Abstract: An optical system and an interior lighting device for a motor vehicle including a light source coupled to such an optical system. The optical system includes a first portion of an optical assembly that allows a real image of the light source to the enlarged and projected into proximity to a diffuser of the optical system. The optical assembly also includes a second portion that plays the role of a projecting optic to project out of the optical system a real image of the of the light source formed in proximity to the diffuser. The optical system allows a luminance of the light source of the interior lighting device to be decreased while preserving its pixelization, allowing light sources based on light-emitting diodes and driven with a high-amperage electrical current to be used in motor-vehicle passenger compartments without any risk to the occupants.

Abstract: A light-emitting module of a lighting/signalling device, in particular for a motor vehicle, including at least one light source including a set of submillimetre-sized light-emitting elements; the light-emitting elements being distributed in a first zone and in a second zone such that the first zone emits a first luminous intensity and that the second zone provides a transition between the first luminous intensity in proximity to the first zone and a second luminous intensity that is lower than the first luminous intensity.

Abstract: A device for a motor vehicle in order to transmit information to road users for safety is provided. The device includes a light source emitting a primary beam, a scattering element, at least one liquid-crystal display arranged between the light source and the scattering element, the at least one liquid crystal display being controlled in order to selectively transmit at least one portion of the primary beam toward the scattering element to form a secondary beam with at least two different distributions of light, and an image of the at least one liquid-crystal display being formed on the scattering element.

Abstract: A luminous module includes a light source and an optical part for shaping the light rays emitted by the light source. The light source is a semiconductor source that includes a plurality of electroluminescent units of submillimeter dimensions, and at least one positioning outgrowth configured to participate in the positioning of the light source on an optical part. The light source is positioned with respect to the optical part by interaction of the at least one positioning outgrowth with a corresponding receiving orifice formed in the optical part.

Abstract: 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.

Abstract: The present invention relates to a lighting module for a motor vehicle headlamp module including a light source able to emit light radiation, a processing device able to generate a light flux from said light radiation, and an imaging optical system able to project an exit beam from said light flux. The lighting module includes means for controlling an angular aperture of the exit beam, the angular aperture being chosen from a first aperture and a second aperture, the first aperture corresponding to a wider angle than the second aperture, so that, for a given intensity of the light radiation of the light source, the exit beam corresponding to the second aperture has a higher light intensity than the exit beam corresponding to the first aperture.

Abstract: A method for controlling an electric current within a semiconductor light source, the light source comprising a substrate with at least two distinct light-emitting regions, wherein the method comprises the following steps: activating a first luminous region, regulating the mean value of the electrical variable relating to the electric current received by the light source as a function of a first setpoint, so as to obtain a first value of a first luminous flux corresponding to the flux emitted by the first luminous region, activating at least a second luminous region of the light source, regulating the mean value of the electrical variable relating to the electric current received by the light source, so as to obtain a second value of a second luminous flux corresponding to the flux emitted by at least the second luminous region.

Abstract: A light-emitting module for an automotive vehicle includes a light source including a plurality of electroluminescent rods, and a layer adapted for encapsulating the electroluminescent rods and for converting at least a portion of the light emitted by the rods into a converted light, the layer including a conversion sublayer extending beyond a free end of the electroluminescent rods, the conversion sublayer including a phosphor compound adapted for generating the converted light from the light emitted by the electroluminescent rods, the phosphor compound being in the form of grains, the dimensions of which are provided to prevent the presence of the grains between spaces delimited laterally between the rods, and an encapsulation sublayer in which at least a portion of the electroluminescent rods is embedded.

Abstract: 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.

Abstract: The lighting device for a vehicle has two light sources and a wavelength conversion device excited by the combination of the radiations from the two light sources. A first light source is associated with a scanning system projecting, by scanning, a first light radiation onto a first conversion region of the device, while a second light source with semiconductors emits a second light radiation into a second conversion region of the device. The second source, different from the first source and whose luminance level is typically less high, is provided with light-emitting units of submillimetric dimensions. The beams produced by the device respectively in the first region and in the second region have different characteristics and complement one another to produce one or more lighting functions.

Abstract: An optical system and an interior lighting device for a motor vehicle including a light source coupled to such an optical system. The optical system includes a first portion of an optical assembly that allows a real image of the light source to the enlarged and projected into proximity to a diffuser of the optical system. The optical assembly also includes a second portion that plays the role of a projecting optic to project out of the optical system a real image of the of the light source formed in proximity to the diffuser. The optical system allows a luminance of the light source of the interior lighting device to be decreased while preserving its pixelization, allowing light sources based on light-emitting diodes and driven with a high-amperage electrical current to be used in motor-vehicle passenger compartments without any risk to the occupants.

