Patent ID: 9453997
Filing Date: 2016-09-27
CPC Classification: G02B,G09G,Y10T

Claim Text:
1. An electrowetting display device comprising: a first support plate; a second support plate; and a seal arranged to bond the first support plate and the second support plate together, thereby providing a perimeter of a sealed chamber between the first support plate and the second support plate, the sealed chamber comprising a first fluid and a second fluid immiscible with the first fluid, the second support plate having a surface in contact with at least the second fluid, the second support plate comprising a first protrusion at least partly surrounding the seal to at least partly constrain outward movement of the seal, which outward movement is in an outwards direction away from a centre of the surface, the first protrusion comprising a first protrusion transverse channel crossing the first protrusion in a direction parallel to a plane of the second support plate.