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

Claim 3:
4. The shift register according to claim 3, wherein
the first-level control sub-circuit includes:
a first transistor, a control electrode of the first transistor being coupled to the first node, a first electrode of the first transistor being coupled to the first voltage signal terminal, and a second electrode of the first transistor being coupled to the second node; and
a second transistor, a control electrode of the second transistor being coupled to the first node, a first electrode of the second transistor being coupled to the second voltage signal terminal, and a second electrode of the second transistor being coupled to the fourth node; and
the second-level control sub-circuit includes:
a third transistor, a control electrode of the third transistor being coupled to the first clock signal terminal, a first electrode of the third transistor being coupled to the first voltage signal terminal, and a second electrode of the third transistor being coupled to the second node; and
a fourth transistor, a control electrode of the fourth transistor being coupled to the first clock signal terminal, a first electrode of the fourth transistor being coupled to the fourth node, and a second electrode of the fourth transistor being coupled to the second node.