Using XXXXXXXXXXthrough XXXXXXXXXXand the latest LED growth technologies, design an AlGaInP red LED that could yield an external quantum efficiency of 50% or higher. High-power white LEDs are in great...

Using (13.23) through (13.26) and the latest LED growth technologies, design an AlGaInP red LED that could yield an external quantum efficiency of 50% or higher. High-power white LEDs are in great demand for lighting use in homes and offices. Describe two or three approaches that could be used to produce high-efficiency white LED solid-state lamps.