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Proceedings Paper

White phosphorescent organic light emitting devices for lighting applications
Author(s): Brian D'Andrade; Bert Alleyne; Mike Hack; Richard Hewitt; Julie J. Brown
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Paper Abstract

Consumer display manufacturers are increasingly interested in white organic light emitting devices (WOLEDs), because these devices offer thinner display profiles, and in combination with color filters eliminate the need for high-resolution shadow masks. Additionally, WOLEDs are well suited for general-purpose illumination, since the power efficiencies of laboratory devices have surpassed that of today's commercial incandescent bulbs. In this paper, we report on an all phosphorescent 25 cm2 WOLED lighting system that achieves (31±3) lm/W at 850 cd/m2 with CIE coordinates (0.37, 0.36), and an external quantum efficiency of (29±3)%.

Paper Details

Date Published: 5 December 2006
PDF: 8 pages
Proc. SPIE 6333, Organic Light Emitting Materials and Devices X, 63330N (5 December 2006); doi: 10.1117/12.684131
Show Author Affiliations
Brian D'Andrade, Universal Display Corp. (United States)
Bert Alleyne, Universal Display Corp. (United States)
Mike Hack, Universal Display Corp. (United States)
Richard Hewitt, Universal Display Corp. (United States)
Julie J. Brown, Universal Display Corp. (United States)


Published in SPIE Proceedings Vol. 6333:
Organic Light Emitting Materials and Devices X
Zakya H. Kafafi; Franky So, Editor(s)

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