Patent ID: 11869434
Assignee: WUHAN TIANMA MICROELECTRONICS CO., LTD. SHANGHAI BRANCH
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 20:
21. The display panel according to claim 17, wherein:
the first pixel circuit further includes a plurality of thin film transistors, a thin film transistor of the plurality of thin film transistors is a P-type low-temperature polysilicon transistor, and the first type of double-gate transistor is a N-type oxide transistor;
the display panel at least further includes a first metal layer, a second metal layer, a third metal layer, and a fourth metal layer on a side of the substrate; and
a gate of the thin film transistor is in the first metal layer, the first control line and the first gate of the first type of double-gate transistor are on the second metal layer, the second control line and the second gate of the first type of double-gate transistor is on the third metal layer, a source and drain of the thin film transistor and the source and drain of the first type of double-gate transistor are on the fourth metal layer.