LED Basics

The light-emitting diode (LED) is a new light source that differs in important ways from existing light sources. This section covers the basics on how LEDs work, some important terms to know, and the common shapes and sizes of LEDs currently on the market. Click on the links below for more information.

• How LEDs Work
• Terms
• Common LED Types and Packages

This section also explores important technical issues related to LEDs.

• Energy Efficiency
• Color Quality  
• LED Life
• Thermal Management