公开(公告)号：US20210094937A1

公开(公告)日：2021-04-01

申请号：US17041185

申请日：2019-03-25

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Hirokatsu ITO ,  Tasuku HAKETA ,  Yu KUDO

IPC: C07D405/12 ,  H01L51/00

Abstract: A compound represented by formula (1) provides an organic electroluminescence device having lifetime further improved: wherein R1 to R9, R11 to R18, R21 to R27, Ar, L1, L2, and L3 are as defined in the description.

公开(公告)号：US20200290985A1

公开(公告)日：2020-09-17

申请号：US16864185

申请日：2020-05-01

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Yu KUDO ,  Tasuku Haketa ,  Hirokatsu Ito

IPC: C07D307/91 ,  H01L51/00

Abstract: A compound represented by formula (A): wherein Ar, R1 to R7, R11 to R14, R21 to R24, R31 to R34, *1, and R41 to R48 are as defined in the description provides organic electroluminescence devices with improved device performance.

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.