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Efficient, color stable white organic light-emitting diode based on high energy level yellowish-green dopants

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Authors
Park, Young-Seo; Kang, Jae-Wook; Kang, Dong Min; Park, Jong-Won; Kim, Yoon-Hi; Kwon, Soon-Ki; Kim, Jang-Joo
Issue Date
2008-04-17
Publisher
Wiley-Blackwell
Citation
Adv. Mater. 2008, 20, 1957
Keywords
dopinglight-emitting diodesmultilayersorganic (OLEDs)
Abstract
White OLEDs with high efficiency and high color stability are developed by using high energy level dopants. The white OLEDs showed high external quantum efficiency of 11.7% and remarkable color stability with the variation of CIE chromaticity coordinates less than (0.02, 0.01) between 10 cd m-2 and 5000 cd m-2. Moreover roll-off of efficiency was low and the CRI value was over 87.
ISSN
0935-9648
Language
English
URI
http://hdl.handle.net/10371/6995
DOI
https://doi.org/10.1002/adma.200702435
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College of Engineering/Engineering Practice School (공과대학/대학원)Dept. of Material Science and Engineering (재료공학부) Journal Papers (저널논문_재료공학부)
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