Patent ID: 11862642
Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
Field: Semiconductors (Electrical engineering)
Classification: CPC H | IPC H

Claim 10:
11. The method as claimed in claim 10, wherein forming the thin film transistor device comprises steps of:
forming an active layer;
forming a gate insulation layer to cover the active layer;
forming the gate electrode, and using the gate electrode as a hard mask to form a doped source and drain on the active layer;
forming an inter insulation layer on the gate insulation layer to cover the gate electrode and the gate insulation layer;
perforating the gate insulation layer and the inter insulation layer at positions corresponding to the source and drain to form source and drain vias, respectively; and
forming the source electrode and the drain electrode on the inter insulation layer, wherein the source electrode and the drain electrode are electrically connected to the source and the drain through the source and drain vias, respectively.