Abstract

Top-emitting white organic light-emitting devices (TEWOLEDs) with 1D metallic–dielectric photonic crystal (1D MDPC) as an anode are investigated. A quasi-periodic 1D MDPC anode allowed for fabrication of multiple-peak TEWOLEDs. A two-peak or three-peak TEWOLED was obtained by simply adjusting the thickness of the dielectric layers in the MDPC. The efficiency of the TEWOLEDs are comparable to the corresponding bottom WOLED (11.1cdA), which are 9.9 (two-peak device) and 9.4cdA (three-peak device), respectively, and the contrast of the TEWOLEDs is about twice as high as the bottom device owing to the low reflection of the anode.

© 2009 Optical Society of America

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