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학술지 Colored Semi-Transparent Organic Light-Emitting Diodes
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저자
성우진, 이종희, 주철웅, 조남성, 이현구, 이가원, 이정익
발행일
201412
출처
Journal of Information Display, v.15 no.4, pp.177-184
ISSN
1598-0316
출판사
한국정보디스플레이학회
DOI
https://dx.doi.org/10.1080/15980316.2014.951414
협약과제
14PB2200, AMOLED TV용 soluble TFT 및 화소 형성 소재/공정 기술 개발, 이종희
초록
Semi-transparent, colored organic light-emitting diodes (OLEDs) were demonstrated by comprising a microcavity-embedded structure that uses an organic layer sandwiched between thin metal layers as the cathode. Without bias, the colored OLEDs exhibited various colors depending on the metal/organic/metal cathode configuration, by means of internal interference effects under ambient illumination. By varying the thickness of the organic layer, the transmittance and reflectance of the colored OLEDs could be controlled. The influence of the microcavity cathode on the light-emitting performances of OLEDs, such as the efficiencies and the electroluminescence spectra, was also studied.
키워드
bidirectional OLED, Fabry?밣챕rot resonator, MOM top electrode, transparent OLED
KSP 제안 키워드
Electroluminescence spectra, Embedded structure, Interference effects, Metal cathode, Organic layers, Organic light-emitting diodes(OLEDS), Semi-transparent, Various colors, ambient illumination, internal interference, light-emitting diode(LED)