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 …
发光二极管 - 维基百科，自由的百科全书
Nov 27, 2025 · 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 …
什么是LED - 知乎
LED简介 一、发光二极管 (Light-Emitting Diode, LED) 是一种能发光的半导体电子元件。 发光二极管（LED）于20世纪60年代问世。 在20世纪80年代之前，LED主要作为指示灯使用，从其光色来看， …
LED | Definition, Light, & Facts | Britannica
Jan 2, 2026 · An LED (light-emitting diode) is a semiconductor device that emits infrared or visible light when charged with an electric current.
什么是LED？ - 电路设计学习指南R课堂
Nov 13, 2025 · 2024.06.19 什么是LED？ 本文的关键要点 ・LED是“ Light Emitting Diode ”的首字母缩写，是一种在注入电流时发光的半导体。 ・LED可将电能直接转化为光能，具有能效高、功耗低、响 …
LED - Light Emitting Diode: Basics, Types and Characteristics
Sep 20, 2024 · LED or Light Emitting Diode is a very common source of light. An article about Basics of LED, Characteristics of LED and different Types of LED.
Amazon.com: Led Lights
Amazon.com: led lights The ClimatePartner certified product label confirms that a product meets the requirements for the five steps in climate action including calculating carbon footprints, setting …
Learn About LED Lighting - ENERGY STAR
When designed well, LED lighting is more efficient, versatile, and lasts longer. LEDs are “directional” light sources, which means they emit light in a specific direction, unlike incandescent and CFL, which …
Leder Optoelectronic Technology Co.,Ltd.
LEDER is specialized in the research and development, sales and engineering of LED displays, and is one of the most advanced professional manufacturers of LED large-screen display systems in China.
Refond瑞丰光电-全球知名LED封装方案及产品提供商
与全球一线品牌企业建立了深度的业务与战略合作关系。 目前，公司将重点在Mini LED、Micro LED以及AI感测器件等领域进行研发与业务布局，提升公司核心竞争力和持续盈利能力。