EP3299710A1 - Luminous module and luminous device for motor vehicle comprising such a luminous module - Google Patents

Luminous module and luminous device for motor vehicle comprising such a luminous module Download PDF

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Publication number
EP3299710A1
EP3299710A1 EP17190832.0A EP17190832A EP3299710A1 EP 3299710 A1 EP3299710 A1 EP 3299710A1 EP 17190832 A EP17190832 A EP 17190832A EP 3299710 A1 EP3299710 A1 EP 3299710A1
Authority
EP
European Patent Office
Prior art keywords
optical element
support
light
light module
light source
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
EP17190832.0A
Other languages
German (de)
French (fr)
Other versions
EP3299710B1 (en
Inventor
Michel Hermitte
Sébastien Bera
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
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Application filed by Valeo Vision SAS filed Critical Valeo Vision SAS
Priority to EP19168257.4A priority Critical patent/EP3537040B1/en
Publication of EP3299710A1 publication Critical patent/EP3299710A1/en
Application granted granted Critical
Publication of EP3299710B1 publication Critical patent/EP3299710B1/en
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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
    • F21S41/295—Attachment thereof specially adapted to projection 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
    • F21S41/10—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
    • 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
    • F21S41/25—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
    • F21S41/20—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
    • 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
    • F21V17/005—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages with keying means, i.e. for enabling the assembling of component parts in distinctive positions, e.g. for preventing wrong mounting
    • 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
    • F21V17/06—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages the fastening being onto or by the lampholder
    • 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
    • F21V17/16—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 deformation of parts; Snap action mounting
    • F21V17/164—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 deformation of parts; Snap action mounting the parts being subjected to bending, e.g. snap joints
    • 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
    • F21W2102/00—Exterior vehicle lighting devices for illuminating purposes
    • F21W2102/10—Arrangement or contour of the emitted light
    • F21W2102/13—Arrangement or contour of the emitted light for high-beam region or low-beam region
    • 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
    • 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 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 projectors may comprise one or more light modules comprising a light source, an optical deflection element, a projection optics, each of these elements being mounted on a support.
  • Each element of the module is fixed to the support by at least one fixing element, the support being itself fixed to the vehicle.
  • the elements usually constituting these light modules are generally bulky and complicated to assemble and parameterize so as to obtain light rays that meet the photometric standards.
  • the present invention aims to provide a light module whose mounting and adjustment are simplified.
  • a light module comprises at least one source a light source, a support of the light source and an optical element able to receive rays emitted by the light source, the optical element comprising means for positioning this optical element on the support in a predetermined position and elastic fixing means for this optical element on the support in the predetermined position.
  • the predetermined position is understood as the desired theoretical position of the optical element with respect to the position of the light source (s).
  • the positioning means make it possible to ensure the correct position of the optical element before it is fixed on the support of the light source. And according to the invention, the assembly of a light module is facilitated by the integration of positioning means and elastic fixing means in the optical element, thus reducing the number of assembly steps or the risk of Game.
  • the light source support is arranged to receive at least one printed circuit board and / or an electronic component, or to directly form the printed circuit board on which light sources and electronic components are mounted.
  • the support may consist of a flat wall against which is plated a printed circuit board, the light source being fixed on this card.
  • the optical element is arranged against the support. It can in particular be plated on the support, that is to say that one of the surfaces of the optical element, particularly the projecting face of which extend the elastic fixing means, is in contact with the one of the faces of the support.
  • the optical element may further comprise at least one arrangement for receiving an electronic component disposed on the support.
  • This arrangement may for example comprise a window formed in the volume of the optical element, or a specific convex shape of the optical element forming clearance with respect to the support.
  • the optical element may comprise at least one arrangement in the form of a recess for passing air towards the support, to allow the cooling of one or more components, in particular electronic components, of the light module, and for example the sources bright.
  • the arrangement can in particular consist of one or more windows passing through the optical element.
  • the positioning means of the optical element may comprise male elements, respectively female, configured to cooperate with female elements, respectively male, carried by the support of the light source.
  • the positioning means carried by the optical element take the form of one or more pins complementary (s) of one or more bores made in the support.
  • the bore may take the form of an oblong hole.
  • one of the half-moons at the end of the oblong hole is wider than the half-moon at the other end of the oblong hole.
  • the pin cooperating with this oblong hole has a corresponding shape, the combination of the two forms between them acting as a key.
  • the pin of the positioning means of the optical element is dimensioned so as to be able to enter the bore on the side of the larger half-moon and then to be put in place and retained on the half-moon side. the narrowest moon.
  • the resilient fixing means comprise at least one elastic blade, carried in particular by a segment or a frame projecting from the optical element, configured to cooperate with the rim of a plate, the elastic blades being deformed at the passage of the optical element along this flange to return to their original position and snap back of that flange when the optical element is in the predetermined position.
  • the elastic blades will deform elastically in contact with the plate to resume their original shape behind it, the edge of the plate then forming a stop against the release of the elastic blades.
  • the blades have for this purpose a shape suitable for being deformed elastically in one direction of passage and to be blocked in the other direction, and for example an inclined plane and a stop at the free end of this inclined plane.
  • the elastic fixing means and the support are configured to cooperate only in a predetermined position of the optical element on the support.
  • the elastic fastening means comprise a frame and the elastic blade carried by this frame, and each frame has an amount configured to come into contact with an arrangement formed in the support. This arrangement can take any form allowing the cooperation with the amount, and can in particular take the form of a shoulder on which the amount of the frame comes to rest.
  • the elastic fixing means can on the one hand participate in the positioning by the shape of the frame and the amounts that compose it, and their cooperation with complementary forms provided on the support, before playing with on the other hand, their role of maintaining the optical element in this predetermined position
  • the optical element is made of a transparent or translucent material.
  • the transparent or translucent material may comprise polycarbonate (PC), polymethylmethacrylate (PMMA), silicone or any related material. It can be provided that certain parts of the optical element are made of a material different from that used for the rest of the other parts of this optical element.
  • the elastic fastening means are essentially composed of polycarbonate and / or polymethylmethacrylate, while the remainder of the optical element is composed of silicone. This ensures that the portion of the optical element directly facing the light sources or electronic components arranged on the support is made of silicone which is a more heat-resistant material produced by these components.
  • the optical element can be made by any industrial process used for the manufacture of similar parts. Alternatively, the optical element is made by molding or injection. Each element or sub-part of the optical element may be made by a different method than that used to manufacture the other elements or sub-parts of the optical element.
  • the optical element may comprise one or more optical elements forming, by way of example, at least one microlens acting as primary optics directly in the vicinity of the light source or sources, in particular in applications in light devices for a motor vehicle where the light modules are mounted on a plate on which is also positioned a projection lens then forming a secondary optics.
  • the optical element comprises a plurality of microlenses, each microlens being intended to cooperate with a distinct light source, being opposite this light source when the support element is in the predetermined position relative to the support.
  • Each pair formed by a light source and a microlens is configured to participate in the formation of a selectively activatable light segment, in particular by independent control of each of the light sources. By activatable selectively, it will be understood that the light segment can be activated, either automatically or by an action of the user, independently or not other light segments, adjacent or not.
  • the elastic fixing means extend on either side of the optical elements. In other words, it is expected that one has a layout in series of these optical elements, and that the resilient fixing means are arranged on the end edges of the support in the main direction of this series.
  • the optical element is then relatively arranged on the support by pressing on the upper part of the support and by pressing on the lower part of the support.
  • These two supports are made at equal distance, or essentially at equal distance from the microlenses. This arrangement ensures that the microlenses are in a position where they collaborate with the light source regardless of manufacturing tolerances that could lead to a positioning problem.
  • the light module may further comprise at least one thermal conduction member.
  • the thermal conduction member is in particular arranged to conduct the heat emitted by the light source to a heat sink.
  • the thermal conduction member comprises a base, configured to be in contact with the support, and at least one gripping finger for positioning the thermal conduction member.
  • the base can be made from material with the gripping finger, or be made distinctly.
  • the gripping finger comprises at least one orifice to allow the gripping of the thermal conduction member.
  • the orifice (s) are arranged to enable grasping of the gripping finger, in particular by an adjusting machine, in order to correctly orient the thermal conduction member so that, when the thermal conduction member (s) are in the predetermined position, the or the supports can be arranged on the corresponding thermal conduction member.
  • the base, the support and the optical element each comprise a fixing orifice, the orifices coming face to face to receive a fixing means.
  • the mounting holes of the support and the optical element are slightly larger than that of the base, in order to compensate for a deviation from the manufacturing tolerances.
  • the fastening means may be a screw, a rivet, a rivet, glue or any other suitable fastening means.
  • the means Fixing is a screw.
  • the fixing hole of the base comprises a thread corresponding to that of the screw. Fixing all the elements of the light module between them is provided by a single fastening means.
  • the base has at least one indexing pin and the light source support has at least one indexing hole.
  • the indexing pins are intended to cooperate with the indexing orifices to properly position the support on the base before being fixed by the fixing means described above.
  • the indexing pins have a shape and dimensions complementary to those of the indexing orifices.
  • optical element is in place on the support without the last fixing screw, in particular by virtue of the joint action of indexing means, elastic fastening means and the collaboration of the amounts on the shoulder.
  • the assembly of an optical element, a support and a base has the advantage of creating a light module, which can be assembled and adjusted easily in a vehicle headlight.
  • the invention also relates to a light device comprising the light module as previously described with a light source support, the light source and the optical element, and a projection lens forming a secondary optics configured to receive and deflect the rays. light deviated by the optical element forming the primary optics.
  • Each pair formed by a light source and a primary optics can cooperate with a secondary optics of their own, or with a common secondary optics.
  • the light device described by the invention can be used in a advantageous for headlamps with ADB (Adaptive Driving Beam) adaptive lighting function.
  • 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.
  • the possibility of modifying the illumination beam is ensured by the division of all the rays emitted by the light sources into selectively activatable vertical segments. This division is ensured by the separation of the light rays by the specific association of a light source and a microlens, all producing little or no parasitic rays due to the presence of a microlens in the direct vicinity of the light. 'a source.
  • the light module according to the invention is therefore particularly suitable for the application of an ADB function.
  • 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 light module 1 comprises at least one light source 2, a support 3 of the light source 2 and an optical element 4 arranged on the path of the rays emitted by the light source 2, in particular to deflect and arrange them to participate in the creation a lighting beam and / or signaling of a motor vehicle.
  • the light module 1 comprises five light sources 2.
  • the support 3 has the general shape of a thin plate delimited by a first face 39 where the light sources 2 are arranged, and a second face 391 opposite to the first. These two faces are delimited by an upper edge, a lower edge, and two lateral edges.
  • the support 3 may in particular comprise a printed circuit board, on which the light sources 2 and electronic components are arranged.
  • the end of the first face 39 of the support 3 in the vicinity of the upper edge is narrower than the end of the first face 39 in the vicinity of the lower edge.
  • the width reduction is achieved by at least one narrowing zone 36 formed by a shoulder 37, which creates a bearing surface 38 substantially parallel to the upper edge of the support 3.
  • the light sources 2 are arranged on the part of the support 3 arranged between the narrowing zone 36 and the lower edge.
  • the light sources 2 are arranged in a transverse series, perpendicular to the lateral edges of the support 3.
  • the support 3 comprises, on the first face 39 between the lower edge and the light sources 2, one or more electronic components 31.
