公开(公告)号：US20250057040A1

公开(公告)日：2025-02-13

申请号：US18719475

申请日：2022-12-13

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Ryota TAKAHASHI ,  Sayaka MIZUTANI ,  Masato MITANI ,  Kei YOSHIDA

IPC: H10K85/60 ,  C07D239/26 ,  C07D251/24 ,  C07D403/10 ,  C07D405/10 ,  H10K50/16

Abstract: A compound represented by the following formula (1).

公开(公告)号：US20240334813A1

公开(公告)日：2024-10-03

申请号：US18570822

申请日：2022-06-02

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Masato MITANI ,  Tomokatsu KUSHIDA ,  Sayaka MIZUTANI ,  Masatoshi SAITO ,  Kei YOSHIDA ,  Yoshinori AOYAMA ,  Ryota TAKAHASHI

IPC: H10K85/60 ,  C07D405/04 ,  C07D405/10 ,  C07D409/04 ,  C07D409/10 ,  H10K50/16

CPC classification number: H10K85/622 ,  C07D405/04 ,  C07D405/10 ,  C07D409/04 ,  C07D409/10 ,  H10K50/166 ,  H10K85/626 ,  H10K85/654 ,  H10K85/6574 ,  H10K85/6576

Abstract: A compound represented by the following formula (1).

公开(公告)号：US20240292750A1

公开(公告)日：2024-08-29

申请号：US18289745

申请日：2022-05-11

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Yu KUDO ,  Tetsuya MASUDA ,  Hiroaki ITOI ,  Shintaro BAN ,  Takayasu SADO ,  Satomi TASAKI ,  Taro YAMAKI ,  Ryota TAKAHASHI ,  Takamoto MORITA

IPC: H10K85/60 ,  C09K11/06 ,  H10K50/11 ,  H10K101/00

CPC classification number: H10K85/6574 ,  C09K11/06 ,  H10K85/615 ,  H10K85/622 ,  C09K2211/1018 ,  H10K50/11 ,  H10K2101/90

Abstract: An organic electroluminescence device includes an emitting layer, in which the emitting layer includes at least one single layer containing a first host material, a second host material, and an emitting compound; the first host material and the second host material are mutually different; and a triplet energy of the first host material T1(H1), a triplet energy of the second host material T1(H2), and a triplet energy of the emitting compound T1(D) satisfy at least one of a relationship of a numerical formula (Numerical Formula 1) or a relationship of a numerical formula (Numerical Formula 2) below,


T1(D)>T1(H1)  (Numerical Formula 1)



T1(D2)>T1(H2)  (Numerical Formula 2).

公开(公告)号：US20240224791A1

公开(公告)日：2024-07-04

申请号：US18280929

申请日：2022-03-10

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Hiroaki ITOI ,  Satomi TASAKI ,  Kazuki NISHIMURA ,  Ryota TAKAHASHI ,  Taro YAMAKI ,  Yu KUDO

IPC: H10K85/60 ,  C07B59/00 ,  C09K11/02 ,  C09K11/06 ,  H10K85/20 ,  H10K85/40

CPC classification number: H10K85/622 ,  C07B59/004 ,  C09K11/02 ,  C09K11/06 ,  H10K85/20 ,  H10K85/40 ,  H10K85/6572 ,  H10K85/6574 ,  H10K85/6576 ,  H10K85/658 ,  C07B2200/05

Abstract: An organic electroluminescence device includes: an anode; a cathode; and an emitting layer provided between the anode and the cathode, in which the emitting layer includes a first emitting layer and a second emitting layer, and the first emitting layer contains, as a first host material, a first compound represented by a formula (1) below,




in the formula (1): a cyclic structure A and a cyclic structure B are each independently, for instance, a cyclic structure selected from the group consisting of a substituted or unsubstituted aryl ring having 6 to 50 ring carbon atoms, and a substituted or unsubstituted heterocycle having 5 to 50 ring atoms; X1 is, for instance, an oxygen atom, a sulfur atom, NR71, and C(R72)(R73); and Y1 is, for instance, a sulfur atom, NR71A, or C(R72A)(R73A).

