The bulbs emitted a harsh blue-white light by default, creating a terrible first impression for the technology. But the industry has figured out how to “tune” LEDs to generate essentially any ...

White light-emitting diodes (LEDs) have tremendous potential for energy-efficient illumination. However, achieving white light emission with a 'colour temperature' that is not too blue is a ...

White light is made of a spectrum of different colours. Light can be split up into these separate colours using a prism. There are three primary colours of light, which can be combined to make ...