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학술지 Controlling the Optical Efficiency of the Transparent Organic Light-Emitting Diode using Capping Layers
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저자
이주원, 이종희, 추혜용, 이정익
발행일
201306
출처
Journal of Information Display, v.14 no.2, pp.57-60
ISSN
1598-0316
출판사
한국정보디스플레이학회
DOI
https://dx.doi.org/10.1080/15980316.2013.783512
협약과제
12VB1300, 에너지 절감을 위한 7인치기준 2W급 환경적응 디스플레이 신모드 핵심 원천 기술 개발, 추혜용
초록
The performance of transparent organic light-emitting diodes (TOLEDs) that use a combination of organic and inorganic capping layers (CLs) is reported. The first organic layer on top of the transparent cathode was used to increase the light output of the normally directed emission toward the top direction. The second layer, which had high-refractive-index inorganic materials on top of the first organic layer, was used as a reflector to enhance the efficiency of the bottom direction by taking advantage of the discrepancy in the refractive index against the air. By incorporating these CLs, control of the optical properties of the TOLEDs was achieved to allow the application of the transparent lighting-source. © 2013 Copyright The Korean Information Display Society.
키워드
capping layer, organic light-emitting diodes, reflection, refractive index
KSP 제안 키워드
Capping layer, Information Display, Inorganic material, Organic layers, Organic light-emitting diodes(OLEDS), Organic-inorganic, Transparent cathode, light output, light-emitting diode(LED), optical efficiency, optical properties