| abstract |
Provided are a heteroaromatic cycle-containing compound used for an organic light emitting diode, represented by Formula 1: n n n n n n n n n n wherein X is N or C; Ar 1 is a phenyl group, a C 6 -C 20 aryl group, a C 7 -C 20 arylalkyl group, a C 7 -C 20 arylalkoxy group, a C 6 -C 20 arylamino group, a C 6 -C 20 heteroarylamino group, or a C 2 -C 20 hetero ring group; and Ar 2 , Ar 3 and Ar 4 are each independently hydrogen, a cyano group, a hydroxyl group, a nitro group, halogen, phenyl, a C 1 -C 20 alkyl group, a C 1 -C 20 alkoxy group, a C 6 -C 20 aryl group, a C 7 -C 20 arylalkyl group, a C 2 -C 20 alkylalkoxy group, a C 7 -C 20 arylalkoxy group, a C 6 -C 20 arylamino group, a C 1 -C 20 alkylamino group, a C 6 -C 20 heteroarylamino group, or a C 2 -C 20 hetero ring group, wherein, when X is N, Ar 4 is a lone electron pair, and when X is C, Ar 3 and Ar 4 are alternatively bound together to form a carbon ring. |