Abstract: The light module for motor vehicle offers a light source associated with a first part of an imaging system so as to produce a reflected beam coincident with the reflection surface of a high definition pixellated spatial light modulator, which makes it possible to avoid unnecessarily lighting the periphery of the spatial light modulator. The light source consists essentially in one or more light emitting diodes and/or has a punctiform or virtually punctiform appearance. The reflected radiation arrives on a second part of the imaging system, this part characteristically consisting in an optical projection system, some of whose elements can form a back focussing system. The module remains compact and is clearly suitable for providing adaptive lighting in a homogeneous, efficient manner and with high resolution.

Abstract: A light device including a light source driven to produce the emission of light rays, as well as a deflection element arranged facing the light source to deflect the emitted light rays, and a ray-forming optic for emitting a light beam out of the device. The light source is a semiconductor source, including at least one substrate and a plurality of light-emitting elements of submillimetric dimensions which extend from a first face of the substrate. The deflection element takes the form of an elliptical or pseudo-elliptical reflector, whose inner face forms a reflection face for the emitted light rays which is turned towards the first face of the substrate of the light source. Also, the forming optic is a divergent lens.

Abstract: A luminous device for a motor vehicle, comprising a light source including a plurality of emitting elements that are configured to form at least one first emission zone and one second emission zone that are addressable selectively from each other. The luminous device also comprises a screen that is at least partially transparent to the light emitted by the light source, comprising first transmission zones and second transmission zones that are respectively arranged facing the first and second emission zones, the first transmission zones being configured to scatter the light beams emitted by the first emission zones.

Abstract: A lighting module for a motor vehicle, configured to project a light beam forming a pixelized image. The lighting module includes a light source and a device for processing the light emitted by the light source includes a matrix of active elements configured to process at least a portion of the light beam emitted by the light source in such a manner as to form the pixelized image. The light source includes a matrix of emissive elements of which at least two emissive elements can be activated selectively and the matrix of emissive elements and of active elements are offset relative to one another in such a manner that each active element is arranged across a portion of the light beam emitted by an emissive element.

Abstract: The present invention relates to a lighting system including a primary light source producing a primary light beam in the direction of a conversion device that returns a secondary light radiation to an optical imaging system forming a projected light beam. A light sensor generates a signal corresponding to the light received by this sensor. The light includes a non-converted light part of the first primary light beam which is returned by the conversion device in the projected light beam and is reflected by an obstacle situated in the zone illustrated by said projected light beam. A control unit has modulation means generating a modulation signal for the primary light, and demodulation means for processing the signal formed by said sensor, and determines a distance between the obstacle and the lighting system.

Abstract: A semiconductor light source includes at least one substrate and a plurality of submillimetre-sized light-emitting rods that extend from a first face of the substrate. The light-emitting rods are arranged in a plurality of groups the selective activation of which allows a plurality of light beams to be produced. At least two groups of rods are electrically connected to one another by an irreversibly modifiable conductive bridge such that the irreversible modification of this conductive bridge irreversibly modifies the electrical dependence of the two groups on one another.

Abstract: A motor vehicle passenger compartment lighting system includes semiconductor light-emitting light sources and a substrate on which the light sources are grown. The light sources define a plurality of light-emitting zones (Sa, Slg, Sld), and the system is configured to activate the light source or sources of the same zone independently from one zone to another. The plurality of zones (Sa, Slg, Sld) are configured to emit beams intended to produce different lighting effects from one zone to another.

Abstract: A motor-vehicle lighting module, including a semiconductor light source including light-emitting rods of submillimeter-sized dimensions, and one optic for shaping light rays emitted by the light source, the light source including two selectively activatable zones the luminance of one of which is higher than 80 Cd/mm2.

Abstract: The invention relates to a signalling and/or lighting device, in particular for a motor vehicle, comprising: means for emitting a light beam, called the primary beam 100, including a light source 1, a scattering element 3 and controlled transmitting means interposed between the emitting means and the scattering element 3, the controlled transmitting means being controlled in order to selectively transmit at least one portion of the primary beam 100 toward the scattering element 3 in order to form a beam, called the secondary beam 200, with at least two different distributions of the light, characterized in that the controlled transmitting means comprise at least one liquid-crystal display 2 arranged at distance from the scattering element 3, an image of the liquid-crystal display 2 being formed on the scattering element 3. The invention also relates to a lighting module for a motor vehicle, comprising such a device.