30 years of blue LED: The blue wonder LEDs in all colors of the visible spectrum have long been part of everyday life. Three Japanese researchers were awarded the Nobel Prize for their work.

Earlier, and perhaps more basic, LED masks usually provide just one primary colour treatment mode, such as red or blue, ...

The next time you look at the screen on your phone or the RGB on your keyboard, thank Shuji Nakamura, the inventor of the blue LED, who made it all possible and should have received way more ...

We've had success in converting longer wavelength blue LED light into shorter wavelength UVA. So, our next step was to find compounds that could convert blue LED light to UVB," explains Yanai.