Patent ID: 8885243

Claim:
An electrowetting display device comprising: a first substrate; a second substrate facing the first substrate; a first electrode disposed on the first substrate; a second electrode disposed on the second substrate so as to face the first electrode; a plurality of partition walls disposed between the first and second electrodes, wherein the plurality of partition walls define a receiving area; a hydrophobic layer disposed on the first electrode; a hydrophilic layer disposed on the second electrode; a plurality of first openings through the hydrophilic layer; a plurality of second openings through the second electrode, wherein the plurality of second openings are substantially aligned with the first openings; a plurality of third openings through the hydrophilic layer along the plurality of partition walls, wherein the plurality of third openings accommodate upper portions of the plurality of partition walls; and first and second fluids accommodated in the receiving area and immiscible with each other, at least one of the first fluid and the second fluid having a polarity.