Anisotropic polymer film

Details Anisotropic polymer film Anisotropic polymer film

2005-10-11

2005-10-11

Huff, Mark F. (Department: 1756)

Stock material or miscellaneous articles

Liquid crystal optical display having layer of specified...

With viewing layer of specified composition

C252S299010, C428S001100, C349S180000

Reexamination Certificate

active

06953611

ABSTRACT:
An anisotropic polymer film comprising a polymeriZed chiral liquid crystal material with helically twisted structure and having areas with different helical twist sense is useful for decorative or security applications.

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