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A white organic light-emitting diode that exploits stacked phosphorescent materials maintains the same color output at both high and low luminance values. Department of Polymer Science and Engineering at the University of Dankook, Korea

A white organic light-emitting diode uses phosphorescent emitting materials combined with a charge confining structure to emit stable color output at both high and low luminance values.

The team from Dankook University, Korea sandwiched a 12 nm thick red phosphorescent emitting layer between two 8 nm thick blue phosphorescent emitting layers.

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