公开(公告)号：US20250040428A1

公开(公告)日：2025-01-30

申请号：US18761098

申请日：2024-07-01

Applicant: LG CHEM, LTD.

Inventor： Soyeon KIM ,  Minjun KIM ,  Sang Duk SUH ,  Min Woo JUNG ,  Young Seok KIM ,  Donghee KIM ,  Sunmi LEE

IPC: H10K85/60 ,  C07D307/77 ,  C07D307/91 ,  C07D333/50 ,  C07D409/12 ,  C09K11/06 ,  H10K50/12 ,  H10K101/00

Abstract: A compound of Chemical Formula 1: where X1 and X2 are each independently O or S; A1 is a benzene ring fused with adjacent pentagonal and benzene rings; A2 is a naphthalene ring fused with an adjacent pentagonal ring; Ar is a substituted or unsubstituted C6-60 aryl, a substituted or unsubstituted C2-60 heteroaryl containing a heteroatom of O or S, or a substituted or unsubstituted C2-60 heteroaryl containing a heteroatom of N and at least one selected of O and S; R1 and R2 are each independently hydrogen, deuterium, halogen, cyano, or a substituted or unsubstituted C1-60 alkyl; 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 in an organic material layer exhibits improved efficiency, low driving voltage and/or improved lifetime characteristics.

公开(公告)号：US20210036236A1

公开(公告)日：2021-02-04

申请号：US16982229

申请日：2019-04-19

Applicant: LG CHEM, LTD.

Inventor： Minjun KIM ,  Kongkyeom KIM ,  Min Woo LEE ,  Donghee KIM

IPC: H01L51/00 ,  C07D409/14 ,  C07D405/14 ,  C07D495/04 ,  C07D491/048

Abstract: Provided is a compound of Chemical Formula 1: wherein: R1 to R4 are each independently hydrogen, or groups adjacent to each other can bond to form a substituted or unsubstituted monocyclic or polycyclic ring; L is a direct bond or a substituted or unsubstituted arylene group; and Ar is Chemical Formula D: wherein: Y1 to Y5 each independently is N or CR; at least one of Y1 to Y5 is N; R is hydrogen, deuterium, a halogen group, a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heteroaryl group, and adjacent Rs can bond to each other to form a substituted or unsubstituted ring; and when R is two or more, the Rs are the same as or different from each other, and an organic light emitting device comprising the same.

公开(公告)号：US20230354706A1

公开(公告)日：2023-11-02

申请号：US18016720

申请日：2021-10-22

Applicant: LG CHEM, LTD.

Inventor： Minjun KIM ,  Dong Hoon LEE ,  Sang Duk SUH ,  Young Seok KIM ,  Donghee KIM ,  Joongsuk OH ,  Da Jung LEE

IPC: H10K85/60 ,  C07D405/04 ,  C09K11/06 ,  C07D409/14 ,  C07D405/14 ,  C07D405/10 ,  C07D209/80 ,  C07D409/10 ,  C07D409/12 ,  C07D405/12

CPC classification number: H10K85/6574 ,  C07D405/04 ,  C09K11/06 ,  H10K85/654 ,  H10K85/615 ,  H10K85/622 ,  C07D409/14 ,  H10K85/6576 ,  C07D405/14 ,  H10K85/626 ,  C07D405/10 ,  H10K85/6572 ,  C07D209/80 ,  H10K85/636 ,  C07D409/10 ,  H10K85/633 ,  C07D409/12 ,  C07D405/12 ,  H10K50/11

Abstract: Provided is an organic light emitting device comprising an anode; a cathode; and a light emitting layer between the anode and the cathode, wherein the light emitting layer comprises a compound of the following Chemical Formula 1 and a compound of the following Chemical Formula 2:




where A′ is a naphthalene ring fused with an adjacent ring and is unsubstituted or substituted with deuterium, and the other substituents are described in the specification. Organic light emitting devices in which a compound of Chemical Formula 1 and a compound of Chemical Formula 2 are co-deposited as a host for a light emitting layer exhibit reduced driving voltage and increased efficiency and lifespan.

公开(公告)号：US20210013425A1

公开(公告)日：2021-01-14

申请号：US16981429

申请日：2019-04-04

Applicant: LG CHEM, LTD.

