Display panel, display device, and control method therefor

A display panel, a display device, and a control method therefor are disclosed. The display panel includes a first substrate and a second substrate and a plurality of first pixels between the first substrate and the second substrate; wherein, at least one of the plurality of first pixels comprises: a first insulating layer on the first substrate; a second insulating layer on the second substrate; a first colored fluid layer contacted with and having the same hydrophilicity/hydrophobicity as that of a surface of the first insulating layer; a second colored fluid layer contacted with and having the same hydrophilicity/hydrophobicity as that of a surface of the second insulating layer; and a first transparent conductive fluid disposed between the first colored fluid layer and the second colored fluid layer and having a hydrophilicity/hydrophobicity contrary to those of the first colored fluid layer and the second colored fluid layer.