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. 24, 2021
Filed:
Mar. 24, 2020
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventors:
Masayuki Takagi, Azumino, JP;
Takuya Ikeda, Shiojiri, JP;
Assignee:
SEIKO EPSON CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/32 (2006.01); G02B 27/01 (2006.01); F21V 8/00 (2006.01);
U.S. Cl.
CPC ...
G02B 27/0176 (2013.01); G02B 6/003 (2013.01); G02B 6/0086 (2013.01); G02B 27/0172 (2013.01); G02B 2027/0178 (2013.01);
Abstract
A virtual image display apparatus is provided, which includes a case member housing an image element, a lens barrel housing a projection lens serving as an optical system configured to receive imaging light emitted from the image element, and an elastic sealing member that covers a space between the case member and the lens barrel. With the elastic sealing member, position adjustment between the case member and the lens barrel is performed.