ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,717,135, issued on Aug. 25, was assigned to SEIKO EPSON Corp. (Tokyo).
"Virtual image display device and optical unit" was invented by Tokito Yamaguchi (Azumino, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A virtual image display device includes a first display element that is an image light generation device, a first projection optical system configured to project image light emitted from the first display element, and a first combiner disposed inclined with respect to an optical path portion of the image light emitted from the first projection optical system, the combiner including a transmissive mirror surface configured to transmit the imag...