Gate driving unit, gate driving circuit, gate driving method and display device

A gate driving circuit, comprising:

• multiple stages of gate driving units;
• wherein each gate driving unit includes:
• a pull-up node denoising circuit;
• a pull-down node control circuit;
• a pull-up node control circuit;
• and
• an energy storage circuit;
• wherein the pull-up node denoising circuit is electrically coupled to an input terminal, a pull-down node and a first pull-up node, respectively;
• the pull-up node denoising circuit is configured to, under control of a potential of the pull-down node, control coupling or decoupling between the first pull-up node and the input terminal;
• wherein the pull-down node control circuit is electrically coupled to a second pull-up node, the pull-down node and the input terminal, respectively;
• the pull-down node control circuit is configured to, under control of a control voltage provided by a control voltage terminal, control the potential of the pull-down node;
• and under control of a potential of the second pull-up node, control coupling or decoupling between the pull-down node and the input terminal;
• wherein the pull-up node control circuit is electrically coupled to an anti-leakage control terminal, the first pull-up node and the second pull-up node, respectively;
• the pull-up node control circuit is configured to, under control of an anti-leakage control voltage provided by the anti-leakage control terminal, control coupling or decoupling between the first pull-up node and the second pull-up node, and configured to maintain the potential of the second pull-up node;
• wherein the energy storage circuit is electrically coupled to the second pull-up node and is configured to store electric energy,
• wherein the pull-down node includes a first pull-down node and a second pull-down node;
• and the pull-up node denoising circuit includes a first pull-up node denoising transistor and a second pull-up node denoising transistor;
• a control electrode of the first pull-up node denoising transistor is electrically coupled to the first pull-down node;
• a first electrode of the first pull-up node denoising transistor is electrically coupled to the pull-up node;
• a second electrode of the first pull-up node denoising transistor is electrically coupled to the input terminal;
• a control electrode of the second pull-up node denoising transistor is electrically coupled to the second pull-down node;
• a first electrode of the second pull-up node denoising transistor is electrically coupled to the pull-up node;
• and a second electrode of the second pull-up node denoising transistor is electrically coupled to the input terminal.

A display device, comprising:

• a gate driving circuit including multiple stages of gate driving units;
• wherein each gate driving unit includes:
• a pull-up node denoising circuit;
• a pull-down node control circuit;
• a pull-up node control circuit;
• and
• an energy storage circuit;
• wherein the pull-up node denoising circuit is electrically coupled to an input terminal, a pull-down node and a first pull-up node, respectively;
• the pull-up node denoising circuit is configured to, under control of a potential of the pull-down node, control coupling or decoupling between the first pull-up node and the input terminal;
• wherein the pull-down node control circuit is electrically coupled to a second pull-up node, the pull-down node and the input terminal, respectively;
• the pull-down node control circuit is configured to, under control of a control voltage provided by a control voltage terminal, control the potential of the pull-down node;
• and under control of a potential of the second pull-up node, control coupling or decoupling between the pull-down node and the input terminal;
• wherein the pull-up node control circuit is electrically coupled to an anti-leakage control terminal, the first pull-up node and the second pull-up node, respectively;
• the pull-up node control circuit is configured to, under control of an anti-leakage control voltage provided by the anti-leakage control terminal, control coupling or decoupling between the first pull-up node and the second pull-up node, and configured to maintain the potential of the second pull-up node;
• wherein the energy storage circuit is electrically coupled to the second pull-up node and is configured to store electric energy;
• wherein each gate driving unit further includes a carry-signal output circuit and a gate driving signal output circuit;
• the carry-signal output circuit is electrically coupled to the second pull-up node, a clock signal terminal, the pull-down node, a carry-signal output terminal and a first low-voltage terminal, respectively;
• the carry-signal output circuit is configured to, under control of the potential of the second pull-up node, control the carry-signal output terminal to be electrically coupled to the clock signal terminal, and, under control of the potential of the pull-down node, control coupling or decoupling between the carry-signal output terminal and the first low-voltage terminal;
• the gate driving signal output circuit is electrically coupled to the second pull-up node, the clock signal terminal, the pull-down node, the gate driving signal output terminal, and a second low-voltage terminal, respectively;
• the gate driving signal output circuit is configured to, under control of the potential of the second pull-up node, control the gate driving signal output terminal to be electrically coupled to the clock signal terminal, and, under control of the potential of the pull-down node, control coupling or decoupling between the gate driving signal output terminal and the second low-voltage terminal;
• a first low-voltage provided by the first low-voltage terminal is less than a second low-voltage provided by the second low-voltage terminal;
• wherein the input terminal of each gate driving unit is electrically coupled to the carry-signal output terminal of an adjacent upper-level gate driving unit,
• wherein the pull-down node includes a first pull-down node and a second pull-down node;
• and the pull-up node denoising circuit includes a first pull-up node denoising transistor and a second pull-up node denoising transistor;
• a control electrode of the first pull-up node denoising transistor is electrically coupled to the first pull-down node;
• a first electrode of the first pull-up node denoising transistor is electrically coupled to the pull-up node;
• a second electrode of the first pull-up node denoising transistor is electrically coupled to the input terminal;
• a control electrode of the second pull-up node denoising transistor is electrically coupled to the second pull-down node;
• a first electrode of the second pull-up node denoising transistor is electrically coupled to the pull-up node;
• and a second electrode of the second pull-up node denoising transistor is electrically coupled to the input terminal.