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학술지 A Facile Route to Efficient, Low-Cost Flexible Organic Light-Emitting Diodes: Utilizing the High Refractive Index and Built-In Scattering Properties of Industrial-Grade PEN Substrates
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저자
김은혜, 조현수, 김규현, 고태욱, 정진, 이종희, 박용근, 유승협
발행일
201503
출처
Advanced Materials, v.27 no.9, pp.1624-1631
ISSN
0935-9648
출판사
John Wiley & Sons
DOI
https://dx.doi.org/10.1002/adma.201404862
협약과제
14PB2200, AMOLED TV용 soluble TFT 및 화소 형성 소재/공정 기술 개발, 이종희
초록
An industrial-grade polyethylene naphthalate (PEN) substrate is explored as a simple, cost-effective platform for high-efficiency organic light-emitting diodes (OLEDs). Its high refractive index, combined with the built-in scattering properties inherent to the industrial-grade version, allows for a signifi cant enhancement in outcoupling without any extra structuring or special optical elements. Flexible, color-stable OLEDs with efficiency close to 100 lm W-1 are demonstrated. (Figure Presented)
키워드
Bulk scattering, High-refractive-index substrates, Light extraction, Organic light-emitting diodes (OLEDs), Polyethylene naphthalate
KSP 제안 키워드
Built-in, Low-cost, Optical element, Organic light-emitting diodes(OLEDS), PEN substrates, Polyethylene naphthalate, cost-effective, facile route, high efficiency, high refractive index, light extraction