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Basic knowledge of LED lighting technology

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The characteristics of the LED light source

1, energy efficient: compared to the same brightness 3W LED energy-saving lamps 333 hours of electricity consumption, ordinary 60W incandescent 17 hours of electricity consumption of, 5W ordinary energy-saving lamps 200 hours of electricity consumption.

2, long life: emitting semiconductor chips, no filament, no glass bulb, not afraid of shock, not broken, the service life of up to 50,000 hours (incandescent life of only 1,000 hours, the general energy-saving lamp life is also only eight ‘000 hours)

Health: healthy light containing ultraviolet and infrared radiation (ordinary light contains ultraviolet and infrared)

4, green: no mercury and xenon and other harmful elements, conducive to recovery, an ordinary lamp contains mercury and lead elements.

5, protect eyesight: DC drive, no flash (normal lights are AC drive, it will inevitably produce strobe)

6, high luminous efficiency: CREE companies Laboratory has reached the maximum luminous efficiency 260lm How to / W, and the market has also been the single powerful LED breakthrough 100lm / W, made ??of LED energy saving lamps, due to the loss of power efficiency, light shade through loss, the actual luminous efficiency of 60lm / W, while the incandescent lamp is only about 15lm / W, good quality energy-saving lamps around 60lm / W, so the whole LED energy-saving lighting efficiency and energy-saving lamps flat or slightly better . (May 2011 data)

7, high safety factor: the required voltage, current is small, security risks, in mines and other dangerous places

8, the market potential: low-voltage DC power supply, battery, solar-powered, in remote mountainous areas and outdoor lighting and other power shortage, a small electric field.

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