| 摘要 |
<p>In an apparatus and method for controlling power of a display device, dynamic contrast range is widened by controlling respective contrasts of each LED in the backlight of the display device. The apparatus comprises a video signal analyzer, a liquid crystal display (LCD), vertical gate drivers and horizontal drain drivers, a backlight, a power controller, and a controller. By controlling each LED, clearer video signal, lower dissipating power, and lower heat can be achieved.</p> |
