公开(公告)号：US20240008363A1

公开(公告)日：2024-01-04

申请号：US18039188

申请日：2021-11-17

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Hiroaki ITOI ,  Taro YAMAKI ,  Maiko IIDA ,  Shintaro BAN ,  Takamoto MORITA ,  Yu KUDO

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

CPC classification number: H10K85/6574 ,  C07D307/77 ,  C09K11/06 ,  H10K85/626 ,  H10K85/615 ,  H10K50/11

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

公开(公告)号：US20250084047A1

公开(公告)日：2025-03-13

申请号：US18724470

申请日：2022-12-26

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Yu KUDO ,  Sigma HASHIMOTO ,  Kei YOSHIDA ,  Shintaro BAN ,  Yoshinao SHIRASAKI ,  Masato MITANI ,  Hiroaki ITOI

IPC: C07D307/91 ,  C07B59/00 ,  C07C13/547 ,  C07C15/38 ,  C07D209/90 ,  C07D333/76 ,  C09K11/06 ,  H10K85/20 ,  H10K85/60 ,  H10K101/10

Abstract: An organic electroluminescence device includes an anode, a cathode, and an emitting region disposed between the anode and the cathode, in which the emitting region includes a first emitting layer and a second emitting layer, the first emitting layer contains a first compound represented by a formula below, and the second emitting layer contains a second compound. At least one of R101 to R112 in the formula (100A), L101 or Ar101 in the formula (100B) has at least one deuterium atom. When only L101 has at least one deuterium atom, the at least one deuterium atom is bonded to a ring that is of rings forming L1 and directly bonded to a benz[a]anthracene ring in the formula (100A).

公开(公告)号：US20250098521A1

公开(公告)日：2025-03-20

申请号：US18724481

申请日：2022-12-26

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Yu KUDO ,  Yoshinao SHIRASAKI ,  Masato MITANI ,  Sigma HASHIMOTO ,  Kei YOSHIDA ,  Shintaro BAN ,  Kazuki TERADA ,  Hiroaki ITOI

IPC: H10K85/60 ,  C07C15/20 ,  C09K11/02 ,  H10K50/12

Abstract: A compound represented by a formula (1C-A) below. One of R4 to R8 and R10 to R12 is a group represented by a formula (1D-A) above; R1 to R3, R9, and R4 to R8 and R10 to R12 not being the group represented by the formula (1D-A) are each a hydrogen atom, a substituent, or the like; at least one of R21 to R30 is other than a hydrogen atom; when R11 is a group represented by a formula (1D), R12 is a hydrogen atom or a phenyl group; when R12 is a group represented by the formula (1D), R11 is a hydrogen atom or a phenyl group; in the formula (1D), one of R21 to R30 represents a bonding position to a benz[a]anthracene ring in the formula (1C), and R21 to R30 not being the bonding position are each a hydrogen atom, a substituent, or the like.

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：US20250089561A1

公开(公告)日：2025-03-13

申请号：US18724656

申请日：2022-12-26

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Yu KUDO ,  Yoshinao SHIRASAKI ,  Masato MITANI ,  Sigma HASHIMOTO ,  Kei YOSHIDA ,  Shintaro BAN ,  Hiroaki ITOI

IPC: H10K85/60 ,  C07D307/92 ,  C09K11/02 ,  H10K50/13

Abstract: A compound is represented by a formula (1A-A). One of R4 to R8 and R10 to R12 is a group represented by a formula (1B-A1), (1B-A2), or (1B-A3) above; R1 to R3, R9, and R4 to R8 and R10 to R12 other than the above are each a hydrogen atom, a substituent, or the like; when R11 or R12 is a group represented by the formula (1B-A1), (1B-A2), or (1B-A3), R12 or R11 is a hydrogen atom or a phenyl group; and in the formulae (1B-A1) to (1B-A3), R51 to R57, R61 to R64, R71 to R74, and R81 to R84 forming no ring in the formulae (1B-A1) to (1B-A3) are each a hydrogen atom, a substituent, or the like; and * represents a bonding position to a benz[a]anthracene ring in the formula (1A-A).

