EP3489576A1 - Leuchtmodul zur beleuchtung und/oder signalisierung eines kraftfahrzeugs - Google Patents

Leuchtmodul zur beleuchtung und/oder signalisierung eines kraftfahrzeugs Download PDF

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Publication number
EP3489576A1
EP3489576A1 EP18208370.9A EP18208370A EP3489576A1 EP 3489576 A1 EP3489576 A1 EP 3489576A1 EP 18208370 A EP18208370 A EP 18208370A EP 3489576 A1 EP3489576 A1 EP 3489576A1
Authority
EP
European Patent Office
Prior art keywords
optical device
primary optical
face
light
light module
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.)
Granted
Application number
EP18208370.9A
Other languages
English (en)
French (fr)
Other versions
EP3489576B1 (de
Inventor
Pascal GARIN
Rémi Letoumelin
Stephane Andre
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.)
Valeo Vision SAS
Original Assignee
Valeo Vision SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Valeo Vision SAS filed Critical Valeo Vision SAS
Publication of EP3489576A1 publication Critical patent/EP3489576A1/de
Application granted granted Critical
Publication of EP3489576B1 publication Critical patent/EP3489576B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F21S41/20—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
    • F21S41/10—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
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/19—Attachment of light sources or lamp holders
    • 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
    • F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
    • F21S41/32—Optical layout thereof
    • F21S41/322—Optical layout thereof the reflector using total internal reflection
    • 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
    • F21S41/40—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades
    • F21S41/43—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades characterised by the shape 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
    • F21S41/40—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades
    • F21S41/47—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
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/10—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source
    • F21S43/19—Attachment of light sources or lamp holders
    • F21S43/195—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
    • 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
    • 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
    • F21S41/36—Combinations of two or more separate reflectors
    • F21S41/365—Combinations of two or more separate reflectors successively reflecting the light
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2102/00—Exterior vehicle lighting devices for illuminating purposes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2103/00—Exterior vehicle lighting devices for signalling purposes

