US Patent Issued to FUJIFILM on March 4 for "Optical element, image display unit, and head-mounted display" (Japanese Inventors)

ALEXANDRIA, Va., March 5 -- United States Patent no. 12,242,072, issued on March 4, was assigned to FUJIFILM Corp. (Tokyo).

"Optical element, image display unit, and head-mounted display" was invented by Hiroshi Sato (Minamiashigara, Japan) and Yukito Saitoh (Minamiashigara, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provide are an optical element that can improve a utilization efficiency of light while increasing an optical path length, an image display unit, and a head-mounted display. The optical element includes, in the following order: a first absorptive linearly polarizing plate; a first reflective linearly polarizing plate; a first retardation plate; a partially reflecting mirror; a second r...