A backlight assembly includes a light guide plate for emitting a light in two directions and a brightness control member for controlling the brightness ratio of the light emitting in the two directions. An LCD apparatus including first and second LCD panels, displays images in the two directions, with...http://www.google.ca/patents/US7237939?utm_source=gb-gplus-sharePatent US7237939 - Backlight assembly and liquid crystal display apparatus using the same