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eli
on Oct 7, 2014
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The 2014 Nobel Prize in Physics
The "white" LEDs you see in light bulbs in the store are actually blue.
jestinjoy1
on Oct 7, 2014
[–]
How? Or is it a mix of Red, Blue and Green?
TTPrograms
on Oct 7, 2014
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parent
[–]
There are down-converting phosphors on the surface that convert a fraction of the blue light to other wavelengths to get close to white.
azmenthe
on Oct 7, 2014
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root
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parent
[–]
Is that the same method as fluorescent lighting?
Florin_Andrei
on Oct 7, 2014
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root
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parent
[–]
Similar in principle.
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