Patent ID: 11877463
Assignee: LG DISPLAY CO., LTD.
Field: nan (nan)
Classification: CPC H | IPC H

Claim 0:
1. A light emitting display device comprising:
a substrate including a plurality of subpixels;
an anode provided in each of the subpixels;
a cathode provided throughout the subpixels opposite the anode;
a first stack and a second stack provided between the anode and the cathode, and separated from each other by a charge generation layer, each of the first stack and the second stack including an emission layer; and
a hole injection layer provided between the anode and the first stack, and being in contact with the anode,
wherein the hole injection layer contacts a first hole transport layer of the first stack, and an orientation factor S′ of the hole injection layer is less than an orientation factor S′ of the first hole transport layer.