Semiconductor light engine for automotive lighting

F - Mech Eng,Light,Heat,Weapons – 21 – V

Patent

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Details

F21V 8/00 (2006.01) B60Q 1/04 (2006.01) H01L 23/34 (2006.01) H01L 33/00 (2006.01)

Patent

CA 2632044

A light engine for an automotive lighting system includes at least one substrate and a plurality of semiconductor light sources mounted to each of the at least one substrate. Each adjacent semiconductor light source is spaced from each other adjacent semiconductor light source on the substrate to enhance cooling of the semiconductor light sources during operation thereof. The light engine further includes at least one transfer device operable to receive light emitted by the semiconductor light sources on the at least one substrate and to transfer the received light to at least one location spaced from the substrate, wherein the transfer device comprises at least one light pipe, each light pipe has a receiving end to receive light emitted from a semiconductor light source and an emitting end to emit the received light.

Le moteur de lumière selon l~invention pour un système d~éclairage automobile comprend au moins un substrat et une pluralité de sources de lumière semi-conductrices montées sur le ou les susbtrat(s). Chaque source de lumière semi-conductrice adjacente est séparée de chacune des autres sources de lumière semi-conductrices adjacentes sur le substrat pour améliorer le refroidissement des sources de lumière semi-conductrices pendant leur fonctionnement. Le moteur de lumière comprend en outre au moins un dispositif de transfert pouvant fonctionner comme récepteur de la lumière émise par les sources de lumière semi-conductrices sur le ou les substrat(s) et comme transmetteur de la lumière reçue vers au moins une position séparée du substrat, le dispositif de transfert comprenant au moins un conduit de lumière, chaque conduit de lumière comportant une extrémité de réception servant à recevoir la lumière émise par une source de lumière semi-conductrice et une extrémité réceptrice servant à émettre la lumière reçue.

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