  • These electronic components 31 can be of any type and of any nature allowing the accomplishment of a function in connection with the light module 1, such as the selective activation of one or more light sources 2.
  • the support 3 further comprises a first indexing orifice 32 and a second indexing orifice 33, arranged one in the vicinity of the upper edge of the support 3 and the other in the vicinity of the lower edge.
  • These orifices 32, 33 have in the illustrated example a section of cylindrical or substantially cylindrical shape.
  • the two indexing orifices 32, 33 may be through, that is to say extend from one face to the other of the support 3.
  • the support 3 further comprises an indexing hole 34 of oblong shape, which is disposed in the vicinity of the first indexing hole 32 and the light sources 2, and a central bore 35, through.
  • the optical element 4 is arranged facing the first face 39 of the support 3, namely the face on which the light sources 2 are arranged.
  • the optical element 4 has a thin plate shape delimited by an internal face. 49 brought facing the support 3 when the light module is assembled, and an outer face 40 opposite to the inner face 49.
  • the width and the thickness of the optical element 4 are essentially identical to those of the support 3, and whose length is less than that of the support 3. Depending on the orientation chosen and in particular illustrated on the figure 1 the width corresponds to the dimension of the optical element 4 and the support 3 in the transverse direction, the thickness corresponds to the dimension of the optical element 4 and the support 3 in the longitudinal direction and the length corresponds to the dimension of the optical element 4 and the support 3 in the vertical direction.
  • the optical element 4 comprises an elastic holding portion 62, a treatment portion 64 of the light rays and a fixing portion 66.
  • the processing portion 64 of the light rays of the optical element 4 comprises one or more microlenses 42, which in the illustrated example are arranged in a transverse series.
  • the one or more microlenses 42 project from the outer face 40 of the optical element 4, having a hemispherical or essentially hemispherical shape, arranged to collaborate with the light sources 2.
  • the microlenses 42 are aligned in front of the light sources 2 when the optical element 4 is attached against the support 3, having a longitudinal clearance so as not to crush the light sources 2 when the optical element 4 is pressed against the support 3.
  • the microlenses 42 collaborate with the light sources 2 so as to project in a controlled manner the light rays emitted by the light sources 2.
  • microlenses 42 form primary optics 41 when, as will be described below, the light module 1 involved in forming the optical element 4 is mounted in a light device 10 further comprising a projection lens 104 forming a secondary optics.
  • the optical element 4 further comprises a recess 43 and the microlenses 42 are arranged along one of the edges delimiting this recess.
  • the recess is of substantially rectangular shape. It is understood that this recess 43 has the role of allowing the release by air of the heat produced by the light sources 2.
  • the optical element 4 comprises an arrangement 44 arranged to create a clearance between the optical element 4 and the support 3 when these two parts are plated against each other. the other. It is thus possible to have on the support 3 a large electronic component.
  • the optical element 4 comprises, on the inner face 49, an indexing pin 45 (visible on the figure 2 ) of oblong shape, disposed on a delimiting edge the recess 43 opposite the microlenses 42. Thus, during the assembly of the light module 1, the indexing pin 45 of the optical element 4 extends toward the support 3.
  • the fixing portion 66 of the optical element 4 comprises a through bore 47.
  • the bore 47 has a circular shape.
  • the elastic holding portion 62 of the optical element 4 comprises two resilient fixing means 46 respectively disposed on each of the lateral edges of the optical element 4. These elastic fixing means 46 are arranged on either side of the optical element 4, in the vicinity of the upper edge of the optical element 4.
  • the resilient fixing means 46 extend substantially perpendicularly the plate forming the support member, on the side of the inner face 49, that is to say that elastic fixing means 46 extend opposite the microlenses 42.
  • Each elastic attachment means 46 comprises a frame 461 and an elastic blade 462.
  • the frame 461 is formed by two longitudinal uprights 463 made of material from the plate of the optical element 4 and extending substantially perpendicularly thereto, at one of the lateral edges of the optical element 4.
  • the two longitudinal uprights 463 are connected at their free end by a segment 464, arranged in this way at a distance from the plate of the optical element 4 and which carries in its middle the elastic blade 462, which extends from the segment 464 in the direction of the approximation of the plate of the optical element 4.
  • This elastic blade 462 is inclined relative to the parallel longitudinal uprights 463 insofar as it extends inwardly of the optical element 4. In other words, it presents a transverse component so as to extend in the direction of the approximation of the elastic blade 462 of the other elastic fixing means 46.
  • the elastic fixing portion 66 is configured such that, when the optical element 4 is in the predetermined position, each of the frames 461, and more particularly the longitudinal amount 463 lower, rests on the bearing surface 38 formed by the corresponding shoulder 37 of the support 3, and the free end of each elastic blade 462, opposite the segment 464, is in contact with the second face 391 of the support.
  • the cooperation of the uprights 463 and the resilient blades 462 of the optical element 4 with the appropriate shapes provided on the support 3 contribute to holding the optical element 4 in position.
  • the light module 1 further comprises a thermal conduction member 8 on which the support 3 is pressed.
  • the thermal conduction member 8 comprises a base 5 of shape and dimensions substantially similar to those of the support 3.
  • the base 5 has a contact face 50 on which are at least made a first indexing pin 51 and a second indexing pin 52, a shape complementary to the first and second orifices 32, 33 formed in the support.
  • these indexing lugs 51, 52 are arranged opposite the indexing orifices 32, 33 of the support 3, so as to allow the positioning of the support 3 relative to the base 5. .
  • the base 5 also comprises, on the face opposite to the contact face 50 on which the support 3 is plated, at least a first gripping finger 55 perpendicularly extending the base 5 and arranged at one end of the base 5, in the vicinity here from the top edge.
  • a second gripping finger 56 so that these gripping fingers 55, 56 are each arranged on one end of the base 5.
  • the gripping fingers 55, 56 can extend over all or part of the width of the base 5.
  • the gripping fingers 55, 56 are both intended to allow the gripping of the base 5 to obtain the correct orientation of this base 5 and therefore of the entire light module 1 before its attachment in a device. lighting and / or signaling in the vehicle.
  • the first gripping finger 55 comprises two gripping ports 57, 58, configured to collaborate with any machine tool useful for the manufacture, assembly or adjustment of the light module 1.
  • the gripping ports 57, 58 are arranged on the upper face of the first gripping finger 55. In the embodiment of the example, one of the inlet ports 57, 58 is through and the other not.
  • the base 5 further comprises an attachment hole 59 which extends in the thickness of the base from the face opposite to the contact face 50 on which the support 3 is made to be plated.
  • this fixing hole 59 is through, that is to say it opens on the contact face 50, but it will be understood that it can be blind.
  • This fixing hole 59 is intended to participate in fixing the base 5 and therefore the entire light module 1 on a housing of a lighting device and / or signaling. It can in particular be threaded to receive a fixing screw 7.
  • the base 5 comprises an indexing eyelet 53, of oblong shape substantially equal to the oblong shape of the indexing hole 34 made in the support 3.
  • the base 5 also comprises, substantially at its center, a threaded bore 54, which extends in the thickness of the base 5 from the contact face 50 arranged to be in contact with the support 3.
  • a threaded bore 54 is not through and consists of a blind hole.
  • the indexing pin 45 of the optical element 4 is arranged to collaborate with the indexing hole 34 and the indexing eyelet 53 to participate in the positioning of the optical element 4 on the support 3.
  • FIG 4 illustrates a light module 1 assembled according to the invention.
  • the support 3 is disposed on the thermal conduction member 8, and more particularly on its base 5.
  • the second face 391 of the support 3 is positioned facing the contact face 50. substantially the edges of the base 5 and those of the support 3, and the indexing means are thus made to correspond.
  • the indexing lugs 51, 52 carried by the base 5 penetrate into the indexing orifices 32, 33 formed in the support, and thus ensures the relative position of the support 3 relative to the base 5.
  • the indexing eye 53 is located opposite the indexing hole 34 of the support 3, and the central bore 35 of the support 3 is aligned with the central threaded bore 54 disposed on the base 5. It should be noted that the central bore 35 has a larger diameter to that of the central threaded bore 54.
  • the optical element 4 is then placed on the support 3, by facing the inner face 49 of the optical element 4 and the first face 39 of the support 39.
  • the elastic fixing means 46 are then turned towards the support 3.
  • pre-positioning of the optical element 4 is performed by resting the lower longitudinal amount 463 of the frame 461 of each elastic fixing means 46 on the bearing surface 38 formed by the shoulder edge 37 made on the support 3.
  • the optical element 4 is then slid longitudinally, that is to say perpendicularly to the plane defined by the support 3, along this bearing surface 38, it being understood that the shape of the base 5 is defined not to hinder this sliding.
  • the elastic blades 462 which in their original form are inclined towards the center of the optical element 4, come into contact with the lateral edge of the optical element 4. 3.
  • the elastic blades 462 are configured to deform elastically outwardly of the optical element 4 and allow sliding.
  • the indexing pin 45 arranged on the inner face 49 of the optical element 4 comes opposite the indexing hole 34 formed in the support 3. It may result an adjustment of the position of the optical element 4 relative to the support 3, to allow insertion of the indexing pin 45 in the indexing hole 34, then in the indexing eye 53 formed in the base 5 and disposed in the immediate extension of the indexing hole 34. Therefore, the frame 461 of the means resilient fixation 46 and the indexing pin 45 on the one hand, and the bearing surface 38 formed by the shoulder edge 37 and the indexing hole 34 on the other hand form positioning means of the optical element 4 on the support in a determined position.
  • the optical element 4 is in contact with the support 3, or in the direct vicinity thereof, it being understood that these parts are configured so that the light sources 2 are not crushed by the optical element 4 in this desired position.
  • microlenses 42 are formed at the edge of the recess 43 with a slight longitudinal shift relative to the inner face 49 of the optical element 4. It will also be possible to provide on the optical element 4, as visible on the figure 2 , beads 490 for pressing the optical element 4 on the support 3 without crushing the light sources 2.
  • These three bores 54, 35, 47 are thus aligned and therefore configured to receive a first fastening means 6, it being understood that the through bore 47 of the optical element 4 has a greater diameter than that of the central threaded bore 54 of the base 5.
  • the resilient blades 462 are passed past the support plate 3 and are no longer in contact with a side edge of this plate. Therefore, they resume their original shape, and tend to approach one another towards the center of the optical element 4.
  • the free end of each elastic blade 462 then comes into position behind the plate 3, facing the second face 391.
  • the support 3 then forms a stop against the release of the elastic blades 462 and thus the release of the optical element 4. If it is desired to replace the element 4, it is advisable to act on the elastic blades 462, to constrain them with a particular effort to separate them from one another and to disengage them from the support 3.
  • the position of the optical element 4 relative to the support 3 and therefore the position of the microlenses 42 relative to the light sources 2 is reliable.
  • the first fastening means 6 are used to hold together the optical element 4, the support 3 and the base 5.
  • the first fastening means 6 is, in the example illustrated, a fastening screw, the head of the screw fastening being on the side of the optical element 4.
  • the optical element 4 is then relatively fixed to the support 3 at three points, and it can be seen that the center of these three points is positioned substantially in the vicinity of the microlenses 42, so that a reliable position of the microlenses 42 is ensured. compared to the light sources 2 regardless of the manufacturing tolerances.
  • the mounting method of the light module 1 according to the invention described below is only an example of mounting. It is in no way limiting, and it will be possible in particular to first mount the optical element 4 on the support 3, then mount this subassembly on the thermal conduction member 8 and its base 5.
  • the light module 1 thus formed can then be mounted on a housing or a plate of a light device by means of a second fastening means 7, in particular a fixing screw, cooperating with the fixing hole 59 formed in the base 5.
  • the figure 4 illustrates a light device 10 comprising several light modules 1 according to the invention, and in particular constituted such as has just been described a heat conduction member 8, a support 3 and an optical element 4 forming a sub -etemble able to be made apart and then reported on the housing or the plate of the light device.
  • Each light module 1 according to the invention is fixed on a plate 102 by a second fixing means 7.
  • the modules 1 are arranged on an axial end of the plate 102 and they are carried by a vertical wall 110 of the plate 102, which also bears, on the opposite side, a heat sink 9, here fins type.
  • the device also comprises a lens 104, disposed at an axial end of the plate 102 opposite to that where the light modules 1 are arranged.
  • An optical system is thus formed comprising a primary optic 41 formed by the microlenses 42 directly in the vicinity of the sources. 2 and a secondary optical 104, each of these optics being configured to participate in the formation of a lighting beam and / or motor vehicle signaling on the basis of the light rays initially emitted by the light sources 2.
  • FIG. 4 We can observe in particular figure 4 that some of the light modules 1 comprise a different number of light sources 2 and microlenses 42 associated. This is illustrated on the figure 5 a second embodiment of the light module which differs from the first embodiment previously described in that the support 3 comprises seven light sources 2, the optical element 4 correspondingly comprising seven microlenses 42 forming a primary optic 41.
  • the support 3 has an enlargement of its width at the level of the treatment portion 64 of the rays in order to house the series of light sources 2.
  • the other characteristics and elements of the light module 1 in this second embodiment are identical or substantially the same as those set forth in the description of the first embodiment.

