Liquid-Crystal Display (LCD) televisions are a type of television which use a single backlight to illuminate a large array of liquid crystals. These liquid crystals actually make up the the screen of the television without the use of a glass panel or screen covering it. Althought not required, a break-in period of roughly 100 hours is recommended for most newer televisions of any kind to soften the brightness of the backlight, which will improve picture quality and reduce the chances of image retention, or “burn in.” Writer Bio

How to Break in an LCD TV - 27