Patent ID: 9651771
Date: 2017-05-16
CPC Classifications: G02B,Y10T

Claim:
1. A method of providing a first fluid layer of a first fluid and a second fluid layer of a second fluid, the first fluid immiscible with the second fluid, the method comprising: providing an emulsion of the first fluid and the second fluid through a medium which does not comprise the second fluid, the emulsion comprising an amount of the second fluid for forming the second fluid layer; the emulsion contacting a first area of a support plate for an electrowetting device, the first area having a higher wettability for the first fluid than for the second fluid; and the first fluid of the emulsion coalescing to form the first fluid layer on the first area such that the first fluid layer is formed less than: 20 minutes, 1 hour, 3 hours or 6 hours after the emulsion contacting the first area of the support plate.