公开(公告)号：US20230217764A1

公开(公告)日：2023-07-06

申请号：US18063283

申请日：2022-12-08

Applicant: LG Display Co., Ltd.

Inventor： Nack Youn JUNG ,  Hong-Seok CHOI ,  Eun-Jung PARK ,  Min Soo KANG ,  Jang Dae YOUN

IPC: H10K59/35 ,  H10K59/38 ,  H10K50/13

CPC classification number: H01L27/3213 ,  H01L27/3218 ,  H01L27/322 ,  H01L51/504

Abstract: Disclosed is a light emitting display device including a substrate having first to fourth subpixels, first to fourth anodes provided respectively on the first to fourth subpixels, an emission unit provided on the first to fourth anodes, the emission unit including two or more blue stacks and a phosphorescent stack including at least a yellowish green emission layer and a green emission layer, a cathode provided on the emission unit, a red filter and a color conversion layer provided between the substrate and the first anode, a green filter provided between the substrate and the second anode, and a blue filter provided between the substrate and the third anode, wherein the first anode has a first thickness, and at least one of the second to fourth anodes has a second thickness greater than the thickness of the first anode.