Semiconductor light source element for beam forming

H - Electricity – 05 – B

Patent

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Details

H05B 33/02 (2006.01) B60Q 1/04 (2006.01) B60Q 1/26 (2006.01) F21S 8/10 (2006.01) H01L 33/00 (2006.01)

Patent

CA 2673690

A semiconductor light source element includes a substrate to which at least one semiconductor light source is mounted. An optical body is mounted to the substrate with its light receiving surface located adjacent the light emitting surface of the at least one semiconductor light source. The optical body has a shape and light output surface profile which are selected to produce a desired beam pattern with the light emitted by the at least one semiconductor light source. When two or more semiconductor light sources are employed in the semiconductor light source element, the light sources can be positioned at different locations about the light receiving surface to emit light from the front edge of the optical body in correspondingly diverse patterns.

L'invention porte sur un élément de source de lumière à semi-conducteur comportant un substrat sur lequel est montée la source de lumière à semi-conducteur. Un corps optique est monté sur le substrat avec sa surface recevant la lumière contiguë à la surface photoémettrice d'au moins une des sources de lumière à semi-conducteur. Le corps optique a une forme et un profil de surface photoémettrice choisis pour produire le motif de faisceau désiré avec la lumière émise par au moins une des sources de lumière à semi-conducteur. Quand deux sources de lumière à semi-conducteur ou plus sont utilisées dans l'élément de source de lumière à semi-conducteur, les sources de lumière peuvent être placées dans des emplacements différents autour de la surface recevant la lumière pour émettre de la lumière depuis le bord avant du corps optique avec les différents motifs correspondants.

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