Schematic diagrams of an (a) conventional LED, (b) TI-LED, (c) NR-LED, and (d) TN-LED.
Tilted SEM images of (a) the textured ITO layer and (b) the formed nanorods on n-GaN around the mesa region.
(a) I-V curves and (b) L-I curves of the conventional LED, the LED with textured ITO, the LED with formed nanorods at n-GaN, and the LED with etched both of them (after packaging).
Polar radiation pattern of the conventional LED and three kinds of LEDs (measured by chip form).
(Color online) EL emission images of (a) conventional LED and (b) TN- LED operated at injected current of 20 mA.
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