ALEXANDRIA, Va., July 9 -- United States Patent no. 12,352,967, issued on July 8, was assigned to Industrial Technology Research Institute (Hsinchu, Taiwan).

"Head-mounted augmented reality stereo vision optical film on glasses" was invented by Cheng-Jhih Luo (Hualien County, Taiwan), Chia-Hsin Chao (Hsinchu County, Taiwan) and Wei-Cheng Chao (Hsinchu, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A head-mounted augmented reality stereo vision optical film on glasses, including a light-transmitting display layer, an optical projection layer, and an eyeball tracking layer, is provided. The light-transmitting display layer includes multiple pixel units. The optical projection layer includes multiple le...