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Proceedings Paper

Novel material for blue organic light-emitting diode
Author(s): Weiling Guo; E. Herbert Li; ChiMing Che; Yi Zhao; Shiyong Liu
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Paper Abstract

A novel blue organic light emitting diode is fabricated based on a new organic material. Dipyrrole3, which can emit a pure blue light. The Dipyrrole3 is used as a dopant and is doped into an electron-transporting hose. NPB is used as the hole transport layer. The device consists structure or ITO/NPB/Begg2:Dipyrrole3 (100:5)/BePP2/LiF/Al. It shows a bright blue light emission layer at 451nm and 480nm, the full width at half maximum is 61nm. The maximum luminescence is 2600cd/m2 at a voltage of 20V. The peak power efficiency is 0.7651m/W at a voltage of 7V.

Paper Details

Date Published: 11 July 2000
PDF: 5 pages
Proc. SPIE 4078, Optoelectronic Materials and Devices II, (11 July 2000); doi: 10.1117/12.392154
Show Author Affiliations
Weiling Guo, Univ. of Hong Kong (Hong Kong)
E. Herbert Li, Univ. of Hong Kong (United States)
ChiMing Che, Univ. of Hong Kong (Hong Kong)
Yi Zhao, Jilin Univ. (China)
Shiyong Liu, Jilin Univ. (China)


Published in SPIE Proceedings Vol. 4078:
Optoelectronic Materials and Devices II
Yan-Kuin Su; Pallab Bhattacharya, Editor(s)

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