Patent ID: 7638206

Claim:
An organic electroluminescent device comprising: an anode, a cathode, and a compound of Formula I: wherein at least one R1-R8 is an electron transport group selected from the group consisting of triazine, oxadiazole, triazole, imidazole, oxazole, thiazole, thiadiazole, benzothiadiazole, pyridine, quinoline, quinoxaline, anthrazoline, phenanthroline, imidazole, pyrazole, and indane; and wherein the R1-R8 that are not an electron transport group are each a substituent independently selected from the group consisting of hydrogen, alkyl with from 1 to 25 carbon atoms, an alicyclic alkyl group with from about 3 to 15 carbon atoms, an alkoxy group with from 1 to 25 carbon atoms, a dialkylamino group with from 2 to 25 carbon atoms, a halogen, cyclohexyl, substituted or unsubstituted aryl, heteroaryl, biphenylyl, phenylvinyl, and diphenylvinyl.