Today's howard miller grandfather clock Article

The Future of Lighting: An Informational Guide to LED

LED (Light Emitting Diode) is the next generation of lighting technology and design, rapidly becoming the preferred lighting solution of both professionals and consumers. An LED "bulb" is a small, solid-state lighting device comprised of a tiny semiconductor diode encapsulated in an epoxy resin enclosure that glows when voltage is applied to it. This unique method of generating light output provides LEDs with a variety of advantages including energy-efficiency, longevity, durability and safety.

In today's power-hungry world, "energy efficiency" is becoming an increasingly important term as we strive to find new ways to lower our overall consumption of power. New technologies are being developed to increase our efficiency. No doubt, you've heard of the new technologies in the automotive industry that are helping lead it into a cleaner future such as the hybrid car, E85 gasoline, and the hydrogen fuel cell vehicle. The lighting industry is also experiencing similar design and technological breakthroughs, which will guide it into a more efficient, less power-hungry future. One of the key technologies breaking through is the use of LEDs. Consuming up to 90% less power than your standard incandescent light bulb, LEDs are an extremely energy efficient technology. Lower power consumption means lower energy bills. Simple as that. So not only are LEDs eco-friendly, they can be wallet-friendly too. Here's a real-world example for you on the efficiency of LED using rope lights, a common home and business accent lighting product: LED rope lights use approximately 0.73 watts per linear foot of rope light. Compare that to a standard incandescent rope light, which will use approximately 5-6 watts per linear foot. Now factor in the overall length of the rope light and how long it will stay on every day and it quickly becomes apparent how fast the energy saving features of LED technology can add up, both on your energy meter and your checkbook. Over a 150 foot run, the LED rope light will use 109.5 watts, whereas the incandescent rope light will use 900 watts. That's over 8 times as much energy!

Another strong point for this up and coming technology is longevity. The typical life span of an LED is 100,000 hours, compared to a typical incandescent bulb that has a life span of approximately 1,000-1,500 hours. The long life span of LEDs can dramatically reduce maintenance and long-term operating costs. Running continuously, 24 hours a day, an LED will last over 11 years. If it were only of for, say, four hours a day, that stretches to over 68 years of life.

Thanks to its electrical semiconductor and solid epoxy resin construction, LEDs do not contain fragile components like those found in incandescent or fluorescent bulbs such as glass, filaments or gases that are easily broken or disrupted. This makes LED a remarkably durable and rugged technology capable of withstanding shock, vibration and even extreme temperatures. Also, as the electrical semiconductor in an LED emits light, it will generate virtually no heat output and is cool to the touch. Leaving it on for an extended period of time can be done without incident or worry. This is very different from incandescent light bulbs, where it is the heating of the filament that generates light. In fact, of all the energy incandescent bulbs consume, 95% of it is wasted on heat output. This why they are very hot to the touch and can become possible fire hazards.

An LED produces a focused light, making it ideal for specific scenarios such as desk lamps, spotlights, flashlights, signage lighting and other types of task-specific and/or energy-conscious lighting scenarios. LED lighting can be used in all kinds of different applications and environments within a variety of industries: residential lighting, architectural accent lighting, retail and trade show lighting, entertainment and gaming, automotive, electronic instrumentation, traffic and transportation and much more.

In the lighting world, LED is a state-of-the-art technology and with that comes a higher cost in manufacturing. Often, there is also a price difference among different colors of LEDs. In order to understand why this occurs, we first need to understand how color is produced in standard lighting products. In standard lighting, color is achieved by using different color filters or tinted glass over the light. No matter what color you choose, it's still the same light bulb underneath, which is why there is no cost difference among colors. With LEDs however, it is the diode itself that emits the intended color, without the use of color filters. For this reason, each LED color is fabricated from a variety of different semiconductor materials to achieve the desired color. As a result, the variation in market prices for these different materials has a direct effect in determining the prices for particular colors. But there are many advantages to using LEDs that can help offset their initial higher price, including that they are cheaper in the long run to operate due to energy savings and low maintenance costs.

Though the technology has been around for years, LED is the new kid on the block for mass-market lighting. It is starting to gain some ground, and as the public becomes more aware of the amazing benefits of this technology...the future looks very bright indeed!

About the Author

Find out more about LED and LED lighting products at www.ledropelightsandmore.com

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