They’re in your phone, TV, car headlights, remote controls—even traffic lights. LEDs (Light Emitting Diodes) are everywhere.

Chinese researchers have achieved a world record in perovskite light-emitting diodes by constructing an all-perovskite tandem LED device and innovatively proposing the use of interlayer photon ...

Scientists have paved the way to create a green alternative for the light-emitting materials often used display technologies.

Should you spend some time around the less scientifically informed parts of the internet, it’s easy to find “Free power” stories. Usually they’re some form of perpetual ...