LED internal quantum efficiency and electro-optical efficiency principle and calculation
Date:2011-11-29 17:29
Status:Close
Question:ningcuidi
LED forward voltage is applied on the PN junction, PN junction current. Electronic and hole in PN knot transition layer in the composite will produced Photon, however is not each on electronic and hole will produced Photon, due to LED of PN knot as impurities semiconductor, exists with material quality, and bit wrong factors and technology Shang of various defects, will produced impurities ionization, and fired scattering and lattice scattering, problem, makes electronic from fired State jumpe
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