The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 25, 2025
Filed:
Mar. 30, 2022
Seiko Epson Corporation, Tokyo, JP;
Mitsutaka Ide, Shiojiri, JP;
SEIKO EPSON CORPORATION, Tokyo, JP;
Abstract
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 light, a second wavelength plate that is flat, that disposed between the incident portion and the emission portion of the optical member, and that makes the image light of the circular polarized light into image light of S-polarized light and make the image light of the S-polarized light into image light of P-polarized light, and a combiner that reflects the image light emitted from the optical member.