Comment on Why CRT in sci fi deep space ships actualy make senseparentComments−qbrass3ySilicon Carbide LEDs were the first true blue (not blue-violet) ones, but they were horribly inefficient.Doped GaN made blue LEDs viable, and LEDs in general more available.
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Silicon Carbide LEDs were the first true blue (not blue-violet) ones, but they were horribly inefficient.
Doped GaN made blue LEDs viable, and LEDs in general more available.