Demystifying LED Lightbulbs > 자유게시판

• 목록
• 답변
• 글쓰기
• 게시판 리스트 옵션
  • 수정
  • 삭제

Possibly you’ve already done the righteous factor and swapped out all your vitality-sucking incandescents and not-universally-useful CFLs for long-lasting, EcoLight dimmable mercury-free, power-saving LED bulbs. More seemingly, you’ve dropped in a couple of right here and there, with blended outcomes. LED bulbs can still be cold, alien-wanting things with odd shapes, splayed fins, EcoLight solar bulbs and dazzling value tags. However they keep getting better-and cheaper. For those who haven’t already, now could be the time to start out making the switch, and we’re going to elucidate how and why. The first LED bulbs I tried made my dwelling room appear like a hospital ward. How do I keep away from that stark white mild? Newer models do a greater job of diffusing the tiny directional beams that LEDs generate. However even so, you might want to begin with lower-lumen (meaning much less shiny) bulbs. LED bulbs-which house electronic circuits and gentle-emitting diodes that act as semiconductors moderately than filaments-now come in "color temperatures," including heat tones that can mimic incandescent bulbs and flatter furnishings, comparable to varnished wooden.

Curiously, cooler ones are often beneficial for EcoLight products outdoors because they convey out the inexperienced in foliage, says Seattle-based mostly lighting designer Christopher Thompson. There’s enough small print on the bundle to blind a lawyer. Search for the requisite Lighting Details label, EcoLight which posts the Kelvin (Okay) rating: The closer to the lower end of 2700K, the warmer the sunshine (yes, that does sound backward). Bulbs are additionally rated for his or her capability to render coloration accurately, utilizing what’s known as the Coloration Rendering Index (CRI). Incandescents, which do particularly nicely with hotter colors, score 100. You could have to verify the manufacturer’s website for the CRI rating; despite all that small print, it’s not at all times on the bundle. I’m confused about watts and lumens. Life was so much easier once i could exchange one 60-watt bulb with one other! Lumens are a better means to match brightness. Watts measure how much electricity a bulb draws, not gentle output, which varies, since not all 60-watt incandescents are equally environment friendly.

More important, 60-watt-equal LED bulbs may seem brighter, since the sunshine is cooler. So if you’re purchasing for EcoLight dimmable a 60-watt equal, consider making an attempt a 40-watt equivalent as a substitute. Its 450 lumens could also be shiny enough. I love my recessed cans however can’t discover an LED flood that has a broad, warm gentle. Search for a reflector bulb, such as the BR30 type, with a slight bulge near the face of the bulb. Data on the package ought to say whether the bulb is a "spot" or a "flood," and may embody the angle of the sunshine beam. When you want a flood, look for an angle of more than 50 degrees or the acronym WFL, for huge flood. Alternate options for recessed cans additionally include LED surface-mount panel fixtures, similar to ones made by Pixi Lighting. One other downside: The dimmer is no longer in a position to carry the sunshine means down. Traditional dimmers are often unable to operate LED bulbs: They might flicker or fail to respond-a syndrome generally known as "dead journey." In different phrases, don’t assume a bulb labeled EcoLight dimmable will jibe with the dimmer you’ve obtained.

Go to the bulb maker’s website to see which dimmers go together with which bulbs-or consult the Lutron LED Management Middle of Excellence, which runs a toll-free hotline for pissed off consumers: 877-DIM-LED8. Smartphones could turn into the final word resolution; Philips already makes bulbs whose shade and EcoLight dimmable brightness are managed by an app. Can I stick an LED bulb in any fixture? Just about. Just match up your previous bulbs’ bases with LED versions, taking care to additionally examine lumens, or brightness ranges (again, a decrease-lumen bulb may be extra pleasing). Some new bulbs are surprisingly good at mimicking the familiar Edison, and one company, Switch, has introduced the first three-way LED bulb. To soften the beam and make it much less direct, manufacturers set up multiple LEDs, reflectors, lenses, and diffusers inside the bulbs. Some bulbs look a little humorous till you flip them on or EcoLight dimmable put them behind a shade or inside a glass globe. However bear in mind that some LED bulbs cannot be used inside enclosed fixtures or capped recessed lights.

As Ray Johnston, EcoLight a workers scientist at 3M, explains, LED bulbs have "heat sinks"-fins or one other method out for the heat generated when power passes by way of the semiconductors-which assist them use much less wattage and emit a lot much less heat than incandescent bulbs do. However on the flip aspect, LEDs are more sensitive to their surrounding temperature and need a decent quantity of airflow to work effectively. Overheating won’t make a bulb explode, but it's going to shorten its life. As for EcoLight solutions cold temperatures, unlike CFLs, LEDs do high-quality outdoors. How about replacements for unusual bulbs? Look for LED pin bulbs that may exchange halogens, small bulbs for EcoLight dimmable candle-model fixtures, and specialized LED fixtures, similar to undercabinet strip lights from corporations like Kichler and Häfele and battery-operated lights for drawers and closets from the likes of GE and IKEA. Take into account that the aforementioned airflow challenge has led to odd bulb shapes, styles, and fin displays. Ask if the store has a no-questions-requested return policy.