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

A compound represented by Formula 1:

• wherein,
• 1) X and Y are independently of each other are O, S, NR′, CR′R″ or absent;
• 2) R′ and R″ are independently of each other hydrogen;
• deuterium;
• halogen;
• C1-C60 alkyl group;
• a C2-C60 alkenyl group;
• a C2-C60 alkynyl group;
• a C1-C60 alkoxy group;
• a C6-C60 aryloxy group;
• a 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;
• or R and R″ may be bonded to each other to form a spiro;
• 3) R1, R2 and R3 are each the same or different, and each independently selected from the group consisting of hydrogen;
• deuterium;
• halogen;
• cyano group;
• nitro group;
• a 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;
• a C1-C60 alkyl group;
• a C2-C60 alkenyl group;
• a C2-C60 alkynyl group;
• a C1-C60 alkoxy group;
• a C6-C60 aryloxy group;
• and -L′-N(Ra)(Rb);
• or a plurality of adjacent R1s, or a plurality of R2s, or a plurality of R3s may be bonded to each other to form a ring;
• 4) L and L′ are each independently selected from the group consisting of single bond;
• a C6-C60 arylene group;
• a fluorenylene group;
• a C2-C60 heterocyclic group including at least one heteroatom of O, N, S, Si or P;
• and a C3-C60 aliphatic ring;
• 5) Ar, Ra and Rb are each independently a 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;
• 6) a is an integer of 0 to 4, b is an integer of 0 to 5, and c is an integer of 0 to 3;
• 7) the aryl group, arylene group, heterocyclic group, fluorenyl group, fluorenylene group, fused ring group, alkyl group, alkenyl group, alkoxy group or aryloxy group of R′, R″, R1, R2, R3, L, L′, Ar, Ra, or Rb 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 alkoxy 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′-NRaRb;
• and 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 or a C6-C60 aromatic ring or a C2-C60 heterocyclic group or a fused ring formed by the combination thereof.