liquid-crystal display
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AI overview
A liquid-crystal display (LCD) is a screen that controls light by using special materials called liquid crystals that can change how they interact with light. This technology matters because it enables thin, energy-efficient screens used in everything from televisions and computer monitors to smartphones and digital watches.
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A liquid-crystal display (LCD) in an early smartphone Closeup of a liquid crystal display (LCD) Layers of a color TFT LCD. 1: Glass plates. 2+3: Horizontal and vertical polarizers. 4: RGB color mask. 5+6: Horizontal and vertical command lines. 7: polymer layer. 8: spacers. 9: thin film transistors. 10: front electrode. 11: rear electrode.
A liquid-crystal display (LCD) is a flat-panel display or other electronically modulated optical device that uses the light-modulating properties of liquid crystals combined with polarizers to display information. Liquid crystals do not emit light directly but instead use a backlight or reflector to produce images in color or monochrome.