Patent ID: 7928948

Claim:
A matrix addressing method for alternately driving pixels arranged in matrix, wherein: a plurality of row electrodes extending in a horizontal direction of a display screen are made to be selectively active for each horizontal scanning period of images to be displayed; a plurality of column electrodes extending in a vertical direction of the display screen are supplied with respective pixel voltages that are responsive to the image and correspond to the horizontal scanning period while the pixel voltages have polarities alternating for each frame period of the images; the pixel voltages have polarities alternating in the vertical direction spatially in a display area within the frame period; the frame period of the images is formed by successively sequencing on a time series a plurality of block periods, the block periods each being composed of a first half block and a second half block, the first half block being a period for successively sequencing on a time series application timings of the pixel voltages for one or more row electrodes to be provided with a first polarity, the second half block being a period for successively sequencing on a time series application timings of the pixel voltages for one or more row electrodes to be provided with a second, opposite polarity; and a corresponding row electrode is made to be active in synchronization with each of the application timings of the pixel voltages for the row electrodes, wherein ones of even-numbered row electrodes and odd-numbered row electrodes in arrangement order on the display screen are selected in the first half block; the others spatially adjoining the ones are selected in the second half block; a row electrode selecting order in the first half block and a row electrode selecting order in the second half block during one frame period are made differed from orders in corresponding first and second half blocks during the other frame period, respectively, so as to mitigate block-period-base visual artifact, wherein a row electrode selecting order is reversed between the first and second half blocks in one frame period and the corresponding first and second half blocks in the other frame period, and wherein in at least two frame periods, there are a block period in which each of row electrode selecting orders in the first and second half blocks is ascending order and a block period which corresponds to said block period and in which each of row electrode selecting orders in the first and second half blocks is descending order.