Patent ID: 11900885
Assignee: BOE TECHNOLOGY GROUP CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 3:
4. The display panel according to claim 3, further comprising:
an active layer, a gate insulating layer, a gate conductive layer, an interlayer dielectric layer and a source-drain conductive layer that are disposed on the substrate in sequence,
wherein the active layer includes first electrodes, channel portions and second electrodes of the switching transistor, the driving transistor and the sensing transistor;
the gate conductive layer includes control electrodes of the switching transistor, the driving transistor and the sensing transistor; and
the source-drain conductive layer includes first connection patterns and second connection patterns;
the interlayer dielectric layer and the gate insulating layer are together provided with second via holes each penetrating through both of the interlayer dielectric layer and the gate insulating layer, and the interlayer dielectric layer is provided with third via holes therein;
a first connection pattern in the first connection patterns is electrically connected to the second electrode of the switching transistor through a second via hole in the second via holes, and is electrically connected to the control electrode of the driving transistor through a third via hole in the third via holes;
the interlayer dielectric layer is further provided with fourth via holes therein, and a second connection pattern in the second connection patterns is electrically connected to the second electrode of the driving transistor through a fourth via hole in the fourth via holes; and
in the same sub-pixel region, in the second direction, the filter portion and the first via hole have the control electrode, the channel portion and the first electrode of the driving transistor and the auxiliary supply voltage line therebetween.