Abstract: The invention relates to a method for controlling the illumination of at least one light source arranged at an end of at least one at least partially transparent or translucent light guide, the method being implemented by a driver device for driving the light source. According to the invention, the driver device is configured to control the illumination of the light source by means of pulse-width modulation and the method includes a first phase in which the illumination of the light source is controlled according to a first control ramp until a first level of intermediate lighting of the light source is reached and a second phase in which the illumination of the light source is controlled according to a second control ramp until a second level of lighting of the light source is reached, the slopes of the first and second control ramps being separate.

Abstract: The invention relates to a lighting module, in particular for a motor vehicle, including a main optical system able to form a main light beam along an optical axis of the lighting module, with an upper horizontal cut-off. A first complementary optical system able to form a first complementary light beam along the optical axis, narrower than the main light beam and with an oblique lateral cut-off. A second complementary optical system able to form an alternative, second complementary light beam along the optical axis, narrower than the main light beam and with an oblique lateral cut-off opposite the oblique lateral cut-off of the first complementary light beam.

Abstract: A method for detecting an object in a road surface. The method includes projecting a light pattern on the road surface, acquiring an image of the projected light pattern, detecting a shadow in the acquired image and using some features of the shadow to obtain information about features of an object. The invention also provides a method for autonomous driving using this object detection and an automotive lighting device.

Abstract: The present invention relates mainly to a lighting and signalling device including at least one luminous module capable of generating a lighting beam along a longitudinal optical axis and an optical element through which the lighting beam is projected. The lighting and signalling device includes a controllable liquid-crystal screen pressed against the optical element, the controllable liquid-crystal screen being capable of adopting different diffusion states, including at least one state of projection of the lighting beam in which the controllable liquid-crystal screen is transparent and a state of emission of a signalling beam in which the controllable liquid-crystal screen is at least partially diffusing.

Abstract: A light system including a first light source, a second light source, a first drive device configured to supply a first pulse-width modulation current for supplying power to the first light source, the first current including a first peak intensity and a first duty cycle, a second drive device configured to supply a second pulse-width modulation current for supplying power to the second light source with the second current comprising a second peak intensity and a second duty cycle, a control module generating a first control signal and a second control signal for the first control device and the second control device. The first peak intensity being lower than the second peak intensity, and the first duty cycle is higher than the second duty cycle.

Abstract: The invention relates to a vehicle assembly for a vehicle, with the vehicle assembly including a radar sensor configured to transmit/receive radar waves. The radar sensor being placed facing a layer assembly. The layer assembly includes at least two dielectric layers, these dielectric layers including a primary layer and a secondary layer separated by a layer of air. The layer of air has a thickness equal to (m3×(?/2))/cos(?3), with ?3 an angle of incidence of exiting reflected waves striking the secondary layer and m3=1, . . . to N, N being an integer, the exiting reflected waves deriving from radar waves transmitted by the radar sensor.

Abstract: The invention relates to a lighting device with a grid bounding a plurality of light cells arranged in a two-dimensional array. Each light cell being associated with a light source that can be selectively controlled so as to be turned on or turned off, in order to be able to generate a light-based pictogram on the two-dimensional array. The grid bears against a support for the light sources and is held in place by mechanical clamping by means of a closing lens secured to the support. During assembly, the grid is slightly compressed in order to be held in place. For this, the grid is formed of a material that has a Shore hardness of less than 90, so as to be flexible and allow such compression and/or deformation.

Abstract: The invention presents an electronic assembly for an automotive luminous device (10) comprising a light source (1), a driver (3) to control the light source (1) and an input protection circuit (2). The input protection circuit (2) is arranged between the power supply and the light source (1) and comprises a protection input (21) and a protection output (22). The protection input (21) and the protection output (22) are connected by the interposition of a resistor group comprising a resistor (23) and a diode (24) connected in series. A node between the protection input (21) and the resistor group is connected to the ground through a first capacitor (25) and a node between the resistor group and the protection output (22) is connected to the ground through a second capacitor (26).

Abstract: The invention relates to a luminous device of an automotive vehicle, including at least one luminous module. The luminous module includes a plurality of light sources able to emit light and at least one collector with a reflective surface arranged to collect and reflect the light emitted by the plurality of light sources into a light beam. A lens associated with the luminous module, arranged to project the light beam reflected by the collector. The lens being arranged to form on the road an image of the reflective surface of the collector. At least one transparent or translucent diaphragm having an incidence face capable of receiving part of the light beam reflected by the collector of the luminous module and arranged to refract the received part in a direction deviating from the lens.

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 present invention provides a desiccant holding means for a vehicle lamp. The desiccant holding means includes a cover and a main body for holding a desiccant. The main body is sunk into the vehicle lamp from a lamp housing to form a holding space for the desiccant, the cover closes an opening of the main body, and a position-fixing structure for the desiccant is formed on the main body. The present invention further relates to a vehicle lamp and a motor vehicle.

