Liquid crystalline compound having high optical anisotropy and liquid crystalline composition comprising the same

A liquid crystalline compound represented by Formula 1 below:

• wherein R1 and R2 are each independently C1-20 alkyl, cycloalkyl, alkoxy or alkenyl group in which 1-4 of hydrogen atoms may be substituted with fluorine atoms;
• X1, X2, X3 and X4 are each independently a hydrogen atom, F, Cl, Br, NCS, CN, CH3, CF3, CHF2, CH2F, OCF3, OCHF2 or OCH2F;
• L1 and L2 are each independently a single bond, C1-4 alkylene group, C2-4 divalent unsaturated hydrocarbon group containing at least one double or triple bond, —COO—, —OCO—, —CH2O—, —CF2O—, —OCF2—, —OCH2—, —NHCH2—, —CH2NH—, —CH2CO—, —COCH2—, —N═N— or —NON—;
• n is an integer of 1 or 2;
• r is an integer of 0 to 2;
• constituting the naphthalene group is a cyclohexane, cyclohexene or benzene ring;
• is 1,4-cyclohexylene, 1,4-phenylene or cyclohexene-1,4-diyl group in which at least one hydrogen atom may be substituted with a fluorine atom.