1. LED Luminaire Design Optical Control - Exterior Reflector
Bare HID Lamp Illustration
Bare LED Chip Package Illustration
LIGHT
HEAT
HEAT
LIGHT
Reflector

2. LED Luminaire Design Optical Control - Exterior
Bare LED Chip Package Illustration
Illustration of Altered Distribution
(Secondary Optic Added)

3. Case Study: Prairie School – Racine, WI (2007)

4. Case Study: Prairie School – Racine, WI (2007)
LED
HPS
141W
Total System Wattage
300W
8,040
Average Delivered Lumens
20,520 57
Luminaire Efficacy (Lumens/Watt) 68
1.01fc
Maintained Average Footcandles
1.96fc
0.30fc
Maintained Minimum Footcandle
53%
2007 Energy Savings -