ALEXANDRIA, Va., June 12 -- United States Patent no. 12,298,507, issued on May 13, was assigned to SEIKO EPSON Corp. (Tokyo).
"Display device and optical unit" was invented by Mitsutaka Ide (Shiojiri, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A display device includes a projection lens that transmits an image light, a prism mirror that receives the image light emitted from the projection lens through a light incident surface, reflects the image light with an inner reflection surface, and emits the image light from a light emission surface, and a see-through mirror that reflects a part of the image light emitted from the prism mirror toward a pupil position, wherein an intermediate image is formed ...