Method of processing image data, method of displaying image using the same and display apparatus performing the method of displaying image

1. A method of processing image data, the method comprising:

read-outing first line data of an (n−1)-th frame in a memory during a first sub period of a horizontal period in which first line data of an n-th frame is input;

read-outing first line data of an (n−2)-th frame in the memory during a second sub period of the horizontal period;

read-outing second line data of the (n−1)-th frame in the memory during a third sub period of the horizontal period;

read-outing second line data of the (n−2)-th frame in the memory during a fourth sub period of the horizontal period;

writing first line data of the n-th frame in the memory during a fifth sub period of the horizontal period;

correcting the first line data of the (n−1)-th frame read-out during the first sub period based on the first line data of the (n−2)-th frame read-out during the second sub period; and

correcting the second line data of the (n−1)-th frame read-out during the third sub period based on the second line data of the (n−2)-th frame read-out during the fourth sub period,

wherein corrected first and second line data of the (n−1)-th frame are outputted during the horizontal period.

2. The method of claim 1 , further comprising:

compressing line data of a frame to store in the memory.

3. The method of claim 2 , further comprising:

read-outing first line data of an (n−1)-th frame in a memory during the first sub period;

read-outing compressed first line data of an (n−2)-th frame in the memory during the second sub period of the horizontal period;

read-outing second line data of the (n−1)-th frame in the memory during the third sub period of the horizontal period;

read-outing compressed second line data of the (n−2)-th frame in the memory during the fourth sub period of the horizontal period,

writing first line data of the n-th frame in the memory during the fifth sub period of the horizontal period;

correcting the first line data of the (n−1)-th frame read-out during the first sub period based on restored first line data of the (n−2)-th frame read-out during the second sub period; and

correcting the second line data of the (n−1)-th frame read-out during the third sub period based on restored second line data of the (n−2)-th frame read-out during the fourth sub period.

4. The method of claim 1 , wherein the frame included a left-eye frame including left-eye image data and a left-eye frame including left-eye image data.

5. The method of claim 4 , further comprising:

displaying a first left-eye image frame, a second left-eye image frame, a first right-eye image frame and a second right-eye image frame on the display panel with the high frequency.

6. The method of claim 4 , further comprising:

displaying a first left-eye image frame, a first black image frame, a first right-eye image frame and a second black image frame on the display panel with the high frequency.

7. A method of processing image data, the method comprising:

read-outing first line data of an (n−1)-th frame in a first memory during a first sub period of a first control period corresponding to a horizontal period in which first line data of an n-th frame is input;

read-outing second line data of an (n−2)-th frame in the first memory during a second sub period of the first control period;

writing first line data of the n-th frame in the first memory during a third sub period of the first control period;

compressing the first and second line data of an (n−1)-th frame read-out in a first memory to store in a second memory;

read-outing compressed first line data of an (n−2)-th frame in the second memory during a first sub period of a second control period corresponding to the horizontal period;

writing compressed first line data of the (n−1)-th frame in the second memory during a second sub period of the second control period,

read-outing compressed second line data of the (n−2)-th frame in the second memory during a third sub period of the second control period;

writing compressed second line data of the (n−1)-th frame in the second memory during a fourth sub period of the second control period;

correcting the first line of data of the (n−1)-th frame read-out during the first sub period based on restored first line data of the (n−2)-th frame read-out during the second sub period; and

restoring the compressed second line data of the (n−2)-th frame read-out during the fourth sub period.

8. A method of processing image data, the method comprising:

read-outing first line data of an (n−1)-th frame in a memory during a first sub period of a horizontal period in which first line data of an n-th frame is input;

read-outing corrected first line data of the (n−1)-th frame in the memory during a second sub period of the horizontal period;

read-outing corrected second line data of the (n−1)-th frame in the memory during a third sub period of the horizontal period;

writing first line data of an n-th frame in the memory during a fourth sub period of the horizontal period;

correcting the first line data of the n-th frame based on the first line data of the (n−1)-th frame read-out during the first sub period; and

writing corrected first line data of the n-th frame in the memory during a fifth sub period of the horizontal period,

wherein corrected first and second line data of the (n−1)-th frame are outputted during the horizontal period.

9. The method of claim 8 , further comprising:

compressing line data of a frame to store in the memory.

10. The method of claim 9 , further comprising: read-outing compressed first line data of an (n−1)-th frame in a memory during a first sub period of a horizontal period in which first line data of an n-th frame is input;

read-outing corrected first line data of the (n−1)-th frame in the memory during a second sub period of the horizontal period;

read-outing corrected second line data of the (n−1)-th frame in the memory during a third sub period of the horizontal period;

writing compressed first line data of an n-th frame in the memory during a fourth sub period of the horizontal period,

correcting the first line data of the n-th frame based on restored first line data of the (n−1)-th frame read-out during the first sub period; and

writing corrected first line data of the n-th frame in the memory during a fifth sub period of the horizontal period.

