Light emitting device and luminaire
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United States of America Patent
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Jan 12, 2016
Grant Date -
Jun 5, 2014
app pub date -
Aug 30, 2013
filing date -
Dec 4, 2012
priority date (Note) -
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Abstract
According to one embodiment, there is provided a light-emitting device including a light-emitting section, a thermal radiation member, and a heat conduction layer. The light-emitting section includes a mounting substrate section and a light-emitting element section. The mounting substrate section includes a substrate, a first metal layer, and a second metal layer. The substrate includes a first principal plane including a mounting region and a second principal plane. The first metal layer includes mounting patterns provided in the mounting region. The light-emitting element section includes semiconductor light-emitting elements and a wavelength conversion layer. The semiconductor light-emitting elements are connected to the mounting patterns. The luminous existence of the light-emitting element section is equal to or higher than 10 lm/mm2 and equal to or lower than 100 lm/mm2. The thermal radiation member has an area equal to or larger than five times the area of the mounting region.
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