Patent ID: 7740955
Filing Date: 2010-06-22
Classification: C09B,C09K,H01L,H05B,Y10S

Abstract:
1. An organic electroluminescent element comprising a pair of electrodes having therebetween at least one constituting layer containing a phosphorescent light emitting layer, wherein one of the constituting layers contains a compound represented by Formula (15): wherein R and wherein said substituent is selected from the group consisting of an alkyl group, a cycloalkyl group, an alkenyl group, an alkynyl group, an aryl group, an aromatic heterocyclic group, a heterocyclic group, an alkoxy group, a cyclo alkoxyl group, acyloxy group, alkylthio group, cycloalkylthio group, an arylthio group, an alkoxycarbonyl group, an aryloxycarbonyl group, a sulfamoyl group, an acyl group, an acyloxy group, an amino group, a carbamoyl group, an ureido group, a sulfinyl group, an alkylsulfonyl group, an aryl sulfonyl group, an amino group, a halogen atom, a fluoride hydro fluoro carbon group, a cyano group, a nitro group, a hydroxyl group, a mercapto group and a silyl group.