Patent ID: 11887554
Assignee: BOE TECHNOLOGY GROUP CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 3:
4. The gate drive circuit according to claim 2, wherein the first pull-down control sub-circuit includes a fourth transistor, a fifth transistor, a sixth transistor, a seventh transistor and a first control node;
a control electrode of the fourth transistor is coupled to the second voltage signal terminal, a first electrode of the fourth transistor is coupled to the second voltage signal terminal, and a second electrode of the fourth transistor is coupled to the first control node;
a control electrode of the fifth transistor is coupled to the pull-up node, a first electrode of the fifth transistor is coupled to the first voltage signal terminal, and a second electrode of the fifth transistor is coupled to the first control node;
a control electrode of the sixth transistor is coupled to the first control node, a first electrode of the sixth transistor is coupled to the second voltage signal terminal, and a second electrode of the sixth transistor is coupled to the first pull-down node; and
a control electrode of the seventh transistor is coupled to the pull-up node, a first electrode of the seventh transistor is coupled to the first voltage signal terminal, and a second electrode of the seventh transistor is coupled to the first pull-down node.