Lighting device and lighting appliance having the lighting device
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United States of America Patent
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Aug 21, 2018
Grant Date -
May 12, 2016
app pub date -
Sep 2, 2014
filing date -
Sep 18, 2013
priority date (Note) -
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Abstract
A lighting device includes: a light source; a drive circuit that drives the light source to emit a light, and includes a circuit element and a circuit board, on which the circuit element and the light source are arranged; and a case that covers the drive circuit. The circuit board includes a radiation member, disposed in a region where the light source is arranged, for radiating heat generated from the light source. The case is connected with the circuit element, and radiates heat generated from the circuit element.
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