ALEXANDRIA, Va., June 19 -- United States Patent no. 12,332,441, issued on June 17, was assigned to SEIKO EPSON Corp. (Tokyo).
"Display device and optical unit" was invented by Takashi Takeda (Suwa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A display device includes an image element, a prism mirror configured to cause imaging light emitted from the image element to be incident on a light incident surface, to reflect the imaging light by an inner reflection surface, and to emit the imaging light from a light emission surface, thereby emitting the imaging light so that the imaging light is returned in an inclined direction, a see-through mirror configured to reflect the imaging light emitted from th...