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 …
发光二极管 - 维基百科，自由的百科全书
Jul 4, 2025 · 使用LED作背光的LCD显示器常被生产商叫作LED显示器或LED电视机等，原因可能是为了强调新产品与旧产品有所不同，但其实这些显示器的影像仍是以LCD产生，LED只是当 …
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
Oct 13, 2025 · 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): What is it & How Does it Work?
Feb 24, 2012 · This page is about Solid State Light or Light Emitting Diode or LED including the introduction of the working principle of LED. The features of LED are also mentioned in this …
Amazon.com : led
Led Shop Lights,Led Shop Lights 4FT 50W 6500K 7000LM Clear White,Shop Light 4FT 110V Linkable Integrated V-Shape for Shop Garage,Warehouse,Workbench and Workshop …
Light-emitting diode - Wikipedia
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 …
Light Emitting Diode (LED): Principle, Advantages, and Uses
Jun 10, 2025 · 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, …
LED灯_百度百科
LED（Light Emitting Diode）， 发光二极管，是一种能够将 电能 转化为 可见光 的固态的 半导体器件，它可以直接把电转化为光。 LED的心脏是一个半导体的晶片，晶片的一端附在一个支 …
这些LED基础知识，你了解吗？ - 知乎
一、LED基础知识 1、LED发光原理 LED（Light Emitting Diode）是发光二极管的简称。 由镓（Ga）与砷（AS）、磷（P）的化合物制成的二极管，当电子与空穴复合时能辐射出可见 …