Liquid crystal alignment solution

Details Liquid crystal alignment solution Liquid crystal alignment solution

2011-03-29

2011-03-29

Wu, Shean C (Department: 1722)

Stock material or miscellaneous articles

Liquid crystal optical display having layer of specified...

Alignment layer of specified composition

C428S001250, C428S001260, C252S299400

Reexamination Certificate

active

07914863

ABSTRACT:
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 T1, T2, T3and T4are each independently a tetravalent residue of a tetracarboxylic acid dianhydride; D1, D2, D3and D4are 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.

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