Investigated nano‐pillar‐based light extraction methods for OLEDs. Explored photosensitive photopolymer (SU‐8) based random nanostructure's impact on light extraction efficiency. Achieved 85% visible spectrum transmittance, highest efficiency with minimal unetched structure thickness. Compared to OLEDs lacking nano‐pillar structure, saw up to 38% improved quantum efficiency and 40% enhanced power efficiency. Insights aid in optimizing these structures for OLED advancement.
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Choi et al. (2024) studied this question.
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