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Display device based on frustrated total internal reflection

  • US 6,961,167 B2
  • Filed: 06/04/2002
  • Issued: 11/01/2005
  • Est. Priority Date: 06/05/2001
  • Status: Expired due to Fees
First Claim
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1. A display device comprising a substantially transparent substrate having a substantially flat surface and a substantially prismatic surface facing said flat surface, said display device comprising a reservoir at the location of a pixel, which reservoir contains at least two substantially immiscible fluids having a different refractive index or a different absorption coefficient, and a difference of electric conductivity, said display device also comprising drive means for displacing the fluids with respect to each other.

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