[EN] COMPOUNDS HAVING ELECTRON TRANSPORT PROPERTIES, THEIR PREPARATION AND USE [FR] COMPOSÉS PRÉSENTANT DES PROPRIÉTÉS DE TRANSPORT D'ÉLECTRONS, LEUR PRÉPARATION ET LEUR UTILISATION
[EN] COMPOUNDS HAVING ELECTRON TRANSPORT PROPERTIES, THEIR PREPARATION AND USE<br/>[FR] COMPOSÉS PRÉSENTANT DES PROPRIÉTÉS DE TRANSPORT D'ÉLECTRONS, LEUR PRÉPARATION ET LEUR UTILISATION
申请人:MERCK PATENT GMBH
公开号:WO2010020352A1
公开(公告)日:2010-02-25
The invention provides compounds having utility inter alia as electron transport materials in optical light emitting diodes (OLEDs) and of the formula (I), (Il) or (III). Embodiments of the compounds when incorporated as electron transport layers in OLEDs exhibit a greater current density for a given voltage than corresponding devices where the electron transport material is aluminium quinolate.