An organic semiconductor film, comprising a compound of formula and/or a compound of formula , or comprising a polymer having at least one structural unit of any of formulae - : wherein rings A, B each are an aromatic 5-membered ring, X is N or CR X , and R X is H or a substituent, E is O or S, p, q, r, s each are an integer of 0-2, Z 1 is S, Se, O or NR Z1 , and R Z1 is H or a substituent, Z 2 is N or CR Z2 , and R Z2 is H or a substituent, n is 1 or 2, * is a bonding site for being incorporated into a polymer, and R 1 -R 4 each are halogen or a group *-L-T, wherein * is a bonding site, T is H, halogen or cyano, and L is a single bond, a divalent group of any of the formulae (L-1) to (L-25), or a divalent group formed by bonding two or more divalent groups of any of (L-1) to (L-25): wherein the wavy line portion is a bonding site to a ring structure of formula , , and - , or a bonding site to * of a divalent group of any of formulae (L-1) to (L-25), * is a bonding site to T, or a bonding site to a wavy line portion of a divalent group of any of Formulae (L-1) to (L-25), R A is H or a substituent, R N is H or a substituent, R si is H, alkyl, alkenyl or alkynyl; and m is an integer of 1-4 in formula (L-13), is an integer of 1-3 in formulae (L-14) and (L-15), is 1 or 2 in formulae (L-16) to (L-20) and is an integer of 1-6 in formula (L-22). rings A, B each are an aromatic 5-membered ring, X is N or CR X , and R X is H or a substituent, E is O or S, p, q, r, s each are an integer of 0-2, Z 1 is S, Se, O or NR Z1 , and R Z1 is H or a substituent, Z 2 is N or CR Z2 , and R Z2 is H or a substituent, n is 1 or 2, * is a bonding site for being incorporated into a polymer, and R 1 -R 4 each are halogen or a group *-L-T, wherein * is a bonding site, T is H, halogen or cyano, and L is a single bond, a divalent group of any of the formulae (L-1) to (L-25), or a divalent group formed by bonding two or more divalent groups of any of (L-1) to (L-25): wherein the wavy line portion is a bonding site to a ring structure of formula , , and - , or a bonding site to * of a divalent group of any of formulae (L-1) to (L-25), * is a bonding site to T, or a bonding site to a wavy line portion of a divalent group of any of Formulae (L-1) to (L-25), R A is H or a substituent, R N is H or a substituent, R si is H, alkyl, alkenyl or alkynyl; and m is an integer of 1-4 in formula (L-13), is an integer of 1-3 in formulae (L-14) and (L-15), is 1 or 2 in formulae (L-16) to (L-20) and is an integer of 1-6 in formula (L-22). * is a bonding site, T is H, halogen or cyano, and L is a single bond, a divalent group of any of the formulae (L-1) to (L-25), or a divalent group formed by bonding two or more divalent groups of any of (L-1) to (L-25): wherein the wavy line portion is a bonding site to a ring structure of formula , , and - , or a bonding site to * of a divalent group of any of formulae (L-1) to (L-25), * is a bonding site to T, or a bonding site to a wavy line portion of a divalent group of any of Formulae (L-1) to (L-25), R A is H or a substituent, R N is H or a substituent, R si is H, alkyl, alkenyl or alkynyl; and m is an integer of 1-4 in formula (L-13), is an integer of 1-3 in formulae (L-14) and (L-15), is 1 or 2 in formulae (L-16) to (L-20) and is an integer of 1-6 in formula (L-22). * is a bonding site to T, or a bonding site to a wavy line portion of a divalent group of any of Formulae (L-1) to (L-25), R A is H or a substituent, R N is H or a substituent, R si is H, alkyl, alkenyl or alkynyl; and m is an integer of 1-4 in formula (L-13), is an integer of 1-3 in formulae (L-14) and (L-15), is 1 or 2 in formulae (L-16) to (L-20) and is an integer of 1-6 in formula (L-22). <EOS>