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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)
  • Securing Globes, Refractors, Reflectors Or The Like (AREA)

Abstract

Un module lumineux (1) comporte au moins une source lumineuse (2), un support (3) de la source lumineuse (2), et un élément optique (4) apte à recevoir des rayons émis par la source lumineuse (2). Selon l'invention, l'élément optique (4) comporte des moyens de positionnement (463) de cet élément optique (4) sur le support (3) dans une position prédéterminée et des moyens de fixation élastiques (46) de cet élément optique (4) sur le support (3) dans la position prédéterminée.A light module (1) comprises at least one light source (2), a support (3) of the light source (2), and an optical element (4) adapted to receive rays emitted by the light source (2). According to the invention, the optical element (4) comprises means (463) for positioning this optical element (4) on the support (3) in a predetermined position and elastic fixing means (46) for this optical element. (4) on the support (3) in the predetermined position.

Description

Le domaine de la présente invention est celui des modules lumineux pour véhicule automobile, et notamment les modules d'éclairage et/ou de signalisation.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.

Un véhicule automobile est équipé de projecteurs, ou phares, destinés à éclairer la route devant le véhicule, notamment la nuit ou en cas d'intempéries. Ces projecteurs peuvent généralement être utilisés selon deux modes d'éclairage : un premier mode « feux de route » et un deuxième mode « feux de croisement ». Le mode « feux de route » permet d'éclairer fortement la route loin devant le véhicule, au risque d'éblouir les usagers de la route venant en sens inverse. Le mode « feux de croisement » procure un éclairage plus limité de la route, mais offrant néanmoins une bonne visibilité, sans éblouir les autres usagers de la route. Ces deux modes d'éclairage sont complémentaires.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. These 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.

Dans chacun de ces modes de fonctionnement, afin d'éviter l'éblouissement des usagers de la route venant en sens inverse, il est nécessaire de maitriser le positionnement et l'orientation de chacun des projecteurs, et plus particulièrement de chacun des éléments composant ces projecteurs.In each of these modes of operation, in order to avoid dazzling oncoming road users, it is necessary to master the positioning and orientation of each of the projectors, and more particularly of each of the components of these components. projectors.

Les projecteurs peuvent comprendre un ou plusieurs modules lumineux comportant une source lumineuse, un élément de déviation optique, une optique de projection, chacun de ces éléments étant monté sur un support. Chaque élément du module est fixé au support par au moins un élément de fixation, le support étant lui-même fixé au véhicule.The projectors may comprise one or more light modules comprising a light source, an optical deflection element, a projection optics, each of these elements being mounted on a support. Each element of the module is fixed to the support by at least one fixing element, the support being itself fixed to the vehicle.

Les éléments constituant habituellement ces modules lumineux sont généralement encombrants et compliqués à assembler et à paramétrer de façon à obtenir des rayons lumineux qui respectent les normes photométriques.The elements usually constituting these light modules are generally bulky and complicated to assemble and parameterize so as to obtain light rays that meet the photometric standards.

Dans ce contexte, la présente invention vise à proposer un module lumineux dont le montage et le réglage sont simplifiés.In this context, the present invention aims to provide a light module whose mounting and adjustment are simplified.

Un module lumineux selon l'invention comporte au moins une source lumineuse, un support de la source lumineuse et un élément optique apte à recevoir des rayons émis par la source lumineuse, l'élément optique comportant des moyens de positionnement de cet élément optique sur le support dans une position prédéterminée et des moyens de fixation élastiques de cet élément optique sur le support dans la position prédéterminée.A light module according to the invention comprises at least one source a light source, a support of the light source and an optical element able to receive rays emitted by the light source, the optical element comprising means for positioning this optical element on the support in a predetermined position and elastic fixing means for this optical element on the support in the predetermined position.

La position prédéterminée s'entend comme la position théorique souhaitée de l'élément optique par rapport à la position de la ou des sources lumineuses.The predetermined position is understood as the desired theoretical position of the optical element with respect to the position of the light source (s).

Les moyens de positionnement permettent d'assurer la position correcte de l'élément optique avant sa fixation sur le support de la source lumineuse. Et selon l'invention, l'assemblage d'un module lumineux est facilité grâce à l'intégration de moyens de positionnement et de moyens de fixation élastique dans l'élément optique, diminuant ainsi le nombre d'étapes de montage ou le risque de jeu.The positioning means make it possible to ensure the correct position of the optical element before it is fixed on the support of the light source. And according to the invention, the assembly of a light module is facilitated by the integration of positioning means and elastic fixing means in the optical element, thus reducing the number of assembly steps or the risk of Game.

Le support de la source lumineuse est aménagé de façon à recevoir au moins une carte de circuits imprimés et/ou un composant électronique, ou bien de façon à former directement cette carte de circuits imprimés sur laquelle sont montés les sources lumineuses et les composants électroniques. A titre d'exemple non limitatif, le support peut consister en une paroi plane contre laquelle est plaquée une carte de circuits imprimés, la source de lumière étant fixée sur cette carte.The light source support is arranged to receive at least one printed circuit board and / or an electronic component, or to directly form the printed circuit board on which light sources and electronic components are mounted. By way of non-limiting example, the support may consist of a flat wall against which is plated a printed circuit board, the light source being fixed on this card.

L'élément optique est agencé contre le support. Il peut notamment être plaqué sur le support, c'est-à-dire que l'une des surfaces de l'élément optique, particulièrement la face en saillie de laquelle s'étendent les moyens de fixation élastiques, est en contact avec l'une des faces du support.The optical element is arranged against the support. It can in particular be plated on the support, that is to say that one of the surfaces of the optical element, particularly the projecting face of which extend the elastic fixing means, is in contact with the one of the faces of the support.

L'élément optique peut comporter en outre au moins un aménagement destiné à recevoir un composant électronique disposé sur le support. Cet aménagement peut par exemple comprendre une fenêtre pratiquée dans le volume de l'élément optique, ou encore une forme spécifique bombée de l'élément optique formant dégagement par rapport au support.The optical element may further comprise at least one arrangement for receiving an electronic component disposed on the support. This arrangement may for example comprise a window formed in the volume of the optical element, or a specific convex shape of the optical element forming clearance with respect to the support.

L'élément optique peut comporter au moins un aménagement sous forme d'évidement destiné à laisser passer de l'air vers le support, pour permettre le refroidissement d'un ou plusieurs composants, notamment électroniques, du module lumineux, et par exemple les sources lumineuses. L'aménagement pratiqué peut notamment consister en une ou plusieurs fenêtres traversant l'élément optique.The optical element may comprise at least one arrangement in the form of a recess for passing air towards the support, to allow the cooling of one or more components, in particular electronic components, of the light module, and for example the sources bright. The arrangement can in particular consist of one or more windows passing through the optical element.

Les moyens de positionnement de l'élément optique peuvent comprendre des éléments mâles, respectivement femelles, configurés pour coopérer avec des éléments femelles, respectivement mâles, portés par le support de la source de lumière. A titre d'exemple non limitatif, on pourra prévoir que les moyens de positionnement portés par l'élément optique prennent la forme d'un ou plusieurs pions complémentaire(s) d'un ou plusieurs alésages réalisés dans le support. Notamment, l'alésage peut prendre une forme de trou oblong. Dans un mode de réalisation particulier, l'une des demi-lunes à l'extrémité du trou oblong est plus large que la demi-lune à l'autre extrémité du trou oblong. On peut alors prévoir que le pion coopérant avec ce trou oblong a une forme correspondante, l'association des deux formes entre elles agissant comme un détrompeur. Dans une autre alternative, le pion des moyens de positionnement de l'élément optique est dimensionné de façon à pouvoir entrer dans l'alésage du côté de la demi-lune plus large puis à être mis en place et retenu du côté de la demi-lune la plus étroite.The positioning means of the optical element may comprise male elements, respectively female, configured to cooperate with female elements, respectively male, carried by the support of the light source. By way of nonlimiting example, it may be provided that the positioning means carried by the optical element take the form of one or more pins complementary (s) of one or more bores made in the support. In particular, the bore may take the form of an oblong hole. In a particular embodiment, one of the half-moons at the end of the oblong hole is wider than the half-moon at the other end of the oblong hole. It can then be provided that the pin cooperating with this oblong hole has a corresponding shape, the combination of the two forms between them acting as a key. In another alternative, the pin of the positioning means of the optical element is dimensioned so as to be able to enter the bore on the side of the larger half-moon and then to be put in place and retained on the half-moon side. the narrowest moon.

Selon une caractéristique de l'invention, on peut prévoir que les moyens de positionnement de l'élément optique comportent au moins un montant des moyens de fixation élastique et que des moyens de positionnement complémentaires comportent au moins une surface d'appui formée par un bord du support, le montant s'appuyant sur la surface d'appui pour amener l'élément optique dans la position prédéterminée.According to one characteristic of the invention, provision may be made for the means for positioning the optical element to comprise at least one amount of the elastic fixing means and for the complementary positioning means to comprise at least one bearing surface formed by an edge. of the support, the amount resting on the bearing surface to bring the optical element into the predetermined position.

Les moyens de fixation élastique comprennent au moins une lame élastique, portée notamment par un segment ou un cadre s'étendant en saillie de l'élément optique, configurée pour coopérer avec le rebord d'une plaque, les lames élastiques étant déformées au passage de l'élément optique le long de ce rebord pour reprendre leur position d'origine et s'encliqueter en arrière de ce rebord lorsque l'élément optique est dans la position prédéterminée.The resilient fixing means comprise at least one elastic blade, carried in particular by a segment or a frame projecting from the optical element, configured to cooperate with the rim of a plate, the elastic blades being deformed at the passage of the optical element along this flange to return to their original position and snap back of that flange when the optical element is in the predetermined position.

Par encliquetage, on comprend que lors de la mise en place de l'élément optique sur le support, les lames élastiques vont se déformer élastiquement au contact de la plaque pour reprendre leur forme d'origine derrière celle-ci, le rebord de la plaque formant alors butée à l'encontre du dégagement des lames élastiques. Les lames présentent à cet effet une forme appropriée pour être déformée élastiquement dans un sens de passage et pour être bloquée dans l'autre sens, et par exemple un plan incliné et une butée à l'extrémité libre de ce plan incliné. Une fois l'élément optique en place, les lames élastiques ne sont plus comprimées par les bords du support et elles reprennent leur forme initiale, ce qui les amène en contact au niveau de la face de la plaque tournée à l'opposé de l'élément optique.By snapping it is understood that during the placement of the optical element on the support, the elastic blades will deform elastically in contact with the plate to resume their original shape behind it, the edge of the plate then forming a stop against the release of the elastic blades. The blades have for this purpose a shape suitable for being deformed elastically in one direction of passage and to be blocked in the other direction, and for example an inclined plane and a stop at the free end of this inclined plane. Once the optical element in place, the elastic blades are no longer compressed by the edges of the support and they resume their original shape, which brings them in contact at the face of the plate facing the opposite of the optical element.

