公开(公告)号：US20230403919A1

公开(公告)日：2023-12-14

申请号：US17839384

申请日：2022-06-13

Applicant: Samsung Display Co., Ltd.

Inventor： Hyunsuk PARK ,  Katsushi Kishimoto

IPC: H01L51/00 ,  H01L51/50 ,  B82Y30/00 ,  H01L51/44

CPC classification number: H01L51/0005 ,  H01L51/504 ,  B82Y30/00 ,  H01L51/442 ,  H01L2251/558

Abstract: An organic light-emitting display apparatus capable of a high-quality image includings a substrate, a first pixel electrode over the substrate, and a first color emission layer disposed over the first pixel electrode and has an upper surface on which a distance in a direction perpendicular to a surface of the substrate between a highest point and a lowest point is about 400 Å to about 900 Å.