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High-Efficient Non-Doped Type White Organic Light-Emitting Devices Using an Electron/Exciton Blocker

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Abstract:

Non-doped type white organic electroluminescent (EL) devices have the following structure ITO/m-MTDATA (30nm) /NPB (20-dnm) /rubrene (0.1nm) /NPB (dnm) /DPVBi (20nm) /TPBi (20nm) /Alq (10nm) /LiF/Al were fabricated. The EL spectrum of the devices are dependent on the d and when d=3, the CIE coordinates of the device were well within the white region for voltage raging from 3V to 15V. This device has a luminance of 18950cd/m2 at 15V and maximum power efficiency of 5.65cd/A at 6V.

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Periodical:

Materials Science Forum (Volumes 475-479)

Pages:

1799-1804

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.475-479.1799

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Online since:

January 2005

Authors:

Wenfa Xie, Shi Yong Liu

Keywords:

Non-Doped Type, Organic Electroluminescent Devices, White

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© 2005 Trans Tech Publications Ltd. All Rights Reserved

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