In its simplest form, an LED is a forward-biased p-n junction, emitting light through spontaneous emission, a phenomenon referred to as electroluminescence.
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Upon returning to light emitting diodes, demonstrating that the light emission phenomenon was injection electroluminescence and that the frequency response was sufficiently fast to permit video display applications.
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The term " solid state " refers commonly to light emitted by solid-state electroluminescence, as opposed to incandescent bulbs ( which use thermal radiation ) or fluorescent tubes.
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One example : Technology first developed to make Trident missiles impervious to clouds of radiation amid a nuclear war was adapted for chips used in a growing array of products employing electroluminescence.
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This technique allows the characterization of different aspects of photovoltaic cells : external quantum efficiency with the help of photoluminescence and electroluminescence hyperspectral measurements combined with a spectral and photometric absolute calibration method.
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"' Printed Segmented Electroluminescence "'( pSEL ) is a technology ( developed by UK company MFlex, formerly known as Pelikon ) that builds on the phenomenon of electroluminescence.
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"' Printed Segmented Electroluminescence "'( pSEL ) is a technology ( developed by UK company MFlex, formerly known as Pelikon ) that builds on the phenomenon of electroluminescence.
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In the period of 1924 and 1941, he published a number of articles detailing the function of a solid-state light source that he developed, which would generate light by electroluminescence.
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The x-y coordinate of the event is inferred from electroluminescence photons at the top array by statistical methods ( Monte Carlo and maximum likelihood estimation ) to a resolution under 1 cm.
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A much higher electric field above the liquid surface pulls the electrons out of the liquid and into the gas, where they produce electroluminescence photons ( in the same way that neon sign produces light ).
