CALiPER Report 20.4: Lumen and Chromaticity Maintenance of LED PAR38 Lamps Operated in Steady-State Conditions

Technical Report · Tue Dec 30 00:00:00 EST 2014

DOI:https://doi.org/10.2172/1220492· OSTI ID:1220492

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This CALiPER report focuses on lumen maintenance, chromaticity maintenance, and catastrophic failure in 32 of the Series 20 LED PAR38 lamps and 8 benchmark lamps, which were monitored for nearly 14,000 hours at ambient temperatures between 44°C and 45°C.

• Research Organization: EERE Publication and Product Library, Washington, D.C. (United States)
• Sponsoring Organization: USDOE Office of Energy Efficiency and Renewable Energy (EERE), Energy Efficiency Office. Building Technologies Office
• DOE Contract Number: AC05-76RL01830
• OSTI ID: 1220492
• Report Number(s): PNNL-SA-23988; 7106
• Country of Publication: United States
• Language: English

Related Subjects

32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION
caliper
ssl
eere
doe
led
par38
lighting
lamp
report
dimming
flicker
solid state
power quality
lumen
chromaticity
failure
temperature