Why does neutral white LEDs have lower output than cool whites?

strinq

Enlightened
Joined
May 24, 2009
Messages
861
Location
Kuala Lumpur, Malaysia
It is always the case that a cool white emitter has slightly higher output compared to the neutral white of the same LED. Why is that? Did a quick search and couldn't find the answer. Anyone?
 

vivid

Newly Enlightened
Joined
Nov 16, 2009
Messages
37
It is always the case that a cool white emitter has slightly higher output compared to the neutral white of the same LED. Why is that? Did a quick search and couldn't find the answer. Anyone?

here is a great explanation. link
 
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