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:
Dec. 27, 2022
Filed:
Oct. 28, 2020
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventors:
Toshiaki Miyao, Chino, JP;
Masayuki Takagi, Azumino, JP;
Tokito Yamaguchi, Azumino, JP;
Takashi Takeda, Suwa, JP;
Assignee:
SEIKO EPSON CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 27/01 (2006.01); G02B 1/14 (2015.01); G06F 1/16 (2006.01);
U.S. Cl.
CPC ...
G02B 27/0172 (2013.01); G02B 1/14 (2015.01); G06F 1/1609 (2013.01); G02B 2027/0178 (2013.01);
Abstract
A light-guiding device is configured to accept image light through a light incidence part, guide the image light through reflection, and emit, to outside through a light emission part, the image light that is guided, the light-guiding device includes a protective member having a sheet shape and configured to cover a body member in a region corresponding to an optical surface of a surface of the light-guiding device, and an adhesive layer is formed between the body member and the protective member.