A transparent OLED substrate, a transparent display panel, an array substrate, a display screen, and a display device. The transparent OLED substrate includes a base substrate, a driving circuit layer formed on the base substrate; and a light emitting functional film layer formed on the driving circuit layer. The driving circuit layer includes a plurality of first driving circuit units, the plurality of first driving circuit units each include a storage capacitor and a first transistor, the storage capacitor includes a first electrode plate and a second electrode plate. The driving circuit layer further includes a first conductive layer, a part of the first conductive layer is performed as the first electrode plate and other part is performed as a gate electrode of the first transistor.