公开(公告)号：US20240423087A1

公开(公告)日：2024-12-19

申请号：US18731128

申请日：2024-05-31

Applicant: LG CHEM, LTD.

Inventor： Yongbum CHA ,  Kyunghee KIM ,  Moung Gon KIM ,  Woochul LEE ,  Sunghyun HWANG

IPC: H10K85/40 ,  C07F7/08 ,  C09K11/06 ,  H10K50/11 ,  H10K50/16 ,  H10K50/17 ,  H10K50/18 ,  H10K85/60

Abstract: A compound of Chemical Formula 1 and an organic light emitting device including the same: wherein at least one of X1 to X3 is N, and the others are CR13; Y1 is O or S; L1 is a direct bond or a substituted or unsubstituted monocyclic arylene group; R1 to R5, R11 to R13, G1 to G8 and Q1 to Q16 are the same as or different from each other, and are each independently hydrogen or deuterium, and the other substituents are as defined in the specification. When the compound is included in an organic light emitting device, the device exhibits excellent characteristics in terms of efficiency, driving voltage, and stability.

公开(公告)号：US20240251668A1

公开(公告)日：2024-07-25

申请号：US18037606

申请日：2022-02-22

Applicant: LG CHEM, LTD.

Inventor： Min Woo JUNG ,  Dong Hoon LEE ,  Sang Duk SUH ,  Jungha LEE ,  Su Jin HAN ,  Seulchan PARK ,  Sunghyun HWANG

IPC: H10K85/60 ,  C07D405/04 ,  C07D405/14 ,  C07D409/14 ,  C09K11/06 ,  H10K50/11

CPC classification number: H10K85/654 ,  C07D405/04 ,  C07D405/14 ,  C07D409/14 ,  C09K11/06 ,  H10K85/615 ,  H10K85/6574 ,  H10K85/6576 ,  C09K2211/1018 ,  H10K50/11

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




where Y is O or S; D is deuterium, L is a single bond, substituted or unsubstituted C6-60 arylene, or substituted or unsubstituted C2-60 heteroarylene containing at least one of N, O and S; L1 and L2 are each independently a single bond or substituted or unsubstituted C6-60 arylene; Ar1 and Ar2 are each independently substituted or unsubstituted C6-60 aryl or substituted or unsubstituted C2-60 heteroaryl containing at least one of N, O and S; and R is hydrogen or C6-60 aryl that is unsubstituted or substituted with deuterium and an organic light-emitting device including the same. An organic light-emitting device containing the compound of Chemical Formula 1 as a host material of the light emitting layer exhibits significantly improved lifespan without a decrease in efficiency.

公开(公告)号：US20220059773A1

公开(公告)日：2022-02-24

申请号：US17274878

申请日：2019-09-20

Applicant: LG CHEM, LTD.

Inventor： Su Jin HAN ,  Dong Hoon LEE ,  Boon Jae JANG ,  Wanpyo HONG ,  Min Woo JUNG ,  Jungha LEE ,  Seulchan PARK ,  Sunghyun HWANG

IPC: H01L51/00 ,  C07D409/14 ,  C07D487/04 ,  C07D405/14

Abstract: Provided is a heterocyclic compound of Chemical Formula 1: wherein: X is O or S; Y1, Y2 and Y3 are each independently CH or N, provided that at least one is N; L1 and L2 are each independently a direct bond, a substituted or unsubstituted C6-60 arylene, or a substituted or unsubstituted C5-60 heteroarylene containing at least one of N, O and S; and Ar is a substituted or unsubstituted C6-60 aryl, and Ar2 and Ar3 are each independently a substituted or unsubstituted C6-60 aryl or a C5-60 heteroaryl containing at least one of N, O and S, provided that when all of Ar1, Ar2 and Ar3 are a substituted or unsubstituted C6-60 aryl, any one of Ar1, Ar2 and Ar3 is substituted with 4 or more deuteriums; and an organic light emitting device including the same.

