Chapter 3. LED Basics
LEDs come in a number of shapes and forms (including the organic LED and polymer LED), but the basic LED is a semiconductor. They are small, long-lasting, and power efficient. They are made of a semiconductor material in order to produce the desired color tones.
How LED works is not particularly complex from a scientific point of view, but it’s quite far removed from the purchase and usage of LED lighting. Lots of information is available if you’d like to dig deeper into the physics and chemistry behind semiconductors, but it should suffice to say that an LED is a diode—a device that allows electricity to pass through it in a single direction—that emits light. That light can range from infrared (non-visible) through the color ...
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