What is blue-light?

What is blue-light?

Light is made up of electromagnetic particles that travel in waves. These waves emit energy, and range in length and strength. The shorter the wavelength; the higher the energy. The length of the waves is measured in nanometers (nm), with 1 nanometer equaling 1 billionth of a meter. Every wavelength is represented by a different colour, and is grouped into the following categories: gamma rays, x-rays, ultraviolet (UV) rays, visible light, infrared light, and radio waves. Together these wavelengths make up the electromagnetic spectrum.

However the human eye is sensitive to only one part of this spectrum: visible light. Visible light is that part of the electromagnetic spectrum that is seen as colours: violet, indigo, blue, green, yellow, orange and red. Blue light has a very short wavelength, and so produces a higher amount of energy. Studies suggest that, over time, exposure to the blue end of the light spectrum could cause serious long-term damage to your eyes.

Blue light has a wavelength of between approximately 380nm and 500nm; making it one of the shortest, highest-energy wavelengths.

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Jun Ron What is blue-light? Introduction

Jun Ron Technology Co., Ltd. is Taiwan supplier and manufacturer in all kinds of screen protector and PC / TV screen filter provider. Jun Ron has been offering our customers high quality Screen protector for iphone, screen protective film, lcd led screen protective filter, screen protector for ipad, anti blue light screen protective filter, anti blue light film, lcd screen protector, tv screen filter, computer screen filter, roll film since 1989. With both advanced technology and 26 years experience, Jun Ron always make sure to meet each customer's demand.

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