公开(公告)号：US20240260392A1

公开(公告)日：2024-08-01

申请号：US18394754

申请日：2023-12-22

Applicant: LG Display Co., Ltd.

Inventor： Sang-Mo BYUN ,  Hyun KIM ,  Chul-Young JANG ,  Da-Yeon JEONG

IPC: H10K59/80 ,  H10K59/122

CPC classification number: H10K59/80523 ,  H10K59/122 ,  H10K59/80515

Abstract: A display apparatus includes a first subpixel, a second subpixel and a third subpixel disposed on a substrate; a first organic light emitting element configured to emit a first color of light, a second organic light emitting element configured to emit a second color of light and a third organic light emitting element configured to emit a third color of light disposed in the first, second and third subpixels, respectively; a first anode, a second anode and a third anode disposed in the first, second and third subpixels, respectively; and a first cathode, a second cathode and a third cathode disposed in the first, second and third subpixels, respectively, wherein the first, second and third cathodes include at least one layer, and wherein at least two cathodes among the first, second and third cathodes have a different number of layers than each other.