ALEXANDRIA, Va., March 31 -- United States Patent no. 12,591,086, issued on March 31, was assigned to FUJIFILM Corp. (Tokyo).
"Light guide and video display device" was invented by Katsuhiko Ono (Sano, Japan), Hiroki Takahashi (Saitama, Japan) and Takuya Okada (Sano, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a light guide including: a base that has a first reflecting surface and a second reflecting surface and that propagates incident video light; and a plurality of half mirrors, each of which has a first surface and a second surface and is configured to include a dielectric multi-layer film, in which the plurality of half mirrors are disposed in the base such that the half mirrors are...