Patent ID: 11925064
Assignee: BOE TECHNOLOGY GROUP CO., LTD.
Field: Semiconductors (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A method of manufacturing a display substrate, comprising:
forming a thin film transistor, an oxygen containing layer and an oxygen supplementing functional layer on a base substrate, wherein
forming the thin film transistor comprises forming an active layer, wherein the forming the active layer comprises depositing an oxide semiconductor material and performing a patterning process on the oxide semiconductor material,
forming the oxygen containing layer comprises depositing an oxygen containing layer material to form the oxygen containing layer before or after forming the active layer, such that the oxygen containing layer is in direct contact with the active layer; and
forming the oxygen supplementing functional layer comprises depositing a metal oxide material on a side of the oxygen containing layer distal to the base substrate to form a metal oxide film by a sputtering deposition process in a sputtering deposition process environment containing oxygen; and performing a patterning process on the metal oxide film to obtain a pattern of the oxygen supplementing functional layer, such that the oxygen supplementing functional layer serves as a first electrode of the display substrate, and the first electrode is any one of a pixel electrode, a common electrode or an anode of an organic light emitting diode;
the method further comprises performing a high temperature treatment process to cause oxygen ions contained in the oxygen containing layer to be diffused into the active layer after forming the oxygen supplementing functional layer.