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Calculation of the external quantum efficiency of light emitting diodes with different chip designs

โœ Scribed by T. V. Cuong; H. S. Cheong; C.-H. Hong

Publisher
John Wiley and Sons
Year
2004
Tongue
English
Weight
137 KB
Volume
1
Category
Article
ISSN
1862-6351

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Spectra and quantum efficiency h e of green LEDs based on heterostructures InGaN/AlGaN/GaN with multiple quantum wells were studied at currents J = 10 ยฑ ยฑ6 to 10 ยฑ ยฑ1 A. Minor differences in h e (of AE10% at J % 10 mA) are caused by sufficiently different distributions of effective charges in the sp