Definitions

  • the present invention relates to the field of light modules used for lighting and / or signaling of motor vehicles, and it applies more particularly to light modules comprising optical devices for the formation of different light beams, and in particular a beam said crossing and a so-called road beam.
  • Automotive headlamps usually consist of a housing that is closed by a transparent wall through which pass one or more light beams.
  • This housing houses at least one light module, mainly comprising a light source and an optical system configured to conform the light generated by the light source to provide specific lighting and / or vehicle signaling services.
  • the optical system may be configured to allow projection of the output beam of the beam at the exit of the projector, in particular to limit glare for drivers of vehicles traveling in the opposite direction.
  • the light module comprises at least one light source, a primary optical device positioned vis-à-vis the light source for guiding the light rays, a cache element that can form a light source. cutting off the light rays emitted in order to form a partial light beam that may not dazzle the thirds at the output of the projector, and a lens shaping these rays to form the light beam at the output of the projector.
  • the cache element is arranged on the path of the rays, away from the light source and that it is necessary to ensure the position of the latter in the long term so that the shape given to the rays for the so-called crossing light beam is stable in time.
  • additional light modules can be associated in the same projector to achieve a high beam function, capable of illuminating a road scene with a long range, when the risk of glare of third parties is not present.
  • additional light modules also include one or more light sources and a primary optical device associated with a shaping lens for the projection of the rays.
  • light modules in which these two functions are performed, the light sources and the primary optical devices to be arranged relative to each other to perform these different functions according to the ignition of the one and / or the other light sources.
  • First light sources are turned on when it is necessary to emit a first beam type dipped beam, and second light sources are lit in addition to emit a complementary beam to the first beam to form by combining the two beams a beam of traffic light type.
  • Such arrangements may involve the provision of primary optical devices, and / or cache elements, which have a distal end face remote from a light source supporting base. It is understood that the manufacturing sets of these primary optical devices, made in series, can generate a positioning defect. A manufacturing defect at the base of the primary optical device, and in particular where the base is going to be fixed to the support, can cause a bad positioning of the device and all the more so as the cantilever is tall. Furthermore, it has become apparent that the mechanical vibrations and the temperature variations to which the light module is exposed during its use can cause, over time, a variation in the more or less pronounced inclination of these primary optical devices with respect to the light source. This inclination has the disadvantage of modifying the area illuminated by the low beam, which can prove to be unpleasant or even dangerous for the drivers of vehicles traveling in reverse. It is then necessary to carry out a regular maintenance of the light module to correct this defect to prevent any accident.
  • the invention proposes to produce a light module comprising a primary optical device whose position is less likely to vary over time vis-à-vis the light source of the light module.
  • the invention relates to a light module for lighting and / or signaling of a motor vehicle, comprising a base supporting at a first face at least one light source emitting light rays. extending substantially along an optical axis perpendicular or substantially perpendicular to the first face, and a primary optical device comprising a receiving portion facing at least a portion of the light source and a face of ray output opposite to the receiving part.
  • a light module for lighting and / or signaling of a motor vehicle, comprising a base supporting at a first face at least one light source emitting light rays. extending substantially along an optical axis perpendicular or substantially perpendicular to the first face, and a primary optical device comprising a receiving portion facing at least a portion of the light source and a face of ray output opposite to the receiving part.
  • receiving part and “output face” is meant respectively the part of the primary optical device illuminated by the light source and the face of the primary optical device by which this light is emitted towards a
  • the light module according to the invention is remarkable in that it comprises at least one arm extending projecting from the first face of the base and maintaining the primary optical device at a holding zone situated between the part of the reception and the output face of the primary optical device. In this way, it is possible to limit or prevent the inclination of the primary optical device relative to the base and to ensure a reliable position of the primary optical device in the light module.
  • the invention also covers a motor vehicle headlamp comprising at least one light module as described herein, in its most limited form or comprising one or more of the features set forth above.
  • the longitudinal or lateral designations, above, below, in front, behind refer to the orientation of the light module 2 as it is intended to be integrated in a front projector of a motor vehicle.
  • a longitudinal direction corresponds to an optical axis A along which the light rays generated by the light module 2 extend mainly.
  • the lateral orientation corresponds to a line perpendicular to the optical axis A and which extends horizontally.
  • the vertical direction corresponds to an orientation perpendicular to the optical axis A and the lateral orientation.
  • the figure 1 illustrates a light module 2 according to the invention, otherwise called optical module, whose function is to generate and project one or more light beams on a road.
  • a light module 2 is intended to be installed in a headlight of a motor vehicle not shown in the figures to facilitate understanding of the invention.
  • the projector mentioned here generally comprises a rear housing closed at the front by a transparent glass, the latter being traversed by the light rays created by the light module according to the invention.
  • Such a projector can thus receive in its interior volume, delimited by the rear housing and the transparent glass, a plurality of light module, and at least one light module according to the invention.
