ALEXANDRIA, Va., March 26 -- United States Patent no. 12,259,568, issued on March 25, was assigned to FUJIFILM Corp. (Tokyo).
"Image display apparatus" was invented by Yujiro Yanai (Minamiashigara, Japan) and Naoyoshi Yamada (Minamiashigara, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is an image display apparatus that has a small overall apparatus volume and can be miniaturized. The image display apparatus includes an image display element; a light guide plate on which light emitted by the image display element is incident and which internally and totally reflects the light satisfying a total reflection condition to guide the light; and a retroreflective element that is provided on a surfa...