LED driving circuit and control system
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United States of America Patent
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Jun 13, 2017
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N/A
app pub date -
May 31, 2013
filing date -
Nov 29, 2012
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Abstract
A Light-Emitting Diode (LED) driving circuit and a control system includes: a driving control circuit and a constant current channel group circuit, wherein the driving control circuit includes: a logic control circuit and a clock delay circuit; the logic control circuit is connected with the constant current channel group circuit, and is configured to control the ordered switching-on or switching-off of the constant current channel group circuit by virtue of a data control signal; and the clock delay circuit is connected with the logic control circuit, configured to acquire a timing control signal synchronous with the data control signal and output the timing control signal and integrated in the LED driving circuit.
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