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

Claim 10:
11. The method according to claim 10, wherein
the display substrate further includes: a gate line and a data line that are electrically connected to the pixel driving circuit, and a first connection electrode disposed in the sub-pixel;
the pixel driving circuit further includes a second transistor, and the second transistor includes a second gate, a second semiconductor active pattern, a second source and a second drain; the second semiconductor active pattern includes a second channel portion, a second source portion and a second drain portion, and electrical conductivities of the second source portion and the second drain portion are greater than an electrical conductivity of the second channel portion; and the second source is in contact with the second source portion, and the second drain is in contact with the second drain portion;
forming the pixel driving circuit further includes: simultaneously forming the second semiconductor active pattern in a process of forming the first semiconductor active pattern;
a portion of the gate line serves as the second gate; and the method further comprises: simultaneously forming the gate line in a process of forming the first gate; and
the second source is electrically connected to the data line; the second drain and the first connection electrode are electrically connected to each other, and are of an integral structure; the first connection electrode is further electrically connected to the first gate and the second storage electrode; and the method for manufacturing the display substrate further comprises: simultaneously forming the first connection electrode, the second source, the second drain, and the data line in a process of forming the first source.