Alignment film composition, liquid crystal display device, and method of manufacturing liquid crystal display device
US10557084B2 · kind B2 · utility
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20Claims
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Key dates
| Filing date | Jan 6, 2017 |
| Grant date | Feb 11, 2020 |
| Priority date | — |
| Expiry date | Jan 28, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/133397
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
An alignment film composition includes a copolymer of a dianhydride-based compound and a diamine-based compound, and a cross-linker. The copolymer has a structure represented by Chemical Formula Ia or Chemical Formula Ib, and the cross-linker is represented by Chemical Formula IIa or Chemical Formula IIb:
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.