ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,474,548, issued on Nov. 18.

"Optical lens assembly and a head-mounted electronic device" was invented by Po-Yu Chen (Taichung, Taiwan), Ping-Yi Chen (Taichung, Taiwan) and Fei-Hsin Tsai (Taichung, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optical lens assembly includes, in order from a visual side to an image source side: a first group including a first lens group and an optical element, and the optical element including, in order from the visual side to the image source side: an absorptive polarizer, a reflective polarizer and a first phase retarder; a second group including, in order from the visual side to the image source side: a seco...