Liquid crystal alignment solution
US7914863B2 · kind B2 · utility
1Cited by
5References
8Claims
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Key dates
| Filing date | Jan 21, 2009 |
| Grant date | Mar 29, 2011 |
| Priority date | — |
| Expiry date | Feb 26, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/133723
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
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, T3 and T4 are each independently a tetravalent residue of a tetracarboxylic acid dianhydride; D1, D2, D3 and D4 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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.