Electric Lighting Timeline



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Comparison of Lighting Technologies

 TechnologyCRI
Efficacy (lumen/W)
Lifetime (hrs)
Color Temperature (K)
 Compact Fluorescent 80-90
60-70
6,000-10,000
2700-6500
 Incandescent 10012-18
750-1,500
2400-2900
 Linear Fluorescent 70-90
80-100+
 20,0002700-6500
 Halogen 10016-292,000-4,000
2850-3200
 White LED 65-9020-50
Up to 100,000
2700-6500