Patent ID: 9165518
Filing Date: 2015-10-20
Classification: G06T,G09G

Abstract:
1. A display device, comprising: a display panel configured to display a still image and a motion picture; a signal controller configured to control signals for driving the display panel; a graphics processing unit configured to transmit input image data to the signal controller; a light source unit configured to irradiate light to the display panel; and a light source driver configured to control signals to drive the light source unit, wherein the signal controller comprises a frame memory configured to store the input image data, and the display panel is driven at a first frequency when the motion picture is displayed and is driven at a second frequency that is lower than the first frequency when the still image is displayed, wherein the light source driver constantly maintains a driving ratio of the light source unit when the display panel is driven with the first frequency, and periodically changes the driving ratio of the light source unit when the display panel is driven with the second frequency.