hps luminaires (high pressure ... - lux measurement inc....lux measurement inc. lux measurement inc....
Post on 03-Jul-2020
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HPS luminaires (High Pressure Sodium) use
a single bulb
LED luminaires use an array of light emitters
1
Laboratory LED Prototypes Lumens / Watt
303 Lumens per Watt in 2014
Source data: March 26, 2014 CREE First to Break 300 Lumens-Per-Watt Barrier (CREE is a leading US based LED developer and manufacturer)
131 Lumens per Watt in 2006
2
Effi
cacy
(Lu
me
ns
pe
r w
att)
120
60
131
303
Emitters
Source data: LED luminaire data from Street Light Program archives
3
Effi
cacy
(Lu
me
ns
pe
r w
att)
4
Luminaires 200 Lumens / Watt
in 2020
Emitters Exceeded
200 Lumens / Watt in 2010
120
60
131
5
More Lumens per watt
Fewer emitters needed to generate
the same illumination
Lower manufacturing costs and less
energy consumption
ADDS UP TO LOWER
PRICES
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