LUMINOUS MODULE INCLUDING A FIELD-CORRECTING OPTICAL ELEMENT

A field-correcting optical element configured to be arranged in an adaptive lighting device crosswise to light rays emitted by a plurality of light sources includes an entrance face through which light rays enter and an exit face through which these light rays exit. At least one segment of the entrance face is covered with an antireflection coating that is able to increase the transmittance of light rays through the optical element. 1. Field-correcting optical element configured to be arranged in an adaptive lighting device crosswise to light rays emitted by a plurality of light sources , the optical element comprising an entrance face through which light rays enter and an exit face through which these light rays exit , wherein at least one segment of the entrance face is covered with an antireflection coating that is able to decrease the reflection of some of the light rays by this entrance face.2. Field-correcting optical element according to claim 1 , wherein the entrance face is concave.3. Field-correcting optical element according to claim 1 , wherein the dioptric interface formed between the entrance face and its antireflection coating is configured to have a transmittance at least equal to 97%.4. Field-correcting optical element according to claim 1 , wherein at least one segment of the exit face is covered with an antireflection coating.5. Field-correcting optical element according to claim 3 , wherein the exit face is convex.6. Field-correcting optical element according to claim 1 , wherein the antireflection coating is a monolayer coating of low-refractive-index material claim 1 , preferably magnesium fluoride MgF.7. Field-correcting optical element according to claim 6 , wherein the monolayer of said low-refractive-index material has a thickness (e) equal to:{'br': None, 'i': e', 'n,, '()=λ/4·'}where λ is the wavelength of the centrepoint of the antireflection and n the refractive index of said material.8. Field-correcting optical element according to ...

LIGHTING AND/OR SIGNALING DEVICE FOR MOTOR VEHICLE

A semiconductor light source that includes a substrate B and a plurality of semiconductor light-emitting rods extending respectively from the substrate, and a plurality of separating walls also extending from the substrate. The separating walls are arranged between the rods in such a way as to define groups of rods, and such that at least two separating walls have a different height. 1: Semiconductor light source comprising a plurality of light emitters that are arranged on the surface of a carrier , and a plurality of separating walls , also extending from the carrier while being arranged between said emitters in such a way as to define groups of emitters , and such that at least two separating walls defining one and the same group of emitters have a different height.2: Light source according to claim 1 , comprising a substrate claim 1 , a plurality of semiconductor light-emitting rods extending respectively from the substrate claim 1 , and a plurality of separating walls claim 1 , also extending from the substrate while being arranged between said rods in such a way as to define groups of rods claim 1 , and such that at least two separating walls have a different height.3: Light source according to claim 1 , wherein that said two separating walls of different height extend substantially perpendicularly with respect to one another.4: Light source according to claim 1 , wherein a first series of first separating walls claim 1 , substantially parallel to one another claim 1 , extends from the substrate in a first direction and has an average height greater than the average height of a second series of second separating walls claim 1 , substantially parallel to one another and extending in a second direction substantially perpendicularly to the first direction.5: Light source according to claim 3 , wherein at least the first separating walls of the first series have a progressive height claim 3 , decreasing from the center of the light source toward at least one edge ...

LUMINOUS MODULE COMPRISING A MATRIX ARRAY OF LIGHT SOURCES AND A BIFOCAL OPTICAL SYSTEM

A luminous motor-vehicle module, comprising an array of light sources and a bifocal imaging device that is designed to project an image of each light source, wherein the luminous module comprises at least one primary optical element, which at its exit does not modify in a vertical direction V the angle of the incident rays, and which allows secondary sources to be formed the lateral dimension of which is larger than a lateral dimension of the light sources and the angular aperture of the emitted secondary light beams of which is smaller than an angular aperture of the light beams emitted by the light sources. 1. Luminous motor-vehicle module , comprising:at least one array of light sources, comprising m transverse rows and n vertical rows, the number n being higher than the number m;at least one bifocal imaging device designed to project a light beam, the imaging device having a horizontal first focusing surface and a vertical second focusing surface parallel to the first surface;wherein the luminous module comprises at least one primary optical element, which at its exit does not modify in a vertical direction V the angle of the incident rays, the primary optical element being arranged to transfer the light emitted by the light sources to a virtual projecting surface that is defined between the array and the imaging device, and that is coincident with the first focusing surface, in such a way that the projections in a plane containing a horizontal axis of the beams emitted by the light sources form, on the virtual projecting surface, secondary light sources,and in that the vertical second focusing surface is coincident with the surface of the array of the light sources, and in that, in a horizontal plane, a transverse dimension of the secondary light sources is larger than a transverse dimension of the light sources and an angular aperture of the secondary light beams emitted by the secondary light sources is smaller than an angular aperture of the light beams ...

DEVICE COMPRISING AT LEAST ONE WAVELENGTH CONVERTER, LIGHT MODULE AND LIGHTING DEVICE FOR AN AUTOMOTIVE VEHICLE COMPRISING SUCH A DEVICE

An optical device comprising: an optical element for converting wavelength formed from a first optical medium having a first refractive index. The converter element receives an incident light beam at a first face and converts it into a converted light beam. The reflective optical element, positioned on a second face of the converter is configured to reflect the converted light beam. The optical device comprises a primary optical element formed from a second optical medium having a second refractive index substantially identical to the first refractive index. A first face of the primary optical element being positioned in proximity to the first face of the converter element, the primary optical element receives the incident light beam and transmits it to the converter. A second face of the primary optical element forms an output face for outputting the converted light beam to minimize parasitic reflections of the converted light beam off itself. 1. An optical device comprising at least one optical converter element for converting wavelength , formed from a first optical medium having a first refractive index , said at least one optical converter element being configured to receive an incident light beam at a first face and to convert said incident light beam into a converted light beam ,wherein said optical device further comprises:a reflective optical element, positioned on a second face of said at least one optical converter element, said second face being generally opposite said first face, said reflective optical element being configured to reflect said converted light beam;an optical element, referred to as a primary optical element, formed from a second optical medium having a second refractive index that is substantially identical to said first refractive index, a first face of said primary optical element being positioned in proximity to said first face of said at least one optical converter element, said primary optical element being configured to receive ...

LUMINOUS LIGHTING AND/OR SIGNALING MODULE OF AN AUTOMOTIVE VEHICLE

A luminous lighting and/or signaling module for an automotive vehicle, the module comprising first means arranged to produce a first cut-off beam and second means arranged to produce at least two selectively activatable luminous segments, the luminous segments forming a second beam that is complementary to the cut-off beam, when they are activated simultaneously. 1. A luminous lighting and/or signaling module of an automotive vehicle , said luminous lighting and/or signaling module comprising first means arranged to produce a first cut-off beam and second means arranged to produce at least two selectively activatable luminous segments , said at least two selectively activatable luminous segments forming a second beam that is complementary to said first cut-off beam , when they are activated simultaneously.2. The luminous lighting and/or signaling module according to claim 1 , wherein said luminous lighting and/or signaling module furthermore comprises a projecting device placed on a path of said first cut-off beam and said second beam claim 1 , said projecting device comprising a focal zone and especially a focal plane (P).3. The luminous lighting and/or signaling module according to claim 1 , wherein said first means consist of a first submodule arranged to produce a low beam claim 1 , especially comprising an oblique cut-off portion.4. The luminous lighting and/or signaling module according to claim 3 , wherein said first submodule furthermore comprises an especially reflective shield forming a means for cutting off a beam of rays emitted by a first light source.5. The luminous lighting and/or signaling module according to claim 4 , wherein said first reflective shield comprises an edge placed in said focal zone (P) of said projecting device.6. The luminous lighting and/or signaling module according to claim 1 , wherein said second means consist of a second submodule in which a least two selectively activatable second light sources are able to emit claim 1 , ...

Lighting device for a motor vehicle comprising a light guide

An optical lighting module for a motor vehicle including a primary optical element having a first rear portion with a plurality of light guides of longitudinal main axis arranged along at least one transverse row, each comprising an output front end face for a secondary light beam. Also included is a front portion which has a common output front face for the secondary light beams, wherein the front face of the front portion is conformed to spread the secondary light beams at least in a vertical direction.

Optical module for a motor vehicle

An optical module for a motor vehicle, the module having a longitudinal optical axis including a matrix array of elementary light sources emitting from a common emission plane that is orthogonal to the optical axis, and a projecting lens for projecting the image of the elementary light sources. The projecting lens includes an object focal surface having a curvature defect. A field-correcting optical element is interposed between the emission plane and the projecting lens.

PRIMARY OPTICAL ELEMENT FOR MOTOR VEHICLE LIGHTING MODULE

A primary optical element for a motor vehicle lighting module that comprises a light introduction part provided with a plurality of primary optical means connected at output to a correcting part, the primary optical means being arranged on at least two levels in a first direction, as first and second distinct primary optical means. A plurality of first primary optical means are arranged in series in a second direction substantially perpendicular to the first direction. In one embodiment, a lighting module is disclosed for a motor vehicle headlight which comprises a plurality of light sources, such a primary optical element and an associated secondary optical element. 1. A primary optical element for a motor vehicle lighting module , comprising a light introduction part provided with a plurality of primary optical means connected at output to a correcting part , said plurality of primary optical means being arranged on at least two levels in a first direction , as a first primary optical means and a second primary optical means , a plurality of said first primary optical means being arranged in series in a second direction substantially perpendicular to said first direction.2. The primary optical element according to claim 1 , wherein said plurality of primary optical means have an output face connected to said correcting part and a light input face facing away from said correcting part.3. The primary optical element according to claim 2 , wherein said second primary optical means consists of a strip of material extending continuously in said second direction claim 2 , overhanging said first primary optical means.4. The primary optical element according to claim 3 , wherein said light input face of said second primary optical means has a plurality of convex shapes.5. The primary optical element according to claim 2 , wherein said second primary optical means consists of a succession of said second primary optical means claim 2 , each one comprising a junction part ...

LIGHT BEAM PROJECTION DEVICE PROVIDED WITH SUBMATRICES OF LIGHT SOURCES, LIGHTING AND HEADLIGHT MODULE PROVIDED WITH SUCH A DEVICE

An optical light beam projection device, notably for a motor vehicle, includes upstream in the direction of propagation of the light rays, a set of at least two associated submatrices each provided with primary light sources capable of emitting light rays. Downstream, a primary optical system is provided with a plurality of convergent optics, at least one convergent optic being associated with each submatrix and arranged downstream thereof, the separation between the optical axes of two adjacent convergent optics corresponds respectively to the separation between the centers of the corresponding adjacent submatrices. Another subject of the invention is an optical module comprising the device and a motor vehicle headlight. 1. An optical light beam projection device comprising:a plurality of submatrices, each of the submatrices including a set of primary light sources, which emit light rays that propagate in a first direction; anda primary optical system including a lens placed downstream of the set of primary light sources along the first direction, the lens having an input surface and an output surface, the input surface provided with a plurality of input dioptres, each of the plurality of input dioptres being placed in front of each of the submatrices, the output surface of the lens having a single output dioptre that is common to all of the submatrices, the plurality of input dioptres and the single output dioptre being made of an integral single piece of material.2. The optical light beam projection device according to claim 1 , wherein each of the plurality of input dioptres has a convex surface claim 1 , each convex surface being associated with each of the submatrices.3. The optical light beam projection device according to claim 1 , wherein the single output dioptre outputs the light rays from the plurality of input dioptres.4. The optical light beam projection device according to claim 1 , wherein the input dioptres are configured to form virtual images of ...

LIGHTING MODULE FORMING A LIGHT PATTERN DIVIDED INTO A SHARP UPPER PORTION AND A FUZZY LOWER PORTION

A lighting module for a motor vehicle headlight including at least one light source and optical elements for forming at least one light pattern, characterized in that each light pattern is divided into an upper portion and a lower portion which are lit simultaneously and inseparably, the upper portion being delimited transversely by two vertical edges for each of which the light intensity decreases according to a first determined gradient, and the lower portion being delimited transversely by two vertical edges for each of which the light intensity decreases according to a second determined gradient lower than the first determined gradient. 1: Lighting module for a motor vehicle headlight comprising at least one light source and optical elements for forming at least one light pattern ,wherein each light pattern is divided into an upper portion and a lower portion which are lit simultaneously and inseparably, the upper portion being delimited transversely by two vertical edges for each of which the light intensity decreases according to a first determined gradient, and the lower portion being delimited transversely by two vertical edges for each of which the light intensity decreases according to a second determined gradient lower than said first determined gradient.2: Lighting module according to claim 1 , wherein the first determined gradient is greater than 0.13 claim 1 , preferably greater than 0.30.3: Lighting module according to claim 1 , wherein the second determined gradient is less than 0.2 claim 1 , preferably less than 0.13.4: Lighting module according to claim 1 , wherein at least one vertical edge of the lower portion is arranged in the vertical extension of the vertical edge of the upper portion.5: Lighting module according to claim 4 , wherein the two vertical edges of the lower portion are arranged in the extension of each vertical edge of the upper portion.6: Lighting module according to claim 1 , wherein at least one vertical edge of the lower ...

PRIMARY OPTICAL ELEMENT, LIGHTING MODULE AND HEADLAMP FOR A MOTOR VEHICLE

A primary optical element for a motor vehicle lighting module, comprising a single monoblock input member and a corrective part, the input member having at least one input face intended to receive light, the input member being connected at output to the corrective part. The corrective part comprises a light output face, at least partly in the shape of a substantially spherical dome, the input member and the corrective part forming a monoblock structure, wherein a vertical profile of the input face of the input member has a convex first part and a second part that is planar or concave. 1. A primary optical element for a motor vehicle lighting module , comprising a single monoblock input member and a corrective part , said single monobock input member having at least one input face intended to receive light , said single monoblock input member being connected at output to said corrective part , said corrective part comprising a light output face , at least partly in the shape of a substantially spherical dome , said single monoblock input member and said corrective part forming a monoblock structure , wherein a vertical profile of said at least one input face of said single monoblock input member has a convex first part and a second part that is planar or concave.2. The primary optical element according to claim 1 , wherein said corrective part is substantially in the shape of a hemisphere.3. The primary optical element according to claim 1 , wherein said at least one input face has a rectilinear horizontal profile.4. The primary optical element according to claim 1 , wherein said single monoblock input member has a cylindrical shape having a generatrix and a directrix.5. The primary optical element according to claim 3 , wherein said single monoblock input member has a reflection upper face having a convex vertical profile.6. The primary optical element according to claim 1 , wherein said signal monoblock input member has a planar spreading lower face.7. The primary ...

