Patent ID: 8896638

Claim:
A liquid crystal display device comprising: a liquid crystal panel; a backlight which illuminates the liquid crystal panel with light, the backlight being segmented into a plurality of areas; a control section which controls intensity of the light emitted from the backlight, the control section executing area control for controlling the light intensity of each area based on brightness of an image signal corresponding to the area; and a detection section which detects a proportion of image signals at a predetermined brightness level or less to image signals for one screen based on the image signals for one screen, wherein: (a) one of a first control mode and a second control mode can be selected by a user; (b) a first predetermined value and a second predetermined value are set corresponding to the first control mode and the second control mode, respectively; and (c) when the first control mode is selected, the control section stops the area control by setting the light intensity of each area of the backlight at a maximum value when the proportion detected by the detection section is the first predetermined value or less, and when the second control mode is selected, the control section stops the area control by setting the light intensity of each area of the backlight at a maximum value when the proportion detected by the detection section is the second predetermined value or less.