ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,461,372, issued on Nov. 4, was assigned to Coretronic Corp. (Hsin-Chu, Taiwan).
"Wearable display device and projection device" was invented by Chih-Wei Chang (Hsin-Chu, Taiwan) and Chin-Sheng Chao (Hsin-Chu, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A wearable display device includes an optical waveguide element and a projection device. The projection device includes an optical engine main body, at least one light emitting unit, an optical combiner, and a projection lens. The optical engine main body has at least one positioning structure. The light emitting unit is connected to the optical engine main body and configured to emit an illumina...