LUMINOUS LIGHTING AND/OR SIGNALING MODULE OF AN AUTOMOTIVE VEHICLE

The invention relates to a luminous lighting and/or signaling module for an automotive vehicle, said module comprising first means arranged to produce a first cut-off beam and second means arranged to produce at least two selectively activatable luminous segments, the luminous segments forming a second beam that is complementary to the cut-off beam, when they are activated simultaneously. 1. A luminous lighting and/or signaling module of an automotive vehicle, said module comprising first means arranged to produce a first cut-off beam and second means arranged to produce at least two selectively activatable luminous segments, the luminous segments forming a second beam that is complementary to the cut-off beam, when they are activated simultaneously. This application is a continuation of U.S. application Ser. No. 14/867,293 filed Sep. 28, 2015, which claims priority to French Application No. 1459268 filed Sep. 30, 2014, the entire contents of each of which are incorporated by reference herein and made a part hereof.The invention relates to the field of lighting and/or signaling and especially automotive vehicle lighting and/or signaling. More particularly, the invention relates to a lighting and/or signaling module for an automotive vehicle.Automotive vehicles are equipped with headlamps, or headlights, intended to illuminate the road in front of the vehicle at night or in case of low visibility. These headlamps may generally be used in one of two lighting modes: a first “high beam” mode and a second “low beam” mode. The “high beam” mode allows the road far in front of the vehicle to be brightly lit. The “low beam” mode delivers more limited lighting of the road, but nevertheless provides a good visibility without dazzling other road users. These two lighting modes are complementary, and one or the other is selected depending on traffic conditions. The switch from one mode to the other may be activated manually, the driver deciding the moment at which the switch ...

LIGHTING MODULE FOR A MOTOR VEHICLE

A luminous module for an automotive vehicle, including at least one light source each associated with a light-entrance member of a primary optical component that is placed facing a projecting secondary optical component formed by a mirror. The module has three surfaces for treating the geometric aberration of the light rays, two of which are borne by the primary optical component. The exit face of the light-entrance member is placed in a plane coincident with an object focal plane of the projecting system formed by the primary and secondary optical components. 1. A primary optical component for an automotive-vehicle lighting module , of a type including at least one light-entrance member having a light-ray entrance face and a corrective portion having a light-ray exit face , wherein said at least one light-entrance member and said corrective portion form an integral structure bounded by at least three surfaces including an admission surface through which said light-entrance member opens onto said corrective portion via a zone of junction , at least one intermediate surface and an exit surface , said exit surface forming an exit face of said corrective portion and said at least one intermediate surface forming a reflective surface arranged to reflect rays issued from said at least one light-entrance member toward a convex surface.224. The primary optical component as claimed in claim 1 , wherein said zone of junction of said at least one light-entrance member is oriented toward said at least one intermediate surface ().3. The primary optical component as claimed in claim 1 , wherein said exit surface of said corrective portion has a convex shape.4. The primary optical component as claimed in claim 1 , wherein said exit surface of said corrective portion has a spherical claim 1 , shape on the whole and a center of which is located outside of said corrective portion.5. The primary optical component as claimed claim 4 , wherein said center of said spherical shape of ...

LIGHT DEVICE CAPABLE OF GENERATING A SOURCE WITH FINE PIXELS

A light module, notably of a vehicle, including a semiconductor light source including a plurality of light-emitting units of submillimetric dimensions distributed in different selectively activatable light zones, at least one optic, capable of receiving the light rays emitted by the selectively activatable light zones and of deflecting them out of the light module, the shaping optic being arranged in such a way as to form an image of the light source including a plurality of pixels, the light source and the optic being arranged in such a way that these pixels exhibit an angular aperture of at most 0.4° in at least one given direction. 1. Light module comprising:a semiconductor light source comprising a plurality of light-emitting units of submillimetric dimensions, the units being distributed in different selectively activatable light zones,at least one shaping optic, capable of receiving the light rays emitted by said light zones and of deflecting them out of the light module, the shaping optic being arranged in such a way as to form an image of the light source comprising a plurality of pixels,the light source being configured and the shaping optic being arranged in such a way that at least a part of these pixels exhibit an angular aperture of at most 1° in at least one given direction.2. Light module according to claim 1 , wherein the light source and the shaping optic are arranged in such a way that each pixel is an image of one of said selectively activatable light zones.3. Light module according to claim 1 , wherein the selectively activatable light zones have a size less than or equal to 350 micrometers.4. Light module according to claim 3 , wherein the zones the selectively activatable light zones have a size less than or equal to 100 micrometers.5. Light module according to claim 1 , wherein the selectively activatable light zones are arranged in such a way that the image of the light source comprises a central zone and at least one off-center zone between ...

SYSTEM OF LENSES FOR PROJECTING AT LEAST ONE LIGHT SOURCE

A system of lenses for projecting at least one light source includes from the source and in the direction of propagation of the light, at least one first group of optical elements made up of at least one first convergent lens called primary lens, in contact with said light source, obtained from a material exhibiting a high constringence and exhibiting a ratio between its thickness along the optical axis and its width greater than 0.5. Also included in said direction of propagation is a second group of optical elements made up of at least one divergent lens obtained from a material exhibiting a low constringence, a pupil, and a third group of optical elements made up of a reflector or of at least one convergent lens obtained from a material exhibiting a high constringence. 1. System of lenses for projecting at least one light source comprising , from said source and in the direction of propagation of the light , at least one first group of optical elements made up of at least one first convergent lens , called primary lens , in contact with said light source , obtained from a material exhibiting a high constringence and exhibiting a ratio between its thickness along the optical axis and its width greater than 0.5 , a second group of optical elements made up of at least one divergent lens obtained from a material exhibiting a low constringence , a pupil and a third group of optical elements made up of at least one convergent reflector or of at least one convergent lens obtained from a material exhibiting a high constringence.2. System of lenses according to claim 1 , wherein the first claim 1 , primary convergent lens is of hemispherical form and exhibits a discrepancy to a sphere less than 10% of the thickness and claim 1 , preferably claim 1 , a discrepancy to a sphere less than 3% of the thickness.3. System of lenses according to claim 1 , wherein the first group of optical elements comprises a second lens comprising at least one aspherical diopter.4. System of ...

LIGHTING SYSTEM FOR MOTOR VEHICLES

A motor-vehicle lighting system including a device for projecting a low beam into a projection zone, wherein the projecting device is configured so that the low beam includes a zone of lesser illumination located in the interior of the projection zone. A preferred application is the field of lighting equipment for motor vehicles. 1. A motor-vehicle lighting system including a device for projecting a low beam into a projection zone , wherein the projecting device is configured so that the low beam comprises a zone of lesser illumination located in the interior of the projection zone.2. The lighting system as claimed in claim 1 , wherein the zone of lesser illumination comprises an upper limit that is angularly offset with respect to an upper limit of the low beam by an angular value of at least 5° with respect to the point of emission of the low beam.3. The system as claimed in claim 1 , comprising a device for projecting an additional beam formed from pixelized rays and configured to illuminate a zone that at least partially covers the zone of lesser illumination.4. The system as claimed in claim 3 , wherein the additional beam is configured to produce the outline of at least one pictogram.5. The system as claimed in claim 3 , wherein the zone of lesser illumination is entirely covered by the additional beam.6. The system as claimed in claim 3 , wherein the device for projecting an additional beam comprises a micromirror-array system.7. The system as claimed in claim 1 , wherein the zone of lesser illumination is symmetric with respect to a vertical plane passing through the optical axis of the device for projecting the low beam.8. The system as claimed in claim 1 , wherein the zone of lesser illumination covers an angular sector of less than 10° in horizontal cross section.9. The system as claimed in claim 1 , wherein the average luminance in the zone of lesser illumination is lower by at least 70% claim 1 , preferably at least 80% claim 1 , more preferably at ...

LIGHT BEAM PROJECTION DEVICE PROVIDED WITH SUBMATRICES OF LIGHT SOURCES, LIGHTING AND HEADLIGHT MODULE PROVIDED WITH SUCH A DEVICE

An optical light beam projection device, notably for a motor vehicle, includes upstream in the direction of propagation of the light rays, a set of at least two associated submatrices each provided with primary light sources capable of emitting light rays. Downstream, a primary optical system is provided with a plurality of convergent optics, at least one convergent optic being associated with each submatrix and arranged downstream thereof, the separation between the optical axes of two adjacent convergent optics corresponds respectively to the separation between the centers of the corresponding adjacent submatrices. Another subject of the invention is an optical module comprising the device and a motor vehicle headlight. 1. Optical light beam projection device , notably for a motor vehicle , wherein the optical device comprises , upstream in the direction of propagation of the light rays , a set of at least two associated submatrices each provided with primary light sources capable of emitting light rays , and , downstream , a primary optical system provided with a plurality of convergent optics , at least one convergent optic being associated with each submatrix and arranged downstream thereof , the separation between the optical axes of two adjacent convergent optics corresponds respectively to the separation between the centers of the corresponding adjacent submatrices.2. Device according to claim 1 , wherein said optics are configured to form virtual images of the submatrices claim 1 , the virtual images being formed upstream of the submatrices of primary sources claim 1 , such that the dimensions of the virtual images are greater than the dimensions of the submatrices.3. Device according to wherein the primary optical system is arranged such that the virtual images of the submatrices are substantially adjacent to form a uniform light distribution.4. Device according to claim 1 , wherein the primary optical system is configured to form the virtual images in a ...

Light beam projection device provided with a matrix of light sources, lighting and headlight module provided with such a device

The invention relates to an optical light beam projection device, notably for a motor vehicle, characterized in that it comprises, upstream in the direction of propagation of the light rays, a matrix of primary light sources capable of emitting light rays, and downstream, a primary optical system provided with a plurality of convergent optics configured to form virtual images of the primary light sources, the virtual images being formed upstream of the matrix of primary sources, such that the dimensions of the virtual images are greater than the dimensions of the primary light sources. Another subject of the invention is an optical module comprising the device and a motor vehicle headlight.

COMMUNICATION DEVICE, NOTABLY FOR MOTOR VEHICLES

A communication device, notably for motor vehicles, including a transmission system equipped with a light source designed to emit an initial light beam, the transmission system being configured for generating a first light beam polarized in a first direction starting from the initial light beam, the transmission system furthermore including a modulator of the direction of polarization of the first polarized light beam in such a manner as to transmit information, the device furthermore including a receiver system configured for detecting the first polarized light beam when it is polarized in the first direction and for transmitting the information. 1. Communication device , for motor vehicles , comprising a transmission system equipped with a light source designed to emit an initial light beam , the transmission system being configured for generating a first light beam polarized in a first direction starting from the initial light beam , the transmission system furthermore comprising a modulator of the direction of polarization of the first polarized light beam in such a manner as to transmit information , the device furthermore comprising a receiver system configured for detecting the said first polarized light beam when it is polarized in said first direction and for transmitting the said information.2. Communication device according to claim 1 , wherein the modulator comprises a screen capable of modulating the polarization of the first polarized light beam between the first direction of polarization and a second direction of polarization.3. Communication device according to claim 2 , wherein the first and the second direction of polarization are orthogonal.4. Communication device according to claim 2 , wherein the modulator comprises a liquid crystal screen switchable between a first configuration wherein the first polarized light beam is transmitted in the first direction of polarization claim 2 , and a second configuration wherein the first polarized light beam ...

Light module comprising a primary optical element equipped with two forming layers

A light module of a motor vehicle including: a first transverse row of light sources; a first one-piece primary optical element which has a first forming layer; a bifocal imaging device which is designed to project an image of each light source; characterized in that the light module includes a second transverse row of light sources, the first primary optical element including a second one-piece forming layer which is associated with the second row.

LIGHT-BEAM-PROJECTING DEVICE COMPRISING A DIGITAL SCREEN AND HEADLAMP EQUIPPED WITH SUCH A DEVICE

An automotive vehicle light beam projection device, including at least one light source able to emit light rays, an optical projection system with an exit pupil situated on an optical exit element, which optical system is able to project a light beam, wherein the light beam includes a digital screen configured to direct at least one part of the incident light rays emitted by at least one source toward the optical projection system, the device furthermore including means for focusing the light rays emitted by the at least one light source on a zone of the digital screen, and an intermediate assembly for projecting the light rays originating from the digital screen which are configured to illuminate the surface area of the exit pupil. 1. An automotive vehicle light beam projection device , comprising at least one light source able to emit light rays , an optical projection system with an exit pupil situated on an optical exit element , which optical system is able to project a light beam , wherein the light beam comprises a digital screen configured to direct at least one part of the incident light rays emitted by at least one source toward said optical projection system , the device furthermore comprising means for focusing the light rays emitted by the at least one light source on a zone of the digital screen , and an intermediate assembly for projecting the light rays originating from the digital screen which are configured to illuminate the surface area of the exit pupil.2. The device as claimed in claim 1 , wherein the focusing means comprise a reflector claim 1 , the light source being disposed at a first optical focus of said reflector and the digital screen being disposed at a second optical focus of said reflector.3. The device as claimed in claim 1 , wherein the intermediate projection assembly is configured to project the light rays originating from the digital screen so as to illuminate substantially the whole surface area of the exit pupil.4. The device ...

