Polymerizable dichroic azo dyes

Details Polymerizable dichroic azo dyes Polymerizable dichroic azo dyes

2004-03-23

2011-11-08

Wu, Shean (Department: 1722)

Stock material or miscellaneous articles

Liquid crystal optical display having layer of specified...

C428S001200, C428S001310, C252S299100, C252S299680, C534S610000, C534S612000, C526S259000, C528S363000, C544S245000, C544S246000, C546S112000, C546S277100

Reexamination Certificate

active

08053039

ABSTRACT:
The present invention is directed towards polymerizable dichroic azo dyes comprising azo-chromophores having at least one standard mesogenic ring system attached to said chromophores and at least one polymerizable group leading to dyes having sufficient solubilty and a very high order parameter.

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