Les moyens de fixation élastique et le support sont configurés pour ne coopérer que dans une position prédéterminée de l'élément optique sur le support. Plus particulièrement, les moyens de fixation élastique comportent un cadre et la lame élastique portée par ce cadre, et chaque cadre comporte un montant configuré pour venir en contact sur un aménagement formé dans le support. Cet aménagement peut prendre toute forme permettant la coopération avec le montant, et peut notamment prendre la forme d'un épaulement sur lequel le montant du cadre vient reposer.The elastic fixing means and the support are configured to cooperate only in a predetermined position of the optical element on the support. More particularly, the elastic fastening means comprise a frame and the elastic blade carried by this frame, and each frame has an amount configured to come into contact with an arrangement formed in the support. This arrangement can take any form allowing the cooperation with the amount, and can in particular take the form of a shoulder on which the amount of the frame comes to rest.

On peut observer de ce qui précède que les moyens de fixation élastiques peuvent d'une part participer au positionnement par la forme du cadre et des montants qui le composent, et leur coopération avec des formes complémentaires ménagées sur le support, avant de jouer d'autre part leur rôle de maintien de l'élément optique dans cette position prédéterminéeIt can be observed from the foregoing that the elastic fixing means can on the one hand participate in the positioning by the shape of the frame and the amounts that compose it, and their cooperation with complementary forms provided on the support, before playing with on the other hand, their role of maintaining the optical element in this predetermined position

L'élément optique est réalisé dans un matériau transparent ou translucide. A titre d'exemple non limitatif, le matériau transparent ou translucide peut comprendre du polycarbonate (PC), du polyméthacrylate de méthyle (PMMA), du silicone ou tout matériau apparenté. On pourra prévoir que certaines parties de l'élément optique soient réalisés dans un matériau différent de celui utilisé pour le reste des autres parties de cet élément optique. A titre d'exemple, les moyens de fixation élastique sont essentiellement composés de polycarbonate et/ou de polyméthacrylate de méthyle, tandis que le reste de l'élément optique est composé de silicone. On s'assure ainsi que la partie de l'élément optique directement en regard des sources lumineuses ou des composants électroniques agencés sur le support est réalisée en silicone qui est un matériau plus résistant à la chaleur produite par ces composants.The optical element is made of a transparent or translucent material. By way of non-limiting example, the transparent or translucent material may comprise polycarbonate (PC), polymethylmethacrylate (PMMA), silicone or any related material. It can be provided that certain parts of the optical element are made of a material different from that used for the rest of the other parts of this optical element. For example, the elastic fastening means are essentially composed of polycarbonate and / or polymethylmethacrylate, while the remainder of the optical element is composed of silicone. This ensures that the portion of the optical element directly facing the light sources or electronic components arranged on the support is made of silicone which is a more heat-resistant material produced by these components.

L'élément optique peut être réalisé par tout procédé industriel utilisé pour la fabrication de pièces semblables. Alternativement, l'élément optique est réalisé par moulage ou par injection. Chaque élément ou sous-parties de l'élément optique peut être réalisé selon un procédé différent de celui utilisé pour fabriquer les autres éléments ou sous-parties de l'élément optique.The optical element can be made by any industrial process used for the manufacture of similar parts. Alternatively, the optical element is made by molding or injection. Each element or sub-part of the optical element may be made by a different method than that used to manufacture the other elements or sub-parts of the optical element.

L'élément optique peut comprendre un ou plusieurs éléments optiques, formant à titre d'exemple au moins une microlentille jouant le rôle d'optique primaire directement au voisinage de la ou les sources lumineuses notamment dans des applications dans des dispositifs lumineux pour véhicule automobile où les modules lumineux sont montés sur une platine sur laquelle est également positionnée une lentille de projection formant alors une optique secondaire. Dans le module lumineux selon l'invention, on peut prévoir que l'élément optique comporte une pluralité de microlentilles, chaque microlentille étant destinée à coopérer avec une source lumineuse distincte, en étant en regard de cette source lumineuse lorsque l'élément support est dans la position prédéterminée par rapport au support. Chaque couple formé par une source lumineuse et une microlentille est configuré pour participer à la formation d'un segment lumineux activable sélectivement, notamment par pilotage indépendant de chacune des sources lumineuses. Par activable sélectivement, on comprendra que le segment lumineux peut être activé, soit automatiquement soit par une action de l'utilisateur, indépendamment ou non des autres segments lumineux, adjacents ou non.The optical element may comprise one or more optical elements forming, by way of example, at least one microlens acting as primary optics directly in the vicinity of the light source or sources, in particular in applications in light devices for a motor vehicle where the light modules are mounted on a plate on which is also positioned a projection lens then forming a secondary optics. In the light module according to the invention, it can be provided that the optical element comprises a plurality of microlenses, each microlens being intended to cooperate with a distinct light source, being opposite this light source when the support element is in the predetermined position relative to the support. Each pair formed by a light source and a microlens is configured to participate in the formation of a selectively activatable light segment, in particular by independent control of each of the light sources. By activatable selectively, it will be understood that the light segment can be activated, either automatically or by an action of the user, independently or not other light segments, adjacent or not.

Les moyens de fixation élastiques s'étendent de part et d'autre des éléments optiques. En d'autres termes, on prévoit que l'on a un agencement en série de ces éléments optiques, et que les moyens de fixation élastiques sont disposés sur les bords d'extrémités du support selon la direction principale de cette série.The elastic fixing means extend on either side of the optical elements. In other words, it is expected that one has a layout in series of these optical elements, and that the resilient fixing means are arranged on the end edges of the support in the main direction of this series.

Dans la position prédéterminée, l'élément optique est alors relativement disposé sur le support par un appui sur la partie supérieure du support et par un appui sur la partie inférieure du support. Ces deux appuis se font à égale distance, ou essentiellement à égale distance des microlentilles. Cet agencement assure que les microlentilles sont dans une position où elles collaborent avec la source lumineuse quels que soit les tolérances de fabrication qui pourrait amener un problème de positionnement.In the predetermined position, the optical element is then relatively arranged on the support by pressing on the upper part of the support and by pressing on the lower part of the support. These two supports are made at equal distance, or essentially at equal distance from the microlenses. This arrangement ensures that the microlenses are in a position where they collaborate with the light source regardless of manufacturing tolerances that could lead to a positioning problem.

Le module lumineux peut comporter en outre au moins un organe de conduction thermique. L'organe de conduction thermique est notamment agencé pour conduire la chaleur émise par la source lumineuse vers un dissipateur thermique.The light module may further comprise at least one thermal conduction member. The thermal conduction member is in particular arranged to conduct the heat emitted by the light source to a heat sink.

L'organe de conduction thermique comporte une base, configurée pour être en contact avec le support, et au moins un doigt de préhension pour le positionnement de l'organe de conduction thermique. La base peut être issue de matière avec le doigt de préhension, ou bien être réalisé distinctement.The thermal conduction member comprises a base, configured to be in contact with the support, and at least one gripping finger for positioning the thermal conduction member. The base can be made from material with the gripping finger, or be made distinctly.

Le doigt de préhension comporte au moins un orifice pour permettre la saisie de l'organe de conduction thermique. Le ou les orifices sont disposés pour permettre la saisie du doigt de préhension, notamment par une machine de réglage, afin d'orienter correctement l'organe de conduction thermique afin que, lorsque le ou les organes de conduction thermique sont en position prédéterminée, le ou les supports puissent être disposés sur l'organe de conduction thermique correspondant.The gripping finger comprises at least one orifice to allow the gripping of the thermal conduction member. The orifice (s) are arranged to enable grasping of the gripping finger, in particular by an adjusting machine, in order to correctly orient the thermal conduction member so that, when the thermal conduction member (s) are in the predetermined position, the or the supports can be arranged on the corresponding thermal conduction member.

La base, le support et l'élément optique comportent chacun un orifice de fixation, les orifices venant en vis-à-vis pour recevoir un moyen de fixation. Les orifices de fixation du support et de l'élément optique sont légèrement plus grands que celui de la base, afin de compenser un écart du aux tolérances de fabrication. Le moyen de fixation peut être une vis, un rivet, une bouterolle, de la colle ou tout autre moyen de fixation adapté. Plus particulièrement, le moyen de fixation est une vis. L'orifice de fixation de la base comprend un filetage correspondant à celui de la vis. La fixation de tous les éléments du module lumineux entre eux est assurée par un seul moyen de fixation.The base, the support and the optical element each comprise a fixing orifice, the orifices coming face to face to receive a fixing means. The mounting holes of the support and the optical element are slightly larger than that of the base, in order to compensate for a deviation from the manufacturing tolerances. The fastening means may be a screw, a rivet, a rivet, glue or any other suitable fastening means. In particular, the means Fixing is a screw. The fixing hole of the base comprises a thread corresponding to that of the screw. Fixing all the elements of the light module between them is provided by a single fastening means.

La base comporte au moins un pion d'indexage et le support de source lumineuse comporte au moins un orifice d'indexage. Les pions d'indexage sont destinés à coopérer avec les orifices d'indexage pour positionner correctement le support sur la base avant sa fixation par les moyens de fixation précédemment décrits. A cette fin, les pions d'indexage ont une forme et des dimensions complémentaires à celles des orifices d'indexage.The base has at least one indexing pin and the light source support has at least one indexing hole. The indexing pins are intended to cooperate with the indexing orifices to properly position the support on the base before being fixed by the fixing means described above. For this purpose, the indexing pins have a shape and dimensions complementary to those of the indexing orifices.

On comprend que l'élément optique tient en place sur le support sans la dernière vis de fixation, notamment grâce à l'action conjointe de moyens d'indexage, des moyens de fixation élastique et de la collaboration des montants sur l'épaulement.It is understood that the optical element is in place on the support without the last fixing screw, in particular by virtue of the joint action of indexing means, elastic fastening means and the collaboration of the amounts on the shoulder.

L'assemblage d'un élément optique, d'un support et d'une base a pour avantage de créer un module lumineux, qui peut être assemblé et réglé facilement dans un projecteur de véhicule. Notamment, il est envisageable de fixer le module lumineux selon l'invention sur un élément du projecteur de véhicule, notamment une platine de fixation ou un boitier. Il est également possible d'intégrer plus d'un module lumineux selon l'invention dans un projecteur de véhicule.The assembly of an optical element, a support and a base has the advantage of creating a light module, which can be assembled and adjusted easily in a vehicle headlight. In particular, it is conceivable to fix the light module according to the invention on an element of the vehicle headlight, in particular a mounting plate or a housing. It is also possible to integrate more than one light module according to the invention into a vehicle headlamp.

L'invention concerne également un dispositif lumineux comprenant le module lumineux tel que précédemment décrit avec un support de source lumineuse, la source lumineuse et l'élément optique, ainsi qu'une lentille de projection formant une optique secondaire configurée pour recevoir et dévier les rayons lumineux déviés par l'élément optique formant dès lors l'optique primaire.The invention also relates to a light device comprising the light module as previously described with a light source support, the light source and the optical element, and a projection lens forming a secondary optics configured to receive and deflect the rays. light deviated by the optical element forming the primary optics.

Chaque couple formé par une source lumineuse et une optique primaire peut coopérer avec une optique secondaire qui leur est propre, ou bien avec une optique secondaire commune.Each pair formed by a light source and a primary optics can cooperate with a secondary optics of their own, or with a common secondary optics.

