公开(公告)号：US20240049495A1

公开(公告)日：2024-02-08

申请号：US18358858

申请日：2023-07-25

Applicant: LG Display Co., Ltd.

Inventor： Jeongeun WON ,  SeungRyong JOUNG ,  Chunki KIM ,  Yosub LEE

IPC: H10K50/13 ,  H10K50/15

CPC classification number: H10K50/13 ,  H10K50/156 ,  H10K59/12

Abstract: A display apparatus according to an example embodiment of the present disclosure includes a cathode electrode over a substrate, a first emission part over the cathode electrode, the first emission part including a first electron transport layer, a first emission layer, a first hole transport layer, and a first charge generation layer, a second emission part over the first emission part, the second emission part including a second charge generation layer, a second electron transport layer, a second emission layer, a second hole transport layer, and a third charge generation layer, a third emission part over the second emission part, the third emission part including a fourth charge generation layer, a third electron transport layer, a third emission layer, and a third hole transport layer, and an anode electrode over the third emission part. A thickness of the third electron transport layer may be larger than a thickness of the second electron transport layer.