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Title:
LIGHT-EMITTING DEVICE
Document Type and Number:
WIPO Patent Application WO/2024/085205
Kind Code:
A1
Abstract:
The present invention achieves a light-emitting device that emits light with a good polarization ratio. Provided is a light-emitting device comprising: a first sub-mount which has a ceramic substrate that contains AlN and a plurality of upper metal layers that are provided to the upper surface side of the ceramic substrate; and a first semiconductor laser element which is disposed on an upper surface of the first sub-mount and which oscillates with a TM mode, wherein the plurality of upper metal layers include one or more upper first metal layers which have a metal layer including at least Ni.

Inventors:
NISHIOKA MASAHIRO (JP)
Application Number:
PCT/JP2023/037794
Publication Date:
April 25, 2024
Filing Date:
October 19, 2023
Export Citation:
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Assignee:
NICHIA CORP (JP)
International Classes:
H01S5/0234; H01S5/0237
Foreign References:
JP2017028044A2017-02-02
JP2020136386A2020-08-31
JP2004335773A2004-11-25
JP2011166068A2011-08-25
Attorney, Agent or Firm:
SHINJYU GLOBAL IP (JP)
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