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Liquid crystal display device using holographic diffuser

  • US 7,336,329 B2
  • Filed: 11/06/2002
  • Issued: 02/26/2008
  • Est. Priority Date: 11/08/2001
  • Status: Expired due to Term
First Claim
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1. A liquid crystal display device, comprising:

  • a liquid crystal cell;

    a first polarizer;

    a second polarizer;

    a backlight under the first polarizer; and

    a holographic diffuser over the liquid crystal cell, the holographic diffuser including a spacer and a diffusing layer over the spacer, wherein the spacer includes an open portion and a topography of a lower surface of the diffusing layer includes a holographic pattern.

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