LIGHT-EMITTING DIODE DEVICE
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United States of America Patent
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Issued Date -
Apr 28, 2016
app pub date -
Oct 21, 2015
filing date -
Oct 23, 2014
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Abstract
A light-emitting diode (LED) device is capable of regulation of an operating current, and includes an LED unit configured to receive a direct current (DC) voltage for generating the operating current flowing therethrough, a regulating unit electrically connected to the LED unit, and a control unit electrically connected to the regulating unit. The regulating unit is configured to regulate the operating current so as to generate a limiting current flowing therethrough. The control unit is configured to control the regulating unit, according to one of the DC voltage and the limiting current, to generate the limiting current having a magnitude within a fixed range for regulating the operating current.
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