Driving backboard, driving method thereof and light-emitting device

The invention discloses a driving backboard, a driving method thereof and a light-emitting device, the driving backboard comprises an external circuit and a plurality of device control areas, each device control area comprises a plurality of cascaded driver circuits and a plurality of device units, and at least one driver circuit is electrically connected with at least two device units; the driver circuit comprises a logic control sub-circuit, a register and at least two output pins, and the register stores time delay data; the external circuit sends driving data to the plurality of device control areas at the same time; the logic control sub-circuit generates a driving control signal according to the driving data, and controls the moment when the driving control signal is sent to the output pin according to the time delay data, one of multiple pieces of time delay data stored in a register in one of the multiple driver circuits, and the other one of the multiple pieces of time delay data stored in a register