Multicyclic aromatic compound and organic light emitting device using the same

A compound of the following Chemical Formula 1:

• wherein, in Chemical Formula 1,
• R1 and R2 are different from each other,
• R1 and R2 are each independently anthracenyl;
• phenanthrenyl;
• pyrenyl;
• triphenylenyl;
• phenyl-or alkyl-substituted fluorenyl;
• phenyl-substituted or unsubstituted carbazolyl;
• naphthyl, arylamine or dimethylfluorenyl-substituted or unsubstituted phenyl;
• biphenyl;
• alkyl- substituted or unsubstituted indenyl;
• acenaphthylenyl;
• fluoranthenyl;
• phenyl-substituted naphthyl;
• indolyl;
• benzoxazolyl;
• or benzothiazolyl,
• at least one of R1 or R2 is a substituent having seven or more carbons in ring members, or a substituent including two or more rings,
• R3 to R10 are each independently hydrogen or a monovalent organic substituent;
• and
• R3 and R4, R4 and R5, R5 and R6, R7 and R8, R8 and R9 or R9 and R10 may form a monocyclic or multicyclic aliphatic ring, or a monocyclic or multicyclic aromatic ring, by being linked through C3-C30 alkylene or C3-C30 alkenylene that does or does not include a fused ring.