Light-emitting substrate and light-emitting apparatus

A light-emitting substrate, comprising:

• a first conductive coil having a first end and a second end, the first conductive coil being used to couple to an external coil, so that the first conductive coil generates a first power signal;
• a light-emitting unit including a first electrode and a second electrode, the second electrode of the light-emitting unit being electrically connected to the first end of the first conductive coil;
• and
• a control circuit, a control terminal of the control circuit being electrically connected to the second end of the first conductive coil, an input terminal of the control circuit being electrically connected to a first power terminal, and an output end of the control circuit being electrically connected to the first electrode of the light-emitting unit;
• wherein a first voltage signal provided by the first power terminal is a direct current voltage signal;
• wherein the control circuit is configured to transmit the first voltage signal received at the first power terminal to the light-emitting unit under control of the first power signal from the first conductive coil, so that the light-emitting unit emits light.