Driving device for driving a light emitting unit
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United States of America Patent
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Nov 30, 2010
Grant Date -
Dec 10, 2009
app pub date -
Jul 30, 2008
filing date -
Jun 5, 2008
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A driving device for driving a light emitting unit includes a power supply for generating power according to a control signal, an active signal generator for generating an active signal sequence according to lighting features of the light emitting unit, a heat-dissipation signal generator for generating a heat-dissipation signal sequence, a multiplexer coupled to the active signal generator and the heat-dissipation signal generator for combining the active signal sequence and the heat-dissipation signal sequence, so as to generate a driving signal sequence, a burst signal generator for generating a burst signal according to the lighting features of the light emitting unit, and a logic unit coupled to the multiplexer, the burst signal generator and the power supply for timely outputting the driving signal sequence according to the burst signal, so as to generate the control signal.
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