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:
Oct. 28, 2025
Filed:
Aug. 02, 2024
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventors:
Yuichiro Iwama, Azumino, JP;
Norio Imaoka, Takamori-machi, JP;
Assignee:
SEIKO EPSON CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 8/00 (2006.01); G02B 21/16 (2006.01);
U.S. Cl.
CPC ...
G02B 6/0093 (2013.01); G02B 6/0003 (2013.01); G02B 6/0068 (2013.01); G02B 6/0085 (2013.01); G02B 21/16 (2013.01);
Abstract
A light source device including: a support member includes a groove in which a light guide member is disposed, a light source substrate and the support member are in contact with each other with a convex portion, and the convex portion is disposed on at least one of an opposed surface opposed to a first surface of the light source substrate and the first surface of the light source substrate to separate a light emitting element from the support member and a light guide member.