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Chief Scientist Laboratories Thin-Film Device Laboratory

Chief Scientist: Takao Someya (Ph.D.)

Research Summary

Takao  Someya(Ph.D.)

Our laboratory is aiming to develop novel applications of thin-film devices such as organic electronics as well as to explore their fundamental study. More specifically, electronic and/or photonic devices are integrated on the ultra-thin films or rubber sheets to produce next-generation information devices having excellent mechanical flexibility. These flexible devices are cooperatively linked with state-of-the-art silicon technologies such as ultralow power wireless chips and applied to flexible systems. Moreover, by utilizing the biocompatible electronics such as flexible devices, emerging region that fuses the machine and the biological will be investigated to advance unique bio-medical and robotics applications. Furthermore, the rapid prototyping with the technique of digital fabrication will be utilized to establish various kinds of new systems and services that support humans and consequently the new manufacturing parading that can respond to rapid changes of society and meet their needs will be realized.

Main Research Fields

  • Engineering

Related Research Fields

  • Chemistry
  • Electronic Engineering


  • Organic electronics
  • Flexible electronics

Selected Publications

Papers with an asterisk(*) are based on research conducted outside of RIKEN.

  • 1.Fukuda, K.., and Someya, T.;
    “Recent Progress in the Development of Printed Thin-Film Transistors and Circuits with High-Resolution Printing Technology”
    Advanced Materials, DOI: 10.1002/adma.201602736 (2016).
  • 2.Jinno, H., Yokota, T., Matsuhisa, N., Kaltenbrunner, M., Tachibana, Y., and Someya, T.:
    “Low operating voltage organic transistors and circuits with anodic titanium oxide and phosphonic acid self-assembled monolayer dielectrics”
    Organic Electronics, 40, 58-64 (2016).
  • 3.Fukuda, K., Sekine, T., Shiwaku, R., Morimoto, M., Kumaki, D., and Tokito. S.:
    “Free-Standing Organic Transistors and Circuits with Sub-Micron Thicknesses”
    Scientific Reports, 6, 27450 (2016).
  • 4.*Kaltenbrunner, M., Sekitani, T., Reeder, J., Yokota, T., Kuribara, K., Tokuhara, T., Drack, M., Schwoediauer, R., Graz, I., Bauer-Gogonea, S., Bauer, S., and Someya, T.:
    "An ultra-lightweight design for imperceptible plastic electronics"
    Nature 499, 458–463 (2013).
  • 5.*Sekitani, T., Noguchi, Y., Hata, K., Fukushima, T., Aida, T., Someya, T.:
    "A Rubberlike Stretchable Active Matrix Using Elastic Conductors"
    Science, Volume 321, 1468–1472 (2008).

Recent Research Results

Annual research report

Related Links

Lab Members

Principal investigator

Takao Someya
Chief Scientist

Core members

Kenjiro Fukuda
Senior Research Scientist
Steven Ian Rich
Postdoctoral Researcher


Position Deadline
Seeking a Postdoctoral Researcher (W23210) Open until filled

Contact Information

W405 Cooperation Center,
2-1 Hirosawa,
Wako, Saitama
351-0198, Japan
Email: takao.someya [at] riken.jp