Patent ID: 11942482
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Semiconductors (Electrical engineering)
Classification: CPC H | IPC H

Claim 16:
17. A method for manufacturing a display device, comprising:
forming a light blocking layer on a substrate;
forming a first oxygen supply layer on the light blocking layer;
forming a buffer layer on the first oxygen supply layer;
forming a semiconductor layer on the buffer layer,
depositing a gate insulating layer on the semiconductor layer,
depositing a second oxygen supply layer on the gate insulating layer;
depositing a gate conductive layer on the second oxygen supply layer; and
etching the gate insulating layer, the second oxygen supply layer, and the gate conductive layer by using a mask, wherein
the semiconductor layer comprises an oxide semiconductor, and
the first oxygen supply layer comprises a metal oxide that includes at least one of indium, zinc, gallium, and tin.