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- 发光二极管_百度百科
发光二极管，简称为LED，是一种常用的发光器件，通过电子与空穴复合释放能量发光，它在照明领域应用广泛。 发光二极管可高效地将电能转化为光能，在现代社会具有广泛的用途，如照明、平板显示、医疗器件等。
- 发光二极管 - 维基百科，自由的百科全书
LED与没有 极性 的 白炽灯 不同，只能在正向电流流过时才能发光，当接上正向电压时会有较大的电流流过，称之为 正向偏置。 若接上反向电压，电流会相当细（微安—μA级），称为 反向偏置，并且不发光。
- 什么是LED - 知乎
目前 LED 已在大屏幕显示、交通信号灯、汽车灯、常规照明、特殊照明等方面得到广泛使用，在以后的发展中，LED的应用会更加广泛。
- 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
- 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
- LED为什么会发光？_电子小知识_罗姆半导体集团 (ROHM Semiconductor)
LED是被称为"发光二极管"的半导体，名称取至 "Light Emitting Diode" 的首字母。 1993年基于氮化镓制造出的高亮度蓝色LED实现商用化，随之制造出白色LED，该白色LED作为第4照明光源备受注目。
- LED - Light Emitting Diode: Basics, Types and Characteristics
In this article, we have seen about basics of LED and few important characteristics of LED In the next tutorial, we will see How an LED works and the construction of an LED
- Light-emitting diode - Wikipedia
In electrical engineering, a light-emitting diode (LED) is a semiconductor device that emits light when current flows through it Electrons in the semiconductor recombine with electron holes, releasing energy in the form of photons
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