Patent ID: 11862216
Assignee: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 2:
3. The shift register according to claim 2, wherein the first control circuit includes:
a first-level control sub-circuit coupled to the first node, the second node, the first voltage signal terminal, the second voltage signal terminal and a fourth node; and the first-level control sub-circuit being configured to transmit, under the control of the voltage at the first node, the first voltage signal from the first voltage signal terminal to the second node, or the second voltage signal from the second voltage signal terminal to the fourth node; and
a second-level control sub-circuit coupled to the first clock signal terminal, the second node, the first voltage signal terminal and the fourth node; and the second-level control sub-circuit being configured to transmit, under the control of the first clock signal from the first clock signal terminal, a voltage at the fourth node or the first voltage signal from the first voltage signal terminal to the second node.