Patent ID: 8159478

Claim:
A display device comprising: a display panel having a plurality of pixels; and a panel controller for displaying in a predetermined digital gray scale, the panel controller comprising: a first video memory; a second video memory; a format converter portion; and a display control portion, wherein the plurality of pixels includes a first pixel region and a second pixel region, wherein the format converter portion is configured to convert first video data corresponding to the first pixel region into second video data and configured to write the second video data into the first video memory in a first frame period, wherein the format converter portion is configured to convert third video data corresponding to the second pixel region into fourth video data and configured to write the fourth video data into the second video memory in a second frame period, wherein the display control portion is configured to read out the second video data from the first video memory and configured to transmit the second video data to the display panel in the second frame period, and wherein video data of one frame comprises the second video data and the fourth video data.