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From DMP to 40” TV – The Challenges of Scaling-Up Inkjet

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There is much activity on inkjet printing of functional materials, and many very impressive and encouraging results on a small scale have been shown. But the real applications for such achievements will generally require printing at a much larger scale, and there are many challenges in scaling a successful process at laboratory scale to a successful one at industrial scale.

Inkjet printing is inherently scalable, which is a key advantage for solution processable P-OLEDs and their use in manufacturing large, commercially-relevant displays. But there are many aspects to consider in scaling up including time, process factors, dealing with large arrays of nozzles and large printers, and robustness.

This paper addresses some of these issues, and raises awareness of others with particular reference to display printing - methods to combat swathe joins are still applicable, print strategies can be used to generate redundancy in arrays to mitigate lost nozzles or nozzle variations, and physical structures can be changed to makes processes more tolerant of drop misplacement.

Document Type: Research Article

Publication date: January 1, 2009

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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