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luminous efficacy

   Also found in: Medical, Legal, Encyclopedia, Wikipedia 0.01 sec.
luminous efficacy
n
1. (Mathematics & Measurements / Units) the quotient of the luminous flux of a radiation and its corresponding radiant flux. Symbol K
2. (Mathematics & Measurements / Units) the quotient of the luminous flux emitted by a source of radiation and the power it consumes. It is measured in lumens per watt. Symbol ηv Φv


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The best luminous efficacy of an OLED so far is about 10% of the theoretical maximum of 683, or about 68 lm/W.
Further research into the SPE technology could result in even higher levels of light output and greater luminous efficacy, according to Narendran.
The typical efficiency of this luminous intensity is 4 cd/W, which corresponds to a luminous efficacy of 12 lm/W.
 
 
 
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