Systems and methods for providing driving voltages to a display panel
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United States of America Patent
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Jul 31, 2007
Grant Date -
May 17, 2007
app pub date -
Apr 25, 2006
filing date -
Nov 17, 2005
priority date (Note) -
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status (Latency Note)
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Abstract
Systems for providing driving voltage of display panels. An exemplary system comprises a data driving circuit with a plurality of driving units generating analog voltage to drive corresponding pixels according to digital data signals from a data bus, each comprising a temporary storage unit storing N digital data in sequence according to N control signals in a first period and outputting the N digital data in sequence according to M switching signals in a second period; a digital-to-analog (DA) conversion unit converting the N digital data to N analog voltages in sequence; an analog buffering unit buffering the N analog voltages from the DA conversion unit; and a de-multiplexer outputting the N analog voltages to the corresponding pixels selectively according to an enabling signal.
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