LIGHT AND/OR SIGNALLING DEVICE WITH LIGHT EMITTING DIODES FOR MOTOR VEHICLES
First Claim
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1. A lighting and/or signalling device for a motor vehicle, comprising a housing comprising:
- a plurality of light emitting diodes mounted on a movable mounting plate and forming an orientable light source, at least one cooling device for cooling the said plurality of light emitting diodes, wherein at least one cooling device comprises;
at least one first fixed heat sink, preferably situated partially in the vicinity of a cold spot of the vehicle;
at least one second movable heat sink mounted in the vicinity of the diodes; and
at least one means for effecting a forced air convection between the first heat sink and the second heat sink.
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Abstract
The invention concerns a lighting and/or signalling device for motor vehicles comprising a housing equipped with a plurality of light emitting diodes mounted on a movable plate, at least one device for cooling the said diodes, comprising at least one first fixed heat sink, at least one second movable heat sink, and at least one means for effecting a forced air convection between the first radiator or heat sink and the second radiator or heat sink.
23 Citations
22 Claims
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1. A lighting and/or signalling device for a motor vehicle, comprising a housing comprising:
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a plurality of light emitting diodes mounted on a movable mounting plate and forming an orientable light source, at least one cooling device for cooling the said plurality of light emitting diodes, wherein at least one cooling device comprises;
at least one first fixed heat sink, preferably situated partially in the vicinity of a cold spot of the vehicle;
at least one second movable heat sink mounted in the vicinity of the diodes; and
at least one means for effecting a forced air convection between the first heat sink and the second heat sink. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A lighting or signaling device for use on a vehicle, said lighting or signaling device comprising:
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a housing having a movable mount;
a plurality of light emitting diodes mounted on said movable mount; and
a plurality of cooling elements associated with said plurality of light emitting diodes for facilitating cooling said plurality of light emitting diodes. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21, 22)
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Specification