Invention Grant
- Patent Title: Compound, material for organic electroluminescent elements, organic electroluminescent element, and electronic device
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Application No.: US17015410Application Date: 2020-09-09
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Publication No.: US11059781B2Publication Date: 2021-07-13
- Inventor: Satomi Tasaki , Masahiro Kawamura , Toshinari Ogiwara , Hitoshi Kuma , Kei Yoshida , Keiji Okinaka
- Applicant: IDEMITSU KOSAN CO., LTD.
- Applicant Address: JP Chiyoda-ku
- Assignee: IDEMITSU KOSAN CO., LTD.
- Current Assignee: IDEMITSU KOSAN CO., LTD.
- Current Assignee Address: JP Chiyoda-ku
- Agency: Oblon, McClelland, Maier & Neustadt, L.L.P.
- Priority: JP2013-134020 20130626,JP2014-038262 20140228,JP2014-102875 20140516
- Main IPC: H01L51/54
- IPC: H01L51/54 ; C07D209/80 ; C07D209/82 ; C07D209/94 ; C07D491/048 ; C07D491/147 ; C09K11/06 ; H01L51/00 ; H01L51/50
Abstract:
A compound is represented by a formula (1) below, in which k is an integer of 0 or more, m is an integer of 1 or more, n is an integer of 2 or more. L is a substituted or unsubstituted aromatic hydrocarbon ring having 6 to 30 ring carbon atoms, CN is a cyano group, and D1 and D2 are each independently represented by one of a formula (2), a formula (3) and formula (3x) below, D1 and D2 being optionally mutually the same or different.
Information query
IPC分类:
