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Introduction to Solid-State Lighting (LEDs)

COURSE NO: E03-025
Introduction to Solid-State Lighting (LEDs)
Course Highlights

This online engineering PDH course describes the characteristics of LEDs (Light-Emitting Diodes) and discusses situations where LEDs would be appropriate and other situations where traditional light sources should be chosen instead.  Health and safety issues of LEDs are also discussed.


LEDs are semiconductor devices that emit light through electroluminescence. This basic fact is the foundation for many of the advantages of LEDs, since the source of LED light is different from traditional light sources.  However, while some of the characteristics of LEDs are potentially favorable compared to traditional lamps, generalized comparisons are often misrepresentative.  For example, no matter how much energy can be saved using an LED, if the product does not meet all the performance requirements of a given application, it is not a good design choice.


This 3 PDH online course is intended for mechanical, civil, and transportation engineers concerned with the design and maintenance of lighting systems for buildings and outdoor facilities.

Learning Objectives

This PE continuing education course is intended to provide you with the following specific knowledge and skills:

  • Learning about energy efficiency of LEDs
  • Using LEDs to their best advantage
  • Knowing how to establishing LED equivalency
  • Knowing about LED lifetime and reliability characteristics
  • Understanding the characteristics of general service LED lamps
  • Learning about optical safety of LEDs
  • Knowing about aspects of lighting related to health
  • Understanding flicker
Course Document

In this professional engineering CEU course, you need to review the course document titled, “Introduction to Solid-State Lighting” which is based on a compilation of fact sheets from the U.S. Department of Energy, Office of Energy Efficiency & Renewable Energy, published April, 2016.

To view, print and study the course document, please click on the following link(s):
Introduction to Solid State Lighting (LEDs) (7.08 MB)
Course Quiz

Once you complete your course review, you need to take a multiple-choice quiz consisting of twenty (20) questions to earn 3 PDH credits. The quiz will be based on this compilation of USDOE Fact Sheets.

The minimum passing score is 70%. There is no time limit on the quiz, and you can take it multiple times until you pass at no additional cost.
Certificate of Completion

Upon successful completion of the quiz, print your Certificate of Completion instantly. (Note: if you are paying by check or money order, you may print your Certificate of Completion after we receive your payment.) For your convenience, we will also email you your Certificate of Completion. Also, you can log in to your account at any time to access and print your Certificate of Completion.

To buy the course and take the quiz, please click on: