System

Graphical Displays Brief

Graphical Displays Workings in Computer Systems Graphical Displays Workings in Computer Systems LCDs Structure and Operation Mechanism of Light control Using Natural Light Using a Backlight Active Matrix with TFT, RGB & Color Depth Raster Refresh Buffer/Frame Buffer and Alpha Channel LCDs Structure and Operation Most graphical devices now use LCDs (Liquid Crystal Display) display. It consists of a liquid crystal chemical polymer trapped between two glass surfaces. The liquid crystal chemical changes its alignment when an electrical charge is applied, that changes how it interacts with light and determines whether to let light pass through or block it, which results in images being shown in the screen.