Liquid crystal composite layer of the dispersion type, method fo

Details Liquid crystal composite layer of the dispersion type, method fo Liquid crystal composite layer of the dispersion type, method fo

1993-06-10

1996-06-04

Ahmad, Nasser

Stock material or miscellaneous articles

Liquid crystal optical display having layer of specified...

With charge transferring layer of specified composition

25229901, 25229964, 25229965, 25229966, 25229967, C09K 1952

Patent

active

055231276

ABSTRACT:
The present invention relates to a liquid crystal composite layer of the polymer dispersion type wherein a liquid crystal material comprising compounds of formulae (1) and (2) is dispersed in a matrix polymer; wherein formula (1) is: ##STR1## wherein A.sub.1 and A.sub.2 each represent independently a benzene ring, cyclohexane ring, pyrimidine ring or trans-1,3-dioxane ring;

REFERENCES:
patent: 5013476 (1991-05-01), Boller
patent: 5124183 (1992-06-01), Nakano
patent: 5401437 (1995-03-01), Im

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