ALEXANDRIA, Va., April 15 -- United States Patent no. 12,601,462, issued on April 14, was assigned to Lutron Technology Co. LLC (Coopersburg, Pa.).

"Optical system for a lighting device with a collimating lens with a well" was invented by Fangxu Dong (Austin, Texas) and Dong Jenna Lu (Austin, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optical system may comprise an emitter assembly and an optical structure that are configured to be used with a lighting device for providing a narrow beam angle for the lighting device. The emitter assembly may comprise an array of emitters configured to emit light. The optical structure may comprise a body having a light-entry portion, a light-exit portion, and si...