Engineering and Technology

Foldable and washable textile-based OLEDs with a multi-functional near-room-temperature encapsulation layer for smart e-textiles

S. Y. Jeong, H. R. Shim, et al.

This groundbreaking study showcases the development of textile-based OLEDs that not only withstand bending and immersion in water but also exhibit remarkable mechanical durability and washability. The innovative use of a TiO₂ film and hydrophobic polymer for near-room-temperature encapsulation highlights the immense potential of these devices for smart e-textiles, as crafted by a team of dedicated researchers from KAIST and beyond.

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Abstract

This study demonstrates the fabrication and practical utility of textile-based OLEDs with enhanced stability, mechanical durability, and washability. A multi-functional near-room-temperature encapsulation using a TiO₂ film and a hydrophobic polymer achieves a low water vapor transmission rate (WVTR), high flexibility, and waterproof properties. The resulting textile-based OLEDs maintain optoelectronic properties even after bending and water immersion, showcasing their potential for smart e-textiles.

Publisher

npj Flexible Electronics

Published On

Jul 07, 2021

Authors

So Yeong Jeong, Hye Rin Shim, Yunha Na, Ki Suk Kang, Yongmin Jeon, Seungyeop Choi, Eun Gyo Jeong, Yong Cheon Park, Ha-Eun Cho, Junwoo Lee, Jeong Hyun Kwon, Sung Gap Im, Kyung Cheol Choi

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