ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,704,724, issued on Aug. 11, was assigned to National Central University (Taoyuan City, Taiwan).
"Diffractive optical assembly and head-mounted display having the same" was invented by Yeh-Wei Yu (Taoyuan City, Taiwan), Ching-Cherng Sun (Taoyuan City, Taiwan) and Wei-Chia Su (Changhua County, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A diffractive optical assembly includes an input coupler, an output coupler, and an image source. The output coupler is next to the input coupler. One of the input coupler and the output coupler has a most critical holographic optical element (HOE), and another one has a diffractive optical element (DOE). Bragg c...