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. 19, 2023
Filed:
Mar. 29, 2022
Seiko Epson Corporation, Tokyo, JP;
Junichi Wakabayashi, Ueda, JP;
Junichi Suzuki, Matsumoto, JP;
Ryuta Koizumi, Shiojiri, JP;
Masaya Masuda, Matsumoto, JP;
Hidenori Kawata, Chino, JP;
Yoshitomo Kumai, Okaya, JP;
SEIKO EPSON CORPORATION, Tokyo, JP;
Abstract
A projector includes an image light generator configured to modulate light emitted from a light source to generate image light, a projection optical device configured to project the image light, a polarization switching element disposed at a light exit side of the image light generator and configured to switch a polarization state of the image light emitted from the image light generator, and a controller configured to control the polarization switching element. The controller controls the polarization switching element to switch the polarization state of the image light with a predetermined period.