Compound comprising a five-membered hetero ring, an organic electrical element using same and a terminal thereof

A compound represented by Formula below:

• wherein R1, R2, R3, R4, R5, and R6 are each independently a hydrogen atom, a halogen atom, a cyano group, an alkoxy group, a thiol group, a substituted or unsubstituted C1 to C50 alkyl group, a substituted or unsubstituted C1 to C50 alkoxy group, a substituted or unsubstituted C1 to C50 alkenyl group, a substituted or unsubstituted C5 to C60 arylene group, a substituted or unsubstituted C5 to C60 aryl group, a substituted or unsubstituted C5 to C60 aryloxy group, a substituted or unsubstituted C1 to C50 alkyl group including at least one of sulfur (S), nitrogen (N), oxygen (O), phosphorous (P), and silicon (Si), a substituted or unsubstituted C5 to C60 heteroaryl group including at least one of sulfur (S), nitrogen (N), oxygen (O), phosphorous (P) and silicon (Si), or a substituted or unsubstituted C5 to C60 heteroaryloxy group including at least one of sulfur (S), nitrogen (N), oxygen (O), phosphorous (P) and silicon (Si);
• X is sulfur (S), oxygen (O), or silicon (Si);
• Ar is a hydrogen atom, a substituted or unsubstituted C1 to C50 alkyl group, a substituted or unsubstituted C1 to C50 alkenyl group, a substituted or unsubstituted C5 to C60 arylene group, a substituted or unsubstituted C5 to C60 aryl group, a substituted or unsubstituted C5 to C60 aryloxy group, a substituted or unsubstituted C1 to C50 alkyl group including at least one of sulfur (S), nitrogen (N), oxygen (O), phosphorous (P), and silicon (Si), a substituted or unsubstituted C5 to C60 heteroaryl group including at least one of sulfur (S), nitrogen (N), oxygen (O), phosphorous (P) and silicon (Si), or a substituted or unsubstituted C5 to C60 heteroaryloxy group including at least one of sulfur (S), nitrogen (N), oxygen (O), phosphorous (P) and silicon (Si);
• Y is a substituted or unsubstituted C1 to C50 alkyl group, a substituted or unsubstituted C1 to C50 alkenyl group, a substituted or unsubstituted C5 to C60 arylene group, a substituted or unsubstituted C5 to C60 aryl group, a substituted or unsubstituted C5 to C60 aryloxy group, a substituted or unsubstituted C1 to C50 alkyl group including at least one of sulfur (S), nitrogen (N), oxygen (O), phosphorous (P), and silicon (Si), a substituted or unsubstituted C5 to C60 heteroaryl group including at least one of sulfur (S), nitrogen (N), oxygen (O), phosphorous (P) and silicon (Si), or a substituted or unsubstituted C5 to C60 heteroaryloxy group including at least one of sulfur (S), nitrogen (N), oxygen (O), phosphorous (P) and silicon (Si);
• n is 1 or 2;
• Z is S, NR7R8, OR9, PR10R11 or POR10R11, or SiR12 wherein R7, R8, R9, R10, R11, and R12 are each independently a substituted or unsubstituted C5 to C60 aryl group or a substituted or unsubstituted C5 to C60 heteroaryl group including at least one of sulfur (S), nitrogen (N), oxygen (O), phosphorous (P) and silicon (Si), with the proviso that R7 and R8 do not bond to each other to form a ring structure.