Manage LED Lighting — Know its SPD and your Exposure

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Data Sheets dated no later than 2015
DSPD
Delayed
Sleep Phase Disorder


ipRGC
Intrinsically
Photosensitive
Retinal Ganglion Cells



On AMA Policy


Health Insurance
and Lighting

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   ipRGC &
Photopic  Zones

   SPD Graph              
           
400 - 500nm 
500
|
520
nm
520
|
565
nm
565
|
590
nm
590
|
625
nm
625 - 740nm
Blue      Cyn Grn Amb Org Red
100%
80% 
60% 
40% 
20% 
400 450 500 550 600 650   700 nm

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