Fig. 1. Structure diagram of the Micro-RCLED

Fig. 2. Top view micrograph of Micro-RCLED. (a) After AlAs lateral oxidation; (b) after removing P-electrode; (c) enlargement of Fig. (b)

Fig. 3. V-I and IdV/dI-I curves for units Micro-RCLED

Fig. 4. Brightness of the Micro-RCLED at different working currents

Fig. 5. Optical power and external quantum efficiency as function of the Micro-RCLED driving current

Fig. 6. Room temperature electroluminescence spectrum of the Micro-RCLED at different currents