Inventor： Minjun KIM ,  Kongkyeom KIM ,  Min Woo LEE ,  Donghee KIM

IPC: H01L51/00 ,  C07D403/14 ,  C09K11/06

Abstract: Provided is a compound of Chemical Formula 1: wherein: X1 is N or CR, X2 is N or CR′, and X3 is N or CR″; two or more of X1 to X3 are N; R, R′, R″ and R1 each independently is hydrogen or deuterium, a is an integer of 0 to 9, and when a is 2 or greater, the R1s are the same as or different from each other Ar1 and Ar2 each independently is a substituted or unsubstituted aryl group; L is a direct bond or a substituted or unsubstituted arylene group, n is an integer of 1 to 3, and when n is 2 or 3, the Ls are the same as or different from each other; and R11 to R18 each independently is hydrogen, deuterium, a nitrile group, or a substituted or unsubstituted: alkyl group, cycloalkyl group, alkoxy group, aryloxy group, aryl group, or heteroaryl group, or bond to adjacent groups to form a substituted or unsubstituted ring, and an organic light emitting device comprising same.

公开(公告)号：US20190237680A1

公开(公告)日：2019-08-01

申请号：US16339284

申请日：2018-03-27

Applicant: LG CHEM, LTD

Inventor： Minjun KIM ,  Hyok Joon KWON ,  Young Seok KIM ,  Donghee KIM ,  Kongkyeom KIM ,  Min Woo LEE

IPC: H01L51/00 ,  H01L51/50 ,  C07D209/82

CPC classification number: H01L51/0072 ,  C07D209/56 ,  C07D209/82 ,  C07D403/04 ,  C09K11/06 ,  H01L51/00 ,  H01L51/50 ,  H01L51/5012 ,  H01L51/5056 ,  H01L51/5092

Abstract: The present specification provides a benzocarbazole-based compound of chemical formula 1 and an organic light-emitting device comprising same. The benzocarbazole-based compound as a material of an organic material layer of the organic light emitting device provides enhanced efficiency, low driving voltage and increased lifetime.

公开(公告)号：US20240341113A1

公开(公告)日：2024-10-10

申请号：US18267079

申请日：2022-04-05

Applicant: LG CHEM, LTD.

Inventor： Minjun KIM ,  Dong Hoon LEE ,  Sang Duk SUH ,  Young Seok KIM ,  Donghee KIM

IPC: H10K50/12 ,  H10K85/60

CPC classification number: H10K50/12 ,  H10K85/622 ,  H10K85/633 ,  H10K85/636 ,  H10K85/654 ,  H10K85/6572 ,  H10K85/6574 ,  H10K85/6576

Abstract: An organic light emitting device comprising an anode; a cathode; and a light emitting layer between the anode and the cathode, the light emitting layer including a compound represented by Chemical Formula 1 and a compound represented by Chemical Formula 2, is provided.
[Chemical formula2]

公开(公告)号：US20240109884A1

公开(公告)日：2024-04-04

申请号：US18267913

申请日：2022-03-30

Applicant: LG CHEM, LTD.

Inventor： Minjun KIM ,  Dong Hoon LEE ,  Donghee KIM ,  Jongsoo SONG ,  Sungju PARK

IPC: C07D419/14 ,  C07D417/10 ,  C07D417/14 ,  C07D419/10 ,  H10K85/60

CPC classification number: C07D419/14 ,  C07D417/10 ,  C07D417/14 ,  C07D419/10 ,  H10K85/615 ,  H10K85/633 ,  H10K85/654 ,  H10K85/6574 ,  H10K85/6576

Abstract: Provided is a compound of Chemical Formula 1:






wherein: A1 represents Chemical Formula 1-a:










where X is O or S; and Ar1 is a substituted or unsubstituted C6-60 aryl or C2-60 heteroaryl containing at least one of N, O and S; and A2 is Chemical Formula 1-b or Chemical Formula 1-c:








wherein: L1 to L4 are each independently a single bond, a substituted or unsubstituted C6-60 arylene, or a substituted or unsubstituted C2-60 heteroarylene containing at least one of N, O and S; Ar2 to Ar5 are each independently a substituted or unsubstituted C6-60 aryl or C2-60 heteroaryl containing at least one of N, O and S; D is deuterium; and n is an integer of 0 to 5, and an organic light emitting device including the same. An organic light-emitting device containing the compound exhibits improved efficiency, driving voltage and/or lifespan characteristics.

公开(公告)号：US20240107884A1

公开(公告)日：2024-03-28

申请号：US18038511

申请日：2022-02-21

Applicant: LG CHEM, LTD.

