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:
Feb. 10, 2026
Filed:
May. 24, 2024
Seiko Epson Corporation, Tokyo, JP;
Yuichiro Iwama, Azumino, JP;
SEIKO EPSON CORPORATION, Tokyo, JP;
Abstract
A light source apparatus according to the present disclosure includes a light emitter that outputs light, a light guide member that the light emitted from the light emitter enters, an angle conversion member that converts the angular distribution of the light output from the light guide member, and a support member having a groove that supports the light guide member, the light emission surface of the light emitter facing a third surface of the light guide member, the groove having a support surface that supports a fourth surface of the light guide member, the light guide member including a first protrusion that protrudes from the groove toward one side of the first axis, the first protrusion having a first surface, the angle conversion member fixed to the first surface of the first protrusion, and the support member not being in contact with the first protrusion.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile