Blue Electroluminescent Devices Using the Dye Doped Polymers as
Emitter and the Organic Molecule Film as Hole Blocking Layer

Chin. Phys. Lett.

1995, Vol. 12

Issue (6): 381-384 DOI:

Original Articles

Blue Electroluminescent Devices Using the Dye Doped Polymers as Emitter and the Organic Molecule Film as Hole Blocking Layer

MA Yuguang;WU Jun^*;XUE Shanhua^*;TIAN Wenjing;LIU Shiyong^*;SHEN Jiacong

Key Laboratory of Molecular Spectra and Structure, and ^*National Laboratory of Integrated Optic Electronics, Jilin University, Changchun 130023

Cite this article:

MA Yuguang, WU Jun, XUE Shanhua et al 1995 Chin. Phys. Lett. 12 381-384

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Abstract By placing a hole blocking layer between the polymer and the metallic electrode, we have achieved improved efficiencies for blue electroluminescent devices fabricated with poly (N-vinylcarbazole) doped with 1, 1, 4, 4, -tetraphenyl-1, 3-butadiene as the emitter layer and with aluminum and indium/tin-oxide as the electron and hole injecting electrodes. This bilayer device yields bright blue emission having intensity of 300cd/m², in same case the devices without hole blocking layer have luminance of only 44 cd/m².

Keywords: 78.60.Fi 81.20.Sh

Published: 01 June 1995

PACS:	78.60.Fi	(Electroluminescence)
	81.20.Sh

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y1995/V12/I6/0381

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	MA Yuguang
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