公开(公告)号：US20230269998A1

公开(公告)日：2023-08-24

申请号：US18148324

申请日：2022-12-29

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： EUNYOUNG LEE ,  ILJOON KANG ,  SOO-BYUNG KO ,  SUNGBUM KIM ,  SUJIN SHIN ,  MINA JEON

IPC: H10K85/30 ,  H10K85/40 ,  C07F15/00 ,  C09K11/06

CPC classification number: H10K85/341 ,  H10K85/40 ,  C07F15/006 ,  C09K11/06 ,  H10K50/12

Abstract: A light emitting element that includes a first electrode, a second electrode on the first electrode, and an emission layer between the first electrode and the second electrode is provided. The emission layer includes an organometallic compound represented by Formula 1. The light emitting element has a reduced driving voltage, emits light having an increased color purity, and exhibits a high efficiency and a long lifespan.

公开(公告)号：US20220352479A1

公开(公告)日：2022-11-03

申请号：US17579491

申请日：2022-01-19

Applicant: Samsung Display Co., Ltd

Inventor： HYUNJUNG LEE ,  SUNGBUM KIM ,  EUNSOO AHN ,  EUNYOUNG LEE ,  JAESUNG LEE ,  MINA JEON

IPC: H01L51/00 ,  C07F15/00 ,  C09K11/06

Abstract: An organic electroluminescence device includes: a first electrode; a hole transport region disposed on the first electrode; an emission layer disposed on the hole transport region; an electron transport region disposed on the emission layer; and a second electrode disposed on the electron transport region, wherein the emission layer includes an organometallic compound of Formula 1: wherein, in Formula 1, the variables are described herein.