LIGHT BEAM PROJECTION DEVICE WITH MECHANICAL ACTUATOR, OPTICAL MODULE AND HEADLAMP PROVIDED WITH SUCH A DEVICE

A device for projecting a light beam and having a mechanical actuator, notably for a motor vehicle, including an array of light sources able to emit light rays in order to form the light beam along an optical axis, each light source defining a component of the light beam which has an angle of resolution defined in a plane, the device including moreover a mechanical actuator configured for displacing at least one element of the device in such a way that the optical axis of the light beam is moved between at least two projection directions at a specified frequency of displacement, the projection directions forming between them an angle of displacement substantially coplanar with the angle of resolution, the angle of displacement being equal to a fraction of the angle of resolution of the beam. 1. Device for projecting a light beam and having a mechanical actuator , notably for a motor vehicle , comprising an array of light sources able to emit light rays in order to form the light beam along an optical axis , each light source defining a component of the light beam which has an angle of resolution defined in a plane , wherein the device comprises moreover a mechanical actuator configured for displacing at least one element of the device in such a way that the optical axis of the light beam is moved between at least two projection directions according to a displacement oscillating periodically at a specified frequency of displacement , the projection directions forming between them an angle of displacement substantially coplanar with the angle of resolution , the angle of displacement being equal to a fraction of the angle of resolution of the beam.2. Device according to claim 1 , wherein the angle of displacement is substantially equal to half of the angle of resolution.3. Device according to claim 1 , wherein the mechanical actuator is configured for moving the element in such a way that the frequency of displacement of the optical axis is a frequency that is not ...

LIGHTING SYSTEM WITH OPTIMISED INTENSITY PROFILE FOR MOTOR VEHICLE HEADLIGHT

A lighting system for a motor vehicle, which is intended for emitting a light beam. The beam comprises at least two illuminated areas, each generated by at least one light source, and optical means arranged to form a light spot from the light emitted by the light source, each spot being in the general shape of a rectangular strip of light. The system also includes at least two types of light source, referred to as first and second types of light source, the light sources of the same type having substantially the same luminance. The luminance of a light source of the first type is two to ten times higher than that of a light source of the second type. 1. A motor vehicle lighting system for emitting a light beam comprising at least two illuminated zones each generated by at least one light source and optical means adapted to form a light spot from the light emitted by the light source , each spot having the general shape of a strip of light , notably of rectangular general shape ,wherein the system includes at least two types of light source, termed first and second light source types, the light sources of the same type having substantially the same brightness, andthe brightness of a light source of the first type being 2 to 10 times greater than that of a light source of the second type.2. The lighting system as according to claim 1 , wherein the brightness of a light source of the first type is 3 to 5 times greater than that of a light source of the second type.3. The lighting system according to claim 1 , wherein the light spots are all of substantially identical shape and substantially parallel to a common principal direction.4. The lighting system according to claim 3 , wherein the light spots are partly superposed.5. The lighting system according to claim 4 , wherein two consecutive light spots of the light beam are superposed over half the width of the light spots.6. The lighting system according to claim 3 , wherein the beam includes at least one zone in which ...

LIGHTING MODULE FOR A DEVICE FOR LIGHTING IN LIGHT SEGMENTS OF A MOTOR VEHICLE HEADLIGHT

The invention relates to a lighting module for a headlight for lighting in light segments of a motor vehicle, as well as to a headlight comprising modules in accordance with the invention. The modules according to the invention are characterized in that they allow the creation of headlights that have a continuous external projection surface and implement a lighting function in segments, such as in strips, through the juxtaposition of identical modules. 3: The lighting module according to claim 1 , wherein the exit diopter of the projection lens has in the normal mounting direction in a horizontal plane a convex curvature with a radius of curvature R greater than 200 mm and preferably between 400 and 1200 mm inclusive.4: The lighting module according to claim 1 , wherein the projection lens includes in the normal mounting direction in a horizontal plane an entry diopter with at least one part having a convex profile claim 1 , the convexity or convexities being generally aligned to the positions of the optical axes of the primary optical elements of the module.5: The lighting module according to claim 1 , wherein an intermediate lens for each primary optical element is disposed between the exit diopter of the primary optical element and the projection lens claim 1 , the intermediate lens being configured to concentrate the radiation from the exit diopter of the corresponding primary optical element on the projection lens.6: The lighting module according to claim 1 , wherein the pixel forming structures include at least one light guide and/or cushions.7: The lighting module according to claim 1 , wherein the light source or sources include(s) at least one light-emitting diode (LED) and/or one laser diode.8: The lighting module according to claim 1 , wherein the module includes lateral positioning means intended to juxtapose two identical modules horizontally in the normal mounting direction so that the exit diopters of the modules form a continuous surface.9: The ...

CONTROLLED CAUSTIC GENERATOR SURFACE LIGHTING DEVICE FORMING A PATTERN ON A TARGET SURFACE

The present invention relates to a vehicle turn indicator luminous device () comprising: 2. Luminous device according to claim 1 , in which the given distribution is substantially such that for any plane transverse to the propagation direction claim 1 , at a given point of that plane claim 1 , the ray or rays (r claim 1 , r claim 1 , r) incident at this point come from a single direction.3. Luminous device according to claim 1 , in which the given distribution corresponds to that of a light-emitting diode.43. Luminous device according to claim 1 , in which the luminous device comprises the beam generator () of rays (r claim 1 , r claim 1 , r) in accordance with the given distribution.51212. Luminous device according to claim 1 , in which the generator surface comprises at least one smooth portion the surface of which represents the majority of the generator surface (; ′) claim 1 , the passage from one local variation to the other being smooth inside this smooth portion.612. Luminous device according to claim 5 , in which all of the generator surface () is smooth claim 5 , the passage from one local variation to the other being smooth.71818. Luminous device according to claim 6 , in which the passage between certain local variations is formed by an edge ( claim 6 , ′).8345. Luminous device according to claim 7 , in which the beam generator () comprises a light-emitting diode ( claim 7 ,).9367. Luminous device according to claim 8 , in which the beam generator () comprises a light source () and an optic () adapted with the light source to generate a beam of substantially parallel rays (r claim 8 , r claim 8 , r).101012. Luminous device according to claim 9 , in which the optical element (′) comprises a reflecting surface at least one portion of which is formed by the generator surface (′).1110. Luminous device according to in which the optical element (′) is a mask.12. Luminous device according to claim 1 , comprising a housing and an outer lens closing the housing ...

Optical communication system for vehicles

L'invention concerne un dispositif de communication, notamment pour véhicules automobiles, comprenant un système d'émission (1,) muni d'une source lumineuse (2) apte à émettre un faisceau de lumière initial (3), le système d'émission (1) étant configuré pour générer un premier faisceau de lumière polarisée (4) selon une première direction (7) à partir du faisceau de lumière initial (3), le système d'émission (1) comportant en outre un modulateur (11) de la direction de polarisation du premier faisceau de lumière polarisée (4) de manière à transmettre des informations, le dispositif comprenant en outre un système de réception configuré pour détecter ledit premier faisceau de lumière polarisée (4) lorsqu'il est polarisé selon ladite première direction (7) et à transmettre lesdites informations. The invention relates to a communication device, particularly for motor vehicles, comprising a transmission system (1,) provided with a light source (2) capable of emitting an initial light beam (3), the transmission system (1) being configured to generate a first polarized light beam (4) in a first direction (7) from the initial light beam (3), the transmission system (1) further comprising a modulator (11) the polarization direction of the first polarized light beam (4) to transmit information, the device further comprising a reception system configured to detect said first polarized light beam (4) when polarized according to said first direction (7) and to transmit said information.

Communication device, notably for motor vehicles

A communication device, notably for motor vehicles, including a transmission system equipped with a light source designed to emit an initial light beam, the transmission system being configured for generating a first light beam polarized in a first direction starting from the initial light beam, the transmission system furthermore including a modulator of the direction of polarization of the first polarized light beam in such a manner as to transmit information, the device furthermore including a receiver system configured for detecting the first polarized light beam when it is polarized in the first direction and for transmitting the information.

LIGHTING DEVICE EMITTING A DIRECTIONAL CROSSING BEAM AND METHOD OF CONTROLLING THE SAME

L'invention concerne un dispositif (12) d'éclairage émettant un faisceau (14) de croisement directionnel comportant : - des moyens (16) d'émission d'un premier faisceau (18) à coupure, la coupure (22) présentant une première ligne (22A) horizontale inférieure et un coude (22B) montant agencé de manière fixe à proximité de l'axe optique pour éclairer une zone (24) supérieure au-dessus d'un axe (H-H) horizontal passant par ladite première ligne (22A) vers le bas-côté de la route ; - des moyens (26) d'émission d'un deuxième faisceau (28) dynamique qui éclaire une zone située à cheval sur l'axe (H-H) horizontal, le faisceau dynamique étant divisé horizontalement en plusieurs segments (28A à 28P) dont chacun est susceptibles d'être activés sélectivement ; caractérisé en ce que plusieurs segments (28I à 28P) du faisceau (28) dynamique sont superposés avec la zone (24) supérieure du faisceau (18) à coupure. L'invention concerne aussi un procédé de commande du dispositif (12). The invention relates to a lighting device (12) emitting a directional crossing beam (14) comprising: - means (16) for transmitting a first cut-off beam (18), the cut-off (22) having a first horizontal lower line (22A) and a rising elbow (22B) fixedly arranged near the optical axis to illuminate an upper zone (24) above a horizontal axis (HH) passing through said first line ( 22A) to the side of the road; means (26) for emitting a second dynamic beam (28) which illuminates an area lying astride the horizontal axis (HH), the dynamic beam being divided horizontally into a plurality of segments (28A to 28P), each of which is likely to be activated selectively; characterized in that a plurality of segments (28I to 28P) of the dynamic beam (28) are superimposed with the upper region (24) of the cutoff beam (18). The invention also relates to a method of controlling the device (12).

LUMINOUS DEVICE CAPABLE OF GENERATING A FINE PIXEL SOURCE

La présente invention se rapporte un module lumineux (M), notamment de véhicule, comprenant : - une source lumineuse (S) à semi-conducteur comprenant une pluralité d'unités électroluminescentes de dimensions submillimétriques répartis dans différentes zones lumineuses activables sélectivement activables sélectivement, - au moins une optique (O), apte à recevoir les rayons lumineux émis par lesdites zones lumineuses activables sélectivement et à les dévier hors du module lumineux, l'optique de mise en forme étant agencée de manière à former une image (I) de la source lumineuse comprenant une pluralité de pixels (p), la source lumineuse (S) et l'optique (0) étant agencées de manière à ce que ces pixels (p) présentent une ouverture angulaire (α) d'au plus 0,4° dans au moins une direction donnée. The present invention relates to a light module (M), in particular for a vehicle, comprising: - a semiconductor light source (S) comprising a plurality of light-emitting units of sub-millimeter dimensions distributed in different selectively activatable light zones that can be selectively activated, - at least one lens (O), able to receive the light rays emitted by said selectively activatable light zones and to deflect them out of the light module, the shaping lens being arranged so as to form an image (I) of the light source comprising a plurality of pixels (p), the light source (S) and the optics (0) being arranged such that these pixels (p) have an angular aperture (α) of at most 0.4 ° in at least one given direction.

SEGMENTED LIGHT BEAM DELIVERING LIGHTING FUNCTIONS

Dispositif lumineux de véhicule automobile configuré pour la projection d'un faisceau lumineux segmenté, le dispositif étant orienté selon un axe optique et comprenant : - un système optique de projection ; - une source lumineuse segmentée comprenant des secteurs lumineux et coopérant avec le système optique pour former un faisceau lumineux segmenté ; dans lequel la distribution lumineuse du faisceau lumineux segmenté comprend au moins six segments lumineux qui sont répartis sur au moins deux rangées et au plus trois rangées, les rangées étant parallèles par rapport à l'axe horizontal (XX') et situées dans une première zone comprise entre -1°D et 1°U par rapport à l'axe horizontal (XX'), bornes incluses, une hauteur des rangées de segments lumineux étant comprise entre 0,2° et 1°, bornes incluses. A motor vehicle light device configured for projecting a segmented light beam, the device being oriented along an optical axis and comprising: - an optical projection system; a segmented light source comprising light sectors and cooperating with the optical system to form a segmented light beam; wherein the light distribution of the segmented light beam comprises at least six light segments which are distributed over at least two rows and at most three rows, the rows being parallel to the horizontal axis (XX ') and located in a first area between -1 ° D and 1 ° U relative to the horizontal axis (XX '), including terminals, a height of the rows of light segments being between 0.2 ° and 1 ° inclusive.

LENS, OPTICAL MODULE AND LIGHTING AND / OR SIGNALING DEVICE FOR MOTOR VEHICLE

L'invention concerne un module optique (400) pour dispositif d'éclairage et/ou de signalisation, comportant au moins une source lumineuse générant un faisceau lumineux, au moins un moyen de coupure du faisceau lumineux, le ou les moyen(s) de coupure étant agencé(s) pour générer au moins une coupure basse et une coupure latérale du faisceau lumineux issu de la source lumineuse et une première et une seconde surfaces optiquement actives placées successivement le long du chemin du faisceau lumineux après le moyen de coupure caractérisé en ce que la première surface optiquement active comporte au moins une première série de motifs qui s'étendent selon une première direction et la deuxième surface optiquement active comporte au moins une deuxième série de motifs qui s'étendent selon une deuxième direction, lesdites première et deuxième directions étant sensiblement perpendiculaires. Lentille pour ce module optique et dispositif d'éclairage et/ou de signalisation de véhicule automobile. The invention relates to an optical module (400) for a lighting and / or signaling device, comprising at least one light source generating a light beam, at least one means for breaking the light beam, the means (s) for cut-off being arranged to generate at least one low cut and one lateral cut-off of the light beam coming from the light source and a first and second optically active surface successively placed along the path of the light beam after the breaking means characterized by the first optically active surface comprises at least a first series of patterns which extend in a first direction and the second optically active surface comprises at least a second series of patterns which extend in a second direction, said first and second directions being substantially perpendicular. Lens for this optical module and lighting and / or signaling device for a motor vehicle.

