Display apparatus and its display driving chip and method

A display driving method, comprising:

• controlling a display panel and a gate driver by a display driving chip so that the display panel displays data in a plurality of frame periods of a full-partial refresh cycle, wherein a display area of the display panel comprises a high refresh rate display area and a low refresh rate display area that are adjacent to each other, and the full-partial refresh cycle comprises at least two full refresh frame periods and at least two partial refresh frame periods;
• controlling the gate driver by a controller of the display driving chip, so that both the high refresh rate display area and the low refresh rate display area are refreshed with the data in the full refresh frame periods, and the data is refreshed in the high refresh rate display area and the data is not refreshed in the low refresh rate display area in the partial refresh frame periods;
• controlling the gate driver by the controller so that in the full-partial refresh cycle, a boundary between the high refresh rate display area and the low refresh rate display area in a first partial refresh frame period is different from a boundary between the high refresh rate display area and the low refresh rate display area in a second partial refresh frame period;
• and
• balancing the number of times that each horizontal display line has a positive polarity and the number of times that each horizontal dispel line has a negative polarity in the full-partial refresh cycle.

A display apparatus, comprising:

• a display panel, wherein a display area of the display panel comprises a high refresh rate display area and a low refresh rate display area that are adjacent to each other, the display panel displays data in a plurality of frame periods of a full-partial refresh cycle, the the full-partial refresh cycle comprises at least two full refresh frame periods and at least two partial refresh frame periods;
• a gate driver coupled to a plurality of scan lines of the display panel, wherein the gate driver is configured to drive the plurality of scan lines of the display panel;
• and
• a display driving chip coupled to the gate driver, wherein the display driving chip controls the gate driver, so that both the high refresh rate display area and the low refresh rate display area are refreshed with the data in the full refresh frame periods, and the data is refreshed in the high refresh rate display area and the data is not refreshed in the low refresh rate display area in the partial refresh frame periods;
• wherein the display driving chip controls the gate driver so that in the full-partial refresh cycle, a boundary between the high refresh rate display area and the low refresh rate display area in a first partial refresh frame period is different from a boundary between the high refresh rate display area and the low refresh rate display area in a second partial refresh frame period, and
• the display driving chip balances the number of times that each horizontal display line has a positive polarity and the number of times that each horizontal display line has a negative polarity in the full-partial refresh cycle.