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Title: Highly Flexible, Electrically Driven, Top-Emitting, Quantum Dot Light-Emitting Stickers
Authors: Yang, Xuyong
Mutlugun, Evren
Dang, Cuong
Dev, Kapil
Gao, Yuan
Tan, Swee Tiam
Sun, Xiao Wei
Demir, Hilmi Volkan
Keywords: electroluminescence
Issue Date: 2014
Source: Yang, X., Mutlugun, E., Dang, C., Dev, K., Gao, Y., Tan, S. T., et al. (2014). Highly Flexible, Electrically Driven, Top-Emitting, Quantum Dot Light-Emitting Stickers. ACS Nano, 8(8), 8224-8231.
Series/Report no.: ACS Nano
Abstract: Flexible information displays are key elements in future optoelectronic devices. Quantum dot light-emitting diodes (QLEDs) with advantages in color quality, stability, and cost-effectiveness are emerging as a candidate for single-material, full color light sources. Despite the recent advances in QLED technology, making high-performance flexible QLEDs still remains a big challenge due to limited choices of proper materials and device architectures as well as poor mechanical stability. Here, we show highly efficient, large-area QLED tapes emitting in red, green, and blue (RGB) colors with top-emitting design and polyimide tapes as flexible substrates. The brightness and quantum efficiency are 20 000 cd per m2 and 4.03percent, respectively, the highest values reported for flexible QLEDs. Besides the excellent electroluminescence performance, these QLED films are highly flexible and mechanically robust to use as electrically driven light-emitting stickers by placing on or removing from any curved surface, facilitating versatile LED applications. Our QLED tapes present a step toward practical quantum dot based platforms for high-performance flexible displays and solid-state lighting.
ISSN: 1936-0851
DOI: 10.1021/nn502588k
Rights: © 2014 American Chemical Society.
Fulltext Permission: none
Fulltext Availability: No Fulltext
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