OPTICAL PROJECTION SYSTEM, LUMINOUS MODULE AND LIGHTING DEVICE FOR A MOTOR VEHICLE HAVING SUCH A SYSTEM

Système optique de projection (2), comportant une pluralité de lentille, recevant un rayonnement lumineux incident et assurant la collimation dudit rayonnement. La pluralité de lentilles comporte : - un premier groupe (21) de dioptres optiques, recevant le rayonnement incident, comportant au moins une surface convexe (221) portée par au moins une lentille (L1), assurant au moins une partie de ladite focalisation ; - un deuxième groupe (22) de dioptres optiques, recevant le rayonnement issu du premier groupe, comportant au moins une surface concave (222) portée par au moins une lentille (L3), assurant la correction des aberrations de chromatisme ; - un troisième groupe (23) de dioptres optiques, recevant le rayonnement issu du deuxième groupe, comportant au moins deux surfaces convexes 231, 232) et formant au moins une lentille (L4), assurant au moins une partie de ladite focalisation pour former une image. An optical projection system (2) comprising a plurality of lenses, receiving incident light radiation and collimating said radiation. The plurality of lenses comprises: - a first group (21) of optical diopters, receiving the incident radiation, comprising at least one convex surface (221) carried by at least one lens (L1), providing at least a part of said focusing; a second group (22) of optical diopters, receiving the radiation coming from the first group, comprising at least one concave surface (222) carried by at least one lens (L3), ensuring the correction of chromatic aberrations; a third group (23) of optical diopters, receiving the radiation coming from the second group, comprising at least two convex surfaces 231, 232) and forming at least one lens (L4), ensuring at least a part of said focusing to form a picture.

SYSTEM FOR PROJECTION LENSES OF AT LEAST ONE LIGHT SOURCE

LUMINOUS MODULE FOR LIGHTING AND / OR SIGNALING OF A MOTOR VEHICLE

L'invention a pour objet un module lumineux pour l'éclairage et/ou la signalisation d'un véhicule automobile, comportant des premiers moyens (1) générateurs d'un premier faisceau (F1) à coupure pour former un feu de croisement et des deuxièmes moyens (2) générateurs d'au moins deux segments lumineux (30) activables sélectivement et formant un deuxième faisceau (F2) complémentaire au premier faisceau (F1) à coupure lorsqu'ils sont activés simultanément, pour former un feu de route. Les deuxièmes moyens (2) comprennent au moins un guide optique (10) intégrant une paroi de coupure (20) pourvue d'une face réfléchissante (19) disposée en regard des premiers moyens (1). Ladite face réfléchissante (19) forme un cache (8) réalisant au moins une partie de la coupure du premier faisceau (F1).

LIGHTING DEVICE EMITTING A LIGHT BEAM WITH SEGMENTS

L'invention concerne un dispositif d'éclairage (12) pour véhicule automobile (10) apte à produire un faisceau global d'éclairage (14) qui comporte plusieurs faisceaux partiels (28) dont chacun éclaire un segment principal (S1, S2, S2', S3, S3' et S4, S4') fixe par rapport au véhicule (10), deux segments principaux (S1, S2, S2', S3, S3' et S4, S4') adjacent se chevauchant partiellement, caractérisé en ce qu'il comporte au moins un faisceau lumineux additionnel (26) qui éclaire un segment additionnel (S5) fixe par rapport au véhicule (10), le faisceau lumineux additionnel (26) convergeant avec un faisceau lumineux partiel (28) associé pour que le segment additionnel (S5) fixe soit strictement inclus dans un segment principal (S1) associé, le segment additionnel (S5) fixe présentant une dimension transversale strictement inférieure audit à celle du segment principal (S1) associé.

SECURED LIGHTING MODULE WITH LASER LIGHT SOURCE

"LIGHTING MODULE FORMING A LUMINOUS PATTERN DIVIDED INTO A CLEAR UPPER PORTION AND A BLURRED LOWER PORTION"

L'invention concerne un module d'éclairage (19) pour projecteur (12) de véhicule automobile comportant au moins une source lumineuse (28) et des éléments optiques (26) pour former au moins un motif lumineux (18), caractérisé en ce que chaque motif lumineux (18) est divisé en une portion supérieure (18A) et une portion inférieure (18B) qui sont éclairées de manière simultanée et indissociable, la portion supérieure (18A) étant délimitée transversalement par deux bords verticaux nets (20A, 20B) pour chacun desquels l'intensité lumineuse diminue selon un premier gradient (G1) déterminé, et la portion inférieure (18B) étant délimitée transversalement par deux bords verticaux flous (22A, 22B) pour chacun desquels l'intensité lumineuse diminue selon un deuxième gradient (G2) déterminé inférieur audit premier gradient (G1) déterminé. The invention relates to a lighting module (19) for a motor vehicle headlight (12) comprising at least one light source (28) and optical elements (26) for forming at least one light pattern (18), characterized in that that each light pattern (18) is divided into an upper portion (18A) and a lower portion (18B) which are illuminated simultaneously and inseparably, the upper portion (18A) being delimited transversely by two sharp vertical edges (20A, 20B ) for each of which the light intensity decreases according to a first determined gradient (G1), and the lower portion (18B) being delimited transversely by two vertical blurred edges (22A, 22B) for each of which the light intensity decreases according to a second gradient (G2) determined lower than said first gradient (G1) determined.

LIGHTING MODULE OF A MOTOR VEHICLE

L'invention concerne un module lumineux d'un véhicule automobile, comportant au moins une source de lumière (1) associée chacune à un organe d'entrée de lumière (8) d'un élément optique primaire (2) qui est disposé en regard d'un élément optique secondaire de projection (4) formé par un miroir. Le module présente trois surfaces de traitement d'aberration géométrique des rayons lumineux dont deux sont portés par l'élément optique primaire (2). La face de sortie (12) de l'organe d'entrée est disposée dans un plan confondu avec un plan focal (5) objet du système de projection formé par les éléments optiques primaire et secondaire. The invention relates to a light module of a motor vehicle, comprising at least one light source (1) each associated with a light input member (8) of a primary optical element (2) which is arranged opposite a secondary projection optical element (4) formed by a mirror. The module has three surfaces for processing geometric aberration of light rays, two of which are carried by the primary optical element (2). The output face (12) of the input member is arranged in a plane coincident with a focal plane (5) object of the projection system formed by the primary and secondary optical elements.

LIGHTING DEVICE FOR A MOTOR VEHICLE HAVING A LIGHT GUIDE

L'invention concerne un module optique (10) d'éclairage ou pour véhicule automobile comportant un élément (24) optique primaire comportant au moins un premier guide (26A) de lumière comportant : - une face (28A) d'entrée de rayons lumineux émis par une source (18) lumineuse associée, la source (18) lumineuse étant agencée à proximité d'un bord supérieur de la face d'entrée ; - une face (30A) d'extrémité avant de sortie de rayons lumineux ; - une face (40) supérieure globalement longitudinale de guidage des rayons lumineux qui relie la face (28A) d'entrée avec la face (30A) de sortie, la face (40) supérieure présentant en section longitudinale, au moins un tronçon (42) concave ; caractérisé en ce que la face (40) supérieure de guidage présente, en section longitudinale, un tronçon (50) convexe tournée vers le bas qui est agencée entre le tronçon (42) concave et la face (28A) d'entrée. The invention relates to an optical module (10) lighting or for a motor vehicle comprising a primary optical element (24) comprising at least a first guide (26A) of light comprising: - a face (28A) input light rays emitted by an associated light source (18), the light source (18) being arranged near an upper edge of the input face; - a front end face (30A) of light ray output; - a generally longitudinal upper face (40) for guiding the light rays which connects the input face (28A) with the output face (30A), the upper face (40) having in longitudinal section, at least one section (42); ) concave; characterized in that the upper guide face (40) has, in longitudinal section, a downwardly convex section (50) which is arranged between the concave section (42) and the inlet face (28A).

COMMUNICATION DEVICE, IN PARTICULAR FOR MOTOR VEHICLES

L'invention concerne un dispositif de communication, notamment pour véhicules automobiles, comprenant un système d'émission (1,) muni d'une source lumineuse (2) apte à émettre un faisceau de lumière initial (3), le système d'émission (1) étant configuré pour générer un premier faisceau de lumière polarisée (4) selon une première direction (7) à partir du faisceau de lumière initial (3), le système d'émission (1) comportant en outre un modulateur (11) de la direction de polarisation du premier faisceau de lumière polarisée (4) de manière à transmettre des informations, le dispositif comprenant en outre un système de réception configuré pour détecter ledit premier faisceau de lumière polarisée (4) lorsqu'il est polarisé selon ladite première direction (7) et à transmettre lesdites informations. The invention relates to a communication device, particularly for motor vehicles, comprising a transmission system (1,) provided with a light source (2) capable of emitting an initial light beam (3), the transmission system (1) being configured to generate a first polarized light beam (4) in a first direction (7) from the initial light beam (3), the transmission system (1) further comprising a modulator (11) the polarization direction of the first polarized light beam (4) to transmit information, the device further comprising a reception system configured to detect said first polarized light beam (4) when polarized according to said first direction (7) and to transmit said information.

ILLUMINATED LIGHT-SOURCE LIGHTING MODULE FOR IMPLEMENTING AN ADB FUNCTION

L'invention concerne un Module d'éclairage 1 pour projecteur de véhicule automobile apte à générer un faisceau lumineux 7 d'axe optique 2, comprenant au moins une première source lumineuse 8 et une deuxième source lumineuse 9 espacées l'une de l'autre par une distance D, lesdites sources lumineuses 8, 9 étant aptes à générer chacune une bande lumineuse 5, 6 espacée l'une de l'autre par une bande non éclairée 11 par le module d'éclairage, lesdites sources lumineuses 8, 9 étant définies par une même dimension L mesurée perpendiculairement à l'axe optique 2, caractérisé par le fait que la distance D entre deux sources lumineuses 8, 9 immédiatement adjacentes est strictement supérieure à N*L et strictement inférieure à (N+1)*L, N étant un nombre entier. L'invention concerne également un projecteur incorporant une pluralité de tels modules d'éclairage, et un système d'éclairage comprenant deux projecteurs. Application aux véhicules automobiles. The invention relates to a lighting module 1 for a motor vehicle headlamp capable of generating a light beam 7 of optical axis 2, comprising at least a first light source 8 and a second light source 9 spaced apart from each other by a distance D, said light sources 8, 9 each being capable of generating a light strip 5, 6 spaced apart from each other by an unlit strip 11 by the lighting module, said light sources 8, 9 being defined by the same dimension L measured perpendicularly to the optical axis 2, characterized in that the distance D between two immediately adjacent light sources 8, 9 is strictly greater than N * L and strictly less than (N + 1) * L , N being an integer. The invention also relates to a projector incorporating a plurality of such lighting modules, and a lighting system comprising two projectors. Application to motor vehicles.

LIGHT BEAM PROJECTION DEVICE WITH LIGHT SOURCE SUBMATHES, LIGHTING MODULE AND PROJECTOR PROVIDED WITH SUCH A DEVICE

L'invention concerne un dispositif optique de projection de faisceau lumineux, notamment pour véhicule automobile, caractérisé en ce qu'il comprend en amont selon le sens de propagation des rayons lumineux, un ensemble d'au moins deux sous-matrices (20) associées munies chacune de sources primaires (8) de lumière aptes à émettre des rayons lumineux, et en aval un système optique primaire (4) muni d'une pluralité d'optiques convergentes, au moins une optique convergente étant associée à chaque sous-matrice (20) et disposée en aval de celle-ci, l'écartement entre les axes optiques de deux optiques convergentes adjacentes correspond respectivement à l'écartement entre les centres des sous-matrices adjacentes correspondantes. L'invention a également pour objet un module optique comprenant ledit dispositif et un projecteur de véhicule automobile. The invention relates to an optical device for projecting a light beam, in particular for a motor vehicle, characterized in that it comprises, upstream in the direction of propagation of the light rays, a set of at least two associated sub-matrices (20). each provided with primary sources (8) of light capable of emitting light rays, and downstream a primary optical system (4) provided with a plurality of convergent optics, at least one convergent optics being associated with each sub-array ( 20) and disposed downstream thereof, the spacing between the optical axes of two adjacent convergent optics corresponds respectively to the spacing between the centers of the corresponding adjacent sub-matrices. The invention also relates to an optical module comprising said device and a motor vehicle headlamp.

COMMUNICATION DEVICE, ESPECIALLY FOR MOTOR VEHICLES

L'invention concerne un dispositif de communication, notamment pour véhicules automobiles, comprenant un système d'émission (1,) muni d'une source lumineuse (2) apte à émettre un faisceau de lumière initial (3), le système d'émission (1) étant configuré pour générer un premier faisceau de lumière polarisée (4) selon une première direction (7) à partir du faisceau de lumière initial (3), le système d'émission (1) comportant en outre un modulateur (11) de la direction de polarisation du premier faisceau de lumière polarisée (4) de manière à transmettre des informations, le dispositif comprenant en outre un système de réception configuré pour détecter ledit premier faisceau de lumière polarisée (4) lorsqu'il est polarisé selon ladite première direction (7) et à transmettre lesdites informations. The invention relates to a communication device, in particular for motor vehicles, comprising an emission system (1,) provided with a light source (2) capable of emitting an initial light beam (3), the emission system (1) being configured to generate a first beam of polarized light (4) in a first direction (7) from the initial beam of light (3), the emission system (1) further comprising a modulator (11) of the direction of polarization of the first polarized light beam (4) so as to transmit information, the device further comprising a receiving system configured to detect said first polarized light beam (4) when it is polarized according to said first direction (7) and to transmit said information.

LIGHT EMITTING DEVICE FOR MOTOR VEHICLE PROJECTOR

The device has a light-generating assembly including a light source, and reflectors that are arranged to generate a light beam reflected from light rays emitted from the light source. A mask wall (4) is equipped with an edge that is located on a path of the reflected light beam and arranged to form a cut, where the reflectors are arranged to generate another cut. The reflectors are arranged to produce source images in a plane perpendicular to a large axis of an ellipse located at predetermined distance from the light source.

PRIMARY OPTICAL ELEMENT, LIGHTING MODULE AND PROJECTOR FOR MOTOR VEHICLE.

