Patent attributes
Provided are a backlight unit and a display device having the same. The display device according to an embodiment includes a display panel and a backlight unit for supplying light to the display panel. The backlight unit according to an embodiment includes a light guide plate, a light source disposed at a side of the light guide plate, a sensor sensing brightness or color temperature of natural light, an adaptive controller generating a voltage level signal to compensate for the brightness or color temperature of natural light, and a light source driver supplying a voltage corresponding to the voltage level signal to the light source. Thus, although the brightness or the color temperature of the natural light varies, uniform brightness or color temperature can be achieved by adjusting the brightness or the color temperature of the artificial light generated from the light source, thus displaying high-definition and high-quality images.
