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, rc and out are the fraction of injected charges that form excitons, the ratio of the radiatively recombined excitons under operational conditions and the light out-coupling efficiency, respectively

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Idet() is detected optical intensity at wavelength between and d, V is applied voltage, h is Plank¡¯s constant, q is electronic charge and c is speed of light in vacuum.

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L0 is the initial brightness and n is the acceleration factor

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