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Reflective displays

  • US 3,960,438 A
  • Filed: 12/01/1972
  • Issued: 06/01/1976
  • Est. Priority Date: 12/01/1972
  • Status: Expired due to Term
First Claim
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1. A reflective display utilizing ambient light and having a wide angle of view, the reflective display comprising:

  • an optical medium having an electrically controllable optical property,electrode means for applying an electric field to selected regions of the optical medium to vary the electrically controllable optical property of the selected regions, anddiffuse reflector means positioned proximate one surface of the optical medium, the diffuse reflector means comprising a roughened surface and a thin reflective metal layer deposited on the roughened surface.

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