Novel heterocyclic compound and light-emitting diode including same

A compound, represented by the following [Chemical Formula A] or [Chemical Formula B]:

• wherein, A1, A2, E, and F, which may be same or different, are each independently a substituted or unsubstituted aromatic hydrocarbon ring of 6 to 50 carbon atoms;
• wherein two adjacent carbon atoms of the aromatic ring A1 and two adjacent carbon atoms of the aromatic ring A2 form a 5-membered fused ring together with the carbon atom having substituents R1 and R2 linked thereto;
• linkers L1 to L4, which may be same or different, are each independently a single bond or a substituted or unsubstituted arylene of 6 to 20 carbon atoms;
• M is one selected from N—R3, CR4R5, O, and S,
• M′ is one selected from N—R6, CR7R8, O, and S;
• R1 to R8 and R11 to R15, which may be same or different, are each independently selected from a hydrogen atom, a deuterium atom, a substituted or unsubstituted alkyl of 1 to 30 carbon atoms, a substituted or unsubstituted aryl of 6 to 50 carbon atoms, a substituted or unsubstituted cycloalkyl of 3 to 30 carbon atoms, a substituted or unsubstituted heterocycloalkyl of 2 to 30 carbon atoms, a substituted or unsubstituted heteroaryl of 2 to 50 carbon atoms, a substituted or unsubstituted alkylsilyl of 1 to 30 carbon atoms, a substituted or unsubstituted arylsilyl of 6 to 30 carbon atoms, a cyano, a nitro, and a halogen,
• with the proviso that R1 and R2 may be bonded to each other to form a mono- or polycyclic aliphatic or aromatic ring;
• s1 to s4, which may be same or different, are each independently an integer of 1 to 3, with the proviso that when any of them is 2 or greater, the corresponding linkers L1 to L4 may be same or different,
• x, y, z, and w, which may be same or different, are each independently an integer of 0 or 1, satisfying the following relationship:
• x+y+z=1 or x+y+z=2 in Chemical Formula A,
• x+y+z+w=1 or x+y+z+w=2 in Chemical Formula B,
• two adjacent carbon atoms of the A2 ring moiety of Chemical Formula A occupy respective positions * of Structural Formula Q1 to form a fused ring,
• two adjacent carbon atoms of the A1 ring moiety of Chemical Formula B occupy respective positions * of structural Formula Q2 to form a fused ring, and two adjacent carbon atoms of the A2 ring moiety of Chemical Formula B occupy respective positions * of Structural Formula Q1 to form a fused ring,
• Ar1 to Ar4, which may be same or different, are each independently represented by the following Structural Formula C;
• wherein R21 to R30, which may be same or different, are each independently any one selected from a hydrogen atom, a deuterium atom, a substituted or unsubstituted alkyl of 1 to 30 carbon atoms, a substituted or unsubstituted aryl of 6 to 50 carbon atoms, a substituted or unsubstituted cycloalkyl of 3 to 30 carbon atoms, a substituted or unsubstituted heteroaryl of 2 to 50 carbon atoms, a substituted or unsubstituted heterocycloalkyl of 2 to 30 carbon atoms, a substituted or unsubstituted alkylsilyl of 1 to 30 carbon atoms, a substituted or unsubstituted arylsilyl of 5 to 30 carbon atoms, a cyano, a nitro, and a halogen,
• any one of R21 to R30 being a single bond to any one of the linkers L1 to L4;
• wherein, the term “substituted” in the expression “a substituted or unsubstituted” used for the compound of Chemical Formulas A and B and Structural Formula C means having at least one substituent selected from the group consisting of a deuterium atom, a cyano, a halogen, a hydroxy, a nitro, an alkyl of 1 to 24 carbon atoms, a halogenated alkyl of 1 to 24 carbon atoms, an alkenyl of 1 to 24 carbon atoms, an alkynyl of 1 to 24 carbon atoms, a cycloalkyl of 3 to 24 carbon atoms, a heteroalkyl of 1 to 24 carbon atoms, an aryl of 6 to 24 carbon atoms, an arylalkyl of 7 to 24 carbon atoms, an alkylaryl of 7 to 24 carbon atoms, a heteroaryl of 2 to 24 carbon atoms, a heteroarylalkyl of 2 to 24 carbon atoms, an alkoxy of 1 to 24 carbon atoms, an alkylamino of 1 to 24 carbon atoms, a diarylamino of 12 to 24 carbon atoms, a diheteroarylamino of 2 to 24 carbon atoms, an aryl(heteroaryl)amino of 7 to 24 carbon atoms, an alkylsilyl of 1 to 24 carbon atoms, an arylsilyl of 6 to 24 carbon atoms, an aryloxy of 6 to 24 carbon atoms, and an arylthionyl of 6 to 24 carbon atoms.