Are the blue LEDs in the bulbs one can buy in a shop, harmful to the retina?
Can blue LEDs cause harmful effects similar to UV?
What chemicals are used in making of red coloured LED? Why is (UV) Ultraviolet light dangerous? What is the mechanism behind photon emission in LEDs? Is led flash of phone is harms? What happens when ultraviolet light shines on glass? How do LED lights work? Why should people switch to LED bulbs? Is it possible to make a black colour LED? Why do ultraviolet lights have radiation? What will the next lighting technology after LED be? Will cold weather affect the lifespan of LED lights operating outdoors? What should I pay attention to when buying LED bulbs? What's the quality of LED light? Why does glass block UV? Do LED shoes lighten up in different colors? Are LED light bulbs worth the money? Why do you choose an LED bulb? What comes next after LED bulbs? How do LED fluorescent lights work? How do car windshields block UV rays? What are the advantages of UV light over black light? Are LED light bulbs worth the money than CFL light bulbs? What are the advantages of using black light over UV light? How is ultraviolet radiation used? Why does UV light cause contamination on optics, but not IR light? Essentially, why is photocontamination wavelength dependent? What is LED made of? What is power factor of led? What uses does ultraviolet radiation have? What was so difficult in making a blue LED? How can I convert a cool-white LED wattage into photosynthetically active radiation (PAR)?