Generating corrected gray-scale data to improve display quality

1. A method of improving image display quality, comprising:

receiving first frame data, second frame data and third frame data of a pixel, wherein each of the first frame data, the second frame data and the third frame data comprises high gray-scale subframe data and low gray-scale subframe data;

generating corrected low gray-scale subframe data of the first frame data and corrected high gray-scale subframe data of the second frame data according to the first frame data, the second frame data and the third frame data; and

sequentially displaying the high gray-scale subframe data of the first frame data, the corrected low gray-scale subframe data of the first frame data, the corrected high gray-scale subframe data of the second frame data, the low gray-scale subframe data of the second frame data, the high gray-scale subframe data of the third frame data and the low gray-scale subframe data of the third frame data.

2. The method according to claim 1 , wherein a control voltage value corresponding to the corrected low gray-scale subframe data of the first frame data is greater than a control voltage value corresponding to the low gray-scale subframe data of the first frame data.

3. The method according to claim 1 , wherein a control voltage value corresponding to the corrected high gray-scale subframe data of the second frame data is less than a control voltage value corresponding to the high gray-scale subframe data of the second frame data.

4. The method according to claim 3 , wherein the control voltage value corresponding to the high gray-scale subframe data of the second frame data is a first over-drive voltage value, and the control voltage corresponding to the corrected high gray-scale is a second over-drive voltage value less than the first over-drive voltage value.

5. The method according to claim 1 , wherein the high gray-scale subframe data and the low gray-scale subframe data of the first frame data have the same polarity, and the high gray-scale subframe data and the low gray-scale subframe data of the second frame data have the same polarity.

6. The method according to claim 1 , wherein the first frame data and the second frame data have opposite polarities.

7. The method according to claim 1 , further comprising:

generating the corrected low gray-scale subframe data of the first frame data according to at least one of the low gray-scale subframe data of the second frame data and the low gray-scale subframe data of the third frame data.

8. The method according to claim 1 , further comprising:

generating the corrected high gray-scale subframe data of the second frame data according to the high gray-scale subframe data of the third frame data.

9. The method according to claim 1 , wherein each of the frames includes a first subframe and a second subframe, wherein generating the corrected low gray-scale subframe data comprises adjusting a control voltage to provide a displayed luminance of a first subframe of the second frame equal to 50% to 100% of a displayed luminance of the first subframe of the third frame, and wherein generating the corrected high gray-scale subframe data comprises adjusting a control voltage to provide a displayed luminance of the second subframe of the second frame equal to 90% to 110% of a displayed luminance of the second subframe of the third frame.

10. A method of improving image display quality, comprising:

receiving first frame data, second frame data and third frame data of a pixel, wherein each of the first frame data, the second frame data and the third frame data comprises low gray-scale subframe data and high gray-scale subframe data;

generating corrected low gray-scale subframe data of the second frame data and corrected high gray-scale subframe data of the second frame data according to the second frame data and the third frame data; and

sequentially displaying the low gray-scale subframe data of the first frame data, the high gray-scale subframe data of the first frame data, the corrected low gray-scale subframe data of the second frame data, the corrected high gray-scale subframe data of the second frame data, the low gray-scale subframe data of the third frame data, and the high gray-scale subframe data of the third frame data.

11. The method according to claim 10 , wherein a control voltage value corresponding to the corrected low gray-scale subframe data of the second frame data is greater than a control voltage value corresponding to the low gray-scale subframe data of the second frame data.

12. The method according to claim 10 , wherein a control voltage value corresponding to the corrected high gray-scale subframe data of the second frame data is less than a control voltage value corresponding to the high gray-scale subframe data of the second frame data.

13. The method of claim 12 , wherein the control voltage value corresponding to the high gray-scale subframe data of the second frame data is a first over-drive voltage values, and the control voltage corresponding to the corrected high gray-scale is a second over-drive voltage value less than the first over-drive voltage value.

14. The method according to claim 10 , wherein the high gray-scale subframe data and the low gray-scale subframe data of the first frame data have the same polarity, and the high gray-scale subframe data and the low gray-scale subframe data of the second frame data have the same polarity.

15. The method according to claim 10 , wherein the first frame data and the second frame data have opposite polarities.

16. The method according to claim 10 , further comprising:

generating the corrected low gray-scale subframe data of the second frame data according to at least one of the low gray-scale subframe data of the first frame data and the low gray-scale subframe data of the third frame data.

17. The method according to claim 10 , further comprising:

generating the corrected high gray-scale subframe data of the second frame data according to the high gray-scale subframe data of the third frame data.

18. The method according to claim 10 , wherein each of the frames includes a first subframe and a second subframe, wherein generating the corrected low gray-scale subframe data comprises adjusting a control voltage to provide a displayed luminance of a second subframe of the second frame equal to 50% to 100% of a displayed luminance of the first subframe of the third frame, and wherein generating the corrected high gray-scale subframe data comprises adjusting a control voltage to provide a displayed luminance of the first subframe of the third frame equal to 90% to 110% of a displayed luminance of a first subframe of a frame after the third frame.

19. A display apparatus comprising:

a liquid crystal display panel;

a backlight module; and

a timing controller to:

receive first frame data, second frame data, and third frame data of a pixel, wherein each of the first frame data and the second frame data comprises high gray-scale subframe data and low gray-scale subframe data;

generate corrected low gray-scale subframe data of the first frame data and corrected high gray-scale subframe data of the second frame data according to the first frame data, the second frame data, and the third frame data; and

sequentially output the high gray-scale subframe data of the first frame data, the corrected low gray-scale subframe data of the first frame data, the corrected high gray-scale subframe data of the second frame data, and the low gray-scale subframe data of the second frame data.

20. The apparatus according to claim 19 , wherein

the first frame data and the second frame data are for determining whether the low gray-scale subframe data of the first frame data and the high gray-scale subframe data of the second frame data have to be corrected; and

the third frame data is for determining the corrected low gray-scale subframe data of the first frame data and the corrected high gray-scale subframe data of the second frame data.

21. A display apparatus comprising:

a liquid crystal display panel;

a backlight module; and

a timing controller to:

receive first frame data, second frame data and third frame data of a pixel, wherein each of the first frame data, the second frame data and the third frame data comprises high gray-scale subframe data and low gray-scale subframe data;

generate corrected low gray-scale subframe data of the second frame data and corrected high gray-scale subframe data of the second frame data according to the first frame data, the second frame data, and the third frame data; and

sequentially output the low gray-scale subframe data of the first frame data, the high gray-scale subframe data of the first frame data, the corrected low gray-scale subframe data of the second frame data, the corrected high gray-scale subframe data of the second frame data, the low gray-scale subframe data of the third frame data, and the high gray-scale subframe data of the third frame data.

22. The apparatus according to claim 21 , wherein

the first frame data and the second frame data are for determining whether the low gray-scale subframe data of the second frame data and the high gray-scale subframe data of the second frame data have to be corrected; and

the third frame data is for determining the corrected low gray-scale subframe data of the second frame data and the corrected high gray-scale subframe data of the second frame data.