ALEXANDRIA, Va., March 19 -- United States Patent no. 12,253,694, issued on March 18, was assigned to VisEra Technologies Co. Ltd. (Hsin-Chu, Taiwan).
"Optical system" was invented by Hsin-Yi Hsieh (Hsin-Chu, Taiwan), Po-Han Fu (Hsin-Chu, Taiwan), Hsin-Wei Mao (Hsin-Chu, Taiwan), Wei-Ko Wang (Hsin-Chu, Taiwan) and Chin-Chuan Hsieh (Hsin-Chu, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "The optical system includes a projector, a deflector, a polarizer, a first grating coupler structure, and a second grating coupler structure. The projector emits three beams having different wavelengths. The deflector is disposed below the projector and is configured to change incident angles of the three beams and to...