RESULT AND ANALYSIS
4.1 Characteristics of the LED lamp
LED lamps are used for both general and
special purpose lighting. Where colored light is needed, LEDs naturally
emitting many colors are available without filters. This improves the energy
efficiently over a white light source that generates all colors of light then
discards some of the visible energy in a filter.
White-light
LED lamps have longer life expectancy and higher efficiency than most other
lighting. LED sources are compact, which gives flexibility in designing
lighting fixtures and good control over the distribution of light with small
reflectors or lenses. Because of the small size of LEDS, control of the spatial
distribution of illumination is extremely flexible and the light output and
spatial distribution of a LED array can be controlled with no efficiency loss.
LED lamps have no glass tubes to break
and their internal parts are rigidly supported, making them resistant to
vibration and impact. With proper driver electronics design, an LED lamp can be
made dimmable over a wide range, there is no minimum current needed to sustain
lamp operation.
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