A light emitting substrate, comprising a plurality of light emitting controlling units arranged in M rows and N columns, wherein M is an integer equal to or greater than one, N is an integer equal to or greater than one, and at least one of M and N is greater than one; wherein a respective column of the N columns of light emitting controlling units comprises: M number of first voltage signal lines (P1,...PM) respectively connected to M number of light emitting controlling units; and M number of groups of second voltage signal lines (G1,...GM), wherein a respective group of the M number of groups of second voltage signal lines comprises k number of second voltage signal lines (N1-1,...Nk-1), k is an integer greater than one, and the respective group of the M number of groups of second voltage signal lines is connected to a respective one of the M number of light emitting controlling units by the k number of second voltage signal lines,; wherein the respective one of the plurality of light emitting controlling units comprises: p number of sub-units (SU1,...SUp), p is an integer greater than one; p number of first voltage branch signal lines (Pb1,...Pbp) respectively connected to the p number of sub-units; p number of groups of second voltage branch signal lines, a respective group of the p number of groups of second voltage branch signal lines comprising k number of second voltage branch signal lines (Nb1-1,...Nb1-k); wherein the p number of first voltage branch signal lines are electrically connected to a respective one of the M number of first voltage signal lines; and the k number of second voltage branch signal lines are respectively electrically connected to the k number of second voltage signal lines in the respective group of the M number of groups of second voltage signal lines. wherein a respective column of the N columns of light emitting controlling units comprises: M number of first voltage signal lines (P1,...PM) respectively connected to M number of light emitting controlling units; and M number of groups of second voltage signal lines (G1,...GM), wherein a respective group of the M number of groups of second voltage signal lines comprises k number of second voltage signal lines (N1-1,...Nk-1), k is an integer greater than one, and the respective group of the M number of groups of second voltage signal lines is connected to a respective one of the M number of light emitting controlling units by the k number of second voltage signal lines,; wherein the respective one of the plurality of light emitting controlling units comprises: p number of sub-units (SU1,...SUp), p is an integer greater than one; p number of first voltage branch signal lines (Pb1,...Pbp) respectively connected to the p number of sub-units; p number of groups of second voltage branch signal lines, a respective group of the p number of groups of second voltage branch signal lines comprising k number of second voltage branch signal lines (Nb1-1,...Nb1-k); wherein the p number of first voltage branch signal lines are electrically connected to a respective one of the M number of first voltage signal lines; and the k number of second voltage branch signal lines are respectively electrically connected to the k number of second voltage signal lines in the respective group of the M number of groups of second voltage signal lines. p number of sub-units (SU1,...SUp), p is an integer greater than one; p number of first voltage branch signal lines (Pb1,...Pbp) respectively connected to the p number of sub-units; p number of groups of second voltage branch signal lines, a respective group of the p number of groups of second voltage branch signal lines comprising k number of second voltage branch signal lines (Nb1-1,...Nb1-k); wherein the p number of first voltage branch signal lines are electrically connected to a respective one of the M number of first voltage signal lines; and the k number of second voltage branch signal lines are respectively electrically connected to the k number of second voltage signal lines in the respective group of the M number of groups of second voltage signal lines.