POWER AND SYRED / SCIENCE PHOTO LIBRARY POWER AND SYRED / SCIENCE PHOTO LIBRARY
Light-emitting diode (LED), coloured scanning electron micrograph. This is a semiconductor that emits light when a current passes through it. LEDs are used extensively in electrical devices and circuit boards to indicate the presence of a voltage. Magnification: x5 at 5x7cm size.
Model release not required. Property release not required.