US Patent Issued to SEIKO EPSON on May 20 for "Display module having light-shielding portions with apertures having different shapes, virtual display apparatus, and manufacturing method for light-guiding optical device" (Japanese Inventor)

ALEXANDRIA, Va., June 16 -- United States Patent no. 12,306,401, issued on May 20, was assigned to SEIKO EPSON Corp. (Tokyo).

"Display module having light-shielding portions with apertures having different shapes, virtual display apparatus, and manufacturing method for light-guiding optical device" was invented by Takashi Takeda (Suwa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a display module including a display element, and a light-guiding optical device that guides image light emitted from the display element to form an exit pupil, in which the light-guiding optical device is an off-axis optical system. The off-axis optical system includes a first optical surface, a second optical s...