11. The method of claim 6 , wherein the frame includes a left-eye frame including left-eye image data and a left-eye frame including left-eye image data.

12. A method of processing image data, the method comprising:

compressing line data of an n-th frame;

read-outing compressed first line data of an (n−1)-th frame in a first memory during a first sub period of a first control period corresponding to a horizontal period in which first line data of an n-th frame is input;

writing compressed first line data of the n-th frame in the first memory during a second sub period of the first control period;

correcting first line data of the n-th frame based on restored first line data of the (n−1)-th frame read-out during the first sub period;

read-outing corrected first line data of the (n−1)-th frame in the memory during a second sub period of the horizontal period;

storing corrected line data in a second memory;

read-outing corrected first line data of the (n−1)-th frame in the second memory during a first sub period of a second control period corresponding to the horizontal period;

read-outing corrected second line data of the (n−1)-th frame in the second memory during a second sub period of the second control period; and

writing corrected first line data of the n-th frame in the second memory during a third sub period of the second control period.

13. A display apparatus comprising:

a display panel which displays an image;

a memory which stores line data of a frame with a low frequency;

a memory controlling part which controls the memory

a frame doubling part which repetitively outputs the line data of the frame with a high frequency;

a data correcting part which corrects the line data of the frame; and

a panel driving part which displays an image frame based on frame data on the display panel with the high frequency,

wherein the memory controlling part read-outs first line data of an (n−1)-th frame in a memory during a first sub period of a horizontal period in which first line data of an n-th frame is input, read-outs first line data of an (n−2)-th frame in the memory during a second sub period of the horizontal period, read-outs second line data of the (n−1)-th frame in the memory during a third sub period of the horizontal period, read-outs second line data of the (n−2)-th frame in the memory during a fourth sub period of the horizontal period and writes first line data of the n-th frame in the memory during a fifth sub period of the horizontal period, and

the data correcting part corrects the first line data of the (n−1)-th frame read-out during the first sub period based on the first line data of the (n−2)-th frame read-out during the second sub period, and corrects the second line data of the (n−1)-th frame read-out during the third sub period based on the second line data of the (n−2)-th frame read-out during the fourth sub period.

14. The display apparatus of claim 13 , wherein the frame includes a left-eye frame including left-eye image data and a left-eye frame including left-eye image data,

wherein the panel driving part which displays a first left-eye image frame, a second left-eye image frame, a first right-eye image frame and a second right-eye image frame on the display panel.

15. The display apparatus of claim 13 , further comprising:

a black inserting part which inserts a black image frame between a left-eye image frame and a right-eye image frame, and

the panel driving part which displays the left-eye image frame, the black image frame, the right-eye image frame and the black image frame on the display panel.

16. The display apparatus of claim 13 , further comprising:

a compressing part which compresses the line data of the frame to store in the memory,

wherein the memory controlling part read-outs first line data of an (n−1)-th frame in a memory during the first sub period, read-outs compressed first line data of an (n−2)-th frame in the memory during the second sub period of the horizontal period, read-outs second line data of the (n−1)-th frame in the memory during the third sub period of the horizontal period, read-outs compressed second line data of the (n−2)-th frame in the memory during the fourth sub period of the horizontal period and writes first line data of the n-th frame in the memory during the fifth sub period of the horizontal period, and

the data correcting part corrects the first line data of the (n−1)-th frame read-out during the first sub period based on restored first line data of the (n−2)-th frame read-out during the second sub period, and corrects the second line data of the (n−1)-th frame read-out during the third sub period based on restored second line data of the (n−2)-th frame read-out during the fourth sub period.

17. A display apparatus comprising:

a first memory which stores line data of a frame with a low frequency;

a frame doubling part which repetitively outputs the line data of the frame with a high frequency;

a data correcting part which corrects the line data of the frame;

a panel driving part which displays an image frame based on the line data of the frame with the high frequency;

a second memory; and

a compressing/controlling part which compresses the line data of the frame to store in the second memory,

wherein the first memory controlling part read-outs first line data of an (n−1)-th frame in a memory during a first sub period of a horizontal period in which first line data of an n-th frame is input, read-outs corrected first line data of the (n−1)-th frame in the memory during a second sub period of the horizontal period, read-outs corrected second line data of the (n−1)-th frame in the memory during a third sub period of the horizontal period and writes first line data of an n-th frame in the memory during a fourth sub period of the horizontal period,

the data correcting part corrects the first line data of the n-th frame based on the first line data of the (n−1)-th frame read-out during the first sub period, and

the compressing/controlling part writes corrected first line data of the n-th frame in the memory during a fifth sub period of the horizontal period.