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:
Dec. 27, 2022
Filed:
Sep. 15, 2020
Applicant:
Nichia Corporation, Anan, JP;
Inventors:
Tadaaki Miyata, Yokohama, JP;
Yoshihiro Kimura, Yokohama, JP;
Assignee:
NICHIA CORPORATION, Anan, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01S 5/02257 (2021.01); C03C 4/00 (2006.01); C03C 27/06 (2006.01); H01S 5/02216 (2021.01);
U.S. Cl.
CPC ...
H01S 5/02257 (2021.01); C03C 4/0071 (2013.01); C03C 27/06 (2013.01); H01S 5/02216 (2013.01); C03C 2204/00 (2013.01);
Abstract
A light source device includes: a laser diode; a substrate directly or indirectly supporting the laser diode; and a cap secured to the substrate and covering the laser diode. The cap includes a first glass portion configured to transmit laser light that is emitted from the laser diode, and a second glass portion. At least one of the first glass portion and the second glass portion includes an alkaline glass region. The first glass portion and the second glass portion are bonded together via an electrically conductive layer that is in contact with the alkaline glass region.