Forming an electrowetting module having a hydrophilic grid

  • US 7,763,314 B2
  • Filed: 01/29/2008
  • Issued: 07/27/2010
  • Est. Priority Date: 01/29/2008
  • Status: Active Grant
First Claim
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1. A method of forming a matrix of electrowetting pixels, comprising:

  • patterning a base material defining a plurality of wells having a bottom surface and sidewalls;

    forming a hydrophobic material on the bottom surface;

    applying a beam upon the sidewalls at an angle to form a hydrophilic material on the sidewalls; and

    disposing first and second fluids within the wells, the second fluid insoluble in the first fluid.

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