Abstract: A lighting device for projecting an image onto the ground around a motor vehicle. The lighting device includes a light source capable of producing a light beam, a first mask with a first pattern and a second pattern, the first mask being movable between a first position and a second position, a second mask with a third pattern and a fourth pattern, the second mask being movable between a first position and a second position, an actuator configured to move the first mask between its first position and its second position, and a drive means configured to optionally move the second mask between its first position and its second position at the same time as the first mask.

Abstract: One aspect of the invention relates to a light device for a motor vehicle. The light device includes a plurality of light modules that emit pulsed visible light, which is modulated by means of a high-frequency light code, each light module includes at least one driver circuit controlling multiple light-emitting diodes, and a device for receiving the light emitted by each of the light modules once the light has been reflected off an object, wherein each light-emitting diode is connected to the driver circuit by a conductive track, the conductive tracks connecting each of the light-emitting diodes to the driver circuit, each one of which light-emitting diodes includes the same length of conductive track to ensure synchronous control of the light-emitting diodes by the driver circuit. Another aspect of the invention relates to a driver assistance system for a motor vehicle, the system comprising at least one such light device.

Abstract: One aspect of the invention relates to a light device for a motor vehicle. The light device includes a plurality of light modules emitting pulsed visible light, which light is modulated by means of a high-frequency light code, each light module includes at least two sectors each grouping a plurality of light-emitting diodes around a driver circuit, and a device for receiving the light emitted by each of the light modules after it has reflected off an object, wherein the light module includes a delay-locked loop connected to the driver circuit of each of the sectors to ensure synchronization of the driver circuits. Another aspect of the invention relates to a driver assistance system of a motor vehicle, the system comprising at least one such light device.

Abstract: The invention relates to a light system. The light system includes an emitting module that includes a light module capable of emitting a light beam that produces a flashing photometric function and a modulation unit arranged to modulate the emitted light beam on the basis of a modulating data sequence, a receiving module capable of receiving a light beam, and a computing unit arranged to generate modulating data sequences having different duty cycles in order to emit different modulated light beams during each active and inactive phase. The computing unit being arranged to determine a time of flight separating the emission of the first or of the second emitted modulated light beam from the reception of a light beam received by the receiving module.

Abstract: The invention relates to a lighting system of a motor vehicle. The lighting system includes an emission module having a lighting module and a modulation unit, a reception module for receiving a light beam. The lighting system also includes a calculation unit for receiving a first instruction for emitting a first photometric function, the calculation unit being arranged to generate a first modulating data sequence having a first duty factor, and in that the calculation unit is able to receive a second instruction for emitting a given second photometric function and is arranged to generate a second modulating data sequence having a second duty factor that differs from the first duty factor.

Abstract: The present invention relates to a lighting system for a vehicle. The lighting system includes a front left lighting device and a front right lighting device each able to project a lighting beam, means for emitting a high-frequency coded luminous signal outside the vehicle, and means for receiving such a luminous signal. The lighting system includes a luminous device arranged on the vehicle between the lighting devices, obstacle detection means, and means for decoding a luminous signal received by the luminous device, able to provide at least one value representing a time shift between the luminous signal received by the luminous device and a luminous signal sent by the luminous device to the obstacle detection means.

Abstract: The invention relates to a luminous device, such as one for a motor vehicle. The luminous device including at least one lighting module suitable for projecting light rays in order to carry out a lighting function and also including a luminous module with a flexible guide sheet suitable for receiving light rays and for reflecting the light rays in a direction substantially normal to a surface of the flexible guide sheet, at least one light injection element suitable for receiving light and distributing the light in the flexible guide sheet and at least one light source suitable for injecting light into the light injection element. The luminous module is arranged such that the light rays from the lighting module pass through the flexible guide sheet, and the light source is activated when the lighting module is deactivated.

Abstract: The invention relates to a method for controlling a pixelated light source for a motor vehicle. The method makes it possible to prevent thermal runaway and premature ageing of the elementary pixels of the source independently of the projected light levels. By dynamically adapting the electric current intensities at the elementary light sources, the control method provides protection for the semiconductor junctions of the pixels of the pixelated light source in order to increase their lifespan and avoid visible defects in a beam projected onto the road due to thermal runaway or premature ageing of the semiconductor junctions.

