Patent ID: 11882730
Assignee: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 19:
20. A display panel, comprising:
a base substrate; and
a driving array layer disposed on a side of the base substrate and having functional layers and insulation layers,
wherein the driving array layer comprises:
a first transistor, wherein the first transistor comprises a first active layer comprising silicon;
a second transistor, wherein the second transistor comprises a second active layer comprising oxide semiconductor;
a first capacitor comprising a first plate and a second plate; and
a second capacitor comprising a third plate and a fourth plate,
wherein a first insulation layer is provided between the first plate and the second plate, and a second insulation layer is provided between the third plate and the fourth plate; and the first insulation layer has a lower oxygen content than the second insulation layer;
the driving array layer comprises a pixel circuit, and the first transistor is a driving transistor of the pixel circuit;
the pixel circuit comprises a data writing transistor and a second scanning signal terminal;
the data writing transistor has a gate electrode electrically connected to the second scanning signal terminal; and
the third plate is connected to the control terminal of the driving transistor, the fourth plate is connected to the second scanning signal terminal, and the second capacitor is configured to maintain a potential of the gate electrode of the driving transistor.