Driving apparatus for an active matrix organic light emitting display
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United States of America Patent
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-
May 8, 2007
Grant Date -
Jun 23, 2005
app pub date -
Dec 22, 2003
filing date -
Dec 22, 2003
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A driving apparatus of a multiple-scanning driving circuit relating to a simple pixel structure of 2T1C (2 TFTs and 1 capacitor) includes a write-scan circuit, an erase-scan circuit and a data driving circuit. A write-enable line connected to the write-scan and the data driving circuits is used to control the signals of these two circuits. One erase-enable line connected to the erase-scan and the data driving circuits is used to control the signals of these two circuits. Thus, a circuit system of time-multiplex multiple write-scan and erase-scan is completed to solve the problems of a low time utility rate and an insufficient luminance in a digital driving AMOLED system.
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