An arrangement for driving led cells

Details An arrangement for driving led cells An arrangement for driving led cells

H - Electricity

05

B

H05B 33/08 (2006.01)

Patent

CA 2628744

A driving arrangement for feeding a current generated by a high frequency generator (10) coupled with a magnetic element (11) to a plurality of LED cells (33) each including at least one LED. The arrangement includes a respective plurality of LED channels (1, 2, 3, 4; 1', 2' , 3', 4') arranged in a parallel configuration and one or more coupled inductors (L12, L23, L34) the couple in pairs the channels of the plurality of LED channels (1, 2, 3, 4; 1', 2', 3', 4').

On décrit un dispositif d'excitation servant à alimenter en courant produit par un générateur à haute fréquence (10) couplé à un élément magnétique (11) une pluralité de cellules DEL (33) comportant chacune au moins une DEL. Le dispositif comprend une pluralité de canaux DEL (1, 2, 3, 4; 1', 2' , 3', 4') respectifs arrangés dans une configuration parallèle, et une ou plusieurs bobines d'inductance couplées (L12, L23, L34) pour coupler par paires les canaux de la pluralité de canaux DEL (1, 2, 3, 4; 1', 2' , 3', 4').

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