Liquid crystal display device and television receiver

A liquid crystal display device comprising:

• a liquid crystal panel configured to display images;
• a backlight unit configured to illuminate a rear surface of the liquid crystal panel and including a fluorescent tube two ends of which are driven and having one end for receiving a first dimming signal and another end for receiving a second dimming signal;
• a backlight unit control section configured to generate the first dimming signal and the second dimming signal and supply the first dimming signal and the second dimming signal to the fluorescent tube to control luminescence brightness of the backlight unit;
• and
• an image signal processing section configured to control the liquid crystal panel and the backlight unit based on an image signal and detect that the image on the liquid crystal panel is a black display image, wherein
• the backlight unit control section stops supply of one of the first dimming signal and the second dimming signal to the fluorescent tube in response to detection of the black display image.