期刊
ADVANCED MATERIALS
卷 20, 期 10, 页码 1957-+出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.200702435
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White OLEDs with high efficiency high color stability are developed by using high energy level dopants. The white OLEDs showed high external quantum efficiency 11.7% and remarkable color stability with the variation of CIE chromaticity coordinates less than (0.02, 0.01) between 10cd m(-2) and 5000 cd m(-2). Moreover roll-off of efficiency was low and the CRI value was over 87.
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