Abstract: The object of the invention is a device supporting a power light-emitting diode for an automobile signalling or lighting system, comprising an insulating support and means of electrical connection to the electrodes of the diode. The electrical connection means comprise, on the insulating support, electrical connection lugs; the body of the light emitting diode is fixed to an area of a heat-radiating element; this heat-radiating element is attached to the insulating support, and the electrodes of the diode are insulated from the heat-radiating element and electrically connected to the connecting lugs of the insulating support by tongues insulated from the radiating element after the breakage of temporary fasteners.

Abstract: Method of fixing a power light-emitting diode (1) having a metallic base (2) to a metallic heat-radiating element (3), according to which the base (2) of the light-emitting diode is fixed to the radiating element (3) by laser spot welding (11).

Abstract: An indicator lamp for a motor vehicle includes a plurality of light sources, and a plurality of linking elements. The lamp includes components that straighten out the light emitted by the light sources so that the light is propagated in a direction essentially parallel to a general direction of emisssion. These components include multiple first elements and a second element. East first element corresponds to one of the plurality of light sources. The first elements are able to distribute the light in a plane essentially perpendicular to the general direction of emission, in an essentially uniform way onto the second element. The second element is able to straighten out the incident light towards the general direction of emission.

Abstract: The invention proposes an indicator lamp (10), comprising an optical axis (A-A) oriented from the rear to the front, on which there is a light source (14) which is provided for emitting a light flux towards the front, and of the type comprising an optical device for recovering and distributing the rays of light emitted by the source, with a view to providing an indicating function that meets the regulations, characterized in that the optical device comprises a coaxial annular reflector and, in front of the light source (14), a central optical part known as the light engine (22) which is provided for distributing the rays of light emitted by the source (14) in directions that are generally transverse about the optical axis (A-A), towards the coaxial annular reflector that is provided for distributing the rays of light axially towards the front.

Abstract: The invention relates to an indicating and/or lighting device for a motor vehicle, said device comprising a casing inside which there are arranged at least one main light source, at least one reflector associated with the main light source(s), optionally at least one intermediate screen that is substantially transparent and lies opposite said main light source or at least one of said main light sources, and a closing covering for the casing. At least one of the faces of the closing covering and/or of the optional intermediate screen is provided with a plurality of foci for diffusing light by means of surface alterations of said face.

Abstract: The invention proposes an indicator light, in particular for a motor vehicle. The indicator light includes a central optical axis, a light source and a solid optical piece. The solid optical piece includes at least (1) an input face whose generatrix lies in a direction substantially parallel to the optical axis, (2) a rear reflection face whose generatrix lies in a direction substantially inclined towards the front, and (3) a front exit face. The exit face is formed by a series of elementary distribution dioptric elements, each of which is designed to form an elementary light beam whose image, on a screen placed in front of the indicator light, corresponds to the indicating function to be fulfilled.

Abstract: The object of the invention is a device supporting a power light-emitting diode for an automobile signalling or lighting system, comprising an insulating support (2) and means of electrical connection to the electrodes (1a, 1b) of the diode (1). The electrical connection means comprise, on the insulating support (2), electrical connection lugs (17a, 17b); the body of the light-emitting diode (1) is fixed to an area of a heat-radiating element (8); this heat-radiating element (8) is attached to the insulating support (2), and the electrodes (1a, 1b) of the diode are insulated from the heat-radiating element and electrically connected to the connecting lugs (17a, 17b) of the insulating support by tongues (12a, 12b) insulated from the radiating element (8) after the breakage of temporary fasteners (13).

Abstract: The invention proposes an indicator light, in particular for a motor vehicle, of the type comprising a central optical axis, a light source and a solid optical piece, at least partly of revolution, which comprises at least:

Abstract: The present invention relates to an indicator lamp for a motor vehicle comprising a plurality of light sources (10) and optical processing means (16, 18, 20) able to straighten out the light emitted by the light sources (10) so that it is propagated in a direction essentially parallel to a general direction of emission (X), the optical processing means (16, 18, 20) comprising, in association with each source (10), a first element (12, 16, 18) able to distribute the light in a plane (YZ) essentially perpendicular to the general direction of emission (X), in an essentially uniform way onto a second, generally plate-shaped, element (14, 20) able to straighten out the incident light towards the said general direction of emission (X).

