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Light-emitting diode

Parts of an LED. Although unlabeled, the flat bottom surfaces of the anvil and post embedded inside the epoxy act as anchors, to prevent the conductors from ...

How Light Emitting Diodes Work - HowStuffWorks

Though they often come in tiny packages, light emitting diodes produce a large amount of light and are used in an ever-growing list of technologies. See more ...

Light Emitting Diodes - HyperPhysics

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 ...
These bulbs save even more power than that of their predecessor, the compact fluorescent light bulb (CFL). In comparison, they use only 3-13 watts of power and will last up to ten years. It is said the average incandescent bulb will cost you up to $20.00 a year to li... More »
By Timothy Thiele, Guide

Learn About LED Bulbs : ENERGY STAR

LEDs, or lightemitting diodes, are semiconductor devices that produce visible light when an electrical current passed through them. LEDs are a type of Solid ...

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

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

What Is An LED & Why Are LED Lights So Popular - Philips Color ...

LED lights, or light-emitting diodes, are highly efficient sources of light that last longer than traditional light bulbs. LED lights are energy saving and ...

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

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

How do diodes and light-emitting diodes (LEDs) work?

May 6, 2015 ... But, even better, there are LEDs (light-emitting diodes) that are just as bright as bulbs, last virtually forever, and use hardly any energy at all.

Popular Q&A
Q: What is a light emitting diode?
A: A light-emitting Diode (LED) is a semiconductor device that converts electrical energy into light energy. When put into a circuit, the current only travels in o... Read More »
Q: What is a light emitting diode?
A: It is a semiconductor diode that emits light when an electric current is applied in Read More »
Q: What are Light Emitting Diodes?
A: light emitting diode is a type of semi conductor diode which permits current to flow in one direction only. It emits light when it conducts electricity. When it... Read More »
Q: What is a Light Emitting Diode?
A: Short answer, it's a semiconductor diode that glows when current flows through it in the forward direction. It glows because the energy released when each elect... Read More »
Q: About light emiting diode?
A: Your question needs clarification. Read More »