Merck Patent Gmbh

Peter Le Masurier

Owain Llyr Parri

Mark Andrew Verrall

David Coates

Tara Cutler

Stephan Derow

The invention relates to an optical compensator for liquid crystal displays comprising

Optical compensator and liquid crystal display l

The invention relates to an optical compensator for liquid crystal displays comprising: at least one O plate retarder ('), and at least one twisted A plate retarder (&#x2032;) with a twist angle &#x3c6; of more than 90&#xb0;, and further relates to a liquid crystal display comprising such a compensator, a liquid crystal cell () and polarizers (&#x2032;).

Optical compensator and liquid crystal display I

The invention that relates to an optical compensator for liquid crystal displays comprising: at least one O plate retarder; at least one planar A plate reader; at least one negative C plate retarder; and further relates to a liquid crystal display comprising such a compensator.

Optical compensator and liquid crystal display II

An optical compensator for liquid crystal displays comprising at least one O plate retarder, at least one low tilt A plate retarder, and at least one negative C plate retarder is described. Also described are liquid crystal displays comprising such a compensator.

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Dorset, United Kingdom

Peter Le Masurier