公开(公告)号：US11937497B2

公开(公告)日：2024-03-19

申请号：US17274238

申请日：2019-11-06

Applicant: LG CHEM, LTD.

Inventor： Jae Seung Ha ,  Minseung Chun ,  Woochul Lee ,  Sujeong Geum ,  Hongsik Yoon

IPC: H10K85/60 ,  H10K85/30 ,  H10K50/11 ,  H10K101/10 ,  H10K101/00

CPC classification number: H10K85/60 ,  H10K85/30 ,  H10K85/615 ,  H10K85/622 ,  H10K85/624 ,  H10K85/626 ,  H10K85/633 ,  H10K85/636 ,  H10K85/654 ,  H10K85/6572 ,  H10K85/6574 ,  H10K50/11 ,  H10K2101/10 ,  H10K2101/90

Abstract: Provided is an organic light-emitting device including: an anode; a cathode provided to face the anode; and organic material layers including a light emitting layer disposed between the anode and the cathode, wherein the light emitting layer, one or more layers of the organic material layers disposed between the anode and the light emitting layer, and one or more layers from among the organic material layers disposed between the cathode and the light emitting layer, each include one or more compounds each composed of sp3 carbon as a center, the light emitting layer includes a host including one or more anthracene-based compounds, and among organic materials included in the organic material layers, the bandgap energy (Ebg) of each of the organic materials except for a dopant compound is 3 eV or more.

公开(公告)号：US20230331639A1

公开(公告)日：2023-10-19

申请号：US17913758

申请日：2021-03-23

Applicant: LG CHEM, LTD.

Inventor： Sunmin Kim ,  Wanpyo Hong ,  Woochul Lee ,  Kyung Seok Jeong ,  Woo Han Kim

IPC: C07B59/00

CPC classification number: C07B59/001 ,  C07B2200/05

Abstract: A method for preparing a deuterated compound, and a composition including the deuterated compound are provided. The method comprises preparing a compound of Chemical Formula 2 by reacting a compound of Chemical Formula 1; a deuterium source; and a metal catalyst, and forming a compound of Chemical Formula 3 by using the compound of Chemical Formula 2:

公开(公告)号：US20220384733A1

公开(公告)日：2022-12-01

申请号：US17609361

申请日：2020-11-30

Applicant: LG CHEM, LTD.

Inventor： Ji Young Choi ,  Jae Seung Ha ,  Wanpyo Hong ,  Woochul Lee ,  Joo Ho Kim ,  Sujeong Geum ,  Hoon Jun Kim ,  Hojung Lee ,  Seonwoo Kim

IPC: H01L51/00

Abstract: An organic light emitting device including a light emitting layer, which comprises a compound represented by Formula 1 and a compound represented by Formula 2.

公开(公告)号：US20220302392A1

公开(公告)日：2022-09-22

申请号：US17630095

申请日：2020-10-29

Applicant: LG CHEM, LTD.

Inventor： Jaegoo Lee ,  Yongbum Cha ,  Dong Uk Heo ,  Woochul Lee ,  Dongkeun Song ,  Jiyoung Noh

IPC: H01L51/00

Abstract: The present disclosure relates to an organic light emitting device having improved driving voltage, efficiency and lifetime.

公开(公告)号：US12167672B2

公开(公告)日：2024-12-10

申请号：US17414923

申请日：2020-01-16

Applicant: LG CHEM, LTD

Inventor： Hoon Jun Kim ,  Ji Young Choi ,  Sang Duk Suh ,  Woochul Lee ,  Joo Ho Kim ,  Dong Hoon Lee

IPC: H10K85/30 ,  H10K85/60 ,  H10K50/11 ,  H10K50/12 ,  H10K101/30 ,  H10K101/40

Abstract: An organic light emitting device including a first electrode; a second electrode provided opposite to the first electrode; and one or more organic material layers provided between the first electrode and the second electrode, wherein one or more of the one or more organic material layers include a compound of Chemical Formula 1 and a compound of Chemical Formula 2.

公开(公告)号：US12133455B2

公开(公告)日：2024-10-29

申请号：US17056224

申请日：2019-06-26

Applicant: LG CHEM, LTD.

Inventor： Ki Kon Lee ,  Sang Duk Suh ,  Sujeong Geum ,  Moung Gon Kim ,  Kyunghee Kim ,  Dong Hoon Lee ,  Tae Yoon Park ,  Dongheon Kim ,  Woochul Lee

IPC: H01L51/50 ,  C07F5/02 ,  C09K11/06 ,  H10K85/30 ,  H10K50/11 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17 ,  H10K101/00 ,  H10K101/10

CPC classification number: H10K85/322 ,  C07F5/027 ,  C09K11/06 ,  C09K2211/1018 ,  H10K50/11 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17 ,  H10K50/171 ,  H10K2101/10 ,  H10K2101/90

Abstract: Provided is a compound of Formula 1:






wherein:

Cy1 and Cy2 are each independently a substituted or unsubstituted hetero ring;
R1 to R5 are the same as or different from each other, and are each independently hydrogen, deuterium, a halogen group, a cyano group, a nitro group, a hydroxyl group, a carbonyl group, an ester group, an imide group, an amino group, a silyl group, a boron group, a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heterocyclic group;
n1 and n2 are each an integer from 0 to 4;
n3 to n5 are each an integer from 0 to 3; and
when n1 to n5 are each 2 or more, two or more substituents in the parenthesis are the same as or different from each other,

and an organic light emitting device including the same.

