MULTI-FUNCTIONAL PHOSPHORESCENT LIGHTING DEVICES
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United States of America Patent
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Issued Date -
Oct 4, 2018
app pub date -
Nov 2, 2017
filing date -
Nov 2, 2017
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Abstract
The lighting device disclosed includes a lighting element positioned in a housing and a battery system coupled to an inside of the housing and operably connected to and enabling the lighting element to emit light. The lighting device includes a first phosphorescent element which is positioned to absorb light from an ambient light source, the lighting element, or both. The first phosphorescent element therefore enables the lighting device to be located in dark.
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