Is that safe uses LED lights at Home?

LED lights become more and more popular. But, is that safe use LED lights?
From a goverment research, we found that although most product is safe,this is one LED ceiling light will reach middle risk if you take out the light cover. Middle risk means it will heart your eye when you watch the light directly in a close distance.
The main reason causing harm to the eye is the blue light which is contained in LED lights. The medical professionals worried about the LED blue light can harm the eye. And some LED lights have blue light overflow problem. What’s the most harmful of blue light? Research shows that the harmful effect of a different wavelength of blue light is different. The most harmful wave is from 435nm to 440nm. This effect decreases gradually with the increase or decrease of wavelength. In general, home use LED lighting’s color temperature should not be more than 4000k, should avoid using above 5000k color temperature of LED lights. So, if using low color temperature of LED lights, is safe to the human body.
And when we are using LED lights, it is important do not move the lamp cover. Generally LED ceiling light, LED panel light, LED bubble etc., with an acrylic lampshade, can be good to prevent light damage to your eyes.
In our living life, not only the LED light having blue light, but also LED TV, LED neon lights, fluorescent lamps, LED monitor, iPad, mobile phone etc. are all background light source. Through the powerful electron flow excitation light source contains high-energy shortwave blue light, which will affect children’s eye. So, should avoid watching these home appliances for a long time.

LED Lights safe?