Array substrate, method for driving pixel circuit, display panel and display apparatus

A method for driving a pixel circuit, wherein the pixel circuit includes a driving transistor, a first light-emitting control transistor, and a second light-emitting control transistor;

• a gate of the first light-emitting control transistor is electrically connected to a first light-emitting control signal line, a first electrode of the first light-emitting control transistor is electrically connected to a first voltage signal line, and a second electrode of the first light-emitting control transistor is electrically connected to a first electrode of the driving transistor;
• a gate of the second light-emitting control transistor is electrically connected to a second light-emitting control signal line, a first electrode of the second light-emitting control transistor is electrically connected to a second electrode of the driving transistor, and a second electrode of the second light-emitting control transistor is electrically connected to a light-emitting device;
• the first light-emitting control signal line is configured to transmit a first pulse width modulation signal, and the second light-emitting control signal line is configured to transmit a second pulse width modulation signal;
• a display cycle includes a light-emitting phase;
• and the method comprises that:
• in the light-emitting phase, the first pulse width modulation signal has a first operating level period, the second pulse width modulation signal has a second operating level period, the first operating level period is different from the second operating level period, and the first operating level period partially overlaps with the second operating level period, wherein
• an amplitude of the first pulse width modulation signal is the same as an amplitude of the second pulse width modulation signal, a frequency of the first pulse width modulation signal is the same as a frequency of the second pulse width modulation signal, and a duty cycle of the first pulse width modulation signal is the same as a duty cycle of the second pulse width modulation signal;
• and
• a start time of the first operating level period is later than a start time of the second operating level period, and an end time of the first operating level period is later than an end time of the second operating level period.

A method for driving a pixel circuit, wherein the pixel circuit includes a driving transistor, a first light-emitting control transistor, and a second light-emitting control transistor;

• a gate of the first light-emitting control transistor is electrically connected to a first light-emitting control signal line, a first electrode of the first light-emitting control transistor is electrically connected to a first voltage signal line, and a second electrode of the first light-emitting control transistor is electrically connected to a first electrode of the driving transistor;
• a gate of the second light-emitting control transistor is electrically connected to a second light-emitting control signal line, a first electrode of the second light-emitting control transistor is electrically connected to a second electrode of the driving transistor, and a second electrode of the second light-emitting control transistor is electrically connected to a light-emitting device;
• the first light-emitting control signal line is configured to transmit a first pulse width modulation signal, and the second light-emitting control signal line is configured to transmit a second pulse width modulation signal;
• a display cycle includes a light-emitting phase;
• and the method comprises that:
• in the light-emitting phase, the first pulse width modulation signal has a first operating level period, the second pulse width modulation signal has a second operating level period, the first operating level period is different from the second operating level period, and the first operating level period partially overlaps with the second operating level period, wherein
• an amplitude of the first pulse width modulation signal is the same as an amplitude of the second pulse width modulation signal, a frequency of the first pulse width modulation signal is the same as a frequency of the second pulse width modulation signal, and a duty cycle of the first pulse width modulation signal is the same as a duty cycle of the second pulse width modulation signal;
• and a start time of the first operating level period is earlier than a start time of the second operating level period, and an end time of the first operating level period is earlier than an end time of the second operating level period;
• or
• the first operating level period is within the second operating level period, a start time of the first operating level period and a start time of the second operating level period are spaced apart, and an end time of the first operating level period and an end time of the second operating level period are spaced apart.