In recent years, flat TV sadly arisen, have liquid crystal tablet (LCD) , plasma flat (PDP) , light shows flat (DLP) , these flat TV had produced the level that gave resolution to achieve 1920*1080 to resemble element, accord with the requirement of HDTV completely. Be like 57 inches of LCD of 76 inches of PDP of LG, SamSung, the resolution of these flat TV all achieved the requirement of HDTV.