A compound having a structure represented by the following formulas (a) and (b):



wherein, in the formulas (a) and (b), a ring A, a ring B, a ring C and a ring D are independently a substituted or unsubstituted aromatic hydrocarbon ring having 6 to 50 ring carbon atoms, or a substituted or unsubstituted heterocyclic ring having 5 to 50 ring atoms; two or more of the ring A, the ring B, the ring C and the ring D are a heterocyclic ring; and each of sites *a, *b, *c and *d in the formula (a) and the formula (b) represents a position of an atom, and the atoms located in the sites *a, *b,*c and *d form one substituted or unsubstituted and saturated or unsaturated six-membered ring including four atoms thereof.