LIGHT EMITTING DIODE DRIVING INTEGRATED CIRCUIT
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United States of America Patent
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Issued Date -
Mar 15, 2012
app pub date -
Aug 29, 2011
filing date -
Sep 13, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A driving integrated circuit of light emitting diodes is used for driving at least one light emitting diode. The driving integrated circuit includes a current setting pin, a regulator circuit, and an adjuster. The driving integrated circuit sets a target current for a current flowing through the at least one light emitting diode according to an outflowing current of the current setting pin. The adjuster adjusts a target voltage according to the outflowing current. Then the regulator circuit provides a supply voltage for driving the light emitting diode so as to regulate a terminal voltage of the light emitting diode to the target voltage.
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