  • Such a light module 2 forms a unitary subassembly, that is to say an object that can fulfill its function without any other input than the electrical energy necessary for its ignition, and if necessary with the help of a power control module to protect the module from excessive temperatures.
  • the light module 2 is arranged to create a beam of low beam and a beam of high beam.
  • the light module 2 is adapted so that the road beam is the combination of the beam of crossing light with a complementary beam which illuminates above and / or below the beam of passing beam, thus forming the beam of road light.
  • the light module 2 comprises at least one light source 4, in particular visible on the figure 2 . It also comprises at least one lens 6 arranged at one end of the module so as to be traversed by the light rays emitted by the light source 4. Such forming lens 6 contributes to the formation of the desired light beam, which it is a beam type dipped beam or a beam type road. In other words, the forming lens 6 forms a first longitudinal end of the light module 2.
  • the figure 1 also shows the presence of a forming lens holder 6 which has a substantially tubular shape and which extends between a base 10 and the shaping lens 6.
  • the lens can be snapped directly onto the support, or be fixed by means of a fixing ring 11 pressing the shaping lens 6 against a longitudinal end of the support 8.
  • This support 8 also provides a mechanical referencing of the position of the shaping lens 6 with respect to the light source 4, via the base 10, so as to ensure a determined position of the shaping lens 6 with respect to the light source 4.
  • the support 8 is formed in particular by two longitudinally consecutive tubular sectors of different cross section.
  • a first tubular sector 12 bears against a first face 14 of the base 10 facing the lens, while a second tubular sector 16 extends the first tubular sector 12 and forms a receiving zone of the shaping lens 6.
  • the first tubular sector 12 can be flush with a dissipation member 18, intended to evacuate from the light module 2 at least a portion of the heat generated by the light source 4.
  • the support 8 can be made integral with the base 10 by the presence of screw pressing the support 8 against the first face 14 of the base 10.
  • FIG. 2 shows a portion of the light module 2, and in particular the base 10 without support 8, so as to facilitate understanding of the arrangement in the light module 2 of the light source 4, here composed of a set of components associated so to form three subassemblies capable of providing one after the other or at the same time light beams.
  • the light source 4 thus comprises a plurality of light-emitting diodes 22 of identical or different colors.
  • the light-emitting diodes 22 are in contact with the first face 14 of the base 10, either directly or through a thermally conductive tab.
  • the light module 2 comprises three rows of light emitting diodes substantially parallel to each other. Each row thus forms a subset of light sources among which can be distinguished a first subset of light sources 24, a second subset of light sources 26 and a third subset of light sources 28. It is understood that the illustrated arrangement is given by way of example, and that the light emitting diodes could for example be arranged to form three functional subsystems without a parallel array arrangement being visible on the module.
  • the first subset of light sources 24 is responsible for creating the light rays for a first light beam type dipped beam
  • the second subset of light sources 26 is responsible for creating light rays for a complementary light beam additionally forming with the first beam a second high beam-type beam
  • the third subset of light sources 28 is responsible for creating the light beams to overcurrent a central area at the edge of the second beam, namely the edge forming a junction with the first beam when the two beams are projected simultaneously.
  • the first subset of light sources 24 comprises six light-emitting diodes 22 substantially aligned in a lateral direction.
  • the second subset of light sources 26 and the third subset of light sources 28 respectively comprise four and two light-emitting diodes 22 distributed over two substantially lateral lines, the second subset of light sources 26 being positioned between the first subset of light sources 24 and the third subset of light sources 28.
  • Each of the sub-sets of light sources 24, 26 and 28 is disposed against the first face 14 of the base 10, in a central zone on this first face 14 as is apparent from the figure 2 . This allows to clear around this central area a peripheral area to allow the attachment of a frame 30 according to one aspect of the invention.
  • the chassis 30, in particular visible on the figures 2 and 3 and at least one primary optical device 50 disposed opposite a subset of light sources, in particular visible on the figure 4 .
  • the chassis 30 shown in FIGS. figures 2 and 3 comprises a frame 32 delimiting a closed contour of rectangular shape.
  • the dimensions of the frame are adapted so as to allow its positioning around the light source 4 and its holding against the first face 14 of the base 10 by means of screws 20.
  • the light source 4 is thus surrounded by the frame 32.
  • the shape and dimensions of the frame can be adapted according to the size and shape of the light source 4.
  • the frame 32 has a first face 34 intended to be pressed against the first face 14 of the base 10 when the frame is fixed on the base.
  • the frame 30 also comprises two arms 36 extending from the frame 32 towards the shaping lens 6 in a longitudinal or normal direction relative to the plane defined by the frame 32.
  • the arms 36 extend from opposite edges of the frame 32, and they are more particularly positioned at each end of the lateral line formed by the second subset of light sources 26.
  • the arms 36 respectively have an inner face 38 facing the opposite arm, so that the inner faces 38 of the arms are vis-à- screw.
  • Each inner face 38 has a groove 40 extending over a portion of the arm 36. Specifically, each groove 40 extends to open on the first face 34 of the frame as shown in FIG. figure 3 .
  • the grooves 40 are preferably identical and of suitable dimensions to allow the guiding of a lug 42 secured to the primary optical device which will be described later.
  • Each arm 36 also has an opening 44 at a distal end 46, the opening 44 being disposed in the longitudinal extension of the groove 40.
  • distal is meant the end of an arm 36 which is the farthest from the base 10 and the light source 4, and is therefore closest to the shaping lens 6.
  • the openings 44 pass right through each arm 36.
