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Vertically aligned liquid crystal display device having an optimized viewing angle

  • US 7,760,299 B2
  • Filed: 02/09/2006
  • Issued: 07/20/2010
  • Est. Priority Date: 07/12/2002
  • Status: Active Grant
First Claim
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1. A display device of a reflective type, the display device comprising:

  • a first substrate comprising a color filter array panel;

    a second substrate comprising a TFT array panel, the second substrate positioned parallel to the first substrate;

    a liquid crystal layer interposed between the first and second substrates;

    a single compensation film coupled only to the first substrate;

    a polarization film coupled to the compensation film; and

    a reverse dispersion phase difference film located between the compensation film and the polarization film,wherein the compensation film has refractive indices nx, ny, and nz that satisfy the relation nx=ny>

    nz.

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