Patent ID: 11955084
Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 0:
1. A gate driver circuit, the gate driver circuit comprising a plurality of gate driving units which are cascaded, each of the gate driving units configured to output a corresponding scan signal, wherein each of the gate driving units comprises:
a first wiring;
a second wiring;
a third wiring;
a fourth wiring;
a fifth wiring;
a sixth wiring;
a pull-down control module, an input terminal of the pull-down control module electrically connected to the first wiring, a control terminal of the pull-down control module electrically connected to the second wiring and the third wiring, and an output terminal of the pull-down control module electrically connected to a first node;
a pull-down module, a control terminal of the pull-down module electrically connected to the first node, an input terminal of the pull-down module electrically connected to the fourth wiring, and an output terminal of the pull-down module electrically connected to a second node to output the corresponding scan signal;
a pull-up control module, an input terminal of the pull-up control module electrically connected to the third wiring and the fourth wiring, a control terminal of the pull-up control module electrically connected to the first node and the third wiring, and an output terminal of the pull-up control module electrically connected to a third node;
a first pull-up voltage stabilizing module, an input terminal of the first pull-up voltage stabilizing module electrically connected to the second wiring and the third wiring, a control terminal of the first pull-up voltage stabilizing module electrically connected to the first node, the third node, and the third wiring, and an output terminal of the first pull-up voltage stabilizing module electrically connected to a fourth node;
a pull-up module, an input terminal of the pull-up module electrically connected to the second wiring, a control terminal of the pull-up module electrically connected to the fourth node, and an output terminal of the pull-up module electrically connected to the second node;
a second pull-up voltage stabilizing module, one terminal of the second pull-up voltage stabilizing module electrically connected to the second wiring, and the other terminal of the second pull-up voltage stabilizing module electrically connected to the fourth node; and
a pull-down voltage stabilizing module, an input terminal of the pull-down voltage stabilizing module electrically connected to the fifth wiring and the sixth wiring, a control terminal of the pull-down voltage stabilizing module electrically connected to the first node and the third node, and an output terminal of the pull-down voltage stabilizing module electrically connected to the first node.