公开(公告)号：US20210408396A1

公开(公告)日：2021-12-30

申请号：US17291539

申请日：2020-01-15

Applicant: LG CHEM, LTD.

Inventor： Sang Duk SUH ,  Minjun KIM ,  Min Woo JUNG ,  Jungha LEE ,  Donghee KIM ,  Sunghyun HWANG ,  Dong Hoon LEE

IPC: H01L51/00 ,  C07D487/16 ,  C09K11/06

Abstract: A compound of Chemical Formula 1, and an organic light emitting device comprising the same, the compound used as a material of an organic material layer of the organic light emitting device and providing enhanced efficiency and low driving voltage of the organic light emitting device.

公开(公告)号：US20210391544A1

公开(公告)日：2021-12-16

申请号：US17285179

申请日：2020-03-13

Applicant: LG CHEM, LTD.

Inventor： Su Jin HAN ,  Dong Hoon LEE ,  Boon Jae JANG ,  Sang Duk SUH ,  Min Woo JUNG ,  Jungha LEE ,  Seulchan PARK ,  Sunghyun HWANG

IPC: H01L51/00 ,  C07D403/04 ,  C07D409/14 ,  C07D403/14 ,  C07D405/14

Abstract: A cyclic compound represented by Chemical Formula 1 and an organic light emitting device using the same, the compound used as a material of an organic material layer of the organic light emitting device and providing improved properties of efficiency, driving voltage, and lifetime characteristics of the organic light emitting device.

公开(公告)号：US20210280799A1

公开(公告)日：2021-09-09

申请号：US17253085

申请日：2019-07-08

Applicant: LG CHEM, LTD.

Inventor： Min Woo JUNG ,  Dong Hoon LEE ,  Boonjae JANG ,  Jungha LEE ,  Su Jin HAN ,  Seulchan PARK ,  Sunghyun HWANG

IPC: H01L51/00 ,  C07D405/14 ,  C09K11/06 ,  C07D409/14 ,  C07D209/86

Abstract: Provided is a novel compound of Chemical Formula 1: wherein, in Chemical Formula 1; X is O, S, or C(R1R2); R1 and R2 are each independently a substituted or unsubstituted C1-60 alkyl; Ar1 and Ar2 are each independently a substituted or unsubstituted C6-60 aryl; R1′ and R2′ are each independently hydrogen, deuterium, halogen, cyano, nitro, amino, or a substituted or unsubstituted C1-60 alkyl; R3′, R4′, R5′, and R6′ are each independently hydrogen, deuterium, halogen, cyano, nitro, amino, or a substituted or unsubstituted C1-60 alkyl; a, d, and f are each independently an integer of 0 to 4; b is an integer of 0 to 2; and c and e are each independently an integer of 0 to 3, and an organic light emitting device including the same.

公开(公告)号：US20240114770A1

公开(公告)日：2024-04-04

申请号：US18272041

申请日：2022-02-23

Applicant: LG CHEM, LTD.

Inventor： Su Jin HAN ,  Dong Hoon LEE ,  Sang Duk SUH ,  Min Woo JUNG ,  Jungha LEE ,  Seulchan PARK ,  Sunghyun HWANG

IPC: H10K85/60 ,  C07D403/10 ,  C07D405/14 ,  C07D409/14 ,  C07D487/04 ,  C09K11/06

CPC classification number: H10K85/622 ,  C07D403/10 ,  C07D405/14 ,  C07D409/14 ,  C07D487/04 ,  C09K11/06 ,  H10K85/654 ,  H10K85/6572 ,  H10K85/6574 ,  H10K85/6576 ,  H10K50/11

Abstract: An organic light emitting device having improved efficiency, driving voltage, and lifespan is provided. The organic light emitting device comprises an anode, a cathode, and a light emitting between the anode and the cathode, and the light emitting layer comprises a first compound represented by Chemical Formula 1 and a second compound represented by Chemical Formula 2.

