Record-efficiency light-emitting diodes ■
P. Heremans, P. Heremans, P. Heremans, Reiner Windisch, Reiner Windisch, Reiner Windisch,
Maarten Kuijk,
Maarten Kuijk,
Maarten Kuijk, Barun Dutta, Barun Dutta, Barun Dutta, Gustaaf Borghs, Gustaaf Borghs, Gustaaf Borghs
We review the operation principle of Non-Resonant Cavity Light-Emitting Diodes. These are LEDs placed in a cavity comprising one textured surface. We show unpackaged and un-lensed LEDs that, by using this principle, have an external quantum efficiency of 36\%