What Are the Benefits of a Blue Light phone Screen Protector?

What Are the Benefits of a Blue Light phone Screen Protector?

Speaking of mobile phone screen protector, if you go to the street to see friends who are playing with their mobile phones with their heads down, basically everyone will put a mobile phone screen protector on it. After all, if such an expensive mobile phone breaks and scratches the screen, it will be very distressing. But just like mobile phones are constantly updated, mobile phone screen protectors are also constantly upgraded, from soft phone screen protectors, to screen protectors, to various high-definition and Blu-ray, there are countless. In addition, major merchants keep promoting that blue light screen protectors can reduce blue light and protect eyesight. Basically, most people have used blue light screen protectors. The following editor will tell you what are the benefits of a blue light screen protector.

1. What are the benefits of a blue light phone screen protector?

1. Where does Blu-ray come from?

First of all, I want to give you a popular science about the so-called blue light, which is "the blue visible light that the human eye perceives with a wavelength between 400 and 500 nanometers."

At present, the backlight of the mobile phone screen we use is usually LED light. Its principle is to first emit blue light from the LED chip in the mobile phone, and then the blue light excites the phosphor in the screen to emit various colors we see.

2. What is the harm of blue light

First, high-intensity, such as lighting products. Due to the high brightness of LED lamps, a large amount of blue light in the light may cause retinal damage. The country has special restrictions on the intensity of blue light in lighting products.

Second, the exposure time is long. Long-term exposure to blue light may have a certain impact on our endocrine and immune hormones.

3. What are the benefits of a blue light phone screen protector

As the name suggests, the blue light phone screen protector is designed to block the blue light of the screen, which has many advantages such as reducing eye fatigue and protecting eyesight.