LIGHTING APPARATUS
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United States of America Patent
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Issued Date -
Jul 13, 2017
app pub date -
Dec 28, 2016
filing date -
Jan 13, 2016
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Abstract
Disclosed is a lighting apparatus using an LED as a light source. The lighting apparatus may include: a first driver configured to control a flow of a first current through a low-power switching element by comparing a reference voltage and a sensing voltage, in response to light emission of an LED group; and a second driver configured to form a flow of a second current through a high-power switching element in connection with the flow of the first current of the first driver, in response to light emission of the LED group. The lighting apparatus stably provides a current path for a current corresponding to high power.
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