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논문 기본 정보
- 자료유형
- 학술대회자료
- 저자정보
- 저널정보
- 한국정보디스플레이학회 한국정보디스플레이학회 International Meeting 한국정보디스플레이학회 2008년도 International Meeting on Information Display
- 발행연도
- 2008.1
- 수록면
- 1,418 - 1,420 (3page)
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초록· 키워드
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In this paper, the light emitting efficiency, spectrum, and the lifetime of the phosphorescent devices, whose emission characteristics are strongly dominated not only by the energy transfer but also by the charge carrier trapping induced by the emissive dopant, are explained by differences in the energy levels of the host, dopant, and nearby transport layers. On the basis of our finding on device performance and photocurrent measurement data by time-of-flight (TOF), we investigated the effect of the difference of carrier trapping dopant and properties of the host materials on the efficiency roll-off of phosphorescent organic light emitting diode (OLED), along with a physical interpretation and practical design scheme, such as a multiple host system, for improving the efficiency and lifetime of devices.
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Device characteristics of blue phosphorescent organic light-emitting diodes depending on the electron transport materials
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Stable efficiency roll-off in blue phosphorescent organic light-emitting diodes using a mixed host structure
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New polymeric host material for efficient organic electro phosphorescent devices
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Efficient and color stable phosphorescent White Organic light emitting devices using ultra wide band gap host materials
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Performance and Applications of High Efficiency Phosphorescent OLED Technology
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Novel host and electron blocking materials for efficient and long lifetime phosphorescent OLEDs
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