Mechanical stress mitigation in electrowetting display structures

摘要

The subject matter disclosed herein relates to an electrowetting display comprising: a dielectric barrier layer formed on a substrate; a hydrophobic layer formed on the dielectric barrier layer, wherein the dielectric barrier layer maintains a separation between the hydrophobic layer and the substrate; a patterned pixel grid formed on the hydrophobic layer, wherein the patterned pixel grid comprises rows and columns of pixel walls that form field pixels and border pixels; an oil film overlying the hydrophobic layer, wherein the oil film is partitioned by the patterned pixel grid; and an electrolyte overlying the oil film and the patterned pixel grid, wherein one or more of the rows or the columns of pixel walls of the patterned pixel grid includes a substantially nonlinear-shaped portion to reduce sheer stress between the patterned pixel grid and the hydrophobic layer.

主权项

1. An electrowetting display comprising:
a hydrophobic layer; an array of pixels formed on the hydrophobic layer, wherein the array of pixels comprises rows and columns of pixel walls that partition individual pixels of the array of pixels, and wherein the pixel walls include a portion configured to reduce an impact of sheer stress between the pixel walls and the hydrophobic layer on the position of the array of pixels; an oil film overlying the hydrophobic layer; and an electrolyte overlying the oil film and the array of pixels.