A compound of the following general formula having a carbazole ring structure wherein R1 and R2 may be the same or different, and represent a deuterium atom, a fluorine atom, a chlorine atom, cyano, nitro, linear or branched alkyl having 1 to 6 carbon atoms that may have a substituent, cycloalkyl, having 5 to 10 carbon atoms that may have a substituent, linear or branched alkenyl having 2 to 6 carbon atoms that may have a substituent, linear or branched alkyloxy having 1 to 6 carbon atoms that may have a substituent, cycloalkyloxy having 5 to 10 carbon atoms that may have a substituent, substituted or unsubstituted aromatic hydrocarbon, a substituted or unsubstituted aromatic heterocyclic group, substituted or unsubstituted condensed polycyclic aromatic, or substituted or unsubstituted aryloxy, and these substituents may bind to each other via a single bond, substituted or unsubstituted methylene, an oxygen atom, or a sulfur atom to form a ring, and wherein r1 represents 0 or an integer of 1 to 3, r2 represents 0 or an integer of 1 to 4, A1 and A2 are different, A1 represents a monovalent group of the general formula below, A2 represents a monovalent group of the general formula below, B represents a divalent group of substituted or unsubstituted aromatic hydrocarbon, a divalent group of a substituted or unsubstituted aromatic heterocyclic ring, or a divalent group of substituted or unsubstituted condensed polycyclic aromatic, and C represents a single bond, or a divalent group of substituted or unsubstituted aromatic hydrocarbon, a divalent group of a substituted or unsubstituted aromatic heterocyclic ring, or a divalent group of substituted or unsubstituted condensed polycyclic aromatic, wherein R3 and R4 may be the same or different, and represent a deuterium atom, a fluorine atom, a chlorine atom, cyano, nitro, linear or branched alkyl having 1 to 6 carbon atoms that may have a substituent, cycloalkyl having 5 to 10 carbon atoms that may have a substituent, linear or branched alkenyl having 2 to 6 carbon atoms that may have a substituent, linear or branched alkyloxy having 1 to 6 carbon atoms that may have a substituent, cycloalkyloxy having 5 to 10 carbon atoms that may have a substituent, substituted or unsubstituted aromatic hydrocarbon, a substituted or unsubstituted aromatic heterocyclic group, substituted or unsubstituted condensed polycyclic aromatic, or substituted or unsubstituted aryloxy, and these substituents may bind to each other via a single bond, substituted or unsubstituted methylene, an oxygen atom, or a sulfur atom to form a ring, and wherein r3 represents 0 or an integer of 1 to 4, r4 represents 0 or an integer of 1 to 3, Ar1 represents substituted or unsubstituted aromatic hydrocarbon, a substituted or unsubstituted aromatic hetero-cyclic group, or substituted or unsubstituted condensed polycyclic aromatic, wherein R11 and R12 may be the same or different, and represent a deuterium atom, a fluorine atom, a chlorine atom, cyano, nitro, linear or branched alkyl having 1 to 6 carbon atoms that may have a substituent, cycloalkyl having 5 to 10 carbon atoms that may have a substituent, linear or branched alkenyl having 2 to 6 carbon atoms that may have a substituent, linear or branched alkyloxy having 1 to 6 carbon atoms that may have a substituent, cycloalkyloxy having 5 to 10 carbon atoms that may have a substituent, substituted or unsubstituted aromatic hydrocarbon, a substituted or unsubstituted aromatic heterocyclic group, substituted or unsubstituted condensed polycyclic aromatic, or substituted or unsubstituted aryloxy, and these substituents may bind to each other via a single bond, substituted or unsubstituted methylene, an oxygen atom, or a sulfur atom to form a ring, and wherein r11 and r12 may be the same or different, and represent 0 or an integer of 1 to 3, Ar6 represents substituted or unsubstituted aromatic hydrocarbon, a substituted or unsubstituted aromatic heterocyclic group, or substituted or unsubstituted condensed polycyclic aromatic, and W, X, Y and Z represent a carbon atom or a nitrogen atom, such that one of W, X, Y and Z is a nitrogen atom, the remaining of W, X, Y and Z are carbon atoms and the nitrogen atom does not have the substituent R12.