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The Problem with phosphor based LED

The Problem with phosphor based LED

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1 - Circadian sensitivity (Melanopsin cells).
2 - Scotopic sensitivity (Rhodopsin cells) peaks at 507 nm.
3 - Photopic curve (Photopsin cells) peaking around 555nm.
4 - 6000K phosphor-based InGaN LED.

I made this diagram to illustrate why there is a concern about the blue LED component. For curve #4, I put the blue LED peak at ~450 nm. I placed #1 peak at ~460nm but now I believe the peak could be a bit more to the right at about ~470 nm.

SodiumSpectraBroadening.jpg SpectraCompsosite.jpg Circadian-vs-LED-Scotopic-P.jpg IMG_3970-LED-measured.jpg

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wattMaster
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Apr 11, 2018 at 07:02 PM Author: wattMaster
Can I use use this photo for my website?

SLS! (Stop LED Streetlights!)

lights*plus
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Apr 11, 2018 at 11:25 PM Author: lights*plus
Yes sure, but with the unaltered logos if you can. The large image is 1003x874 pixels.
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