Liquid crystal display grid. Coloured scanning electron micrograph (SEM) of the grid (black) surrounding subpixels (rectangles) from a laptop computer's liquid crystal display (LCD). Pixels are tiny areas of a computer screen, comprising 3 subpixels coloured red, green and blue. The grid supplies electricity to the liquid crystals in each subpixel. This affects the optical properties of the liquid crystals, changing the transmission of light through them. The combination of green, blue and red can produce over 16 million shades of colour on the computer's LCD screen. An RGB screen can have over 2 million subpixels. Magnification: x210 when printed 10cm wide.
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