公开(公告)号：US20240298531A1

公开(公告)日：2024-09-05

申请号：US18563304

申请日：2023-03-16

Applicant: LG CHEM, LTD.

Inventor： Jae Tak LEE ,  Jung Min YOON ,  Heekyung YUN ,  Su Jin HAN ,  Dong Uk HEO ,  Sung Kil HONG

IPC: H10K85/60 ,  C07D403/10 ,  C09K11/06 ,  H10K50/16 ,  H10K50/17

CPC classification number: H10K85/654 ,  C07D403/10 ,  C09K11/06 ,  H10K85/615 ,  C09K2211/1018 ,  H10K50/16 ,  H10K50/171

Abstract: Provided is a heterocyclic compound of Chemical Formula 1:



[Chemical Formula 1]








wherein: L1 is a direct bond or a substituted or unsubstituted arylene group; L2 is a substituted or unsubstituted arylene group; two or more of X1 to X3 are N and any remaining is CR′; Np is Chemical Formula 2:



[Chemical Formula 2]








wherein: the dotted lines “------” are positions of attachment of Chemical Formula 2 where one is bonded to L1 and the other is bonded to L2 of Chemical Formula 1; and the other substituents are as defined in the specification; and an organic light-emitting device including the same. A light emitting device that includes the compound of Chemical Formula 1 in an organic material layer exhibits high efficiency and long service life.

公开(公告)号：US20230331704A1

公开(公告)日：2023-10-19

申请号：US18026896

申请日：2022-03-29

Applicant: LG CHEM, LTD.

Inventor： Dong Uk HEO ,  Miyeon HAN ,  Jae Tak LEE ,  Jung Min YOON ,  Heekyung YUN ,  Hoyoon PARK ,  Sung Kil HONG ,  Jun YUN

IPC: C07D403/10 ,  C07D403/14 ,  H10K50/11 ,  H10K85/60 ,  H10K50/81 ,  H10K50/82 ,  H10K50/16 ,  H10K50/17

CPC classification number: C07D403/10 ,  C07D403/14 ,  H10K50/11 ,  H10K85/654 ,  H10K50/81 ,  H10K50/82 ,  H10K50/16 ,  H10K50/171

Abstract: Provided is a compound of Chemical Formula 1:




wherein: L1 and L2 are the same as or different from each other, and are each independently an arylene group which is unsubstituted or substituted with an aryl group, Ar1 and Ar2 are the same as or different from each other, and are each independently the following Chemical Formula A,




where X1 is N or CR1, X2 is N or CR2, X3 is N or CR3, X4 is N or CR4, and X5 is N or CR5, at least two of X1 to X5 are N, and the other substituents are as defined in the specification, and an organic light emitting device including the same. The organic light emitting device including the compound of Chemical Formula 1 exhibits remarkably excellent characteristics in terms of voltage, efficiency and service life.

公开(公告)号：US20240016053A1

公开(公告)日：2024-01-11

申请号：US18039780

申请日：2022-02-28

Applicant: LG CHEM, LTD.

Inventor： Dong Uk HEO ,  Miyeon HAN ,  Jae Tak LEE ,  Jung Min YOON ,  Heekyung YUN ,  Hoyoon PARK ,  Sung Kil HONG

IPC: H10K85/60 ,  H10K50/17 ,  H10K50/16 ,  H10K50/15

CPC classification number: H10K85/615 ,  H10K85/6574 ,  H10K85/6576 ,  H10K85/654 ,  H10K50/171 ,  H10K50/16 ,  H10K50/15 ,  C07B2200/05

Abstract: Provided is an organic light-emitting device comprising: a light emitting layer comprising a compound of the following Chemical Formula 1, and one or more of an electron transport layer, an electron injection layer, or an electron transport and injection layer that comprises at least one of a compound of the following Chemical Formula 2 and a compound of the following Chemical Formula 3:




wherein Ar2 and Ar3 are each independently a substituent of Chemical Formula 4,




where X1 to X5 are each independently N or C(R8), wherein at least two of X1 to X5 are N, and the other substituents are as defined in the specification. The organic light emitting device including the heterocyclic compound of Chemical Formula 1 and the heterocyclic compound of Chemical Formula 2 or 3 had significantly superior efficiency and lifespan.

公开(公告)号：US20230257356A1

公开(公告)日：2023-08-17

申请号：US17922827

申请日：2021-05-14

Applicant: LG CHEM, LTD.

Inventor： Miyeon HAN ,  Sung Kil HONG ,  Dong Uk HEO ,  Jung Min YOON ,  Heekyung YUN

IPC: C07D235/08 ,  H10K85/60 ,  C07D401/14 ,  C07D409/04 ,  C07D403/10 ,  C07D403/04 ,  C07D405/04

CPC classification number: C07D235/08 ,  H10K85/6572 ,  H10K85/615 ,  C07D401/14 ,  H10K85/654 ,  H10K85/622 ,  H10K85/6576 ,  C07D409/04 ,  C07D403/10 ,  C07D403/04 ,  C07D405/04 ,  H10K85/6574

Abstract: Provided is a benzimidazole-substituted fluoranthene compound of Chemical Formula 1:




where the substituents are as described in the specification, and an organic light emitting device including the same.

公开(公告)号：US20200373496A1

公开(公告)日：2020-11-26

申请号：US16639055

申请日：2018-09-18

Applicant: LG CHEM, LTD.

