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High efficient and high color rendering index white organic light-emitting diodes

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We have fabricated high-efficient white organic light-emitting diodes (WOLEDs) using two types of electron transport materials with different electron mobility.The effect of the electron mobility on the device performance is discussed.In addition,to generate the desired white emission and high color rendering index,we perform the structure design of OLED,in which the functions of co-host of blue and green dopants on chromatic-stability are investigated.Experimental results find that the maximum color rendering index reaches as high as 91 at the voltage of 8 V.

white organic light emitting diodes (WOLEDs)charge balanceenergy transfercolor rendering index

ZHANG Min-yan、SHANG Yu-zhu、XU Hong、LU Yan-fang、YU Jian-ning、WEI Bin

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School of Materials Science and Engineering, Shanghai University, Shanghai 200072, P. R. China

Key Laboratory of Advanced Display and System Application(Shanghai University), Ministry of Education, Shanghai 200072, P. R. China

Development Foundation for Electronic and Information Industry (2010)Science and Technology Commission of Shanghai MunicipalityMechatronics Engineering Innovation Group Project from Shanghai Education Commission

10DZ1140502

2011

10.1007/sl1741-011-0732-3

上海大学学报(英文版)
上海大学

上海大学学报(英文版)

影响因子：0.196
ISSN：1007-6417
年,卷(期)：2011.15(4)
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