Abstract: An object detection system for a motor vehicle is proposed. The system includes an array of electroluminescent light sources, an array of light sensors and a calculating unit. At least one of the electroluminescent light sources is able to emit a signal. At least one of the sensors is able to receive the emitted signal that has been reflected by an object. The calculating unit is able to calculate, by triangulation, the position of the object on the basis of the position, in one of the arrays of electroluminescent light sources, of at least one of the electroluminescent light sources able to emit a signal and on the basis of the position, in one of the arrays of light sensors, of at least one of the sensors able to receive the signal reflected by the object.

Abstract: A device for luminously signalling a change of lane for a motor vehicle comprises at least one element for detecting the change of lane of the vehicle and at least one control module configured to receive and process information coming from the one or more elements for detecting the change of lane and to accordingly control at least one emitting and projecting element configured to project at least one pictogram onto the road.

Abstract: A device for luminously signalling a change of lane for a motor vehicle comprises at least one element for detecting the change of lane of the vehicle and at least one control module configured to receive and process information coming from the one or more elements for detecting the change of lane and to accordingly control at least one emitting and projecting element configured to project at least one pictogram onto the road.

Abstract: The invention relates to an optical device for projecting a pixelized light beam, in particular for a motor vehicle. The device comprises at least two matrix-arrays each equipped with primary light sources able to emit light rays and each placed in a plane that is specific thereto; at least one primary optical system associated with each matrix-array and placed downstream of the matrix-array, each primary optical system forming a virtual image of the matrix-array upstream of the latter; and an optical projecting system forming an image from the virtual images, in which image the virtual images overlap partially.

Abstract: A lighting device of a vehicle includes at least one lighting device for a road scene in front of the vehicle arranged to form a first light beam defined by a first lighting. A device for generating a second light beam defined by a second lighting is configured to superimpose the second beam on the first light beam. A sum of the first lighting and of the second lighting is greater than the first lighting, the second light beam forms driving assistance information.

Abstract: An electric power supply system using a single converter of the Boost type for supplying a plurality of lighting modules of a motor vehicle with electric voltage. Each module comprises a dedicated converter of the Buck type in order to ensure the regulation of the electric current in such a way as to meet the needs of the light sources of the lighting module in question. A communication network which connects the centralized unit and the lighting modules makes it possible to ensure the control of the modules and the detection of faults, as well as to notify the latter to other devices of the motor vehicle.

Abstract: An object detection system for a motor vehicle is proposed. The system includes an array of electroluminescent light sources, an array of light sensors and a calculating unit. At least one of the electroluminescent light sources is able to emit a signal. At least one of the sensors is able to receive the emitted signal that has been reflected by an object. The calculating unit is able to calculate, by triangulation, the position of the object on the basis of the position, in one of the arrays of electroluminescent light sources, of at least one of the electroluminescent light sources able to emit a signal and on the basis of the position, in one of the arrays of light sensors, of at least one of the sensors able to receive the signal reflected by the object.

Abstract: A light module for a light device of a motor vehicle. The module according to the invention comprises driving means for the electrical power supply of at least one light source mounted as a load of the driving means and further comprises switching means capable of selectively short-circuiting at least one of the light sources of the module. The invention relates also to a method allowing for the selective short-circuiting of at least one light source of a light module according to the invention.

Abstract: A heat sink device for a motor vehicle lighting module made of stamped aluminum and ensures good thermal conductivity. The arrangement of the cooling fins of the device is such that the device is able to be installed in various orientations, while at the same time ensuring good dissipation of the heat produced by a printed circuit board attached to the device.

Abstract: The invention relates to an optical device for projecting a pixelized light beam, in particular for a motor vehicle. The device comprises at least two matrix-arrays each equipped with primary light sources able to emit light rays and each placed in a plane that is specific thereto; at least one primary optical system associated with each matrix-array and placed downstream of the matrix-array, each primary optical system forming a virtual image of the matrix-array upstream of the latter; and an optical projecting system forming an image from the virtual images, in which image the virtual images overlap partially.

Abstract: A vehicle headlamp includes at least one light-emitting diode that operates as a detector of a light source. The headlamp also includes a first memory that records whether the at least one light-emitting diode detects the light source when the at least one light-emitting diode last operated as the detector of the detected light source.

Abstract: A vehicle headlamp comprising at least one light-emitting diode is proposed, wherein said at least one light-emitting diode is configured to operate as a detector of a light source.

Abstract: A lighting device of a vehicle includes at least one lighting device for a road scene in front of the vehicle arranged to form a first light beam defined by a first lighting. A device for generating a second light beam defined by a second lighting is configured to superimpose the second beam on the first light beam. A sum of the first lighting and of the second lighting is greater than the first lighting, the second light beam forms driving assistance information.

Abstract: A light device that makes it possible to detect a short-circuited light-emitting diode in a series assembly of a plurality of such diodes. By taking into account the junction temperature of the diodes, the device and the method associated therewith make it possible to avoid false positive short-circuit detections. The device is also capable of learning the operating parameters necessary to the detection independently and dynamically, which makes it particularly adaptive.

Abstract: an electric power supply system using a single converter of the Boost type for supplying a plurality of lighting modules of a motor vehicle with electric voltage. Each module comprises a dedicated converter of the Buck type in order to ensure the regulation of the electric current in such a way as to meet the needs of the light sources of the lighting module in question. A communication network which connects the centralized unit and the lighting modules makes it possible to ensure the control of the modules and the detection of faults, as well as to notify the latter to other devices of the motor vehicle.

Abstract: A light device that makes it possible to detect a short-circuited light-emitting diode in a series assembly of a plurality of such diodes. By taking into account the junction temperature of the diodes, the device and the method associated therewith make it possible to avoid false positive short-circuit detections. The device is also capable of learning the operating parameters necessary to the detection independently and dynamically, which makes it particularly adaptive.

Abstract: A device and a method for controlling the electrical power supply of a plurality of light sources, preferably of light-emitting diodes, or LEDs. The plurality of light sources is divided into at least two groups of light sources. The invention is noteworthy in that it allows the use of a multiphase step-up voltage converter for all the groups of light sources, whereas the measurements of the input currents for each of the phases of the converter give a reliable indication of the level of power required by one of the groups being powered.

Abstract: A device and a method for controlling the electrical power supply of a plurality of light sources, preferably of light-emitting diodes, or LEDs. The plurality of light sources is divided into at least two groups of light sources. The invention is noteworthy in that it allows the use of a multiphase step-up voltage converter for all the groups of light sources, whereas the measurements of the input currents for each of the phases of the converter give a reliable indication of the level of power required by one of the groups being powered.