Personalization of the viewing angle in LED backlight displays

摘要

The present invention refers to a backlight module (101) for providing backlight to a display panel for displaying images or video with a single wide viewing angle, said backlight module being divided into a plurality of regions and comprising a backlight controlling device (102). In particular the present invention provides a backlight controlling device which changes the luminance level of said plurality of regions to reduce said single wide viewing angle.