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

A compound represented by Formula 6:

• wherein:
• a1 and a2 are each an integer of 0 or 1 and a1+a2=1, and p1 and p2 are each an integer of 0 to 4,
• Ar1 is 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 including at least one heteroatom of O, N, S, Si or P, and -L′-N(Ra)(Rb),
• X and Y are each independently O, S, C(R13)(R14), wherein R13 and R14 are each independently selected from the group consisting of hydrogen, deuterium, a C1-C50 alkyl group, a C2-C30 alkenyl group, a C2-C30 alkynyl group, a C1-C30 alkoxyl group, a C6-C30 aryloxyl group, a C1-C30 silyl group, a C6-C60 aryl group, a C2-C60 heterocyclic group comprising at least one heteroatom selected from the group consisting of O, N, S, Si, and P, a fluorenyl group, a fused ring group of a C6-C60 aromatic ring and a C3-C60 aliphatic ring, and -L′-N(Ra)(Rb), and R13 and R14 is optionally linked to each other to form a spiro-compound together with C or Si to which R13 and R14 are bond,
• m and n are each an integer of 0 or 1, and m+n is an integer of 1 or 2,
• R23, R24 and R25 are each independently selected from the group consisting of hydrogen, deuterium, a halogen, a C6-C60 aryl group, a fluorenyl group, a C2-C60 heterocyclic group comprising at least one heteroatom selected from the group consisting of O, N, S, Si, and P, a fused ring group of a C6-C60 aromatic ring and a C3-C60 aliphatic ring, a C1-C50 alkyl group, a C2-C20 alkenyl group, a C1-C50 alkynyl group, a C1-C30 alkoxyl group, a C6-C30 aryloxyl group, and -L′-N(Ra)(Rb), and neighboring groups of R23, R24 and R25 are optionally linked to each other to form a ring,
• L1 is selected from the group consisting of a single bond;
• a C6-C60 arylene group;
• a fluorenylene group;
• a C2-C60 heterocyclic group comprising at least one heteroatom selected from the group consisting of O, N, S, Si, and P;
• a fused ring formed by a C6-C60 aromatic ring and a C3-C60 aliphatic ring,
• L′ is selected from the group consisting of a single bond;
• a C6-C60 arylene group;
• a fluorenylene group;
• a C2-C60 heterocyclic group comprising at least one heteroatom selected from the group consisting of O, N, S, Si, and P;
• and a fused ring of a C3-C60 aliphatic ring and a C6-C60 aromatic ring, and L′ may be further substituted with 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 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, a C8-C20 arylalkenyl group and —N(Ra)(Rb), Ra and Rb are each independently selected from the group consisting of 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;
• and a fused ring of a C3-C60 aliphatic ring and a C6-C60 aromatic ring, and
• where R23 to R25, L1, Ar1, Ra and Rb are each an aryl group, a fluorenyl group, a heterocyclic group, a fused ring group, an alkyl group, an alkenyl group, an alkynyl group, an alkoxyl group, an aryloxy group, an arylene group or a fluorenylene group, they may be each further substituted with 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 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.