EP3299702B1 - Optisches leuchtmodul eines kraftfahrzeugs - Google Patents

Optisches leuchtmodul eines kraftfahrzeugs Download PDF

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Publication number
EP3299702B1
EP3299702B1 EP17190835.3A EP17190835A EP3299702B1 EP 3299702 B1 EP3299702 B1 EP 3299702B1 EP 17190835 A EP17190835 A EP 17190835A EP 3299702 B1 EP3299702 B1 EP 3299702B1
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EP
European Patent Office
Prior art keywords
substrate
support
optical module
optical
module according
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EP17190835.3A
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English (en)
French (fr)
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EP3299702A1 (de
Inventor
Cyril Dubuc
Pascal GARIN
Fabrice EGAL
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Valeo Vision SAS
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Valeo Vision SAS
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
    • F21V13/02—Combinations of only two kinds of elements
    • 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
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
    • F21S41/141—Light emitting diodes [LED]
    • F21S41/147—Light emitting diodes [LED] the main emission direction of the LED being angled to the optical axis of the illuminating device
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/19—Attachment of light sources or lamp holders
    • F21S41/192—Details of lamp holders, terminals or connectors
    • 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
    • F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
    • F21S41/32—Optical layout thereof
    • F21S41/321—Optical layout thereof the reflector being a surface of revolution or a planar surface, e.g. truncated
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
    • F21S41/39—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
    • F21S45/47—Passive cooling, e.g. using fins, thermal conductive elements or openings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • F21V17/12—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by screwing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/08—Devices for easy attachment to any desired place, e.g. clip, clamp, magnet
    • F21V21/088—Clips; Clamps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/502—Cooling arrangements characterised by the adaptation for cooling of specific components
    • F21V29/503—Cooling arrangements characterised by the adaptation for cooling of specific components of light sources
    • 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 relates to an optical module for a motor vehicle, also called a light module or a lighting module.
  • the invention relates more particularly to an optical module designed to emit at least two light segments which can be activated selectively, for example for the production of a headlight or projector comprising at least one such optical module.
  • such a light module comprises a substrate, at least two light sources mounted on the substrate, each of which can be selectively activated to emit light rays, primary optical means which are arranged to form primary light beams from the light rays emitted by each light source, and secondary optical means arranged to project each of the primary light beams to form said light segments.
  • the primary optical means are made in the form of a primary optical element such as a collector or lens, in one piece, which must be precisely positioned with respect to the light sources so that, for each source , the light rays emitted by the light source enter a light guide belonging to the primary optical element.
  • a primary optical element such as a collector or lens
  • the secondary optical means are produced in the form of a reflector element which is for example a converging mirror, which must also be positioned with precision, in particular by adding to the primary optical element.
  • optical modules examples are illustrated in documents FR-A-2,979,971 or FR-A-2.964.724
  • optical module of a motor vehicle is illustrated in the document WO-A1-2013 / 037799 .
  • the invention aims to provide a design of such an optical module which makes it possible to solve the problems mentioned above relating to the need to position the various optical components with precision.
  • optical module 10 comprising, arranged vertically from bottom to top, a cooling unit 12, a substrate 14, a collector 16 constituting the primary optical means, a single support 18, and a reflector 20 constituting the means. secondary optics.
  • the optical module 10 and all of its components generally have a design symmetry with respect to a median vertical and longitudinal plane PVL.
