Patent ID: 7858208
Filing Date: 2010-12-28
Classification: C07F,C08G,C09K,H01L,H05B

Abstract:
1. A method for preparing an organic light-emitting diode, comprising: forming at least one layer of the diode to contain at least one copper(I) complex having the formula I wherein X is nitrogen or a C—R group, R is alkyl or aryl, Ar is phenyl or naphthyl, optionally substituted by from one to three radicals selected from the group consisting of alkoxy, alkylthio, alkylamino, dialkylamino, alkoxycarbonyl, alkoxysulfonyl, halogen, cyano, carboxyl, hydroxysulfonyl and nitro, and the two optionally substituted phenyl or naphthyl radicals may be joined to one another by a chemical single bond via the carbon atoms in the α- and α′-position relative to the phosphorus atom, n is 1, 2 or 3, and Y is halogen, cyano, thiocyanato, alkoxy, aryloxy, alkylthio, arylthio, alkylamino, dialkylamino, arylamino or diarylamino.