Pixel circuit and driving method thereof, display device and driving method thereof

A driving method of a display device, wherein the display device comprises a plurality of sub-pixels, and each of the sub-pixels comprises a pixel circuit;

• the pixel circuit comprises a drive circuit, a reset circuit, and a sensing circuit;
• the drive circuit comprises a control terminal, a first terminal, and a second terminal, the control terminal of the drive circuit is configured to receive a data voltage, the first terminal of the drive circuit is configured to receive a first voltage, and the second terminal of the drive circuit is configured to be electrically connected to a light-emitting element;
• the reset circuit is electrically connected to the second terminal of the drive circuit, and is configured to reset the second terminal of the drive circuit in response to a first scanning signal;
• the sensing circuit is electrically connected to the second terminal of the drive circuit, and is configured to connect the second terminal of the drive circuit to a sensing signal line in response to a second scanning signal, the second scanning signal being different from the first scanning signal;
• the plurality of sub-pixels are arranged in an array;
• the driving method comprises:
• writing a corresponding display data voltage to a sub-pixel in an (n−1)-th row, and simultaneously acquiring a sensing signal corresponding to a sub-pixel in an n-th row, wherein n is an integer greater than 1;
• and
• in a period of one frame of display image, the driving method comprises:
• writing a corresponding reference data voltage to a control terminal of a drive circuit of the sub-pixel in the n-th row, and resetting a second terminal of the drive circuit of the sub-pixel in the n-th row;
• writing the corresponding display data voltage to a control terminal of a drive circuit of the sub-pixel in the (n−1)-th row, resetting a second terminal of the drive circuit of the sub-pixel in the (n−1)-th row, and simultaneously acquiring a first sensing signal corresponding to the sub-pixel in the n-th row;
• acquiring a corresponding display data voltage of the sub-pixel in the n-th row according to the first sensing signal, simultaneously writing a corresponding reference data voltage to a control terminal of a drive circuit of a sub-pixel in an (n+1)-th row, and resetting a second terminal of the drive circuit of the sub-pixel in the (n+1)-th row;
• and
• writing the corresponding display data voltage to the control terminal of the drive circuit of the sub-pixel in the n-th row, resetting the second terminal of the drive circuit of the sub-pixel in the n-th row, and simultaneously acquiring a second sensing signal corresponding to the sub-pixel in the (n+1)-th row.