Shift register, light-emitting driving circuit and display device

The invention provides a shift register, a light-emitting control circuit and a display device, and belongs to the technical field of display. The shift register of the present disclosure includes: an input sub-circuit configured to control a potential of a first node using an input signal in response to a clock signal; a first control sub-circuit configured to control a potential of a second node by using a first power supply signal in response to an input signal; or, in response to the control signal, controlling the potential of the second node by using the clock signal; a second control sub-circuit configured to control a potential of a third node by using a clock signal in response to a potential of a second node; or, in response to the potential of the first node, controlling the potential of the third node by using the first power supply signal; and the output sub-circuit is configured to output the second power supply signal through the signal output end in response to the potential of the first node, or output the first power supply signal through the signal output end in response to the potential of the third node.