US Patent Issued to FUJIFILM on July 15 for "Optical element, light guide element, and image display device" (Japanese Inventors)

ALEXANDRIA, Va., July 16 -- United States Patent no. 12,360,375, issued on July 15, was assigned to FUJIFILM Corp. (Tokyo).

"Optical element, light guide element, and image display device" was invented by Hiroshi Sato (Minamiashigara, Japan), Yukito Saitoh (Minamiashigara, Japan), Ayako Muramatsu (Minamiashigara, Japan), Daisuke Kashiwagi (Minamiashigara, Japan) and Katsumi Sasata (Minamiashigara, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are an optical element that can make the brightness of light emitted from a light guide plate uniform, a light guide element, and an image display device. The optical element includes a patterned cholesteric liquid crystal layer that is obtained by immob...