Comparability of Solid state lighting light bulbs and Compact Fluorescent light bulbs Lighting technology
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by: DonaldJill
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Date: Mon, 14 Feb 2011 Time: 4:36 AM
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This essay is committed to the analogizing of modern energy saving and environment safe lighting technology.
Compact fluorescent lights (CFLs) are built by taking a traditional fluorescent tube and bending it into a compact design that fits easily into plain incandescent installations. In commonplace, CFLs use up to 75% less electricity than conventional light bulbs while still producing a comparable amount of light. For example, a compact fluorescent bulb that uses 27 watts of electricity has the same light output as a 100 watt incandescent bulb. The habitual efficiency of CFLs is 40~50 lumens of light produced per watt electricity consumed.
Not alike commonplace fluorescent lights, however, compact fluorescent lights do not flicker. What's more, CFLs produce the same, if not better, quality light as normal incandescent bulbs. This means you get brighter, sharper light for much less energy.
CFLs also last much longer than incandescent lights, meaning you won't need to replace them as often as standard bulbs. In general, for each ten incandescent light bulbs you change, you should only need to change one CFL. Not only does this save money, it also reduces the labor to replace the lights.
There are some shortcoming for CFL technology too. Like general fluorescent lights, CFLs have noticeable amount of mercury. This is a greatly toxic material if leaked or disposed.
While Light Emitting Diodes (LEDs) have been around for decades in everyday appliances, computers and clocks, they've only recently gained popularity as energy-efficient replacements to incandescent bulbs.
Light emitting diodes are diminutive lights produced by running electrons in a semiconductor. There is no burning gas or filaments so LEDs are more lasting and induce little to no heat. Their small size also makes LEDs exceptionally resistant to weather and can even be waterproofed for more extreme conditions.
A single LED is fairly modest, but improvements in technology have allowed for the conjunction of bunches of LEDs together to create consumer products ranging from powerful flashlights to Christmas lights and lamps. Large lots of LEDs have been used to replace traffic lights and brake lights in cars. Since they are projected to halt for many years, these particular lights almost never ought to be replaced and can withstand more extreme conditions than habitual bulbs.
Just like compact fluorescent lights, LEDs are also amazingly energy efficient and use only a fraction of the energy needed to power a single incandescent bulb. In fact, LEDs use 1/50 of the energy of a common bulb and last 10 times longer than their CFL replacements. A typical LED bulb can last up to 15 years without needing to be replaced! They are not as multifaceted in conventional light installations, however, and are generally more overpriced than compact fluorescents. Price is the biggest hindrance for this technology to be widely accepted. An everyday 60W incandescent light bulb cost less than $1, a 13W CFL that replaces 60W incandescent light bulb cost around $3 and a 6W LED light bulb that replaces 60W incandescent light bulb usually cost more than $50(under $35 at our website). Considering the very long lifespan and the high efficiency, LED lights are becoming more and more attractive nowadays.
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