Identification of White Light Emission with Two Complementary Colors in Organic Light-Emitting Devices

Jun Wang; Ya Dong Jiang; Jun Sheng Yu

doi:10.4028/www.scientific.net/AMR.284-286.2157

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 284-286Identification of White Light Emission with Two...

Identification of White Light Emission with Two Complementary Colors in Organic Light-Emitting Devices

Abstract:

Simple method of determining emission light color in organic light-emitting diodes (OLEDs) with two emissive materials from their electroluminescent (EL) spectra has been presented. The Commission Internationale de l'Eclairage (CIE) coordinates and two EL intensity rates of OLEDs can be simulated with this method. White light OLEDs were fabricated with a blue light emission from 4,4'-bis[N-1-napthyl-N-phenyl-amino]biphenyl (NPB) and a yellow light emission from bis[2-(4-tert-butylphenyl)benzothiazolato-N,C2’]iridium (acetylacetonate) [(t-bt)2Ir(acac)], and the device shows the CIE coordinates of (0.34, 0.32) at 10 V bias, which located in white light region.

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Periodical:

Advanced Materials Research (Volumes 284-286)

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2157-2160

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.284-286.2157

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Online since:

July 2011

Authors:

Jun Wang, Ya Dong Jiang, Jun Sheng Yu

Keywords:

Complementary Color, Iridium Complex, Organic Light-Emitting Device, White Light

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