High-Efficiency White Organic Light-Emitting Devices Based on Multiple Quantum-Well Structure

Chin. Phys. Lett.

2004, Vol. 21

Issue (3): 534-536 DOI:

Original Articles

High-Efficiency White Organic Light-Emitting Devices Based on Multiple Quantum-Well Structure

DUAN Yu;HOU Jing-Ying;WU Zhi-Jun;CHENG Gang;ZHAO Yi;LIU Shi-Yong

National Laboratory of Integrated Optoelectronics, Jilin University, Changchun 130023

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DUAN Yu, HOU Jing-Ying, WU Zhi-Jun et al 2004 Chin. Phys. Lett. 21 534-536

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Abstract We report the white organic-light devices (WOLEDs) employing a multiple quantum-well (MQW) structure, which consist of alternate layers of 4,48-bis(2,28-diphenylvinyl)-1,18-biphenyl (DPVBi) and (DPVBi:rubrene) as the potential barrier and the potential well, respectively. The results demonstrate that the MQW structure can prominently increase the performance of WOLEDs; the double quantum well device exhibits the efficiency up to 5.4 cd/A, and yields a peak luminance of 14206 cd/m². It is also interesting to find that the MQW structure can enhance the colour stability of WOLEDs at different voltages.

Keywords: 73.61.Ph 78.60.Fi

Published: 01 March 2004

PACS:	73.61.Ph	(Polymers; organic compounds)
	78.60.Fi	(Electroluminescence)

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y2004/V21/I3/0534

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	DUAN Yu
	HOU Jing-Ying
	WU Zhi-Jun
	CHENG Gang
	ZHAO Yi
	LIU Shi-Yong

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