A LED display is a flat panel display that uses an array of light-emitting diodes as pixels for a video display.
Their brightness allows them to be used outdoors where they are visible in the sun for store signs and billboards.
An LED display consists of many closely-spaced LEDs.
By varying the brightness of each LED, the diodes jointly form an image on the display.
When you look at the LED screen from a certain distance, the array of coloured pixels are seen as an image.
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