Abstract: The system (21) includes: a power transistor (22), a data medium (60) including data relating to the manufacturing tolerance (Tol) of at least one electric parameter of the transistor (22), an electric circuit (26) for controlling the transistor adapted so as to operate for a reference value of the parameter (VREF), an electric circuit (64) having an inductance of less than 100 nH and such that the assembly (70) formed with the circuit (64) and the transistor (22) has a value for the parameter, for which the deviation in absolute with the reference value is strictly less than the manufacturing tolerance (Tol).

Abstract: A light source support on a first printed circuit for a lighting and/or signalling module, comprising a first housing intended to accommodate the first printed circuit and presenting an opening for the light source; means of positioning and fixation of the support; and means of positioning of a flexible printed circuit, intended to position the flexible printed circuit in relation to the first printed circuit, so as to link them electrically.

Abstract: The system (21) includes: a power transistor (22), a data medium (60) including data relating to the manufacturing tolerance (Tol) of at least one electric parameter of the transistor (22), an electric circuit (26) for controlling the transistor adapted so as to operate for a reference value of the parameter (VREF), an electric circuit (64) having an inductance of less than 100 nH and such that the assembly (70) formed with the circuit (64) and the transistor (22) has a value for the parameter, for which the deviation in absolute with the reference value is strictly less than the manufacturing tolerance (Tol).

Abstract: An optical module equipping a motor vehicle lighting and/or indicating device, provided with a assembly structure movably assembled on a bracket and means of electrical connection to at least one remote device, wherein the optical module is equipped with an electrical connection device comprising a flexible element integrating electrical conductors, the flexible element is connected between the assembly structure and the bracket such that the points of mechanical connection together produce a freedom of movement limited in space.

Abstract: The device according to the invention comprises a light source and electronic supply and control. The light source electronic supply and control comprises at least one circuit comprising at least one stack of chips formed from at least two power components (IGBTb1, IGBTh1). According to one embodiment, the light source comprises a discharge lamp and the circuit with stacking is a DC/AC converter supplying the discharge lamp. Preferably, the discharge lamp is of xenon type and the circuit with stacking is included in an electronic ballast of the device. In another embodiment, the circuit with stacking is included in an electronic module associated with the discharge lamp and forming therewith a compact assembly.

Abstract: A light source support on a first printed circuit for a lighting and/or signalling module, comprising a first housing intended to accommodate the first printed circuit and presenting an opening for the light source; means of positioning and fixation of the support; and means of positioning of a flexible printed circuit, intended to position the flexible printed circuit in relation to the first printed circuit, so as to link them electrically.

Abstract: An optical module equipping a motor vehicle lighting and/or indicating device, provided with a assembly structure movably assembled on a bracket and means of electrical connection to at least one remote device, wherein the optical module is equipped with an electrical connection device comprising a flexible element integrating electrical conductors, the flexible element is connected between the assembly structure and the bracket such that the points of mechanical connection together produce a freedom of movement limited in space.

Abstract: The invention concerns an electronic module for converting electrical voltage that is intended to supply a light source, which comprises: a horizontal printed circuit card; at least one top connector fixed to the top face of the printed circuit card; an electromagnetic shielding jacket fixed to the connector; characterised in that the jacket comprises a bottom fixing lug that extends horizontally so as to be pressed on the top face of the printed circuit card, the connector being fixed to the card by means of the fixing lug.

Abstract: The present invention concerns an electronic assembly with a heat sink in particular for a discharge lamp control module for a motor vehicle headlight. The electronic assembly with heat sink comprises essentially a printed circuit and a housing able to serve for thermal insulation and/or for electrical insulation and which comprises a heat sink. The heat sink is interposed between at least one face of the printed circuit and a face of the housing, the said heat sink extending over a major part of the face of the printed circuit and comprising an adhesive face for securing it to the printed circuit on the one hand and an adhesive face for securing it to the face of the housing on the other hand.

Abstract: The device comprises at least one power light emitting diode light source and other means able to constitute one or more heat sources of such a nature as to affect the thermal environment of the light emitting diode light source. In accordance with the invention, the device also comprises a support piece formed at least partially from a material based on anisotropic graphite supporting the light emitting diode light source and opposing an effect of the other means on the thermal environment of the light emitting diode light source. According to other characteristics, the support piece comprises at least one thermal dissipation heat sink and the device can comprise a fan able to force a circulation of air through the heat sink.

