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Flexible electronics: Integration processes for organic and inorganic semiconductor-based thin-film transistors

 
: Vidor, F.F.; Meyers, T.; Hilleringmann, U.

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Electronics. Online journal 4 (2015), No.3, pp.480-506
ISSN: 2079-9292
English
Journal Article, Electronic Publication
Fraunhofer ENAS ()

Abstract
Flexible and transparent electronics have been studied intensively during the last few decades. The technique establishes the possibility of fabricating innovative products, from flexible displays to radio-frequency identification tags. Typically, large-area polymeric substrates such as polypropylene (PP) or polyethylene terephthalate (PET) are used, which produces new requirements for the integration processes. A key element for flexible and transparent electronics is the thin-film transistor (TFT), as it is responsible for the driving current in memory cells, digital circuits or organic light-emitting devices (OLEDs). In this paper, we discuss some fundamental concepts of TFT technology. Additionally, we present a comparison between the use of the semiconducting organic small-molecule pentacene and inorganic nanoparticle semiconductors in order to integrate TFTs suitable for flexible electronics. Moreover, a technique for integration with a submicron resolution suitable for glass and foil substrates is presented.

: http://publica.fraunhofer.de/documents/N-379528.html