LUMINOUS MODULE OF A MOTOR VEHICLE

L'invention concerne un module lumineux d'un véhicule automobile, comportant au moins une source de lumière (1) associée chacune à un organe d'entrée de lumière (8) d'un élément optique primaire (2) qui est disposé en regard d'un élément optique secondaire de projection (4) formé par un miroir. Le module présente trois surfaces de traitement d'aberration géométrique des rayons lumineux dont deux sont portés par l'élément optique primaire (2). La face de sortie (12) de l'organe d'entrée est disposée dans un plan confondu avec un plan focal (5) objet du système de projection formé par les éléments optiques primaire et secondaire. The invention relates to a light module of a motor vehicle, comprising at least one light source (1) each associated with a light input member (8) of a primary optical element (2) which is arranged opposite a secondary optical projection element (4) formed by a mirror. The module has three geometric aberration processing surfaces of the light rays, two of which are carried by the primary optical element (2). The output face (12) of the input member is disposed in a plane coinciding with an object focal plane (5) of the projection system formed by the primary and secondary optical elements.

LIGHTING SYSTEM FOR MOTOR VEHICLES

LUMINOUS MODULE COMPRISING A PRIMARY OPTICAL ELEMENT EQUIPPED WITH TWO SHAPING TABLES

L'invention concerne un module lumineux (10) de véhicule automobile comprenant : - une première rangée (12, 12A, 12B) transversales de sources lumineuses (14) ; - un premier élément optique primaire (1818A) monobloc qui présente une première nappe de mise en forme (20, 20A, 20B) ; - un dispositif (30, 30A, 30B) bifocal d'imagerie qui est conçu pour projeter une image de chaque source lumineuse (14) ; caractérisé en ce que le module lumineux (10) comporte une deuxième rangée (36, 36A, 36B) transversale de sources lumineuses (14), le premier élément optique primaire (18, 18A, 18B) comportant une deuxième nappe de mise en forme (38, 38A, 38B) monobloc qui est associée à ladite deuxième rangée (36, 36A, 36B). The invention relates to a light module (10) of a motor vehicle comprising: - a first row (12, 12A, 12B) transverse light sources (14); - a first integral optical element (1818A) which has a first forming web (20, 20A, 20B); - a bifocal imaging device (30, 30A, 30B) which is adapted to project an image of each light source (14); characterized in that the light module (10) comprises a second transverse light source row (36, 36A, 36B) (14), the first primary optical element (18, 18A, 18B) comprising a second shaping sheet ( 38, 38A, 38B) which is associated with said second row (36, 36A, 36B).

LIGHTING DEVICE FOR A MOTOR VEHICLE COMPRISING A LIGHT GUIDE

L'invention concerne un module optique (10) d'éclairage pour véhicule automobile comportant un élément (24) optique primaire comportant : - une première portion (24A) arrière comportant une pluralité de guides (26A, 26B) de lumière d'axe principal longitudinal agencés selon au moins une rangée transversale, et comportant chacun une face (30A, 30B) d'extrémité avant de sortie d'un faisceau lumineux secondaire ; - une portion (24B) avant qui présente une face (32) avant commune de sortie des faisceaux lumineux secondaires ; caractérisé en ce que la face (32) avant de la portion (24B) avant est conformée pour étaler les faisceaux lumineux secondaires au moins selon une direction verticale. The invention relates to an optical module (10) for lighting a motor vehicle comprising a primary optical element (24) comprising: - a first rear portion (24A) comprising a plurality of light guides (26A, 26B) of main axis longitudinal arranged in at least one transverse row, and each comprising a face (30A, 30B) of front end of exit of a secondary light beam; - A front portion (24B) which has a common front face (32) for the exit of the secondary light beams; characterized in that the front face (32) of the front portion (24B) is shaped to spread the secondary light beams at least in a vertical direction.

OPTICAL DEVICE FOR SEGMENTED LUMINOUS BEAM PROJECTION WITH OPTICAL LIGHT FORMATION SYSTEM.

L'invention concerne un dispositif optique (1) de projection de faisceau lumineux segmenté, notamment pour véhicule automobile, caractérisé en ce qu'il comprend en amont selon un axe optique du dispositif, une matrice (2) de sources (8) de lumière aptes à émettre des rayons lumineux, et en aval un système optique primaire (4) muni d'une première (5) et d'une deuxième série d'optiques (6) convergentes, la deuxième série d'optiques (6) convergentes étant en aval de la première série (5), la première série d'optiques (5) étant configurée pour répartir les rayons lumineux provenant des sources lumineuses (8) sur les optiques (6) de la deuxième série de manière à ce qu'une optique (5) de la première série distribue les rayons lumineux qui la traversent sur une optique (6) de la deuxième série. The invention relates to an optical device (1) for segmented light beam projection, in particular for a motor vehicle, characterized in that it comprises, upstream along an optical axis of the device, a matrix (2) of sources (8) of light capable of emitting light rays, and downstream a primary optical system (4) provided with a first (5) and a second series of convergent optics (6), the second series of convergent optics (6) being downstream of the first series (5), the first series of optics (5) being configured to distribute the light rays from the light sources (8) onto the optics (6) of the second series so that a optical (5) of the first series distributes the light rays that pass through an optics (6) of the second series.

PRIMARY OPTICAL ELEMENT FOR LIGHT MODULE OF MOTOR VEHICLE

Un élément optique primaire (3) pour module d'éclairage de véhicule automobile comprend une partie d'introduction de la lumière (7) munie d'une pluralité de moyens optiques primaires (8,9) reliés en sortie à une partie correctrice (6), lesdits moyens optiques primaires étant agencés sur au moins deux niveaux selon une première direction en des premiers (8) et deuxième (9) moyens optiques primaires distincts. Une pluralité de premiers moyens optiques primaires (8) sont agencés en série selon une deuxième direction sensiblement perpendiculaire à la première direction. L'invention concerne également un module lumineux pour projecteur de véhicule automobile qui comprend une pluralité de sources de lumière (1,2), un tel élément optique primaire (3) et un élément optique secondaire associé (4). A primary optical element (3) for a motor vehicle lighting module comprises a light introduction part (7) provided with a plurality of primary optical means (8, 9) connected at output to a corrective part (6 ), said primary optical means being arranged on at least two levels in a first direction in first (8) and second (9) separate primary optical means. A plurality of first primary optical means (8) are arranged in series in a second direction substantially perpendicular to the first direction. The invention also relates to a light module for a motor vehicle headlamp which comprises a plurality of light sources (1,2), such a primary optical element (3) and an associated secondary optical element (4).

Optical module of a lighting system of a motor vehicle

L’invention concerne un module optique (1, 20) d’un système lumineux (10) d’un véhicule automobile, comprenant : une source lumineuse (2) ; un système optique primaire (4) comprenant au moins deux organes optiques (5, 8), chaque organe optique étant agencé pour former une image à partir de ladite source lumineuse, ladite image étant décalée vis-à-vis de l’image formée par chaque autre organe optique à partir de ladite source lumineuse ; un système optique de projection (7) agencé pour projeter au sol l’image formée par chaque organe optique du système optique primaire à partir de ladite source lumineuse. Figure à publier avec l’abrégé : Fig. 1 The invention relates to an optical module (1, 20) of a lighting system (10) of a motor vehicle, comprising: a light source (2); a primary optical system (4) comprising at least two optical members (5, 8), each optical member being arranged to form an image from said light source, said image being shifted with respect to the image formed by every other optical organ from said light source; a projection optical system (7) arranged to project on the ground the image formed by each optical component of the primary optical system from said light source. Figure to be published with abstract: Fig. 1

LENS, OPTICAL MODULE AND LIGHTING AND / OR SIGNALING DEVICE FOR MOTOR VEHICLE

LIGHTING SYSTEM FOR MOTOR VEHICLE PROJECTOR COMPRISING A LOW-DIMENSIONAL LIGHTING MODULE

Système d'éclairage pour véhicule automobile comprenant au moins un module d'éclairage comportant : - des sources de lumière comportant chacune une face de forme générale rectangulaire d'émission de lumière, les faces d'émission de lumière étant centrées sur une même droite définissant une direction d'alignement des sources, et - un dispositif optique de projection. Le module d'éclairage comporte en outre des guides de lumière, chaque guide étant couplé avec une des sources. Les guides sont répartis sur des première et seconde pièces de guidage distinctes de formes complémentaires, emboîtées l'une dans l'autre. La première pièce de guidage est placée en regard des faces d'émission de lumière et la seconde pièce de guidage est rapportée sur une surface libre du dispositif optique de projection. Le système d'éclairage est agencé de manière à former une tache lumineuse par source de lumière, chaque tache lumineuse ayant une forme de bande lumineuse. A lighting system for a motor vehicle comprising at least one lighting module comprising: light sources each having a generally rectangular face of light emission, the light-emitting faces being centered on the same straight line defining a source alignment direction, and - an optical projection device. The lighting module further comprises light guides, each guide being coupled with one of the sources. The guides are distributed on first and second separate guide parts of complementary shapes, nested one inside the other. The first guide piece is placed facing the light-emitting faces and the second guide piece is attached to a free surface of the projection optical device. The lighting system is arranged to form a light spot by light source, each light spot having a light band shape.

MOTOR VEHICLE SIGNALING DEVICE

DISPOSITIF DE SIGNALISATION D'UN VÉHICULE AUTOMOBILE L'invention a pour objet un dispositif (500) de signalisation d'un véhicule automobile (100), comprenant notamment un ensemble de projection (501) d'un motif lumineux (1, 2, 2', 3, 3') sur une portion de chaussée (600) située en arrière du véhicule (100), caractérisé en ce que l’ensemble de projection (501) est configuré pour projeter différentes configurations dudit motif lumineux et caractérisé en ce que le dispositif (500) de signalisation comprend des moyens de commande (502) de l'ensemble de projection (501) configurés pour recevoir une information (75) de changement de direction du véhicule (100) et pour donner à l’ensemble de projection une instruction de projection d’une des configurations du motif lumineux en fonction de l’information de changement de direction du véhicule. FIGURE pour l'ABREGE – figure 2 The invention relates to a device (500) for signaling a motor vehicle (100), comprising in particular a projection assembly (501) of a light pattern (1, 2, 2). ', 3, 3') on a portion of the roadway (600) located behind the vehicle (100), characterized in that the projection assembly (501) is configured to project different configurations of said light pattern and characterized in that the signaling device (500) comprises control means (502) of the projection assembly (501) configured to receive information (75) of change of direction from the vehicle (100) and to give the projection assembly an instruction to project one of the configurations of the light pattern as a function of the vehicle direction change information. FIGURE for the SHAFT - figure 2

"LIGHTING MODULE FORMING A LUMINOUS PATTERN DIVIDED INTO A NET SUPERIOR PORTION AND A LOWER FLUTED PORTION"

L'invention concerne un module d'éclairage (19) pour projecteur (12) de véhicule automobile comportant au moins une source lumineuse (28) et des éléments optiques (26) pour former au moins un motif lumineux (18), caractérisé en ce que chaque motif lumineux (18) est divisé en une portion supérieure (18A) et une portion inférieure (18B) qui sont éclairées de maniÚre simultanée et indissociable, la portion supérieure (18A) étant délimitée transversalement par deux bords verticaux nets (20A, 20B) pour chacun desquels l'intensité lumineuse diminue selon un premier gradient (G1) déterminé, et la portion inférieure (18B) étant délimitée transversalement par deux bords verticaux flous (22A, 22B) pour chacun desquels l'intensité lumineuse diminue selon un deuxiÚme gradient (G2) déterminé inférieur audit premier gradient (G1) déterminé. The invention relates to a lighting module (19) for a motor vehicle headlamp (12) comprising at least one light source (28) and optical elements (26) for forming at least one pattern light (18), characterized in that each light pattern (18) is divided into an upper portion (18A) and a lower portion (18B) which are simultaneously illuminated e and inseparable, the upper portion (18A) being transversely delimited by two sharp vertical edges (20A, 20B) for each of which the light intensity decreases according to a first gradient (G1) determined ©, and the lower portion (18B) being delimited transversely by two fuzzy vertical edges (22A, 22B) for each of which the light intensity decreases according to a second gradient (G2) determined less than said first gradient (G1) determined.

LIGHTING DEVICE AND PROJECTOR COMPRISING SUCH A DEVICE

Système optique (1) pour induire un grandissement non homogène dans un champ image d'un faisceau lumineux et comprenant : un premier élément optique (20) ayant au moins une surface asphérique, un deuxième élément optique convergent (30), un troisième élément optique (40) ayant au moins une surface asphérique, ledit deuxième élément optique convergent (30) étant situé entre lesdits premier (20) et troisième (40) éléments optiques. An optical system (1) for inducing inhomogeneous magnification in an image field of a light beam and comprising: a first optical element (20) having at least one aspheric surface, a second convergent optical element (30), a third optical element (40) having at least one aspherical surface, said second convergent optical element (30) being located between said first (20) and third (40) optical elements.

OPTICAL DEVICE INTEGRATING CORRECTIVE OPTICAL STRUCTURES

Il est proposé un dispositif optique, notamment pour véhicule automobile, comprenant un ou plusieurs éléments optiques, deux ou plus structures optiques réalisant chacune une fonction optique et étant disposées sur une ou plusieurs surfaces. Lesdites deux ou plusieurs structures optiques sont configurées pour modifier la direction de propagation de rayons lumineux qui passent à travers lesdits un ou plusieurs éléments optiques, la modification de la direction de propagation des rayons lumineux étant créée par une variation de la somme des épaisseurs desdites deux ou plus structures optiques, la somme des épaisseurs étant inférieure ou égale un millimètre. Un tel dispositif diminue le poids et l'encombrement des dispositifs optiques embarqués dans un véhicule automobile tout en améliorant leurs qualités optiques. An optical device is proposed, particularly for a motor vehicle, comprising one or more optical elements, two or more optical structures each performing an optical function and being arranged on one or more surfaces. Said two or more optical structures are configured to change the direction of propagation of light rays that pass through said one or more optical elements, the change in the direction of propagation of the light rays being created by a variation of the sum of the thicknesses of said two. or more optical structures, the sum of the thicknesses being less than or equal to one millimeter. Such a device reduces the weight and bulk of embedded optical devices in a motor vehicle while improving their optical qualities.

