Too terrible LED light hurts the eyes and can cause blindness in tens of seconds!

In life, the bulb lamps, table lamps, ceiling lamps commonly used in indoor homes, industrial and mining lamps used in work, outdoor lawn lamps and other landscape lamps may all be LED lamps. LED lamps are lighting appliances made of light-emitting diodes. They are more energy-saving and environmentally friendly than our common incandescent lamps and energy-saving lamps, and have a longer service life. According to the CCTV Finance 'First Time' report, the white light of most of the current LED lamps on the market is covered with a layer of yellow phosphor on the LED chip that emits blue light, and mixed to obtain white light. But there are many reports that the blue light produced by LED lights can damage the human retina. In this regard, Yu Anqi, deputy director of the National Electric Light Source Quality Supervision and Inspection Center, said that LED light-emitting points are extremely small, and the intensity of light emitted per unit area is extremely bright, which is its characteristic. Because of this feature, it is possible that if the blue light is emitted very strong, it will cause harm if the eyes look directly. In fact, blue light is everywhere in our lives, such as LED lights, computer monitors, mobile phones, digital products, LCD screens, etc., all have the shadow of blue light, but some have more blue light and some less. In fact, there is no need to be afraid of these. If there is so much blue light around us, if there is harm, then we may have had eye diseases long ago. However, under what circumstances does blue light cause harm to human eyes? How harmful is it? Experts did experiments for us. According to national standards, the danger of blue light to the retina is divided into four levels: one is non-hazardous level, followed by type 1 hazard level, which is also low-risk level, followed by type 2 hazard, and finally type 3, high-risk level, light It can cause irreversible damage to the eyes in a matter of seconds. The so-called blue light hazard refers to the damage to human eyes in a relatively short time or instant when the blue light radiance reaches the Class 2 or Class 3 danger level. So, what kind of dangerous level does our commonly used LED light belong to? The reporter came to the laboratory and mainly tested four samples, one is LED lamp spotlight, one is LED lamp with diffuser cover, one is LED lamp with diffuse cover removed and driven by half power, and the other is full power driver with diffuse cover removed. LED lights. After testing, LED spotlights and LED lights with diffuser cover are classified as non-hazardous. The next thing the professionals will do is to remove the blue light hazard experiment of the LED lamp of the diffuser. After filling this LED lamp with full driving power, the reporter noticed that the engineer can no longer look directly at the light source when facing the light. With such a strong blue light, its test results surprised everyone: looking directly at it for tens of seconds can damage the retina, the damage is irreversible, and the eyes may even be blind in severe cases. Through the blue light hazard test of different brightness, the engineer concluded: ordinary LED lamp spotlight and LED lamp with diffuser cover, the amplitude of blue light is within the normal range, and will not cause damage to the human eye’s retina, without adding LED lights with a diffuser cover and a power greater than 1 watt, regardless of full power or half power, blue light will cause obvious damage to the eyes. Expert Tip: How to use LED lights reasonably So how do we use LED lights reasonably? Experts believe that during the daytime, a higher lighting color temperature can be used to enhance people's working mood to obtain higher work efficiency. At night, light with low color temperature should be used to give people a physiological reminder that they need to rest. According to the current test results, the household LED lights on the market are basically non-hazardous. To use the LED lights correctly, do not look directly at the LED lights, do not remove the diffuser cover, and replace the diffuser cover if it is damaged or leaks light. When consumers buy, they should pay special attention to the packaging. Choose a color temperature below 4000K, which is usually said to be a warm color, with more red components and less blue components, just like the early morning sunlight.