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LED Downlight Profile, Including Light-emitting Principle, Characteristics From:www.lgiled.com   Reporter:pamela   Date:2013/10/10 19:02:16   Tags:cree-led-bulb led-downlight-advantages

LED downlight mainly be achieved through the light-emitting diode lighting, life depends mainly on solid LED light source and driver cooling section 2012 LED downlight life expectancy has reached more than 50,000 hours, with the LED technology continues to research and widespread use, the drive and cooling are essential to achieve a relatively ideal state, compared with ordinary halogen lamp, a commercially available high-quality LED downlight basic life of 50,000 hours or more.

Emitting principle
The terminal voltage of the PN junction to a certain barrier, the times when the base plus the forward bias voltage drop, P and N regions of the majority carriers spread to the other. Since electron mobility than hole mobility is much greater, so there will be a large number of electrons to the P diffusion region constituting the P region of the injection of minority carriers. These electron-hole recombination and the valence band, the obtained compound in the form of light energy in the release out. This is the principle of light PN junction.

Product Features
led downlight Features: Keep the overall architectural unity and perfect, does not destroy the lamp settings, the light source hidden architectural interior, not exposed, no glare, the human visual effects, soft, evenly.
Energy conservation:
Same brightness as ordinary energy-saving lamp power consumption is 1/4.
Environmental protection:
No mercury and other harmful substances, environmental pollution.
Economy:
Saving electricity costs can be reduced due to year and a half recoverable lighting costs. A household electricity savings of tens of dollars a month.
Carbon resistance:
Power to reduce carbon emissions equivalent.
Long Life: LED lamp life of 50,000 hours, according to six hours per day basis, an LED light can be used for 20 years.

Clearly, as long as the cost of LED lamps with led technology continues to improve and reduce. Energy-saving lamps and incandescent lamps will certainly be replaced by LED lamps. Increasing emphasis on national lighting energy and environmental issues, has been vigorously promote the use of LED lights up. Especially government reform project is first LED street lights, LED lights visible on the specified starting energy-saving lamps LED lamps replace incandescent

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