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.

Date of Patent:
Aug. 04, 2026

Filed:

Mar. 30, 2023
Applicant:

Seiko Epson Corporation, Tokyo, JP;

Inventors:

Norikazu Kadotani, Azumino, JP;

Takahiro Miyata, Matsumoto, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 21/20 (2006.01); G02F 1/13 (2006.01); G03B 21/16 (2006.01);
U.S. Cl.
CPC ...
G03B 21/204 (2013.01); G02F 1/13 (2013.01); G03B 21/16 (2013.01);
Abstract

A projector according to the present disclosure includes: a light source device configured to output blue light and fluorescence in time series; a wavelength selection element configured to transmit or reflect the blue light, separate the fluorescence into different colored light, transmit light of one color of the different colored light, and reflect the other colored light; a first liquid crystal panel configured to receive the blue light and the light of one color and output blue image light and image light of one color; a second liquid crystal panel configured to receive the other colored light and output image light of another color; an optical element configured to output the blue image light, the image light of the one color, and the image light of the other color to a common optical path; and a projection optical system.


Find Patent Forward Citations

Kadotani, Norikazu. (2026). Timing of projection display (U.S. Patent No. 12699311). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12699311

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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