Abstract: An optical component has working surfaces separated by neutral surfaces which constitute discontinuities between the working surfaces. The component is made by a method which comprises: forming, in a mould, surfaces complementary to the working and neutral surfaces of the component; and moulding the component on these surfaces of the mould.

Abstract: An indicator light comprises a source, an optical plate adapted to straighten out the incident light towards an average direction generally parallel to an optical axis, and a flux-distributing and recuperating cup interposed between the source and the plate in order to distribute the light over the inner surface of the plate. According to the invention, the optical plate has a height and a width of the same order of magnitude and possesses optical configurations having varied coefficients of transmission of the light, and the cup provides a given distribution of the light, both in the horizontal direction and in the vertical direction, which takes account of said coefficients. As a result, an illumination is obtained at the exit from said plate which is essentially constant in the horizontal direction as well as in the vertical direction.

Abstract: A rear indicating light for a motor vehicle comprises a light source, a bonnet in front of the light source, and an optical plate in front of the bonnet. The bonnet has means for distributing essentially uniformly the radiation it receives from the light source, over at least part of the surface of the flat optical plate, which is formed with striations to align the radiation along the optical axis. These striations are grouped in at least one discrete zone on the surface of the plate, the remainder of this surface consisting of at least one optically neutral zone, while the distributing means are adapted to distribute at least some of the radiation from the light source towards the discrete striated zones.

Abstract: An indicator light for a motor vehicle includes a lamp, a reflector, a cover lens, and a screen placed between the lamp and the cover lens so as to mask the lamp. The reflector has a set of deflecting panels or facets, adjacent to each other and arranged to generate a plurality of secondary light sources visible within a given field of observation.Each deflecting panel comprises a central zone having a contour, projected orthogonally on the optical axis, which is generally rectangular with horizontal and vertical sides and adapted to cover the whole field of illumination, together with at least one pair of peripheral zones with oblique sides, smoothly extending the central zone on two opposed sides of the central zone. The peripheral zones together also cover the whole field of illumination. Each deflecting panel reveals at least two virtual light sources within a given field of observation, when viewed from any angle within that field.

Abstract: An indicating display for a motor vehicle has an optical collimating element associated with a support element carrying an array of electroluminescent diodes. The collimating element has a rear face which is engaged by the electroluminescent diodes and which is formed in steps into which through holes, each associated with a respective diode, are open.

Abstract: A lighting and/or indicating apparatus for a motor vehicle, of the type comprising an external light transmitting element and a base arranged behind the latter, typically consists of a lighting and indicating cluster. The light transmitting element comprises an outer panel, the base comprises an inner wall, and the two walls together constitute a thin gas-tight envelope and define at least one closed cavity. This cavity, or each cavity, contains two electrodes and a suitable gas under low pressure, the apparatus having means for applying voltage for starting and maintaining a luminescent gas discharge in the cavity, so that the envelope itself constitutes at least one light of the gas discharge type. The appearance and light output are improved, and the light beams emitted are highly homogeneous.

Abstract: An indicator light unit for a motor vehicle comprises a support element, at least one cover element, and at least one light emitting diode (LED), having a body, arranged between the support element and the cover element. The light unit comprises at least one elementary module having a frame, carrying at least one LED, the cover element being fixed to the frame. The frame comprises: an aperture associated with each LED for passage of the light emitted by the LED, each of the latter being located in line with a corresponding one of these apertures, the cover element or elements being in facing relationship with these apertures; and means for fixing the module on the support element.

Abstract: A signalling light for a motor vehicle having a plurality of individual light-emitting diodes co-operating with optical arrangements, a common inner plate, a common outer plate, and closure cover situated outside the outer plate. The signalling light further having a plurality of elongate printed circuits on which the respective light-emitting diodes are mounted and wherein the inner plate has means for mounting the printed circuits parallel to one another to provide for a block of signalling lights.

Abstract: An indicating light unit for a motor vehicle has a support plate, an optic extending along the support plate, and a plurality of elementary luminous modules each comprising a light emitting diode. Each module comprises at least one light emitting diode mounted on a frame and covered with a cover element, the modules being juxtaposed to each other in predetermined positions on the support plate and being connected electrically to a common electrical supply source. The unit is of low thickness and gives a homogeneous light field.