Research Article

SILAR-Based Application of Various Nanopillars on GaN-Based LED to Enhance Light-Extraction Efficiency

Figure 4

(a) I-V curves of GaN-based LEDs with and without nanopillar SiO2. (b) Light output current characteristics of GaN-based LEDs with and without nanopillars.
653981.fig.004a
(a)
653981.fig.004b
(b)