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What are the advantages of LED lights?

Update:23 Nov 2019
Summary:

1. Low power consumption and low operating cost: LED li […]

1. Low power consumption and low operating cost: LED light source with the same light efficiency is more than 80% energy-saving than traditional light source. For example, a 2000-meter bridge LED guardrail light is illuminated for 1 hour and only 10 degrees, and the annual electricity cost is more than the traditional light source. The lamp saves tens of thousands or even hundreds of thousands of yuan.

2. Low protection cost: LED lamps operate stably, have low demand for operating environment, and are not frequently replaced due to adverse weather conditions.

3, long life: LED lamps use solid semiconductor chips to convert electrical energy into light energy, plus epoxy resin packaging, can accept high-intensity mechanical shock and sensation. The life of LED single tube is 100,000 hours, and the life of light source is more than 20,000 hours. It is calculated according to 12 hours of operation per day, and its life is more than 5 years.

4, high luminous efficiency: white light, halogen light effect is 12~24 lumens / watt, fluorescent light is 50 ~ 120 lumens / watt, and its light source is blackbody radiation, only about 10% of the emitted energy can be used visible light The rest is useless heat; in order to obtain a color, it is necessary to use a color filter to remove other colors to form an energy dross. The LED light efficiency is 50~200 lumens/W, the spectrum is narrow and the monochromaticity is good. All the declared light can be used, and the color light can be directly announced without filtering.