Patent ID: 8242971

Claim:
A method of driving a display device that comprises: a pixel portion that displays at least one of a first screen and a second screen; a first signal line that inputs a signal for the first screen to the pixel portion; a first scanning line provided so as to intersect the first signal line; a second signal line that inputs a signal for the second screen to the pixel portion; a second scanning line provided so as to intersect the second signal line; means for selecting one of the first scanning line and the second scanning line; a third signal line that inputs a signal to the means for selecting; a third scanning line provided so as to intersect the third signal line; plural first memories connected with the second signal line; a first control circuit that controls the plural first memories; plural second memories connected with the pixel portion; and a second control circuit that controls the plural second memories, wherein a frame period is provided during which the first to third scanning lines are selected and which includes first to third writing periods for performing writing, wherein the second screen is displayed from an A-th column to a B-th column in the pixel portion, wherein the first control circuit transfers the signal for the second screen from the plural first memories to the plural second memories, and wherein the second control circuit selects the plural second memories in the A-th column to the B-th column.