公开(公告)号：US20230053320A1

公开(公告)日：2023-02-16

申请号：US17886456

申请日：2022-08-12

Applicant: Samsung Display Co., Ltd.

Inventor： Jungsun PARK ,  Hyejin Gwark ,  Arong Kim ,  Jaeik Kim ,  Heemin Park ,  Seungyong Song ,  Duckjung Lee ,  Yeonhwa Lee ,  Joongu Lee ,  Kyuhwan Hwang

IPC: H01L51/50 ,  H01L27/32

Abstract: A display apparatus includes a substrate, a first electrode, a second electrode to be adjacent to the first electrode, a first emission layer on the first electrode, a second emission layer on the second electrode, a first low adhesive pattern between a center of the first emission layer and a center of the second emission layer in a plan view, a first negative charge generation layer continuously disposed to cover the first emission layer, the second emission layer, and the first low adhesive pattern, a first positive charge generation layer on the first negative charge generation layer, a first upper emission layer on the first positive charge generation layer and overlapping the first emission layer, a second upper emission layer on the first positive charge generation layer and overlapping the second emission layer, and a common electrode on the first upper emission layer and the second upper emission layer.