세미나안내

[2015 05 27] 특별세미나 (BK21PLUS) Prof. Tsuyoshi Sekitani

Imperceptible sheet-type active matrix sensors for cyber–physical systems

MSE Graduate Students and Researchers

관리자 | 2015.05.20 14:38 | 조회 2579


Date: 2015. 05. 27 (Wed), 17:00 ~ 19:00

Place: Building, Room.202 Multimedia Room

Title: Imperceptible sheet-type active matrix sensors for cyberphysical systems

Speaker: Prof. Tsuyoshi Sekitani (Osaka University)

Host of a Seminar: Prof. Tae-Woo Lee

 

Abstract:

In this talk, I will discuss the recent progresses and future prospects of large-area, ultraflexible, and ultrathin electronic sensors. Our works focus on integration technologies of organic electronics comprising organic thin-film transistors (TFTs), light-emitting diodes (LEDs), and photodetectors (PDs) manufactured on thin-film flexible polymeric plastic substrates, which are imperceptible active matrix sensors. Here I would like to demonstrate the applications of imperceptible sensors for sophisticated wearable electronics and real-time health monitoring of civil infrastructures. These sensors serve as an important part of seamless cyberspace/real-world interfaces that are commonly referred to as cyber-physical systems (CPSs).

 

A CPS consists of collaborating computational elements in cyberspace and physical entities in real space, and involves physical sensing (data collection), data transmission and processing, and actuation between cyber and real spaces. The CPS aims to make every social system efficient and optimized. First-generation CPSs can be used in areas as diverse as home security, automotive systems, civil infrastructure, energy, agriculture, healthcare, manufacturing, transportation, robotics, and consumer electronics. Imperceptible electronic sensors are expected to play an increasingly important role in the development of large-area two-dimensional interfaces for collecting physical data in a CPS.

 

On the basis of our initial work on manufacturing different flexible organic devices, including TFTs, LEDs, and PDs, we developed organic flexible electronics for applications that use large-area sensors, actuators, memories, and displays [1-13].

 

For example, by taking advantage of an ultraflexible and compliant amplifier that can amplify biological signals by 500, we developed 1-µm-thick multi-channel active matrix electrocardiogram and electromyogram monitoring systems. Ultrathin electronics with a total thickness of approximately 1 to 2 µm support a bending radius of less than 10 µm.

 

In addition to the above-mentioned biomedical application, I will also review a wide range of new applications, including real-time health monitoring of civil infrastructures using all-printed large-area sensor systems.

 

 

Dept. of MSE / BK21+


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