Compound for organic electrical element, organic electrical element using same and electronic device thereof

A compound represented by Formula (1):

• wherein:
• 1) a, b, c, e and f are each independently an integer of 0 to 4, and d is an integer of 1 to 3,
• 2) R1, R2, R3, R4, R5 and R6 are each the same or different, and are each independently selected from the group consisting of hydrogen;
• deuterium;
• tritium;
• halogen;
• cyano group;
• nitro group;
• C6-C60 aryl group;
• a fluorenyl group;
• a C2-C60 heterocyclic group including at least one heteroatom of O, N, S, Si or P;
• a fused ring group of a C3-C60 aliphatic ring and a C6-C60 aromatic ring;
• C1-C50 alkyl group;
• C2-C20 alkenyl group;
• C2-C20 alkynyl group;
• C1-C30 alkoxyl group;
• C6-C30 aryloxy group;
• and -L′-N(Ra)(Rb), and
• where a, b, c, d, e or f is an integer of 2 or more, adjacent R1s or adjacent R2s or adjacent R3s or adjacent R4s or adjacent R6s may be bonded to each other to form a ring, with the proviso that adjacent R5s do not form a ring together,
• 3) L1 is selected from the group consisting of 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 group,
• 4) Ar1 and Ar2 are the same or different from each other, and are each independently selected from the group consisting of deuterium;
• tritium;
• halogen;
• cyano group;
• nitro group;
• C6-C60 aryl group;
• a fluorenyl group;
• a C2-C60 heterocyclic group including at least one heteroatom of O, N, S, Si or P;
• a fused ring group of a C3-C60 aliphatic ring and a C6-C60 aromatic ring;
• C1-C50 alkyl group;
• C2-C20 alkenyl group;
• C2-C20 alkynyl group;
• C1-C30 alkoxyl group;
• C6-C30 aryloxy group;
• and -L′-N(Ra)(Rb), and Ar1 and Ar2 may be bonded to each other to form a ring,
• wherein L′ is selected from the group consisting of single bond;
• a C6-C60 arylene group;
• a fluorenylene group;
• a C3-C60 aliphatic ring;
• a C2-C60 heterocyclic group including at least one heteroatom of O, N, S, Si or P;
• and combinations thereof;
• wherein Ra and Rb are each independently selected from a C6-C60 aryl group;
• a fluorenyl group;
• a C3-C60 aliphatic ring and a C2-C60 heterocyclic group including at least one heteroatom of O, N, S, Si or P,
• wherein the aryl group, arylene group, heterocyclic group, fluorenyl group, fluorenylene group, fused ring group, alkyl group, alkenyl group, alkoxy group and aryloxy group may be substituted with one or more substituents selected from the group consisting of deuterium;
• halogen;
• silane group;
• siloxane group;
• boron group;
• germanium group;
• cyano group;
• nitro group;
• C1-C20 alkylthio group;
• C1-C20 alkoxyl group;
• C1-C20 alkyl group;
• C2-C20 alkenyl group;
• C2-C20 alkynyl group;
• C6-C20 aryl group;
• C6-C20 aryl group substituted with deuterium;
• a fluorenyl group;
• C2˜C20 heterocyclic group;
• C3-C20 cycloalkyl group;
• C7-C20 arylalkyl group;
• C8-C20 arylalkenyl group;
• and -L′-N(Ra)(Rb);
• wherein the substituents may be bonded to each other to form a saturated or unsaturated ring, wherein the term ‘ring’ means a C3-C60 aliphatic ring, a C6-C60 aromatic ring, a C2-C60 heterocyclic group, a fused ring formed by combination thereof.