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Proceedings Paper

Considerations in device design and materials selection in organic light emitting diodes
Author(s): Z. B. Wang; M. G. Helander; J. Qiu; Y. L. Chang; L. Chai; D. Puzzo; Z. M. Hudson; S. Wang; Z. H. Lu
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Paper Abstract

The development of high performance organic light emitting diodes (OLEDs) for display and lighting applications has attracted considerable research interest from both academia and industry. In this work, the designs of simplified phosphorescent OLEDs with exceptionally high efficiency are discussed. It is found that discrete blocking layers and a double emission zone are unnecessary to achieve high efficiency in optimized phosphorescent OLEDs. Due to the elimination of these redundant layers, the device structure can be highly simplified. It is also shown that single-layer, two organic component devices are feasible with state-of-the-art efficiency.

Paper Details

Date Published: 13 September 2012
PDF: 7 pages
Proc. SPIE 8476, Organic Light Emitting Materials and Devices XVI, 84760E (13 September 2012); doi: 10.1117/12.928187
Show Author Affiliations
Z. B. Wang, Univ. of Toronto (Canada)
M. G. Helander, Univ. of Toronto (Canada)
J. Qiu, Univ. of Toronto (Canada)
Y. L. Chang, Univ. of Toronto (Canada)
L. Chai, Univ. of Toronto (Canada)
D. Puzzo, Univ. of Toronto (Canada)
Z. M. Hudson, Queen's Univ. (Canada)
S. Wang, Queen's Univ. (Canada)
Z. H. Lu, Univ. of Toronto (Canada)

Published in SPIE Proceedings Vol. 8476:
Organic Light Emitting Materials and Devices XVI
Franky So; Chihaya Adachi, Editor(s)

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