Liquid Crystal Displays

ALSO CALLED: LCD, Thin Film Transistor Liquid Crystal Displays, Active Matrix Displays, Thin-film Transistors, LCD Displays, TFT Displays, TFT-LCD Monitors, Active Matrix Display
DEFINITION: LCD (liquid crystal display) is the technology used for displays in notebook and other smaller computers. Like light-emitting diode (LED) and gas-plasma technologies, LCDs allow displays to be much thinner than cathode ray tube (CRT) technology. LCDs consume much less power than LED and gas-display displays because they work on the principle of blocking light rather than emitting it.An LCD is made  … 
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LIQUID CRYSTAL DISPLAYS DEFINITION (continued): …  with either a passive matrix or an active matrix display display grid. The active matrix LCD is also known as a thin film transistor (TFT) display. The passive matrix LCD has a grid of conductors with pixels located at each intersection in the grid. A current is sent across two conductors on the grid to control the light for any pixel. An active matrix has a transistor located at each pixel intersection, requiring less current to control the luminance of a pixel. For this reason, the current in an active matrix display can be switched on and off more frequently, improving the screen refresh … 
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