Invention Grant
- Patent Title: Material for an organic electroluminescence device and an organic electroluminescence device
- Patent Title (中): 有机电致发光器件和有机电致发光器件的材料
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Application No.: US12519170Application Date: 2007-12-10
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Publication No.: US08119828B2Publication Date: 2012-02-21
- Inventor: Hironobu Morishita
- Applicant: Hironobu Morishita
- 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: JP2006-338200 20061215
- International Application: PCT/JP2007/073749 WO 20071210
- International Announcement: WO2008/072586 WO 20080619
- Main IPC: C07C255/47
- IPC: C07C255/47 ; H01L51/54

Abstract:
A material for an organic electroluminescence device represented by the following formula (I): wherein X1 is one of divalent groups represented by the following (a) to (e); Y1 to Y4 are independently a carbon atom or a nitrogen atom; and R1 to R4 are independently a hydrogen atom, an alkyl group, a substituted or unsubstituted aryl group, a substituted or unsubstituted heterocycle, a halogen atom, a fluoroalkyl group or a cyano group, or R1 and R2, and R3 and R4 are independently bonded to form a substituted or unsubstituted aromatic ring or a substituted or unsubstituted heterocycle.
Public/Granted literature
- US20100044686A1 MATERIAL FOR AN ORGANIC ELECTROLUMINESCENCE DEVICE AND AN ORGANIC ELECTROLUMINESCENCE DEVICE Public/Granted day:2010-02-25
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