LIGHT EMITTING DIODE DRIVING DEVICE AND METHOD THEREOF
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United States of America Patent
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Issued Date -
Feb 7, 2013
app pub date -
Oct 21, 2011
filing date -
Aug 4, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
There are provided a light emitting diode (LED) driving device allowing for an increase in an LED driving rate by discharging a charge stored in a capacitor during a certain period of time and a method thereof. The LED driving device includes: a driving unit detecting a current, as a voltage, the current flowing across an LED unit having at least one LED, controlling the current flowing across the LED unit according to a comparison result between the detected voltage and a reference voltage having a pre-set voltage level, and having a capacitor stabilizing an operation of the LED unit when the LED unit is driven; and a discharging unit discharging a charge stored in the capacitor during a pre-set discharge time when the LED unit is initially driven.
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