light-emitting diode

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light-emitting diode (LED),

n a semiconductor device that produces light when activated with an electrical current.
References in periodicals archive ?
The modulation speed of either a light-emitting diode or a light-emitting transistor is limited by the rate at which electrons and holes (the minus and plus charges - the carriers of current) recombine.
have now devised a way to enhance the electronic and optical properties of a polymer that is widely used for making organic light-emitting diodes.
Among the topics are organic light-emitting devices and their applications for flat-panel displays, organic small-molecule materials for organic light-emitting diodes, polarized light emission from light-emitting diodes, vapor-deposited organic light-emitting devices, and microstructural characterization and performance measurements.
Contract notice: Light-emitting Diodes (LED) Lighting.
SSL is a type of energy-efficient lighting, using semiconductor light-emitting diodes (LEDs), organic light-emitting diodes (OLED), or polymerlight-emitting diodes (PLED) as sources of illumination.