Thread: Colour Kobo ereaders Available 30th April
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Old 05-03-2024, 07:08 PM   #19
Renate
Onyx-maniac
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Join Date: Feb 2012
Device: Nook NST, Glow2, 3, 4, '21, Kobo Aura2, Poke3, Poke5, Go6
Quote:
Originally Posted by j.p.s View Post
... with a (toy) spectrograph.
Science! I should get one. Or build one?

I believe most "white" LEDs with a yellow/green appearance use blue LEDs and phosphors to round out the spectrum.
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