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.

Date of Patent:
Jul. 16, 2024

Filed:

May. 09, 2023
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 configured to emit laser light; a substrate directly or indirectly supporting the laser diode; and a cap secured to the substrate and covering the laser diode, the cap including: a first portion configured to transmit the laser light that is emitted from the laser diode, and a second portion that is bonded to the first portion. The second portion includes: a pair of lateral wall portions that are located at lateral sides of the laser diode, the pair of lateral wall portions being bonded to the first portion, a cover portion that is located above the laser diode and connects the pair of lateral wall portions together, and a rear wall portion that faces the first portion with the laser diode disposed between the first portion and the rear wall portion of the second portion.


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