Cross-linking agent compound, liquid crystal alignment composition comprising the same, method of preparing liquid crystal alignment film, and liquid crystal alignment film and liquid crystal display using the same
US11781071B2 · kind B2 · utility
0Cited by
5References
13Claims
0Family size
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Key dates
| Filing date | Nov 11, 2019 |
| Grant date | Oct 10, 2023 |
| Priority date | — |
| Expiry date | Jun 26, 2041 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/55
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to a cross-linking agent compound of which end functional group is substituted with a protection group of a specific structure, a liquid crystal alignment composition comprising the cross-linking agent compound and polymer containing repeat units of polyimide or a precursor thereof, a method of preparing liquid crystal alignment film, a liquid crystal alignment film, and a liquid crystal display using the same.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.