Invention Grant
- Patent Title: Organic electroluminescent device using aryl amine derivative containing heterocycle
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Application No.: US17396820Application Date: 2021-08-09
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Publication No.: US11678571B2Publication Date: 2023-06-13
- Inventor: Masahiro Kawamura , Emiko Kambe , Akifumi Nakamura , Yasunori Kijima , Tadahiko Yoshinaga , Shigeyuki Matsunami
- Applicant: Idemitsu Kosan Co., Ltd. , JOLED Inc.
- Applicant Address: JP Tokyo
- Assignee: Idemitsu Kosan Co., Ltd.,JOLED Inc.
- Current Assignee: Idemitsu Kosan Co., Ltd.,JOLED Inc.
- Current Assignee Address: JP Tokyo; JP Tokyo
- Agency: Oblon, McClelland, Maier & Neustadt, L.L.P.
- Priority: JP 06172853 2006.06.22
- Main IPC: H01L51/00
- IPC: H01L51/00 ; C09K11/06 ; C07D209/86 ; C09K11/02
Abstract:
A compound of formula (7) is provided
wherein L4 is a linking group selected from the group consisting of:
provided that an asterisk (*) indicates the position bonding to the nitrogen atom of the carbazolyl group, R6 to R13 are independently a hydrogen atom, or a phenyl group, Ar17 is an unsubstituted phenylphenyl group, and Ar18 is a phenylphenyl group which may be substituted by a phenyl group or a naphthyl group, or a phenyl group which may be substituted by a naphthyl group.
wherein L4 is a linking group selected from the group consisting of:
provided that an asterisk (*) indicates the position bonding to the nitrogen atom of the carbazolyl group, R6 to R13 are independently a hydrogen atom, or a phenyl group, Ar17 is an unsubstituted phenylphenyl group, and Ar18 is a phenylphenyl group which may be substituted by a phenyl group or a naphthyl group, or a phenyl group which may be substituted by a naphthyl group.
Public/Granted literature
- US20210376247A1 ORGANIC ELECTROLUMINESCENT DEVICE USING ARYL AMINE DERIVATIVE CONTAINING HETEROCYCLE Public/Granted day:2021-12-02
Information query
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