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:
Jan. 14, 2025
Filed:
Oct. 28, 2021
Seiko Epson Corporation, Tokyo, JP;
Tokito Yamaguchi, Azumino, JP;
Mitsutaka Ide, Shiojiri, JP;
SEIKO EPSON CORPORATION, Tokyo, JP;
Abstract
An optical unit includes a projection lens, a prism configured to guide the image light from the projection lens, and a mirror member configured to reflect, toward a pupil position, the image light from the prism, wherein the prism includes a first surface where the image light from the projection lens is incident while being transmitted, a second surface at which the image light that passed through the first surface is reflected, and a third surface at which the image light that passed through the second surface is reflected toward the second surface, and the image light reflected at the third surface is emitted while being transmitted through the second surface.