Abstract: A vehicle including a radar sensor and an arrangement of layers placed facing the radar sensor and configured to perform a luminous function, including a first sub-assembly of at least one layer that is reflective in the visible domain, each layer having a primary refractive index and a primary thickness, and a second sub-assembly of at least one layer that is transparent in the visible domain, each layer having a secondary refractive index, the primary refractive index being high with respect to the secondary refractive index, with the total thickness of the first sub-assembly of layers is dimensioned so that there is a phase shift of ? modulo 2? between the waves of the radar waves incident on the outer face of the first sub-assembly and the waves reflected by the interface between the first sub-assembly and the second sub-assembly as they exit the first sub-assembly.

Abstract: The invention relates to a lighting device including a first row of light sources, an optical axis, a first lens including a first output diopter with a first lower portion having a first curvature and a first upper portion having a second curvature, and a second lens including a second input diopter with a second lower portion having a third curvature and a second upper portion having a fourth curvature. The first curvature is different from the second curvature and is configured to produce a greater spread of the light rays than the spread produced by the second curvature, and/or the third curvature is different from the fourth curvature and is configured to produce a greater spread of the light rays than the spread produced by the fourth curvature.

Abstract: A design of a bridging connector, a connection assembly, a vehicle lamp, and a vehicle. The bridging connector is used to connect circuit board components arranged on a carrier, and the circuit board component is provided with electrical contact holes and has a board surface. The bridging connector includes a housing with contact surfaces and contact bodies arranged in the housing. In the installed state, the contact surfaces are in contact with the board surface, and the contact bodies are located in the electrical contact holes in a manner of being in contact with the electrical contact holes. The housing is provided with guide holes, and the guide holes cooperate with guide pins provided on the carrier so that the contact bodies occupy a predetermined position with respect to the electrical contact holes.

Abstract: The present invention pertains to urethane based polymer coatings with the objective of enhancing the hardness characteristics of light-transmissive polymeric mediums, particularly to applied lenses in automotive lighting. An automotive lighting product of a polyurethane-based (PUR) formulation is derived from an in-mold process that applies thermal cure and ultra-violet (UV) cure processes, as a dual-cure combination, which results in enhanced abrasion and scratch resistance performance that extends lighting product longevity. The PUR-based polymer formulation can reduce pollutant emissions, scrap and waste in the field of the automotive lighting art.

Abstract: The present invention pertains to enhancing reflector component production from low-grade or recyclable plastics containing porous or irregular surfaces by using urethane-based (PUR) formulations or film coatings with the objective of enhancing the surface finish of substrate mediums, particularly for the metallization or reflective deposition of parts in automotive lighting. A reflector and lighting component product of urethane-based formulations is derived from an in-mold process, which results in enhanced substrate surface preparation for reflective material deposition and the improvement of light reflectivity performance along remediated surfaces.

Abstract: The present invention relates to precise positioning of a reflector unit on a printed circuit board. The printed circuit board includes reference mark(s) provided at predefined relative location(s) and/or orientation(s) with respect to light source(s). The reflector unit includes positioning hole(s) formed at predefined relative location(s) and/or orientation(s) with respect to reflective portion(s). The positioning hole(s) of the reflector unit corresponds to the reference mark(s) of the printed circuit board. The reference mark is properly aligned with the corresponding positioning hole to properly position the reflector unit on the printed circuit board. A detection unit is used to detect, monitor, and verify the alignment between the reference mark and the positioning hole. The proper alignment of the reference mark with the corresponding positioning hole ensures precise relative positioning of the light source with the corresponding reflective portion.

Abstract: The invention relates to a vehicle assembly including a radar sensor configured to emit radar waves over a range of wavelengths, a luminous module. The luminous module including a sub-layer and a layer of patterns forming a sub-wavelength structured dielectric element with a repetition period of the patterns that is less than a quarter of a wavelength of the range, with the total thickness of the luminous module is equal to m times a wavelength of the range, the whole being divided by twice the equivalent refractive index of the sub-layer and of the layer of patterns, times the cosine of a refracted angle corresponding to an angle of incidence of the radar waves, where m is an integer.

Abstract: One aspect of the invention relates to a method for optimizing illumination in a junction region (202) between a plurality of vehicles (200-1, 200-2) emitting a light beam (201-1, 201-2), comprising ·Estimating a time interval in which each vehicle (200-1,A1 200-2) will be in the junction region (202); ·Estimating the illumination in the junction region (202) at any given time in the estimated time interval; ·If there is a region of overlap (2021) in which the estimated illumination corresponds to superposition of a plurality of light beams (201-1, 201-2): *Determining, via communication between the plurality of vehicles (200-1, 200-2) and on the basis of a set of parameters that are each relative to the consumption of one vehicle (200-1, 200-2), at least one action to be taken by a vehicle (200-1, 200-2) on its light beam (201-1, 201-2); *Taking each determined action in the junction region (202).

Abstract: The invention relates to a light device configured to perform a high-mount stop light function and includes a housing configured to receive optical modules, an optical module support fixed to the housing, a primary optical module configured to perform the high-mount stop light function, a secondary optical module configured to perform a function of projecting a light pattern onto a reflection surface, an output lens with a pattern and configured to close the housing. The primary optical module is a cylindrical light guide configured to cooperate with primary light rays generated by at least one primary light source, and the secondary optical module includes a first electronic support and at least one secondary light source configured to generate secondary light rays.