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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 .... After establishing the priority of their work based on engineering notebooks predating ..... in an environment that does not have free air circulation, the LED is likely to overheat, resulting in reduced life or early catastrophic failure.

electronics.howstuffworks.com/led.htm

Light emitting diodes form the numbers on digital clocks, send data from ... They do dozens of different jobs and are found in all kinds of devices. ... The lifespan of an LED surpasses the short life of an incandescent bulb by thousands of hours.

www.ask.com/youtube?q=How+Do+Led+Lights+Work%3F&v=BH9LI973H8w
Oct 17, 2013 ... Question: It seems that the number of holes and electron are finite, wouldn't that mean that time that the material can't produce light once the ...

www.hoveyelectric.com/hovey-electric-power-blog/bid/112592/How-Do-LED-Lights-Work-and-Why-Are-They-Better

Aug 16, 2014 ... LED technology has been around for quite some time now but is just coming of age as it hovey-lighting-how-do-led-lights-work makes its ...

www.edisontechcenter.org/LED.html

OLED: Organic Light Emitting Diodes ... One advantage is that does not need a cold cathode ...

www.eslightbulbs.com/how-do-led-light-bulbs-work

An LED is a small light bulb that easily fits into an electrical circuit. These light bulbs do not get hot and they are illuminated by the constant movements of the ...

www.lighting.philips.com/main/education/lighting-university/lighting-university-browser/video/LEDs

Discover the basic concepts of LED, the production and the operation of LED in this video.

www.explainthatstuff.com/diodes.html

Sep 21, 2017 ... But, even better, there are LEDs (light-emitting diodes) that are just as ... An LED is a special type of diode (a type of electronic component that ...

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

LED stands for light emitting diode. LED lighting products produce light ...