EP3299700A1 - Leuchtmodul, insbesondere zur beleuchtung und/oder signalisierung für kraftfahrzeug - Google Patents

Leuchtmodul, insbesondere zur beleuchtung und/oder signalisierung für kraftfahrzeug Download PDF

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Publication number
EP3299700A1
EP3299700A1 EP17188775.5A EP17188775A EP3299700A1 EP 3299700 A1 EP3299700 A1 EP 3299700A1 EP 17188775 A EP17188775 A EP 17188775A EP 3299700 A1 EP3299700 A1 EP 3299700A1
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EP
European Patent Office
Prior art keywords
light
module
submodule
sub
segments
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
EP17188775.5A
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English (en)
French (fr)
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EP3299700B1 (de
Inventor
Michel Hermitte
Sébastien Bera
Julian GUERET
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
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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
Priority to EP21170810.2A priority Critical patent/EP3872397A1/de
Publication of EP3299700A1 publication Critical patent/EP3299700A1/de
Application granted granted Critical
Publication of EP3299700B1 publication Critical patent/EP3299700B1/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
    • F21S41/60—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
    • 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
    • F21S41/19—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
    • F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • F21S41/25—Projection lenses
    • F21S41/255—Lenses with a front view of circular or truncated circular outline
    • 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
    • F21S41/25—Projection lenses
    • F21S41/26—Elongated lenses
    • 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
    • F21S41/50—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by aesthetic components not otherwise provided for, e.g. decorative trim, partition walls or covers
    • 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
    • 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
    • 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
    • F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
    • F21Y2103/10—Elongate light sources, e.g. fluorescent tubes comprising a linear array of point-like light-generating elements

