Shutdown controlling method, shutdown controlling circuit, driving circuit and AMOLED display device
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United States of America Patent
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Dec 11, 2018
Grant Date -
Sep 22, 2016
app pub date -
Aug 15, 2014
filing date -
Mar 11, 2014
priority date (Note) -
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Abstract
The AMOLED display device includes a light-emitting source and a display screen provided with a plurality of subpixels. Each subpixel includes a driving transistor, and a capacitor arranged between a gate electrode and a source electrode of the driving transistor and connected to a signal line via a switching element. The shutdown controlling method includes: determining whether or not a shutdown signal has been detected; performing a first control operation when the shutdown signal has been detected, so as to control a voltage on the signal line to be in a first voltage state; and performing a second control operation when the shutdown signal has been detected, so as to control the switching element to be in an on state, thereby to enable the capacitor to be discharged completely toward the signal line in the first voltage state via the switching element.
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