We're becoming increasingly aware of the negative impacts of prolonged exposure to blue light – the kind emitted by LED bulbs and the screens of our devices. One quick fix is to use blue light ...

LED bulbs are still more expensive than incandescent ... For example, when red, green and blue LEDs are combined, they produce white light. Another method uses a blue LED and yellow or red phosphors.

King Abdulaziz City for Science and Technology (KACST) successfully localized and developed blue light-emitting diode (LED) ...

The blue LED technology offers promising solutions in modern lighting by reducing energy consumption by up to 80 per cent, ...