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Optica Publishing Group
  • Journal of Display Technology
  • Vol. 8,
  • Issue 9,
  • pp. 534-538
  • (2012)

Color Realization of Reflective Electronic Display Using Particle-Moving Method

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Abstract

We propose a color realization method of a reflective display based on quick response-liquid powder display (QR-LPD). We use the particle-moving method in order to address the color particles cyan, magenta, yellow, and black (CMYK) into their respective cells. We fabricated a color addressed reflective display panel using indium–tin–oxide (ITO) glass with a rib width of 15 $\mu$m, a cell size of 300 $\mu$m$\times$300 $\mu$m, an average particle diameter of 8 $\mu$m, and a particle charge to mass ratio (q/m) from ${+}{\hbox{8.5}}\ \mu$C/g to ${-}{\hbox{4}}\ \mu$C/g. Most particles are inserted into their cells on the upper substrate, with non-movable particles removed in a previous step. The fabricated color panel shows a well-addressed CMYK array in microscopic photographs. An additional color display is fabricated using line-by-line addressing in order to facilitate the addressing process.

© 2012 IEEE

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