Pixel circuit and display device

The embodiment of the invention discloses a pixel circuit and a display device. The pixel circuit comprises a data writing module, a threshold compensation module, a storage module, a driving module,a light emitting control module, a light emitting module and an electric leakage suppression module, wherein the driving module is used for driving the light-emitting module to emit light according tothe data voltage stored in the storage module; the threshold compensation module comprises a double-gate transistor; the electric leakage suppression module is connected to a double-gate node, the double-gate node is located between two gates of the double-gate transistor, and the electric leakage suppression module is used for being connected or disconnected according to signals of the control end of the electric leakage suppression module and keeping the potential of the double-gate node at a set voltage value; and the control end of the electric leakage suppression module is connected withthe control end of the lig