Improved liquid crystal light valves using internal, fixed...

G - Physics – 02 – F

Patent

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G02F 1/1339 (2006.01)

Patent

CA 2132751

An improved liquid crystal display cell (34) comprising two substrates (108, 124) spaced apart and containing a quantity of liquid crystal mixture (18) therebetween, in which the substrates have facing surfaces (108', 124') coated with a continuous, electrically conducting material (38, 36), is provided with an array of spacer pads (40) at a pre-selected distance apart from each other, having a pre-selected height to maintain a given spacing between the substrates, and having a pre-selected cross-section that avoids substantial interference with the display properties of the liquid crystal display cell.

Une cellule d'affichage à cristaux liquides (34) améliorée comportant deux substrats (108, 124) espacés et contenant une quantité d'un mélange (18) de cristaux liquides, ces substrats possédant des surfaces opposées (108', 124') revêtues d'un matériau électroconducteur, continu (38, 36), est pourvue d'un ensemble de plots d'espacement (40) situés à une distance présélectionnée et écartés les uns des autres, et qui ont une hauteur présélectionnée afin de maintenir un espace donné entre les substrats, ainsi qu'une section transversale présélectionnée qui évite une légère interférence avec les propriétés d'affichage de la cellule d'affichage à cristaux liquides.

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