Research Article

Fabrication of Light Extraction Efficiency of Organic Light-Emitting Diodes with 3D Aspherical Microlens by Using Dry Etching Process

Figure 4

The results with different parameters of dry etching process: (a) the 1st experiment with oxygen concentration of 10 sccm, (b) the 2nd experiment with oxygen concentration of 5 sccm, (c) the 3rd experiment with oxygen concentration of 1 sccm, and (d) the 4th experiment without oxygen.
797534.fig.004a
(a)
797534.fig.004b
(b)
797534.fig.004c
(c)
797534.fig.004d
(d)