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:
Nov. 30, 2021
Filed:
Dec. 23, 2019
Seiko Epson Corporation, Tokyo, JP;
Junichi Suzuki, Matsumoto, JP;
Hidefumi Sakata, Kamiina-gun, JP;
Yuichiro Iwama, Azumino, JP;
Shingo Komiyama, Chino, JP;
SEIKO EPSON CORPORATION, Tokyo, JP;
Abstract
A light source apparatus includes a light source section emitting first light having a first wavelength band, a light guide propagating part of the first light, a wavelength converter disposed side by side with the light guide and including a phosphor emitting second light having a second wavelength band when excited by another part of the first light, and a light combiner that combines the first light exiting the light guide with the second light exiting the wavelength converter. The light source section faces the light guide and the wavelength converter.