Patent ID: 8902319

Claim:
An image signal processing apparatus provided in an image display apparatus for displaying an image, in accordance with image signals supplied to respective pixels, for every frame period corresponding to image signals for one (1) screen, the image signal processing apparatus comprising: a movement level detector section which detects a first movement level of a video image corresponding to a current frame period, by comparing (i) image signals corresponding to the current frame period with (ii) image signals corresponding to a previous frame period followed by the current frame period; a dividing section which divides one (1) frame period into a plurality of periods containing at least one sub-frame A period and at least one sub-frame B period; a first image processing section which carries out a smoothing process in the at least one sub-frame A period, in accordance with a second movement level, with respect to input image signals to be supplied to respective pixels; a second image processing section which carries out an emphasis process in the at least one sub-frame B period, in accordance with the second movement level, with respect to input image signals to be supplied to respective pixels; and a movement level finding section which finds the second movement level from (i) the first movement level of the video image corresponding to the current frame period and (ii) a previous movement level of a video image corresponding to the previous frame period.