LUMINOUS MODULE COMPRISING AN OPTICAL FIELD CORRECTION ELEMENT

Un élément optique de correction de champ, configuré pour être agencé dans un dispositif d'éclairage adaptatif en travers de rayons lumineux émis par une pluralité de sources lumineuses, comprend une face d'entrée (21) de rayons lumineux et une face de sortie (22) de ces rayons lumineux. Au moins une portion de la face d'entrée (21) est recouverte d'un revêtement antireflet (AR1) apte à augmenter le taux de transmission des rayons lumineux à travers l'élément optique. An optical field correction element, configured to be arranged in an adaptive lighting device across light rays emitted by a plurality of light sources, comprises an input face (21) of light rays and an output face ( 22) of these light rays. At least a portion of the input face (21) is covered with an antireflection coating (AR1) capable of increasing the transmission rate of light rays through the optical element.

LIGHTING DEVICE EMITTING A SEGMENT LUMINOUS BEAM

L'invention concerne un dispositif d'éclairage (12) pour véhicule automobile (10) apte à produire un faisceau global d'éclairage (14) qui comporte plusieurs faisceaux partiels (28) dont chacun éclaire un segment principal (S1, S2, S2', S3, S3' et S4, S4') fixe par rapport au véhicule (10), deux segments principaux (S1, S2, S2', S3, S3' et S4, S4') adjacent se chevauchant partiellement, caractérisé en ce qu'il comporte au moins un faisceau lumineux additionnel (26) qui éclaire un segment additionnel (S5) fixe par rapport au véhicule (10), le faisceau lumineux additionnel (26) convergeant avec un faisceau lumineux partiel (28) associé pour que le segment additionnel (S5) fixe soit strictement inclus dans un segment principal (S1) associé, le segment additionnel (S5) fixe présentant une dimension transversale strictement inférieure audit à celle du segment principal (S1) associé. The invention relates to a lighting device (12) for a motor vehicle (10) capable of producing a global lighting beam (14) which comprises a plurality of partial beams (28) each of which illuminates a main segment (S1, S2, S2 ', S3, S3' and S4, S4 ') fixed with respect to the vehicle (10), two adjacent main segments (S1, S2, S2', S3, S3 'and S4, S4') partially overlapping, characterized in that it comprises at least one additional light beam (26) which illuminates an additional segment (S5) fixed relative to the vehicle (10), the additional light beam (26) converging with a partial light beam (28) associated so that the additional segment (S5) fixed is strictly included in a main segment (S1) associated, the additional segment (S5) fixed having a transverse dimension strictly less than that of the main segment (S1) associated.

Optical module of a lighting system of a motor vehicle

L’invention concerne un module optique (1, 20) d’un système lumineux (10) d’un véhicule automobile, comprenant : au moins une source lumineuse (2), un élément optique primaire (4) comprenant au moins un organe optique primaire (5) relié à un organe optique de sortie (6), ledit organe optique primaire comportant une face d’entrée de lumière (51) et une face de jonction (52) reliant ledit organe optique primaire à l’organe optique de sortie, l’élément optique primaire étant une pièce monobloc, et un système optique de projection (7) agencé pour projeter au sol, à partir de la lumière émise par ladite source lumineuse et collectée par ledit organe optique primaire, une image (1a, 1b, 1c) de ladite face de jonction, ledit organe optique primaire étant agencé pour que l’image de sa face de jonction projetée au sol par le système optique de projection soit entièrement délimitée par des bords sensiblement nets. Figure à publier avec l’abrégé : Fig. 1 The invention relates to an optical module (1, 20) of a light system (10) of a motor vehicle, comprising: at least one light source (2), a primary optical element (4) comprising at least one optical primary (5) connected to an output optical component (6), said primary optical component comprising a light input face (51) and a junction face (52) connecting said primary optical component to the output optical component , the primary optical element being a single piece, and an optical projection system (7) arranged to project on the ground, from the light emitted by said light source and collected by said primary optical member, an image (1a, 1b , 1c) of said junction face, said primary optical member being arranged so that the image of its junction face projected onto the ground by the projection optical system is entirely delimited by substantially sharp edges. Figure to be published with abstract: Fig. 1

OPTICAL DEVICE COMPRISING AT LEAST ONE WAVELENGTH CONVERTER, LIGHT MODULE AND LIGHTING DEVICE FOR MOTOR VEHICLE HAVING SUCH A DEVICE

Lighting module for a motor vehicle

LIGHTING AND / OR SIGNALING DEVICE FOR MOTOR VEHICLE

Une source de lumière (1) à semi-conducteur comprend un substrat (10) et une pluralité de bâtonnets électroluminescents (8) à semi-conducteur s'étendant respectivement depuis le substrat, ainsi qu'une pluralité de parois de séparation (30,31,32) s'étendant également depuis le substrat. Les parois de séparation sont agencées entre lesdits bâtonnets de manière à définir des groupes de bâtonnets et de telle sorte qu'au moins deux parois de séparation présentent une hauteur différente. A semiconductor light source (1) comprises a substrate (10) and a plurality of semiconductor light-emitting rods (8) extending respectively from the substrate, and a plurality of partition walls (30, 31,32) also extending from the substrate. The partition walls are arranged between said rods so as to define groups of rods and such that at least two separation walls have a different height.

OPTIMIZED INTENSITY PROFILE LIGHTING SYSTEM FOR MOTOR VEHICLE PROJECTOR

Le système d'éclairage (2) pour véhicule automobile est destiné à émettre un faisceau lumineux. Le faisceau comprend au moins deux zones éclairées chacune générée par au moins une source de lumière (6) et des moyens optiques (8) agencés de manière à former une tache lumineuse à partir de la lumière émise par la source de lumière (6), chaque tache ayant une forme générale de bande lumineuse rectangulaire. Le système (2) comprend également au moins deux types de sources de lumière, appelés premier et deuxième types de sources de lumière, les sources de lumière (6) d'un même type ayant sensiblement une même luminance. La luminance d'une source de lumière (6) du premier type étant 2 à 10 fois supérieure à celle d'une source de lumière (6) du deuxième type. The lighting system (2) for a motor vehicle is intended to emit a light beam. The beam comprises at least two illuminated areas each generated by at least one light source (6) and optical means (8) arranged to form a light spot from the light emitted by the light source (6), each spot having a general shape of rectangular light band. The system (2) also comprises at least two types of light sources, called first and second types of light sources, the light sources (6) of the same type having substantially the same luminance. The luminance of a light source (6) of the first type being 2 to 10 times higher than that of a light source (6) of the second type.

LUMINOUS MODULE COMPRISING AN OPTICAL FIELD CORRECTION ELEMENT

Un élément optique de correction de champ, configuré pour être agencé dans un dispositif d'éclairage adaptatif en travers de rayons lumineux émis par une pluralité de sources lumineuses, comprend une face d'entrée (21) de rayons lumineux et une face de sortie (22) de ces rayons lumineux. Au moins une portion de la face d'entrée (21) est recouverte d'un revêtement antireflet (AR1) apte à augmenter le taux de transmission des rayons lumineux à travers l'élément optique. An optical field correction element, configured to be arranged in an adaptive lighting device across light rays emitted by a plurality of light sources, comprises an input face (21) of light rays and an output face ( 22) of these light rays. At least a portion of the input face (21) is covered with an antireflection coating (AR1) capable of increasing the transmission rate of light rays through the optical element.

LIGHT EMITTING DEVICE FOR MOTOR VEHICLE PROJECTOR

L'invention a pour objet un dispositif d'émission d'un faisceau lumineux de sortie, notamment pour véhicule automobile, ledit faisceau étant délimité par une première coupure (1) suivant un premier plan de coupure et par une deuxième coupure (2) suivant un deuxième plan de coupure différant du première plan de coupure, le dispositif comportant un ensemble de génération de lumière comprenant une source lumineuse (3), un réflecteur (6) agencé pour générer un faisceau lumineux réfléchi à partir des rayons lumineux issus de la source lumineuse (3) et une paroi de cache (4) pourvue d'une bordure (5) située sur le chemin du faisceau lumineux réfléchi et configurée pour former la première coupure (1) caractérisé en ce que le réflecteur (6) est agencé pour générer la deuxième coupure (2). The subject of the invention is a device for emitting an output light beam, in particular for a motor vehicle, said beam being delimited by a first cut-off (1) along a first cut-off plane and by a second break (2) following a second cut-off plane differing from the first cut-off plane, the device comprising a light-generating assembly comprising a light source (3), a reflector (6) arranged to generate a light beam reflected from the light rays coming from the source a luminous wall (3) and a cover wall (4) provided with a border (5) situated on the path of the reflected light beam and configured to form the first cut (1), characterized in that the reflector (6) is arranged to generate the second break (2).

Optical device comprising at least one wavelength converter, lighting module and lighting device for vehicle comprising such an optical device

Dispositif optique comportant : - un élément optique convertisseur de longueur d'onde (21), formé d'un premier milieu optique ayant un premier indice de réfraction, l'élément convertisseur étant configuré pour recevoir un faisceau lumineux incident (1) sur une première (23) de ses faces et pour convertir le faisceau lumineux incident en un faisceau lumineux converti ; - un élément optique réfléchissant (22), disposé sur une deuxième (24) des faces du convertisseur, la deuxième face étant opposée à la première face, l'élément réfléchissant étant configuré pour réfléchir le faisceau lumineux converti ; - un élément optique dit primaire (3), formé d'un deuxième milieu optique ayant un deuxième indice de réfraction sensiblement identique au premier indice de réfraction, l'élément primaire ayant une première (33) de ses faces disposée à proximité de la première face de l'élément convertisseur (21), l'élément primaire (3) étant configuré pour recevoir le faisceau lumineux incident (1) et le transmettre au convertisseur (21), l'élément primaire (3) ayant une deuxième (34) de ses faces formant la face de sortie de l'élément primaire pour le faisceau lumineux converti, la face de sortie de l'élément primaire étant configurée pour minimiser les réflexions parasites du faisceau lumineux converti sur elle-même. Optical device comprising: a wavelength-converting optical element (21) formed of a first optical medium having a first refractive index, the converter element being configured to receive an incident light beam (1) on a first (23) of its faces and to convert the incident light beam into a converted light beam; - a reflective optical element (22) disposed on a second (24) of the converter faces, the second face being opposite to the first face, the reflecting element being configured to reflect the converted light beam; a so-called primary optical element (3), formed of a second optical medium having a second refractive index ...

Device for projecting light beams provided with light source arrays, lighting module and vehicle headlamp provided with such a device

L'invention concerne un dispositif optique de projection de faisceau lumineux, notamment pour véhicule automobile, caractérisé en ce qu'il comprend en amont selon le sens de propagation des rayons lumineux, un ensemble d'au moins deux sous-matrices (20) associées munies chacune de sources primaires (8) de lumière aptes à émettre des rayons lumineux, et en aval un système optique primaire (4) muni d'une pluralité d'optiques convergentes, au moins une optique convergente étant associée à chaque sous-matrice (20) et disposée en aval de celle-ci, l'écartement entre les axes optiques de deux optiques convergentes adjacentes correspond respectivement à l'écartement entre les centres des sous-matrices adjacentes correspondantes. L'invention a également pour objet un module optique comprenant ledit dispositif et un projecteur de véhicule automobile. The invention relates to an optical device for projecting a light beam, in particular for a motor vehicle, characterized in that it comprises, upstream in the direction of propagation of the light rays, a set of at least two associated sub-matrices (20). each provided with primary sources (8) of light capable of emitting light rays, and downstream a primary optical system (4) provided with a plurality of convergent optics, at least one convergent optics being associated with each sub-array ( 20) and disposed downstream thereof, the spacing between the optical axes of two adjacent convergent optics corresponds respectively to the spacing between the centers of the corresponding adjacent sub-matrices. The invention also relates to an optical module comprising said device and a motor vehicle headlamp.

LIGHT BEAM PROJECTION DEVICE HAVING LIGHT SOURCE SUBMATHES, LIGHTING MODULE AND PROJECTOR PROVIDED WITH SUCH A DEVICE

L'invention concerne un dispositif optique de projection de faisceau lumineux, notamment pour véhicule automobile, caractérisé en ce qu'il comprend en amont selon le sens de propagation des rayons lumineux, un ensemble d'au moins deux sous-matrices (20) associées munies chacune de sources primaires (8) de lumière aptes à émettre des rayons lumineux, et en aval un système optique primaire (4) muni d'une pluralité d'optiques convergentes, au moins une optique convergente étant associée à chaque sous-matrice (20) et disposée en aval de celle-ci, l'écartement entre les axes optiques de deux optiques convergentes adjacentes correspond respectivement à l'écartement entre les centres des sous-matrices adjacentes correspondantes. L'invention a également pour objet un module optique comprenant ledit dispositif et un projecteur de véhicule automobile.

Primary optical element, lighting module and headlight for motor vehicle

L'invention concerne un élément optique primaire (2) pour module lumineux de véhicule automobile, comprenant un unique organe d'entrée monobloc (3) et une partie correctrice (4), l'organe d'entrée présentant au moins une face d'entrée (31) destinée à recevoir de la lumière, l'organe d'entrée étant relié en sortie à la partie correctrice, la partie correctrice comportant une face de sortie de lumière (4a) au moins en partie en forme de dôme sensiblement sphérique, l'organe d'entrée et la partie correctrice formant une structure monobloc, caractérisé en ce que un profil vertical de la face d'entrée de l'organe d'entrée présente une première partie convexe (31 a) et une deuxième partie plane ou concave (31 b). The invention relates to a primary optical element (2) for a motor vehicle light module comprising a single monobloc input member (3) and a corrective part (4), the input member having at least one face of an input (31) for receiving light, the input member being outputly connected to the correcting portion, the corrective portion having a light-emitting (4a) at least partially substantially spherical-shaped, the input member and the corrective part forming a one-piece structure, characterized in that a vertical profile of the input face of the input member has a first convex portion (31 a) and a second flat portion or concave (31b).

