Display device and operating method thereof

Abstract

A display device according to an embodiment of the present disclosure may comprise a liquid crystal display panel; a plurality of backlight blocks configured to output a light to the liquid crystal display panel, wherein each backlight block includes one or more light sources and each light source is formed of KSF (Potassium fluorosilicate) phosphor; a light source driving circuit configured to generate a light source driving signal with a duty for controlling light output of each backlight block; and a controller configured to determine whether the display device is operating in an image output mode that inserts a black frame between image frames, and control the light source driving circuit to apply one or more backlight on signals to the light source in the insertion interval of the black frame when operating in the image output mode.

Dependencies are inferred from the claim text.