Le dispositif lumineux décrit par l'invention peut être utilisé de manière avantageuse pour les projecteurs dotés d'une fonction ADB (Adaptive Driving Beam) d'éclairage adaptatif. Une telle fonction ADB est destinée à détecter de façon automatique un usager de la route susceptible d'être ébloui par un faisceau d'éclairage émis en mode feux de route par un projecteur, et à modifier le contour de ce faisceau d'éclairage de manière à créer une zone d'ombre à l'endroit où se trouve l'usager détecté. Les avantages de la fonction ADB sont multiples : confort d'utilisation, meilleure visibilité par rapport à un éclairage en mode feux de croisement, meilleure fiabilité pour le changement de mode, risque d'éblouissement fortement réduit, conduite plus sûre.The light device described by the invention can be used in a advantageous for headlamps with ADB (Adaptive Driving Beam) adaptive lighting function. 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.

La possibilité de modifier le faisceau d'éclairage est assuré par la division de l'ensemble des rayons émis par les sources lumineuses en segments verticaux activables sélectivement. Cette division est assurée par la séparation des rayons lumineux par l'association spécifique d'une source lumineuse et d'une microlentille, l'ensemble ne produisant peu ou pas de rayons parasites du fait de la présence d'une microlentille au voisinage direct d'une source. Le module lumineux selon l'invention se prête donc particulièrement à l'application d'une fonction ADB.The possibility of modifying the illumination beam is ensured by the division of all the rays emitted by the light sources into selectively activatable vertical segments. This division is ensured by the separation of the light rays by the specific association of a light source and a microlens, all producing little or no parasitic rays due to the presence of a microlens in the direct vicinity of the light. 'a source. The light module according to the invention is therefore particularly suitable for the application of an ADB function.

D'autres caractéristiques, détails et avantages de l'invention ressortiront plus clairement à la lecture de la description donnée ci-après à titre indicatif et non limitatif en relation avec des dessins annexés dans lesquels :

  • la figure 1 est une vue en éclaté d'un module lumineux selon un premier mode de réalisation de l'invention, représentant notamment les faces avant des éléments constitutifs du module,
  • la figure 2 est une vue en éclaté du module lumineux de la figure 1, rendant notamment visible les faces arrière des éléments visibles sur la figure 1,
  • la figure 3 est une vue en perspective d'un module lumineux assemblé, selon le premier mode de réalisation de l'invention
  • la figure 4 est une vue en perspective d'un dispositif lumineux comportant plusieurs modules lumineux selon l'invention, et
  • la figure 5 est une vue en éclaté d'un module lumineux selon un deuxième mode de réalisation de l'invention, selon une perspective semblable à celle de la figure 1.
Other characteristics, details and advantages of the invention will emerge more clearly on reading the description given below by way of non-limiting indication in relation to the appended drawings in which:
  • the figure 1 is an exploded view of a light module according to a first embodiment of the invention, in particular representing the front faces of the constituent elements of the module,
  • the figure 2 is an exploded view of the light module of the figure 1 , notably making visible the rear faces of the visible elements on the figure 1 ,
  • the figure 3 is a perspective view of an assembled light module, according to the first embodiment of the invention
  • the figure 4 is a perspective view of a light device comprising a plurality of light modules according to the invention, and
  • the figure 5 is an exploded view of a light module according to a second embodiment of the invention, from a perspective similar to that of figure 1 .

Sur les figures, les éléments communs à plusieurs figures conservent la même référence.In the figures, the elements common to several figures retain the same reference.

Dans la suite de la description, les dénominations longitudinales, verticales et transversales sont relatives à un axe correspondant à la direction générale des rayons émis par la source lumineuse. La direction longitudinale correspond à la direction générale des rayons lumineux émis par la source lumineuse. Le sens avant désigne le sens d'émission des rayons lumineux par la source lumineuse, le sens arrière désignant quant à lui le sens inverse.In the remainder of the description, 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.

Les directions évoquées ci-dessus sont également visibles dans un trièdre L, V, T représenté sur les figures.The directions mentioned above are also visible in a trihedron L, V, T shown in the figures.

Le module lumineux 1 comporte au moins une source lumineuse 2, un support 3 de la source lumineuse 2 et un élément optique 4 agencé sur le trajet des rayons émis par la source lumineuse 2, notamment pour les dévier et les arranger pour participer à la création d'un faisceau d'éclairage et/ou de signalisation de véhicule automobile.The light module 1 comprises at least one light source 2, a support 3 of the light source 2 and an optical element 4 arranged on the path of the rays emitted by the light source 2, in particular to deflect and arrange them to participate in the creation a lighting beam and / or signaling of a motor vehicle.

Dans un premier mode de réalisation de l'invention, illustré sur les figures 1 à 4, le module lumineux 1 comporte cinq sources lumineuses 2.In a first embodiment of the invention, illustrated on the Figures 1 to 4 , the light module 1 comprises five light sources 2.

Le support 3 a la forme générale d'une plaque de faible épaisseur, délimitée par une première face 39 où sont disposées les sources lumineuses 2, et une seconde face 391 opposée à la première. Ces deux faces sont délimitées par un bord supérieur, un bord inférieur, et deux bords latéraux. Le support 3 peut notamment comporter une carte de circuits imprimées, sur laquelle sont disposées les sources lumineuses 2 et des composants électroniques.The support 3 has the general shape of a thin plate delimited by a first face 39 where the light sources 2 are arranged, and a second face 391 opposite to the first. These two faces are delimited by an upper edge, a lower edge, and two lateral edges. The support 3 may in particular comprise a printed circuit board, on which the light sources 2 and electronic components are arranged.

L'extrémité de la première face 39 du support 3 au voisinage du bord supérieur est plus étroite que l'extrémité de la première face 39 au voisinage du bord inférieur. La réduction de largeur est réalisée par au moins une zone de rétrécissement 36 formée par un épaulement 37, qui crée une surface d'appui 38 sensiblement parallèle au bord supérieur du support 3.The end of the first face 39 of the support 3 in the vicinity of the upper edge is narrower than the end of the first face 39 in the vicinity of the lower edge. The width reduction is achieved by at least one narrowing zone 36 formed by a shoulder 37, which creates a bearing surface 38 substantially parallel to the upper edge of the support 3.

Les sources lumineuses 2 sont disposées sur la partie du support 3 agencée entre la zone de rétrécissement 36 et le bord inférieur. Les sources lumineuses 2 sont disposées en une série transversale, perpendiculairement aux bords latéraux du support 3.The light sources 2 are arranged on the part of the support 3 arranged between the narrowing zone 36 and the lower edge. The light sources 2 are arranged in a transverse series, perpendicular to the lateral edges of the support 3.

Le support 3 comprend, sur la première face 39 entre le bord inférieur et les sources lumineuses 2, un ou plusieurs composants électroniques 31. Ces composants électroniques 31 peuvent être de tout type et de toute nature permettant l'accomplissement d'une fonction en lien avec le module lumineux 1, telle que l'activation sélective d'une ou de plusieurs sources lumineuses 2.The support 3 comprises, on the first face 39 between the lower edge and the light sources 2, one or more electronic components 31. These electronic components 31 can be of any type and of any nature allowing the accomplishment of a function in connection with the light module 1, such as the selective activation of one or more light sources 2.

Le support 3 comprend en outre un premier orifice d'indexage 32 et un deuxième orifice d'indexage 33, disposés l'un au voisinage du bord supérieur du support 3 et l'autre au voisinage du bord inférieur. Ces orifices 32, 33 présentent dans l'exemple illustré une section de forme cylindrique ou essentiellement cylindrique. Les deux orifices d'indexage 32, 33 peuvent être traversants, c'est-à-dire s'étendre d'une face à l'autre du support 3.The support 3 further comprises a first indexing orifice 32 and a second indexing orifice 33, arranged one in the vicinity of the upper edge of the support 3 and the other in the vicinity of the lower edge. These orifices 32, 33 have in the illustrated example a section of cylindrical or substantially cylindrical shape. The two indexing orifices 32, 33 may be through, that is to say extend from one face to the other of the support 3.

Le support 3 comprend en outre un trou d'indexage 34 de forme oblongue, qui est disposé au voisinage du premier orifice d'indexage 32 et des sources lumineuses 2, et un alésage central 35, traversant.The support 3 further comprises an indexing hole 34 of oblong shape, which is disposed in the vicinity of the first indexing hole 32 and the light sources 2, and a central bore 35, through.

L'élément optique 4 est disposé en regard de la première face 39 du support 3, à savoir la face sur laquelle sont disposées les sources lumineuses 2. L'élément optique 4 a une forme de plaque de faible épaisseur, délimitée par une face interne 49 amenée en regard du support 3 lorsque le module lumineux est assemblé, et une face externe 40 opposée à la face interne 49. La largeur et l'épaisseur de l'élément optique 4 sont essentiellement identiques à celles du support 3, et dont la longueur est inférieure à celle du support 3. Selon l'orientation choisie et notamment illustrée sur la figure 1, la largeur correspond à la dimension de l'élément optique 4 et du support 3 selon la direction transversale, l'épaisseur correspond à la dimension de l'élément optique 4 et du support 3 selon la direction longitudinale et la longueur correspond à la dimension de l'élément optique 4 et du support 3 selon la direction verticale.The optical element 4 is arranged facing the first face 39 of the support 3, namely the face on which the light sources 2 are arranged. The optical element 4 has a thin plate shape delimited by an internal face. 49 brought facing the support 3 when the light module is assembled, and an outer face 40 opposite to the inner face 49. The width and the thickness of the optical element 4 are essentially identical to those of the support 3, and whose length is less than that of the support 3. Depending on the orientation chosen and in particular illustrated on the figure 1 the width corresponds to the dimension of the optical element 4 and the support 3 in the transverse direction, the thickness corresponds to the dimension of the optical element 4 and the support 3 in the longitudinal direction and the length corresponds to the dimension of the optical element 4 and the support 3 in the vertical direction.

L'élément optique 4 comporte une portion de maintien élastique 62, une portion de traitement 64 des rayons lumineux ainsi qu'une portion de fixation 66.The optical element 4 comprises an elastic holding portion 62, a treatment portion 64 of the light rays and a fixing portion 66.

La portion de traitement 64 des rayons lumineux de l'élément optique 4 comporte une ou plusieurs microlentilles 42, qui dans l'exemple illustré sont disposées en une série transversale. La ou les microlentilles 42 s'étendent en saillie de la face externe 40 de l'élément optique 4, en présentant une forme hémisphérique ou essentiellement hémisphérique, disposées pour collaborer avec les sources lumineuses 2. Tel que cela sera décrit ci-après, les microlentilles 42 sont alignées en face des sources lumineuses 2 lorsque l'élément optique 4 est rapporté contre le support 3, en présentant un dégagement longitudinal pour ne pas écraser les sources lumineuses 2 lorsque l'élément optique 4 est plaqué contre le support 3. Les microlentilles 42 collaborent avec les sources lumineuses 2 de façon à projeter de façon contrôlée les rayons lumineux émis par les sources lumineuses 2.The processing portion 64 of the light rays of the optical element 4 comprises one or more microlenses 42, which in the illustrated example are arranged in a transverse series. The one or more microlenses 42 project from the outer face 40 of the optical element 4, having a hemispherical or essentially hemispherical shape, arranged to collaborate with the light sources 2. As will be described hereinafter, the microlenses 42 are aligned in front of the light sources 2 when the optical element 4 is attached against the support 3, having a longitudinal clearance so as not to crush the light sources 2 when the optical element 4 is pressed against the support 3. The microlenses 42 collaborate with the light sources 2 so as to project in a controlled manner the light rays emitted by the light sources 2.

Ces microlentilles 42 forment des optiques primaires 41 lorsque, tel que cela sera décrit ci-après, le module lumineux 1 que participe à former l'élément optique 4 est monté dans un dispositif lumineux 10 comportant en outre une lentille de projection 104 formant dès lors une optique secondaire.These microlenses 42 form primary optics 41 when, as will be described below, the light module 1 involved in forming the optical element 4 is mounted in a light device 10 further comprising a projection lens 104 forming a secondary optics.

