Optimization of the droplet pixel.

Characterization and optimization of the eMAPD device.

(a) Pepresentative eMAPD panels showing multiple colors and contrasts for “S”, “C”, “N” and “U” letters based on the yellow-blue and cyan-red system. (b) Photographs of the displayed “flower” and “7” patterns taken from different viewing angles. (c) Photographs showing the displayed “6” pattern being visible after 0, 5,10 and 30 min of power-off.