  • the openings 44 are sized to each accommodate a pin 42 as mentioned above after its guidance by a groove 40 corresponding. It is understood that unlike the grooves 40, the openings 44 are intended to lock in position the lug along the inner face 38 of the arm 36.
  • the openings and the lugs are here an example of embodiment of complementary members carried by the arms of the frame and by the primary optical device 50 as will be described in more detail below, these complementary bodies having shapes configured to allow this lock in position.
  • the holding zone 62 is here formed in the vicinity of the distal end 46 of each arm, it being understood that it could be arranged more or less far from the outlet face 54 with respect to what is illustrated. However, it is desirable for this holding zone, to ensure a stability of the device, to be arranged closer to the exit face 54 at the end of the guide body 53 of the primary optical device than of the reception portion 52 of this primary optical device. 50.
  • chassis 30 has at its first face 34 notches 48, configured to define receiving spaces of lugs 74 integral with optical elements, as will be described below.
  • a light module 2 also comprises at least one primary optical device 50 as illustrated in FIG. figure 4 , which can be arranged directly facing the light source 4, between the latter and the shaping lens 6.
  • this primary optical device 50 also participates in the formation a beam of light of the high beam type, by guiding the light rays inside the optical device, only to the formation of a light beam of the dipped-beam type, by cutting off the rays treated elsewhere by another primary optical device.
  • the primary optical device 50 comprises a light-receiving portion 52 emitted by the second subset of light sources 26, a longitudinally extending guide body 53 having at its free end, that is to say the opposite end to the receiving portion 52, an exit face of the spokes 54.
  • the guide body 53 has a block shape delimited by principal faces 56 and lateral faces 58 for guiding light emanating from the receiving portion 52 to the exit face 54 and to the shaping lens 6.
  • At least one main face 56 namely the main face turned on the side of the first subset of light sources 24, may be provided with an opaque or reflective coating, aimed at to cut the rays emitted by the first subset of light sources 24.
  • the primary optical device 50 also comprises two legs 66 arranged respectively in the extension of a lateral face 58, on either side of the receiving portion 52.
  • Each leg 66 comprises at its free end, opposite the guide body 53, a tab 67 forming a bend and having a contact face with the first face 14 of the base 10.
  • the lug 67 comprises, projecting from this contact face, a pawn 68 configured to fit into a hole in the first face 14 of the base 10 (not visible in the figures).
  • the insertion of the pins 68 into the base 10 facilitates positioning on the base 10 of the assembly formed by the pre-assembly of the frame 32 and the primary optical device 50, while ensuring that the receiving part 52 of the device primary optics 50 is correctly positioned relative to the second subset of light sources 26.
  • the primary optical device 50 is then held against the first face 14 of the base 10 via the frame 32.
  • a set of primary optical devices configured to be respectively opposite a subset of light sources, with additional optical devices arranged on either side of the primary optical device described above, has been made visible.
  • additional primary optical devices it is possible to distinguish a first additional primary optical device 71, arranged opposite the first subset of light sources 24, and a second additional primary optical device 72 arranged opposite the third subset of light sources. 28.
  • the first and second additional primary optical devices 71, 72 for example take the form of collimators, each collimator being arranged to collect at least a portion of the light rays of the light source and to redirect said light rays to the shaping lens 6.
  • first and second additional primary optical devices 71, 72 may include holding tabs 74 configured to fit into the notches 48 formed in the first face 34 of the frame 32 to ensure their position. by clamping against the base 10 by said frame 32.
  • the additional primary devices 71, 72 are held against the first face 14 of the base 10 via the frame 32 of the frame 30.
  • a light module equipped with such a set of optical devices makes it possible, in particular, to form a beam of the dipped-beam type by the emission of light rays through the first additional primary optical device 71, and the formation of a beam of light. high beam type by the simultaneous emission of light rays through each of the primary optical devices of the module.
  • the primary optical device previously described in the form of a block, participates on the one hand in guiding the light rays emitted by the second subset of light sources 26 to the exit face 54 and, on the other hand, in the cut-off rays propagating between the first additional primary optical device 71 and the shaping lens 6.
  • the presence of the arm 36 and the holding means arranged between this arm and the primary optical device is necessary in this context, where the primary optical device is elongated so that the exit face, opposite the base 10, is arranged at a great distance from this base.
  • the dimension between the base 10 and the output face of the primary optical device otherwise called the length L of the primary optical device, is greater than the dimension of this primary optical device according to any parallel axis. in the plane defining the first face 14 of the base 10, and for example its thickness E visible on the figure 8 .
  • This second embodiment differs from the foregoing in that the arms 136 are here integral with the base 10, so as to form a one-piece assembly, instead of being carried by an independent frame. It is understood that the arm extends projecting from the base at a greater distance from the primary optical device than when the arm is carried by a frame capable of covering the tabs extending the primary optical device. In the example illustrated, the arms are arranged on the base periphery of these tabs, so as not to interfere with their attachment to the base.
  • the primary optical device 50 comprises at least one bar 76 projecting from the lateral face 58, for a distance sufficient to come into operation. taken in a slot 78 made in the corresponding arm 136.
  • each arm 136 comprises, in the vicinity of the free end, such a slot 78, each slot having a shape and dimensions complementary to those of the bar 76 arranged projecting from the lateral face 58 of the primary optical device 50.

