Abstract :
Since the beginnings of television broadcasting, the conventional cathode-ray tube has held a dominant position as the display device, and for almost as long, the emergence of a flat display has always been just 5 years off. In recent times, the thin display has become more of a reality and the cathode-ray tube is at last being challenged by alternatives. In fact, a number of ideas for thin CRTs have recently emerged, but there are several other display technologies, some of which can be used for television. One idea, in particular, is making headway in providing good picture quality for television, and that is the liquid-crystal display