公开(公告)号：US20240147846A1

公开(公告)日：2024-05-02

申请号：US18256036

申请日：2021-12-08

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Shota TANAKA ,  Shintaro BAN ,  Satomi TASAKI ,  Hiroaki ITOI ,  Tasuku HAKETA ,  Yuki NAKANO

IPC: H10K85/60 ,  C07D209/86 ,  C07D307/77 ,  C09K11/06

CPC classification number: H10K85/636 ,  C07D209/86 ,  C07D307/77 ,  C09K11/06 ,  H10K85/615 ,  H10K85/6574 ,  H10K50/12

Abstract: An organic electroluminescent element including, an anode, a cathode, and an organic layer disposed between the anode and the cathode and including a light emitting zone. The organic layer includes a first layer containing a first compound and a second layer containing a second compound. The first layer and the second layer are different layers. The first compound contains 1 mass % or more of a compound having one or more deuterium atoms in a compound represented by the following formula (1), and the second compound contains 1 mass % or more of a compound having one or more deuterium atoms in a compound represented by the following formula (2),

公开(公告)号：US20240074311A1

公开(公告)日：2024-02-29

申请号：US18333862

申请日：2023-06-13

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Shintaro BAN ,  Yu KUDO ,  Kei YOSHIDA ,  Sigma HASHIMOTO ,  Yoshinao SHIRASAKI

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

CPC classification number: H10K85/6574 ,  C07D307/77 ,  C09K11/06 ,  H10K85/622 ,  H10K85/626 ,  H10K50/13

Abstract: A compound is represented by a formula (1) below. In the formula (1): R1 to R9, R101 to R108, and R111 to R118 are each independently a hydrogen atom, a substituted or unsubstituted aryl group having 6 to 20 ring carbon atoms, or the like; Ar12 is a substituted or unsubstituted aryl group having 10 to 30 ring carbon atoms or the like; p is 0 or 1; q is 0 or 1; and p+q is 1 or 2.

公开(公告)号：US20250057041A1

公开(公告)日：2025-02-13

申请号：US18774694

申请日：2024-07-16

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Ryo NAGATA ,  Shintaro BAN ,  Yuki NAKANO ,  Ryota TAKAHASHI ,  Kiyoshi IKEDA ,  Tomokatsu KUSHIDA ,  Sigma HASHIMOTO ,  Yuichiro KAWAMURA

IPC: H10K85/60 ,  C07D471/04 ,  C09K11/06 ,  H10K50/11 ,  H10K101/25 ,  H10K101/30

Abstract: A compound represented by a formula (1). In the formula (1): X1 to X4 are each independently a nitrogen atom or CRx; at least one of X1 to X4 is a nitrogen atom; a ring A, a ring B, and a ring C are each independently an aromatic hydrocarbon ring or a heterocycle; Ar1 is a hydrogen atom, an aryl group, or a group represented by a formula (2); and Ar2 is an aryl group or a group represented by a formula (3).

公开(公告)号：US20240403575A1

公开(公告)日：2024-12-05

申请号：US18682323

申请日：2022-07-13

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Hiroaki ITOI ,  Yu KUDO ,  Shintaro BAN ,  Taro YAMAKI ,  Takamoto MORITA

IPC: G06K1/12

Abstract: An organic electroluminescence device includes an emitting region provided between an anode and a cathode, in which the emitting region includes a first emitting layer and a second emitting layer, a ratio DEM1/DEM2 of a film thickness DEM1 of the first emitting layer to a film thickness DEM2 of the second emitting layer is in a range from 2/3 to 3/2, the first emitting layer contains a first host material and a first luminescent compound, the second emitting layer contains a second host material and a second luminescent compound, and the first host material is a compound represented by a formula (1) below having a group represented by a formula (10).

公开(公告)号：US20240090329A1

公开(公告)日：2024-03-14

申请号：US18032821

申请日：2021-10-01

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Hiroaki ITOI ,  Yuki NAKANO ,  Taro YAMAKI ,  Maiko IIDA ,  Takamoto MORITA ,  Shintaro BAN ,  Ryota TAKAHASHI ,  Yu KUDO ,  Yoshinao SHIRASAKI

IPC: H10K85/60 ,  C07D311/78 ,  C09K11/06

CPC classification number: H10K85/6574 ,  C07D311/78 ,  H10K85/622 ,  C09K11/06 ,  H10K50/11

Abstract: A compound includes: at least one group represented by a formula (11) below; and a single benz[de]anthracene derivative skeleton represented by a formula (1000) below in a molecule, in which Ar1 is a substituted or unsubstituted aryl group including at least four rings, at least one of R10 to R19 is a group represented by the formula (11), L1 is a substituted or unsubstituted arylene group having 6 to 15 ring carbon atoms or a substituted or unsubstituted divalent heterocyclic group having 5 to 15 ring atoms, and mx is 1, 2, or 3.