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  • 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)
EP18208370.9A 2017-11-27 2018-11-26 Leuchtmodul zur beleuchtung und/oder signalisierung eines kraftfahrzeugs Active EP3489576B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1761222A FR3074257B1 (fr) 2017-11-27 2017-11-27 Module lumineux pour l’eclairage et/ou la signalisation d’un vehicule automobile

Publications (2)

Publication Number Publication Date
EP3489576A1 true EP3489576A1 (de) 2019-05-29
EP3489576B1 EP3489576B1 (de) 2022-03-16

Family

ID=61873396

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18208370.9A Active EP3489576B1 (de) 2017-11-27 2018-11-26 Leuchtmodul zur beleuchtung und/oder signalisierung eines kraftfahrzeugs

Country Status (4)

Country Link
US (1) US11098870B2 (de)
EP (1) EP3489576B1 (de)
CN (1) CN110030528A (de)
FR (1) FR3074257B1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021008865A1 (de) * 2019-07-12 2021-01-21 HELLA GmbH & Co. KGaA Projektionsscheinwerfer für fahrzeuge
WO2021105058A1 (fr) * 2019-11-28 2021-06-03 Valeo Vision Elément optique et module lumineux d'un véhicule automobile équipé d'un tel élément optique
FR3113107A1 (fr) * 2020-07-30 2022-02-04 Psa Automobiles Sa Boîtier aval pour module optique destiné à équiper un véhicule automobile

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US20190162380A1 (en) 2019-05-30
CN110030528A (zh) 2019-07-19
FR3074257B1 (fr) 2020-11-13
EP3489576B1 (de) 2022-03-16
US11098870B2 (en) 2021-08-24
FR3074257A1 (fr) 2019-05-31

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