High luminous efficacy green light-emitting diodes with AlGaN cap layer

Abdullah I. Alhassan, Robert M. Farrell, Burhan K. SaifAddin, Asad J. Mughal, Feng Wu, Steven P. DenBaars, Shuji Nakamura, James S. Speck

Optics Express · 2016 · 88 citations · 21 references

DOIFull text

Open access

Concepts

Abstract

) the light output power was 14.3 mW, the forward voltage was 3.5 V, the emission wavelength was 526.6 nm, and the external quantum efficiency was 30.2%. These results are among the highest reported luminous efficacy values for InGaN based green light-emitting diodes.

References

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