A polyimide precursor comprising at least one repeating unit represented by the following chemical formula (5): in which A3 is a divalent group of an aromatic diamine or an aliphatic diamine, from which amino groups have been removed; and X3 and Y3 are each independently hydrogen, an alkyl group having 1 to 6 carbon atoms, or an alkylsilyl group having 3 to 9 carbon atoms, and/or at least one repeating unit represented by the following chemical formula (6): in which A3 is a divalent group of an aromatic diamine or an aliphatic diamine, from which amino groups have been removed; and X4 and Y4 are each independently hydrogen, an alkyl group having 1 to 6 carbon atoms, or an alkylsilyl group having 3 to 9 carbon atoms.