With the progress of the society, more and more children become short-sighted. So what causes this result? How can parents reduce their children's myopia? Many parents specially prepared LED lights, but you have not thought, your home LED light really safe?
Inferior LED light is harmful and without profit
Parents agree that lamps with LED light are more energy efficient, environmentally friendly and, more importantly, provide better lighting than incandescent bulbs, helping to protect children's eyes.
In fact, some leds have severe stroboscopic effects. Prolonged exposure to these lights can lead to visual fatigue, headaches, and even photosensitive epilepsy, poor vision, and distraction. It is harmful to the children's health!
CCTV a program, had exposed this kind of inferior LED light technically
Let's see
Different LED strobes vary greatly
Stroboscopic, in a nutshell, when you look at the screen of one appliance and you look at the screen of another appliance, the screen of another appliance will have a bright line that goes from the bottom of the screen to the top of the screen, and then comes back from the bottom. And so on and so on, it gives us the impression that the picture is flashing.
The lower the strobe, the less damage to the eyes. However, it is impossible in the absolute sense that there is no stroboscopic light. China's industrial standard requires 3125Hz for qualified products.
We can use cell phone cameras to quickly identify strobes
The difference in strobe is so great that LED lights look almost the same to the naked eye. So in daily life, how should we distinguish the pros and cons of LED lights? Don't worry, here are some tips for you!
When choosing an LED light, just take out your portable mobile phone, turn on the camera function, and aim the lens at the lit bulb.
A light with a low stroboscopic flash will look no different on camera than it does with the naked eye.
Strobe high light bulb, mobile phone screen will appear on the line of frequent fluctuations.
Experts said that qualified LED lights equipped with constant current chip, can effectively reduce strobe, which is the key to determine its quality. And the light price that has constant current chip commonly can compare tall.
Experts remind: consumers in the purchase of LED lights, you can use the phone camera, quickly identify the quality of LED lights,
Must not covet at the same time cheap, buy inferior product possibly otherwise!
Hurry up and test your led light !
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