Invention Grant
US09564595B2 Bis-carbazole derivative and organic electroluminescent element using same
有权
双咔唑衍生物和使用其的有机电致发光元件
- Patent Title: Bis-carbazole derivative and organic electroluminescent element using same
- Patent Title (中): 双咔唑衍生物和使用其的有机电致发光元件
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Application No.: US14006514Application Date: 2012-03-21
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Publication No.: US09564595B2Publication Date: 2017-02-07
- Inventor: Tomoki Kato , Nobuhiro Yabunouchi , Takahiro Fujiyama
- Applicant: Tomoki Kato , Nobuhiro Yabunouchi , Takahiro Fujiyama
- 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: JP2011-066821 20110324
- International Application: PCT/JP2012/057236 WO 20120321
- International Announcement: WO2012/128298 WO 20120927
- Main IPC: H01L51/54
- IPC: H01L51/54 ; C09K11/06 ; H01L51/00 ; C07D209/86 ; C07D209/88 ; H01L51/50
Abstract:
A biscarbazole derivative represented by formula (1): wherein A1, A2, L1, L2, R1 to R4, and a to d are as defined in the specification, is useful as a material for forming organic EL devices and the organic EL devices including the derivative is capable of driving at a low voltage and has a long lifetime.
Public/Granted literature
- US20140008633A1 BIS-CARBAZOLE DERIVATIVE AND ORGANIC ELECTROLUMINESCENT ELEMENT USING SAME Public/Granted day:2014-01-09
Information query
IPC分类:
