Title:
LIGHT-EMITTING DEVICE
Document Type and Number:
Japanese Patent JP2023096036
Kind Code:
A
Abstract:
To provide a light-emitting device which achieves high heat radiation performance, high airtight performance, and high reliability.SOLUTION: A light-emitting device includes: a substrate having a placement part protruding upward from a major surface; an annular terminal holding member which is joined to the major surface of the substrate so as to surround the placement part; a cap joined to an upper surface of the terminal holding member and forming a sealing space with the substrate and the terminal holding member; a semiconductor laser element provided on a side surface of the placement part; and a lead terminal penetrating through the terminal holding member.SELECTED DRAWING: Figure 1
Inventors:
MATSUO HIDENORI
Application Number:
JP2023080895A
Publication Date:
July 06, 2023
Filing Date:
May 16, 2023
Export Citation:
Assignee:
NICHIA KAGAKU KOGYO KK
International Classes:
H01S5/0231; H01S5/02208
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