  • the module is designed to emit axially forward (along the axis A corresponding to the longitudinal direction L indicated in the figures) light beams F.
  • the cooling unit 12 is here a radiator made in a single piece molded from a heat-conducting material.
  • the cooling unit 12 is delimited by a flat horizontal upper face 22 of generally rectangular outline.
  • the upper face 22 of the cooling unit 12 is delimited by two longitudinal side edges 24, and by two rear transverse edges 26 and front 28.
  • the cooling unit 12 is extended by a longitudinal fixing heel 30 which is delimited by a horizontal upper face 32 parallel to the upper face 22, but vertically offset downwards with respect to to the latter.
  • the upper face 22 comprises four indexing pins in position 12-A which extend vertically upwards, above the plane of the upper face 22.
  • the upper face 22 comprises, at an angle, a coding finger 34.
  • the cooling unit 12 In its upper face 22, the cooling unit 12 has two transversely opposed fixing holes 36, each of which is able to receive a rear screw 38 for fixing the support 18.
  • the heel 30 In its upper face 32, the heel 30 has a central fixing hole 37 adapted to receive a front screw 40 for fixing and tightening the support 18.
  • the cooling unit 12 In its upper face 22, the cooling unit 12 has two indexing holes 12-B in the position of the support 18.
  • the cooling unit 12 comprises a series of three recesses 22B, the function of which will be explained later.
  • the substrate 14 is a horizontal plate of rectangular outline almost identical to that of the upper face 22 of the cooling unit 12.
  • the substrate 14 In the vicinity of its rear transverse edge, the substrate 14 comprises a notch 42 which receives the coding finger 34.
  • the substrate 14 is delimited vertically by a horizontal lower face 13 which is adjacent to the upper face 22 of the cooling unit 12, here with the interposition of a sheet 44 of thermal conductivity.
  • the substrate 14 comprises a series of through holes including: four indexing holes 14-B complementary to the indexing fingers 12-A for the precise positioning of the substrate 14 relative to the cooling block 12; two holes 46 aligned with the holes 36 for the passage of the rear fixing screws 38; two indexing holes 15-B for indexing in position of the support 18; and three holes and notches 48 aligned with the recesses 22B.
  • the upper face 15 of the substrate 12 carries a series of five light sources 50 in the form of light-emitting diodes, as well as a resistor 52. These components 50 and 52 are welded to the upper face 15 of the substrate. which is for example a printed circuit board.
  • the upper face 15 of the substrate carries electrical and electronic components 54 for connecting the substrate 14 and the module 10 and for supplying and controlling the light sources 50.
  • the support 18 is a molded plastic part which comprises a vertical back plate 56 for fixing the support 12, for example on a frame (not shown) allowing the mounting and fixing of several optical modules.
  • Support 18 also includes a generally horizontal lower portion 58 which extends longitudinally forward from the lower portion of rear plate 56.
  • the lower part 58 has a lower face 62.
  • the lower face 62 comprises two bearing rings 64, each of which defines a flat annular bearing surface 66.
  • the two bearing surfaces 66 are coplanar and are designed to bear vertically on annular screw portions. -à -vis 67 the upper face 15 of the substrate 14.
  • Each support ring 64 is centrally crossed by a hole 68 for the passage of a fixing screw 38.
  • each fixing screw 38 bears by its head on a portion of the upper flat surface 70 surrounding the hole 68.
  • the lower horizontal part 58 of the support 18 comprises two vertical indexing fingers 18-A, each of which is designed to be received in a complementary indexing hole 15-B of the substrate 14, then in a hole of 12-B indexing of the cooling unit 12, so as to precisely position the support 18 relative to the substrate 14 and to the cooling unit 12.
  • the horizontal lower part 58 of the support 18 comprises a fixing and clamping tab 70 with an L-profile which extends vertically downwards and then horizontally forwards.
  • the lower face 72 of the tab 70 comprises a support ring 74 which defines a flat annular support surface 76.
  • the support ring 74 is designed to bear on a corresponding portion of the upper face 32 of the front heel 30.
  • the support ring 74 is centrally crossed by a hole 78 for the passage of the fixing screw 40.
  • the design and dimensions of the fixing lug 70 are such that it is elastically deformable during the fixing and tightening operations by means of the screw 40, the head of which is supported on a portion of the upper flat surface 80 surrounding the hole 78 .