LIGHT MODULE CONTAINING A MATRIX OF LIGHT SOURCES AND A BIFOCAL OPTICAL SYSTEM

L'invention concerne un module lumineux (10) de véhicule automobile, comprenant : - un réseau (12) de sources lumineuses (14) ; - un dispositif (30) bifocal d'imagerie qui est conçu pour projeter une image de chaque source lumineuse (14); caractérisé en ce que le module lumineux (10) comporte au moins un élément optique primaire (40), qui ne modifie pas en sortie selon une direction verticale V l'angle des rayons incidents, et qui permet de former des sources secondaires (62) dont la dimension latérale est plus grande qu'une dimension latérale des sources lumineuses (14) et dont l'ouverture angulaire (β) des faisceaux secondaires de lumière (18) émis est inférieure à une ouverture angulaire (α) des faisceaux de lumière (16) émis par les dites sources lumineuses (14). The invention relates to a light module (10) for a motor vehicle, comprising: - an array (12) of light sources (14); - a bifocal imaging device (30) which is designed to project an image of each light source (14); characterized in that the light module (10) comprises at least one primary optical element (40), which does not modify at output in a vertical direction V the angle of the incident rays, and which makes it possible to form secondary sources (62) whose lateral dimension is greater than a lateral dimension of the light sources (14) and whose angular opening (β) of the secondary light beams (18) emitted is less than an angular opening (α) of the light beams ( 16) emitted by said light sources (14).

Luminous lighting and/or signaling module of an automotive vehicle

A luminous lighting and/or signaling module for an automotive vehicle, the module comprising first means arranged to produce a first cut-off beam and second means arranged to produce at least two selectively activatable luminous segments, the luminous segments forming a second beam that is complementary to the cut-off beam, when they are activated simultaneously.

LIGHT BEAM PROJECTION DEVICE WITH MECHANICAL ACTUATOR, OPTICAL MODULE AND PROJECTOR PROVIDED WITH SUCH A DEVICE.

L'invention concerne un dispositif de projection d'un faisceau lumineux à actionneur mécanique, notamment pour véhicule automobile, comprenant un réseau de sources de lumière (2) aptes à émettre des rayons lumineux pour former le faisceau lumineux selon un axe optique (4), chaque source de lumière (2) définissant une composante du faisceau lumineux qui présente un angle de résolution défini dans un plan, le dispositif comprenant en outre un actionneur mécanique (5) configuré pour déplacer au moins un élément du dispositif de sorte que l'axe optique (4) du faisceau lumineux soit déplacé entre au moins deux directions de projection à une fréquence de déplacement déterminée, les directions de projection formant entre elles un angle de déplacement sensiblement coplanaire de l'angle de résolution, l'angle de déplacement étant égal à une fraction de l'angle de résolution du faisceau. The invention relates to a device for projecting a light beam with a mechanical actuator, in particular for a motor vehicle, comprising an array of light sources (2) able to emit light rays to form the light beam along an optical axis (4). each light source (2) defining a component of the light beam having a resolution angle defined in a plane, the device further comprising a mechanical actuator (5) configured to move at least one element of the device so that the optical axis (4) of the light beam is displaced between at least two projection directions at a determined displacement frequency, the projection directions forming between them an angle of displacement substantially coplanar with the resolution angle, the displacement angle being equal to a fraction of the beam resolution angle.

LIGHT MODULE COMPRISING A PRIMARY OPTICAL ELEMENT EQUIPPED WITH TWO SHAPING PATCHES

L'invention concerne un module lumineux (10) de véhicule automobile comprenant : - une première rangée (12, 12A, 12B) transversales de sources lumineuses (14) ; - un premier élément optique primaire (1818A) monobloc qui présente une première nappe de mise en forme (20, 20A, 20B) ; - un dispositif (30, 30A, 30B) bifocal d'imagerie qui est conçu pour projeter une image de chaque source lumineuse (14) ; caractérisé en ce que le module lumineux (10) comporte une deuxième rangée (36, 36A, 36B) transversale de sources lumineuses (14), le premier élément optique primaire (18, 18A, 18B) comportant une deuxième nappe de mise en forme (38, 38A, 38B) monobloc qui est associée à ladite deuxième rangée (36, 36A, 36B). The invention relates to a light module (10) for a motor vehicle comprising: - a first transverse row (12, 12A, 12B) of light sources (14); - a first primary optical element (1818A) in one piece which has a first shaping ply (20, 20A, 20B); - a bifocal imaging device (30, 30A, 30B) which is designed to project an image of each light source (14); characterized in that the light module (10) has a second transverse row (36, 36A, 36B) of light sources (14), the first primary optical element (18, 18A, 18B) comprising a second shaping layer ( 38, 38A, 38B) in one piece which is associated with said second row (36, 36A, 36B).

OPTICAL DEVICE FOR PROJECTING A SEGMENTED LIGHT BEAM PROVIDED WITH AN OPTICAL SYSTEM FOR FORMING LIGHT SEGMENTS.

L'invention concerne un dispositif optique (1) de projection de faisceau lumineux segmenté, notamment pour véhicule automobile, caractérisé en ce qu'il comprend en amont selon un axe optique du dispositif, une matrice (2) de sources (8) de lumière aptes à émettre des rayons lumineux, et en aval un système optique primaire (4) muni d'une première (5) et d'une deuxième série d'optiques (6) convergentes, la deuxième série d'optiques (6) convergentes étant en aval de la première série (5), la première série d'optiques (5) étant configurée pour répartir les rayons lumineux provenant des sources lumineuses (8) sur les optiques (6) de la deuxième série de manière à ce qu'une optique (5) de la première série distribue les rayons lumineux qui la traversent sur une optique (6) de la deuxième série. The invention relates to an optical device (1) for projecting a segmented light beam, in particular for a motor vehicle, characterized in that it comprises, upstream along an optical axis of the device, a matrix (2) of light sources (8) capable of emitting light rays, and downstream a primary optical system (4) provided with a first (5) and a second series of converging optics (6), the second series of converging optics (6) being downstream of the first series (5), the first series of optics (5) being configured to distribute the light rays coming from the light sources (8) on the optics (6) of the second series so that a optic (5) of the first series distributes the light rays which pass through it onto an optic (6) of the second series.

LUMINOUS DEVICE OF DIRECTION CHANGE INDICATOR WITH CONTROLLED CAUSTIC-GENERATING SURFACE FORMING A PATTERN ON A TARGET SURFACE

DISPOSITIF LUMINEUX INDICATEUR DE CHANGEMENT DE DIRECTION A SURFACE GENERATRICE DE CAUSTIQUE CONTROLEE FORMANT UN MOTIF SUR UNE SURFACE CIBLE La présente invention se rapporte à un dispositif lumineux (1) indicateur de changement de direction d’un véhicule comprenant : un élément optique (10) présentant une surface génératrice (12) de caustique contrôlée de manière à propager un motif sur un intervalle utile, une partie de montage (2) sur laquelle est destiné à être monté un générateur de faisceau (3) de rayons incidents sur ladite surface génératrice, l’élément optique étant agencé de manière à ce que le motif propagé soit projeté sur une surface cible, visible depuis l’extérieur du dispositif lumineux et située dans l’intervalle utile. Figure pour l’abrégé –Figure 1 The present invention relates to a luminous device (1) indicating the change of direction of a vehicle comprising: an optical element (10) having a pattern on a target surface. a caustic generating surface (12) controlled so as to propagate a pattern over a useful interval, a mounting part (2) on which is intended to be mounted a beam generator (3) of rays incident on said generating surface, 'optical element being arranged so that the propagated pattern is projected onto a target surface, visible from outside the light device and located in the useful interval. Figure for the abstract - Figure 1

SYSTEM FOR PROJECTION LENSES OF AT LEAST ONE LIGHT SOURCE

La présente invention concerne un système de lentilles de projection d'au moins une source lumineuse (1) comprenant, depuis ladite source (1) et dans la direction de propagation de la lumière, au moins un premier groupe d'éléments optiques (2) constitué d'au moins une première lentille convergente dite primaire (3), en contact avec ladite source lumineuse (1), obtenue dans un matériau présentant une constringence forte et présentant un ratio entre son épaisseur suivant l'axe optique et sa largeur supérieur à 0,5, un second groupe d'éléments optiques (6) constitué d'au moins une lentille divergente (7) obtenue dans un matériau présentant une constringence faible, une pupille (8) et un troisième groupe d'éléments optiques (9) constitué d'un réflecteur ou d'au moins une lentille convergente (10) obtenue dans un matériau présentant une constringence forte. The present invention relates to a projection lens system of at least one light source (1) comprising, from said source (1) and in the direction of propagation of light, at least a first group of optical elements (2). consisting of at least a first so-called primary convergent lens (3), in contact with said light source (1), obtained in a material having a strong constringence and having a ratio between its thickness along the optical axis and its width greater than 0.5, a second group of optical elements (6) consisting of at least one diverging lens (7) obtained in a material having a low constringence, a pupil (8) and a third group of optical elements (9) consisting of a reflector or at least one convergent lens (10) obtained in a material having a strong constringence.

LIGHT BEAM PROJECTION DEVICE HAVING LIGHT SOURCE MATRIX, LIGHTING MODULE AND PROJECTOR PROVIDED WITH SUCH A DEVICE

L'invention concerne un dispositif optique de projection de faisceau lumineux, notamment pour véhicule automobile, caractérisé en ce qu'il comprend, en amont selon le sens de propagation des rayons lumineux, une matrice (2) de sources primaires (8) de lumière aptes à émettre des rayons lumineux, et en aval un système optique primaire (4) muni d'une pluralité d'optiques convergentes configurées pour former des images virtuelles (6) des sources primaires (8) de lumière, les images virtuelles (6) étant formées en amont de la matrice (2) de sources primaires (8), de sorte que les dimensions des images virtuelles (6) soient plus grandes que les dimensions des sources primaires (8) de lumière. L'invention a également pour objet un module optique comprenant ledit dispositif et un projecteur de véhicule automobile. The invention relates to an optical device for projecting a light beam, in particular for a motor vehicle, characterized in that it comprises, upstream in the direction of propagation of the light rays, a matrix (2) of primary sources (8) of light capable of emitting light rays, and downstream a primary optical system (4) provided with a plurality of convergent optics configured to form virtual images (6) of the primary sources (8) of light, the virtual images (6) being formed upstream of the matrix (2) of primary sources (8), so that the dimensions of the virtual images (6) are larger than the dimensions of the primary sources (8) of light. The invention also relates to an optical module comprising said device and a motor vehicle headlamp.

LUMINOUS MODULE FOR LIGHTING AND / OR SIGNALING OF A MOTOR VEHICLE

L'invention concerne un module lumineux pour l'éclairage et/ou la signalisation d'un véhicule automobile, ledit module comportant des premiers moyens (2) agencés pour réaliser un premier faisceau (11) à coupure et des deuxièmes moyens (6) agencés pour réaliser au moins deux segments lumineux (34) activables sélectivement, les segments lumineux formant un deuxième faisceau (13) complémentaire au faisceau à coupure, lorsqu'ils sont activés simultanément. The invention relates to a light module for lighting and / or signaling of a motor vehicle, said module comprising first means (2) arranged to produce a first beam (11) cutoff and second means (6) arranged for producing at least two light segments (34) selectively activatable, the light segments forming a second beam (13) complementary to the cut beam, when activated simultaneously.

Light beam projection device provided with a matrix of light sources, lighting and headlight module provided with such a device

The invention relates to an optical light beam projection device, notably for a motor vehicle, characterized in that it comprises, upstream in the direction of propagation of the light rays, a matrix of primary light sources capable of emitting light rays, and downstream, a primary optical system provided with a plurality of convergent optics configured to form virtual images of the primary light sources, the virtual images being formed upstream of the matrix of primary sources, such that the dimensions of the virtual images are greater than the dimensions of the primary light sources. Another subject of the invention is an optical module comprising the device and a motor vehicle headlight.

Warning system for an electric vehicle

Système d’avertissement (7) pour un véhicule électrique (1) comprenant un port de charge (2) fermé par un volet mobile (21), ledit véhicule électrique (1) étant destiné à être relié à une station de charge (3) par l’intermédiaire d’un câble de charge (5) ayant une fiche (51), caractérisé en ce que ledit système d’avertissement (7) comprend un appareil de projection de lumière (71) configuré pour projeter au moins un motif d’avertissement (73) sur une région du sol à proximité du port de charge (2) pour indiquer aux usagers de la route une saillie sur l’empreinte du véhicule électrique, ladite saillie étant créée par le câble de charge (5) et le volet (21) dans son état ouvert lorsque le câble de charge (5) est connecté au port de charge (2) du véhicule électrique. Figure pour l'abrégé : Figure 1 Warning system (7) for an electric vehicle (1) comprising a charging port (2) closed by a movable shutter (21), said electric vehicle (1) being intended to be connected to a charging station (3) through a charging cable (5) having a plug (51), characterized in that said warning system (7) comprises a light projection apparatus (71) configured to project at least one pattern of warning (73) on a region of the ground near the charging port (2) to indicate to road users a protrusion on the footprint of the electric vehicle, said protrusion being created by the charging cable (5) and the flap (21) in its open state when the charging cable (5) is connected to the charging port (2) of the electric vehicle. Figure for abstract: Figure 1

Light module comprising an array of light sources and a bifocal optical system

LIGHTING MODULE FOR A BAND LIGHTING DEVICE OF A PROJECTOR FOR A MOTOR VEHICLE

L'invention propose un module d'éclairage pour un projecteur d'éclairage en bandes d'un véhicule automobile, ainsi qu'un projecteur comprenant des modules conformes à l'invention. Les modules selon l'invention sont remarquables en ce qu'il permettent de créer des projecteurs ayant une surface de projection externe continue et implémentant une fonction d'éclairage en bandes, en juxtaposant des modules identiques. The invention provides a lighting module for a strip lighting projector of a motor vehicle, and a projector comprising modules according to the invention. The modules according to the invention are remarkable in that they make it possible to create projectors having a continuous external projection surface and implementing a band lighting function, by juxtaposing identical modules.

