31st CEMS Colloquium

講演者

染谷隆夫 (創発物性科学研究センター創発ソフトシステム研究チームチームリーダー)

日程

2015年9月30日(水) 17:30～18:30

開催場所

理化学研究所　大河内記念ホール

講演タイトル

Ultraflexible organic thin-film devices for wearable and implantable electronics

講演概要

We report recent progress of ultraflexible organic thin-film devices such as organic thin-film transistors (OTFTs), organic photovoltaic cells (OPVs), and organic light-emitting diodes (OLEDs) that are manufactured on ultrathin plastic film with the thickness of 1 μm. Ultraflexible organic transistor integrated circuits (ICs) exhibit extraordinary robustness in spite of being superthin. The electrical properties and mechanical performance of the transistor ICs were practically unchanged even when squeezed to a bending radius of 5 μm, dipped in physiological saline, or stretched to up to double their original size. These organic transistor ICs have been utilized to develop a flexible touch sensor system. Then, we have demonstrated OPV and OLED on 1 μm thick PEN. Moreover, the issues and the future prospect of flexible organic devices will be addressed. We will also describe emerging applications using ultraflexible and stretchable electronic systems in the fields of wearable and biomedical electronics.