Display substrate, manufacturing method and display device

The invention provides a display substrate, a manufacturing method and a display device. The display substrate comprises a pixel circuit. The display substrate comprises a first conductive layer, a semiconductor layer and a first gate metal layer. The pixel circuit comprises a light-emitting element, a data write-in circuit and a driving circuit. The data write circuit includes a first transistor; the second grid electrode of the first transistor is contained in the first conductive layer, and the first grid electrode of the first transistor is contained in the first grid electrode metal layer; the active layer of the first transistor is contained in the semiconductor layer; a first electrode of the first transistor is electrically connected with a data line, and a second electrode of the first transistor is electrically connected with a first end of the driving circuit; the second end of the driving circuit is electrically connected with the light-emitting element, and the driving circuit is used for driving