Method for driving display panel, display panel, and display apparatus

1 . A method for driving a display panel, wherein

in a first mode, a driving process of the display panel comprises a first stage, a second stage and a third stage, wherein in the first stage, a first screen is displayed at a first frequency; in at least a part of the second stage sequential to the first stage, the first screen is displayed at a frequency greater than the first frequency; and in the third stage, a second screen is displayed at the first frequency,

the second stage comprises a third sub-stage and a fourth sub-stage, and the third sub-stage is located between the first stage and the fourth sub-stage, and

the first screen is displayed in the third sub-stage and the fourth sub-stage, and a frequency of the third sub-stage is greater than the first frequency and is smaller than a frequency of the fourth sub-stage.

2 . The method according to claim 1 , wherein

the second stage comprises a first sub-stage and a second sub-stage;

in the first sub-stage, the first screen is displayed at a frequency greater than the first frequency; and

in the second sub-stage, the second screen is displayed at a frequency greater than the first frequency.

3 . The method according to claim 2 , wherein

a frequency of the second sub-stage is smaller than a frequency of the first sub-stage.

4 . The method according to claim 3 , wherein

a difference between the frequency of the second sub-stage and the frequency of the first sub-stage is defined as a first difference, a difference between the frequency of the second sub-stage and the first frequency is defined as a second difference, and the first difference is equal to the second difference.

5 . The method according to claim 2 , wherein

the first sub-stage has a same frequency as the second sub-stage.

6 . The method according to claim 2 , wherein

the display panel displays according to a mapping relationship constructed by grayscale values and data voltages, wherein the first frequency and a frequency of the second sub-stage correspond to different mapping relationships, and a same grayscale value corresponds to different data voltages in different mapping relationships.

7 . The method according to claim 2 , wherein

duty ratios of light-emitting control signals corresponding to the first frequency and a frequency of the second sub-stage are different, and the duty ratio denotes a proportion of a light-emitting active level in a light-emitting period.

8 . The method according to claim 7 , wherein

the display panel has a first driving period at the first frequency, the first driving period includes a writing frame and a holding frame, the display panel has a second driving period at the frequency of the second sub-stage, and the second driving period at least comprises a writing frame; and

wherein a duty ratio of the light-emitting control signal in the first driving period is smaller than a duty ratio of the light-emitting control signal in the second driving period.

9 . The method according to claim 8 , wherein

the display panel has the first driving period at the first frequency, the display panel has the second driving period at the frequency of the second sub-stage, and a charging duration in the first driving period is greater than a charging duration in the second driving period; and

wherein the duty ratio of the light-emitting control signal in the second driving period is smaller than the duty ratio of the light-emitting control signal in the first driving period.

10 . The method according to claim 1 , wherein

the first screen is displayed in the second stage at a constant frequency.

11 . The method according to claim 1 , wherein

the second stage comprises a third sub-stage and a fourth sub-stage, and the third sub-stage is located between the first stage and the fourth sub-stage; and

the first screen is displayed in the third sub-stage and the fourth sub-stage, and a frequency of the fourth sub-stage is greater than the first frequency and is smaller than a frequency of the third sub-stage.

12 . The method according to claim 1 , wherein

the second stage comprises x frames, where 1≤x≤15.

13 . A display panel, driven by a method, wherein

in a first mode, a driving process of the display panel comprises a first stage, a second stage and a third stage, wherein in the first stage, a first screen is displayed at a first frequency; in at least a part of the second stage sequential to the first stage, the first screen is displayed at a frequency greater than the first frequency; and in the third stage, a second screen is displayed at the first frequency,

the second stage comprises a third sub-stage and a fourth sub-stage, and the third sub-stage is located between the first stage and the fourth sub-stage, and

the first screen is displayed in the third sub-stage and the fourth sub-stage, and a frequency of the third sub-stage is greater than the first frequency and is smaller than a frequency of the fourth sub-stage.

14 . A display apparatus, comprising a display panel driven by a method, wherein in a first mode, a driving process of the display panel comprises a first stage, a second stage and a third stage, wherein in the first stage, a first screen is displayed at a first frequency; in at least a part of the second stage sequential to the first stage, the first screen is displayed at a frequency greater than the first frequency; and in the third stage, a second screen is displayed at the first frequency, wherein

the second stage comprises a third sub-stage and a fourth sub-stage, and the third sub-stage is located between the first stage and the fourth sub-stage, and

the first screen is displayed in the third sub-stage and the fourth sub-stage, and a frequency of the third sub-stage is greater than the first frequency and is smaller than a frequency of the fourth sub-stage.