Structurally ordered articles, fabrication method and applicatio

Details Structurally ordered articles, fabrication method and applicatio Structurally ordered articles, fabrication method and applicatio

1998-09-11

2000-08-22

Kelly, C. H.

Compositions

Light transmission modifying compositions

25229901, 428 11, C09K 1952, C09K 1900, F21V 900

Patent

active

061067431

ABSTRACT:
A structure and apparatus is described which utilizes the intrinsic self-assembling or aligning process of liquid crystal (LC) molecules to form an ordered structure, such as a structure having nematic or cholesteric ordering. The invention includes subtracting a constituent from a structure that includes a liquid crystal, to form a `mold` or polymer matrix on a molecular level. By adding and/or subtracting materials to or from the mold, a liquid crystal-like structure may be obtained. This structure includes all or at least some non-LC material, while exhibiting some LC characteristic. The liquid crystal-like structure overcomes the drawbacks of LCs such as temperature sensitivity and mechanical instability.

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Hikmet, R.A.M. and Zwerver, B.H. [Cholesteric gels formed by LC molecules and their use in optical storage,] Liquid Crystals, 13, 561(1993), pp. 561-570.

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