Found 2 comments on HN
thomas · 2019-02-06 · Original thread
There are standardized tests for all this stuff, as you might imagine. One in this case would be the LM80 test.


thomas · 2013-09-18 · Original thread
Great comments here, and interesting article. If anyone is interested, here is a book on LED lighting:

covers all the basics - CFL lifespan, lumen depreciation, etc.

Get dozens of book recommendations delivered straight to your inbox every Thursday.