>... to make bright WHITEish LEDs.

While I'll readily admit to remembering nothing from her class, I took physical chemistry [πchem] from one of the co-inventors [2] of white LEDs. This is where my own limited fleshtelligence began searching for Heisenberg's god...

[πchem] e.g: how metals behave when struck with electron[-like thing]s)

[2] ONE of two known-methods, then

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But yes, once any process exists, it's usually only a matter of heat management to keep it working full wall-slam-ed-ly [ƒpu]

[ƒpu] which is why to run GPU fanspeeds high enough to keep <65°C – don't care about the noisiness if they'll then last forever; change your car's oil (and keep topped-up)