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Organic Light-Emitting Diodes

  1. Y.-L. Chang,
  2. Z.-H. Lu

Published Online: 14 MAR 2014

DOI: 10.1002/047134608X.W8205

Wiley Encyclopedia of Electrical and Electronics Engineering

Wiley Encyclopedia of Electrical and Electronics Engineering

How to Cite

Chang, Y.-L. and Lu, Z.-H. 2014. Organic Light-Emitting Diodes. Wiley Encyclopedia of Electrical and Electronics Engineering. 1–15.

Author Information

  1. University of Toronto

Publication History

  1. Published Online: 14 MAR 2014

Abstract

The organic light-emitting diode (OLED) is considered the ultimate technology for displays because of its unique form factor and its ability to produce vibrant colors. It is being actively studied for use as the most desired broadband light source for next-generation solid-state lighting. Already, small active matrix OLED (AMOLED) displays have become popular in smartphones worldwide and even large-sized (55 in.) AMOLED televisions are now commercially available. The key features of OLED include high energy efficiency, high color quality, environmental friendliness, and most distinctively, an ultrathin and flexible form factor, which provides a unique opportunity for a plethora of innovative designs such as wearable screens, semitransparent displays, and lighting panels. In this article, the fundamental concepts and current status of OLEDs will be presented.

Keywords:

  • organic light-emitting diodes;
  • electroluminescence;
  • phosphorescence;
  • fluorescence;
  • excitons