A flexible electrophoretic panel driven by organic TFTs

Tarng-Shiang Hu; Yi-Kai Wang

doi:10.1117/12.826130

28 August 2009 A flexible electrophoretic panel driven by organic TFTs

Tarng-Shiang Hu, Yi-Kai Wang

Proceedings Volume 7417, Organic Field-Effect Transistors VIII; 74170U (2009) https://doi.org/10.1117/12.826130
Event: SPIE Photonic Devices + Applications, 2009, San Diego, California, United States

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.

Citation Download Citation

Tarng-Shiang Hu and Yi-Kai Wang "A flexible electrophoretic panel driven by organic TFTs", Proc. SPIE 7417, Organic Field-Effect Transistors VIII, 74170U (28 August 2009); https://doi.org/10.1117/12.826130

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