A pixel circuit may include at least one light emitting circuit (100). One of the at least one light emitting circuit (100) may include an input sub-circuit (10), a latch sub-circuit (20), and an output sub-circuit (30). The input sub-circuit (10) may be configured to transmit a signal at a data voltage terminal (DATA) to the latch sub-circuit (20). The latch sub-circuit (20) may be configured to generate a control signal in accordance with the signal at the data voltage terminal (DATA) and store the control signal. The output sub-circuit (30) may be configured to transmit one of a signal at a first voltage terminal (V1) and a signal at a second voltage terminal (V2) to a light emitting unit (101) under control of the control signal.