Display device

A display device, comprising:

• an image signal processing unit configured to receive a primitive image signal having a first frequency and output a pX image signal (where p is a natural number) having a second frequency, the second frequency being p times that of the first frequency;
• and
• a display panel configured to display an image corresponding to the pX image signal,
• wherein the image signal processing unit comprises at least two image interpolation units,
• wherein each image interpolation unit is configured to receive the primitive image signal and output a qX image signal comprising an interpolated frame different from that of the other image interpolation unit (where q is a natural number smaller than the natural number p), the qX image signal having a third frequency between the first frequency and the second frequency and corresponding to two of a q/p interpolated frame, which is inserted between the (n−1)-th frame and the n-th frame, a (q−r)/p interpolated frame, which is inserted between the (n−1)-th frame and the q/p interpolated frame, and a (a+r)/p interpolated frame, which is inserted between the q/p interpolated frame and the n-th frame (where r is a natural number smaller than the natural number q), and
• wherein the image signal processing unit further comprises an image timing unit configured to:
• stagger the output timing of the image interpolation units such that the interpolated frames output from different image interpolation units are not output at the same time;
• and
• insert the interpolation frame from each of the interpolation units between successive frames of the primitive image signal at different timings such that successive interpolation frames in the pX image signal are output from different interpolation units.

A display device comprising:

• an image signal processing unit configured to receive a primitive image signal having a first frequency and outputting a 4× image signal having a second frequency, the second frequency being four times that of the first frequency;
• and
• a display panel configured to display an image corresponding to the 4× image signal,
• wherein:
• the primitive image signal comprises an (n−1)-th frame (where n is a natural number) and an n-th frame;
• the image signal processing unit comprises a first image interpolation unit, a second image interpolation unit, and an image signal timing unit;
• the first image interpolation unit is configured to receive the (n−1)-th frame and the n-th frame and output the (n−1)-th frame and a ½ interpolated frame, which is inserted between the (n−1)-th frame and the n-th frame;
• the second image interpolation unit is configured to receive the (n−1)-th frame and the n-th frame and output a ¼ interpolated frame, which is inserted between the (n−1)-th frame and the ½ interpolated frame, and a ¾ interpolated frame, which is inserted between the ½ interpolated frame and the n-th frame;
• the image signal timing unit is configured to receive the (n−1)-th frame and the ½ interpolated frame from the first image interpolation unit and the ¼ interpolated frame and the ¾ interpolated frame from the second image interpolation unit and sequentially transmit the total of four frames to the display panel as the 4× image signal;
• and
• each of the first image interpolation unit and the second image interpolation unit is configured to calculate a motion vector by comparing the (n−1)-th frame and the n-th frame, and calculate a position of an object in each of the ¼, ½, and ¾ interpolated frames based on the motion vector.