Fig. 4From: Vertical-Injection AlGaInP LEDs with n-AlGaInP Nanopillars Fabricated by Self-Assembled ITO-Based Nanodots a Variation of the light output power as a function of the applied current for the AlGaInP-based VI-LEDs with/without the n-AlGaInP nanopillars having different heights. The inset shows the current-voltage curves of the AlGaInP-based VI-LEDs with/without the nanopillars with different heights. b Far-field emission patterns for the VI-LEDs with/without the nanopillars with different heightsBack to article page