公开(公告)号：US11974497B2

公开(公告)日：2024-04-30

申请号：US16308231

申请日：2017-07-03

Applicant: LG CHEM, LTD.

Inventor： Ki Dong Koo ,  Hyunseok Jeong ,  Kongkyeom Kim ,  Younghee Lee ,  Woochul Lee

IPC: H10K85/60 ,  C07D307/91 ,  C07D471/00 ,  C07D491/147 ,  C07D491/20 ,  C07D491/22 ,  C07D495/14 ,  C07D495/20 ,  C07D495/22 ,  C07F7/08 ,  C09K11/06 ,  H10K50/00 ,  H10K50/11 ,  H10K85/40 ,  H10K99/00

CPC classification number: H10K85/636 ,  C07D307/91 ,  C07D471/00 ,  C07D491/147 ,  C07D491/20 ,  C07D491/22 ,  C07D495/14 ,  C07D495/20 ,  C07D495/22 ,  C07F7/0812 ,  C09K11/06 ,  H10K50/00 ,  H10K85/40 ,  H10K99/00 ,  H10K50/11 ,  H10K85/654 ,  H10K85/6572 ,  H10K85/6574

Abstract: A compound of Chemical Formula 4 or 5:




wherein: one of X1 and X2 is a direct bond, and the other is O, S, or CY1Y2, one of X3 and X4 is a direct bond, and the other is O, S, or CY3Y4, W1 to W4 are each independently N or CRa, and one or more of W1 to W4 are N, Y1 to Y4 are the same as or different from each other, and are each independently an alkyl group having 1 to 20 carbon atoms, and the other substituents are as defined in the specification; and an organic light emitting device comprising the same. The compound can lower the driving voltage, improve the light efficiency, and enhance service life characteristics of the device due to thermal stability of the compound.

公开(公告)号：US20230114182A1

公开(公告)日：2023-04-13

申请号：US17611452

申请日：2020-11-30

Applicant: LG CHEM, LTD.

Inventor： Seonwoo Kim ,  Hojung Lee ,  Sujeong Geum ,  Hoon Jun Kim ,  Jae Seung Ha ,  Ji Young Choi ,  Wanpyo Hong ,  Woochul Lee ,  Joo Ho Kim ,  Moung Gon Kim ,  Kyunghee Kim ,  Hye Min Cho

IPC: H01L51/00 ,  C07D307/91 ,  C09K11/06 ,  C07C15/28 ,  C07F5/02 ,  C07F7/08

Abstract: The present specification provides an organic light emitting device including a light emitting layer.

公开(公告)号：US20210217963A1

公开(公告)日：2021-07-15

申请号：US17056634

申请日：2019-10-11

Applicant: LG CHEM, LTD.

Inventor： Ji Young Choi ,  Sang Duk Suh ,  Woochul Lee ,  Joo Ho Kim ,  Hoon Jun Kim ,  Dong Hoon Lee

IPC: H01L51/00

Abstract: The present specification provides an organic light emitting device including a first electrode, a second electrode provided to face the first electrode, and an organic material layer including a light emitting layer provided between the first electrode and the second electrode, the light emitting layer including a compound represented by Formula 1 and a compound represented by Formula 2.

公开(公告)号：US20240349607A1

公开(公告)日：2024-10-17

申请号：US18752757

申请日：2024-06-24

Applicant: LG CHEM, LTD.

Inventor： Jae Seung HA ,  Sujeong Geum ,  Seonwoo Kim ,  Woochul Lee ,  Woo Jin Cho ,  Yongbum Cha

IPC: H10K85/60 ,  C07D307/79 ,  C07D307/91 ,  C07D333/54 ,  C07D405/04 ,  C07D409/04 ,  C07D409/10 ,  C09K11/06 ,  H10K50/12

CPC classification number: H10K85/6574 ,  C07D307/79 ,  C07D307/91 ,  C07D333/54 ,  C07D405/04 ,  C07D409/04 ,  C07D409/10 ,  C09K11/06 ,  H10K85/615 ,  H10K85/622 ,  H10K85/626 ,  H10K85/6572 ,  H10K85/6576 ,  C09K2211/1018 ,  H10K50/12

Abstract: A compound of Chemical Formula 1:




wherein X1 is O or S; any one of R1 to R5 is a moiety bonded to L1 of the following Chemical Formula A at **:




Ar1 is a substituted or unsubstituted aryl group, Chemical Formula 1 comprises at least one deuterium, and the other substituents are as defined in the specification; and an organic light-emitting device including the same. When a compound of Chemical Formula 1 is included in an organic light emitting device, the device exhibits lower driving voltage, improved light efficiency, and improved service life characteristics.