Patent ID: 11882729
Assignee: BOE TECHNOLOGY GROUP CO., LTD.
Field: Semiconductors (Electrical engineering)
Classification: CPC H | IPC H

Claim 3:
4. The display substrate according to claim 2, further comprising: sensing signal lines, the pixel driving circuit being electrically connected to a sensing signal line; wherein
the pixel driving circuit further includes a third transistor, and in an extension direction of the sensing signal line the first transistor and the third transistor are located at both sides of the first storage capacitor; and
the third transistor includes a third gate, a third semiconductor active pattern, and a third drain; the third semiconductor active pattern includes a third channel portion, a third source portion, and a third drain portion, and electrical conductivities of the third source portion and the third drain portion are greater than an electrical conductivity of the third channel portion; the third source portion and the third storage electrode are connected to each other, and are of an integral structure; and the third drain is in contact with the third drain portion, and is electrically connected to the sensing signal line.