公开(公告)号：US20230209996A1

公开(公告)日：2023-06-29

申请号：US18081334

申请日：2022-12-14

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Yoshinori AOYAMA ,  Hiroshi TOKAIRIN ,  Sayaka MIZUTANI ,  Ryota TAKAHASHI ,  Masato MITANI

IPC: H10K85/60 ,  H10K85/40 ,  H10K50/16 ,  H10K50/11

CPC classification number: H10K85/622 ,  H10K85/626 ,  H10K85/615 ,  H10K85/6574 ,  H10K85/40 ,  H10K85/6576 ,  H10K85/6572 ,  H10K85/623 ,  H10K50/16 ,  H10K50/11 ,  H10K2102/302

Abstract: An organic electroluminescence device including a cathode, an anode, and one or two or more organic layers arranged between the cathode and the anode, wherein at least one layer of the one or two or more organic layers includes a first component and a second component, the first component is a compound represented by the following formula (1), the second component is selected from the group consisting of an alkali metal, an alkali metal compound, an alkaline earth metal, an alkaline earth metal compound, a rare earth metal, a rare earth metal compound, an organic metal complex containing an alkali metal, an organic metal complex containing an alkaline earth metal, and an organic metal complex containing a rare earth metal.

公开(公告)号：US20230165138A1

公开(公告)日：2023-05-25

申请号：US17909701

申请日：2021-02-24

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Yoshinao SHIRASAKI ,  Ryota TAKAHASHI ,  Yuki NAKANO ,  Kazuma MASE ,  Tetsuya MASUDA

IPC: H10K85/60 ,  C07D307/77 ,  C09K11/06

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

Abstract: A compound represented by the following formula (1), wherein at least one of R11 to R28 and R31 to R40 is not a hydrogen atom.

公开(公告)号：US20230045583A1

公开(公告)日：2023-02-09

申请号：US17849574

申请日：2022-06-24

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Yoshinori AOYAMA ,  Kazuki NISHIMURA ,  Sayaka MIZUTANI ,  Masato MITANI ,  Ryota TAKAHASHI

IPC: H01L51/00

Abstract: An organic electroluminescence device comprising: a cathode; an anode; an emitting layer disposed between the cathode and the anode; and a first layer disposed between the emitting layer and the cathode, wherein the emitting layer comprises a host compound, the first layer comprises a first compound and a second compound, and the three compounds are in a relationship satisfying the following Conditions 1 and 2: (Condition 1) the electron affinity AfH of the host compound and the electron affinity AfETA of the first compound satisfy the following expressions (1-1) and (1-2): AfH AfETB  (2-1) |AfH−AfETB|≤0.10  (2-2).

公开(公告)号：US20220255018A1

公开(公告)日：2022-08-11

申请号：US17615683

申请日：2020-06-11

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Ryota TAKAHASHI ,  Yuki NAKANO ,  Kazuma MASE

IPC: H01L51/00 ,  C07D487/22 ,  C09K11/06 ,  C07C15/28 ,  C07D307/91

Abstract: A compound represented by the following formula (A1) (wherein one or more among R1 to R7, R10 to R16, R21, and R22 are deuterium atoms or groups which possess deuterium atoms):

公开(公告)号：US20210359221A1

公开(公告)日：2021-11-18

申请号：US17183662

申请日：2021-02-24

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Ryota TAKAHASHI ,  Keita SEDA ,  Shota SAWANO

IPC: H01L51/00 ,  C07D487/22 ,  C09K11/06

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：US20210066599A1

公开(公告)日：2021-03-04

申请号：US16958065

申请日：2018-12-28

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Yuki NAKANO ,  Ryota TAKAHASHI ,  Keita SEDA ,  Tomoki KATO ,  Hidetsugu IKEDA ,  Thomas SCHAEFER ,  Peter MURER ,  Carsten ROTHE

IPC: H01L51/00 ,  C07F5/02 ,  C09K11/06

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.