light-emitting diode


Also found in: Dictionary, Thesaurus, Encyclopedia, Wikipedia.

light-emitting diode (LED),

n a semiconductor device that produces light when activated with an electrical current.
References in periodicals archive ?
Simple in design and construction, the tilted-charge light-emitting diode offers an attractive alternative for use in high-speed signal processing, optical communication systems and integrated optoelectronics," said Nick Holonyak Jr.
Light-emitting diodes that include two-dimensional, photonic crystals have a similar structure, he notes.
In the past year or so, organic light-emitting diodes have appeared in a handful of products, such as the tiny screens in some cell phones and digital cameras.
The light-emitting diode is one of the semiconductor diodes, which can turn electrical energy into luminous energy and emit visible light in various colors, such as yellow, green, blue, etc, as well as invisible light, such as infrared and ultraviolet light.
Add a sprinkle of light-emitting diodes and a pinch of tiny, cuplike casings.
A catalog of products is available just a click away: LEDs, infrared (IR) components, high-power laser (HPL) products, organic light-emitting diode (OLED) displays, and a wide range of LED displays for indoor and outdoor applications.
in Lafayette, LA, has found that following radiotherapy for breast cancer, exposing women to low energy non-thermal light-emitting diode (LED) photomodulation can significantly reduce painful, treatment interrupting skin reactions.
Novaled AG is engaged in the research, development and commercialization of organic light-emitting diode (OLED) technologies and proprietary materials.
Moratti, both at the University of Cambridge in England, have produced a light-generating polymer with high enough efficiency to be useful as a light-emitting diode (LED).
OLED stands for "organic light-emitting diode," a display device that sandwiches carbon-based films between two charged electrodes, one a metallic cathode and one a transparent anode, usually being glass.