What Is A Light-Emitting Diode? A light-emitting diode (LED) is a semiconductor device that emits light when an electric current flows through it. LEDs function by converting electrical current into ...

A new OLED design can stretch dramatically while staying bright, solving a problem that has long limited flexible displays.

The organic light-emitting diode (OLED) technology behind flexible cell phones, curved monitors, and televisions could one ...

The generation of excess electron spin in semiconductors can provide extra information for logic operations, and is essential to many spin-based technologies. But it’s difficult to inject spin from ...