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17 December 1999 Organic light-emitting diodes using novel emitting amorphous molecular materials
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Abstract
Recent results on the creation of novel emitting amorphous molecular materials and fabrication of blue or multi-color emitting organic light-emitting diodes (OLEDs) are described. It is shown that tri(p-terphenyl-4-yl)amine functions not only as a blue-emitting material with hole-transporting properties but also as a good host matrix for fluorescent dopants such as perylene. 5,5'-Bis(dimesitylboryl)-2,2'-bithiophene (BMB-2T) and bis{4-[bis(4-methylphenyl)amino]phenyl}- (alpha) -oligothiophene (BMA-nT) [n equals 1 to approximately 4)] are found to be a good blue-emitting amorphous molecular material with electron-transporting properties and good multi-color emitting amorphous molecular materials with hole-transporting properties, respectively, for OLEDs. Exciplex formation at the organic solid interface between the hole- and electron-transporting materials and its potential application for color tuning are also described.
© (1999) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Yasuhiko Shirota, Tetsuya Noda, and Hiromitsu Ogawa "Organic light-emitting diodes using novel emitting amorphous molecular materials", Proc. SPIE 3797, Organic Light-Emitting Materials and Devices III, (17 December 1999); https://doi.org/10.1117/12.372705
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