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Blue Organic Light-Emitting Diodes Based on Diarylamino-Substituted Stilbene Derivatives
- Issue Date
- 2012
- Publisher
- TAYLOR & FRANCIS LTD
- Keywords
- Blue fluorescent dopant; buchwald-hartwig cross-coupling; electroluminescence; OLEDs; stilbene derivatives
- Citation
- MOLECULAR CRYSTALS AND LIQUID CRYSTALS, v.563, pp.195 - 205
- Journal Title
- MOLECULAR CRYSTALS AND LIQUID CRYSTALS
- Volume
- 563
- Start Page
- 195
- End Page
- 205
- ISSN
- 1542-1406
- Abstract
- A series of diarylamino-substituted stilbene derivatives with various aromatic system were synthesized. multilayered OLEDs with the configuration of ITO/NPB (700 angstrom)/ADN: blue dopants 1-5 (300 angstrom: 2 %)/Alq3 (300 angstrom)/Liq (10 angstrom)/Al were fabricated. All devices showed the efficient blue emissions. Among these devices, the devices using 4,4'-bis(9,9-diethylfluoren-2-yl-3,5-di-tert-butylphenylamino)stilbene 4 as a dopant exhibited blue emission with the luminance of 12590 cd/m(2), the luminous efficiency of 9.10 cd/A at 20 mA/cm(2), the power efficiency of 3.73 lm/W at 20 mA/cm(2), and the CIE coordinates of (0.155, 0.195) at 10.0 V.
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Related Researcher
- Kim, Young Kwan
- Engineering (Applied Science)