Sources driver circuit for active matrix electroluminescent display and driving method thereof
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United States of America Patent
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Jul 22, 2008
Grant Date -
Jun 30, 2005
app pub date -
Apr 6, 2004
filing date -
Dec 24, 2003
priority date (Note) -
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Abstract
Provided is a source driver circuit for an active matrix electroluminescent (EL) display including a digital-to-analog converter/ramp circuit for converting a digital signal into an analog signal, and generating a ramp signal in this process, simultaneously, whereby high degree of integration would be possible since a conventional complicated circuit is not required and gray scale with the high characteristic can be implanted, regardless of a change of a temperature or a threshold voltage.
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