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High-resolution Patterning Technologies using Ink-jet Printing and Laser Processing for Organic TFT Array

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A 150 ppi organic thin film transistor (OTFT) array, which TFT have pixel circuit with two transistors and one capacitor was fabricated by printing methods and laser processing. TFT array pitch was 169 μm, a minimum width of the source electrode was 15 μm, channel length was 5 μm, and a diameter of via hole was about 20 μm. We have developed the surface energy controlled ink-jet printing with UV irradiation for fine Ag electrodes and the conventional ink-jet printing for organic semiconductor (OSC), and laser processing for Via hole.

Document Type: Research Article

Publication date: 2013-01-01

More about this publication?
  • For more than 25 years, NIP has been the leading forum for discussion of advances and new directions in non-impact and digital printing technologies. A comprehensive, industry-wide conference, this meeting includes all aspects of the hardware, materials, software, images, and applications associated with digital printing systems, including drop-on-demand ink jet, wide format ink jet, desktop and continuous ink jet, toner-based electrophotographic printers, production digital printing systems, and thermal printing systems, as well as the engineering capability, optimization, and science involved in these fields.

    Since 2005, NIP has been held in conjunction with the Digital Fabrication Conference.

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