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Conference Paper
OLED 조명을 위한 백색 OLED 기술
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- Issue Date
- 2010-06
- Citation
- 대한전자공학회 종합 학술 대회 (하계) 2010, pp.1980-1983
- Publisher
- 대한전자공학회
- Language
- Korean
- Type
- Conference Paper
- Abstract
- White organic light emitting diode for lighting application has been studied based on phosphorescence and/or blue fluorescence materials. We have successfully achieved highly efficient white phosphorescent OLED with 46 ㏐/W using all phosphorescent materials. We also developed hybrid white OLED with combining blue fluorescence materials and green/red phosphorescence materials. When we introduced external light extraction film, the power efficacies reached up to 74 and 43 ㏐/W. We have also fabricated transparent white OLEDs with cooperating a transparent cathode, and then 24 ㏐/W of power efficacy has been achieved together with 60% of transparency and over 80 color rendering index (CRI).
- KSP Keywords
- Color rendering index, External light, Fluorescence materials, Organic light-emitting diodes(OLEDS), Phosphorescent materials, Red phosphorescence, Transparent cathode, White organic light-emitting diodes, blue fluorescence, highly efficient, light extraction