Light can be produced and/or controlled electronically in a number of ways. Among the widely used of all the different types of semiconductor diodes are the Light Emitting Diodes or LEDs. It is a PN ...

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 ...

Living bacteria embedded in silicone can absorb green LED light and re-emit it as red, offering a potential sustainable ...

A new type of OLED can generate left- or right-handed circularly polarized light from just one form of light-emitting ...

Have you been holding out making the switch from traditional compact fluorescent light bulbs (CFLs) or incandescent to light-emitting diode (LED)? If you are not sure if it makes sense for your home, ...