  • the lower face 62 of the support 18 comprises two pins 77 formed projecting vertically downwards and having a profile in the form of a convex spherical cap, each of which is designed to cooperate with a corresponding portion of the collector 16 as will be explained later.
  • Each pin 77 is formed on a branch 79 of longitudinal orientation, which is stiffened by an upper rib.
  • the rear fixing plate 56 has a series of three indexing fingers 56-A which extend vertically upwards as well as a fixing hole 82 surrounded by a bearing surface 84 for the mounting and fixing of the reflector 20.
  • the “central” finger performs a keying function for the correct positioning of the reflector 20.
  • the horizontal lower plate 58 of the support 18 comprises a main recess 19 allowing the passage of the upper part of the collector 16.
  • the support 18 In its central part, substantially adjacent to the upper part of the manifold 16, the support 18 comprises a bulge 100, which comprises an upper wall 102 which is delimited by a front concave circular edge 104.
  • the wall 102 is a protective wall to avoid the so-called “sunburn” phenomenon. This phenomenon results, in certain situations, from the accidental penetration of solar radiation inside the optical module by reflection on the reflective front face 21 of the reflector 20, then through the collector 16, thus causing a local heating phenomenon which is harmful to the light-emitting diodes 50, which may, if necessary, lead to their destruction.
  • the wall 102 makes it possible to defocus the beam resulting from the solar radiation relative to the support 18
  • the collector 16 which is illustrated in detail in figures 11 and 12 , is a molded plastic part which comprises an upper part 90 for guiding and transforming the light rays emitted by the light-emitting diodes 50 and which extends through the main opening 19 of the support 18:
  • the collector 16 comprises a lower fixing base which is here constituted by two side blocks 92, each of which is delimited by a flat lower bearing face 94.
  • the two flat bearing surfaces 94 are designed to come to bear, vertically towards the front. bottom, on portions facing the upper face 15 of the substrate 14 located at the level of the recesses 22-B and the holes and notches 48.
  • the side blocks 92 carry three vertical indexing fingers 16-A which extend downward and which are designed to cooperate in a complementary manner with the indexing holes and notches 48 of the substrate 14.
  • the collector 16 can be indexed in position with a keying function, with respect to the substrate 14, to the support 18, and to the cooling unit 12.
  • the precise indexing in position of the collector 16 with respect to the substrate 14 is important to guarantee a good positioning of the collector 16 with respect to the light emitting diodes 50.
  • the collector 16 comprises a series of light guides 91, each of which is delimited downwards by a facet 93 which constitutes the entry surface into the collector 16 of the light emitted by the light emitting diode 50. arranged opposite the facet 93.
  • Each side block 92 is delimited upwards by a portion of flat surface 96.
  • each side block 92 is housed inside a branch 79 of the support 18, and each portion of flat surface 96 constitutes a bearing surface for a pin 77 associate which exerts a point force of support vertically downwards in order to press the collector 16 into contact with the upper face 15 of the substrate 14.
  • the fixing and tightening of all the components 12, 14, 16 and 18 is carried out by stacking these components with their relative position indexes, then by screw fixing by means of the rear fixing screws 38 and the front fixing screw 40.
  • the lug 70 Due to the elastically deformable design of the fixing lug 70, during screwing and axial tightening of the screw 40, the lug 70 is elastically deformed to permanently exert a clamping force to press each side block 92 of the manifold 16 on. the upper face 15 of the substrate 14.
  • the reflector is a plastic molded part which is indexed in position and which is fixed to the support 18, more precisely to the upper part of the rear plate 56 of the support 18.
  • the reflector 20 For its positioning and its fixing on the support 18, the reflector 20 has a rear horizontal upper tab 86 which has three complementary indexing holes 86-B.
  • the indexing fingers 56-A are received in the indexing holes 86-B, and the fixing bracket 56 is mounted to tighten in vertical support on the support surface 84 by a fixing screw 88.
  • the reflector 20 is thus indexed in position on the support 18 and, indirectly, with respect to the collector 16.

