ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,439,487, issued on Oct. 7, was assigned to SIGNIFY HOLDING B.V. (Eindhoven, Netherlands).
"HF AC driving a string of antiparallel laser diodes and LEDS" was invented by Reinhold Elferich (Aachen, Germany) and Olexandr Valentynovych Vdovin (Maarheeze, Netherlands).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a lighting system comprising a parallel resonant converter comprising an input node for receiving a bus voltage an output node a half bridge comprising a first switch coupled between the input node and a switching node and a second switch coupled between the switching node and a return node. The parallel resonant converter fu...