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：US20230301177A1

公开(公告)日：2023-09-21

申请号：US18183427

申请日：2023-03-14

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Takeshi IKEDA ,  Takuto FUKAMI ,  Hiroaki ITOI ,  Yusuke TAKAHASHI ,  Shota TANAKA ,  Yongguk LEE ,  Tsukasa SAWATO

IPC: H10K85/60 ,  H10K50/11 ,  H10K50/15 ,  H10K50/805

CPC classification number: H10K85/633 ,  H10K50/11 ,  H10K50/15 ,  H10K50/805

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




where the symbols in the formula (1) are defined in the description, an organic electroluminescent device containing the compound, and an electronic device including the organic electroluminescent device.

公开(公告)号：US20220289704A1

公开(公告)日：2022-09-15

申请号：US17632913

申请日：2020-08-07

Applicant: IDEMITSU KOSAN CO.,LTD.

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

IPC: C07D311/82 ,  C07D407/10 ,  C07D405/10 ,  C07F7/08 ,  C07D335/12 ,  C07D409/10 ,  C09K11/06 ,  C07C15/62 ,  C07D209/86 ,  C07D213/16 ,  C07F9/28 ,  C07D235/08 ,  C07D277/66 ,  C07D279/22 ,  C07D223/24 ,  C07C49/76 ,  C07C211/54 ,  C07D333/54 ,  C07D215/06 ,  C07C321/26 ,  C07D487/22 ,  C07F5/02 ,  C07D405/14 ,  C07C13/62 ,  C07D409/04 ,  C07C255/50 ,  C07D493/04 ,  H01L51/00

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 a compound represented by the following formula (1), and a compound A having a Stokes shift of 20 nm or smaller and an emission peak wavelength of 440 nm to 465 nm (at least one of Ar1 and Ar2 is a monovalent group having a structure represented by the following formula (2)).

公开(公告)号：US20220173335A1

公开(公告)日：2022-06-02

申请号：US17602270

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 emitting layer disposed between the cathode and the anode, wherein the emitting layer contains one or both of the compound represented by the following formula (1A) and the compound represented by the following formula (1B) and a compound represented by any one of the specific formulas (11), (21), (31), (41), (51), (61), (71), and (81).

公开(公告)号：US20220029099A1

公开(公告)日：2022-01-27

申请号：US17291934

申请日：2019-11-08

Applicant: IDEMITSU KOSAN CO.,LTD.

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

IPC: H01L51/00 ,  C07C15/38 ,  C09K11/06

Abstract: A compound represented by the following formula (1), provided that at least one of R1 to R8 is a deuterium atom; and at least one of Ar1 and Ar2 is a substituted or unsubstituted fused aryl group in which only four or more benzene rings are fused.

公开(公告)号：US20210028365A1

公开(公告)日：2021-01-28

申请号：US17043247

申请日：2019-04-04

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Satomi TASAKI ,  Yuki NAKANO ,  Taro YAMAKI ,  Hiroaki ITOI ,  Yuichiro KAWAMURA ,  Masatoshi SAITO

IPC: H01L51/00

Abstract: An organic electroluminescence device comprising: a cathode; an anode; and an organic layer between the cathode and the anode, wherein the organic layer comprises a compound represented by the following formula (1) and a compound represented by the following formula (11).

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.

公开(公告)号：US20220165965A1

公开(公告)日：2022-05-26

申请号：US17602275

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 containing a cathode, an anode, and an emitting layer disposed between the cathode and the anode, wherein the emitting layer contains a compound represented by the following formula (1) and one or more compounds selected from the group consisting of a compound represented by the specific formulas (11), (21), (31), (41), (51), (61), (71), and (81).

公开(公告)号：US20220165964A1

公开(公告)日：2022-05-26

申请号：US17602273

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 ,  C07D307/77 ,  C09K11/06

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):