Lighting device
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United States of America Patent
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Oct 18, 2022
Grant Date -
Jul 23, 2020
app pub date -
Jul 20, 2018
filing date -
Jul 27, 2017
priority date (Note) -
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Abstract
A lighting device including at least one first light source emitting a visible light, at least one second light source spaced apart from the first light source and emitting a light having a wavelength for sterilization, and a housing, in which the first light source and the second light source are disposed, in which the first light source is disposed outside an area having an angle corresponding to about 50% of a maximum amount of light emitted from the second light source based on a line extending from a center of the second light source along a direction substantially perpendicular to a light emitting surface of the second light source.
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