Patent ID: 8044927

Claim:
A drive method for a display device that displays by causing charged particles to migrate by applying an electric field, comprising: a gray level drive step of causing the particles to migrate to, and be maintained within, a gray level state that is not a saturation level state, said saturation level state being a level at which migration of the particles is saturated; wherein: the gray level drive step changes a display image by causing the particles to migrate within said gray level state to produce a display color differences; the gray level drive step is initiated by an operation of an operating member held for a prescribed time to indicate a change display request; a display redrawing process follows the gray level drive step if operation of the operating member that indicates a change display request is held during one display redrawing process in the gray level drive step; and control goes from the gray level drive step to the saturation drive step when the operation of the operating member during the one display redrawing process in the gray level drive step is released.