Patent ID: 8928639
Filing Date: 2015-01-06
Classification: G06F,G09G,Y02D

Abstract:
1. A display device, comprising: a display panel configured for display of a still image and a motion picture; a signal controller programmed to transmit control signals for driving the display panel; and a graphic processing unit transmitting input image data to the signal controller, wherein the signal controller includes a frame memory storing the input image data, and wherein the display panel is driven at a first frequency when the motion picture is displayed, and alternatingly driven at the first frequency and a second frequency when the still image is displayed, the second frequency being lower than the first frequency, a length of a second vertical blank period when the display panel is driven at the second frequency is larger than a length of a first vertical blank period when the display panel is driven at the first frequency, the signal controller providing a dummy data enable signal during the second vertical blank period, wherein one of the dummy data enable signals is provided during each frame period of the second vertical blank period.