L'élément optique 4 comporte en outre un évidement 43 et les microlentilles 42 sont agencés le long d'un des bords délimitant cet évidement. Dans l'exemple illustré, l'évidement est de forme essentiellement rectangulaire. On comprend que cet évidement 43 a pour rôle de permettre le dégagement par circulation d'air de la chaleur produite par les sources lumineuses 2.The optical element 4 further comprises a recess 43 and the microlenses 42 are arranged along one of the edges delimiting this recess. In the illustrated example, the recess is of substantially rectangular shape. It is understood that this recess 43 has the role of allowing the release by air of the heat produced by the light sources 2.

Entre la portion de traitement 64 des rayons lumineux et la portion de fixation 66, l'élément optique 4 comporte un aménagement 44 disposé pour créer un dégagement entre l'élément optique 4 et le support 3 lorsque ces deux pièces sont plaquées l'une contre l'autre. Il est ainsi possible de disposer sur le support 3 un composant électronique volumineux.Between the treatment portion 64 of the light rays and the fixing portion 66, the optical element 4 comprises an arrangement 44 arranged to create a clearance between the optical element 4 and the support 3 when these two parts are plated against each other. the other. It is thus possible to have on the support 3 a large electronic component.

L'élément optique 4 comporte, sur la face interne 49, un pion d'indexage 45 (visible sur la figure 2) de forme oblongue, disposé sur un bord délimitant l'évidement 43 à l'opposé des microlentilles 42. Ainsi, lors de l'assemblage du module lumineux 1, le pion d'indexage 45 de l'élément optique 4 s'étend en direction du support 3.The optical element 4 comprises, on the inner face 49, an indexing pin 45 (visible on the figure 2 ) of oblong shape, disposed on a delimiting edge the recess 43 opposite the microlenses 42. Thus, during the assembly of the light module 1, the indexing pin 45 of the optical element 4 extends toward the support 3.

La portion de fixation 66 de l'élément optique 4 comprend un alésage 47 traversant. Dans l'exemple illustré, l'alésage 47 présente une forme circulaire.The fixing portion 66 of the optical element 4 comprises a through bore 47. In the illustrated example, the bore 47 has a circular shape.

La portion de maintien élastique 62 de l'élément optique 4 comporte deux moyens de fixation élastique 46 disposés respectivement sur chacun des bords latéraux de l'élément optique 4. Ces moyens de fixation élastique 46 sont disposés de part et d'autre de l'élément optique 4, au voisinage du bord supérieur de l'élément optique 4. Les moyens de fixation élastique 46 prolongent sensiblement perpendiculairement la plaque formant l'élément support, du côté de la face interne 49, c'est-à-dire que ces moyens de fixation élastique 46 s'étendent à l'opposé des microlentilles 42.The elastic holding portion 62 of the optical element 4 comprises two resilient fixing means 46 respectively disposed on each of the lateral edges of the optical element 4. These elastic fixing means 46 are arranged on either side of the optical element 4, in the vicinity of the upper edge of the optical element 4. The resilient fixing means 46 extend substantially perpendicularly the plate forming the support member, on the side of the inner face 49, that is to say that elastic fixing means 46 extend opposite the microlenses 42.

Chaque moyen de fixation élastique 46 comporte un cadre 461 et une lame élastique 462.Each elastic attachment means 46 comprises a frame 461 and an elastic blade 462.

Le cadre 461 est formé par deux montants longitudinaux 463 issus de matière de la plaque de l'élément optique 4 et prolongeant sensiblement perpendiculairement celle-ci, au niveau d'un des bords latéraux de l'élément optique 4. Les deux montants longitudinaux 463 sont reliés à leur extrémité libre par un segment 464, agencé de la sorte à distance de la plaque de l'élément optique 4 et qui porte en son milieu la lame élastique 462, qui s'étend depuis le segment 464 dans le sens du rapprochement de la plaque de l'élément optique 4. Cette lame élastique 462 est incliné par rapport aux montants longitudinaux parallèles 463 dans la mesure où elle s'étend vers l'intérieur de l'élément optique 4. En d'autres termes, elle présente une composante transversale de manière à s'étendre dans le sens du rapprochement de la lame élastique 462 de l'autre moyen de fixation élastique 46.The frame 461 is formed by two longitudinal uprights 463 made of material from the plate of the optical element 4 and extending substantially perpendicularly thereto, at one of the lateral edges of the optical element 4. The two longitudinal uprights 463 are connected at their free end by a segment 464, arranged in this way at a distance from the plate of the optical element 4 and which carries in its middle the elastic blade 462, which extends from the segment 464 in the direction of the approximation of the plate of the optical element 4. This elastic blade 462 is inclined relative to the parallel longitudinal uprights 463 insofar as it extends inwardly of the optical element 4. In other words, it presents a transverse component so as to extend in the direction of the approximation of the elastic blade 462 of the other elastic fixing means 46.

Tel que cela va être décrit ci-après plus en détails, la portion de fixation élastique 66 est configurée de telle sorte que, lorsque l'élément optique 4 est dans la position prédéterminée, chacun des cadres 461, et plus particulièrement le montant longitudinal 463 inférieur, repose sur la surface d'appui 38 formée par l'épaulement 37 correspondant du support 3, et l'extrémité libre de chaque lame élastique 462, à l'opposé du segment 464, est en contact avec la seconde face 391 du support. La coopération des montants 463 et lames élastique 462 de l'élément optique 4 avec les formes appropriées ménagées sur le support 3 participent au maintien en position de l'élément optique 4.As will be described hereinafter in more detail, the elastic fixing portion 66 is configured such that, when the optical element 4 is in the predetermined position, each of the frames 461, and more particularly the longitudinal amount 463 lower, rests on the bearing surface 38 formed by the corresponding shoulder 37 of the support 3, and the free end of each elastic blade 462, opposite the segment 464, is in contact with the second face 391 of the support. The cooperation of the uprights 463 and the resilient blades 462 of the optical element 4 with the appropriate shapes provided on the support 3 contribute to holding the optical element 4 in position.

Le module lumineux 1 comporte en outre un organe de conduction thermique 8 sur lequel vient se plaquer le support 3. L'organe de conduction thermique 8 comporte une base 5, de forme et de dimensions essentiellement semblables à celles du support 3.The light module 1 further comprises a thermal conduction member 8 on which the support 3 is pressed. The thermal conduction member 8 comprises a base 5 of shape and dimensions substantially similar to those of the support 3.

La base 5 présente une face de contact 50 sur laquelle sont au moins ménagées un premier ergot d'indexage 51 et un deuxième ergot d'indexage 52, d'une forme complémentaire aux premier et deuxième orifices 32, 33 ménagés dans le support. Lorsque le support 3 est rapporté contre la base 5, ces ergots d'indexage 51, 52 sont disposés en face des orifices d'indexages 32, 33 du support 3, de manière à permettre le positionnement du support 3 par rapport à la base 5.The base 5 has a contact face 50 on which are at least made a first indexing pin 51 and a second indexing pin 52, a shape complementary to the first and second orifices 32, 33 formed in the support. When the support 3 is attached against the base 5, these indexing lugs 51, 52 are arranged opposite the indexing orifices 32, 33 of the support 3, so as to allow the positioning of the support 3 relative to the base 5. .

La base 5 comporte également, sur la face opposée à la face de contact 50 sur laquelle est plaqué le support 3, au moins un premier doigt de préhension 55 prolongeant perpendiculairement la base 5 et agencé à une extrémité de la base 5, au voisinage ici du bord supérieur. Dans l'exemple illustré, on a prévu un deuxième doigt de préhension 56 de sorte que ces doigts de préhension 55, 56 sont chacun disposés sur une extrémité de la base 5. Les doigts de préhension 55, 56 peuvent s'étendre sur tout ou partie de la largeur de la base 5.The base 5 also comprises, on the face opposite to the contact face 50 on which the support 3 is plated, at least a first gripping finger 55 perpendicularly extending the base 5 and arranged at one end of the base 5, in the vicinity here from the top edge. In the illustrated example, there is provided a second gripping finger 56 so that these gripping fingers 55, 56 are each arranged on one end of the base 5. The gripping fingers 55, 56 can extend over all or part of the width of the base 5.

Les doigts de préhension 55, 56 sont tous deux destinés à permettre la saisie de la base 5 pour permettre d'obtenir l'orientation correcte de cette base 5 et donc de l'ensemble du module lumineux 1 avant sa fixation dans un dispositif d'éclairage et/ou de signalisation dans le véhicule. A cet effet, le premier doigt de préhension 55 comporte deux orifices de saisie 57, 58, configurés pour collaborer avec toute machine-outil utile à la fabrication, à l'assemblage ou au réglage du module lumineux 1. Les orifices de saisie 57, 58 sont disposés sur la face supérieure du premier doigt de préhension 55. Dans le mode de réalisation de l'exemple, l'un des orifices de saisie 57, 58 est traversant et l'autre non.The gripping fingers 55, 56 are both intended to allow the gripping of the base 5 to obtain the correct orientation of this base 5 and therefore of the entire light module 1 before its attachment in a device. lighting and / or signaling in the vehicle. For this purpose, the first gripping finger 55 comprises two gripping ports 57, 58, configured to collaborate with any machine tool useful for the manufacture, assembly or adjustment of the light module 1. The gripping ports 57, 58 are arranged on the upper face of the first gripping finger 55. In the embodiment of the example, one of the inlet ports 57, 58 is through and the other not.

La base 5 comporte en outre un trou de fixation 59 qui s'étend dans l'épaisseur de la base depuis la face opposée à la face de contact 50 sur laquelle est amené à être plaqué le support 3. Dans l'exemple illustré, ce trou de fixation 59 est traversant, c'est-à-dire qu'il débouche sur la face de contact 50, mais on comprendra qu'il peut être borgne. Ce trou de fixation 59, tel que cela sera précisé ci-après, a pour vocation de participer à la fixation de la base 5 et donc de l'ensemble du module lumineux 1 sur un boîtier d'un dispositif d'éclairage et/ou de signalisation. Il peut notamment être taraudé pour recevoir une vis de fixation 7.The base 5 further comprises an attachment hole 59 which extends in the thickness of the base from the face opposite to the contact face 50 on which the support 3 is made to be plated. In the example shown, this fixing hole 59 is through, that is to say it opens on the contact face 50, but it will be understood that it can be blind. This fixing hole 59, as will be specified below, is intended to participate in fixing the base 5 and therefore the entire light module 1 on a housing of a lighting device and / or signaling. It can in particular be threaded to receive a fixing screw 7.

Par ailleurs, la base 5 comporte un oeillet d'indexage 53, de forme oblongue sensiblement égale à la forme oblongue du trou d'indexage 34 réalisé dans le support 3.Furthermore, the base 5 comprises an indexing eyelet 53, of oblong shape substantially equal to the oblong shape of the indexing hole 34 made in the support 3.

La base 5 comporte également, sensiblement en son centre, un alésage fileté 54, qui s'étend dans l'épaisseur de la base 5 depuis la face de contact 50 disposée pour être en contact avec le support 3. Dans l'exemple illustré, il est notamment illustré que l'alésage fileté 54 n'est pas traversant et consiste en un trou borgne.The base 5 also comprises, substantially at its center, a threaded bore 54, which extends in the thickness of the base 5 from the contact face 50 arranged to be in contact with the support 3. In the illustrated example, it is particularly illustrated that the threaded bore 54 is not through and consists of a blind hole.

Le pion d'indexage 45 de l'élément optique 4 est agencé pour collaborer avec le trou d'indexage 34 et l'oeillet d'indexage 53 pour participer au positionnement de l'élément optique 4 sur le support 3.The indexing pin 45 of the optical element 4 is arranged to collaborate with the indexing hole 34 and the indexing eyelet 53 to participate in the positioning of the optical element 4 on the support 3.

