LED - A semiconductor diode, generally made from gallium arsenide, that can serve as an infrared or visible light source when voltage is applied continuously or in pulses.
A miniature low-voltage light source used for status lights because it emits light with no significant amount of heat.
One that provides light when excited by an electric current.
A semiconducting device that emits light when electric current is applied. They are sometimes used in arrays to make visual display devices, each diode forming a single pixel of the display.
A PN-junction diode that emits visible light when it is forward biased. Depending on the material used to make the diode, the light may be red, green, or amber.
(sc) a semiconductor device in which the energy of minority carriers in combining with holes is converted to light.
A semiconductor device through which current can go in only one direction to produce a visible light that acts as an indicator.
an electronic component in which electric current is converted directly into visible or infrared light
diode such that light emitted at a p-n junction is proportional to the bias current; color depends on the material used
a diode which, when forward biased, produces visible light
a semiconductor device which emits light when an electrical current flows through it
a semiconductor diode that converts electrical energy into light when an alternating current is applied
A light-emitting diode (LED) is a solid-state semiconductor device that converts electrical energy directly into light.
A semiconductor diode that emits light when a current is passed through it..
A semiconductor diode that emits incoherent, but chromatically pure light at the junction between p- and n-doped materials. LEDs emit light by spontaneous emission.
A device that glows when an electric current passes through it, status lights on a computer are often LED's.
A semiconductor diode that spontaneously emits light from the pn junction when forward current is applied.
A type of diode that emits light when forward current flows.
A semiconductor that emits incoherent light when forward biased. Two types of LED's include edge-emitting LED's and surface-emitting LED's (illustrated).
n. A semiconductor device that converts electrical energy into light, used, for example, for the activity lights on computer disk drives. Light-emitting diodes work on the principle of electroluminescence and are highly efficient, producing little heat for the amount of light output. Acronym: LED.
A semiconductor diode that converts electric energy into electromagnetic radiation at a visible and near infrared frequencies when its pn junction is forward biased.
A light-emitting diode (LED) is a semiconductor device that emits incoherent narrow-spectrum light when electrically biased in the forward direction. This effect is a form of electroluminescence. LEDs are small extended sources with extra optics added to the chip, which emit a complex intensity spatial distribution http://www.opticsinfobase.org/abstract.cfm?URI=IODC-2006-TuD6.
