Flat-panel computer screen

Flat-panel computer screen

T415/0219 Rights Managed

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This image is part of the feature Race for Rare Earth Metals

Credit: TEK IMAGE/SCIENCE PHOTO LIBRARY

Caption: Flat-panel computer screen. This will consist of a backlit liquid crystal display (LCD) that is thin, and so smaller and lighter than a cathode ray tube (CRT) monitor, and also uses less electricity. It uses liquid crystals to filter light from a source behind the screen (backlit). CRT monitors however, use electron beams to trigger light emission from a screen. LCD technologies vary depending on the method used to electrically control the properties of the liquid crystals. The dominant technology is thin film transistor (TFT) technology that uses transistors to control the light transmitted at each point (pixel) on a grid covering the screen.

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Keywords: computer, computer peripheral device, computing hardware, electrical, electronic, electronics, equipment, flat, flat-panel, hardware peripherals, high-tech, lcd, liquid crystal display, monitor, panel, peripheral, profile, screen, side, space-saving, still life, still-life, technological, technology, tft, thin, thin film transistor

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