Led array vehicle lamp

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

Patent

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Details

F21V 29/00 (2006.01) B60Q 1/26 (2006.01) B61L 5/18 (2006.01) F21S 8/10 (2006.01) G09F 9/33 (2006.01) F21K 99/00 (2010.01) F21V 5/00 (2006.01) F21V 19/00 (2006.01) F21V 23/06 (2006.01) H01L 25/13 (2006.01) F21Q 1/00 (1995.01) F21K 7/00 (2006.01)

Patent

CA 2154053

A lamp, such as for truck trailers and/or tractors, is provided with LEDs mounted to a circuit board placed in a housing. The LEDs and circuit boards are fully embedded in a resin material cured with thermally conductive particles suspended therein for conducting excess heat to the outer aluminum housing and the outer environment. The lens cover has a series of parallel, elongated lens ribs providing constant optics while allowing additional LEDs to be positioned in a row behind a lens rib. The LED circuit board has large traces to enhance heat dissipation.

Phare de remorques de camion et/ou de camions-tracteurs équipé de diodes électroluminescentes montées sur un circuit imprimé lui-même placé dans un logement. Les diodes électroluminescentes et les circuits imprimés sont complètement enrobés d'un matériau résineux durci dans lequel se trouvent en suspension des particules thermiquement conductrices qui transmettent le surplus de chaleur vers un logement extérieur en aluminium et l'environnement extérieur. Le couvercle de la lentille présente une série de nervures parallèles longitudinales fournissant des caractéristiques optiques constantes tout en permettant la mise en place de diodes électroluminescentes supplémentaires sur une rangée se trouvant derrière une nervure de lentille. Le circuit imprimé pour diodes électroluminescentes comporte quant à lui de grandes bandes de milieu conducteur permettant une meilleure dissipation de la chaleur.

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