Patent ID: 6596415
Filing Date: 2003-07-22
Classification: H01L,Y10S

Abstract:
An organic multilayer electroluminescent device including an anode and cathode, and comprising therebetween:a hole transport layer; and an electron transport layer disposed in operative relationship with the hole transport layer; wherein:the hole transport layer includes an organic compound having the formula: whereinR is an alkyl group of from 1 to 12 carbon atoms; and Ar is a substituted or unsubstituted phenyl or naphthyl moiety; the substituents on the phenyl or naphthyl moiety are individually hydrogen, or alkyl of from 1 to 24 carbon atoms, aryl or substituted aryl of from 5 to 28 carbon atoms, heterouryl or substituted heteroaryl of from 5 to 28 carbon atoms, fluorine, chlorine or bromine atoms, or a cyano group.