Liquid crystal alignment agent, liquid crystal alignment film manufactured using the same, and liquid crystal display device including the liquid crystal alignment film
US8470412B2 · kind B2 · utility
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9Claims
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Key dates
| Filing date | Sep 21, 2011 |
| Grant date | Jun 25, 2013 |
| Priority date | — |
| Expiry date | Dec 29, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31725
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Disclosed is a liquid crystal alignment agent that includes a polymer comprising polyamic acid including a repeating unit represented by the following Chemical Formula 1, polyimide including a repeating unit represented by the following Chemical Formula 2, or a combination thereof.In Chemical Formulae 1 and 2, X1, X2, Y1 and Y2 are the same in the detailed description.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.