×

Electro-convective diffractive device

  • US 20040263772A1
  • Filed: 06/27/2003
  • Published: 12/30/2004
  • Est. Priority Date: 06/27/2003
  • Status: Active Grant
First Claim
Patent Images

1. A tunable diffraction grating comprising:

  • a cell with a first cell wall spaced from a second cell wall;

    electrodes disposed on facing surfaces of the first and second cell walls; and

    an array of nematic liquid crystal convective rolls, wherein said convective rolls are arranged periodically in a space between said first cell wall and said second cell wall; and

    a polymeric network stabilizing said array of nematic liquid crystal convective rolls.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×