Liquid crystal devices
AssigneeThe Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and Northern Ireland
InventorIan Alexander Shanks
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Abstract
A liquid crystal device includes a sheet of plastic material having an open pore structure in which a liquid crystal material has been introduced. The liquid crystal material may be dichroic and contain one or more dyes which may be dichroic. The liquid crystal material may be nematic or cholesteric or a mixture of these two or a smectic material. Protective layers of plastic or glass may be arranged to enclose the sheet and the protective layer may carry electrodes. The liquid crystal may be applied to selected portions only of the sheet and the remaining parts of the sheet filled with a non-mesomorphic material.
Claims11
A liquid crystal polarizer device comprising a sheet of plastics material having an open elongated pore structure into which elongated pores a liquid crystal material has been introduced, the size of said pores being slightly larger than the molecular dimensions of said liquid crystal material.
Dependencies are inferred from the claim text.