US Patent Issued to NICHIA on Feb. 10 for "Drive circuit and light source device" (Japanese Inventor)

ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,548,976, issued on Feb. 10, was assigned to NICHIA Corp. (Anan, Japan).

"Drive circuit and light source device" was invented by Hideki Kondo (Yokohama, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A drive circuit that includes a switching circuit switching between a first state and a second state to cause a light-emitting element to perform pulse oscillation, and a direct current adjustment circuit. In the first state, light is emitted from a light-emitting element by supplying the light-emitting element with a current having a magnitude equal to or greater than a threshold current enabling the light-emitting element to emit light having an outp...