Directly measureable quantity of radiative output in LED's is total forward current. When applied forward voltage is below 1.05 V the forward current is primarily nonradiative and varies with forward voltage as exp(qV/2kT), when q is the charge, V is applied voltage, K is Boltzmann's constant, and T is operating temperature.
Determination of radiative current in LED's
NASA Tech Briefs ; 1 , 1
1976-03-01
Miscellaneous
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English
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