ALEXANDRIA, Va., May 26 -- United States Patent no. 12,638,717, issued on May 26, was assigned to PANASONIC AUTOMOTIVE SYSTEMS Co. LTD. (Kanagawa, Japan).
"Display device" was invented by Kenji Nagatomi (Osaka, Japan), Norihiro Imamura (Osaka, Japan) and Hirofumi Hoshida (Osaka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A first configuration of a display device includes: a first display unit that emits first image light and second image light; a first polarizing half mirror that transmits one of the first or second image light and reflects the other; a first reflective mirror on an optical path of the first polarizing half mirror; and a first Lambda/4 plate between the first reflective mirror and ...