Liquid crystal alignment agent composition, method for preparing liquid crystal alignment film using same, and liquid crystal alignment film and liquid crystal display using same
US11149204B2 · kind B2 · utility
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2References
14Claims
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Key dates
| Filing date | Apr 17, 2019 |
| Grant date | Oct 19, 2021 |
| Priority date | — |
| Expiry date | Apr 17, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/133711
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Provided is a liquid crystal alignment agent composition comprising a terminal modifier compound containing an amino group together with a polyimide containing an acid anhydride group at its terminus or a precursor polymer thereof, a method for preparing a liquid crystal alignment film using the same, and a liquid crystal alignment film and a liquid crystal display using the same.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.