| 主权项 |
1. A compound of Formula 1: wherein, Z ring is a C10-C20 aryl group, X is O, L1 is selected from the group consisting of a single bond, a C6-C60 arylene group, a fluorenylene group, a C2-C60 heteroarylene group containing at least one heteroatom selected from the group consisting of O, N, S, Si, and P, and a fused ring group of a C3-C60 aliphatic ring and a C6-C60 aromatic ring, Ar1 is a C6-C60 aryl group, a C2-C60 heterocyclic group containing at least one heteroatom selected from the group consisting of O, N, S, Si, and P, a fluorenyl group, or a fused ring group of a C3-C60 aliphatic ring and a C6-C60 aromatic ring, m, n and o are each an integer of 0 to 4, R1, R2 and R3 are each independently selected from the group consisting of hydrogen, deuterium, halogen, a C6-C60 aryl 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, a fused ring group of a C3-C60 aliphatic ring and a C6-C60 aromatic ring, a C1-C50 alkyl group, a C2-C20 alkenyl group, a C2-C20 alkynyl group, a C1-C30 alkoxy group, a C6-C30 aryloxy group, and -L′-N(Ra)(Rb), and at least on of adjacent R1s or R2s and R3s may optionally form a ring, L′ is selected from the group consisting of a single bond, a C6-C60 arylene group, a fluorenylene group, a fused ring group of a C3-C60 aliphatic ring or a C6-C60 aromatic ring, and a C2-C60 heterocyclic group containing at least one heteroatom selected from O, N, S, Si, and P, Ra and Rb 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, and a C2-C60 heterocyclic group containing at least one heteroatom selected from O, N, S, Si, and P, and with the proviso that, the aryl group, heterocyclic group, fluorenyl group, fused ring group, alkyl group, alkenyl group, alkynyl group, alkoxy group, aryloxy group, arylene group, and fluorenylene group are optionally substituted by one or more substituents selected from the group consisting of deuterium, halogen, a silane group, a siloxane 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 with deuterium, a fluorenyl group, a C2-C20 heterocyclic group containing at least one heteroatom selected from the group consisting of O, N, S, Si, and P, a C3-C20 cycloalkyl group, a C7-C20 arylalkyl group, and a C8-C20 arylalkenyl group. |
