LCD is winning the race to be the dominant display technology for HDTV. According to DisplaySearch, in 2007, the market for LCD (liquid crystal diode) TVs was estimated at $ 27.4 billion euros. LCD TV shipments rose faster than expected 52% year on year in the second quarter of 2008 to nearly 7.5 million units (79.8% of total sales of HDTV).

The LCD screen on an LCD HDTV is a selective light filters. There is no issue in itselfLight, but selectively filters light through the display from behind. Most HDTVs have either offer a single sheet of luminescent plastic or side lighting with fluorescent lamps for the backlight. Both techniques are difficult to control.