Fully Substituted Ethylene as a New Class of Efficient Sky-Blue Emitting Materials for OLEDs

We synthesized new blue and bluish green emitting materials by using fully substituted ethylene moieties. Multi-layered EL devices were fabricated with synthesized materials and evaluated in terms of emission color and luminescence efficiency. TBBPE[EML 2] device showed bluish-green CIE value of (0....

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Published inJournal of Information Display Vol. 8; no. 1; pp. 10 - 13
Main Authors Kim, Soo-Kang, Park, Young-Il, Park, Jong-Wook, Kim, Kyung-Soo, Choi, Cheol-Kyu, Lee, Sang-Do
Format Journal Article
LanguageKorean
Published 2007
Subjects
fully substituted ethylene
electroluminescence
blue emitting materials
OLED
McMurry reaction
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Summary:We synthesized new blue and bluish green emitting materials by using fully substituted ethylene moieties. Multi-layered EL devices were fabricated with synthesized materials and evaluated in terms of emission color and luminescence efficiency. TBBPE[EML 2] device showed bluish-green CIE value of (0.236, 0.412) and 5.02cd/A at $10mA/cm^2$. BPBBPE[EML 3] device also showed sky-blue CIE value of(0.218, 0.355) and 2.31cd/A at $l0mA/cm^2$.
Bibliography:KISTI1.1003/JNL.JAKO200724282635847
ISSN:1598-0316
2158-1606