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

A compound represented by Formula (1):

• wherein:
• R1, R2, R3 and R4 being the same or different from each other, 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 including at least one heteroatom of O, N, S, Si or F;
• a fused ring group of a C3-C60 aliphatic ring and a C6-C60 aromatic ring;
• a C3-C60 aliphatic 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;
• a, b, c and d are each independently an integer of 0 to 3,
• R′, R″ and Ar1 are each independently selected from the group consisting of a C6-C60 aryl group;
• a fluorenyl group;
• a C2-C60 heterocyclic group including at least one heteroatom of O, N, S, Si or F;
• 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;
• and a C6-C30 aryloxy group, and R′ and R″ may be bonded to each other to form a ring,
• X is O or S,
• L3 is selected from the group consisting of a 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 F;
• a fused ring group of a C3-C60 aliphatic ring and a C6-C60 aromatic ring;
• Ar2 is selected from the group consisting of hydrogen;
• deuterium;
• a C6-C60 aryl group;
• a fluorenyl group;
• a C2-C60 heterocyclic group including at least one heteroatom of O, N, S, Si or F;
• 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 01-030 alkoxyl group;
• and a C6-C30 aryloxy group;
• Ar3 is a C6-C60 aryl group;
• a fluorenyl group;
• or a substituent represented by any of Formulas Ar-1 to Ar-6:
• wherein:
• R11, R12, R13, R14, R15 and R16 are the same as the definition of R1,
• m is an integer of 0 to 5, n, p, q and r are each independently an integer of 0 to 4, o is an integer of 0 to 3,
• Y is O, S, CRxRy or NRz,
• Ra, Rb, Rx, Ry and Rz are the same as the definition of R′, and Ra and Rb, or Rx and Ry may be bonded to each other to form a ring,
• refers to the position where L3 is to be bonded,
• wherein the aryl group, arylene group, heterocyclic group, fluorenyl group, fluorenylene group, fused ring group, aliphatic ring group, alkyl group, alkenyl group, alkynyl group, alkoxy group and aryloxy group may be substituted with one or more substituents selected from the group consisting of deuterium;
• a 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 aC1-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;
• a C3-C20 cycloalkyl group;
• a C7-C20 arylalkyl group;
• and a C8-C20 arylalkenyl group;
• and the hydrogen of these substituents may be further substituted with one or more deuterium, 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.