The Principle of LED Display Screens

Feb 19, 2026

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An LED display screen is a display device composed of light-emitting diodes (LEDs) as pixel units. By controlling the on/off state or color change of each LED, it dynamically presents information such as text, images, and videos. For the products mentioned above, please click below to learn more about their specifications.

 

Based on the electroluminescence effect of semiconductor materials-when current passes through the LED chip, electrons and holes recombine, releasing energy and emitting visible light in the form of photons. Depending on the pixel pitch (i.e., the distance between the centers of adjacent LEDs), LED displays can be divided into three categories: small pitch (≤2.5mm), standard pitch (2.5-10mm), and large pitch (>10mm), suitable for indoor high-definition displays, stage performances, outdoor advertising, and other scenarios, respectively.

 

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outdoor led screen
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