公开(公告)号：US20220340571A1

公开(公告)日：2022-10-27

申请号：US17695845

申请日：2022-03-16

Applicant: Samsung Display Co., Ltd.

Inventor： Seulong Kim ,  Samil KHO ,  Hyoungkun KIM ,  Donghwan KIM ,  Hyein JEONG

IPC: C07D471/10 ,  C07D251/24 ,  C07D401/14 ,  C07D401/04 ,  C07D471/04 ,  C07D405/14 ,  C07D409/14 ,  C07D405/10 ,  C07D403/10 ,  C09K11/77 ,  H01L51/00

Abstract: A light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an interlayer between the first electrode and the second electrode, wherein the interlayer includes an emission layer and an electron transport region, the electron transport region is between the emission layer and the second electrode, the electron transport region includes a first compound of Formula 1, an alkali metal halide, and a lanthanide metal, and the first compound includes one or more C8-C60 carbocyclic groups or a C8-C60 heterocyclic group, wherein, in Formula 1, the variables are defined herein.