US2014046042A1PendingUtilityA1

Liquid-crystalline coating fluid and polarizing film

Assignee: NITTO DENKO CORPPriority: Nov 9, 2009Filed: Oct 22, 2013Published: Feb 13, 2014

Est. expiryNov 9, 2029(~3.3 yrs left)· nominal 20-yr term from priority

Inventors:Hisanari Onouchi Shoichi Matsuda Sadahiro Nakanishi Tadayuki Kameyama

G02B 5/30C09K 19/24C09K 19/60C09B 31/025C09B 31/068G02B 5/3016C09B 31/08G02B 1/08C09K 19/601C09B 31/057

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Claims

Abstract

A liquid-crystalline coating fluid which comprises: an azo compound represented by the following general formula (1); and a solvent to dissolve the azo compound: wherein R is an amino group, a cyano group, a hydroxyl group, a nitro group, a halogen group or a hydrogen atom; and M is a counterion.

Claims

exact text as granted — not AI-modified

What is claimed is: 
     
         1 . A polarizing film obtained by casting a liquid-crystalline coating fluid in a thin film state, the liquid-crystalline coating fluid comprising:
 an azo compound represented by the following general formula (1); and   a solvent to dissolve the azo compound:   
       
         
           
           
               
               
           
         
       
       wherein R is an amino group, a cyano group, a hydroxyl group, a nitro group, a halogen group or a hydrogen atom; and M is a counterion.

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