Fig. 10. (Color online) Electric field profiles in the glass substrate, the anti-reflective structure layer and the air of (a) a basic OLED, (b) OLED+cone, (c) OLED+parabola, and (d) OLED+R-parabola structures.

New Phys.: Sae Mulli 2022;72:688~697 https://doi.org/10.3938/NPSM.72.688

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