2011年4月26日 星期二

LED light bulbs

LED light bulbs
Bulb is a lighting device usually used inside home, in automobiles, in street lights, in decorations etc. There is a long list of applications of LED light bulbs. LED Bulbs are of different kinds. They can be incandescent bulbs or can be LED light bulbs or there may be of any other kind as well. As the technology advances, there are many replacements for the old types of incandescent bulbs as LED Light bulbs have taken their place. The range of the incandescent LED light bulb was from 5 up to 60 Watts. They are being replaced by LED bulbs that give the same results. They range from 0.3 to 5 Watts.
Most LED bulbs give constant light and are not dimmed. They also maintain a directional throw of the light. As the demand of the LED light bulbs are ever increasing so their price is also increasing as compared with the prices of fluorescent bulbs. They are easily available in the market in different types and shapes. Also these bulbs are more power efficient than the traditional florescent bulbs. They offer an excellent life time of 30,000 or more hours. You can expect that a LED bulb will last for 25 to 30 years under normal use which is far better than a traditional fluorescent or incandescent bulb. These LED bulbs maintain their output intensity very well throughout their life time. 10% or fewer drops in the operation is mentioned in the specifications after usage of 6000 hours. Whereas in the worst case the drop just increased to 15%.
There are various types of LED light bulbs that are available in market. Some of which are G16, GU10, MR11, MR16, PAR16, PAR20, PAR28, PAR30, PAR38, PAR56 etc. now let us discuss some of these types.G16 light bulbs are one of their kind that are used track lighting, in amusement parks and in hotels where we want to save energy and to reduce the cost of light bulbs. They are also called as G16 globes. They are very efficient as they work for 50,000 hours. GU10 type LED bulb saves power and give out usable light. There output power is approximately equal to a 25 watt light bulb but it consumes 8 times less power. They can be used as entertainment lighting; architectural lighting, for decoration, inside operation theatre as medical lighting or some kind of portable lightings.MR11 light bulbs are a true replacement for low voltage halogen LED light bulbs and are really very cost effective. They produce a high quality light in a variety of different colors for just 1 watt of energy usage. This is all because of the fact that they vibration and shock resistant and there is no filament to break.
A lot companies are offering types of LED light bulbs that are used for general purpose lighting. The C. crane company launched a product called "Geobulb" which was replaced by Geobulb 3 that was more brighten and long lasting as well. In Netherlands Lemnis naming company manufactured a dimmable LED bulb which they named as Pharox. There is another company Eternleds Inc. which offers a new technology bulb HydraLux-4. It uses cooling of the LED light bulb chips.
The best part of these types of LED light bulbs is that they are mercury free. Due to recent research and technology advancement these types of bulbs are now available in a variety of color just like other incandescent LED light bulbs. Due to energy saving and less maintenance cost, they are very attractive. With additional development in the technology and their growing popularity it is believed that the cost of these LED Light bulbs will eventually decrease.

LED Light Bulbs

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