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led bulb in the color rendering index

Update:04 Dec 2017
Summary:

LED light source is a low-voltage micro-electronic prod […]

LED light source is a low-voltage micro-electronic products, led the working voltage of 2-3.6V, is a very low safety voltage, there will be no light source replacement personnel accident. As the led bulb is a cold light source, there will be no incandescent lamp, gas discharge lamp surface temperature is too high, causing burns.
    
Electromagnetic compatibility pass rate is low: The spot checks 103 batches of led lighting products, electromagnetic compatibility project pass rate of only 60.2%, lower than the spot checks of energy-saving lamps, and incandescent lamps do not exist electromagnetic compatibility issues. Which Jiangsu real estate led lighting products, the project's pass rate of 87%, while the spot checks of other provinces and cities led lighting products, the project's pass rate of only 29%. Electromagnetic compatibility refers to the ability of a device or system to operate in its electromagnetic environment without creating unacceptable electromagnetic interference to any device in the environment.
    
Photobiotic safety usually refers to whether an indicator of the likelihood of harm to human health from lighting products is an indicator. Under the certain conditions, the blue light component in the led spectrum of the illumination will cause damage to the human optic nerve of the retina. In this spot check, there are 5 types of products that have a blue light hazard, which are products produced by enterprises outside the province. The Biophotonics of Lamps and Lamp Systems classifies the hazard classes into four categories: Class 0 is non-hazardous, class 1 is low-risk, class 2 is medium-risk, and class 3 is high-risk. In general, the blue LED 1 category hazards, if the use of more than 1.5 meters away, or less than 2-3 hours non-long-term use, are not harmful to the human body.
    
Compared with incandescent, energy-saving lamps, led bulb more energy it? Quality inspection experts said that the evaluation of a lighting product is energy-saving, usually with the power conversion efficiency (light effect), lighting effects (color temperature, color rendering index) and other indicators to evaluate. led light bulb power conversion efficiency theoretically up to 100%, the same lighting effect than traditional light sources more than 80% energy saving, the service life of up to 60,000 to 100,000 hours, than the traditional incandescent lamp, energy-saving lamp life of 10 times longer.

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