Liquid crystal device having a resin wall using different resins

Details Liquid crystal device having a resin wall using different resins Liquid crystal device having a resin wall using different resins

1998-05-01

2000-10-10

Parker, Kenneth

Liquid crystal cells, elements and systems

Particular structure

Having significant detail of cell structure only

349 90, G02F 11333, G02F 11339

Patent

active

061307386

ABSTRACT:
A liquid crystal device that includes a pair of substrates and a composite layer disposed between the substrates. The composite layer has a liquid crystal phase of a liquid crystal material and a resin phase of a resin. The liquid crystal device is made such that the resin phase comprises a resin wall structure which does not contain a substantial amount of the liquid crystal material. To enhance contrast and viewing angle, the resin phase has a rough surface which is sufficient to disarrange an orientation of molecules of the liquid crystal material. The invention is further directed to a method of manufacturing a liquid crystal device, which includes the steps of defining a mixing ratio of two kinds of resin raw materials that have different contact angles, mixing these kinds of resin raw materials, mixing the mixed raw material with a liquid crystal material, and separating the mixed material from the liquid crystal material. In a preferred embodiment the resulting resin phase would have a contact angle with respect to the liquid crystal material in the range of 11.degree. to 15.degree..

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