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Light-emitting diode - Wikipedia

en.wikipedia.org/wiki/Light-emitting_diode

A light-emitting diode (LED) is a two-lead semiconductor light source. It is a p–n junction diode, which emits light when activated. When a suitable voltage is ...

How Light Emitting Diodes Work | HowStuffWorks

electronics.howstuffworks.com/led.htm

Light emitting diodes form the numbers on digital clocks, send data from remote controls and light up traffic signals. Find out how LEDs work.

Light Emitting Diodes - HyperPhysics

hyperphysics.phy-astr.gsu.edu/hbase/Electronic/leds.html

Light can be produced and/or controlled electronically in a number of ways. In light emitting diodes (LEDs), light is produced by a solid state process called ...

What is light-emitting diode (LED)? - Definition from WhatIs.com

whatis.techtarget.com/definition/light-emitting-diode-LED

A light-emitting diode (LED) is a semiconductor device that emits visible light when an electric current passes through it.

LED Lights - How it Works - History - Edison Tech Center

www.edisontechcenter.org/LED.html

Introduction: The LED is a light source which uses semiconductors and electroluminescence to create light. There are two major kinds of light emitting diodes: ...

Learn About LED Bulbs | ENERGY STAR

www.energystar.gov/products/lighting_fans/light_bulbs/learn_about_led_bulbs

Why should I choose ENERGY STAR certified LED lighting products? What are LEDs? LEDs, or lightemitting diodes, are semiconductor devices that produce ...

Light-Emitting Diodes (LEDs) - learn.sparkfun.com

learn.sparkfun.com/tutorials/light-emitting-diodes-leds

The positive side of the LED is called the “anode” and is marked by having a longer “lead,” or leg. The other, negative side of the LED is called the “cathode.

Light-Emitting Diodes: E. Fred Schubert: 9780521865388: Amazon ...

www.amazon.com/Light-Emitting-Diodes-Fred-Schubert/dp/0521865387

'Light-Emitting Diodes is an excellent examination of the physics and technology of semiconductor LEDs. The narration is simple and direct, and the book is well ...

www.ask.com/youtube?q=Light Emitting Diodes&v=GodkGafZsh4
Nov 18, 2012 ... Light Emitting Diode (LED) ... How Diodes Work? (English ... LED Tutorial: Light a 10W LED from 12V - Simple & Cheap - Duration: 12:14.