ALEXANDRIA, Va., June 9 -- United States Patent no. 12,287,483, issued on April 29, was assigned to FUJIFILM Corp. (Tokyo).
"Optical member and image display apparatus" was invented by Hiroshi Sato (Minamiashigara, Japan), Katsumi Sasata (Minamiashigara, Japan) and Yukito Saitoh (Minamiashigara, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An optical member and an image display apparatus including the optical member. The optical member includes: a light guide element including a light guide plate, first and second incidence diffraction elements, and first and second emission diffraction elements; a wavelength selective retardation layer that functions as a retardation layer with respect to a specific...