Lights in Shining Armor
Hal Aiken 于 1 天之前 修改了此页面


Are LED bulbs ready to prevent from high vitality payments? Last yr I visited Switch Lighting, a small Silicon Valley firm that claimed to have constructed something revolutionary. Switch’s product: a mild bulb that produced the identical warm, comforting glow that we associate with Edison’s enduring incandescent bulb however lasts 20 instances longer and makes use of a fraction of the vitality. It was beautiful, too. A pear-shaped glass orb that sat atop a shiny metallic heatsink, the Swap bulb looked like a work of artwork. Better of all, it was remarkably affordable. The Change bulb was going to price $20, however over its 20-yr-lifespan-sure, 20 years! One hundred in power over an incandescent bulb. I was gained over. In my story-"The World’s Biggest Light Bulb"-I promised that when the Switch bulbs went on sale in the fall of 2011, energy-efficient bulbs I’d be buying them for my house. I wasn’t the only one who was thrilled by the prospect of an ideal gentle bulb.


Wired put the same Change bulb that I’d hailed on its cover. There was solely tiny problem with the bulb that Wired and i went gaga for: It was never released. The corporate says that it ran into unexpected manufacturing challenges, and late final year it had to return to the drawing board. The agency completely redesigned the bulb with a watch to creating it simpler to manufacture. The excellent news is that the newly designed Swap bulb is now on sale. You may choose one up at a Batteries Plus store close to you. The unhealthy information is that the Switch isn’t the perfect bulb. For one factor, slightly than $20, a Switch bulb that’s equal to a 60-watt incandescent now costs $50. What’s extra, in my testing, the Swap bulb’s glow doesn’t fairly match the quality of gentle put out by an incandescent bulb. And it’s not simply Change: Over the previous couple of days, I’ve been testing 4 totally different LED mild bulbs that are now obtainable on the market.


I found them all to be pretty good, but every was one notch wanting good. Considering that you’ll be spending some huge cash on these bulbs and using them until around the time Malia Obama runs for president, you’d be wise to hold off shopping for any LED bulb right now. Subsequent yr, they’ll be much nearer to excellent. The lighting business has been trying to give you an reduce energy consumption-efficient replacement for the incandescent bulb for a very long time now. The pursuit has recently grow to be extra urgent, since federal power laws are scheduled to restrict the sales of previous-college bulbs. In October, 100-watt incandescents had been banned. In the intervening time, the primary different to the incandescent is the compact fluorescent, however tons of individuals don’t like these bulbs. I’m one of them. Most CFLs are ugly, comprise hint quantities of mercury, and put out a harsh, whitish mild that feels clinical.


Hordes of CFL-loving readers attacked my stance on these bulbs, mentioning that "covered" CFLs look simply as good as regular bulbs, and in addition produce heat, yellow mild. Certainly, in scientific exams, some CFLs have been proven to produce gentle that individuals like greater than incandescents. Alas, I still blanch on the sight of CFLs-but when you don’t, your perfect bulb is already right here. For the rest of us, the most effective hope for matching incandescent bulbs is with LEDs, EcoLight that are semiconductors that produce light. The quest to turn LEDs into the proper bulb has dominated the lighting trade over the last few years. So what’s flawed with the Switch and EcoLight smart bulbs different LED bulbs now? Let me explain what I was looking for in the bulbs I tested. First, I wished a nice "color"-I used to be in search of a bulb that produced a yellowish gentle moderately than a whitish mild. The LED bulbs I examined all aimed to supply a "color temperature" of 2700 kelvin, which corresponds to a "soft white" incandescent bulb.


I used to be additionally in search of a bulb that produced a beam that was comparable to that of an incandescent. Positioned beneath a lampshade, I wanted the bulb to emit mild in all instructions (fairly than simply upward or downward). I also didn’t need the sunshine beam to create sharp patterns on the ceiling or the flooring, EcoLight solar bulbs as a spotlight would-as a substitute, the light ought to hit objects gently, with a blurry line between mild and dark. Finally, I assessed the bulb’s look when it was each on and off. I needed a bulb that may look fashionable in a clear fixture-one thing you’d be completely happy to showcase quite than conceal, as you’d do with a CFL. My evaluation was subjective-I didn’t use a chroma meter to test brightness or color, simply my eyes-but I did aim for rigor. I tried a parade of those bulbs in lamps in my bedroom, reduce energy consumption both one at a time and side-by-side, and dimmable LED bulbs that i took detailed notes on how they performed.