Definitions

  • the field of the present invention is that of the light modules for a motor vehicle, and in particular the lighting and / or signaling modules.
  • a motor vehicle is equipped with headlamps, or headlights, intended to illuminate the road in front of the vehicle, especially at night or in bad weather.
  • headlamps can generally be used in two lighting modes: a first mode “high beam” and a second mode “low beam”.
  • the "high beam” mode provides strong illumination of the road far ahead of the vehicle, with the risk of dazzling oncoming road users.
  • the “low beam” mode provides more limited road lighting, but still offers good visibility without dazzling other road users.
  • These two lighting modes are complementary.
  • the driver of the vehicle must manually change the mode according to the lighting conditions and other users of the road. Manually changing the mode may be unreliable and dangerous under certain conditions.
  • the high beam mode provides visibility sometimes unsatisfactory for the driver of the vehicle.
  • ADB Adaptive Driving Beam
  • Such an ADB function is intended to automatically detect a user of the road likely to be dazzled by a beam of light emitted in headlight mode by a projector, and to modify the outline of this beam of light in a manner to create a shadow zone at the location of the detected user.
  • the advantages of the ADB function are multiple: comfort of use, better visibility compared to a lighting in dipped beam mode, better reliability for the change of mode, risk of dazzling greatly reduced, driving safer.
  • a system comprising a plurality of light sources, a primary optical element and an associated projection optical element forming a secondary optics, in which the primary optical element comprises a plurality of light sources.
  • the primary optical element comprises a plurality of light sources.
  • light guides having contiguous edges at the output, the outputs of the guides of the primary optical element being positioned in an object focal plane of the secondary optics.
  • each light source enters the associated light guide, propagates possibly inside a corrective part common to each guide, then is emitted via the output face of the corrective part towards the optical element secondary associate.
  • the light emitted by each optical guide exit zone and projected by the secondary optical element forms a vertical light segment at the front of the vehicle.
  • the light sources can be switched on independently of one another selectively to obtain the desired illumination.
  • Such a lighting system nevertheless has certain disadvantages.
  • industrialization is made difficult.
  • the present invention aims to provide a light module whose mounting and adjustment are simplified.
  • the present invention relates to a light module comprising on the one hand at least two submodules each comprising at least two light sources selectively activatable to each perform a light segment, and secondly a projection optics common to both sub-modules for projecting said light segments, the sub-modules and the projection optics being arranged to produce a homogeneous segmented beam, when all the segments are activated together.
  • the light module according to the invention thus makes it possible to provide a Matrix Beam function with a single light module, in a compact manner.
  • the submodules of the light module according to the invention may comprise the same number of light sources, or comprise a different number of light sources.
  • Each sub-module has a separate support for its light sources.
  • the light module comprises a plate for supporting the submodules.
  • the submodules may in particular be arranged at one end of the plate and the projection optics at an opposite end of the plate.
  • the support of at least one submodule comprises a front face carrying at least two light sources and a rear face configured to come into contact with a wall of the plate, and in particular against the front face of this wall.
  • the rear face of the sub-module support and / or the front face of the wall of the plate to have at least one flat portion.
  • each sub-module comprises a support of this type.
  • Each sub-module is fixed to the plate by a fixing means.
  • Each submodule may be fixed by screwing, gluing, riveting, riveting or any other suitable fastening means.
  • the sub-modules are fixed by screwing on the plate, and that for this purpose, the plate has at least one orifice while each support has a bore associated with one of the orifices of the plate.
  • Each orifice / bore pair is intended to receive a fixing screw, the orifice of the plate or the bore of the support has a larger section than that of the fixing screw.
  • the head of the screw is on the side of the orifice which has the widest section. Screwing can therefore be done from the front or from the rear depending on which orifice has the wider section.
  • the submodules are able to be adjusted in rotation and / or in translation, independently of each other, to produce a homogeneous beam. More particularly, the source supports are able to be set in rotation, independently of each other, to obtain this homogeneous beam.
  • the support comprises at least one gripping finger.
  • the gripper finger manipulates the submodule to adjust it.
  • the manipulation to adjust the submodule can be performed by a human operator or by a machine, automatically or not.
  • Each sub-module has a plurality of light sources configured to effect the formation of a segmented partial light beam.
  • the light segments of a partial light beam emitted by a submodule are placed side by side.
  • each sub-module is adjusted so that the light segments corresponding to a submodule are contiguous with the light segments corresponding to the neighboring sub-module, or so that the corresponding light segments to a submodule are interlaced with the light segments corresponding to another submodule.
  • the light segments can intertwine with the light segments of a neighboring or non-neighboring sub-module, and this interleaving makes it possible to obtain a light segment overlap, making it possible to selectively ignite the bands of the global light beam projected by the luminous module with a light intensity evolving progressively on both sides of the band or strips left extinct.
