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

Claim 9:
10. A light emitting display device comprising:
a substrate including a first subpixel, a second subpixel and a third subpixel;
a first anode, a second anode and a third anode respectively provided in the first to third subpixels;
a cathode provided throughout the first to third subpixels opposite the first to third anodes;
a first stack and a second stack separated by an n-type charge generation layer, and provided between the first to third anodes and the cathode;
a first p-type charge generation layer between the n-type charge generation layer and the second stack, in the first subpixel; and
a second p-type charge generation layer provided between the n-type charge generation layer and the second stack, in each of the second and third subpixels, the second p-type charge generation layer to have an orientation factor S′ less than an orientation factor S′ of the first p-type charge generation layer,
wherein the first subpixel comprises first color emission layers, the second subpixel comprises second color emission layers and the third subpixel comprises third color emission layers, in the first stack and the second stack, respectively.