Optical module of a lighting system of a motor vehicle

L’invention concerne un module optique (1,20) d’un système lumineux (10, 100) d’un véhicule automobile, comprenant : au moins une source lumineuse (2, 22, 23) ; un système optique primaire (4, 40) comprenant au moins un organe optique primaire (5, 50), ledit organe optique primaire étant agencé pour former une image primaire à partir de ladite source lumineuse ; un masque (7, 70) disposé en aval du système optique primaire et présentant au moins deux zones (71, 72, 73, 74), l’une des zones (71, 74) étant opaque et l’autre (72, 73) étant apte à laisser de la lumière, lesdites zones étant agencées en vis-à-vis du système optique primaire pour former une image secondaire à partir de l’image primaire; un système optique de projection (9) agencé pour projeter au sol l’image secondaire formée par le masque. Figure à publier avec l’abrégé : Fig. 1 The invention relates to an optical module (1,20) of a lighting system (10, 100) of a motor vehicle, comprising: at least one light source (2, 22, 23); a primary optical system (4, 40) comprising at least one primary optical member (5, 50), said primary optical member being arranged to form a primary image from said light source; a mask (7, 70) arranged downstream of the primary optical system and having at least two zones (71, 72, 73, 74), one of the zones (71, 74) being opaque and the other (72, 73 ) being capable of leaving light, said zones being arranged facing the primary optical system to form a secondary image from the primary image; a projection optical system (9) arranged to project the secondary image formed by the mask onto the ground. Figure to be published with abstract: Fig. 1

Light module comprising a primary optical element provided with two shaping layers

L'invention concerne un module lumineux (10) de véhicule automobile comprenant :- une première rangée (12, 12A, 12B) transversales de sources lumineuses (14) ;- un premier élément optique primaire (18 18A) monobloc qui présente une première nappe de mise en forme (20, 20A, 20B) ;- un dispositif (30, 30A, 30B) bifocal d'imagerie qui est conçu pour projeter une image de chaque source lumineuse (14) ;caractérisé en ce que le module lumineux (10) comporte une deuxième rangée (36, 36A, 36B) transversale de sources lumineuses (14), le premier élément optique primaire (18, 18A, 18B) comportant une deuxième nappe de mise en forme (38, 38A, 38B) monobloc qui est associée à ladite deuxième rangée (36, 36A, 36B). The invention relates to a light module (10) of a motor vehicle comprising: - a first row (12, 12A, 12B) transverse light sources (14) - a first primary optical element (18 18A) monoblock which has a first sheet shaping device (20, 20A, 20B); - a bifocal imaging device (30, 30A, 30B) which is adapted to project an image of each light source (14); characterized in that the light module (10) ) has a second transverse row (36, 36A, 36B) of light sources (14), the first primary optical element (18, 18A, 18B) comprising a second monobloc shaping sheet (38, 38A, 38B) which is associated with said second row (36, 36A, 36B).

Communication device, notably for motor vehicles

【課題】車両内への取り付けが簡単であり、かつ、車両間の情報送信が効率的である通信装置を提供する。【解決手段】通信装置は、初期光ビーム（３）を発するように設計された光源（２）を備えた送信システム（１）を備える。送信システム（１）は、初期光ビーム（３）から始まる、第１の方向（７）に偏光された、第１の光ビーム（４）を生成するように構成される。送信システム（１）は、情報を送信するために、第１の偏光ビーム（４）の偏光方向の変調器（１１）をさらに備える。第１の偏光ビーム（４）が前記第１の方向（７）に偏光されている場合に、この第１の偏光ビームを検出し、かつ、前記情報を送信するように構成された受信システムをさらに備える。【選択図】図１

Lighting module for a device for lighting in light segments of a motor vehicle headlight

The invention relates to a lighting module for a headlight for lighting in light segments of a motor vehicle, as well as to a headlight comprising modules in accordance with the invention. The modules according to the invention are characterised in that they allow the creation of headlights that have a continuous external projection surface and implement a lighting function in segments, such as in strips, through the juxtaposition of identical modules.

Optical module of a lighting system of a motor vehicle

L’invention concerne un module optique (1, 20) d’un système lumineux (10) d’un véhicule automobile, comprenant : une source lumineuse (2) ; un système optique primaire (4) comprenant au moins deux organes optiques (5, 8), chaque organe optique étant agencé pour former une image à partir de ladite source lumineuse, ladite image étant décalée vis-à-vis de l’image formée par chaque autre organe optique à partir de ladite source lumineuse ; un système optique de projection (7) agencé pour projeter au sol l’image formée par chaque organe optique du système optique primaire à partir de ladite source lumineuse. Figure à publier avec l’abrégé : Fig. 1 The invention relates to an optical module (1, 20) of a lighting system (10) of a motor vehicle, comprising: a light source (2); a primary optical system (4) comprising at least two optical members (5, 8), each optical member being arranged to form an image from said light source, said image being shifted with respect to the image formed by every other optical organ from said light source; a projection optical system (7) arranged to project on the ground the image formed by each optical component of the primary optical system from said light source. Figure to be published with abstract: Fig. 1

Method for aiding the manoeuvring of an automotive vehicle and automotive lighting device

The invention provides a method for aiding the manoeuvring of an automotive vehicle (10). The method comprises the steps of projecting a light pattern (2) towards a projection zone of the ground surface, acquiring an image of the automotive vehicle (10) and the light pattern (2) from an image sensor (3) and providing the acquired image to a user of the automotive vehicle (10). The projection zone comprises at least one of a first virtual rectangle (4), a second virtual rectangle (5) and/or a third virtual rectangle (6), defined with respect to a rear point (15) of the carbody (13), a front point (16) of the carbody and the contact points (7) between the wheels (11, 12) and the ground surface (1). The invention also provides an automotive lighting device (10) for performing the steps of such a method.

LIGHTING SYSTEM FOR MOTOR VEHICLES

L'invention présente un système d'éclairage pour véhicule automobile (1), comportant un dispositif de projection (8) d'un faisceau de croisement (3) dans une zone de projection, caractérisé en ce que le dispositif de projection (8) est configuré pour que le faisceau de croisement (3) comprenne une zone de moindre illumination (5) située à l'intérieur de la zone de projection. Une application préférentielle est le domaine de l'équipement d'éclairage pour véhicules automobiles. The invention presents a lighting system for a motor vehicle (1), comprising a projection device (8) for a passing beam (3) in a projection zone, characterized in that the projection device (8) is configured so that the passing beam (3) comprises a zone of less illumination (5) located inside the projection zone. A preferred application is the field of lighting equipment for motor vehicles.

LIGHTING SYSTEM FOR MOTOR VEHICLE PROJECTOR COMPRISING A LOW-DIMENSIONAL LIGHTING MODULE

Système d'éclairage pour véhicule automobile comprenant au moins un module d'éclairage comportant : - des sources de lumière comportant chacune une face de forme générale rectangulaire d'émission de lumière, les faces d'émission de lumière étant centrées sur une même droite définissant une direction d'alignement des sources, et - un dispositif optique de projection. Le module d'éclairage comporte en outre des guides de lumière, chaque guide étant couplé avec une des sources. Les guides sont répartis sur des première et seconde pièces de guidage distinctes de formes complémentaires, emboîtées l'une dans l'autre. La première pièce de guidage est placée en regard des faces d'émission de lumière et la seconde pièce de guidage est rapportée sur une surface libre du dispositif optique de projection. Le système d'éclairage est agencé de manière à former une tache lumineuse par source de lumière, chaque tache lumineuse ayant une forme de bande lumineuse. A lighting system for a motor vehicle comprising at least one lighting module comprising: light sources each having a generally rectangular face of light emission, the light-emitting faces being centered on the same straight line defining a source alignment direction, and - an optical projection device. The lighting module further comprises light guides, each guide being coupled with one of the sources. The guides are distributed on first and second separate guide parts of complementary shapes, nested one inside the other. The first guide piece is placed facing the light-emitting faces and the second guide piece is attached to a free surface of the projection optical device. The lighting system is arranged to form a light spot by light source, each light spot having a light band shape.

Luminous module including a field-correcting optical element

A field-correcting optical element configured to be arranged in an adaptive lighting device crosswise to light rays emitted by a plurality of light sources includes an entrance face through which light rays enter and an exit face through which these light rays exit. At least one segment of the entrance face is covered with an antireflection coating that is able to increase the transmittance of light rays through the optical element.

SECURED LIGHTING MODULE WITH LASER LIGHT SOURCE

L'invention a trait à un module d'éclairage (2), notamment pour véhicule automobile, comprenant une source lumineuse du type laser (4) apte à émettre un faisceau lumineux cohérent suivant une direction donnée et monochromatique d'une longueur d'onde λ, un dispositif photoluminescent (8) apte à convertir le faisceau lumineux cohérent et monochromatique en un faisceau lumineux incohérent. Le module comprend, en outre, un réflecteur dichroïque (10) configuré pour réfléchir les rayons de la longueur d'onde λ du faisceau lumineux provenant du dispositif photoluminescent (8) ; un polariseur (14) des rayons réfléchis par le réflecteur dichroïque (10), ledit polariseur polarisant lesdits rayons suivant une direction perpendiculaire à la direction de polarisation du faisceau lumineux cohérent et monochromatique lorsqu'il rencontre ledit polariseur, de manière à bloquer ledit faisceau en cas de défaillance du dispositif photoluminescent. The invention relates to a lighting module (2), in particular for a motor vehicle, comprising a light source of the laser type (4) capable of emitting a coherent light beam in a given direction and monochromatic of a wavelength. λ, a photoluminescent device (8) capable of converting the coherent and monochromatic light beam into an incoherent light beam. The module further comprises a dichroic reflector (10) configured to reflect the rays of the wavelength λ of the light beam from the photoluminescent device (8); a polarizer (14) of the rays reflected by the dichroic reflector (10), said polarizer polarizing said rays in a direction perpendicular to the polarization direction of the coherent and monochromatic light beam when it encounters said polarizer, so as to block said beam in case of failure of the photoluminescent device.

Dispositif de projection de faisceau lumineux de vehicule automobile et projecteur de vehicule comprenant ledit dispositif

Module optique d’un système lumineux d’un véhicule automobile

L’invention concerne un module optique (1,20) d’un système lumineux (10, 100) d’un véhicule automobile, comprenant : au moins une source lumineuse (2, 22, 23) ; un système optique primaire (4, 40) comprenant au moins un organe optique primaire (5, 50), ledit organe optique primaire étant agencé pour former une image primaire à partir de ladite source lumineuse ; un masque (7, 70) disposé en aval du système optique primaire et présentant au moins deux zones (71, 72, 73, 74), l’une des zones (71, 74) étant opaque et l’autre (72, 73) étant apte à laisser de la lumière, lesdites zones étant agencées en vis-à-vis du système optique primaire pour former une image secondaire à partir de l’image primaire; un système optique de projection (9) agencé pour projeter au sol l’image secondaire formée par le masque. Figure à publier avec l’abrégé : Fig. 1

Light beam projection device provided with submatrices of light sources, lighting and headlight module provided with such a device

An optical light beam projection device, notably for a motor vehicle, includes upstream in the direction of propagation of the light rays, a set of at least two associated submatrices each provided with primary light sources capable of emitting light rays. Downstream, a primary optical system is provided with a plurality of convergent optics, at least one convergent optic being associated with each submatrix and arranged downstream thereof, the separation between the optical axes of two adjacent convergent optics corresponds respectively to the separation between the centers of the corresponding adjacent submatrices. Another subject of the invention is an optical module comprising the device and a motor vehicle headlight.

Module d'éclairage et de signalisation lumineux

La présente invention concerne un module d'éclairage et de signalisation (1) lumineux comprenant au moins une pièce optique (14), le module d'éclairage et de signalisation (1) comprenant en outre : - un premier ensemble lumineux (2) comportant une première source lumineuse (21) et un premier réflecteur (22), le premier réflecteur (22) étant configuré pour réfléchir les rayons lumineux (6, 7) vers la pièce optique (14), - un deuxième ensemble lumineux (3) comportant une deuxième source lumineuse (31) et un deuxième réflecteur (32), le deuxième réflecteur (32) étant configuré pour réfléchir les rayons lumineux (6, 7) selon une direction longitudinale (L) en direction de la pièce optique (14), caractérisé en ce que le deuxième réflecteur (32) est positionné avec un décalage par rapport au premier réflecteur (22) selon une première direction (8) parallèle à la direction longitudinale (L) et selon une deuxième direction (9) perpendiculaire à la direction longitudinale (L).

Module d’éclairage et de signalisation lumineux

Module d’éclairage et de signalisation lumineux La présente invention concerne un module d’éclairage et de signalisation (1) lumineux comprenant au moins un bloc optique (14), le module d’éclairage et de signalisation (1) comprenant en outre : un premier ensemble lumineux (2) comportant une première source lumineuse (21) et un premier réflecteur (22), le premier réflecteur (22) étant configuré pour réfléchir les rayons lumineux (6, 7) vers le bloc optique (14),un deuxième ensemble lumineux (3) comportant une deuxième source lumineuse (31) et un deuxième réflecteur (32), le deuxième réflecteur (32) étant configuré pour réfléchir les rayons lumineux (6, 7) selon une direction longitudinale (L) en direction du bloc optique (14), caractérisé en ce que le deuxième réflecteur (32) est positionné avec un décalage par rapport au premier réflecteur (22) selon une première direction (8) parallèle à la direction longitudinale (L) et selon une deuxième direction (9) perpendiculaire à la direction longitudinale (L). (figure 3)

Dispositif de projection de faisceau lumineux muni d'une matrice de sources de lumiere, module d'eclairage et phare de véhicule automobile muni d'un tel dispositif