Provided are a display panel, a display device, and a method for configuring a display panel. The display panel includes a display function layer, a support layer and a storage structure, where the support layer is disposed on one side of the display function layer and is in contact with the display function layer; the support layer includes a first cavity and is connected to the storage structure; and the storage structure is provided with a storage unit and is capable of moving a phase changing material from the storage unit into the first cavity or moving the phase changing material from the first cavity into the storage unit. A heater and a cooler are applied to switch the phase changing material between the solid and the liquid phases.