Abstract: A lighting module of a motor vehicle signaling device includes a ceramic substrate having opposite first and second faces, and a plurality of selectively activatable light sources mounted on the first face of the ceramic substrate. Each of the first and second faces of the ceramic substrate are provided with at least a first and a second respective interconnection layer. The ceramic substrate comprises a plurality of through holes designed to interconnect the first interconnection layer to the second interconnection layer.

Abstract: A lighting module for a motor vehicle signaling device includes a substrate provided with an electronic circuit on which a matrix arrangement of elementary light sources is mounted, and wall through which light emitted from the light sources can pass. The substrate and/or all or part of the elementary light sources are bonded to the wall.

Abstract: A motor vehicle signaling device light module includes a substrate on which a matrix arrangement of elementary light sources is mounted, a connector fixed to the substrate having a rectangular footprint with a long side and a narrow side, and a support designed to hold the substrate in position in the signaling device. The substrate is curved around an axis of curvature, and the light sources are arranged to produce a convex display from the point of view of a user outside of the vehicle, so that the long side of the connector is substantially parallel to the axis of curvature.

Abstract: A lighting device for a motor vehicle, including an illuminated screen having a plurality of light sources arranged in a matrix on a substrate having a plurality of electrical interconnecting tracks that extend between the light sources. The substrate includes a first protective layer which is disposed between the light sources and has a first albedo, and a second protective layer which is disposed between the light sources and has a second albedo that is greater than the first albedo, the second layer defining a logo.

Abstract: The invention relates to a matrix light source comprising a plurality of elementary light sources with light-emitting semiconductor elements, and a common substrate that is in contact with an integrated circuit. The integrated circuit is configured to delay, for a predetermined duration, the light-up of the elementary sources, upon receiving a light-up command.

Abstract: A lighting module for a motor vehicle signaling device includes a substrate provided with an electronic circuit on which a matrix arrangement of elementary light sources is mounted, and wall through which light emitted from the light sources can pass. The substrate and/or all or part of the elementary light sources are bonded to the wall.

Abstract: A motor vehicle signaling device light module includes a substrate on which a matrix arrangement of elementary light sources is mounted, a connector fixed to the substrate having a rectangular footprint with a long side and a narrow side, and a support designed to hold the substrate in position in the signaling device. The substrate is curved around an axis of curvature, and the light sources are arranged to produce a convex display from the point of view of a user outside of the vehicle, so that the long side of the connector is substantially parallel to the axis of curvature.

Abstract: A lighting module of a motor vehicle signaling device includes a ceramic substrate having opposite first and second faces, and a plurality of selectively activatable light sources mounted on the first face of the ceramic substrate. Each of the first and second faces of the ceramic substrate are provided with at least a first and a second respective interconnection layer. The ceramic substrate comprises a plurality of through holes designed to interconnect the first interconnection layer to the second interconnection layer.

Abstract: The invention proposes a lighting device for a motor vehicle comprising a matrix light source that performs a lighting function within the motor vehicle. The same source is used, together with a photodiode, to estimate the time of flight of captured light pulses initially generated by the matrix source. It becomes possible to detect objects and/or gestures using light in the visible spectrum, and without having to use specific pulse sources dedicated for this purpose.

Abstract: The invention relates to a light device for a motor vehicle, comprising a matrix light source having a matrix of elementary light sources with an electroluminescent semiconductor element. Each elementary light source has an emitting surface that is less than or equal to 0.2 mm2. The measures proposed by the invention allow such a matrix light source to be powered without any risk of damage due to overheating of the semiconductive junctions of the elementary light sources that make up the light source.

Abstract: The invention relates to a matrix light source having a plurality of elementary light sources with a light-emitting semiconductor element and an integrated circuit which includes the control logic pertaining to the elementary light sources of the matrix. The architecture of the light source is adjustable in that during production the size of the integrated circuit can be adapted to house matrices of different sizes using a repeatable structure.

Abstract: The invention relates to a light device for a motor vehicle, comprising a matrix light source having a matrix of elementary light sources with an electroluminescent semiconductor element. Each elementary light source has an emitting surface that is less than or equal to 0.2 mm2. The measures proposed by the invention allow such a matrix light source to be powered without any risk of damage due to overheating of the semiconductive junctions of the elementary light sources that make up the light source.

Abstract: The invention relates to a matrix light source comprising a plurality of elementary light sources with light-emitting semiconductor elements, and a common substrate that is in contact with an integrated circuit. The integrated circuit is configured to delay, for a predetermined duration, the light-up of the elementary sources, upon receiving a light-up command.

Abstract: The invention proposes a matrix light source having a plurality of elementary light sources with light-emitting semiconductor elements, and a common substrate in contact with an integrated circuit. The integrated circuit allows a brightness setpoint to be stored for each elementary light source of the matrix source, and comprises a circuit for managing the power supply for each source, allowing the brightness setpoint to be implemented without needing other external controls.

Abstract: The invention proposes a lighting device for a motor vehicle comprising a matrix light source that performs a lighting function within the motor vehicle. The same source is used, together with a photodiode, to estimate the time of flight of captured light pulses initially generated by the matrix source. It becomes possible to detect objects and/or gestures using light in the visible spectrum, and without having to use specific pulse sources dedicated for this purpose.

Abstract: A light source intended to be supplied with power by a voltage source. The light source includes a parallel assembly of at least two branches, each branch including at least one elementary light source having an electroluminescent semiconductor element, and each of the elementary light sources has a high internal series resistance.

Abstract: A method of managing the power dissipated by an electroluminescence light source including electroluminescent rods having submillimeter dimensions protruding from a substrate and split into a plurality of identical groups. By using the measures of the invention, it becomes possible to manage the dissipation of power from the light source when faced with instantaneous variations in the strength of the electric current that powers the latter.

Abstract: A support for one or more light sources for a lighting and/or light-signaling module for an automotive vehicle, comprising a substrate made of heat-conducting material, preferably made of a metal material, at least one light source of light-emitting diode type with one face for mounting on the substrate, in thermal contact with the latter and a circuit for controlling the electrical power supply of the one or more light sources. The circuit for controlling the power supply is electrically connected to the one or more light sources by means of metal wires that are soldered to the surface using the technique commonly referred to as “wire/ribbon bonding”. A method for assembling such a support.

Abstract: The invention notably relates to a light-emitting module of a terrestrial vehicle having at least one semiconductor light source including a mostly semiconductor material substrate, the substrate having a first face and a second face. The light source further includes electroluminescent elements with submillimeter dimensions extending from the first face of the substrate, and at least one heatsink cooperating with the second face of the substrate to evacuate the heat produced by the light source. The invention therefore offers an improved light-emitting module for terrestrial vehicles.

Abstract: A light source intended to be supplied with power by a voltage source. The light source includes a parallel assembly of at least two branches, each branch including at least one elementary light source having an electroluminescent semiconductor element, and each of the elementary light sources has a high internal series resistance.