication Date
EP3604902A1 true EP3604902A1 (fr) 2020-02-05

Family

ID=63144884

Family Applications (2)

Application Number Title Priority Date Filing Date
EP18187242.5A Withdrawn EP3604902A1 (fr) 2018-08-03 2018-08-03 Dispositif optique pour une phare de véhicule automobile comprenant guides de lumière
EP19742151.4A Active EP3830472B1 (fr) 2018-08-03 2019-07-12 Dispositif optique pour une phare de véhicule automobile comprenant guides de lumière

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP19742151.4A Active EP3830472B1 (fr) 2018-08-03 2019-07-12 Dispositif optique pour une phare de véhicule automobile comprenant guides de lumière

Country Status (6)

Country Link
US (1) US11248765B2 (fr)
EP (2) EP3604902A1 (fr)
JP (1) JP6999065B2 (fr)
KR (1) KR102506798B1 (fr)
CN (1) CN112469940A (fr)
WO (1) WO2020025291A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4001073A1 (fr) * 2020-11-17 2022-05-25 ZKW Group GmbH Dispositif optique pour optique de phare de motocyclette

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US20050140270A1 (en) * 2003-12-02 2005-06-30 Henson Gordon D. Solid state light device
FR2982006A1 (fr) * 2011-09-13 2013-05-03 Valeo Vision Module optique a reference commune, pour eclairage et/ou signalisation d'un vehicule automobile
DE102012213843B3 (de) * 2012-08-03 2013-09-19 Automotive Lighting Reutlingen Gmbh Primäroptikeinheit für ein Lichtmodul
WO2014009185A1 (fr) * 2012-07-13 2014-01-16 Hella Kgaa Hueck & Co. Ensemble modulaire comportant des modules à semi-conducteur pivotants pour un phare
DE102015103649A1 (de) * 2015-03-12 2016-09-15 Hella Kgaa Hueck & Co. Lichtmodul mit Mitteln zur Justage zwischen einer Lichtquelle und einem optischen Element
DE102016223832A1 (de) * 2015-11-30 2017-06-01 Koito Manufacturing Co., Ltd. Fahrzeuglampe
EP3339720A1 (fr) * 2016-12-19 2018-06-27 Automotive Lighting Reutlingen GmbH Ensemble d'optique primaire destiné à être utilisé dans un dispositif d'éclairage du véhicule automobile et dispositif d'éclairage du véhicule automobile doté d'un tel ensemble d'optique primaire

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AT511761B1 (de) * 2011-08-08 2014-02-15 Zizala Lichtsysteme Gmbh Led-lichtquellenmodul für einen fahrzeugscheinwerfer sowie fahrzeugscheinwerfer und fahrzeugscheinwerfersystem
AT512865B1 (de) * 2012-05-09 2014-12-15 Zizala Lichtsysteme Gmbh Beleuchtungseinrichtung für einen Kraftfahrzeugscheinwerfer sowie Lichtmodul und Kraftfahrzeugscheinwerfer mit Beleuchtungseinrichtung
AT513206B1 (de) 2012-07-18 2015-04-15 Zizala Lichtsysteme Gmbh Leuchteinheit für einen Scheinwerfer
DE102013225949A1 (de) * 2013-12-13 2015-06-18 Automotive Lighting Reutlingen Gmbh Kraftfahrzeugscheinwerfer
KR102518368B1 (ko) * 2016-04-06 2023-04-13 삼성전자주식회사 조명 장치
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US20050140270A1 (en) * 2003-12-02 2005-06-30 Henson Gordon D. Solid state light device
FR2982006A1 (fr) * 2011-09-13 2013-05-03 Valeo Vision Module optique a reference commune, pour eclairage et/ou signalisation d'un vehicule automobile
WO2014009185A1 (fr) * 2012-07-13 2014-01-16 Hella Kgaa Hueck & Co. Ensemble modulaire comportant des modules à semi-conducteur pivotants pour un phare
DE102012213843B3 (de) * 2012-08-03 2013-09-19 Automotive Lighting Reutlingen Gmbh Primäroptikeinheit für ein Lichtmodul
DE102015103649A1 (de) * 2015-03-12 2016-09-15 Hella Kgaa Hueck & Co. Lichtmodul mit Mitteln zur Justage zwischen einer Lichtquelle und einem optischen Element
DE102016223832A1 (de) * 2015-11-30 2017-06-01 Koito Manufacturing Co., Ltd. Fahrzeuglampe
EP3339720A1 (fr) * 2016-12-19 2018-06-27 Automotive Lighting Reutlingen GmbH Ensemble d'optique primaire destiné à être utilisé dans un dispositif d'éclairage du véhicule automobile et dispositif d'éclairage du véhicule automobile doté d'un tel ensemble d'optique primaire

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4001073A1 (fr) * 2020-11-17 2022-05-25 ZKW Group GmbH Dispositif optique pour optique de phare de motocyclette
WO2022106179A1 (fr) * 2020-11-17 2022-05-27 Zkw Group Gmbh Dispositif optique pour optique de phare de motocyclette

Also Published As

Publication number Publication date
EP3830472B1 (fr) 2023-03-15
WO2020025291A1 (fr) 2020-02-06
KR20210035260A (ko) 2021-03-31
EP3830472A1 (fr) 2021-06-09
KR102506798B1 (ko) 2023-03-07
JP2021532560A (ja) 2021-11-25
US20210310627A1 (en) 2021-10-07
JP6999065B2 (ja) 2022-02-04
US11248765B2 (en) 2022-02-15
CN112469940A (zh) 2021-03-09

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