  • the overlap of the light segments may have a width of 1 / n, where l is the width of the light segment and n is the number of submodules, but other examples of recovery may be envisaged.
  • This feature makes it possible in particular to obtain, in a single module of simple design with a single projection optics for a plurality of independent sub-modules and adjustable independently of each other, the possibility of having a segmented beam beam type beam.
  • the light module may furthermore comprise a control device capable of selectively activating or deactivating one or more light segments.
  • the selective activation of one or more light segments can be performed by the user, or automatically in conjunction with a detection system.
  • the light segments are oriented vertically or substantially vertically. By essentially vertical, it is meant that the light segments may have an angle between 0 and 20 ° relative to a vertical axis.
  • the module may further comprise at least one optical element in the vicinity of the light sources and forming a primary optic adapted to cooperate with the single projection optics thus forming a secondary optics, the optical assembly making it possible to produce the light segments.
  • the optical element forming the primary optics can be arranged in each submodule.
  • the primary optics are located next to the sources. They can be formed by microlenses. More particularly, the light module comprises as many microlenses as light sources, each light source collaborating with a microlens.
  • the light module further comprises at least one projection lens.
  • This projection lens is arranged to project the light segments emitted by the submodules.
  • This projection lens may or may not be curved.
  • the light module may comprise at least one field lens.
  • the field lens may comprise a plurality of portions each defining an optical aberration correction lens of the projection lens.
  • the field lens is positioned on the platen.
  • the light module may further comprise at least one separator between the submodules.
  • the separator (s) are arranged to prevent parasitic rays from one submodule to another.
  • the separator (s) are positioned on the plate.
  • the light sources collaborate with at least one of the primary optics, the field lens, the separators and the projection lens to produce a homogeneous segmented beam.
  • a clamp controlled by the photometric bench can grab the support of the sub-module to adjust it.
  • the input of the submodule is done by the gripping finger specific to each submodule. More particularly, the capture can be done by a gripping hole disposed in the gripping finger. The input hole is arranged to allow input by the desired adjustment tool.
  • the sub-module is adjusted by rotating along a vertical axis, along a transverse axis and / or according to a plane defined by these two axes.
  • one or more process steps can be performed in an automated manner.
  • the longitudinal, vertical and transverse denominations relate to an axis corresponding to the general direction of the rays emitted by the light source.
  • the longitudinal direction corresponds to the general direction of the light rays emitted by the light source.
  • the forward direction designates the direction of emission of light rays by the light source, the backward direction designating the opposite direction.
  • the directions mentioned above are also visible in a trihedron L, V, T shown in the figures.
  • the light module 1 comprises at least two sub-modules 2, each comprising at least one light source 3 (in particular visible on the figure 2 ), and a projection optic 4 common to the at least two submodules 2.
  • the light module 1 comprises four sub-modules 2.
  • Two sub-modules 2 comprise five light sources 3, the other two sub-modules 2 having seven light sources 3.
  • the light module 1 further comprises a plate 6 which has a first face 60 on which are arranged the different elements constituting the light module 1.
  • the sub-modules 2 are arranged at a first longitudinal end of the plate 6, while the projection optical 4 of the light module 1, common to each of the submodules, is disposed at an opposite longitudinal end of the plate 6, opposite to the sub-modules 2.
  • the projection optic 4 here consists of a curved projection lens with an input face 41 facing the light sources 3 and the associated sub-modules and an output face 42.
  • the projection optics 4 is common to each sub-module 2, and it collaborates with the light sources 3 and optical elements associated with the light sources and forming primary optics 22, so as to project in a controlled manner the light rays emitted by the light sources 3.
  • the plate 6 comprises at the first longitudinal end, in order to fix the submodules 2, a vertical wall 61 extending the flat base of the plate.
  • the sub-modules 2 are arranged on a front face 62 of this vertical wall 61, ie the face disposed facing the projection optic 4.
  • the front face 62 of the vertical wall 61 of the plate 6 is flat or substantially flat.
  • the plate 6 further comprises a heat sink 7 arranged on a rear face 64 of the vertical wall 61 of the plate 6, said rear face 64 being disposed opposite the front face 62 on which the submodules 2 are arranged.
  • the heat sink 7 is arranged to effectively dissipate the heat generated by the light sources 3 and the electronic components on board the submodules 2.
  • the heat sink 7 comprises a plurality of fins arranged vertically, but it can advantageously be arranged in a different manner.
  • the light module further comprises a field lens 8 and a separator 9, also arranged on the plate 6 of the module between the plurality of sub-modules 2 and the projection optics common to each of the sub-modules. modules, so as to deflect, segment and conform the rays emitted by the on-module light sources onto the submodules to appropriately direct them to the common projection optics at the output of the module.
  • Sub-modules 2 each comprise a support 21, which, as is particularly visible on the figure 2 , has a front face 211 and a rear face 212, defining between them the thickness of the plate forming the support 21, and a lower portion and an upper portion defined in the vertical direction according to the final arrangement in the vehicle.