Abstract: A method for managing a gas discharge lamp in particular for a motor vehicle headlamp. The method is of the type which consists in controlling initial and nominal supply powers of the lamp by means of control signals during the operating phases of the lamp which comprise a start-up phase, an ignition phase and a steady-state phase. The method is wherein the control signals comprise command signals which are generated externally of the ballast and which force each of the supply powers to a value selected from a set of predetermined powers as a function of each of the phases. The method makes it possible for example to manage the different modes defined by the new regulations of the AFS type, and to optimize the service life of the lamp.

Abstract: The invention concerns an electronic module for converting electrical voltage that is intended to supply a light source, which comprises: a horizontal printed circuit card; at least one top connector fixed to the top face of the printed circuit card; an electromagnetic shielding jacket fixed to the connector; characterised in that the jacket comprises a bottom fixing lug that extends horizontally so as to be pressed on the top face of the printed circuit card, the connector being fixed to the card by means of the fixing lug.

Abstract: The present invention concerns a wiring harness end connector for an electronic module or an electronic card. It especially finds application in the case of connection of electronic modules contained in insulating cases, for example for vehicle headlights. An orientation component carried by the first connector or the second connector allows the wiring harness to leave in any orientation relative to the orientation of the connector.

Abstract: A ballast that comprises a DC-DC converter, a DC-AC converter, a lighting voltage generator and a control unit. A difference in voltage between input terminals of the lighting voltage generator is generated by a voltage step-up circuit of the “self-boosting” type from a DC voltage supplied by the DC-DC converter and an auxiliary voltage source V0. The ballast makes it possible to obtain a voltage level V2 that is equal to twice a first voltage level V1 increased by the auxiliary voltage V0.

Abstract: The present invention relates to a method of making supports for light emitting diodes, wherein rigid substrates are used as supports for light emitting diodes, it being proposed, in particular, to render the substrates more fragile in order to make certain zones of a lower layer of the said substrate more flexible so that the substrate is able to deform in the region of the zones thus made flexible, the deformation then taking place without causing the electrical conduction of a top layer, on which the diodes are disposed, to be broken. In one particular embodiment of the invention it is proposed to provide as many rigid substrate plates as there are support planes in the three-dimensional environment, and to connect these various substrate plates together by means of deformable conductive components disposed in accordance with surface mounted component technology.

Abstract: A ballast that comprises a DC-DC converter, a DC-AC converter, a lighting voltage generator and a control unit. A difference in voltage between input terminals of the lighting voltage generator is generated by a voltage step-up circuit of the “self-boosting” type from a DC voltage supplied by the DC-DC converter and an auxiliary voltage source V0. The ballast makes it possible to obtain a voltage level V2 that is equal to twice a first voltage level V1 increased by the auxiliary voltage V0.

Abstract: A headlight apparatus has a lighting element with a connector base disposed in an aperture formed in the lighting element. The connector base has a set of terminals arranged to make contact with a set of electrical contact zones of a complementary module. Each electrical contact zone is so disposed, on a surface portion of an electronic printed circuit of the complementary module, as to be directly accessible for the corresponding terminal.

Abstract: A protective assembly for a printed-circuit electronics card having a metal substrate and a metal screening cover electrically connected to the substrate. The substrate includes a recessed gutter in which the edge of the cover is accommodated. The edge is crimped onto the substrate in the gutter.

Abstract: The device comprises at least one power light emitting diode light source and other means able to constitute one or more heat sources of such a nature as to affect the thermal environment of the light emitting diode light source. In accordance with the invention, the device also comprises a support piece formed at least partially from a material based on anisotropic graphite supporting the light emitting diode light source and opposing an effect of the other means on the thermal environment of the light emitting diode light source. According to other characteristics, the support piece comprises at least one thermal dissipation heat sink and the device can comprise a fan able to force a circulation of air through the heat sink.

Abstract: Lighting or indicating apparatus for a motor vehicle comprises in particular a light emitting element which includes a reflector, a light source, and a casing which defines a set of faces, comprising side, lower and upper faces. There is, optionally, at least one opening formed in at least one of the said faces and having removable obturating means. The lighting or indicating apparatus is adapted to be combined with at least one complementary module with the aid of at least one pair of assembly elements comprising a guiding slide and a projecting element. The projecting element is adapted to be inserted at least into one end of the guiding slide with which it is associated, and to slide in the said guiding slide. Each of the assembly elements of one pair of assembly elements is disposed either on the headlight element or on the module. The two assembly elements in one assembly pair are not both disposed on the light emitting element; nor are they both disposed on the module.