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. 25, 2026
Filed:
Oct. 18, 2023
Seiko Epson Corporation, Tokyo, JP;
Wataru Yasumatsu, Azumino, JP;
SEIKO EPSON CORPORATION, Tokyo, JP;
Abstract
A light source device according to the present disclosure includes a first light source configured to emit a first light flux, a second light source configured to emit a second light flux, a third light source configured to emit a third light flux, a first light combiner configured to enlarge a first light flux width of the first light flux, and combine the first light flux and the second light flux to generate a first combined light flux, and a second light combiner configured to combine the first combined light flux and the third light flux with each other to generate a second combined light flux. The first light flux width is equal to a second light flux width of the second light flux or smaller than the second light flux width, and the first light flux width is smaller than a third light flux width.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile