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

A compound represented by Formula (1) below:

• wherein:
• 1) Ar1, Ar2, Ar3 and Ar4 are each independently selected from the group consisting of:
• a halogen;
• a C6-C60 aryl group;
• a fluorenyl group;
• a C2-C60 heterocyclic group including at least one hetero atom of O, N, S, Si or 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;
• a C6-C30 aryloxy group;
• and -L′-N(Ra)(Rb), or may combine to form an aromatic ring or a hetero-aromatic ring by condensation of adjacent groups to a ring, wherein at least one of Ar1, Ar2, Ar3 and Ar4 is a substituent represented by Formula (1-1) above,
• 2) L1 and L2 are each selected from the group consisting of:
• a single bond;
• a C6-C60 arylene group;
• a fluorenylene group;
• and a C2-C60 hetero arylene group including at least one hetero atom of O, N, S, Si or P,
• 3) l is an integer of 0 to 4 and m, n and o are each an integer of 0 to 3, wherein at least one of l and o is an integer of 2 or more,
• 4) R1, R2, R3 and R4 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 including at least one hetero atom of O, N, S, Si or 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), wherein when R1 or R2 is plural, a plurality of R1 or a plurality of R2 may combine to each other to form a ring, and wherein R3 and/or R4 are plural, and a plurality of R3 and/or a plurality of R4 combine to each other to form a ring,
• 5) X is O or S, and
• 6) In -L′-N(Ra)(Rb) above, 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 and a C6-C60 aromatic ring;
• and a C2-C60 heterocyclic, and 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 hetero atom selected from the group consisting of O, N, S, Si, and P,
• wherein, the aryl group;
• fluorenyl group;
• arylene group;
• heterocyclic group;
• fused ring group described above may be substituted by one or more of the substituent(s) selected from the group consisting of:
• deuterium;
• halogen;
• a silane group;
• a siloxan group;
• a boron group;
• a germanium group;
• a cyano group;
• a nitro group;
• -L′-N(Ra)(Rb);
• 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 by deuterium;
• fluorenyl group;
• a C2-C20 heterocyclic group;
• a C3-C20 cycloalkyl group;
• a C7-C20 arylalkyl group;
• and a C8-C20 arylalkenyl group and also may combine to each other to form a saturated or unsaturated ring selected from the group consisting of:
• an aliphatic ring having 3 to 60 carbon atoms, an aromatic ring having 6 to 60 carbon atoms, a hetero ring having 2 to 60 carbon atoms, and a fused ring formed by the combination of them.