Invention Grant
- Patent Title: Compound, material for organic electroluminescence devices, organic electroluminescence device, and electronic device
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Application No.: US16176762Application Date: 2018-10-31
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Publication No.: US10424740B2Publication Date: 2019-09-24
- Inventor: Tasuku Haketa , Hirokatsu Ito , Yu Kudo
- 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: Oblon, McClelland, Maier & Neustadt, L.L.P.
- Priority: JP2017-151141 20170803
- Main IPC: H01L51/50
- IPC: H01L51/50 ; H01L51/00 ; C07D311/82 ; C07D335/12
Abstract:
A compound represented by formula (1) provides an organic electroluminescence device having a low driving voltage and an excellent emission efficiency: wherein R1 to R8, R11 to R18, R21 to R28, R31 to R38, X, Y, L1, L2, L3, and Ar are as defined in the description.
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