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. 13, 2024
Filed:
Jul. 29, 2021
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventor:
Daiki Matsumoto, Suwa, JP;
Assignee:
SEIKO EPSON CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 27/01 (2006.01); G02B 5/10 (2006.01); G02B 26/08 (2006.01);
U.S. Cl.
CPC ...
G02B 27/0172 (2013.01); G02B 26/0816 (2013.01); G02B 26/0875 (2013.01); G02B 2027/0145 (2013.01); G02B 2027/0178 (2013.01);
Abstract
A virtual image display device includes an image light generation device generating image light, a transmissive tilted mirror reflecting the image light from the image light generation device, and a concave transmissive mirror having a concave shape and reflecting, toward the transmissive tilted mirror, the image light reflected by the transmissive tilted mirror to form an exit pupil. The virtual image display device further includes an absorber layer or an absorption film on an external side of a transmissive reflective surface formed in the concave transmissive mirror.