A display panel includes a pixel circuit and a light-emitting element. The pixel circuit includes a data write device, a drive device and a bias adjustment device. The display panel further includes a bias adjustment signal line, a reset signal line or an initialization signal line. At least one side frame of the display panel includes a bias adjustment signal bus, a reset signal bus or an initialization signal bus. The bias adjustment signal bus is disposed in a first side frame of the display panel, the reset signal bus or the initialization signal bus is disposed in a second side frame of the display panel; and the first side frame is adjacent to the second side frame, or is opposite to the second side frame, or, the bias adjustment signal bus is disposed in a same side frame with the reset signal bus or the initialization signal bus.