Sunday, January 21, 2007

Lighting Technology: LED

Light Emitting Diodes (LED) are finding their way into many applications and changing products as varied as graffiti art, cell phones, televisions and automobiles.

The advantages include:
* More light per Watt than do incandescent bulbs.
* Light of an intended color without the use of color filters.
* The solid package of an LED can be designed to focus its light.
* Built inside solid cases that makes them extremely durable.
* An extremely long life span: upwards of 100,000 hours.
* Fail by dimming over time, rather than the abrupt burn-out.
* Light up very quickly. LED will achieve full brightness in microseconds.
* Can be very small and are easily populated onto printed circuit boards.

LED Throwies Video

How Diodes Work

The World Bank's Plans to Light Africa

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