有機電界発光素子

Japanese Patent JP4923292

B2

To provide a new dopant material capable of aiming at the wave length-shortening of a light-emitting wave length and highly-brightening of an organic EL element, and an organic EL element by using the material.

This pyridone derivative is expressed by general formula (I) [wherein, R1is an aryl or a heterocyclic ring group without having N-atom; R2is an aryl or an aryl, a heterocyclic ring group without having N-atom or an alkoxycarbonyl; R3is an aryl, a heterocyclic ring group without having N-atom or an alkyl; and R4is H, an alkyl, an aryl, hydroxy or amino] and the organic electric field light-emitting (EL) element is also provided.

COPYRIGHT: (C)2008,JPO&INPIT

Hiroshi Omori
Mitsuo Komatsu
Seiji Minakata
Manabu Tsumura
Kiyoyuki Minamimura

JP2006129159A

April 25, 2012

May 08, 2006

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National University Corporation Osaka University
Kaneka Corporation

C07D213/64; C09K11/06; H01L51/50

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Inaoka cultivation
Mio Kawasaki
Maruyama Ondo

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