LED | Definition, Light, Facts | Britannica An LED (light-emitting diode) is a semiconductor device that emits infrared or visible light when charged with an electric current
发光二极管 (LED) 综合指南 - LEDYi Lighting 这些都是使 LED 成为传统白炽灯泡和荧光灯管的合适替代品的事实。 它可以从点亮我们智能手机的微型 LED 到让我们在时代广场眼花缭乱的巨大 LED 屏幕。 这份综合指南将探索您需要了解的有关 LED 的一切信息。 您将了解它们的历史、工作原理、应用和优势。
Light Emitting Diode (LED): Principle, Advantages, and Uses A light-emitting diode (LED) is a small electronic device that emits light when an electric current flows through it LED works by passing electricity through a semiconductor, which releases energy in the form of light