ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,704,738, issued on Aug. 11, was assigned to ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE (Daejeon, South Korea).
"Optical system for hologram display" was invented by Hyun Eui Kim (Cheongju-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "An optical system for hologram displays is disclosed. According to an embodiment of a present disclosure, the optical system comprising a polarizing beam splitter for reflecting a light wave when the light wave is horizontally polarized or transmitting a light wave when the light wave is vertically polarized, a second quarter wave plate, a half mirror, and a first quarter wave plate, sequentially...