PIXEL CIRCUIT, DRIVING METHOD THEREOF, DISPLAY PANEL AND DISPLAY DEVICE
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United States of America Patent
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Issued Date -
Nov 24, 2016
app pub date -
Apr 17, 2015
filing date -
Jan 29, 2015
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Abstract
The present invention provides a pixel circuit, a driving method thereof, a display panel and a display device. The pixel circuit comprises a first charging module, a storage capacitor, a second charging module, a reset module, a drive transistor, a light-emitting control module and a light-emitting device; the first charging module and the second charging module are respectively connected to two ends of the storage capacitor; the reset module is connected to both ends of the storage capacitor; a control electrode of the drive transistor is connected to the end of the storage capacitor connected to the second charging module, a first electrode thereof is connected to a high-voltage terminal, and a second electrode thereof is connected to the second charging module; and the light-emitting control module is connected between the drive transistor and the light-emitting device.
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