ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,481,156, issued on Nov. 25, was assigned to SEIKO EPSON Corp. (Tokyo).
"Optical module and head-mounted display device" was invented by Mitsutaka Ide (Shiojiri, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An optical module includes a display element that emits image light of P-polarized light, an optical member including an incident portion on which the image light emitted is incident and an emission portion that emits the image light, a first wavelength plate that is disposed on the optical path between the display element and the optical member and that makes the image light of the P-polarized light into image light of circular polarized ligh...