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Tunable Resolution and Patterning Method for Ink-Jet Printing Process

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Traditional ink-jet printing algorithm for patterning fine resolution image is to split the image at fine swath length, and then to control the stepping distance along the moving direction of the substrate, commonly called interlaced printing. However, this method is not appropriate for some applications, especially for displays fabricated by ink jet printing, primarily due to the incompatibility of the nozzle arrangement with most panel resolution. Simple interlace printing method would cause offsets in between each swath. The tiny position deviation from the mismatch of nozzle pitch and the panel resolution produces fetal damage in quality, or named “mura” in display terminology. This paper proposes a novel printing algorithm and memory arbitration mechanism for patterning fine images. It combined the benefits of rotating print head rotating and interlaced printing. By bit data shifting operation, the printing process is synchronized with the triggering signal and is independent with panel resolution, which resulted in more flexible print resolution and memory usage save. The results showed that the resolution can modulate up to 1μm for JPEG, TIFF, Gerber RS274X data format, and no “mura” is observed from swath to swath for display applications.

Document Type: Research Article

Publication date: January 1, 2005

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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