公开(公告)号：US20210273173A1

公开(公告)日：2021-09-02

申请号：US17240445

申请日：2021-04-26

Applicant: IDEMITSU KOSAN CO.,LTD.

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

IPC: H01L51/00 ,  C09K11/02

Abstract: An organic electroluminescence device includes an anode, a cathode, a first emitting layer, and a second emitting layer disposed between the first emitting layer and the cathode, the first emitting layer containing a first host material in a form of a first compound represented by a formula (101) below, the second emitting layer containing a second host material in a form of a second compound represented by a formula (2) below, the first emitting layer and the second emitting layer being in direct contact with each other.

公开(公告)号：US20250136569A1

公开(公告)日：2025-05-01

申请号：US18718576

申请日：2022-12-23

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Yusuke TAKAHASHI ,  Hiroaki ITOI ,  Tsukasa SAWATO ,  Shota TANAKA ,  Takuto FUKAMI ,  Yongguk LEE ,  Tasuku HAKETA

IPC: C07D311/92 ,  C07B59/00 ,  C07D335/08 ,  C07D405/04 ,  C07D407/04 ,  C07D409/04 ,  H10K50/15 ,  H10K85/20 ,  H10K85/60 ,  H10K101/00 ,  H10K101/10 ,  H10K101/30

Abstract: To provide a compound for further improving the performance of an organic EL device, a material for an organic electroluminescent device, an organic electroluminescent device having further improved device capability, and an electronic device including such an organic electroluminescent device, and the compound is represented by formula (1). (Each symbol in the formula is as defined in the description.) In addition, the organic electroluminescent device contains the compound or has a highest occupied molecular orbital energy level HOMO, a triplet energy T1, and an 80% attenuation time t of a photoluminescence intensity PL within a predetermined range.

公开(公告)号：US20240324450A1

公开(公告)日：2024-09-26

申请号：US18558390

申请日：2023-04-06

Applicant: IDEMITSU KOSAN CO.,LTD.

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

IPC: H10K85/60 ,  C07D307/77 ,  C07D307/91 ,  C09K11/06 ,  H10K50/15 ,  H10K102/00

CPC classification number: H10K85/636 ,  C07D307/77 ,  C07D307/91 ,  C09K11/06 ,  H10K85/633 ,  C09K2211/1018 ,  H10K50/15 ,  H10K85/615 ,  H10K85/624 ,  H10K85/626 ,  H10K85/6574 ,  H10K2102/351

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




where the variables are as defined in the disclosure. A material for organic electroluminescent devices containing the compound. An organic electroluminescent device containing a cathode, an anode, and an organic layer between the cathode and the anode. The organic layer includes a light emitting layer, and at least one layer of the organic layer contains the compound.

公开(公告)号：US20240276878A1

公开(公告)日：2024-08-15

申请号：US18545215

申请日：2023-12-19

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Sigma HASHIMOTO ,  Kei YOSHIDA ,  Yu KUDO ,  Hiroaki ITOI

IPC: H10K50/11 ,  C07D307/91 ,  C07D307/92 ,  C09K11/06 ,  H10K50/15 ,  H10K50/16

CPC classification number: H10K50/11 ,  C07D307/91 ,  C07D307/92 ,  C09K11/06 ,  H10K50/15 ,  H10K50/16 ,  C09K2211/1018

Abstract: A compound represented by a formula (1). In the formula (1), Rio is a group represented by one of formulae (11) to (14), and when R10 is a group represented by the formula (14), at least one of R11 to R18 is a substituted or unsubstituted aryl group having 6 to 50 ring carbon atoms.

公开(公告)号：US20240215281A1

公开(公告)日：2024-06-27

申请号：US18546490

申请日：2022-02-24

Applicant: IDEMITSU KOSAN CO.,LTD.

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

IPC: H10K50/11 ,  C07D307/91 ,  C07D405/12 ,  C07D407/12 ,  H10K50/15 ,  H10K85/60

CPC classification number: H10K50/11 ,  C07D307/91 ,  C07D405/12 ,  C07D407/12 ,  H10K50/15 ,  H10K85/6574

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




N*, R1 to R14, and Ar1 are as defined in the disclosure. An organic electroluminescent device, including an anode, a cathode, a light emitting layer intervening between the anode and the cathode, and an organic layer between the light emitting layer and the anode. The organic layer contains a compound represented by the following formula (2):




N*, R1 to R9, Ar2 and Ar3 are as defined in the disclosure. An electronic device including the organic electroluminescent device.

