• Organic semiconductor material technology

    Toward the development of high quality OFET devices, organic synthesis is very important as well as device fabrication. In our laboratory, we can synthesize not only organic semiconductors but fabricate organic devices, which is a big advantage in this field.
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  • Metal nanoparticle ink technology

    Metal nanoparticle ink is key technology to achieve high performance all printed semiconductor devices. Our metal nanoparticle ink has a many advantage, such as low temperature sintering, high dispersion stability and cost compatibility.
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  • High performance organic TFT technology

    Interface control at "organic semiconductor/ electrode" and "organic semiconductor/ gate dielectric" is very important to achieve high performance. Printing method and formulation for organic semiconductor ink are studied.
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  • Integration technology for organic TFT circuit

    Our research is devoted to produce fully-solution processed integrated circuits on flexible substrates. Fully-printed organic integrated circuits fabricated on ultra-thin film substrates enable large-area electronics that are very thin, light-weight, and flexible.
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  • Organic FET sensor technology

    OFETs can be applied to wearable and disposable sensors because of their mechanical flexibility and low manufacturing costs. For these reasons, we believe that the OFET sensors are one of the promising candidates for use in healthcare devices.
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  • Flexible display technology

    Organic TFT is expected for applying in backplane circuit of flexible display device. Low temperature and printing fabrication process for flexible display device is developed.
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  • 3D Printed electronics

    Three-dimensional (3D) printing techniques for electronic circuits on curved surfaces can provide for an innovative printing technology with low-cost, space-savings and increased product design freedom of manufacturability.
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Pick Up News
On October 13th "The 4th Flexible Organic Electronics research seminar" will held in Akihabara,Tokyo.

News
On October 6th, Associate Professor Matsui give a Keynote talk at "Organic Electronics Seminar2017" (Ochanomizu, Tokyo)

Member
15 of B3 Students joined our laboratory members

Member
Mr. Yoshihiro Okuyama has joined the laboratory member as Research Assistant.

Member
Mr. Sunaga, Mr. Sasaki and Ms. Sugawra has joined the laboratory members as Visiting Researcher.

Press
On September 29th, NIKKEI Technology Online delivered Tokito Lab's article. -3

Press
On September 28th, NIKKEI Technology Online delivered Tokito Lab's article. -2

Press
On September 28th, NIKKEI Technology Online delivered Tokito Lab's article. -1

News
On September 27th, Professor Tokito's special issue "Semiconducting Polymer for Organic Transistors" has been set up to MDPI journal .

Award
M1 Hiroyuki NAKAMURA received the MES 2016 Research Encouragement Award and was awarded plaque. Congratulations!

Press
On September 14th, ROEL / Tokito Laboratory Related Articles (Part Ⅴ, Final) was published in Electronic Device Industry News.

Press
The article related to Future Inc./Tokito lab. was published in JST's publicity magazine "JSTnews" September issue.

Press
On September 7th, ROEL / Tokito Laboratory Related Articles (Part Ⅳ) was published in Electronic Device Industry News.

Press
On August 31st, Tokito Laboratory / UBE INDUSTRIES,LTD. Related Articles was published in Electronic Device Industry News.

Press
On August 31st, ROEL / Tokito Laboratory Related Articles (Part III) was published in Electronic Device Industry News.

More NEWS


Result
A paper "Organic Complementary Inverter Circuits Fabricated with Reverse Offset Printing" by Dr. Yasunori TAKEDA Assistant Professor was accepted in Advanced Electronic Materials.

Invited Lecture
On September 26th, Professor Tokito gave a Keynote talk at Swiss e-Print -The Swiss Conference on Printed Electronics and Functional Materials(Basel, Switzerland)

Lecture
On September 25th, Associate Prof. Kumaki gave a talk at "JOEM academy 2017" held at Yamagata University Faculty of Engineering, Yonezawa.

Invited Lecture
In September 19th to 22nd, Professor Tokito gave an invited talk at "SSDM2017"(Sendai International Center)

Result
A paper "An organic transistor-based electrical assay for copper(II) in water" by Yui Sasaki (M2) was accepted in Electrochemistry.

Lecture
In September 9-12, Prof. Tokito gave an Invited Lecture in “JSAC 66 annual meeting” held at Tokyo University of science, Katsushika campus.

Poster
In September 7th to 9th, Yui SASAKI (M2) presented a poster at "The 11th Bio joint symposium" in University of Tokyo, Yayoi campus.

Presentation
September 5th to 8th, at The 78th JSAP Autumn Meeting, 2017, Fukuoka, there were 6 oral presentations and 1 poster presentation from our laboratory.

Invited Lecture
On Sep. 7th, Associate Professor Nagamine gave an invited talk "Development of an Organic Field-Effect Transistor-Based Biosensor for Application in Personal Healthcare" at 2017ICFPE, The SHILLA HOTEL, Jeju Island, Korea.

Invited Lecture
On Sep.7th, Dr. Sekine gave an invited talk "Printed Wearable Physical Sensor using Ferroelectric Polymer" at 2017ICFPE, The SHILLA HOTEL, Jeju Island, Korea.

Presentation
On August 29th, RC Associate Professor Izumi and Yoshida Researcher presented to MES2017 at Chukyo University Nagoya Campus, Aichi.

Result
(M2) Kazuma HAYASAKA's Paper "Compact Organic Complementary D-Type Flip-Flop Circuits Fabricated with Inkjet Printing" was published in the Advanced Electronic Materials.

Invited Lecture
Prof.Tokito gave an invited talk at The 374th The Society of Rubber Science and Technology, Yamagata University (Yonezawa campus), Japan.

Invited Lecture
Prof. Tokito give an invited talk「Flexible and Printed Organic TFT Devices and IoT Sensor Applications」at "Carbon-based Nnaodevices and Flexible Electronics"(Beijing China)

Lecture
In July, 15th Prof. Tokito give an invited talk at "Yonezawa Kougyou-kai" (Yamagata Grand Hotel) in Yamagata

More RESEARCH RESULTS

  • Movie
【Tokito, Office】
4-3-16 Jonan, Yonezawa, Yamagata
992-8510, JAPAN
YAMAGATA UNIVERSITY
Organic Electronics Research Center
(Bldg. 10)
Phone:+81-238-26-3725
Fax:+81-238-26-3788

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