A display including multiple OLED pixels is provided. Each OLED pixel includes and OLED, a driving transistor, a switch transistor, a first compensation block and a second compensation block. The driving transistor has a first terminal coupled to an anode of the OLED, a second terminal for receiving an operating voltage, and a control terminal for receiving a data voltage. The switch transistor has a first terminal coupled to the control terminal of the driving transistor, a second terminal for receiving the data voltage, and a control terminal for receiving a first control signal. The first compensation block is coupled to the first terminal and the control terminal of the driving transistor. The second compensation block is coupled to the first terminal of the driving transistor, and receives the first control signal and the data voltage.