公开(公告)号：US20240206325A1

公开(公告)日：2024-06-20

申请号：US18281297

申请日：2022-03-10

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Yoshinao SHIRASAKI ,  Kazuma MASE ,  Hiroaki ITOI

IPC: H10K85/60 ,  C07D307/77 ,  C07D487/22 ,  C09K11/06

CPC classification number: H10K85/633 ,  C07D307/77 ,  C07D487/22 ,  C09K11/06 ,  H10K85/636 ,  H10K50/12

Abstract: A compound represented by the following formula (1), wherein in the formula (1), A is a substituted or unsubstituted aromatic hydrocarbon ring group containing a nitrogen atom as a part of a substituent and having a fused ring composed of 5 or more rings, or a substituted or unsubstituted heterocyclic group containing a nitrogen atom as a part of the skeleton or a substituent and having a fused ring composed of 5 or more rings; B is a monovalent group represented by the following formula (b1); wherein in the formula (b1), *B is bonded with the nitrogen atom contained as a part of the skeleton of A or a substituent via a single bond.

公开(公告)号：US20240147843A1

公开(公告)日：2024-05-02

申请号：US18261247

申请日：2022-01-13

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Satomi TASAKI ,  Kazuki NISHIMURA ,  Tetsuya MASUDA ,  Hiroaki TOYOSHIMA ,  Masato NAKAMURA ,  Hiroaki ITOI ,  Emiko KAMBE ,  Tasuku HAKETA ,  Yusuke TAKAHASHI ,  Keitaro YAMADA ,  Takeshi IKEDA

IPC: H10K85/60

CPC classification number: H10K85/633 ,  H10K85/636 ,  H10K50/156 ,  H10K85/615 ,  H10K85/624 ,  H10K85/626 ,  H10K85/6572 ,  H10K85/6574

Abstract: An organic EL device includes an emitting region provided between a cathode and an anode, a first anode-side-organic layer, a second anode-side-organic layer, and a third anode-side-organic layer, in which the emitting region includes at least a first emitting layer, the first anode-side-organic layer is in direct contact with the second anode-side-organic layer, the second anode-side-organic layer is in direct contact with the third anode-side-organic layer, the third anode-side-organic layer has a film thickness of 20 nm or more, the second anode-side-organic layer contains at least one compound different from a compound contained in the third anode-side-organic layer, the first emitting layer is a fluorescent emitting layer, and a refractive index NM2 of a constituent material contained in the second anode-side-organic layer and a refractive index NM3 of a constituent material contained in the third anode-side-organic layer satisfy a relationship of Numerical Formula NM,


NM2>NM3  (Numerical Formula NM).

公开(公告)号：US20240130224A1

公开(公告)日：2024-04-18

申请号：US18259254

申请日：2021-12-24

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Hiroaki TOYOSHIMA ,  Kazuki NISHIMURA ,  Tetsuya MASUDA ,  Satomi TASAKI ,  Masato NAKAMURA ,  Hiroaki ITOI ,  Emiko KAMBE ,  Yusuke TAKAHASHI ,  Keitaro YAMADA ,  Takeshi IKEDA ,  Tasuku HAKETA

IPC: H10K85/60

CPC classification number: H10K85/633 ,  H10K85/60 ,  H10K85/615 ,  H10K85/626 ,  H10K85/636 ,  H10K85/654 ,  H10K85/6572 ,  H10K85/6574 ,  H10K85/658 ,  H10K50/11

Abstract: An organic electroluminescence device includes an emitting region between a cathode and an anode, a first anode side organic layer, and a second anode side organic layer. The emitting region includes at least a first emitting layer, the first anode side organic layer is in direct contact with the second anode side organic layer, the first anode side organic layer contains first and second organic materials, a content of the first organic material in the first anode side organic layer is less than 50 mass %, the second anode side organic layer contains a second hole transporting zone material, the first emitting layer is an emitting layer that emits fluorescence, and a refractive index NM1 of the constituent materials contained in the first anode side organic layer and a refractive index NM2 of the constituent material contained in the second anode side organic layer satisfy a relationship of NM1>NM2.

公开(公告)号：US20240023436A1

公开(公告)日：2024-01-18

申请号：US17918728

申请日：2021-03-11

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Satomi TASAKI ,  Hiroaki ITOI ,  Taro YAMAKI ,  Maiko IIDA ,  Kazuki NISHIMURA ,  Yuki NAKANO

IPC: H10K85/60 ,  C07D307/91 ,  C09K11/06 ,  C07D307/77 ,  C07C15/38

CPC classification number: H10K85/6574 ,  C07D307/91 ,  C09K11/06 ,  H10K85/615 ,  H10K50/11 ,  C07C15/38 ,  H10K85/626 ,  H10K85/622 ,  C07D307/77

Abstract: There is provided an organic electroluminescence device including: an anode; a cathode; a first emitting layer provided between the anode and the cathode and containing a first compound; and a second emitting layer provided between the first emitting layer and the cathode and containing a second compound, in which at least one of the first emitting layer or the second emitting layer contains a compound having at least one deuterium atom, at least one of the first emitting layer or the second emitting layer contains a compound having a fused ring that includes four or more rings, and the first emitting layer and the second emitting layer are in direct contact with each other.

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).