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[M694]Most Powerful Led Flashlight
by Ben Anton, Ben

The bright light of an LED flashlight can be an invaluable tool when on a camping or hunting trip, and a potential life saver in a home or car emergency. The power and efficiency of these light sources has made them incredibly popular throughout the world. How did these bright lights become so popular? How does the LED bulb in the flashlight actually work? Science and practicality have come together to create these innovative light sources – it may just be a good idea to know why.

What is an LED?

To understand how an LED flashlight works it is important to understand what an LED light is. LED stands for light-emitting diode. It is a semiconductor diode that emits light when an electric current passes through it, like a simple circuit. This circuit produces electroluminescence, which can be infrared, visible, or ultraviolet, and a number of different colors depending on the make up and condition of the semiconducting material used. These lights are often very small, typically less than 1 mm. Manufacturers usually add special optics or lenses to the chip to help with reflection, creating an incredibly powerful beam for the size of the bulb.

LED lights are embedded in a high-impact epoxy, which makes them virtually indestructible and therefore perfect for handheld lights. There are no loose or moving parts either. LED lights also produce no heat, allowing them to be used for long periods of time without concern of burning out.

LED Light Advantages

LED light technology has certain advantages that help it stand out for flashlight and lamp use – visibility, intensity, color and efficiency.

Visibility

LED lights naturally emit a high level of light, called luminous intensity. This visibility is increased by adding chips to the encapsulation or using secondary optics to distribute light. For most LED flashlights or lanterns, there are a number of individual light sources in a single lens.

Intensity

The intensity of the light is another characteristic of LED lights. The light output varies depending on the type of chip and encapsulation that is used. Although there is no industry standard for LED brightness or intensity, many manufacturers use terminology such as "ultra-bright" or "super-bright" to describe their lights. These lights have such a powerful beam that they can actually do damage to the human eye.

Color and Wavelength

Wavelength and color are other characteristics of LED lights. These lights have a pretty broad wavelength spectrum and thus can produce a number of different colors depending on the phosphorous or other compounds added to the encapsulation. The human eye is most responsive, however, to yellow, orange and red LED lights, probably why many come in those colors.

Efficiency

LEDs are solid-state devices with no moving parts. This allows the average LED light to operate for approximately 100,000 hours at relatively normal ambient temperature (25 degrees C). And unlike other incandescent bulbs, they can be turned on and off without undergoing too much wear and tear.

Putting It All Together

The basic construction of an LED flashlight is pretty straightforward. A simple closed circuit is used to charge the semiconductor diode, producing a brilliant, cool light. These lights illuminate our pathway in the dark, help us during power outages and signal for help. They are tremendous assets to a home, car or supply boxes.


ARTICLE:
Flashlights can be an important part of a household. You simply never know when the electricity might go off or an emergency will take place. For emergency situations, outdoor activities or a backup in the car, a flashlight can play an important role. Traditional flashlights have not always been dependable. The batteries die quickly and without notice, the bulbs do the same and the light output fades without warning.

With LED technology, the world of flashlights has gotten a lot brighter. LED flashlights are one of the best investments in equipment you can make because they will last longer, be much more durable, and be even more dependable than regular flashlights. Many home owners and outdoor enthusiasts are choosing to replace their existing regular flashlights with LED versions because they have proven to be a more dependable, superior product that can be counted on.

LED flashlights have many useful and unique features. The bulbs are long lasting ? most bulbs will last for a minimum of 60 hours of continuous use before needing to have the batteries changed. They are also built to withstand drops and extreme temperatures without effecting the light brightness or lifespan of the bulb. This durability is unmatched by traditional flashlights. With the longer bulb life and extreme durability, the health of your flashlight will be one less thing for you to worry about.

These handheld lights also put out an intense and bright light. The newest white LED lights measure 60 times brighter than standard flashlight bulbs. The light will stay bright and strong and will remain so until the battery and bulb start to run low ? after several hundred hours of continuous use.

LED flashlights are also much more energy efficient than other types of flashlights. Batteries will last 10x longer in an LED flashlight than in any traditional flashlight because of the power efficiency of the technology. This means that fewer batteries will make their way into landfills every year. You can also use rechargeable batteries in these flashlights (many brands sell rechargeable batteries with their LED products) which results in never having to throw any batteries away.

LED flashlights are an important investment for you to make. Besides being good for the environment, they are good for your family. When the lights go out, or when you need to find light quickly, you don't want to be worrying about whether or not your flashlight will come on. You may have a situation where you cannot afford to be hunting in drawers for fresh batteries or trying to find another flashlight that works. With LED flashlights, you can trust that they will work the first time, every time. They are durable as well, which means that whether you are taking them camping, throwing them in the trunk of your car, or simply shoving them in a kitchen drawer, they won't break on you and will still be ready to use when you get around to pulling them out. For a quality investment that will help you protect your family, you should turn to LED flashlights.

~Ben Anton, 2008
Article Source : Pg. 240

Ben Anton has sinced written about articles on various topics from Software, Home and Writing. Ben Anton lives in Portland, OR and writes for DLK. We invite you to read more about available on the DLK. Ben Anton's top article generates over 1220000 views. to your Favourites.
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