Abstract: The invention relates to a lighting module including an assembly of at least one flexible guide sheet, each flexible guide sheet of the assembly being suitable for receiving light rays at an edge of the flexible guide sheet and for reflecting the light rays in a direction substantially normal to a surface of the flexible guide sheet according to at least one pattern etched in the flexible guide sheet. The assembly is suitable for returning light according to a first pattern and a second pattern. The module includes a first and a second light injection element suitable for distributing light in the assembly of at least one flexible guide sheet. At least one light source is suitable for selectively injecting light into the first and second light injection elements so as to form the first pattern or the second pattern.

Abstract: A lighting device for projecting an image onto the ground around a motor vehicle. The lighting device includes a light source capable of producing a light beam, a first mask with a first pattern and a second pattern, the first mask being movable between a first position and a second position, a second mask with a third pattern and a fourth pattern, the second mask being movable between a first position and a second position, an actuator configured to move the first mask between its first position and its second position, and a drive means configured to optionally move the second mask between its first position and its second position at the same time as the first mask.

Abstract: The invention relates to an image projection device. The image projection device including a luminous source for emitting light rays, an image formation module including a reflection assembly which is able to reflect light rays from the luminous source as a reflected beam, an optical projection system which is placed in the path of the reflected beam and is able to project an image formed by the image formation module. The reflection assembly includes a multilayer structure including a substrate, a metal layer and a layer of electrochromic material including at least one cell, the at least one cell being encapsulated in an electrolyte layer and connected to a pair of electrodes. The image projection device further includes an electrical control circuit which is able to vary a voltage applied to the pair of electrodes so as to vary a color of the at least one cell.

Abstract: The invention relates to interior equipment for a motor vehicle, the equipment including an outer surface on which a lighting luminous module is arranged. The lighting luminous module includes an assembly of at least one flexible guide sheet, each flexible guide sheet of the assembly being suitable for receiving light rays at least at one edge of the flexible guide sheet and for reflecting the light rays in a direction substantially normal to a surface of the flexible guide sheet according to at least one pattern etched in the flexible guide sheet. The lighting luminous module also includes at least one light injection element suitable for receiving light and distributing the light in the assembly of flexible guide sheets and at least one light source suitable for injecting light into the light injection element.

Abstract: The invention relates to a lighting module including an assembly of at least one flexible guide sheet, each flexible guide sheet of the assembly being suitable for receiving light rays at an edge of the flexible guide sheet and for reflecting the light rays in a direction substantially normal to a surface of the flexible guide sheet according to at least one pattern etched in the flexible guide sheet. The assembly is suitable for returning light according to a first pattern and a second pattern. The module includes a first and a second light injection element suitable for distributing light in the assembly of at least one flexible guide sheet. At least one light source is suitable for selectively injecting light into the first and second light injection elements so as to form the first pattern or the second pattern.

Abstract: The invention relates to an exterior device for a motor vehicle. The device includes an outer surface on which a luminous module is arranged. The luminous module includes an assembly of at least one flexible guide sheet, each flexible guide sheet of the assembly being suitable for receiving light rays at least one edge of the flexible guide sheet and for reflecting the light rays in a direction substantially normal to a surface of the flexible guide sheet according to at least one pattern etched in the flexible guide sheet. The luminous module also includes at least one light injection element suitable for receiving light and distributing the light in the assembly of flexible guide sheets and at least one light source suitable for injecting light into the light injection element.

Abstract: The invention relates to a luminous device for an automotive vehicle. The luminous device includes at least one lighting module capable of projecting light rays in order to perform a lighting function, a luminous module, and a control element. The luminous module is at least partially transparent and is arranged so that light rays emitted by the lighting module pass through it, and the control element is capable of activating the luminous module when the at least one lighting module is deactivated.

Abstract: The invention relates to a method for controlling a pixelated light source for a motor vehicle. The method makes it possible to prevent thermal runaway and premature ageing of the elementary pixels of the source independently of the projected light levels. By dynamically adapting the electric current intensities at the elementary light sources, the control method provides protection for the semiconductor junctions of the pixels of the pixelated light source in order to increase their lifespan and avoid visible defects in a beam projected onto the road due to thermal runaway or premature ageing of the semiconductor junctions.