Display Device and Driving Method Thereof

摘要

A display device (1) including a display panel (100) which displays a video signal is disclosed. The display device includes a panel driver (120, 130) configured to drive the display panel; a light source (160) configured to provide light to the display panel; a light source driver (150) configured to control the brightness of the light source in accordance with a pulse width modulation dimming signal (BDS) in synchronization with a vertical sync signal (V_sync); and a controller (140) configured to receive the vertical sync signal, determine whether the frequency of the vertical sync signal is normal or abnormal, and provide the dimming signal to the light source driver (150) in non-synchronization with the vertical sync signal during at least one frame, in response to the frequency of the vertical sync signal being abnormal.