PIXEL DRIVE CIRCUIT, ARRAY SUBSTRATE, DISPLAY DEVICE AND PIXEL DRIVE METHOD
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United States of America Patent
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Issued Date -
Jul 7, 2016
app pub date -
May 29, 2014
filing date -
Dec 27, 2013
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Abstract
The present invention discloses a pixel drive circuit, an array substrate, a display device and a pixel drive method. The pixel drive circuit may include a drive unit, a switch unit, a threshold voltage compensation module and a light-emitting device, the threshold voltage compensation module is connected to a scan signal line, a first control line, a second control line, a second power supply and the switch unit, respectively, the light-emitting device is connected to the second power supply and the threshold voltage compensation module, respectively, the drive unit is connected to a first power supply and the threshold voltage compensation module, respectively, and the switch unit is connected to the scan signal line and a data signal line, respectively; and the threshold voltage compensation module includes a threshold voltage holding unit, an anti-interference unit, an auxiliary gating unit and a charge-and-discharge control switch unit.
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