Inventor： Minjun KIM ,  Dong Hoon LEE ,  Sang Duk SUH ,  Young Seok KIM ,  Donghee KIM ,  Joongsuk OH ,  Da Jung LEE

IPC: H10K85/60 ,  C07D405/04 ,  C09K11/06 ,  C07D409/14 ,  C07D405/14 ,  C07D405/10 ,  C07C211/54 ,  C07D307/91 ,  C07D333/76 ,  C07D209/88 ,  C07C211/61 ,  C07D409/12

CPC classification number: H10K85/6574 ,  C07D405/04 ,  C09K11/06 ,  H10K85/654 ,  H10K85/615 ,  H10K85/622 ,  C07D409/14 ,  H10K85/6576 ,  H10K85/626 ,  C07D405/14 ,  C07D405/10 ,  C07C211/54 ,  H10K85/633 ,  C07D307/91 ,  H10K85/636 ,  C07D333/76 ,  C07D209/88 ,  C07C211/61 ,  C07D409/12 ,  H10K50/11

Abstract: Provided is an organic light emitting device having improved driving voltage, efficiency and lifetime, the device comprising: an anode; a cathode; and a light emitting layer therebetween, wherein the light emitting layer comprises a compound of Chemical Formula 1 and a compound of Chemical Formula 2:






wherein: any one of R′1 to R′12 is Chemical Formula 3, and the rest are hydrogen or deuterium:










R1 is hydrogen, deuterium, or a substituted or unsubstituted C6-30 aryl or C2-60 heteroaryl containing one or more of N, O and S; Ar1, Ar2, Ar′1, and Ar′2 are each independently a substituted or unsubstituted C6-60 aryl or C2-60 heteroaryl containing one or more of N, O and S; and the other substituents are as defined in the specification.

公开(公告)号：US20250040435A1

公开(公告)日：2025-01-30

申请号：US18760803

申请日：2024-07-01

Applicant: LG CHEM, LTD.

Inventor： Young Seok KIM ,  Minjun KIM ,  Sang Duk SUH ,  Min Woo JUNG ,  Donghee KIM ,  Soyeon KIM ,  Sunmi LEE

IPC: H10K85/60 ,  C07D307/77 ,  C07D307/91 ,  C07D405/04 ,  C07D405/10 ,  C07D405/14 ,  C07D409/14 ,  C07F7/08 ,  C09K11/06 ,  H10K50/12 ,  H10K85/40 ,  H10K101/00

Abstract: An organic light emitting device including an anode; a cathode opposite to the anode; and a light emitting layer interposed between the anode and the cathode, wherein the light emitting layer includes a first compound of Chemical Formula 1 and a second compound of Chemical Formula 2: where Ar1 and Ar2 are each independently a substituted or unsubstituted C6-60 aryl or C2-60 heteroaryl containing at least one heteroatom selected among N, O and S; X1 and X2 are each independently O or S; A1 and A2 are each independently a naphthalene ring fused with an adjacent pentagonal ring; Ar′ is a substituted or unsubstituted C6-60 aryl or C2-60 heteroaryl containing at least one heteroatom selected among N, O and S; and the other substituents are as defined in the specification.

公开(公告)号：US20240196738A1

公开(公告)日：2024-06-13

申请号：US18283192

申请日：2022-11-10

Applicant: LG CHEM, LTD.

Inventor： Da Jung LEE ,  Dong Hoon LEE ,  Minjun KIM ,  Sang Duk SUH ,  Young Seok KIM ,  Donghee KIM ,  Joongsuk OH

IPC: H10K85/60 ,  C07D403/10 ,  C09K11/06 ,  H10K50/11

CPC classification number: H10K85/654 ,  C07D403/10 ,  C09K11/06 ,  H10K85/615 ,  H10K85/626 ,  H10K85/6572 ,  C09K2211/1018 ,  H10K50/11

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




wherein in Chemical Formula 1: Ar1 is a substituted or unsubstituted C6-20 aryl; Ar2 is a substituted or unsubstituted phenyl or a substituted or unsubstituted naphthyl; L is phenylene or naphthalenediyl, wherein the phenylene or naphthalenediyl is unsubstituted or substituted with deuterium or a C6-60 aryl; R1 and R2 are each independently hydrogen or deuterium; n1 is an integer of 0 to 6; and n2 is an integer of 0 to 8, and an organic light emitting device including the same. When compounds of Chemical Formula 1 are applied to the light emitting layer of an organic light emitting device, a device having low voltage, high efficiency, and long lifetime characteristics can be obtained.