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Progress in Chemistry 2008, Vol. 20 Issue (0708): 1050-1056 Previous Articles   Next Articles

• Review •

White Organic Light Emitting Diodes Based on Combination of Fluorescence and phosphorescence

Wang Lei; Lei Gangtie** Yi Xiaohua

  

  1. (Key Laboratory of Environmentally Friendly Chemistry and Applications of Ministry of Education, College of Chemistry, Xiangtan University, Xiangtan Hunan 411105, China)
  • Received: Revised: Online: Published:
  • Contact: Lei Gangtie
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White organic light-emitting diodes (WOLEDs) have been attracting considerable attention due to their potential applications in large-area flat panel displays and solid-state light sources. In recent years, many highly efficient WOLEDs with various structures have been fabricated by combination of fluorescence and phosphorescence because this method can combine the merit of fluorescent and phosphorescence devices. In this paper, recent progress of this kind of WOLEDs is reviewed with a view to the materials, device structure and light-emitting mechanism. Some issues to be addressed and orientations to be further studied are also put forward and discussed.
Key words: white organic light emitting diodes(WOLEDs), fluorescence, phosphorescence, luminescence based on combination, device structure, light emitting mechanism

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