• 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
【Job offering】 We’re looking for a technical staff!

News
In August next year, Professor Tokito give an Invited talk at 2018 IEEE International Flexible Electronics Technology Conference (IEEE IFETC 2018), in Ottawa, Canada.

News
On December 7-8, Prof. Tokito give an Invited talk at The 14th Shikizai IT Kouza [Japan Society of Colour Material Inkjet technology Course]. (Japan University Faculty of Science and Technology, Surugadai campus)

Events
On November 28, Dr. Kenjiro FUKUDA (RIKEN Cooperation Center) gave a lecture as a Guest Speaker at The 144th ROEL Lecture Session.

Award
Assistant Professor. Takeda received The 43th JSAP's Young Scientist Presentation Award, 2017. Congratulations!!

Member
Dr. Shigeyuki IWASA (from NEC) become a visiting professor in Tokito lab.

Member
Ms. Minako WATANABE has joined the laboratory member as Assistant.

Events
On October 30, Prof. Sadao KAWAMURA (Ritsumeikan University Research Centre for Palaeoclimatology) gave a lecture as a Guest Speaker at "The 141th Lecture Organic Electronics Research Center"

Press
An article related to Konami IZUMI, Research Collaboration Associate Professor, titled "The research of Izumi Associate Professor of Yamagata University, thin-film printing on curved surface, was adopted by JST." was released.

Member
Mr. David Tang has joined the laboratory member as Research Assistant.

Pick Up News
On October 13, We held a "The 4th Flexible Organic Electronics research seminar" at Akihabara, Tokyo.

Events
On October 11, Mr. Hirobumi USHIJIMA (AIST) gave a lecture as a Guest Speaker at "The 138th ROEL Lecture Session"

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.

More NEWS


Invited Lecture
On December 4-6, Prof. Tokito gave an Invited talk at Institute for Materials Research - Workshop. (Institute for Materials Research, Tohoku University)

Lecture
On November 30, Prof. Tokito gave an Invited talk at Workshop to Explore New Trends of Industrial Robots. (Tokyo big sight conference room)

Poster
On November 28, Assistant Professor, Dr. Sekine had a poster presentation at Materials Research Society (MRS) 2017 Fall Meeting, Boston, U.S.A .

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

Lecture
On November 24, Prof. Tokito gave an Invited talk at Sensor & IoT Consortium Open Symposium. (The Chemical Society of Japan, Ochanomizu)

Result
A paper "Flexible Organic Light-Emitting Diode Displays Driven by Inkjet Printed High Mobility Organic Thin Film Transistors" by Collaborated Associate Professor Mizukami was accepted in IEEE Electron Device Letters.

Invited Lecture
On November 19, Prof. Tokito gave an Invited talk at Yonezawa kōgyō-kai Tokai branch general meeting. (KKR Hotel Nagoya)

Lecture
On November 17, Professor Tokito gave a lecture at SPIJ's 5th Ambient Technology Seminar " Printing electronics and IoT technology" (FUJIFILM Tokyo Midtown Office)

Lecture
On October 6th, Associate Professor Matsui gave a lecture at "2017 earthkenkyukai(Earth Research Meeting), period 23 " (Yaesu, Tokyo)

Presentation
On October 27, RC Associate Professor Izumi gave a poster presentation at JIEP Workshop Shuzen-Ji 2017 (La foret Shuzen-Ji, Shizuoka)

Presentation
M1 student Yuki MARUYAMA gave an oral presentation at SmaSys 2017, titled "Development of Capacitor type Enzymatic Biofuel Cell for Healthcare Devices" (Yamagata University, Yonezawa Campus)

Invited Lecture
On October 12, Professor Tokito gave a keynote lecture at 2017 Tohoku area Convention Promotion Council Workshop. (Denkoku-no-Mori Hall, Yonezawa, Yamagata)

Invited Lecture
On October 6th, Professor Tokito gave an Invited talk at "2017 EXPO SERIA-EAST" (Plaza Industry Ota, Tokyo)

Invited Lecture
On October 6th, Associate Professor Matsui gave a keynote talk at "Organic Electronics Seminar 2017" (Ochanomizu, Tokyo)

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

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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