Material for liquid crystal aligning and liquid crystal displays made by using the same

Material for liquid crystal aligning and liquid crystal displays made by using the same

  • CN 101,231,429 A
  • Filed: 08/28/2003
  • Published: 07/30/2008
  • Est. Priority Date: 08/29/2002
  • Status: Active Application
First Claim
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1. aligning agent for liquid crystal, it be contain be selected from tetracarboxylic dianhydride'"'"'s composition and two amine component reactive polymerics and polyamic acid and make at least a aligning agent for liquid crystal in the polyimide that this polyamic acid dehydration closed-loop forms, it is characterized in that at least a portion of above-mentioned tetracarboxylic dianhydride'"'"'s composition is 1,2,3,4-cyclo-butane tetracarboxylic dianhydride or 1,2,3,4-butane tetracarboxylic acid dianhydride, at least a portion of above-mentioned two amine components are the diamines by general formula (1) expression

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