Compound for organic electronic element, organic electronic element using the same, and an electronic device thereof

A compound of Formula 1:

• wherein Formula 1 is represented by one of Formula 1-A to Formula 1-C:
• wherein:
• X1 and X3 are each independently O or S,
• Ar1 and Ar2 are each independently selected from the group consisting of a C6-C18 aryl group, a fluorenyl group, a C2-C15 heterocyclic group comprising at least one heteroatom selected from the group consisting of O, N, S, Si and P, a C3-C60 aliphatic ring, a fused ring of a C3-C60 aliphatic ring with 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 aryloxy group,
• L1 to L3 are each independently 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 C3-C60 aliphatic ring, and a fused ring of a C3-C60 aliphatic ring with a C6-C60 aromatic ring,
• R1 is selected from the group consisting of hydrogen, deuterium, halogen, a cyano group, 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 C3-C60 aliphatic ring, a fused ring of a C3-C60 aliphatic ring with 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, a C6-C30 aryloxy group and -L′-N(Ra)(Rb), and adjacent groups may be bonded to each other to form a ring,
• R8 is selected from the group consisting of hydrogen, deuterium, halogen, a cyano group, a nitro group, a C6-C20 aryl group, a fluorenyl group, a C2-C20 heterocyclic group comprising at least one heteroatom selected from the group consisting of O, N, S, Si and P, a C3-C20 aliphatic ring, a fused ring of a C3-C20 aliphatic ring with a C6-C20 aromatic ring, a C1-C20 alkyl group, a C2-C20 alkenyl group, a C2-C20 alkynyl group, a C1-C20 alkoxyl group, a C6-C30 aryloxy group, and -La-N(Ra)(Rb), and adjacent groups may be bonded to each other to form a ring,
• a is an integer of 0-9, i is an integer of 0-6, and where each of these is an integer of 2 or more, each of a plurality of R1s, each of a plurality of R8s are the same as or different from each other,
• 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, a C3-C60 aliphatic ring, and a fused ring of a C3-C60 aliphatic ring with a C6-C60 aromatic ring,
• 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 comprising at least one heteroatom selected from the group consisting of O, N, S, Si and P, a C3-C60 aliphatic ring, and a fused ring of a C3-C60 aliphatic ring with a C6-C60 aromatic ring,
• La is selected from the group consisting of a single bond, a C6-C20 arylene group, a fluorenylene group, a C2-C20 heterocyclic group comprising at least one heteroatom selected from the group consisting of O, N, S, Si and P, a C3-C20 aliphatic ring, and a combination thereof,
• Ra and Rb are each independently selected from the group consisting of a C6-C20 aryl group, a fluorenyl group, a C2-C20 heterocyclic group comprising at least one heteroatom selected from the group consisting of O, N, S, Si and P, a C3-C20 aliphatic ring, and a combination thereof,
• with the proviso that in Formula 1-A, when L3 is an arylene group, the compound of Formula 1-A wherein both the Xi-containing polycyclic ring and the triazine moiety are adjacently bonded to the same ring of L3 is excluded.