Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yoshihisa Ohta0
Shigeo Shimizu0
Date of Patent
October 17, 2006
Patent Application Number
10424728
Date Filed
April 29, 2003
Patent Primary Examiner
Patent abstract
To provide a liquid crystal aligning agent which can provide a liquid crystal display element having a liquid crystal alignment film provided with alignability for liquid crystal molecules by rubbing without fail and having excellent liquid crystal alignability. The liquid crystal aligning agent comprises at least one selected from a polyamic acid having a specific structure having 2 or 3 rings, and an imidized polymer of the polyamic acid and further having alkyl group having the main chain with 8 or more carbon atoms, perfluoroalkyl group having the main chain with 3 or more carbon atoms, or 1,1-cycloalkylene group having 6 or more carbon atoms which may be substituted.
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