  • the light sources 3 of the submodules are arranged on the front face 211 of the support 21, and these light sources 3 are aligned transversely in the upper part of the support 21.
  • Each sub-module 2 further comprises an optical element 22 arranged facing the light sources and configured to cooperate with the projection optics common to all the submodules, this common projection optics thus forming a secondary optics co-operating with the optical element forming a primary optics 22 embedded on the sub-modules for generating a lighting and / or signaling light beam.
  • the primary optics 22 is arranged facing each of the light sources 3, between the light sources 3 and the projection optics 4 forming the secondary optics.
  • the primary optics 22 comprises at least one microlens 23, and preferably a microlens 23 by light source 3.
  • the microlenses 23 may in particular have a hemispherical or essentially hemispherical shape.
  • They are formed of a material or an alloy of transparent or translucent material. They are formed and arranged to collaborate with the light sources 3 in order to project in a controlled manner the light rays emitted by the light sources 3 in the direction of the secondary optics, so as to obtain segmented partial light beams 5.
  • Projecting the rays in a controlled manner means that we obtain a ray beam at the output of the module that complies with the specifications and regulations, in terms of shape, color and power. Controlled radii do not include little or no chromatic aberration.
  • Each light source support 3 comprises a threaded through bore 215, arranged essentially in the center of the support 21. More particularly, each threaded bore 215 is disposed substantially in the center of the support 21, and extends from one face to the other of the support 21.
  • the plate 6 further comprises an orifice configured on the vertical wall 61 for each support 21, the orifices being arranged in transverse series.
  • the orifices are aligned or essentially aligned along a transverse axis, so as to correspond to the threaded bores 215 of the supports 21 of light sources 3.
  • this fastening means 26 consists of a clamping screw, whose rod diameter is substantially equal to that of the threaded bores 215. It is understood that the diameter of the orifices in the vertical wall is slightly greater than that of the threaded bores 215 to to make sure not to block the passage to the fixing screw 26 through the bores. In the example of the figure 1 all threaded bores 215 have the same diameter, but the diameter of one or more threaded bores 215 may be different from the others. Similarly, if all the orifices on the vertical wall 61 may have the same diameter, it is conceivable that the diameter of one or more of these orifices is different from the others.
  • the fixing screws 26 are inserted by the rear face 64 of the vertical wall 61 of the plate, and they pass through the orifices of the plate to fit into the threaded bores 215 of the supports 21, the remaining screw heads of the kind on the side of the rear face 64 of the vertical wall 61.
  • the supports 21 each comprise at least one gripping finger 24, which extends perpendicularly the support projecting from the rear face 212 thereof, being arranged at one end of this support, here in the vicinity of the upper edge.
  • Each gripping finger 24 comprises at least one gripping hole 25, arranged to allow the gripping and manipulation of the supports 21 by an operator or a machine in order to obtain the desired orientation of each support before their attachment in the light module.
  • the gripping finger comprises two gripping holes 25, configured to collaborate with any machine tool useful for the manufacture, assembly or adjustment of the light module 1.
  • the field lens 8 is disposed on the plate 6, between the submodules 2 and the projection optic 4.
  • the field lens 8 is divided into several portions 81 each defining a correction lens. optical aberration specifically associated with one of the submodules and protrude substantially perpendicularly from a base 83 of the field lens 8, so as to be in the path of the rays emitted by the light sources towards the projection lens 4.
  • each portion 81 of the field lens 8 collaborates with a submodule 2 and with the projection optics 4 for projecting in a controlled manner the light rays emitted by the light sources 3.
  • the light module 1 also comprises a separator 9 configured to compartmentalize all the rays emitted by the light sources into a plurality of successive bands, and in particular to intercept the parasitic rays emitted by the submodules 2.
  • the rays parasites are the light rays emitted by the light sources 3 of a submodule 2 whose path deviates significantly from the general axis of the light rays, these parasitic rays may interfere with the optimal operation of the neighboring sub-modules 2.
  • the separator 9 is formed or covered with an opaque material capable of absorbing light rays.
  • the separator 9 is also arranged on the plate 6, between the submodules 2 and the field lens 8.
  • the separator 9 comprises longitudinal walls 91 arranged in transverse series and which extend respectively between the portions 81 of the lens 8 and between the submodules 2.
  • the separator thus makes it possible to define light distribution conduits 92, from a submodule 2 disposed at a longitudinal end of the separator to a field lens arranged at the opposite longitudinal end.
  • the parasitic rays emitted by the light sources 3 of a submodule 2 are absorbed by the longitudinal walls 91 of the distribution ducts 92, and the majority of the light rays emitted by each submodule 2 is directed towards the corresponding portion 81 of the field lens then projected in a controlled manner to the projection optics 4, common to each distribution duct 92.
  • Each sub-module 2 (designated 2A to 2D on the figure 1 ) thus participates in the creation of a partial light beam (designated 5A to 5D on the figure 3 ) projected at the output of the common projection lens, and each partial light beam is segmented due to the series arrangement of a plurality of light sources in each submodule.
  • two non-consecutive sub-modules 2A and 2C comprise seven light sources and seven associated microlenses and the partial light beams 5A and 5C they participate in projecting have seven segments, while the other two sub-modules 2B and 2D, therefore non-consecutive as well, comprise five light sources and five associated microlenses so that the partial light beams 5B and 5D they participate in projecting have five segments.
