公开(公告)号：US20200024263A1

公开(公告)日：2020-01-23

申请号：US16491503

申请日：2018-03-08

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Hirokatsu ITO ,  Tasuku HAKETA ,  Yu KUDO

IPC: C07D405/12 ,  C09K11/06 ,  H01L51/50

Abstract: A novel compound represented by formula (1): wherein R1 to R7, R11 to R18, L1 to L3, a to c, n, and Ar are as defined in the description, provides an organic electroluminescence device having a device lifetime further improved.

公开(公告)号：US20180179206A1

公开(公告)日：2018-06-28

申请号：US15850109

申请日：2017-12-21

Applicant: Idemitsu Kosan Co., Ltd.

Inventor： Tasuku HAKETA ,  Hirokatsu ITO ,  Yu KUDO

IPC: C07D471/10 ,  H01L51/50 ,  H01L51/00 ,  C09K11/06

CPC classification number: C07D471/10 ,  C09K11/06 ,  C09K2211/1022 ,  C09K2211/1033 ,  C09K2211/1037 ,  H01L51/0051 ,  H01L51/0054 ,  H01L51/0059 ,  H01L51/006 ,  H01L51/0061 ,  H01L51/0072 ,  H01L51/0073 ,  H01L51/0074 ,  H01L51/5012 ,  H01L51/5064

Abstract: A compound represented by formula (1): wherein R1 to R8, R12 to R18, R21 to R25, R31 to R48, L1 to L3, and Ar are as defined in the specification, provides a high performance organic electroluminescence device which comprises a cathode, an anode and an organic layer between the cathode and the anode, wherein the organic layer comprises a light emitting layer and at least one layer of the organic layer comprises the compound.

公开(公告)号：US20170222144A1

公开(公告)日：2017-08-03

申请号：US15502401

申请日：2015-10-08

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Tasuku HAKETA ,  Hirokatsu ITO ,  Yu KUDO ,  Masahiro KAWAMURA ,  Ryota TAKAHASHI

IPC: H01L51/00 ,  C07C211/61 ,  C09K11/06

CPC classification number: H01L51/006 ,  C07C211/61 ,  C07C2603/52 ,  C07C2603/94 ,  C07D307/77 ,  C07D333/50 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1011 ,  C09K2211/1014 ,  H01L51/0055 ,  H01L51/0058 ,  H01L51/50 ,  H01L51/5012

Abstract: A compound represented by formula (1): wherein Ar is a substituted or unsubstituted alkyl group having 1 to 20 carbon atoms, a substituted or unsubstituted aryl group having 6 to 30 ring carbon atoms, or a substituted or unsubstituted nitrogen-comprising heteroaryl group having 5 to 30 ring atoms; each of L1 and L2 is independently a single bond, a substituted or unsubstituted arylene group having 6 to 30 ring carbon atoms, a substituted or unsubstituted heteroarylene group having 5 to 30 ring atoms, or a substituted or unsubstituted divalent linking group wherein 2 to 4 groups selected from an arylene group having 6 to 30 ring carbon atoms and a heteroarylene group having 5 to 30 ring atoms are bonded to each other via a single bond; A is a monovalent group represented by formula (2); and B is a monovalent group represented by formula (5): wherein R1 to R10 and R21 to R30 are as defined in the description, enables the emission of light of a purer blue (shorter wavelength), a narrower half width (higher color purity), and a single peak with no second peak.

公开(公告)号：US20170213983A1

公开(公告)日：2017-07-27

申请号：US15329442

申请日：2015-11-27

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Tomoharu HAYAMA ,  Tetsuya MASUDA ,  Masahiro KAWAMURA ,  Hirokatsu ITO ,  Tasuku HAKETA ,  Yumiko MIZUKI

IPC: H01L51/00 ,  C07D409/14 ,  C07D405/14

Abstract: A compound is represented by a formula (100) below, where X1, X2 and X3 are each independently a nitrogen atom or a carbon atom bonded with R2, Y is an oxygen atom, a sulfur atom and the like, R1, R2, R11, R21 and R22 are each a hydrogen atom or a substituent, L1 is a single bond or a linking group, and L2 is a linking group.

公开(公告)号：US20160005977A1

公开(公告)日：2016-01-07

申请号：US14767395

申请日：2014-03-28

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Tasuku HAKETA ,  Masahiro KAWAMURA ,  Kazuki NISHIMURA ,  Yumiko MIZUKI

IPC: H01L51/00 ,  C07D491/147

CPC classification number: H01L51/0071 ,  C07D491/147 ,  C07D495/14 ,  H01L51/0052 ,  H01L51/0054 ,  H01L51/0067 ,  H01L51/0072 ,  H01L51/0074 ,  H01L51/0085 ,  H01L51/0087 ,  H01L51/5016 ,  H05B33/20

Abstract: A heterocyclic compound in which three 5-membered rings are fused to a benzene ring and a saturated or unsaturated ring is further fused to each of the 5-membered rings is a novel material, which is useful as a material for organic electroluminescence devices for the production of organic electroluminescence devices and electronic equipment.

Abstract translation: 其中三个5元环与苯环和饱和或不饱和环稠合的杂环化合物进一步与每个5元环稠合，这是一种新型材料，其可用作有机电致发光器件的材料 生产有机电致发光器件和电子设备。

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：US20240415010A1

公开(公告)日：2024-12-12

申请号：US18291654

申请日：2022-08-26

Applicant: IDEMITSU KOSAN CO.,LTD.

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

IPC: H10K85/60 ,  H10K50/15

Abstract: A compound represented by the following formula (1): in which N*, R1 to R9, L1, L2, L3, Ar1 and Ar2 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, where the one or more organic layers includes a light emitting layer, and at least one layer of the one or more organic layers contains the compound. An electronic device including the organic electroluminescent device.

公开(公告)号：US20240368102A1

公开(公告)日：2024-11-07

申请号：US18287910

申请日：2022-04-28

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Tasuku HAKETA ,  Kiyoshi IKEDA ,  Shota TANAKA ,  Yusuke TAKAHASHI ,  Takuto FUKAMI ,  Tsukasa SAWATO

IPC: C07D307/91 ,  C07B59/00 ,  C07D333/76 ,  H10K50/12 ,  H10K50/15 ,  H10K85/60 ,  H10K101/00

Abstract: The present invention is to provide a compound that further improves the performance of an organic EL device, an organic electroluminescent device having further improved device performance, and an electronic device including such an organic electroluminescent device. Provided is a compound represented by the following formula (1) (the signs in the formula are as defined in the description), an organic electroluminescent device containing the compound, and an electronic device including such an organic electroluminescent device.

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：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).