SHIFT REGISTER UNIT, GATE ELECTRODE DRIVE CIRCUIT AND DISPLAY APPARATUS

摘要

The present disclosure provides a shift register unit, a gate electrode drive circuit and a display apparatus, which relates to a technical field of display. The shift register unit includes an input reset module, a pull up module, a control module and a pull down module. By inputting a high level into the second signal input end of the input reset module in the touch scan to maintain the level at the pull up control node, the electrical leak effects at the pull up control node may be avoided efficiently. In this way, the defects of insufficient charging rate of the row pixels may be avoided and the dark lines or bad bright lines may be suppressed.

主权项

1. A shift register unit, comprising:
an input reset module which has a first signal input end, a second signal input end, a first voltage connecting end, a second voltage connecting end and a first pull up control node connecting end, and is configured to control a level at the pull up control node depending on a signal inputted from the first signal input end and the second signal input end; a pull up module which has a first clock signal input end, a second pull up control node connecting end and a pull up module signal output end and is configured to selectively pull up the signal outputted from the pull up module signal output end to a high level depending on the level at the pull up control node and the clock signal inputted from the first clock signal input end; a control module which has a second clock signal input end, a first connecting end for a third voltage, a third pull up control node connecting end and a first pull down control node connecting end and is configured to control a level at the pull down control node depending on the clock signal inputted from the second clock signal input end and the level at the pull up control node; and a pull down module which has a fourth pull up control node connecting end, a second pull down control node connecting end, a second connecting end for the third voltage, a fourth voltage connecting end and a pull down module signal output end and is configured to selectively pull down the signal outputted from the pull down module signal output end to a low level, wherein the first voltage connecting end is connected to a first voltage input end of the shift register unit, the second voltage connecting end is connected to a second voltage input end of the shift register unit, the first connecting end for the third voltage and the second connecting end for the third voltage are both connected to the third voltage input end of the shift register unit, the fourth voltage connecting end is connected to a fourth voltage input end of the shift register unit, the pull up module signal output end and the pull down module signal output end are connected to form a signal output end of the shift register unit, the pull up control node being a connecting point connected with the first pull up control node connecting end, the second pull up control node connecting end, the third pull up control node connecting end and the fourth pull up control node connecting end, the pull down control node being a connecting point connected with the first pull down control node connecting end and the second pull down control node connecting end, wherein the high level is inputted into the second signal input end in a touch scan to maintain the level at the pull up control node.