FAST6191 said:This is a common problem. What happens is the spectrum produced by most common LEDs is nothing like tungsten of sunlight which puts people off, see figure 3:
http://micro.magnet.fsu.edu/primer/lightan...urcesintro.html
There are however some LEDs just appearing on the market that very closely mimic natural light (they are damn expensive mind you compared to other LEDs) but prices should drop as they are being pitched to take on the whale hugger bulbs various governments seem to be going for these days:
http://www.theregister.co.uk/2007/12/20/us_energy_bill/
http://www.theregister.co.uk/2008/05/22/light_bulb_ban/
Personally it does not bother me though. I like LED light.
Edit: A research paper on the subject:
http://adsabs.harvard.edu/abs/2006JLVEn..30..170F
FAST6191 said:This is a common problem. What happens is the spectrum produced by most common LEDs is nothing like tungsten of sunlight which puts people off, see figure 3:
http://micro.magnet.fsu.edu/primer/lightan...urcesintro.html
There are however some LEDs just appearing on the market that very closely mimic natural light (they are damn expensive mind you compared to other LEDs) but prices should drop as they are being pitched to take on the whale hugger bulbs various governments seem to be going for these days:
http://www.theregister.co.uk/2007/12/20/us_energy_bill/
http://www.theregister.co.uk/2008/05/22/light_bulb_ban/
Personally it does not bother me though. I like LED light.
Edit: A research paper on the subject:
http://adsabs.harvard.edu/abs/2006JLVEn..30..170F