公开(公告)号：US12232419B2

公开(公告)日：2025-02-18

申请号：US17183662

申请日：2021-02-24

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Ryota Takahashi ,  Keita Seda ,  Shota Sawano

IPC: C07D487/22 ,  C09K11/06 ,  H10K50/11 ,  H10K85/60

Abstract: A compound represented by the following formula (1): wherein in the formula (1), rings X1 to X4 independently a substituted or unsubstituted benzene ring, or a substituted or unsubstituted 6-membered aromatic heterocyclic ring having one or two nitrogen atoms, and at least two of the rings X1 to X4 are independently fused with one or more selected from the group consisting of a substituted or unsubstituted hydrocarbon ring including 5 to 50 ring carbon atoms, and a substituted or unsubstituted heterocyclic ring including 5 to 50 ring atoms.

公开(公告)号：US12108666B2

公开(公告)日：2024-10-01

申请号：US17278419

申请日：2019-09-26

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Ryota Takahashi ,  Hidetsugu Ikeda ,  Yuki Nakano ,  Keita Seda

IPC: H10K85/60 ,  C07D403/14 ,  C07D491/22 ,  C07D519/00 ,  C09K11/06 ,  H10K50/11 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17

CPC classification number: H10K85/657 ,  C07D403/14 ,  C07D491/22 ,  C07D519/00 ,  C09K11/06 ,  H10K85/626 ,  H10K85/631 ,  H10K85/654 ,  H10K85/6572 ,  H10K85/6574 ,  C09K2211/1018 ,  H10K50/11 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17 ,  H10K50/171

Abstract: A compound having a structure represented by the following formulas (a) and (b):



wherein, in the formulas (a) and (b), a ring A, a ring B, a ring C and a ring D are independently a substituted or unsubstituted aromatic hydrocarbon ring having 6 to 50 ring carbon atoms, or a substituted or unsubstituted heterocyclic ring having 5 to 50 ring atoms; two or more of the ring A, the ring B, the ring C and the ring D are a heterocyclic ring; and each of sites *a, *b, *c and *d in the formula (a) and the formula (b) represents a position of an atom, and the atoms located in the sites *a, *b,*c and *d form one substituted or unsubstituted and saturated or unsaturated six-membered ring including four atoms thereof.

公开(公告)号：US11139437B2

公开(公告)日：2021-10-05

申请号：US16234275

申请日：2018-12-27

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Keita Seda ,  Ryota Takahashi ,  Tomoki Kato ,  Hidetsugu Ikeda ,  Yuki Nakano

IPC: H01L51/00 ,  C07F5/02 ,  H01L51/50

Abstract: A compound represented by the formula (1) below. At least one set of two or more adjacent groups among R1 to R11 forms a substituted or unsubstituted heterocyclic ring, or forms a ring represented by the formula (2) below, or at least one of R1 to R4 is a group represented by the formula (3) below.

公开(公告)号：US12146087B2

公开(公告)日：2024-11-19

申请号：US16958054

申请日：2018-12-28

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Tomoki Kato ,  Keita Seda ,  Ryota Takahashi ,  Hidetsugu Ikeda ,  Yuki Nakano ,  Thomas Schaefer ,  Peter Murer ,  Carsten Rothe

IPC: C09K11/06 ,  C07F5/02 ,  H10K50/15 ,  H10K50/16 ,  H10K85/20 ,  H10K85/60

Abstract: A compound represented by the following formula (1), wherein in the formula (1), at least one of R1 to R8 is a group represented by the following formula (2).

