... screen display, any combination of shows, background40inch LCD VIDEO WALL ModelEFF1040 4X4PCSDimension911.1(W)×522.3 ... a color active activation liquid crystal display (LCD), that displays use of non-crystalline silicon TFT (Thin ... be used in home multimedia TFT-LCD TV in the flat-panel displays, AV audio-visual products, ... Differential Signal) interface (2 pixels / clock). 4*4-40 inch DID Video Wall