公开(公告)号：US20230406841A1

公开(公告)日：2023-12-21

申请号：US18038274

申请日：2022-02-22

Applicant: LG CHEM, LTD.

Inventor： Min Woo JUNG ,  Dong Hoon LEE ,  Sang Duk SUH ,  Jungha LEE ,  Su Jin HAN ,  Seulchan PARK ,  Sunghyun HWANG

IPC: C07D403/10 ,  C07D403/14 ,  C07D407/14 ,  H10K50/11 ,  C07D409/14 ,  H10K85/60

CPC classification number: C07D403/10 ,  C07D403/14 ,  C07D407/14 ,  H10K50/11 ,  C07D409/14 ,  H10K85/6572 ,  C07B2200/05

Abstract: Provided is a novel compound Chemical Formula 1:




wherein: L is a single bond, a substituted or unsubstituted C6-60 arylene, or a substituted or unsubstituted C2-60 heteroarylene containing one or more of N, O and S; L1 and L2 are each independently a single bond or a substituted or unsubstituted C6-60 arylene, Ar1 and Ar2 are each independently a substituted or unsubstituted C6-60 aryl or C2-60 heteroaryl containing one or more of N, O and S, L′ is a single bond or a substituted or unsubstituted C6-60 arylene, Q is a substituted or unsubstituted C6-60 aryl, R is deuterium or deuterium-substituted phenyl, and n is 1 to 8, and an organic light emitting device including the same. Organic light emitting devices that include the compound of Chemical Formula 1 as a host material for the light emitting layer exhibit remarkably improved lifetime characteristics without reducing luminous efficiency.

公开(公告)号：US20230263054A1

公开(公告)日：2023-08-17

申请号：US18015844

申请日：2021-07-30

Applicant: LG CHEM, LTD.

Inventor： Sunghyun HWANG ,  Sang Duk SUH ,  Min Woo JUNG ,  Jungha LEE ,  Su Jin HAN ,  Seulchan PARK ,  Dong Hoon LEE

IPC: H10K85/60

CPC classification number: H10K85/6572 ,  H10K85/654 ,  H10K85/6574 ,  H10K85/6576 ,  H10K85/657 ,  H10K50/12

Abstract: Provided is an organic light emitting device comprising: a positive electrode; a negative electrode opposite the positive electrode; and a light emitting layer between the positive electrode and negative electrode, wherein the light emitting layer comprises a first compound of Chemical Formula 1, a second compound of Chemical Formula 2, and a third compound of Chemical Formula 3 as defined in the specification:

公开(公告)号：US20220310936A1

公开(公告)日：2022-09-29

申请号：US17624921

申请日：2021-02-23

Applicant: LG CHEM, LTD.

Inventor： Sang Duk SUH ,  Min Woo JUNG ,  Jungha LEE ,  Su Jin HAN ,  Seulchan PARK ,  Sunghyun HWANG ,  Dong Hoon LEE

IPC: H01L51/00 ,  C07D487/04 ,  C09K11/06 ,  C07D209/86 ,  C07D405/14

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 compound of Chemical Formula 1 and a second compound of Chemical Formula 2: wherein: A is Chemical Formula 1a or 1b: Ar1 and Ar2 are each independently a C6-60 aromatic ring or a C2-60 heteroaromatic ring, and Ar1 and Ar2 are unsubstituted, or substituted with C1-60 alkyl, C6-60 aryl, or C2-60 heteroaryl; Ar′1 and Ar′2 are each independently substituted or unsubstituted C6-60 aryl or substituted or unsubstituted C2-60 heteroaryl; provided that a1+b1+c1+d+e+f is 1 or more; or a2+b2+c2+d+e+f is 1 or more; R′1 and R′2 are each independently hydrogen, deuterium, C1-60 alkyl, C6-60 aryl, or C2-60 heteroaryl; and r and s are each independently 0 to 7.