Patent ID: 11903249
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Semiconductors (Electrical engineering)
Classification: CPC H | IPC H

Claim 5:
6. The display device of claim 3, wherein the multi-layered etch stopper layer further includes at least one of:
a fourth etch stopper layer disposed on the third etch stopper layer and surrounding each of the via holes, the fourth etch stopper layer including an inorganic layer;
a fifth etch stopper layer entirely disposed on the first surface including the fourth etch stopper layer, the fifth etch stopper layer being open in the region corresponding to the via holes, the fifth etch stopper layer including an organic layer; and
a sixth etch stopper layer entirely disposed on the fifth etch stopper layer, the sixth etch stopper layer being open in the region corresponding to the via holes, the sixth etch stopper layer including an inorganic layer.