Patent ID: 8569485

Claim:
An organic electroluminescent device comprising a phenyl-substituted 1,3,5-triazine compound of formula (1): wherein: Ar 1 and Ar 2 each independently represent a phenyl group, a naphthyl group, or a biphenylyl group, wherein these groups may have one or more substituents selected from an alkyl group having 1 to 6 carbon atoms and a trifluoromethyl group; R 1 , R 2 , and R 3 each independently represent a hydrogen atom or a methyl group; X 1 and X 2 each independently represent a phenylene group, a naphthylene group, or a pyridylene group, wherein these groups may have one or more substituents selected from an alkyl group having 1 to 4 carbon atoms and a fluorine atom; p and q each independently represent an integer in the range of 0 to 2, wherein, when p is 2, the adjacent X 1 s may be the same or different, and when q is 2, the adjacent X 2 s may be the same or different; and Ar 3 and Ar 4 each independently represent a pyridyl group which may have one or more substituents selected from an alkyl group having 1 to 4 carbon atoms and a fluorine atom, or a phenyl group which may have one or more substituents selected from an alkyl group having 1 to 4 carbon atoms and a fluorine atom.