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:
Aug. 25, 2026
Filed:
Dec. 25, 2023
Seiko Epson Corporation, Tokyo, JP;
Tokito Yamaguchi, Azumino, JP;
SEIKO EPSON CORPORATION, Tokyo, JP;
Abstract
A virtual image display device includes a first display element that is an image light generation device, a first projection optical system configured to project image light emitted from the first display element, and a first combiner disposed inclined with respect to an optical path portion of the image light emitted from the first projection optical system, the combiner including a transmissive mirror surface configured to transmit the image light. The transmissive mirror surface has a curved surface shape with identical sag amounts at effective area ends in vertical and lateral directions that are two directions orthogonal to each other.