ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,699,219, issued on Aug. 4, was assigned to Coretronic Corp. (Hsin-Chu, Taiwan).
"Optical lens and display device" was invented by Tao-Hung Kuo (Hsin-Chu, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An optical lens adapted to receive an image beam from an imaging element is provided. The optical lens sequentially includes a first lens, a second lens, a third lens, and a fourth lens with refracting power along an optical axis from a light incidence side to a light exit side, and the first lens to the fourth lens each include a light incidence surface facing the light incidence side and a light exit surface facing the light exit side. The first le...