On va maintenant décrire, en se référant à la figure 4, le module lumineux 1 formé par la coopération de chacun des éléments précédemment décrits. La figure 3 illustre un module lumineux 1 assemblé selon l'invention.We will now describe, referring to the figure 4 , the light module 1 formed by the cooperation of each of the previously described elements. The figure 3 illustrates a light module 1 assembled according to the invention.

Dans un premier temps, le support 3 est disposé sur l'organe de conduction thermique 8, et plus particulièrement sur sa base 5. On positionne à cet effet la seconde face 391 du support 3 en regard de la face de contact 50. On aligne sensiblement les bords de la base 5 et ceux du support 3, et on fait de la sorte correspondre les moyens d'indexage. Les ergots d'indexage 51, 52 portés par la base 5 pénètrent dans les orifices d'indexage 32, 33 ménagés dans le support, et on assure ainsi la position relative du support 3 par rapport à la base 5. Dans cette position relative, l'oeillet d'indexage 53 est situé en face du trou d'indexage 34 du support 3, et l'alésage central 35 du support 3 est aligné avec l'alésage fileté central 54 disposé sur la base 5. Il convient de noter que l'alésage central 35 présente un diamètre supérieur à celui de l'alésage fileté central 54.In a first step, the support 3 is disposed on the thermal conduction member 8, and more particularly on its base 5. For this purpose, the second face 391 of the support 3 is positioned facing the contact face 50. substantially the edges of the base 5 and those of the support 3, and the indexing means are thus made to correspond. The indexing lugs 51, 52 carried by the base 5 penetrate into the indexing orifices 32, 33 formed in the support, and thus ensures the relative position of the support 3 relative to the base 5. In this relative position, the indexing eye 53 is located opposite the indexing hole 34 of the support 3, and the central bore 35 of the support 3 is aligned with the central threaded bore 54 disposed on the base 5. It should be noted that the central bore 35 has a larger diameter to that of the central threaded bore 54.

L'élément optique 4 est ensuite disposé sur le support 3, en mettant en regard la face interne 49 de l'élément optique 4 et la première face 39 du support 39. Les moyens de fixation élastique 46 sont alors tournés vers le support 3. On réalise dans un premier temps un pré-positionnement de l'élément optique 4 en faisant reposer le montant longitudinal inférieur 463 du cadre 461 de chaque moyen de fixation élastique 46 sur la surface d'appui 38 formée par le bord d'épaulement 37 réalisé sur le support 3. On fait ensuite coulisser l'élément optique 4 longitudinalement, c'est-à-dire perpendiculairement au plan défini par le support 3, le long de cette surface d'appui 38, étant entendu que la forme de la base 5 est définie pour ne pas entraver ce coulissement.The optical element 4 is then placed on the support 3, by facing the inner face 49 of the optical element 4 and the first face 39 of the support 39. The elastic fixing means 46 are then turned towards the support 3. At first, pre-positioning of the optical element 4 is performed by resting the lower longitudinal amount 463 of the frame 461 of each elastic fixing means 46 on the bearing surface 38 formed by the shoulder edge 37 made on the support 3. The optical element 4 is then slid longitudinally, that is to say perpendicularly to the plane defined by the support 3, along this bearing surface 38, it being understood that the shape of the base 5 is defined not to hinder this sliding.

Au cours du déplacement de l'élément optique 4 en rapprochement du support 3, les lames élastiques 462, qui dans leur forme d'origine sont inclinées en se rapprochant du centre de l'élément optique 4, entrent en contact avec le bord latéral du support 3. Les lames élastiques 462 sont configurées pour se déformer élastiquement vers l'extérieur de l'élément optique 4 et permettre le coulissement.During the displacement of the optical element 4 towards the support 3, the elastic blades 462, which in their original form are inclined towards the center of the optical element 4, come into contact with the lateral edge of the optical element 4. 3. The elastic blades 462 are configured to deform elastically outwardly of the optical element 4 and allow sliding.

Par ailleurs, lors du coulissement de l'élément optique 4, le pion d'indexage 45 agencé sur la face interne 49 de l'élément optique 4 arrive en regard du trou d'indexage 34 ménagé dans le support 3. Il peut en résulter un ajustement de la position de l'élément optique 4 par rapport au support 3, pour permettre l'insertion du pion d'indexage 45 dans le trou d'indexage 34, puis dans l'oeillet d'indexage 53 ménagé dans la base 5 et disposé dans le prolongement immédiat du trou d'indexage 34. Dès lors, le cadre 461 du moyen de fixation élastique 46 et le pion d'indexage 45 d'une part, et la surface d'appui 38 formée par le bord d'épaulement 37 et le trou d'indexage 34 d'autre part forment des moyens de positionnement de l'élément optique 4 sur le support dans une position déterminée.Moreover, during the sliding of the optical element 4, the indexing pin 45 arranged on the inner face 49 of the optical element 4 comes opposite the indexing hole 34 formed in the support 3. It may result an adjustment of the position of the optical element 4 relative to the support 3, to allow insertion of the indexing pin 45 in the indexing hole 34, then in the indexing eye 53 formed in the base 5 and disposed in the immediate extension of the indexing hole 34. Therefore, the frame 461 of the means resilient fixation 46 and the indexing pin 45 on the one hand, and the bearing surface 38 formed by the shoulder edge 37 and the indexing hole 34 on the other hand form positioning means of the optical element 4 on the support in a determined position.

En bout de coulissement, l'élément optique 4 est au contact du support 3, ou au voisinage direct de celui-ci, étant entendu que ceux pièces sont configurées pour que les sources lumineuses 2 ne soient pas écrasées par l'élément optique 4 dans cette position souhaitée. Notamment les microlentilles 42 sont ménagées en bord de l'évidement 43 avec un léger décalage longitudinal par rapport à la face interne 49 de l'élément optique 4. On pourra également prévoir de ménager sur l'élément optique 4, tel que visible sur la figure 2, des bourrelets 490 permettant de plaquer l'élément optique 4 sur le support 3 sans venir écraser les sources lumineuses 2.At the end of sliding, the optical element 4 is in contact with the support 3, or in the direct vicinity thereof, it being understood that these parts are configured so that the light sources 2 are not crushed by the optical element 4 in this desired position. In particular microlenses 42 are formed at the edge of the recess 43 with a slight longitudinal shift relative to the inner face 49 of the optical element 4. It will also be possible to provide on the optical element 4, as visible on the figure 2 , beads 490 for pressing the optical element 4 on the support 3 without crushing the light sources 2.

La coopération des moyens de positionnement, à savoir les moyens de positionnement 45 portés par l'élément optique 4 et les moyens de positionnement complémentaires portés par le support 3 notamment, permet l'obtention d'une position prédéterminée, dans laquelle l'alésage 47 traversant disposé dans la portion de fixation 66 de l'élément optique 4 est situé en face de l'alésage central 35 du support et de l'alésage fileté central 54 de la base 5. Ces trois alésages 54, 35, 47 sont ainsi alignés et dès lors configurés pour recevoir un premier moyen de fixation 6, étant entendu que l'alésage traversant 47 de l'élément optique 4 présente un diamètre plus important que celui de l'alésage fileté central 54 de la base 5.The cooperation of the positioning means, namely the positioning means 45 carried by the optical element 4 and the complementary positioning means carried by the support 3 in particular, makes it possible to obtain a predetermined position, in which the bore 47 passageway disposed in the attachment portion 66 of the optical element 4 is located opposite the central bore 35 of the support and the central threaded bore 54 of the base 5. These three bores 54, 35, 47 are thus aligned and therefore configured to receive a first fastening means 6, it being understood that the through bore 47 of the optical element 4 has a greater diameter than that of the central threaded bore 54 of the base 5.

Dans la position prédéterminée, les lames élastiques 462 sont passées au-delà de la plaque formant support 3 et elles ne sont plus en contact avec un bord latéral de cette plaque. Dès lors, elles reprennent leur forme d'origine, et tendent à se rapprocher l'une de l'autre, vers le centre de l'élément optique 4. L'extrémité libre de chaque lame élastique 462 vient alors en position derrière la plaque formant support 3, en regard de la seconde face 391. Le support 3 forme alors butée à l'encontre du dégagement des lames élastiques 462 et donc du dégagement de l'élément optique 4. S'il est souhaité de remplacer l'élément optique 4, il convient d'agir sur les lames élastiques 462, de les contraindre selon un effort particulier pour les écarter l'une de l'autre et les dégager du support 3. En fonctionnement, sans intervention extérieure d'un opérateur, la position de l'élément optique 4 par rapport au support 3 et donc la position des microlentilles 42 par rapport aux sources lumineuses 2 est fiable.In the predetermined position, the resilient blades 462 are passed past the support plate 3 and are no longer in contact with a side edge of this plate. Therefore, they resume their original shape, and tend to approach one another towards the center of the optical element 4. The free end of each elastic blade 462 then comes into position behind the plate 3, facing the second face 391. The support 3 then forms a stop against the release of the elastic blades 462 and thus the release of the optical element 4. If it is desired to replace the element 4, it is advisable to act on the elastic blades 462, to constrain them with a particular effort to separate them from one another and to disengage them from the support 3. In operation, without outside intervention by an operator, the position of the optical element 4 relative to the support 3 and therefore the position of the microlenses 42 relative to the light sources 2 is reliable.

On utilise en dernier lieu le premier moyen de fixation 6 pour maintenir ensemble l'élément optique 4, le support 3 et la base 5. Le premier moyen de fixation 6 est dans l'exemple illustré une vis de fixation, la tête de la vis de fixation étant du côté de l'élément optique 4.Lastly, the first fastening means 6 are used to hold together the optical element 4, the support 3 and the base 5. The first fastening means 6 is, in the example illustrated, a fastening screw, the head of the screw fastening being on the side of the optical element 4.

L'élément optique 4 est alors relativement fixé au support 3 en trois points, et on peut constater que le centre de ces trois points est positionné sensiblement au voisinage sur les microlentilles 42, de sorte que l'on assure une position fiable des microlentilles 42 par rapport aux sources lumineuses 2 quelles que soient les tolérances de fabrication.The optical element 4 is then relatively fixed to the support 3 at three points, and it can be seen that the center of these three points is positioned substantially in the vicinity of the microlenses 42, so that a reliable position of the microlenses 42 is ensured. compared to the light sources 2 regardless of the manufacturing tolerances.

Le procédé de montage du module lumineux 1 selon l'invention décrit ci-après ne constitue qu'un exemple de montage. Il n'est en aucun cas limitatif, et on pourra notamment prévoir de monter tout d'abord l'élément optique 4 sur le support 3, puis de monter ce sous-ensemble sur l'organe de conduction thermique 8 et sa base 5.The mounting method of the light module 1 according to the invention described below is only an example of mounting. It is in no way limiting, and it will be possible in particular to first mount the optical element 4 on the support 3, then mount this subassembly on the thermal conduction member 8 and its base 5.

Le module lumineux 1 ainsi formé peut alors être monté sur un boîtier ou une platine d'un dispositif lumineux par l'intermédiaire d'un deuxième moyen de fixation 7, notamment une vis de fixation, coopérant avec le trou de fixation 59 ménagé dans la base 5.The light module 1 thus formed can then be mounted on a housing or a plate of a light device by means of a second fastening means 7, in particular a fixing screw, cooperating with the fixing hole 59 formed in the base 5.

La figure 4 illustre un dispositif lumineux 10 comprenant plusieurs modules lumineux 1 selon l'invention, et notamment constitués tel que cela vient d'être décrit d'un organe de conduction thermique 8, d'un support 3 et d'un élément optique 4 formant un sous-ensemble apte à être réalisé à part et rapporté ensuite sur le boîtier ou la platine du dispositif lumineux.The figure 4 illustrates a light device 10 comprising several light modules 1 according to the invention, and in particular constituted such as has just been described a heat conduction member 8, a support 3 and an optical element 4 forming a sub -etemble able to be made apart and then reported on the housing or the plate of the light device.

