NITROGENATED AROMATIC HETEROCYCLIC DERIVATIVE, AND ORGANIC ELECTROLUMINESCENT ELEMENT USING SAME
申请人:Kato Tomoki
公开号:US20140167026A1
公开(公告)日:2014-06-19
A nitrogen-containing aromatic heterocyclic derivative in which a nitrogen atom of an indenocarbazole skeleton optionally having a hetero atom or an indenoindole skeleton optionally having a hetero atom is bonded to a dibenzofuran or a dibenzothiophene directly or indirectly. The derivative realizes an organic EL device with a high emission efficiency and a long lifetime.