Organic light-emitting diodes using novel emitting amorphous molecular materials

Yasuhiko Shirota; Tetsuya Noda; Hiromitsu Ogawa

doi:10.1117/12.372705

17 December 1999 Organic light-emitting diodes using novel emitting amorphous molecular materials

Yasuhiko Shirota, Tetsuya Noda, Hiromitsu Ogawa

Proceedings Volume 3797, Organic Light-Emitting Materials and Devices III; (1999) https://doi.org/10.1117/12.372705
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1999, Denver, CO, United States

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.

Citation Download Citation

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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