LIGHTING DEVICE WITH ELECTRIC POWER GENERATION FUNCTION
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United States of America
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Dec 9, 2021
app pub date -
Oct 10, 2019
filing date -
Oct 10, 2019
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Abstract
A lighting device includes a light-emitting device, a heat sink having a hollow unit inside, a translucent cover, and a thermoelectric element. The thermoelectric element includes a casing unit having a housing unit, and includes a first electrode unit, a second electrode unit having a work function different from that of the first electrode unit, and a middle unit including nanoparticles having a work function between the work function of the first electrode unit and the work function of the second electrode unit, which are provided inside the housing unit. The casing unit is provided on the inner surface of the hollow unit of the heat sink.
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