Manufacturing method of light-emitting lamp panel, light-emitting lamp panel and display device

The invention provides a manufacturing method of a light-emitting lamp panel, the light-emitting lamp panel and a display device.The manufacturing method of the light-emitting lamp panel comprises the steps that a printing screen is provided, the printing screen is provided with an energy field unit, and the energy field unit is used for providing an energy field; providing a lamp panel substrate, wherein the lamp panel substrate comprises a strip-shaped bonding pad group; the printing screen plate and the lamp panel substrate are aligned; a colloidal solution is formed on the lamp panel substrate, a plurality of light-emitting elements are doped in the colloidal solution, and each light-emitting element comprises an electrode set; and applying an energy field to the colloidal solution through the energy field unit, so that the electrode group of the light-emitting element rotates directionally under the action of the energy field and is bonded on the strip-shaped bonding pad group in an aligned manner. The m