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Improvement of viewing angle dependence of bottom-emitting green organic light-emitting diodes with a strong microcavity effect
저자
Kim N.S.,Kim D.Y.,Song J.H.,Suh M.C.
학술지명
Optics Express
출판/발행연도
2020
주제
요약
본 연구는 마이크로 캐비티 구조를 갖는 녹색 OLED의 시야각 의존성을 개선하기 위해 정공 수송층 및 반투명 애노드의 두께를 조절하고, 나노 섬 배열(NIA)을 도입하여 색 좌표 이동을 감소시키는 방법을 제시합니다. 광학 시뮬레이션 결과, 두 층의 두께 조절을 통해 전류 효율과 시야각 특성을 동시에 개선할 수 있었으며, NIA 도입으로 색 좌표 이동 값을 더욱 줄여 130.7 cd/A의 전류 효율을 달성했습니다.
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