| 主权项 |
1. A compound represented by Formula 1 below: wherein X is O, S, C(Ra) (Rb), N(Rc), P(Rd), Si(Re)(Rf) or Ge(Rg)(Rh), wherein Ra, Rb, Rc, Rd, Re, Rf, Rg and Rh are each independently selected from the group consisting of a C6-C60 aryl group, a fluorenyl group, a fused ring group of a C3-C60 aliphatic ring and a C6-C60 aromatic ring, a C2-C60 heterocyclic group containing at least one heteroatom selected from the group consisting of O, N, S, Si, and P, a C1-C50 alkyl group, a C2-C20 alkenyl group, a C1-C30 alkoxy group, a C6-C30 aryloxy group, and -L-N(R′)(R″), R1 to R14 are each independently selected from the group consisting of hydrogen, deuterium, halogen, a cyano group, a C6-C60 aryl group, a fluorenyl group, a fused ring group of a C3-C60 aliphatic ring and a C6-C60 aromatic ring, a C2-C60 heterocyclic group containing at least one heteroatom selected from the group consisting of O, N, S, Si and P, a C1-C50 alkyl group, a C2-C20 alkenyl group, a C1-C30 alkoxy group, a C6-C30 aryloxy group, and -L-N(R′)(R″), wherein at least one of, but not all of, R1 to R14 is linked to an adjacent group to form a monocyclic or polycyclic ring, L is selected from the group consisting of a single bond; a C6-C60 arylene group; a fluorenyl group; a C2-C60 heterocyclic group containing at least one heteroatom selected from the group consisting of O, N, S, Si, and P; and a bivalent aliphatic hydrocarbon group, wherein the arylene group, the fluorenyl group, the heterocyclic group, and the bivalent aliphatic hydrocarbon group are optionally substituted by one or more substituents selected from the group consisting of a nitro group, a cyano group, a halogen group, a C1-C20 alkyl group, a C6-C20 aryl group, a C2-C20 heterocyclic group, a C1-C20 alkoxy group, and an amino group; and R′ and R″ are each independently a C2-C60 heterocyclic group containing at least one heteroatom selected from the group consisting of O, N, S, Si, and P, a C6-C20 aryl group, or a fluorenyl group; with the proviso that when R1 to R14, Ra, Rb, Rc, Rd, Re, Rf, Rg and Rh are an aryl group, a fluorenyl group, a fused ring group, a heterocyclic group, a alkyl group, a alkenyl group, a alkoxy group, or a aryloxy group, R1 to R14, Ra, Rb, Rc, Rd, Re, Rf, Rg and Rh are optionally substituted by one or more substituents selected from the group consisting of deuterium, halogen, a silane group, a boron group, a germanium group, a cyano group, a nitro group, a C1-C20 alkylthio group, a C1-C20 alkoxy group, a C1-C20 alkyl group, a C2-C20 alkenyl group, a C2-C20 alkynyl group, a C6-C20 aryl group, a C6-C20 aryl group substituted by deuterium, a C2-C20 heterocyclic group, a C3-C20 cycloalkyl group, a C7-C20 arylalkyl group, and a C8-C20 arylalkenyl group. |
