抄録
Since the liquid-crystal material was discovered, one century has already passed, and a quarter of a century or so has gone by since it was put into first practical use for "Displays". In recent years, liquid-crystal displays (LCDs) are widely used in various information appliances, and they play an important role as an "Information Window" of digital network. However, the big paradigm shift is now arising in such LCD field because of drastic evolution in both digital network infrastructure and communication technologies.