LIGHT EMITTING DEVICE, LIGHT SOURCE DEVICE, AND OPTICAL FIBER LASER
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United States of America Patent
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Issued Date -
Jun 1, 2023
app pub date -
Jan 27, 2023
filing date -
Aug 7, 2020
priority date (Note) -
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status (Latency Note)
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Abstract
A light emitting device includes: a plurality of light emitting elements that are aligned in a first direction; and a base that includes a plurality of mounting surfaces that are aligned in the first direction and on which the respective light emitting elements are mounted; a bottom surface that extends in a second direction that is inclined with respect to the first direction on back sides of the plurality of mounting surfaces; and a refrigerant passage that is arranged between the plurality of mounting surfaces and the bottom surface and in which a refrigerant flows, the refrigerant passage including a first section that extends in the first direction along the plurality of light emitting elements.
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