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:
Sep. 18, 2018
Filed:
Feb. 06, 2017
Seiko Epson Corporation, Tokyo, JP;
Akira Komatsu, Tatsuno-machi, JP;
Takahiro Totani, Suwa, JP;
Takashi Takeda, Suwa, JP;
Masayuki Takagi, Matsumoto, JP;
Toshiaki Miyao, Matsumoto, JP;
Hayato Matsuki, Suwa, JP;
SEIKO EPSON CORPORATION, Tokyo, JP;
Abstract
A light guide device includes an incident section, a parallel light guide body for light guide, and an emitting section. The emitting section includes a reflection unit formed by arraying a plurality of mirrors. The plurality of mirrors configuring the reflection unit are reflection elements having reflectance of P polarized light lower than reflectance of S polarized light. The plurality of mirrors configuring the reflection unit can be accompanied by wavelength plates to be adjacent to the mirrors.