85171068
Nov 8, 2010
May 19, 2015
Electronic films containing material which changes optical characteristics and color in the presence of an electric field, the electronic films being used in the manufacture of displays, screens, display device, and printing device
Electrical and Scientific ApparatusPlastic films containing material which changes optical characteristics and color in the presence of an electric field, the plastic films being used in the manufacture of displays, screens, display device, and printing devices
Rubber Goods