Invention Grant
- Patent Title: Aromatic amine derivative and organic electroluminescence device
- Patent Title (中): 芳香族胺衍生物和有机电致发光器件
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Application No.: US13413963Application Date: 2012-03-07
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Publication No.: US08703304B2Publication Date: 2014-04-22
- Inventor: Nobuhiro Yabunouchi
- Applicant: Nobuhiro Yabunouchi
- Applicant Address: JP Tokyo
- Assignee: Idemitsu Kosan Co., Ltd.
- Current Assignee: Idemitsu Kosan Co., Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- Priority: JP2008-140650 20080529
- Main IPC: H01L51/54
- IPC: H01L51/54

Abstract:
An aromatic amine derivative having a specific structure. An organic electroluminescence device which is composed of one or more organic thin film layers sandwiched between a cathode and an anode, wherein at least one of the organic thin film layers, especially a hole transporting layer, contains the aromatic amine derivative. The aromatic amine derivative has at least one substituted or unsubstituted dibenzofuran skeleton and at least one substituted or unsubstituted terphenylene skeleton. Because the molecules in the aromatic amine derivate hardly crystallize, organic electroluminescence devices improving their production yield and having prolonged lifetime are provided.
Public/Granted literature
- US20120161119A1 AROMATIC AMINE DERIVATIVE AND ORGANIC ELECTROLUMINESCENCE DEVICE Public/Granted day:2012-06-28
Information query
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