Dextra Group PLC

LED Technology Lifetime and Efficiency Course Exploring the history of LED technology, understanding the expected lifetime of an LED and what contributes to the best efficiency and understanding true comparisons. We also cover how they are made. Not all LEDs are alike in colour appearance along with efficiencies and output. Covering LED variation and explaining the binning process. Explanation of Macadam's Ellipse and how important it is on visual appearance and the quality of light. An explanation on LED life expectancy LM80, TM21 and LM79. Along with comparing luminaire efficiencies and how this is calculated. Human Centric Lighting and Circadian Rhythm Course Exploring the history of circadian rhythm and why it is important, influences on circadian rhythm and how Human Centric Lighting can be used. The course also covers applications of Human Centric Lighting and looks at studies showing the benefits in the various applications.