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Reflective and transflective liquid crystal display using a wire grid polarizer

  • US 6,977,702 B2
  • Filed: 05/02/2003
  • Issued: 12/20/2005
  • Est. Priority Date: 05/07/2002
  • Status: Expired due to Fees
First Claim
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1. A device for single cell gap reflective and transflective liquid crystal displays comprising:

  • (a) a single cell gap liquid crystal display (LCD) having reflective pixels and transmissive pixels;

    (b) a wire grid polarizer (WGP) solely covering the reflective pixels;

    (c) ambient light means reflecting off the reflective pixels; and

    ,(d) means allowing back light passing through the transmissive pixels,whereby the cell gap LCD achieves high contrast ratios without using phase retardation films.

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