Liquid crystal orientation agent, liquid crystal display element, poly-amic acid, polyimide and compound

Liquid crystal orientation agent, liquid crystal display element, poly-amic acid, polyimide and compound

  • CN 101,570,635 A
  • Filed: 04/24/2009
  • Published: 11/04/2009
  • Est. Priority Date: 04/30/2008
  • Status: Active Application
First Claim
Patent Images

1. , a kind of liquid crystal aligning agent, it is characterized in that comprising at least a polymkeric substance in the group that is selected from polyamic acid and the polyimide formation that this polyamic acid dehydration closed-loop is formed, this polyamic acid is made with the diamine reactant of the compound that contains following formula (A) expression by the tetracarboxylic dianhydride

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