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. 19, 2025
Filed:
Nov. 18, 2022
Seiko Epson Corporation, Tokyo, JP;
Junichi Suzuki, Matsumoto, JP;
Hidefumi Sakata, Azumino, JP;
Yuichiro Iwama, Azumino, JP;
Shingo Komiyama, Chino, JP;
SEIKO EPSON CORPORATION, Tokyo, JP;
Abstract
A light source device according to the present disclosure includes a light emitting element for emitting first light, a wavelength conversion member for converting the first light into second light, and a support member. The wavelength conversion member has a first face and a second face crossing a longitudinal direction of the wavelength conversion member, a third face and a fourth face crossing the first face and the second face, and a fifth face and a sixth face crossing the first face and the second face and crossing the third face and the fourth face, and the second light is emitted from the first face. A light emitting surface of the light emitting element is opposed to the third face.