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Full Color Reflective Electronic Media

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Just as HP is leading the transition to individually tailored content consumption for printed media with variable data printing from its digital presses, it is also actively pursuing full-color reflective display technologies as an electronic media in support of low-power applications for digital content consumption. A great challenge in realizing the potential of reflective electronic media is achieving vivid full colors that match or exceed the color gamut described by printing standards such as the Specifications for Newsprint Advertising Production (SNAP). Based on the principles of color printing, a stacked device design using a novel electrokinetic architecture has been proposed that offers the potential for achieving or exceeding SNAP's color gamut. Proprietary electrically addressable imaging fluids (electronic inks) have been developed to support such design. Electronic inks with CMY primary colors have been demonstrated to exceed the chroma values of SNAP in a single layer. Integrated into a stack of electro-optic layers employing HP's electrokinetic architecture, these inks have enabled a reflective full-color electronic media demonstrator built on roll-to-roll manufacturing platform with a color gamut approaching that of the SNAP standard. In this paper we report the development of full color electronic inks and demonstration of stacked full color reflective segmented and pixilated active matrix devices.

Document Type: Research Article

Publication date: 2011-01-01

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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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