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Proceedings Paper

A flexible electrophoretic panel driven by organic TFTs
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Paper Abstract

We successfully fabricated 4.7-inch organic thin film transistors array with 320×240 pixels on flexible substrate. The mobility, ON/OFF ratio, subthreshold swing and threshold voltage of OTFT on flexible substrate are: 0.015 cm2/V-s, 1.1 V/dec, 10E6 and -3.2 V. After laminated Sipix electrophoretic media on OTFT array, a panel of 4.7 inch 320×240 OTFT-EPD was fabricated. All of process temperature in OTFT-EPD is lower than 130 . The pixel size in our panel is 300 μm × 300 μm, and the aperture ratio is over than 50 %. The OTFT channel length and width is 20 μm and 200μm, respectively. The operation voltages used on the gate bias is -30 V during the row data selection and the gate bias are 0 V during the row data hold time. The data voltages used on the source bias are -20 V, 0 V, and 20 V during display media operation.

Paper Details

Date Published: 28 August 2009
PDF: 6 pages
Proc. SPIE 7417, Organic Field-Effect Transistors VIII, 74170U (28 August 2009); doi: 10.1117/12.826130
Show Author Affiliations
Tarng-Shiang Hu, Industrial Technology Research Institute (Taiwan)
Yi-Kai Wang, Industrial Technology Research Institute (Taiwan)

Published in SPIE Proceedings Vol. 7417:
Organic Field-Effect Transistors VIII
Zhenan Bao; Iain McCulloch, Editor(s)

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