Compound for organic electric element, organic electric element comprising the same and electronic device thereof

A compound of Formula 3:

• wherein:
• R1 and R2 are each independently selected from the group consisting of deuterium, a cyano group, 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 alkoxyl group, and a C6-C30 aryloxyl group,
• n is an integer of 0 to 6 and o is an integer of 0 to 3, and a plurality of R1 and R2 are each the same or different from each other when n and o are each an integer of 2 or more,
• L1 is a 1,4-phenylene group, L2 and L3 are each independently a single bond or a C6-C60 arylene group,
• Ar1 and Ar2 are each independently a C6-C60 aryl group, with the proviso that at least one of Ar1 and Ar2 is a naphthyl or phenanthrenyl group,
• when R1 and R2 are each the aryl group, fluorenyl group, heterocyclic group, fused ring group, alkyl group, alkenyl group, alkynyl group, alkoxyl group, or aryloxy group, each of the groups may be each optionally further substituted with one or more substituents selected from the group consisting of deuterium, halogen, a silane group substituted or unsubstituted with a C1-C20 alkyl group or a C6-C20 aryl group, a siloxane group, a boron group, a germanium group, a cyano group, a C1-C20 alkylthio group, a C1-C20 alkoxyl 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,
• the phenylene group of L1 may be optionally substituted with one or more substituents selected from the group consisting of deuterium, halogen, a silane group substituted or unsubstituted with a C1-C20 alkyl group or a C6-C20 aryl group, a siloxane group, a boron group, a germanium group, a cyano group, a nitro group, a C1-C20 alkylthio group, a C1-C20 alkoxyl 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,
• the arylene group of L2 and L3 may be optionally further substituted with one or more substituents selected from the group consisting of deuterium, halogen, a silane group substituted or unsubstituted with a C1-C20 alkyl group or a C6-C20 aryl group, a siloxane group, a boron group, a germanium group, a cyano group, a nitro group, a C1-C20 alkylthio group, a C1-C20 alkoxyl group, a C1-C20 alkyl group, a C2-C20 alkenyl group, a C2-C20 alkynyl group, a C3-C20 cycloalkyl group, a C7-C20 arylalkyl group, and a C8-C20 arylalkenyl group, and
• the aryl group of Ar1 and Ar2 may be optionally further substituted with one or more substituents selected from the group consisting of deuterium, halogen, a silane group substituted or unsubstituted with a C1-C20 alkyl group or a C6-C20 aryl group, a siloxane group, a boron group, a germanium group, a cyano group, a nitro group, a C1-C20 alkylthio group, a C1-C20 alkoxyl group, a C1-C20 alkyl group, a C2-C20 alkenyl group, a C2-C20 alkynyl group, a C6-C20 aryl group substituted with deuterium, a fluorenyl group, a C3-C20 cycloalkyl group, a C7-C20 arylalkyl group, and a C8-C20 arylalkenyl group, and adjacent substituents in Ar1 or adjacent substituents in Ar2 may be linked to each other to form a ring,
• with the proviso that:
• (i) a compound of formula 3 wherein L2-Ar1 or L3-Ar2 includes a terphenyl or a substituted or unsubstituted fluorenyl group, is excluded.