ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,452,976, issued on Oct. 21, was assigned to Renesas Design (UK) Ltd. (Bourne End, Great Britain).

"Light source driver" was invented by Weihai Huang (Bourne End, Great Britain) and Ze Han (Bourne End, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "A driver for use with a light source is presented. The driver includes a first circuit and a second circuit. The first circuit is adapted to control an amount of current flowing through the light source to switch the light source between a first state when the light source is on and a second state when the light source is off. The second circuit is adapted to generate a leak current so that durin...