公开(公告)号：US20230119911A1

公开(公告)日：2023-04-20

申请号：US17797832

申请日：2021-02-16

Applicant: LG CHEM, LTD.

Inventor： Jiyoung NOH ,  Yongbum CHA ,  Dong Uk HEO ,  Woochul LEE ,  Dongkeun SONG ,  Jaegoo LEE

IPC: H01L51/00 ,  C07F7/08 ,  C09K11/06 ,  C07D209/86 ,  C07C15/28 ,  C07D251/24 ,  C07D405/10

Abstract: Provided is an organic light-emitting device including an anode; a cathode; a light-emitting layer between the anode and the cathode and including a compound of Chemical Formula 2: a first organic material layer between the anode and the light-emitting layer and including a compound of Chemical Formula 1: and a second organic material layer between the light-emitting layer and the cathode and including a compound of Chemical Formula 3: wherein: Ar101, Ar102 and R101 to R108 are each independently hydrogen, deuterium, or a substituted or unsubstituted alkyl or aryl group; Ar1 and Ar2 are each independently hydrogen, deuterium, a halogen, a cyano, or a substituted or unsubstituted silyl, alkyl, cycloalkyl, or aryl group; R201 to R204 are each independently hydrogen, deuterium, a halogen, a cyano, or a substituted or unsubstituted alkyl, cycloalkyl, aryl group, or heterocyclic group; and Z is O or S.

公开(公告)号：US20230006161A1

公开(公告)日：2023-01-05

申请号：US17776816

申请日：2021-01-28

Applicant: LG CHEM, LTD.

Inventor： Dongkeun SONG ,  Jaegoo LEE ,  Yongbum CHA ,  Dong Uk HEO ,  Woochul LEE ,  Jiyoung NOH ,  Jun Young LEE

IPC: H01L51/50 ,  H01L51/00

Abstract: Provided is an organic light emitting device including an anode; a cathode; a light emitting layer between the anode and the cathode; a first organic material layer between the light emitting layer and the anode; and a second organic material layer between the light emitting layer and the cathode, wherein the first organic material layer comprises a compound of Chemical Formula 1, the light emitting layer comprises a compound of Chemical Formula 2, the second organic material layer comprises a compound of Chemical Formula 3, and Chemical Formula 1 and Chemical Formula 3 satisfy one or more of to : |EL1| Es1>Es3   ET1>ET3  

公开(公告)号：US20230061019A1

公开(公告)日：2023-03-02

申请号：US17428851

申请日：2020-11-27

Applicant: LG CHEM, LTD.

Inventor： Sujeong GEUM ,  Hye Min CHO ,  Seonwoo KIM ,  Wanpyo HONG ,  Jaegoo LEE ,  Hoon Jun KIM

IPC: H01L51/00 ,  C07F5/02 ,  C09K11/06

Abstract: A compound of Chemical Formula 1, and an organic light emitting device including the same, the compound used as a material of an organic material layer of the organic light emitting device and providing high color purity and enhanced lifetime properties.

公开(公告)号：US20220271226A1

公开(公告)日：2022-08-25

申请号：US17629926

申请日：2020-11-27

Applicant: LG CHEM, LTD.

Inventor： Dong Uk HEO ,  Sujeong GEUM ,  Jaegoo LEE ,  Sung Kil HONG ,  Woochul LEE ,  Jae Tak LEE ,  Jung Min YOON

IPC: H01L51/00 ,  C07F5/02 ,  C09K11/06 ,  C07F7/08 ,  C07D251/24 ,  C07D239/26 ,  C07D487/04

Abstract: Provided is an organic light-emitting device including an anode, a cathode, a light-emitting layer including a compound of Formula 1 between the anode and cathode, and a first organic material layer including a compound of Chemical Formula 2 between the light-emitting layer and the cathode: wherein: X1 is O or S; Cy2 is one selected from among a substituted or unsubstituted aromatic hydrocarbon ring and a substituted or unsubstituted aliphatic hydrocarbon ring, or is a fused ring of two or more rings selected from this group; and Cy3 and Cy4 are each independently one selected from among a substituted or unsubstituted: aromatic hydrocarbon ring, aliphatic hydrocarbon ring, and aromatic heteroring, or each independently is a fused ring of two or more rings selected from this group; wherein: X11 to X13 are N or CR′, and at least one of X11 to X13 is N.