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Ink-Jet Printed Electrodes for Passive Fluid Based Display

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There is an urgent need for change to meet the requirements of green technology for printed circuits for printed electronics and displays. In this paper, a novel and simple process to manufacture electrodes of fluidic base display at room temperature was proposed. Following our prior researches, the processes combined self-assembly polyelectrolyte (SAP) layer deposition, ink-jet patterning of palladium catalyst, and electroless plating to form an electrode pattern on a polyimide substrate. The patterned, high conductive circuit is applied to fluid based displays, such as cholesterol liquid crystal or electro-wetting displays, which are also color patterned by the printing process to discharge the individual color media onto predetermined flexible substrates. This study demonstrates the ink-jet printing electrodes for a 10.4” cholesterol liquid crystal display on a polycarbonate substrate. The thickness and resistivity of the electrode pattern were measured at about 400±50 nm and o.15 ohm/square, respectively. The Flexure-angular examination indicated, after a 2 mm curvature and 2000 tests, that the variation of resistivity variation was less than 1%.
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Document Type: Research Article

Publication date: 2007-01-01

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  • For more than 30 years, IS&T's series of digital printing conferences have been the leading forum for discussion of advances and new directions in 2D and 3D printing technologies. A comprehensive, industry-wide conference that brings together industry and academia, this meeting includes all aspects of the hardware, materials, software, images, and applications associated with digital printing systems?particularly those involved with additive manufacturing and fabrication?including bio-printing, printed electronics, page-wide, drop-on-demand, desktop and continuous ink jet, toner-based systems, and production digital printing, as well as the engineering capability, optimization, and science involved in these fields. In 2016, the conference changed its name formally to Printing for Fabrication to better reflect the content of the meeting and the evolving technology of printing.

    Please note: For purposes of its Digital Library content, IS&T defines Open Access as papers that will be downloadable in their entirety for free in perpetuity. Copyright restrictions on papers vary; see individual paper for details.

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