A display panel is disclosed. The display panel includes: a base substrate; a gate electrode on the base substrate; an active layer spaced apart from the gate electrode by a gate insulating layer; a light emitting layer disposed on a side of the active layer away from the gate electrode; and a source electrode and a drain electrode, configured in such a way that a current is allowed to flow through the light emitting layer via the active layer, wherein an energy level transition layer is provided between the active layer and the light emitting layer.