期刊
MRS BULLETIN
卷 28, 期 11, 页码 829-834出版社
CAMBRIDGE UNIV PRESS
DOI: 10.1557/mrs2003.232
关键词
displays; inkjet printing; polymer electronics; thin-film transistors (TFTs)
We present a process for manufacturing printable thin-film transistors (TFTs) that is: based on solution processing and direct inkjet printing of polymer semiconductors, dielectrics, and conductors, as well as inorganic nanoparticle conductors. We show that the high device yield, uniformity and resolution required for thin-film electronic applications can be achieved by using a substrate that contains a surface energy pattern to control the flow and spreading of inkjet droplets. This technique overcomes many of the limitations of current inkjet printing technology related to its limited droplet placement accuracy. We demonstrate the potential-of this printing-based TFT manufacturing process with the fabrication of 50 dpi active-matrix, polymer dispersed liquid-crystal and Gyricon Smartpaper electronic paper displays.
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