Turn Out Those Lights! (.PDF Download)

Once again, most of the media missed the point. If you will indulge me, the whole point of Akasaki, Amano, and Nakamura’s blue LEDs is that you can turn them OFF and on again fast. It’s nice that they have high luminous efficacy. However, regardless of the few watts it takes to squeeze out a lumen, white LEDs are doing their best for the environment when they’re dark...

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