coloured oil
Homogeneous oil film
water
pixel wall
hydrophobic
insulator
transparent
electrode
white
substrate
coloured oil
water
pixel wall
hydrophobic
insulator
transparent
electrode
white
substrate
OIL PUSHED ASIDE
coloured oil
Homogeneous oil film
water
pixel wall
hydrophobic
insulator
transparent
electrode
white
substrate
coloured oil
water
pixel wall
hydrophobic
insulator
transparent
electrode
white
substrate
OIL PUSHED ASIDE