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Another approach to assessing the amount of heat generated by the LED is based on the luminous efficacy of radiation (LER) [8].
Luminous efficacy of all the luminaires was highest at full power (Fig.
By the end of 2013, luminous efficacy of new models will increase up to 100lm/W, double the luminous efficacy of comparable T5 fluorescent fixtures.
cd], the luminous efficacy of monochromatic radiation of frequency 540 x [10.
Tokyo, Sept 29, 2011 - (JCN Newswire) - Sharp Corporation has developed and will introduce a high-power LED lighting device that features the industry's highest luminous efficacy of 93.
2]) troffer entered in the DOE's 2008 Next Generation Luminaires competition has a luminous efficacy of more than 70 lm/W with similar lumen output and color quality as current fluorescent troffers.
This is illustrated by the Los Angeles Department of Water and Power's (LADWP) rebate program for window film, which is based on a film's luminous efficacy constant, a measurement of its ability to simultaneously block heat and transmit light.
Further research into the SPE technology could result in even higher levels of light output and greater luminous efficacy, according to Narendran.
LED-based solutions can beat filtered incandescent lamps by a substantial luminous efficacy margin in practically all monochrome signaling applications.
Cree TrueWhite Technology delivers beautiful light and maintains color consistency over the rated lifetime of the product, all while maintaining high luminous efficacy - a true no compromise solution.
Minimum 2300 Lumens, Luminous Efficacy More Than 85 Lm/W, Life Minimum 15000 Hrs.
Today, with the development of solid-state lighting and soon, OLEDs, we have become so immersed in quantitative lighting standards, codes and luminous efficacy without any regard for quality or visual comfort.