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1. Luminous efficiency:

Fluorescent light-emitting efficiency is about 55-80 lm / W (Philips company T8 fluorescent light-emitting efficiency of 72lm / W), while the LED luminous efficiency of 100 lm / W or more, the recent Cree's XLampXP-G in the luminescent efficiency has to 130 lumens / W, and later will rise. Difference between the two has now almost doubled, while the later may reach more than 3 times.

2 .. lighting efficiency:

The efficiency of lighting is efficient light efficiency, because fluorescent light is 360 degrees, and in the opposite direction of light on the issue of no use. Therefore, usually a white fluorescent lamp, can be a considerable portion of the reverse light reflected back, in general, the efficiency of fluorescent lamps only about 70%. The LED fluorescent light is 120 degrees, so all light is an effective light. Although sometimes feel light-emitting angle of 120 degrees a bit narrower, but still enough for most cases. Moreover, this perspective is also light can be adjusted as needed.

3.LED high luminous efficiency

Mentioned earlier, the T8 fluorescent light Philips efficiency of 72lm / W, 36W fluorescent issued a total of 2,592 lumens, but the lighting efficiency of only 70%, so the number of effective lumens lumens to 1814.4, while the LED luminous efficiency of more than 130lm / W, assumed to 100lm / W, 18W can be achieved as long as 1,800 lumens, which is only half the power of fluorescent lamps can have the same brightness. And the LED luminous efficiency is also increased year by year.

4. Power efficiency
Other than incandescent lamps because all are need for a dedicated power supply, power supply also affected the efficiency of the efficiency of the lamp.

The following fluorescent lamps with Philips's 36WT8 example. It's rated output power of 36W, but because access to the magnetic ballast, the measured input power of 42.4W, which is loss of iron-core inductor has 6.4W, reduced to 85% efficiency, most made of iron-core inductor power In more than 10W, the power factor less than 0.512. The LED's typically up to 90% power efficiency, a 18W to 20W LED fluorescent light as long as the input power. Power factor can reach 0.9.

And fluorescent lamps can save compared to about half of the electricity, that is using a 18-watt LED fluorescent lamp can replace a 36 watt fluorescent lamp.


Moreover, LED fluorescent lamps and many other benefits:

5. Long life:

A carefully designed life span of LED fluorescent lamps can reach 50,000 hours. The life of a fluorescent lamp usually only 5,000 hours (some made of fluorescent lamp life of 300 hours). Difference between the two nearly 10-fold. The best long-life fluorescent lamps only 10,000 hours, the two also has a difference of 5 times.

6. Do not contain mercury, pollution-free.

We know that fluorescent lamps contain mercury. 36mm fluorescent lamps contain 25-45mg of mercury, 26mm (T8) contains 20mg of mercury. The fluorescent lamps are based on fragile glass as the shell, once broken glass, mercury will soon evaporate into the air, and instantly make the ambient air mercury concentration of 10-20 mg / cubic meter, exceeding the national The 1000-2000 times. The mercury is very harmful to the human body of toxic substances, mercury vapor up from 0.04 to 3 mg when will people in 2 to 3 months of chronic poisoning, up from 1.2 to 8.5 mg will induce acute mercury poisoning, should the amount of its 20 mg, will directly lead to animal death. And 1mg of mercury is enough to 5454.5 kg of drinking water contamination, so it's not drinkable. The LED fluorescent lamp does not contain any toxic substances, is a completely pollution-free green light.

7. A wide range of color temperature

Can provide almost any color temperature, but can also provide red, green and blue light as well as any color.

8. High CRI, incandescent color rendering index of 95, fluorescent lamps for the 65-80, while the LED fluorescent lamp can> 80. There is no ultraviolet radiation.

9. Non-glass, unbreakable, resistant to impact, vibration.

10. External isolated power supply of LED fluorescent lamps, the lamp can not reach both ends of high voltage electricity, only less than 36V DC safe voltage, there is no risk of electric shock, is a completely safe lamps.

Wellcome visit www.lampinled.com to get more information about led tubes.