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LED Lamps: Light Bulbs, Table Lamp, Desk Lamp, Benefits And Prices
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Published: October 25, 2007
LED lamps are some of the most popular lighting choices today, known for their versatility and energy-saving features. LED lamps are also preferred by many people over fluorescent or incandescent light bulbs because they last longer, require minimal maintenance, and can be easily installed into various electronic circuits. LED lamps used to be very expensive lighting solutions since they are more technological advanced than other light bulbs, but their prices have significantly dropped in the past years.
Their prices remain a bit higher than conventional light bulbs, but LED lamps tend to be better choices because of their increased efficiency and energy-saving benefits.
LED lamps are made of several small bulbs containing light-emitting diodes (LEDs) that can transmit light more effectively than ordinary diodes. These light-emitting diodes are specially engineered to distribute great quantities of photons in an outward manner, while the semiconductor placed in the ordinary diode tends to absorb much of the energy that it produces. Furthermore, these specialized diodes are placed inside a small transparent plastic bulb or case designed to centralize the light in a certain direction, forcing it to bounce from the walls of the plastic casing to the rounded tip of the bulb.
Unlike fluorescent or incandescent lights, LED lamps do not flood a whole room with light. Several LED bulbs are arranged or grouped in a single lamp to create a beam of light in a single direction. This means that LED lamps make perfect desk lamps for reading, writing or hobby work.
LED lamps are very efficient as energy-saving light sources because they do not waste energy like incandescent or fluorescent lights do. Before an incandescent bulb can produce light, it must first generate a huge amount of heat in order to warm the filament. LED lamps do not have filaments, and are therefore not required to generate that much heat. This means that LED lamps largely utilize electricity to produce light, therefore significantly reducing electricity costs. LED lamps are also safer than fluorescent lamps because they do not have mercury. If a fluorescent bulb breaks, inhalation of the mercury vapor contained inside is considered harmful to the health.
The average life span of a LED lamp is 60,000 hours, a very significant advantage over the incandescent bulb which can last for 1,000 hours only, and the fluorescent lamp which can last for 10,000 hours only. Since LED lamps consume minimal electrical power, this means that a household can have huge savings from the 60,000-hour life span of a LED lamp.
Although LED lamps are constantly being subjected to various experiments, they have also been made available in the market as table lamps or desk lamps, garden lamps, decorative lights and other lighting solutions. Many people have no idea that LED bulbs and lamps have been used for various purposes, and are found in common electronic devices such as in remote controls, calculators, digital clocks and traffic lights. LED lamps and bulbs are now used for various purposes, but because of rapid advancements in technology, it is highly possible that engineers and scientists will discover more uses for, and benefits of, these efficient lamps.
Sources:
"LED Advantages." Howstuffworks.com. 24 Oct. 2007. http://electronics.howstuffworks.com/led3.htm.
"LED light bulbs." CCrane.com. 24 Oct. 2007. http://www.ccrane.com/lights/led-light-bulbs/index .aspx
"Energy Efficient Lighting." Eartheasy.com. 24 Oct. 2007. http://www.eartheasy.com/live_energyeff_lighting.h tm.
"LED Lamp." Wikipedia.org. 24 Oct. 2007. 24 Oct. 2007. http://en.wikipedia.org/wiki/LED_lamps.
LED lamps are made of several small bulbs containing light-emitting diodes (LEDs) that can transmit light more effectively than ordinary diodes. These light-emitting diodes are specially engineered to distribute great quantities of photons in an outward manner, while the semiconductor placed in the ordinary diode tends to absorb much of the energy that it produces. Furthermore, these specialized diodes are placed inside a small transparent plastic bulb or case designed to centralize the light in a certain direction, forcing it to bounce from the walls of the plastic casing to the rounded tip of the bulb.
Unlike fluorescent or incandescent lights, LED lamps do not flood a whole room with light. Several LED bulbs are arranged or grouped in a single lamp to create a beam of light in a single direction. This means that LED lamps make perfect desk lamps for reading, writing or hobby work.
LED lamps are very efficient as energy-saving light sources because they do not waste energy like incandescent or fluorescent lights do. Before an incandescent bulb can produce light, it must first generate a huge amount of heat in order to warm the filament. LED lamps do not have filaments, and are therefore not required to generate that much heat. This means that LED lamps largely utilize electricity to produce light, therefore significantly reducing electricity costs. LED lamps are also safer than fluorescent lamps because they do not have mercury. If a fluorescent bulb breaks, inhalation of the mercury vapor contained inside is considered harmful to the health.
The average life span of a LED lamp is 60,000 hours, a very significant advantage over the incandescent bulb which can last for 1,000 hours only, and the fluorescent lamp which can last for 10,000 hours only. Since LED lamps consume minimal electrical power, this means that a household can have huge savings from the 60,000-hour life span of a LED lamp.
Although LED lamps are constantly being subjected to various experiments, they have also been made available in the market as table lamps or desk lamps, garden lamps, decorative lights and other lighting solutions. Many people have no idea that LED bulbs and lamps have been used for various purposes, and are found in common electronic devices such as in remote controls, calculators, digital clocks and traffic lights. LED lamps and bulbs are now used for various purposes, but because of rapid advancements in technology, it is highly possible that engineers and scientists will discover more uses for, and benefits of, these efficient lamps.
Sources:
"LED Advantages." Howstuffworks.com. 24 Oct. 2007. http://electronics.howstuffworks.com/led3.htm.
"LED light bulbs." CCrane.com. 24 Oct. 2007. http://www.ccrane.com/lights/led-light-bulbs/index .aspx
"Energy Efficient Lighting." Eartheasy.com. 24 Oct. 2007. http://www.eartheasy.com/live_energyeff_lighting.h tm.
"LED Lamp." Wikipedia.org. 24 Oct. 2007. 24 Oct. 2007. http://en.wikipedia.org/wiki/LED_lamps.
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