Inventor： Woochul LEE ,  Ki Dong KOO ,  Ji Young CHOI ,  Young Seok KIM ,  Joo Ho KIM ,  Kongkyeom KIM ,  Dongheon KIM ,  Younghee LEE ,  Ki Kon LEE ,  Sujeong GEUM ,  Jung Min YOON

IPC: H01L51/00

Abstract: Provided is an organic light emitting device comprising an anode; a cathode; and a light emitting layer provided between the anode and the cathode, wherein the light emitting layer comprises a first host material comprising a compound of Chemical Formula A: a second host material including a compound of Chemical Formula B: and a dopant material comprising a compound of Chemical Formula C or D:

公开(公告)号：US20240341176A1

公开(公告)日：2024-10-10

申请号：US18660201

申请日：2024-05-09

Applicant: LG CHEM, LTD.

Inventor： Jung Min YOON ,  Heekyung YUN ,  Jae Tak LEE ,  Su Jin HAN ,  Dong Uk HEO ,  Sung Kil HONG

IPC: H10K85/60 ,  C07D401/14 ,  C09K11/06 ,  H10K50/16 ,  H10K50/17 ,  H10K50/18

CPC classification number: H10K85/654 ,  C07D401/14 ,  C09K11/06 ,  H10K85/615 ,  C09K2211/1018 ,  H10K50/16 ,  H10K50/171 ,  H10K50/18

Abstract: The present specification relates to a compound of Chemical Formula 1 and an organic light emitting device including the same.

公开(公告)号：US20230128259A1

公开(公告)日：2023-04-27

申请号：US17911901

申请日：2021-04-29

Applicant: LG CHEM, LTD.

Inventor： Miyeon HAN ,  Sung Kil HONG ,  Dong Uk HEO ,  Jung Min YOON ,  Heekyung YUN

IPC: H10K85/60 ,  C07C255/50 ,  C09K11/06 ,  C07C255/51 ,  C07D213/57 ,  C07C255/52 ,  C07D239/74 ,  C07D307/91 ,  C07D209/88 ,  C07D251/24 ,  C07C255/54 ,  C07D333/76

Abstract: Provided is a compound of Chemical Formula 1: wherein n is 0 or 1, when n is 0, at least one of R1 to R10 is a group of Chemical Formula A, and when n is 1, at least one of R1 to R12 is a group of Chemical Formula A: wherein L1 is a direct bond, or a substituted or unsubstituted arylene or heteroarylene group; l1 is an integer of 1 to 5; m is an integer of 1 to 3; when l1 is 2 or greater, the two or more L1s are the same as or different from each other, and an organic light emitting device including the same.

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.

公开(公告)号：US20240138255A1

公开(公告)日：2024-04-25

申请号：US18265294

申请日：2022-02-28

Applicant: LG CHEM, LTD.

Inventor： Dong Uk HEO ,  Heekyung YUN ,  Miyeon HAN ,  Jae Tak LEE ,  Jung Min YOON ,  Hoyoon PARK ,  Sung Kil HONG

IPC: H10K85/60 ,  C07D237/08 ,  C07D239/26 ,  C07D239/74 ,  C07D241/12 ,  C07D251/24 ,  C07D257/08 ,  C09K11/06

CPC classification number: H10K85/654 ,  C07D237/08 ,  C07D239/26 ,  C07D239/74 ,  C07D241/12 ,  C07D251/24 ,  C07D257/08 ,  C09K11/06 ,  H10K85/626 ,  H10K50/16

Abstract: Provided is a compound of Chemical Formula 1 or 2:






wherein: R1 to R4 are each independently hydrogen or deuterium; n1 to n4 are an integer of 1 to 4; L1 and L2 are each independently a direct bond or a substituted or unsubstituted C6-60 arylene; and Ar1 and Ar2 are each independently a substituent of Chemical Formula 3:










wherein X1 to X5 are each independently N or C(R5), wherein at least two of X1 to X5 are N; and each R5 is independently hydrogen, deuterium, a substituted or unsubstituted C1-20 alkyl, a substituted or unsubstituted C6-60 aryl, or a substituted or unsubstituted C2-60 heteroaryl containing at least one of N, O and S, or two adjacent R5s combine to form a benzene ring; and an organic light emitting device including the same. The device exhibits significantly superior efficiency and lifespan.

公开(公告)号：US20230053612A1

公开(公告)日：2023-02-23

申请号：US17784423

申请日：2020-12-18

Applicant: LG CHEM, LTD.

Inventor： Jung Min YOON ,  Sung Kil HONG ,  Dong Uk HEO ,  Miyeon HAN ,  Jae Tak LEE ,  Heekyung YUN

IPC: H01L51/00 ,  C07D401/10 ,  C07D405/14 ,  C07D409/14

Abstract: Provided is a heterocyclic compound of Chemical Formula 1: wherein: A1 is Chemical Formula 1-1: Y1 and Y2 are hydrogen or deuterium, or directly bonded to each other, or linked through —C(R31)(R32)-, —Si(R33)(R34)-, —N(R35)-, —O—, or —S—; any one of R11 to R26 is linked to L1, and of the remaining, one is linked to L4 of Chemical Formula 1, and the others are each independently hydrogen, deuterium, a cyano group, or a substituted or unsubstituted: alkyl, aryl, or heteroaryl group; at least two of X1 to X3 are N, and the other is CH; R1 is a substituted or unsubstituted alkyl group; L1 to L4 are each independently a direct bond or a substituted or unsubstituted arylene or heteroarylene group; and Ar1 to Ar3 are each independently a substituted or unsubstituted alkyl, aryl, or heteroaryl group; and an organic light-emitting device including the same.