Nov 3, 2025 · LED는 저전력 및 장수명 등의 특징을 가진다. 정격 범위 내에서 사용하는 한 발광 소자 자체는 비교적 긴 수명이며, 열에 의한 열화가 수명 결정 요인이 된다. LED 조명은 수명과 전기 효율이 …

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 …

The correct past and past participle of lead is spelled led. If you aren’t sure whether to use led or lead as the verb in your sentence, try reading it aloud to yourself.

Nov 25, 2025 · An LED (light-emitting diode) is a semiconductor device that emits infrared or visible light when charged with an electric current.

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 article.

Feb 5, 2013 · 자외선부터 적외선까지, 전기에너지를 빛에너지로 발산하는 LED 그렇다면 LED는 어떻게 빛을 발하는 것일까요? LED는 쉽게 설명하면, 전기에너지를 빛에너지로 변환시켜주는 ‘광반도체’입니다.

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, which releases …

Sep 20, 2024 · 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.

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 …

The inside of the LED consists of two main parts – post and anvil. The post is the positive side of the LED, the anode side, and the anvil is the negative side, the cathode.