Novel flexible reflective color media with electronic inks

• Published in: Journal of Information Display Vol. 12; no. 1; pp. 5 - 10
• Main Authors: Koch, Tim, Yeo, Jong-Souk, Zhou, Zhang-Lin, Liu, Qin, Mabeck, Jeff, Combs, Gregg, Korthuis, Vincent, Hoffman, Randy, Benson, Brad, Henze, Dick
• Format: Journal Article
• Language: Korean
• Published: 2011
• Subjects: reflective; flexible; oxide TFT; electrokinetic; stacked color system; roll-to-roll
• ISSN: 1598-0316; 2158-1606

A novel architecture and proprietary electronic inks were developed to provide disruptive digital-media solutions based on an electrokinetic technology platform. The flexible reflective electronic media (eMedia) was fabricated by imprinting three-dimensional microscale structures with a roll-to-roll manufacturing platform. The HP technologies enable the required attributes for eMedia, such as low power, transparency, print-quality color, continuous levels of gray, and lowcost scalability. Pixelation was also demonstrated by integrating with the prototype oxide thin-film transistor backplane, and the system architecture was further developed by stacking primary-colorant layers for color reflective-display application. The innovations described in this paper are currently being developed further for the eSkins, eSignage, and ePaper applications.