AlGaInP/GaP LED An AlGaInP/GaP LED emits at 607 nm wavelength. At this wavelength, the photopic luminous efficiency function has a value of v(2)= 0.54113. The LED operates at 2.1 V and current injection of 20 mA, which achieves a generation of photon flux = 1.34 × 10¹6 s−¹. Estimate following questions: a) What is the external quantum efficiency of the LED? b) Power conversion efficiency of LED can be estimated from the ratio of optical power emission from the LED to the electrical power consumed by the LED. What is the power conversion efficiency of this LED? c) Estimate Luminous flux of the LED, when km= 683 lm/W.

AlGaInP/GaP LED An AlGaInP/GaP LED emits at 607 nm wavelength. At this wavelength, the photopic luminous efficiency function has a value of v(2)= 0.54113. The LED operates at 2.1 V and current injection of 20 mA, which achieves a generation of photon flux = 1.34 × 10¹6 s−¹. Estimate following questions: a) What is the external quantum efficiency of the LED? b) Power conversion efficiency of LED can be estimated from the ratio of optical power emission from the LED to the electrical power consumed by the LED. What is the power conversion efficiency of this LED? c) Estimate Luminous flux of the LED, when km= 683 lm/W.