  • the light segments of a partial light beam are placed side by side, and these different partial light beams 5A,..., 5D projected at the output of the common projection optics are interlaced, so that in the overall light beam 5 , constituted by the addition of the partial beams, a lighting strip 51 may consist, in particular in the center of the overall beam, by the superposition of a plurality of light segments respectively belonging to one of the partial light beams.
  • the light segments of a submodule are interleaved with the light segments of another submodule.
  • a lighting strip 51 can thus be illuminated or not depending on the ignition or not of this or that segment, and the light intensity of this lighting strip can be varied according to the number of illuminated light segments which compose it.
  • each band 51 thus consists of a part of four different light segments, each of which emanates from a partial light beam 5 produced by the cooperation of a specific sub-module and the common projection optics and distinct submodule .
  • the light module 1 In normal operation, when the vehicle is the only one to circulate, all the light sources 3 is illuminated.
  • the light module 1 thus illuminates to the maximum of its capabilities the route taken by the vehicle.
  • the light strip 51 'directly in the vicinity of the extinguished lighting strip 51 is formed by the same second source of the second sub-module 2B, third source of the third submodule 2C, and second source of the fourth sub-module 2D, which are thus extinguished, as well as by the third source of the first submodule 2A, generator of the first partial light beam 5A, which has remained lit, selectively with respect to the fourth source of the first sub-module module 2A.
  • the light strip 51 'directly adjacent to the off light strip 51 is illuminated with a light intensity substantially corresponding to a quarter of the maximum light intensity.
  • the second light strip 51 "disposed directly in the vicinity of the light strip 51 'partially lit is formed by the same second source of the second sub-module 2B and third source of the third submodule 2C that the lighting strip extinguished as well as by the third source of the first sub-module 2A, generator of the first partial light beam 5A, and the first source of the fourth sub-module 2D, which have remained lit, selectively with respect to the fourth source of the first sub-module 2A and the second source of the fourth sub-module 2D, it follows that this second light band 51 "is lit with a light intensity substantially corresponding to half of the maximum light intensity.
  • This progressive evolution of the luminous intensity of the lighting strips is made possible by the segmentation of each of the partial light beams 5A, ..., 5D, and the selective activation of the light sources generating these partial light beams, by the superimposition from the set of partial light beams into a homogeneous overall light beam when all the segments are lit together, and by the angular offset of each partial light beam relative to each other so that the segments of a sub-light -module are interlaced with the segments of the neighboring submodule.
  • each of the partial light beams is notably made possible by the presence of a plurality of light sources in each sub-module, these light sources can be activated independently of each other.
  • the superposition of all the partial light beams into a homogeneous, segmented overall light beam is made possible by the presence of a projection optic common to each of the submodules, the projection optics being configured to present on the path of the rays emitted by each sub-module a section adapted to correct the rays to obtain a homogeneous beam output.
  • a projection optic common to each of the submodules the projection optics being configured to present on the path of the rays emitted by each sub-module a section adapted to correct the rays to obtain a homogeneous beam output.
  • each submodule will be positioned correctly relative to the others so that the overlap of the light segments of a sub-module with those of a neighboring sub-module has a desired width, the width being equal to 1 / n, with the width of the light segment and n the number of submodules.
  • the sub-modules 2 are assembled by assembling the elements of the submodules 2 together, in particular by fixing the light sources 3 on the support 21 in a transverse series, and then fixing the optical element 22. on the support 21, so as to arrange the microlenses 23 opposite the light sources.
  • all the elements of the light module 1 are positioned on the plate 6, by placing from one longitudinal end to the other of the plate, in particular the projection lens 4, the field lens 8 and separators 9.
  • Each sub-module 2 is then placed on the vertical wall 61 of the plate 6, fixing these sub-modules independently of each other with a fixing screw 26 specific to each submodule.
  • a submodule is brought against the vertical wall, in particular by manipulating the submodule by means of the gripping finger 24, by pressing the rear face 212 of a support 21 against the front face 62 of the vertical wall 61, and matching the threaded bore 215 of the support 21 with the corresponding orifice formed in the vertical wall 61. It may in particular provide indexing means to facilitate the positioning of the support 21 and the alignment of the orifices.
  • partial unscrewing of the fixing means 26 is carried out to allow mobility of the submodule with respect to the vertical wall of the plate.
  • a robot is controlled to manipulate the submodule in rotation, about an axis substantially parallel to the vertical wall 61, by means of the gripping finger.
  • the robot can be driven to manipulate the submodules 2 according to translations, for example along the directions T and V. As soon as the recalculated position for each submodule is obtained, the fastening screw is tightened again.
  • the invention described above makes it possible in particular to obtain a matrix beam, of the Matrix Beam type, with a light module 1 embarked on a plate a projection optics common to a plurality of submodules, easy to mount independently of platinum, and easy to adjust.

