Invention Grant
- Patent Title: Compounds for organic electroluminescence device
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Application No.: US17468530Application Date: 2021-09-07
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Publication No.: US11342512B2Publication Date: 2022-05-24
- Inventor: Yuki Nakano , Ryota Takahashi , Keita Seda , Tomoki Kato , Hidetsugu Ikeda , Thomas Schaefer , Peter Murer , Carsten Rothe
- Applicant: IDEMITSU KOSAN CO., LTD.
- Applicant Address: JP Tokyo
- Assignee: IDEMITSU KOSAN CO., LTD.
- Current Assignee: IDEMITSU KOSAN CO., LTD.
- Current Assignee Address: JP Tokyo
- Agency: Foley & Lardner LLP
- Priority: JPJP2017-253412 20171228
- Main IPC: H01L29/08
- IPC: H01L29/08 ; H01L51/00 ; C07F5/02 ; C09K11/06 ; H01L51/50
Abstract:
A compound represented by the following formula (1), wherein one or more pairs among R12 and R13, R13 and R14, R14 and R15, R16 and R17, R17 and R18, and R18 and R19 independently form a ring represented by the following formula (2A) or a ring represented by the following formula (2B), or do not form a ring represented by the following formula (2A) and do not form a ring represented by the following formula (2B); and one of R12 to R28 is bonded with L2.
Public/Granted literature
- US20220020925A1 NOVEL COMPOUND AND ORGANIC ELECTROLUMINESCENCE DEVICE Public/Granted day:2022-01-20
Information query
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