Compound including indole derivative, organic electronic element using same, and terminal thereof

A compound represented by Formula below,

• wherein (1) R1 to R3 and X are the same or different, and each independently represents (1) a C6˜C60 aryl group or a C5˜C60 heterocyclic group substituted or unsubstituted with at least one selected from the group including hydrogen, a halogen group, a cyano group, a nitrile group, a C1˜C60 alkyl group, a C1˜C60 alkoxy group, a C1˜C60 alkylamine group, a C1˜C60 arylamine group, a C1˜C60 alkylthiophene group, a C6˜C60 arylthiophene group, a C2˜C60 alkenyl group, a C2˜C60 alkynyl group, a C3˜C60 cycloalkyl group, a C6˜C60 aryl group, a deuterium-substituted C6˜C60 aryl group, a C8˜C60 arylalkenyl group, a substituted or unsubstituted silane group, a substituted or unsubstituted boron group, a substituted or unsubstituted germanium group, and a substituted or unsubstituted C5˜C60 heterocyclic group;
• an amino group substituted with at least one substituent selected from the group including a substituted or unsubstituted aryl group, a substituted or unsubstituted arylalkyl group, and a substituted or unsubstituted arylalkenyl group;
• a fused cyclic group of a C6˜C60 aromatic ring with a C4˜C60 aliphatic ring;
• or any group selected from the group consisting of a hydrogen atom, a halogen atom, a nitro group, a cyano group, a substituted or unsubstituted aliphatic hydrocarbon group, a substituted or unsubstituted aryl group, and a substituted or unsubstituted hetero aryl group;
• (2) n represents an integer of 1 to 3;
• (3) Ar1 to Ar2 are the same or different, and each is independently selected from the group including:
• a C1˜C60 alkyl group, a C1˜C60 alkoxy group, a C1˜C60 aryl group, a carbazolyl group, or a fluorenyl group, substituted or unsubstituted with at least one substituent selected from the group including a halogen group, an alkyl group, an alkenyl group, a substituted or unsubstituted aryl group, a substituted or unsubstituted arylalkyl group, a substituted or unsubstituted arylalkenyl group, a substituted or unsubstituted hetero cyclic group, a substituted or unsubstituted carbazolyl group, a substituted or unsubstituted fluorenyl group, a nitrile group, and an acetylene group, or a hetero cyclic group that is substituted or unsubstituted with at least one substituent selected from the group including a halogen group, an alkyl group, an alkenyl group, an alkoxy group, a substituted or unsubstituted arylamine group, a substituted or unsubstituted aryl group, a substituted or unsubstituted carbazolyl group, a substituted or unsubstituted fluorenyl group, a nitrile group, and an acetylene group and comprises O, N, or S as a heteroatom;
• a hydroxyl group;
• a carboxyl group;
• a nitrile group, a nitro group, a halogen group, —N(R′)(R″);
• —CO—N(R′)(R″);
• and —COOR′;
• and
• (4) L represents a substituted or unsubstituted arylene group, a substituted or unsubstituted hetero arylene group, a group selected from the group including divalent or trivalent, substituted or unsubstituted aliphatic hydrocarbons, or a divalent linking group, and m represents an integer of 0 to 3.