ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,717,275, issued on Aug. 25, was assigned to University of Central Florida Research Foundation Inc. (Orlando, Fla.) and Goertek Inc. (Weifang, China).
"Method of duplicating a hologram comprising a step of preparing a master with a master hologram and hologram optical element" was invented by Jianghao Xiong (Orlando, Fla.), Tao Zhan (Oviedo, Fla.), Kun Li (Santa Clara, Calif.) and Shin-Tson Wu (Oviedo, Fla.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Here discloses a method for duplicating a hologram and a hologram optical element. The method comprises: preparing a master with a master hologram; preparing a sample with coated photoalignment material l...