A liquid crystal display device includes a liquid crystal panel including first and second substrates facing each other, a liquid crystal layer between the first and second substrates, and a backlight unit having at least one optical film adjacent to the liquid crystal panel, a fluorescent lamp adjacent...http://www.google.ca/patents/US20060002143?utm_source=gb-gplus-sharePatent US20060002143 - Backlight unit of liquid crystal display device using light emitting diode and method of driving the same
