Shift Register Unit, Gate Driving Circuit, Display Device, and Driving Method

A display device, comprising a gate driving circuit, and a plurality of sub-pixel units arranged in an array,

• wherein the gate driving circuit comprises a plurality of cascaded shift register units, each of the plurality of cascaded shift register units comprises a first transmission circuit, and a first input-output unit,
• the first input-output unit comprises a first pull-up node and a first output terminal;
• the first transmission circuit is electrically connected to a blanking pull-up node and the first pull-up node;
• the first input-output unit comprises an output circuit, a first pull-down control circuit, and a first pull-down auxiliary control circuit, wherein the output circuit is configured to output a composite output signal to the first output terminal under control of a level of the first pull-up node, the first pull-down control circuit is configured to control a level of a pull-down node under the control of the level of the first pull-up node, the first pull-down auxiliary control circuit is configured to control the first pull-down control circuit so as to further control a level of the pull-down node under the control of the level of the first pull-up node;
• and
• the first output terminal of each shift register unit in the gate driving circuit are electrically connected to sub-pixel units in a row.