Light emitting substrate, display apparatus, and method of driving light emitting substrate

A method of driving a light emitting substrate;

• wherein the light emitting substrate comprises a plurality of light emitting controlling units arranged in M rows and N columns, M is an integer equal to or greater than one, N is an integer equal to or greater than one;
• wherein the method comprises:
• connecting a respective group of M number of groups of second voltage signal lines to a respective one of the M number of light emitting controlling units, the respective group of the M number of groups of second voltage signal lines comprising k number of second voltage signal lines, k is an integer equal to or greater than one;
• wherein the respective one of the plurality of light emitting controlling units comprises p number of sub-units, p is an integer equal to or greater than one;
• where the method further comprises:
• respectively connecting p number of first voltage branch signal lines to the p number of sub-units;
• respectively electrically connecting k number of second voltage branch signal lines to the k number of second voltage signal lines in the respective group of the M number of groups of second voltage signal lines;
• providing a second voltage signal to 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 the k number of second voltage branch signal lines;
• electrically connecting the p number of first voltage branch signal lines;
• and providing a first voltage signal to the p number of first voltage branch signal lines.