DRIVING DEVICE OF LIGHT EMITTING DIODE AND LIGHTING APPARATUS USING THE SAME
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United States of America Patent
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N/A
Issued Date -
Jun 21, 2012
app pub date -
Oct 26, 2011
filing date -
Dec 15, 2010
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A driving device of a Light Emitting Diode (LED) and a lighting apparatus using the same are provided. The driving device of the LED is adapted for receiving an Alternating Current (AC) power source adjusted by a dimmer and a transformer unit, and includes a dimming driving unit and a voltage multiplier unit. The dimming driving unit receives a driving Direct Current (DC) power source produced by the voltage multiplier unit, so as to drive and adjust the brightness of a light source of an LED unit. The voltage multiplier unit multiplies the AC power source according to a power specification of the dimming driving unit, so as to transform and supply the driving DC power source to the dimming driving unit, and thus flicker on the light source of the LED unit can be avoided during dimming.
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