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5. Life and Light output
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FAQ
< Back to FAQ overview
Life and Light output
How long do LEDs really last? What happens to the light output?
What does a life of 50,000 hours mean in the case of - LEDs?
Why is the life of LEDs measured as lumen depreciation?
What are the factors that affect the lifespan of the LEDs?
Is lifespan reduced if the LEDs are frequently turned on and off?
How much longer does an LED last than a conventional light source?
What is the best way to compare the output of LEDs with other light sources?
Does increasing the wattage of LEDs increase their output?
Why are LEDs considered more efficient than conventional light sources?
What is the difference between absolute photometry and relative photometry?
Why is it necessary to use absolute photometry for LEDs?
What are “cold” and “hot” lumens?
Other
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LED light fittings
How do LEDs produce light
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