An organic compound represented by the following Chemical Formula 1: wherein each of R 1 and R 2 is independently selected from the group consisting of hydrogen, deuterium, tritium, amino group unsubstituted or substituted with a C 4 -C 30 aromatic or heteroaromatic group, a C 5 -C 30 aryl group unsubstituted or substituted with a C 4 -C 30 aromatic or heteroaromatic group, a C 4 -C 30 heteroaryl group unsubstituted or substituted with a C 4 -C 30 aromatic or heteroaromatic group, a C 5 -C 30 aralkyl group unsubstituted or substituted with a C 4 -C 30 aromatic or heteroaromatic group, a C 4 -C 30 heteroaralkyl group unsubstituted or substituted with a C 4 -C 30 aromatic or heteroaromatic group, a C 5 -C 30 aryloxyl group unsubstituted or substituted with a C 4 -C 30 aromatic or heteroaromatic group and a C 4 -C 30 heteroaryloxyl group unsubstituted or substituted with a C 4 -C 30 aromatic or heteroaromatic group, and at least one of R 1 and R 2 is not hydrogen, deuterium and tritium, wherein each of L 1 and L 2 is independently selected from the group consisting of a C 5 -C 30 arylene group unsubstituted or substituted with a C 4 -C 30 aromatic or heteroaromatic group, a C 4 -C 30 heteroarylene group unsubstituted or substituted with a C 4 -C 30 aromatic or heteroaromatic group, a C 5 -C 30 aralkylene group unsubstituted or substituted with a C 4 -C 30 aromatic or heteroaromatic group, a C 4 -C 30 heteroaralkylene group unsubstituted or substituted with a C 4 -C 30 aromatic or heteroaromatic group, a C 5 -C 30 aryloxylene group unsubstituted or substituted with a C 4 -C 30 aromatic or heteroaromatic group and a C 4 -C 30 heteroaryloxylene group unsubstituted or substituted with a C 4 -C 30 aromatic or heteroaromatic group, and each of m and n is independently 0 (zero) or 1, and wherein X is CR 3 R 4, NR 5, O or S, and each of R 3 to R 5 is independently selected from the group consisting of hydrogen, a linear or branched C 1 -C 20 alkyl group, a C 5 -C 30 aryl group unsubstituted or substituted with a C 4 -C 30 aromatic or heteroaromatic group, a C 4 -C 30 heteroaryl group unsubstituted or substituted with a C 4 -C 30 aromatic or heteroaromatic group, a C 5 -C 30 aralkyl group unsubstituted or substituted with a C 4 -C 30 aromatic or heteroaromatic group, a C 4 -C 30 heteroaralkyl group unsubstituted or substituted with a C 4 -C 30 aromatic or heteroaromatic group, a C 5 -C 30 aryloxyl group unsubstituted or substituted with a C 4 -C 30 aromatic or heteroaromatic group, a C 4 -C 30 heteroaryloxyl group unsubstituted or substituted with a C 4 -C 30 aromatic or heteroaromatic group, a C 5 -C 30 arylamino group unsubstituted or substituted with a C 4 -C 30 aromatic or heteroaromatic group and a C 4 -C 30 heteroaryl amino group unsubstituted or substituted with a C 4 -C 30 aromatic or heteroaromatic group. wherein each of R 1 and R 2 is independently selected from the group consisting of hydrogen, deuterium, tritium, amino group unsubstituted or substituted with a C 4 -C 30 aromatic or heteroaromatic group, a C 5 -C 30 aryl group unsubstituted or substituted with a C 4 -C 30 aromatic or heteroaromatic group, a C 4 -C 30 heteroaryl group unsubstituted or substituted with a C 4 -C 30 aromatic or heteroaromatic group, a C 5 -C 30 aralkyl group unsubstituted or substituted with a C 4 -C 30 aromatic or heteroaromatic group, a C 4 -C 30 heteroaralkyl group unsubstituted or substituted with a C 4 -C 30 aromatic or heteroaromatic group, a C 5 -C 30 aryloxyl group unsubstituted or substituted with a C 4 -C 30 aromatic or heteroaromatic group and a C 4 -C 30 heteroaryloxyl group unsubstituted or substituted with a C 4 -C 30 aromatic or heteroaromatic group, and at least one of R 1 and R 2 is not hydrogen, deuterium and tritium, wherein each of L 1 and L 2 is independently selected from the group consisting of a C 5 -C 30 arylene group unsubstituted or substituted with a C 4 -C 30 aromatic or heteroaromatic group, a C 4 -C 30 heteroarylene group unsubstituted or substituted with a C 4 -C 30 aromatic or heteroaromatic group, a C 5 -C 30 aralkylene group unsubstituted or substituted with a C 4 -C 30 aromatic or heteroaromatic group, a C 4 -C 30 heteroaralkylene group unsubstituted or substituted with a C 4 -C 30 aromatic or heteroaromatic group, a C 5 -C 30 aryloxylene group unsubstituted or substituted with a C 4 -C 30 aromatic or heteroaromatic group and a C 4 -C 30 heteroaryloxylene group unsubstituted or substituted with a C 4 -C 30 aromatic or heteroaromatic group, and each of m and n is independently 0 (zero) or 1, and wherein X is CR 3 R 4, NR 5, O or S, and each of R 3 to R 5 is independently selected from the group consisting of hydrogen, a linear or branched C 1 -C 20 alkyl group, a C 5 -C 30 aryl group unsubstituted or substituted with a C 4 -C 30 aromatic or heteroaromatic group, a C 4 -C 30 heteroaryl group unsubstituted or substituted with a C 4 -C 30 aromatic or heteroaromatic group, a C 5 -C 30 aralkyl group unsubstituted or substituted with a C 4 -C 30 aromatic or heteroaromatic group, a C 4 -C 30 heteroaralkyl group unsubstituted or substituted with a C 4 -C 30 aromatic or heteroaromatic group, a C 5 -C 30 aryloxyl group unsubstituted or substituted with a C 4 -C 30 aromatic or heteroaromatic group, a C 4 -C 30 heteroaryloxyl group unsubstituted or substituted with a C 4 -C 30 aromatic or heteroaromatic group, a C 5 -C 30 arylamino group unsubstituted or substituted with a C 4 -C 30 aromatic or heteroaromatic group and a C 4 -C 30 heteroaryl amino group unsubstituted or substituted with a C 4 -C 30 aromatic or heteroaromatic group.