公开(公告)号：US20230242465A1

公开(公告)日：2023-08-03

申请号：US17918737

申请日：2021-03-11

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Yuki NAKANO ,  Satomi TASAKI ,  Kazuki NISHIMURA ,  Hiroaki ITOI

IPC: C07C13/66 ,  H10K50/11 ,  H10K85/60 ,  C07D333/76 ,  C07D307/91 ,  C07D211/54

CPC classification number: C07C13/66 ,  H10K50/11 ,  H10K85/622 ,  H10K85/626 ,  C07D333/76 ,  H10K85/6576 ,  H10K85/6574 ,  C07D307/91 ,  H10K85/6572 ,  C07D211/54 ,  C07B2200/05

Abstract: A compound represented by a formula (1) and having at least one deuterium atom is provided. In the formula (1), n is 1 to 4, L1 is a divalent group or a group represented by a formula (11) and R111 to R119 and R211 to R219 are each independently a hydrogen atom or a substituent, where the compound represented by the formula (1) does not include a group represented by —N(R906) (R907) and R906 and R907 are each independently a hydrogen atom, an alkyl group having 1 to 50 carbon atoms, or the like. In the formula (11), X13 is an oxygen atom or a sulfur atom, Y1 to Y8 are each independently CR300 or a nitrogen atom, and two of R300 are a single bond bonded with *a or other L1 and a single bond bonded with *b or other L1.

公开(公告)号：US20230200222A1

公开(公告)日：2023-06-22

申请号：US18172622

申请日：2023-02-22

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Hiroaki ITOI ,  Tasuku HAKETA ,  Yusuke TAKAHASHI ,  Shota TANAKA ,  Hirokatsu ITO

IPC: H10K85/60 ,  C07C211/54 ,  C07C211/58 ,  C07C211/61 ,  C07D209/86 ,  C07D307/91 ,  C09K11/06

CPC classification number: H10K85/633 ,  C07C211/54 ,  C07C211/58 ,  C07C211/61 ,  C07D209/86 ,  C07D307/91 ,  C09K11/06 ,  H10K85/631 ,  H10K85/636 ,  C07C2603/18 ,  C07C2603/26 ,  C07B2200/05 ,  C09K2211/1007 ,  C09K2211/1011 ,  C09K2211/1014 ,  C09K2211/1018 ,  H10K50/156

Abstract: A compound represented by the following formula (1) wherein the symbols are as defined in the description, and an organic electroluminescent device containing the compound.

公开(公告)号：US20220289726A1

公开(公告)日：2022-09-15

申请号：US17632701

申请日：2020-08-07

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Hiroaki ITOI ,  Yuki NAKANO ,  Satomi TASAKI ,  Taro YAMAKI

IPC: C07D409/10 ,  H01L51/50 ,  H01L51/00 ,  C07D335/12 ,  C07D311/82

Abstract: A compound represented by the following formula (1), wherein in the formula, L1 and L2 are predetermined linking groups, and Ar1 is a monovalent group having a structure represented by the following formula (2).

公开(公告)号：US20220173334A1

公开(公告)日：2022-06-02

申请号：US17602268

申请日：2020-04-08

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Hiroaki ITOI ,  Yuki NAKANO ,  Satomi TASAKI ,  Taro YAMAKI ,  Tetsuya MASUDA

IPC: H01L51/00

Abstract: An organic electroluminescence device including: a cathode, an anode, and an organic layer disposed between the cathode and the anode, wherein the organic layer comprises an emitting layer and a first layer, the first layer is disposed between the cathode and the emitting layer, the emitting layer comprises one or both of a compound represented by the following formula (1A) and a compound represented by the following formula (1B), and the first layer comprises a compound represented by the following formula (BE1):

公开(公告)号：US20250160208A1

公开(公告)日：2025-05-15

申请号：US19021139

申请日：2025-01-14

Applicant: IDEMITSU KOSAN CO., LTD

Inventor： Hiroaki ITOI ,  Yuki NAKANO ,  Satomi TASAKI ,  Taro YAMAKI ,  Tetsuya MASUDA

