SHIFT REGISTER UNIT, ITS DRIVING METHOD, GATE DRIVER CIRCUIT AND DISPLAY DEVICE
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United States of America Patent
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Issued Date -
Aug 4, 2016
app pub date -
Jun 16, 2015
filing date -
Jan 30, 2015
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Abstract
A shift register unit includes an input end, a gate driving signal output end, a resetting end, a pull-up transistor, a pull-down transistor, a pull-down node control module, a pull-up node control module and an output noise reduction transistor. The pull-down node control module is configured to pull up a potential of a pull-down node to a high potential at a first noise reduction stage, so as to turn on the pull-down transistor and enable the gate driving signal output end to output a low level. The pull-up node control module is configured to pull down a potential of the pull-up node to a low potential at a resetting stage, and maintain the potential of the pull-up node to be at a low potential at the first noise reduction stage and a second noise reduction stage, so as to turn off the pull-up transistor.
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