A polycyclic compound represented by the following Formula 1: in Formula 1, L is a direct linkage; R 1 to R 4 are each, independently from one another, a hydrogen atom, a deuterium atom, a halogen atom, a substituted or unsubstituted amino group, a substituted or unsubstituted C 1 to C 20 alkyl group, a substituted or unsubstituted C 6 to C 30 aryl group, or a substituted or unsubstituted C 2 to C 30 heteroaryl group, or combined with an adjacent group to form a ring; m1 to m4 are each, independently from one another, an integer of 1 to 4; Z 1 to Z 8 are each, independently from one another, a hydrogen atom, a deuterium atom, a halogen atom, a substituted or unsubstituted amino group, a substituted or unsubstituted C 1 to C 20 alkyl group, a substituted or unsubstituted C 6 to C 30 aryl group, or a substituted or unsubstituted C 2 to C 30 heteroaryl group, or combined with an adjacent group to form a ring; and at least one pair among Z 1 and Z 2, Z 2 and Z 3, and Z 3 and Z 4 is represented by the following Formula 2-1, and at least one pair among Z 5 and Z 6, Z 6 and Z 7, and Z 7 and Z 8 is represented by the following Formula 2-2: in Formulae 2-1 and 2-2, R 11, and R 12 are each, independently from one another, a hydrogen atom, a deuterium atom, a halogen atom, a substituted or unsubstituted amino group, a substituted or unsubstituted C 1 to C 20 alkyl group, a substituted or unsubstituted C 6 to C 30 aryl group, or a substituted or unsubstituted C 2 to C 30 heteroaryl group, or combined with an adjacent group to form a ring; m11 and m12 are each, independently from one another, an integer of 1 to 4;, and Ar 1 and Ar 2 are each, independently from one another, a substituted or unsubstituted C 1 to C 20 alkyl group, a substituted or unsubstituted C 6 to C 30 aryl group, or a substituted or unsubstituted C 2 to C 30 heteroaryl group. L is a direct linkage; R 1 to R 4 are each, independently from one another, a hydrogen atom, a deuterium atom, a halogen atom, a substituted or unsubstituted amino group, a substituted or unsubstituted C 1 to C 20 alkyl group, a substituted or unsubstituted C 6 to C 30 aryl group, or a substituted or unsubstituted C 2 to C 30 heteroaryl group, or combined with an adjacent group to form a ring; m1 to m4 are each, independently from one another, an integer of 1 to 4; Z 1 to Z 8 are each, independently from one another, a hydrogen atom, a deuterium atom, a halogen atom, a substituted or unsubstituted amino group, a substituted or unsubstituted C 1 to C 20 alkyl group, a substituted or unsubstituted C 6 to C 30 aryl group, or a substituted or unsubstituted C 2 to C 30 heteroaryl group, or combined with an adjacent group to form a ring; and at least one pair among Z 1 and Z 2, Z 2 and Z 3, and Z 3 and Z 4 is represented by the following Formula 2-1, and at least one pair among Z 5 and Z 6, Z 6 and Z 7, and Z 7 and Z 8 is represented by the following Formula 2-2: in Formulae 2-1 and 2-2, R 11, and R 12 are each, independently from one another, a hydrogen atom, a deuterium atom, a halogen atom, a substituted or unsubstituted amino group, a substituted or unsubstituted C 1 to C 20 alkyl group, a substituted or unsubstituted C 6 to C 30 aryl group, or a substituted or unsubstituted C 2 to C 30 heteroaryl group, or combined with an adjacent group to form a ring; m11 and m12 are each, independently from one another, an integer of 1 to 4;, and Ar 1 and Ar 2 are each, independently from one another, a substituted or unsubstituted C 1 to C 20 alkyl group, a substituted or unsubstituted C 6 to C 30 aryl group, or a substituted or unsubstituted C 2 to C 30 heteroaryl group.