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

关键词: caliper;    ssl;    eere;    doe;    led;    par38;    lighting;    lamp;    report;    dimming;    flicker;    solid state;    power quality;    lumen;    chromaticity;    failure;    temperature;   

DOI  :  10.2172/1220492
RP-ID  :  PNNL-SA--23988
PID  :  OSTI ID: 1220492
Others  :  Other: 7106

美国|英语

来源: SciTech Connect

【 摘 要 】

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.