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Multi-domain vertical alignment liquid crystal displays with improved angular dependent gamma curves

  • US 7,605,897 B2
  • Filed: 07/20/2007
  • Issued: 10/20/2009
  • Est. Priority Date: 07/20/2007
  • Status: Expired due to Fees
First Claim
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1. A multi-domain vertical alignment liquid crystal display panel comprising:

  • a first substrate;

    a second substrate having an insulating layer on an interior surface facing the first substrate and a passivation layer on the insulating layer;

    an over-coating layer formed on at least a portion of one of the first substrate and the passivation layer;

    a common electrode disposed on one of the first substrate and the over-coating layer on the first substrate;

    a pixel electrode formed on the passivation layer when the over-coating layer is formed on the first substrate and when the over-coating layer is formed on the portion of the passivation layer, the pixel electrode formed on a remaining portion of the passivation layer adjacent to the over-coating layer and covering the over-coating layer;

    a plurality of common and pixel domain guides formed respectively in the common electrode and the pixel electrode, the common domain guides nonaligned with the pixel domain guides;

    an electric shield formed over the corresponding one of the common electrode and pixel electrode adjacent to the over-coating layer;

    a vertically aligned liquid crystal layer sandwiched between the first and second substrates; and

    a drive circuit connected with the common electrode and the pixel electrode for applying a voltage to generate an electric field between the first substrate and the second substrate to control a liquid crystal molecule orientation corresponding to a positioning of the plurality of common and pixel domain guides and plurality of electric shields to form a multi-domain vertical aligned liquid crystal display panel.

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