Method for adjusting white balance of pixel, display panel and computer readable storage medium

1. A method for adjusting a white balance of a pixel, comprising the following operations:

determining a proportion of each primary light corresponding to a pixel to be displayed in a current frame display picture, and determining a picture type of the current frame display picture;

determining a target refresh rate according to the picture type;

determining a proportion correction value corresponding to each primary light, and determining a correction parameter corresponding to each primary light according to the target refresh rate; and

correcting the proportion correction value of each primary light according to the correction parameter of each primary light to obtain the target proportion correction value, and determining a target proportion of each primary light according to the target proportion correction value and a value of the proportion to adjust the white balance of the pixel to be displayed.

2. The method of claim 1 , wherein the operation of determining a proportion correction value corresponding to each primary light comprises:

determining a look-up table of the proportion and the proportion correction value of each primary light; and

determining the proportion correction value of each primary light in the look-up table according to the proportion of each primary light corresponding to the pixel to be displayed.

3. The method of claim 1 , wherein the operation of determining a correction parameter corresponding to each primary light according to the target refresh rate comprises:

obtaining a preset refresh rate; and

determining the correction parameter corresponding to each primary light according to a difference between the target refresh rate and the preset refresh rate.

4. The method of claim 1 , wherein when adjusting the white balance of the pixel to be displayed, proportions of blue light and red light corresponding to the pixel to be displayed are adjusted.

5. The method of claim 1 , wherein the picture type includes a dynamic picture and a static picture, the operation of determining a target refresh rate according to the picture type comprises:

obtaining a preset refresh rate;

increasing the preset refresh rate to obtain the target refresh rate when the picture type is the dynamic picture; and

reducing the preset refresh rate to obtain the target refresh rate when the picture type is the static picture.

6. The method of claim 1 , wherein the operation of determining a picture type of the current frame display picture comprises:

obtaining a previous frame display picture;

determining a second pixel of the previous frame display picture corresponding to a first pixel of the current frame display picture, and comparing a pixel value of the first pixel with a pixel value of the second pixel;

determining that the picture type of the current frame display picture is a static picture when a number of first pixels whose pixel values are same as pixel values of second pixels corresponding to the first pixels is greater than a first preset number; and

determining that the picture type of the current frame display picture is a dynamic picture when a number of first pixels whose pixel values are different from pixel values of second pixels corresponding to the first pixels is greater than a second preset number.

7. The method of claim 1 , wherein after the operation of determining a target proportion of each primary light according to the target proportion correction value and a value of the proportion to adjust the white balance of the pixel to be displayed, the method further comprises:

determining a display time point of a next frame display picture according to the target refresh rate after the white balance of the pixel to be displayed is adjusted, and after each pixel on the current frame display picture is displayed on a display panel; and

taking the next frame display picture as the current frame display picture when the display time point arrives, to perform the operation of determining a proportion of each primary light corresponding to a pixel to be displayed in a current frame display picture.

8. A display device, wherein the display device comprises a memory and at least one processor, the memory stores computer-executable instructions executed by the at least one processor, and when the computer-executable instructions are executed by the at least one processor, the at least one processor performs the following operations:

determining a proportion of each primary light corresponding to a pixel to be displayed in a current frame display picture, and determining a picture type of the current frame display picture;

determining a target refresh rate according to the picture type;

determining a proportion correction value corresponding to each primary light, and determining a correction parameter corresponding to each primary light according to the target refresh rate; and

correcting the proportion correction value of each primary light according to the correction parameter of each primary light to obtain the target proportion correction value, and determining a target proportion of each primary light according to the target proportion correction value and a value of the proportion to adjust the white balance of the pixel to be displayed.

9. The display device of claim 8 , wherein the operation of determining a proportion correction value corresponding to each primary light comprises:

determining a look-up table of the proportion and the proportion correction value of each primary light; and

determining the proportion correction value of each primary light in the look-up table according to the proportion of each primary light corresponding to the pixel to be displayed.

10. The display device of claim 8 , wherein the operation of determining a correction parameter corresponding to each primary light according to the target refresh rate comprises:

obtaining a preset refresh rate; and

determining the correction parameter corresponding to each primary light according to a difference between the target refresh rate and the preset refresh rate.

11. The display device of claim 8 , wherein when adjusting the white balance of the pixel to be displayed, proportions of blue light and red light corresponding to the pixel to be displayed are adjusted.

12. The display device of claim 8 , wherein the picture type includes a dynamic picture and a static picture, the operation of determining a target refresh rate according to the picture type comprises:

obtaining a preset refresh rate;

increasing the preset refresh rate to obtain the target refresh rate when the picture type is the dynamic picture; and

reducing the preset refresh rate to obtain the target refresh rate when the picture type is the static picture.

13. A non-transitory computer readable storage medium, wherein the non-transitory computer readable storage medium comprises computer-executable instructions executed by at least one processor, and when the computer-executable instructions are executed by the at least one processor, the at least one processor performs the following operations: determining a proportion of each primary light corresponding to a pixel to be displayed in a current frame display picture, and determining a picture type of the current frame display picture; determining a target refresh rate according to the picture type; determining a proportion correction value corresponding to each primary light, and determining a correction parameter corresponding to each primary light according to the target refresh rate; and correcting the proportion correction value of each primary light according to the correction parameter of each primary light to obtain the target proportion correction value, and determining a target proportion correction value of each primary light according to the target refresh rate, determining a target proportion of each primary light according to the target proportion correction value and a value of the proportion to adjust the white balance of the pixel to be displayed.

14. The computer readable storage medium of claim 13 , wherein the operation of determining a proportion correction value corresponding to each primary light comprises:

determining a look-up table of the proportion and the proportion correction value of each primary light; and

determining the proportion correction value of each primary light in the look-up table according to the proportion of each primary light corresponding to the pixel to be displayed.

15. The computer readable storage medium of claim 13 , wherein the operation of determining a correction parameter corresponding to each primary light according to the target refresh rate comprises:

obtaining a preset refresh rate; and

determining the correction parameter corresponding to each primary light according to a difference between the target refresh rate and the preset refresh rate.

16. The computer readable storage medium of claim 13 , wherein when adjusting the white balance of the pixel to be displayed, proportions of blue light and red light corresponding to the pixel to be displayed are adjusted.

17. The computer readable storage medium of claim 13 , wherein the picture type includes a dynamic picture and a static picture, the operation of determining a target refresh rate according to the picture type comprises:

obtaining a preset refresh rate;

increasing the preset refresh rate to obtain the target refresh rate when the picture type is the dynamic picture; and

reducing the preset refresh rate to obtain the target refresh rate when the picture type is the static picture.