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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)
EP17188775.5A 2016-09-26 2017-08-31 Leuchtmodul, insbesondere zur beleuchtung und/oder signalisierung für kraftfahrzeug Active EP3299700B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP21170810.2A EP3872397A1 (de) 2016-09-26 2017-08-31 Leuchtmodul zur beleuchtung für kraftfahrzeug

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1659044A FR3056683B1 (fr) 2016-09-26 2016-09-26 Module lumineux, notamment d'eclairage et/ou de signalisation pour vehicule automobile

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP21170810.2A Division-Into EP3872397A1 (de) 2016-09-26 2017-08-31 Leuchtmodul zur beleuchtung für kraftfahrzeug
EP21170810.2A Division EP3872397A1 (de) 2016-09-26 2017-08-31 Leuchtmodul zur beleuchtung für kraftfahrzeug

Publications (2)

Publication Number Publication Date
EP3299700A1 true EP3299700A1 (de) 2018-03-28
EP3299700B1 EP3299700B1 (de) 2021-09-15

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EP21170810.2A Pending EP3872397A1 (de) 2016-09-26 2017-08-31 Leuchtmodul zur beleuchtung für kraftfahrzeug
EP17188775.5A Active EP3299700B1 (de) 2016-09-26 2017-08-31 Leuchtmodul, insbesondere zur beleuchtung und/oder signalisierung für kraftfahrzeug

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EP21170810.2A Pending EP3872397A1 (de) 2016-09-26 2017-08-31 Leuchtmodul zur beleuchtung für kraftfahrzeug

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US (1) US11168861B2 (de)
EP (2) EP3872397A1 (de)
JP (1) JP7337479B2 (de)
CN (2) CN114110523A (de)
FR (1) FR3056683B1 (de)

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WO2021009018A1 (fr) * 2019-07-15 2021-01-21 Valeo Vision Dispositif lumineux pour véhicule automobile
EP4303482A1 (de) * 2022-07-07 2024-01-10 ZKW Group GmbH Beleuchtungsvorrichtung für einen kraftfahrzeugscheinwerfer mit nebeneinander angeordneten beleuchtungseinheiten

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EP3591282B1 (de) * 2017-02-28 2021-05-05 Honda Motor Co., Ltd. Lampeneinheitsträgerstruktur für scheinwerfer und scheinwerferherstellungsverfahren
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FR3085737B1 (fr) * 2018-09-07 2021-04-02 Valeo Vision Piece optique monobloc de vehicule automobile comprenant une modification de structure
US10704757B2 (en) * 2018-10-19 2020-07-07 Valeo North America, Inc. Lighting unit for automotive headlamp
FR3118122B1 (fr) * 2020-12-18 2023-02-24 Valeo Vision Module lumineux d’un dispositif d’éclairage de véhicule automobile

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EP3671012A1 (de) * 2018-12-18 2020-06-24 ZKW Group GmbH Beleuchtungsvorrichtung für einen kraftfahrzeugscheinwerfer sowie kraftfahrzeugscheinwerfer
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Also Published As

Publication number Publication date
FR3056683B1 (fr) 2019-04-05
CN114110523A (zh) 2022-03-01
CN107869692B (zh) 2021-12-31
EP3299700B1 (de) 2021-09-15
EP3872397A1 (de) 2021-09-01
US20180087737A1 (en) 2018-03-29
FR3056683A1 (fr) 2018-03-30
US11168861B2 (en) 2021-11-09
JP2018056124A (ja) 2018-04-05
CN107869692A (zh) 2018-04-03
JP7337479B2 (ja) 2023-09-04

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