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학술대회 Highly Efficient Transparent Organic Light Emitting Diodes with an Internal Random Nano-Structured Scattering Layer
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저자
이정익, 주철웅, 허진우, 신진욱, 조두희, 문제현, 박승구, 황주현, 조남성, 이종희, 한준한, 추혜용
발행일
201406
출처
Society for Information Display (SID) International Symposium 2014, v.45 no.1, pp.750-753
ISSN
0097-966X
DOI
https://dx.doi.org/10.1002/j.2168-0159.2014.tb00197.x
협약과제
14PB1200, 에너지 절감을 위한 외광효율이 최대 100% 향상된 OLED용 광추출 기초 원천기술 개발, 이정익
초록
We suggest a new approach to improve both out-coupling efficiency and spectrum independency on viewing angle in transparent OLEDs by introducing a random nano-structured scattering layer where the waveguide mode can be minimized between the glass substrate and the ITO layer. As a result, total efficiency was remarkably enhanced in transparent OLEDs and we have achieved 52.6 lm/W with CRI 80 with over 50% of transmittance using the random nano-structured scattering layer. © 2014 Society for Information Display.
키워드
light extraction, lighting, nano structure, OLED, scattering, transparent
KSP 제안 키워드
Glass substrate, Information Display, Nano-structured, New approach, Organic light-emitting diodes(OLEDS), Scattering layer, Waveguide mode, highly efficient, light extraction, light-emitting diode(LED), out-coupling efficiency