A polycyclic aromatic compound represented by the following general formula, or an oligomer of a polycyclic aromatic compound having plural structures each represented by the following general formula: wherein in formula, R 1, R 2, R 3, R 4, R 5, R 6, R 7, R 8, R 9, R 10 and R 11 each independently represent a hydrogen atom, an aryl, a heteroaryl, a diarylamino, a diheteroarylamino, an arylheteroarylamino, an alkyl, an alkoxy or an aryloxy, while at least one hydrogen atom in these may be substituted by an aryl, a heteroaryl or an alkyl, adjacent groups among R 1 to R 11 may be bonded to each other and form an aryl ring or a heteroaryl ring together with the ring a, ring b or ring c, at least one hydrogen atom in the ring thus formed may be substituted by an aryl, a heteroaryl, a diarylamino, a diheteroarylamino, an arylheteroarylamino, an alkyl, an alkoxy or an aryloxy, and at least one hydrogen atom in these substituents may be substituted by an aryl, a heteroaryl or an alkyl wherein all the aryls are aryl having 6 to 30 carbon atoms, all the heteroaryls are heteroaryl having 2 to 30 carbon atoms, all the alkyls are a linear alkyl having 1 to 24 carbon atoms or a branched alkyl having 3 to 24 carbon atoms, all the alkoxys are a linear alkoxy having 1 to 24 carbon atoms or a branched alkoxy having 3 to 24 carbon atoms, the aryl ring is aryl ring having 9 to 30 carbon atoms, and the heteroaryl ring is heteroaryl ring having 6 to 30 carbon atoms; Y 1 represents B; X 1 and X 2 each independently represent O, N-R or S, wherein R of the moiety N-R represents an aryl having 6 to 12 carbon atoms which may be substituted by an alkyl having 1 to 6 carbon atoms, a heteroaryl having 2 to 15 carbon atoms, or an alkyl having 1 to 6 carbon atoms, R of the moiety N-R may be bonded to the ring a, ring b and/or ring c by -O-, -S-, -C(-R) 2 - or a single bond, and R of the moiety -C(-R) 2 - represents an alkyl having 1 to 6 carbon atoms; and at least one hydrogen atom in the compound represented by formula may be substituted by a halogen atom or a deuterium atom. R 1, R 2, R 3, R 4, R 5, R 6, R 7, R 8, R 9, R 10 and R 11 each independently represent a hydrogen atom, an aryl, a heteroaryl, a diarylamino, a diheteroarylamino, an arylheteroarylamino, an alkyl, an alkoxy or an aryloxy, while at least one hydrogen atom in these may be substituted by an aryl, a heteroaryl or an alkyl, adjacent groups among R 1 to R 11 may be bonded to each other and form an aryl ring or a heteroaryl ring together with the ring a, ring b or ring c, at least one hydrogen atom in the ring thus formed may be substituted by an aryl, a heteroaryl, a diarylamino, a diheteroarylamino, an arylheteroarylamino, an alkyl, an alkoxy or an aryloxy, and at least one hydrogen atom in these substituents may be substituted by an aryl, a heteroaryl or an alkyl wherein all the aryls are aryl having 6 to 30 carbon atoms, all the heteroaryls are heteroaryl having 2 to 30 carbon atoms, all the alkyls are a linear alkyl having 1 to 24 carbon atoms or a branched alkyl having 3 to 24 carbon atoms, all the alkoxys are a linear alkoxy having 1 to 24 carbon atoms or a branched alkoxy having 3 to 24 carbon atoms, the aryl ring is aryl ring having 9 to 30 carbon atoms, and the heteroaryl ring is heteroaryl ring having 6 to 30 carbon atoms; Y 1 represents B; X 1 and X 2 each independently represent O, N-R or S, wherein R of the moiety N-R represents an aryl having 6 to 12 carbon atoms which may be substituted by an alkyl having 1 to 6 carbon atoms, a heteroaryl having 2 to 15 carbon atoms, or an alkyl having 1 to 6 carbon atoms, R of the moiety N-R may be bonded to the ring a, ring b and/or ring c by -O-, -S-, -C(-R) 2 - or a single bond, and R of the moiety -C(-R) 2 - represents an alkyl having 1 to 6 carbon atoms; and at least one hydrogen atom in the compound represented by formula may be substituted by a halogen atom or a deuterium atom.