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Printed Electronics World
Posted on September 9, 2009 by  & 

Areas of highest interest in the field of the new electronics

Electroluminescence, organic light emitting diodes (OLED) and electrowetting are just three of the technologies which are intensely researched and used nowadays to change our way of presenting information and lighting.
 
For the Printed Electronics Asia event, IDTechEx acquired the highest rank of speakers from leading global companies and top-level universities throughout the world. They will present latest results in research and explain new products, commercially available already or to be launched soon.
 
Topics are basic materials needed for the devices as well as technologies to manufacture them on industrial scale.
 
First commercial applications of OLED displays have been available for quite a while, up to the recent 7.6 inch displays by Kodak. The technology behind is called active matrix display, meaning that each single pixel is driven by its own transistor on the backplane. The latest news on "scalable" white AMOLED technology for large TV application will be presented by Mr Takatoshi Tsujimura, OLED Product Development Senior Director at Kodak, Japan.
 
 
If the backplane transistors are transparent, a completely "see-thru" display is possible, as pictured in the movie "Minority Report" directed by Steven Spielberg in 2002. This future is close at hand - Zinc oxide can be used as semiconductor for this application - still not as good in performance as silicon based transistors, but better and more stable than several organic materials. Recent progress on the way to transparent backplanes will be explained by Myung-Kwan Ryu, who works for Samsung, Korea, and by Prof Elvira Fortunato, professor at Faculdade de Ciencias e Tecnologia in Portugal. The development of printed organic thin film transistors will be presented by Toru Okubo, Research leader at Toppan Printing.
 
Another application for the new printable light sources is very small devices used in medical diagnostics. Imperial College London and its spin-out Molecular Vision are leading in this field, and co-founder Dr John De Mello will present recent results of their work.
 
University of Tokyo is active in several projects in the area of displays and lighting, and this year attendees can look forward to a presentation given by Dr Tsuyoshi Sekitani, Assistant Professor at this university. He will talk about large-area stretchable organic EL displays, driven by an active matrix. This application uses printable elastic conductors, and it might open the way to completely new products.
 
 
Non-emissive displays, which in many cases offer better readability in bright sunlight than emissive ones, see much progress as well. One of the best known examples are the e-readers, still black and white only, and stiff, since made on glass. This might change soon, and Yoshitomo Masuda from Bridgestone will explain the approach using printed colour filters on a flexible QR-LPD using printing technology. The leading company in research and development of displays using the concept of electrowetting is Liquavista, a spin-out from Philips Research Labs in Eindhoven. Anthony Slack, VP Business Development, will demonstrate their results on the way to high-brightness readers.
 
Printed Electronics Asia will take place from September 30-October 1, with Masterclasses being held on September 29 and October 2 at the Sheraton Miyako Hotel in Tokyo, Japan.
 
For full details, visit www.IDTechEx.com/peASIA.

Authored By:

Printing and Materials Analyst

Posted on: September 9, 2009

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