Claims (9)

  1. Optisches Modul (10) eines Kraftfahrzeugs zum Emittieren von mindestens zwei Lichtsegmenten, die selektiv aktiviert werden können, wobei das Modul Folgendes umfasst:
    - ein Substrat (14);
    - mindestens zwei Lichtquellen (50), die an dem Substrat (14) montiert sind, von denen jede selektiv aktiviert werden kann, um Lichtstrahlen zu emittieren;
    - primäre optische Mittel (16), die dazu eingerichtet sind, anhand der durch jede Lichtquelle (50) emittierten Lichtstrahlen primäre Lichtbündel zu bilden;
    - sekundäre optische Mittel (20), die dazu eingerichtet sind, jedes der primären Lichtbündel zu projizieren, um die Lichtsegmente zu bilden,
    wobei das optische Modul Folgendes umfasst:
    - eine einzelne Stütze (18), die das Substrat (14), die primären optischen Mittel (16) und die sekundären optischen Mittel (20) trägt, und
    - Mittel (16-A, 48) zum Positionieren der primären optischen Mittel (16) mit Bezug auf das Substrat (14); dadurch gekennzeichnet, dass die primären optischen Mittel (16):
    - Mittel (16-A) zum Indexieren in Position umfassen, die mit komplementären Mitteln (48) des Substrats (14) zusammenwirken;
    - durch Einklemmen zwischen der Stütze (18) und dem Substrat (14) in der indexierten Position fixiert werden.
  2. Optisches Modul nach Anspruch 1, dadurch gekennzeichnet, dass die sekundären optischen Mittel (20) :
    - Mittel (86-B) zum Indexieren in Position umfassen, die mit komplementären Mitteln (56-A) der Stütze (18) zusammenwirken;
    - an der Stütze (18) fixiert werden.
  3. Optisches Modul nach Anspruch 1, dadurch gekennzeichnet, dass es einen Kühlblock (12) umfasst, der an das Substrat (14) angrenzt.
  4. Optisches Modul nach Anspruch 3, dadurch gekennzeichnet, dass der Kühlblock (12) Mittel (12-A) zum Indexieren in Position umfasst, die mit komplementären Mitteln (14-B) des Substrats (14) zusammenwirken.
  5. Optisches Modul nach Anspruch 4, dadurch gekennzeichnet, dass das Substrat (14) durch Einklemmen zwischen dem Kühlblock (12) und der Stütze (18) fixiert wird.
  6. Optisches Moduls nach einem der Ansprüche 3 bis 5, dadurch gekennzeichnet, dass die Stütze (18) mit Hilfe von Klemmschrauben (38, 40) an dem Kühlblock (12) fixiert wird.
  7. Optisches Modul nach einem der Ansprüche 3 bis 6, dadurch gekennzeichnet, dass das Substrat (14) eine horizontale Platte ist, die vertikal zwischen einer Oberseite (22) des Kühlblocks (12) und einer unteren Auflageebene (66) der Stütze (18) eingefügt ist.
  8. Optisches Modul nach Anspruch 7, dadurch gekennzeichnet, dass die Stütze (18) mindestens zwei untere Auflagezonen (66) umfasst, die die untere Auflageebene auf der Oberseite (22) des Substrats (14) begrenzen, und eine elastisch verformbare Lasche (70) umfasst, die an dem Kühlblock (12, 30) fixiert wird und dadurch das Einklemmen der primären optischen Mittel (16) zwischen der Stütze (18) und dem Substrat (14) sicherstellt.
  9. Optisches Modul nach Anspruch 8, dadurch gekennzeichnet, dass die primären optischen Mittel (16) Folgendes umfassen:
    - eine untere Auflageseite (94), die mit der Oberseite (15) des Substrats (14) zusammenwirkt;
    - und mindestens eine obere Klemmseite (96), auf die die elastisch verformbare Lasche (70) der Stütze (18) wirkt.
EP17190835.3A 2016-09-26 2017-09-13 Optisches leuchtmodul eines kraftfahrzeugs Active EP3299702B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1659049A FR3056690B1 (fr) 2016-09-26 2016-09-26 Module optique lumineux de vehicule automobile

Publications (2)

Publication Number Publication Date
EP3299702A1 EP3299702A1 (de) 2018-03-28
EP3299702B1 true EP3299702B1 (de) 2021-04-07

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US (1) US10378723B2 (de)
EP (1) EP3299702B1 (de)
CN (1) CN107869691B (de)
FR (1) FR3056690B1 (de)

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US10823356B1 (en) 2019-12-20 2020-11-03 Valeo Vision Device and method of focusing a light
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FR3056690A1 (fr) 2018-03-30
FR3056690B1 (fr) 2019-08-02
CN107869691B (zh) 2021-09-21
EP3299702A1 (de) 2018-03-28
CN107869691A (zh) 2018-04-03
US10378723B2 (en) 2019-08-13
US20180087730A1 (en) 2018-03-29

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