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High wattage LED bulbs

Philips has established that its 22-watt Light-emitting Diode lightbulb is the very first 100-watt tungsten equivalent light bulb to own already been granted Energy Star official certification. Also known as the A21, that will be really just one of the standard kinds for bulbs that bulb occurs to comply with, Philips' 22-W light bulb creates "nearly" 1, 800 lumens for an efficacy around 82 lumens/watt (lm/W). It really is an excellent spec, although not also dissimilar to your competition, which increases the question of why Philips' item is singled out.

The light bulb's effectiveness is right up there with other 100-W equivalent Light-emitting Diode light bulbs we've looked at from Osram Sylvania, GE and Switch. There clearly was some confusion regarding the specific efficacy of Osram Sylvania's supplying during its statement, but its Amazon listing today quotes a production of 1, 675 lumens providing it an exceptional effectiveness of 84 lm/W, though various other resources place the effectiveness at 80 lm/W (an email on efficacy and performance: technically there's a distinction.) The present specifications detailed at turn Lighting's site means its effectiveness has to be reined in through the figures we had been quoted at the time of our reporting.

The 1, 600 lumen production of Osram Sylvania's, GE's and turn's bulbs is actually even worse than that of a 100 W tungsten bulb (about 1, 750 lumens). Philips' light bulb, conversely, surpasses this output. However, the 1, 600 lumen production continues to be enough to realize Energy celebrity rating, so just why is Philips' bulb the only person having been certified?

The Philips press release provides some insight into the requirements associated with the certification process for these types of something. Aside from the 1, 600-lumen minimum output, lamps must achieve a shade making index of 80 (good, yet not great) and a rated life of 25, 000 hours (which is the time it requires for the light output of this LEDs to drop to 70 percent of their initial production).

Source: www.gizmag.com
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