ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,523,748, issued on Jan. 13, was assigned to Allegro MicroSystems LLC (Manchester, N.H.).

"Detector having quantum dot pn junction photodiode" was invented by Sean Keuleyan (Eugene, Ore.), Andrew S. Huntington (Banks, Ore.), Nanditha Dissanayake (Portland, Ore.), Chao Yi (Eugene, Ore.) and George Williams (Vashon, Wash.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods and apparatus for a sensor having a photodetector array having photodetectors comprising a colloidal quantum dot (CQD) structure formed on an integrated circuit. The sensor may comprise a LIDAR time of flight sensor."

The patent was filed on March 8, 2022, under Application No. 17/65...