Patent ID: 8860702

Claim:
A display device, comprising: a display panel structured for displaying a still image and for displaying a motion picture; a graphic processing unit (GPU) configured to provide first data signals representing changing image data of the motion picture when a motion picture mode is in effect; and a frame memory, operatively coupled to the GPU and configured for storing image data of the still image, wherein the display panel is subdivided into a plurality of Still Picture Refresh Groups (SPRGoP's), with each SPRGoP consisting of n pixels, wherein the display device is configured to be operated such that all n pixels of a Still Picture Refresh Group (SPRGoP) are charged in each of sequential frames when the motion picture mode is in effect, and wherein the display device is configured to be operated such that only a subset of the n pixels of the SPRGoP charged in each of sequential frames when the still picture mode is in effect.