I outfitted my computer with tons of blue LED fans, and I kept it on at night, right next to my bed. Shortly after, I realized my sleep patterns were changing. While I wasn’t staying awake any ...

the highly energy-efficient LED lamps contribute to saving the Earth's resources," according to the assembly. TV, Computer and Phone Screens Without blue LEDs, televisions, computers, and phones ...

Indeed, soon green and other colors joined the LED revolution, but not blue. Although some dim prototypes existed, none of them were practical enough to be considered for commercialization.