Display panel, driving method and display device

The invention discloses a display panel, a driving method and a display device.The display panel comprises a first substrate, a second substrate and a liquid crystal layer, the first substrate and the second substrate are arranged in a box-to-box mode, the liquid crystal layer is arranged between the first substrate and the second substrate, a plurality of transmittance adjusting modules are arranged in the light emitting direction of the display panel, and the transmittance adjusting modules are arranged in the scanning line direction of the display panel. The display panel is divided into a plurality of display areas, and the plurality of transmittance adjusting modules are arranged in one-to-one correspondence with the plurality of display areas of the display panel; the transmittance adjusting module comprises a transmittance changing layer and a floating electrode which are arranged in a stacked mode, and the floating electrode is used for changing the transmittance of the transmittance changing layer. A