公开(公告)号：US11950498B2

公开(公告)日：2024-04-02

申请号：US16622198

申请日：2018-06-22

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Ryota Takahashi ,  Keita Seda ,  Yuki Nakano

IPC: H01L51/00 ,  C07D307/77 ,  C07D307/91 ,  C09K11/06 ,  H10K85/60 ,  H10K50/11

CPC classification number: H10K85/636 ,  C07D307/77 ,  C07D307/91 ,  C09K11/06 ,  C09K2211/1018 ,  H10K50/11 ,  H10K85/6574

Abstract: This compound is represented by formula (1)

公开(公告)号：US11342512B2

公开(公告)日：2022-05-24

申请号：US17468530

申请日：2021-09-07

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Yuki Nakano ,  Ryota Takahashi ,  Keita Seda ,  Tomoki Kato ,  Hidetsugu Ikeda ,  Thomas Schaefer ,  Peter Murer ,  Carsten Rothe

IPC: H01L29/08 ,  H01L51/00 ,  C07F5/02 ,  C09K11/06 ,  H01L51/50

Abstract: A compound represented by the following formula (1), wherein one or more pairs among R12 and R13, R13 and R14, R14 and R15, R16 and R17, R17 and R18, and R18 and R19 independently form a ring represented by the following formula (2A) or a ring represented by the following formula (2B), or do not form a ring represented by the following formula (2A) and do not form a ring represented by the following formula (2B); and one of R12 to R28 is bonded with L2.

公开(公告)号：US10672989B2

公开(公告)日：2020-06-02

申请号：US16201984

申请日：2018-11-27

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Ryota Takahashi ,  Hidetsugu Ikeda ,  Keita Seda ,  Yuki Nakano

IPC: H01L29/08 ,  H01L51/00 ,  C09K11/06 ,  C07D487/22 ,  H01L51/50 ,  H01L51/52 ,  H01L51/56

Abstract: Disclosed is a compound useful as a material for an organic electroluminescence device with high luminous efficiency. A compound is represented by the following formula (1) or (2):

公开(公告)号：US11569449B2

公开(公告)日：2023-01-31

申请号：US16345213

申请日：2018-12-05

Applicant: Idemitsu Kosan Co., Ltd.

Inventor： Ryota Takahashi ,  Hidetsugu Ikeda ,  Keita Seda ,  Yuki Nakano

IPC: H01L51/00 ,  H01L51/50 ,  C07D487/22 ,  C07D491/22 ,  C09K11/06 ,  H01L51/52 ,  H01L51/56

Abstract: An organic electroluminescence device comprising: a cathode, an anode, and at least one organic layer disposed between the cathode and the anode, wherein at least one layer of the at least one organic layer comprises a compound represented by the following formulas (1-1) and (1-3) or a compound represented by the following formulas (1-2) and (1-3).

公开(公告)号：US11557730B2

公开(公告)日：2023-01-17

申请号：US16563374

申请日：2019-09-06

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Ryota Takahashi ,  Hidetsugu Ikeda ,  Keita Seda ,  Yuki Nakano

IPC: C07D487/22 ,  C07D491/22 ,  C09K11/06 ,  H01L51/00 ,  H01L51/50 ,  H01L51/52 ,  H01L51/56

Abstract: An organic electroluminescence device comprising: a cathode, an anode, and at least one organic layer disposed between the cathode and the anode, wherein at least one layer of the at least one organic layer comprises a compound represented by the following formulas (1-1) and (1-3) or a compound represented by the following formulas (1-2) and (1-3).

公开(公告)号：US10593889B1

公开(公告)日：2020-03-17

申请号：US16355222

申请日：2019-03-15

Applicant: Idemitsu Kosan Co., Ltd.

Inventor： Ryota Takahashi ,  Hidetsugu Ikeda ,  Yuki Nakano ,  Keita Seda

IPC: H01L51/00 ,  C07D491/22 ,  C09K11/06 ,  H01L51/50

Abstract: To provide a compound represented by the following formula (1-5). Two of *1 are fused with a group represented by the formula (1A) to form a nitrogen atom-containing five-membered ring; and two of *2 are fused with a group represented by the formula (1A), which is different from the group bonded with the two of *1, to form a nitrogen atom-containing five-membered ring.