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:
Apr. 14, 2020
Filed:
Feb. 20, 2018
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventor:
Yoichi Shishido, Matsumoto, JP;
Assignee:
SEIKO EPSON CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 21/00 (2006.01); G02B 27/09 (2006.01); G03B 21/20 (2006.01);
U.S. Cl.
CPC ...
G03B 21/006 (2013.01); G02B 27/0944 (2013.01); G03B 21/206 (2013.01); G03B 21/2033 (2013.01); G03B 21/2053 (2013.01); G03B 21/2073 (2013.01); G03B 21/2093 (2013.01);
Abstract
A projector includes: a solid-state light source; a diffractive element that dynamically controls diffraction of light from the solid-state light source; a light modulator that modulates, in response to image information, diffracted light emitted from the diffractive element to generate image light; and a projection optical system that projects the image light.