申请人:Lai Ming-Chih
公开号:US20090194737A1
公开(公告)日:2009-08-06
A liquid crystal alignment solution is provided. The liquid crystal alignment solution includes a first polyimide-polyamide acid and a second polyimide-polyamide acid. The first polyimide-polyamide acid is represented by formula (A),
and the second polyimide-polyamide acid is represented by formula (B),
in which T
1
, T
2
, T
3
and T
4
are each independently a tetravalent residue of a tetracarboxylic acid dianhydride; D
1
, D
2
, D
3
and D
4
are each independently a divalent residue of a diamine; and m, n, p and q are each independently an positive integer,
wherein m/(m+n)≦0.5 and p/(p+q)≧0.5.