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Cincinnati, OH, United States

Kreit E.,University of Cincinnati | Dhindsa M.,University of Cincinnati | Yang S.,University of Cincinnati | Hagedon M.,University of Cincinnati | And 3 more authors.
Langmuir | Year: 2010

Reported are Laplace barriers consisting of arrayed posts or ridges that impart ∼ 100 to 1000 s of N/m2 Laplace pressure for fluid confinement, but the Laplace pressure is also small enough such that the barriers are porous to electrowetting control. As a result, the barriers are able to provide electrowetting flow thresholding and virtual fluid confinement in noncircular fluid geometries. A simple theoretical model for the barriers and experimental demonstrations validate functionality that may be useful for lab-on-chip, display devices, and passive matrix control, to name a few applications. © 2010 American Chemical Society.

Yang S.,University of Cincinnati | Heikenfeld J.,University of Cincinnati | Heikenfeld J.,Gamma Dynamics Corporation | Kreit E.,University of Cincinnati | And 5 more authors.
Journal of the Society for Information Display | Year: 2011

Electrofluidic displays transpose brilliant pigment dispersions between a fluid reservoir of small viewable area and a channel of large viewable area. Recent progress in the technology, a new multi-stable device architecture, and a novel approach for segmented displays that can display pigment without the optical losses of pixel borders is reported. The fundamental aspects of electrofluidics that make it compelling for the next generation of e-paper products is reviewed. © 2011 Society for Information Display.

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