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. 27, 2019
Filed:
Dec. 05, 2016
Seiko Epson Corporation, Tokyo, JP;
Masayuki Takagi, Matsumoto, JP;
Takahiro Totani, Suwa, JP;
Toshiaki Miyao, Matsumoto, JP;
Takashi Takeda, Suwa, JP;
Akira Komatsu, Tatsuno-machi, JP;
SEIKO EPSON CORPORATION, Tokyo, JP;
Abstract
An apparatus has a see-through configuration that guides picture lights by a light guide device and superimposes lights from the outside world and the picture lights for visual recognition. The light guide device has a light guide prevention structure (light transmission prevention structure) provided in a narrow width shape part having a narrower shape than a surrounding part, and thereby, prevents unintended reflection or the like of lights due to the lights from the outside world and suppresses light guide of the lights toward an observer side.