Chaque module lumineux 1 selon l'invention est fixé sur une platine 102 par un deuxième moyen de fixation 7. Dans l'exemple illustré, les modules lumineux 1 sont disposés sur une extrémité axiale de la platine 102 et ils sont portés par une paroi verticale 110 de la platine 102, qui porte par ailleurs, sur la face opposée, un dissipateur thermique 9, ici de type à ailettes.Each light module 1 according to the invention is fixed on a plate 102 by a second fixing means 7. In the example illustrated, the modules 1 are arranged on an axial end of the plate 102 and they are carried by a vertical wall 110 of the plate 102, which also bears, on the opposite side, a heat sink 9, here fins type.

Le dispositif comporte par ailleurs une lentille 104, disposée à une extrémité axiale de la platine 102 opposée à celle où sont disposés les modules lumineux 1. On forme ainsi un système optique comprenant une optique primaire 41 formée par les microlentilles 42 directement au voisinage des sources lumineuses 2 et une optique secondaire 104, chacune de ces optiques étant configurée pour participer à la formation d'un faisceau d'éclairage et/ou de signalisation de véhicule automobile sur la base des rayons lumineux initialement émis par les sources lumineuses 2.The device also comprises a lens 104, disposed at an axial end of the plate 102 opposite to that where the light modules 1 are arranged. An optical system is thus formed comprising a primary optic 41 formed by the microlenses 42 directly in the vicinity of the sources. 2 and a secondary optical 104, each of these optics being configured to participate in the formation of a lighting beam and / or motor vehicle signaling on the basis of the light rays initially emitted by the light sources 2.

On peut notamment observer sur la figure 4 que certains des modules lumineux 1 comportent un nombre différent de sources lumineuses 2 et de microlentilles 42 associées. On a illustré ainsi sur la figure 5 un deuxième mode de réalisation du module lumineux qui diffère du premier mode de réalisation précédemment décrit en ce que le support 3 comporte sept sources lumineuses 2, l'élément optique 4 comportant pour sa part de façon correspondante sept microlentilles 42 formant optique primaire 41.We can observe in particular figure 4 that some of the light modules 1 comprise a different number of light sources 2 and microlenses 42 associated. This is illustrated on the figure 5 a second embodiment of the light module which differs from the first embodiment previously described in that the support 3 comprises seven light sources 2, the optical element 4 correspondingly comprising seven microlenses 42 forming a primary optic 41.

Il en résulte que le support 3 présente un élargissement de sa largeur au niveau de la portion de traitement 64 des rayons afin de loger la série de sources lumineuses 2. Les autres caractéristiques et éléments du module lumineux 1 dans ce deuxième mode de réalisation sont identiques ou essentiellement identiques à ceux exposés dans la description du premier mode de réalisation.As a result, the support 3 has an enlargement of its width at the level of the treatment portion 64 of the rays in order to house the series of light sources 2. The other characteristics and elements of the light module 1 in this second embodiment are identical or substantially the same as those set forth in the description of the first embodiment.

Les modes de réalisation qui sont décrits plus haut ne sont nullement limitatifs ; on pourra notamment imaginer des variantes de l'invention ne comprenant qu'une sélection de caractéristiques décrites par la suite isolées des autres caractéristiques décrites, si cette sélection de caractéristiques est suffisante pour conférer un avantage technique ou pour différencier l'invention par rapport à l'état de la technique antérieur.The embodiments described above are in no way limiting; it will be possible to imagine variants of the invention comprising only a selection of characteristics described hereinafter isolated from the other characteristics described, if this selection of characteristics is sufficient to confer a technical advantage or to differentiate the invention compared to the state of the art.

Claims (15)

Module lumineux (1) comportant au moins une source lumineuse (2), un support (3) de la source lumineuse (2), et un élément optique (4) apte à recevoir des rayons émis par la source lumineuse (2),
caractérisé en ce que l'élément optique (4) comporte des moyens de positionnement (45,463) de cet élément optique (4) sur le support (3) dans une position prédéterminée et des moyens de fixation élastiques (46) de cet élément optique (4) sur le support (3) dans la position prédéterminée.Light module (1) comprising at least one light source (2), a support (3) of the light source (2), and an optical element (4) adapted to receive rays emitted by the light source (2),
characterized in that the optical element (4) comprises positioning means (45, 463) for this optical element (4) on the support (3) in a predetermined position and elastic fixing means (46) for this optical element ( 4) on the support (3) in the predetermined position. Module lumineux (1) selon la revendication 1, caractérisé en ce que l'élément optique (4) est plaqué sur le support (3).Light module (1) according to claim 1, characterized in that the optical element (4) is pressed onto the support (3). Module lumineux (1) selon l'une quelconque des revendications précédentes, caractérisé en ce que le support (3) comporte au moins un moyen de positionnement complémentaire (34,38) des moyens de positionnement (45,463) de l'élément optique (4).Light module (1) according to any one of the preceding claims, characterized in that the support (3) comprises at least one complementary positioning means (34,38) for positioning means (45,463) of the optical element (4 ). Module lumineux (1) selon la revendication précédente, caractérisé en ce que les moyens de positionnement de l'élément optique (4) comportent un pion d'indexage (45) et les moyens de positionnement complémentaires du support (3) comporte un trou d'indexage (34) destiné à recevoir le pion d'indexage (45) lorsque l'élément optique (4) est dans la position prédéterminée.Light module (1) according to the preceding claim, characterized in that the positioning means of the optical element (4) comprise an indexing pin (45) and the complementary positioning means of the support (3) comprises a hole d indexing means (34) for receiving the indexing pin (45) when the optical element (4) is in the predetermined position. Module lumineux (1) selon l'une quelconque des revendications précédentes, caractérisé en ce que les moyens de positionnement de l'élément optique (4) comportent au moins un montant (463) des moyens de fixation élastique (46) et les moyens de positionnement complémentaires comportent au moins une surface d'appui (38) formée par un bord du support (3), le montant (463) s'appuyant sur la surface d'appui (38) pour amener l'élément optique (4) dans la position prédéterminée.Light module (1) according to any one of the preceding claims, characterized in that the positioning means of the optical element (4) comprise at least one upright (463) of the elastic fixing means (46) and the means for complementary positioning comprise at least one bearing surface (38) formed by an edge of the support (3), the upright (463) resting on the surface support (38) for bringing the optical element (4) into the predetermined position. Module lumineux selon l'une quelconque des revendications précédentes, caractérisé en ce que les moyens de fixation élastique (46) comportent au moins un segment (464) de support d'une lame élastique (462) configurée pour que son extrémité libre à l'opposé dudit segment forme une butée contre le support (3) à l'encontre du dégagement de l'élément optique (4).Light module according to any one of the preceding claims, characterized in that the elastic fixing means (46) comprise at least one segment (464) for supporting an elastic blade (462) configured so that its free end to the opposite said segment forms a stop against the support (3) against the release of the optical element (4). Module lumineux (1) selon l'une quelconque des revendications précédentes, caractérisé en ce que l'élément optique (4) comprend au moins une microlentille (42) configurée de manière à se trouver en regard d'une source lumineuse (2) lorsque l'élément support (4) est dans la position prédéterminée par rapport au support (3).Light module (1) according to any one of the preceding claims, characterized in that the optical element (4) comprises at least one microlens (42) configured so as to face a light source (2) when the support element (4) is in the predetermined position relative to the support (3). Module lumineux (1) selon la revendication précédente, caractérisé en ce qu'il comprend une pluralité de sources lumineuses (2) et une pluralité de microlentilles (42), chaque microlentille (42) étant destinée à coopérer avec une source lumineuse (2) pour former un segment lumineux activable sélectivement.Light module (1) according to the preceding claim, characterized in that it comprises a plurality of light sources (2) and a plurality of microlenses (42), each microlens (42) being intended to cooperate with a light source (2) to form a selectively activatable light segment. Module lumineux (1) selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il comporte un organe de conduction thermique (8) agencé pour conduire de la chaleur émise par la source lumineuse (2) vers un dissipateur thermique (9).Light module (1) according to any one of the preceding claims, characterized in that it comprises a thermal conduction member (8) arranged to conduct heat emitted by the light source (2) to a heat sink (9) . Module lumineux (1) selon la revendication précédente, caractérisé en ce que l'organe de conduction thermique (8) comporte une base (5) sur laquelle est lié solidairement le support (3) et l'élément optique (4).Light module (1) according to the preceding claim, characterized in that the thermal conduction member (8) comprises a base (5) on which is integrally bonded the support (3) and the optical element (4). Module lumineux (1) selon la revendication précédente, caractérisé en ce que l'organe de conduction thermique (8) comporte en outre au moins un doigt de préhension (55) pour le positionnement de l'organe de conduction thermique (8).Light module (1) according to the preceding claim, characterized in that the thermal conduction member (8) further comprises at least one gripping finger (55) for positioning the thermal conduction member (8). Module lumineux (1) selon l'une quelconque des revendications 10 ou 11, caractérisé en ce que la base (5), le support (3) et l'élément optique (4) comportent chacun un orifice de fixation (59, 35, 47), les orifices de fixation (59, 35, 47) étant alignés pour recevoir un moyen de fixation (6).Light module (1) according to any one of claims 10 or 11, characterized in that the base (5), the support (3) and the optical element (4) each comprise a fixing orifice (59, 35, 47), the fixing orifices (59, 35, 47). ) being aligned to receive a fastening means (6). Module lumineux (1) selon l'une des revendications 10 à 12, caractérisé en ce que la base (5) comporte au moins un ergot d'indexage (51) destiné à coopérer avec un orifice d'indexage (32) du support (3).Light module (1) according to one of claims 10 to 12, characterized in that the base (5) has at least one indexing lug (51) intended to cooperate with an indexing hole (32) of the support ( 3). Dispositif lumineux (10) pour véhicule automobile comportant au moins un module lumineux (1) selon l'une des revendications 1 à 13.Light device (10) for a motor vehicle comprising at least one light module (1) according to one of claims 1 to 13. Dispositif lumineux (10) selon la revendication précédente, caractérisé en ce qu'il comporte une platine (102) sur laquelle sont disposés le au moins un module lumineux (1) et une lentille de projection (104), la lentille de projection (104) formant une optique secondaire (104) alors que le ou les éléments optiques (4) associés au module lumineux (1) forment des optiques primaires (41).Light device (10) according to the preceding claim, characterized in that it comprises a plate (102) on which are arranged the at least one light module (1) and a projection lens (104), the projection lens (104) ) forming a secondary optics (104) while the optical element or elements (4) associated with the light module (1) form primary optics (41).
EP17190832.0A 2016-09-26 2017-09-13 Luminous module and luminous device for motor vehicle comprising such a luminous module Active EP3299710B1 (en)

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FR1659051A FR3056699B1 (en) 2016-09-26 2016-09-26 LUMINOUS MODULE AND LUMINOUS DEVICE FOR SELF-MOVING VEHICLE COMPRISING SUCH A LIGHT MODULE

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FR3056699B1 (en) 2019-06-28
AT17812U1 (en) 2023-03-15
US11221120B2 (en) 2022-01-11
US20180087733A1 (en) 2018-03-29
US10738957B2 (en) 2020-08-11
CN108302480A (en) 2018-07-20
EP3537040B1 (en) 2020-08-05
JP7337480B2 (en) 2023-09-04
FR3056699A1 (en) 2018-03-30
DE202017007315U1 (en) 2020-10-09
EP3299710B1 (en) 2019-04-24
US20200363033A1 (en) 2020-11-19
US20190195454A1 (en) 2019-06-27
EP3537040A1 (en) 2019-09-11
JP2018056125A (en) 2018-04-05
US10267475B2 (en) 2019-04-23

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