Wednesday, July 13, 2011

Techno Light

LED is the abbreviation for light emitting diode, which is used as a semi-conductor source of light. They act as an indicator lamp in electronic devices and also used in many other devices meant for lighting. Earlier, LED lighting had been low in intensity but with gradual modernization these have become ultraviolet and sometimes with infra-red wavelength. LED lighting works by releasing energy in the form of photons. The effect thus produced is called electroluminescence. LED lighting could be more economic than other devices of lighting as these devices are long lasting, they are robust, and they are compact and can be relied upon. LED devices with infra-red lighting are used in commercial electronic goods such as stereos, remote-controls, computer mouse etc.

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