IPC: H10K85/60 ,  C07D307/77 ,  C09K11/06 ,  H10K50/11 ,  H10K101/10

Abstract: An organic electroluminescence device comprising: a cathode, an anode, and an organic layer disposed between the cathode and the anode, wherein the organic layer comprises an emitting layer and a first layer, the first layer is disposed between the cathode and the emitting layer, the emitting layer comprises a compound represented by the following formula (1), and the first layer comprises a compound represented by the following formula (BE1):

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：US20250072273A1

公开(公告)日：2025-02-27

申请号：US18722535

申请日：2022-12-19

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Satomi TASAKI ,  Hiroaki TOYOSHIMA ,  Tetsuya MASUDA ,  Masato NAKAMURA ,  Hiroaki ITOI

IPC: H10K85/20 ,  C09K11/02 ,  C09K11/06 ,  H10K85/40 ,  H10K85/60 ,  H10K101/00 ,  H10K101/10 ,  H10K101/30

Abstract: An organic EL device includes an emitting region and a first anode side organic layer. The first anode side organic layer contains a first material. The emitting region includes a first emitting layer containing first and second host materials and a second emitting layer containing a third host material. Energy levels of highest occupied molecular orbitals of the first material, the first host material, and the second host material HOMO(HT1), HOMO(H1), and HOMO(H2) satisfy a relationship of a numerical formula (Numerical Formula A1) below, and triplet energies of the first host material, the second host material, and the third host material T1(H1), T1(H2), and T1(H3) satisfy relationships of numerical formulae (Numerical Formula A2 and Numerical Formula A3) below, HOMO ⁡ ( HT ⁢ 1 ) > HOMO ⁡ ( H ⁢ 2 ) > HOMO ⁡ ( H ⁢ 1 ) ( Numerical ⁢ Formula ⁢ A1 ) T 1 ( H ⁢ 1 ) > T 1 ( H ⁢ 3 ) ( Numerical ⁢ Formula ⁢ A2 ) T 1 ( H ⁢ 2 ) > T 1 ( H ⁢ 3 ) . ( Numerical ⁢ Formula ⁢ A3 )

公开(公告)号：US20250040436A1

公开(公告)日：2025-01-30

申请号：US18892221

申请日：2024-09-20

Applicant: Idemitsu Kosan Co., Ltd.

Inventor： Hiroaki ITOI ,  Yuki NAKANO ,  Satomi TASAKI ,  Taro YAMAKI ,  Tetsuya MASUDA

IPC: H10K85/60 ,  H10K50/11 ,  H10K50/12 ,  H10K101/10

Abstract: An organic electroluminescence device including: a cathode, an anode, and an organic layer disposed between the cathode and the anode, wherein the organic layer comprises an emitting layer and a first layer, the first layer is disposed between the cathode and the emitting layer, the emitting layer comprises one or both of a compound represented by the following formula (1A) and a compound represented by the following formula (1B), and the first layer comprises a compound represented by the following formula (BE1):

公开(公告)号：US20240315131A1

公开(公告)日：2024-09-19

申请号：US18293646

申请日：2022-08-10

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Hiroaki ITOI ,  Yusuke TAKAHASHI ,  Shota TANAKA ,  Takuto FUKAMI ,  Tsukasa SAWATO

IPC: H10K85/60 ,  C07D209/86 ,  H10K50/15

CPC classification number: H10K85/636 ,  C07D209/86 ,  H10K85/633 ,  H10K50/156 ,  H10K85/615 ,  H10K85/6572

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




where N*, R, R1 to R7, R11 to R14, Ar1, Ar2, L, L1, and L2 are as defined in the disclosure. An organic electroluminescent device including a cathode, an anode, and one or more organic layers intervening between the cathode and the anode. The one or more organic layers include a light emitting layer, and at least one layer of the one or more organic layers contains the compound.

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).